Entries |
Document | Title | Date |
20080221459 | RESPIRATORY-BASED CONTROL OF MEDICAL PROCEDURE - A medical system ( | 09-11-2008 |
20080221460 | Methodology and display instrument to noninvasively determine pulmonary characteristics through breath analysis and arterial blood measurement - Disclosed are a method for determining respiratory characteristics of lung-pulmonary circulation system by respiratory blood gas and blood gas data, and a displaying instrument for the same. More particularly, the present invention describes a method for determining respiratory characteristics of the lung-pulmonary circulation system by using respiratory blood gas and blood gas data and a display instrument for the same, so that the present invention provides partial O | 09-11-2008 |
20080262360 | USING RESPIRATION DISTRESS MANIFESTATIONS FOR HEART FAILURE DETECTION - Systems and methods for diagnosing one or more respiration distress manifestations by implantably recognizing their occurrence and evaluating information about the same to provide an indication of present or impending worsening heart failure are discussed. Using information produced by an implantable respiration sensor circuit and an implantable physiological sensor circuit, such as at least one of a physical activity sensor circuit or a posture sensor circuit, an implantable or external processor circuit may detect a respiration disturbance and an associated subsequent arousal from stable state occurrence and thereafter evaluate over time arousal from stable state occurrences to provide the indication of present or impending worsening heart failure. In one example, information about a fluid level within a subject is used in determining the indication of worsening heart failure. In various examples, a regimen is initiated or adjusted in response to the indication of present or impending worsening heart failure. | 10-23-2008 |
20080275349 | MONITORING, PREDICTING AND TREATING CLINICAL EPISODES - Apparatus ( | 11-06-2008 |
20080312541 | Daytime/nighttime respiration rate monitoring - A device and method can monitor or trend a patient's respiration rate measurements according to the time of day. The device, which may be implantable or external, collects and classifies respiration rate measurements over time. The trended information about particular classes of respiration rate measurements is then communicated to a remote external device, which in turn provides an indication of heart failure decompensation. Examples of classes of respiration rate measurements include a daily maximum respiration rate value, a daily minimum respiration rate value, a daily maximum respiration rate variability value, a daily minimum respiration rate variability value, and a daily central respiration rate value. These respiration rate measurements can be further classified into daytime or nighttime respiration rate measurements. | 12-18-2008 |
20080319326 | SYSTEM, SOFTWARE, AND METHOD FOR DETECTION OF SLEEP-DISORDERED BREATHING USING AN ELTROCARDIOGRAM - A system to form and store an electrocardiogram (ECG) signal derived from a cardiac electrical signal that includes an apparatus having a pair of the electrodes to connect to a patient to detect the cardiac electrical signal. A signal sampler samples the cardiac electrical signal to form the ECG signal. A data storage device stores the ECG signal. A computer communicates with the data storage device to retrieve the ECG signal for analysis by software stored in the memory of the computer. The software analyzes a morphology of the amplitude of a plurality of R-wave peaks contained within the ECG signal and/or analyzes a morphology of the area of a plurality of QRS complex pulses contained within the ECG signal. | 12-25-2008 |
20090012408 | GARMENT FOR BIOINFORMATION MEASUREMENT HAVING ELECTRODE, BIOINFORMTION MEASUREMENT SYSTEM AND BIOINFORMATION MEASUREMENT DEVICE, AND DEVICE CONTROL METHOD - The present invention provides a garment for measuring biological information, a biological information measurement system, a biological information measurement device and a method of controlling thereof capable of measuring biological information with accuracy regardless of variations of the constitution of each examinee. When an examinee wears a biological information measurement shirt | 01-08-2009 |
20090043212 | MONITORING SYSTEM FOR CARDIAC SURGICAL OPERATIONS WITH CARDIOPULMONARY BYPASS - A monitoring system for cardiac operations with cardiopulmonary bypass comprising: a processor operatively connected to a heart-lung machine; a pump flow detecting device connected to a pump of the heart-lung machine to continuously measure the pump flow value and send it to the processor; a hematocrit reading device inserted inside the arterial or venous line of the heart-lung machine to continuously measure the blood hematocrit value and to send it to the processor; a data input device to allow the operator to manually input data regarding the arterial oxygen saturation and the arterial oxygen tension; computing means integrated in the processor to compute the oxygen delivery value on the basis of the measured pump flow, the measured hematocrit value, the preset value of arterial oxygen saturation, and the preset value of arterial oxygen tension; and a display connected to the processor to display in real-time the computed oxygen delivery value. | 02-12-2009 |
20090054792 | HEARTBEAT/RESPIRATION SENSOR AND BODY MONITOR EMPLOYING SAME - Heartbeat/respiration sensor | 02-26-2009 |
20090076397 | Adherent Emergency Patient Monitor - An adherent device comprises an adhesive patch to adhere to a skin of the patient. At least two electrodes are connected to the patch and capable of electrically coupling to the patient. Electrocardiogram circuitry can be coupled to at the least two electrodes to measure an electrocardiogram signal of the patient. An accelerometer can be mechanically coupled to the adhesive patch to generate an accelerometer signal in response to at least one of an activity or a position of the patient. A processor comprising a tangible medium can be configured to communicate with the electrocardiogram circuitry and the accelerometer to generate an alarm signal in response to the electrocardiogram signal and the accelerometer signal. | 03-19-2009 |
20090099462 | APPARATUS AND METHOD FOR MONITORING HEART RATE VARIABILITY - A wrist-worn or arm band worn heart rate variability monitor is provided. Heart rate variability (“HRV”) refers to the variability of the time interval between heartbeats and is a reflection of an individual's current health status. Over time, an individual may use the results of HRV tests to monitor either improvement or deterioration of specific health issues. Thus, one use of the HRV test is as a medical motivator. When an individual has a poor HRV result, it is an indicator that they should consult their physician and make appropriate changes where applicable to improve their health. If an individual's HRV results deviate significantly from their normal HRV, they may be motivated to consult their physician. In addition, the inventive monitor is capable of monitoring the stages of sleep by changes in the heart rate variability and can record the sleep (or rest) sessions with the resulting data accessible by the user or other interested parties. Alternate embodiments of the invention allow assistance in the diagnosis and monitoring of various cardiovascular and sleep breathing disorders and/or conditions. Other embodiments allow communication with internal devices such as defibrillators or drug delivery mechanisms. Still other embodiments analyze HRV data to assist the user in avoiding sleep. | 04-16-2009 |
20090118626 | Calculating Respiration Parameters Using Impedance Plethysmography - A method of determining a value for a respiration parameter in a test subject can include capturing—using a fully implanted system that includes a wireless transmitter and at least a first lead wire having a first electrode disposed thereon and a second lead wire having a second electrode disposed thereon—information indicative of an impedance measure between the first and second electrodes and across a thoracic region of the test subject; wirelessly transmitting, from the implanted system and to external equipment, the captured information; and determining a respiration parameter of the test subject based on the captured information. The at least first and second lead wires can be positioned in the test subject subcutaneously and external of any cranial, thoracic, abdominal and pelvic cavities of the test subject | 05-07-2009 |
20090131803 | A SLEEP MONITORING SYSTEM - A sleep monitoring system includes an ECG device ( | 05-21-2009 |
20090137911 | Electrode Positioning - In a method and device for positioning a linear array of electrodes mounted on a distal end section of an elongated flexible member in a patient's respiratory airways at the level of the patient's diaphragm, a length of the elongated flexible member pre-determined to position the linear array of electrodes at the level of the patient's diaphragm is inserted through the patient's respiratory airways. Signals representative of an electrical activity of the patient's diaphragm (EAdi) are detected through the electrodes of the linear array, a presence or absence of ECG signal components is detected in the EAdi signals, and the position of the linear array of electrodes in the patient's respiratory airways is detected in response to the presence or absence of the ECG signal components in the EAdi signals. Also, lower esophageal sphincter activity may be detected in the EAdi signals, and the position of the linear array of electrodes in the patient's respiratory airways determined in response to the detected lower esophageal sphincter. Finally, an end-expiratory occlusion of the patient's respiratory airways may be performed to verify that the electrical activity of the diaphragm coincides with a negative deflection of the patient's respiratory airways pressure again in view of determining adequate positioning of the linear array of electrodes. | 05-28-2009 |
20090156945 | MONITORING RESPIRATORY VARIATION OF PULSE PRESSURE - A monitoring device may include a display, an input device to receive patient-related data, and logic. The logic may determine the pulse pressure of the patient based on the patient-related data, calculate a respiratory variation of the pulse pressure of the patient, and generate a first value based on the respiratory variation of the pulse pressure of the patient and a mean pulse pressure of the patient. The logic may also output the first value to the display. The logic may update the first value in a continuous, real-time or near real-time manner. | 06-18-2009 |
20090171221 | System apparatus for monitoring heart and lung functions - A system for monitoring heart and lung functions comprises an audio signal sensing unit, an audio signal processing unit, an electrocardiogram signal sensing unit, an electrocardiogram signal processing unit, and a microprocessor unit. The audio signal sensing unit senses audio signals, including a heart sound and a lung sound. The audio signal processing unit is connected to the audio signal sensing unit and processes the audio signals to obtain the heart sound and the lung sound. The electrocardiogram signal sensing unit senses an electrocardiogram signal. The electrocardiogram signal processing unit is connected to the electrocardiogram signal sensing unit and processes the electrocardiogram signal. The microprocessor unit is connected to the audio signal processing unit, the electrocardiogram signal processing unit and a computer host, and processes the heart sound, the lung sound and the electrocardiogram signal to be data that can be identified by the computer host. | 07-02-2009 |
20090198139 | Daytime/nighttime respiration rate monitoring - A device and method can monitor or trend a patient's respiration rate measurements according to the time of day. The device, which may be implantable or external, collects and classifies respiration rate measurements over time. The trended information about particular classes of respiration rate measurements is then communicated to a remote external device, which in turn provides an indication of heart failure decompensation. Examples of classes of respiration rate measurements include a daily maximum respiration rate value, a daily minimum respiration rate value, a daily maximum respiration rate variability value, a daily minimum respiration rate variability value, and a daily central respiration rate value. These respiration rate measurements can be further classified into daytime or nighttime respiration rate measurements. | 08-06-2009 |
20090292215 | SLEEP QUALITY INDICATORS - A method for diagnosis includes acquiring a physiological signal from a patient ( | 11-26-2009 |
20090312649 | NIGHT RESPIRATION RATE FOR HEART FAILURE MONITORING - The invention refers to a monitoring device for monitoring and analyzing physiological signals. The monitoring device comprises a transthoracic impedance measurement unit and an evaluation unit connected to the transthoracic impedance measurement unit. The transthoracic impedance measurement unit is adapted to conduct a transthoracic impedance measurement and to generate a transthoracic impedance signal representing a measured transthoracic impedance at consecutive points in time. The evaluation unit being configured to process the transthoracic impedance signal received from the transthoracic impedance measurement unit and to thus generate a respiration signal and to generate therefrom an evaluation signal reflecting at least a diurnal pattern of the respiration rate. | 12-17-2009 |
20090326387 | Electrocardiogram and Respiration Monitoring in Animals - An ambulatory animal monitoring system includes a wearable structure constructed to be worn about a body of a non-human animal to be monitored. The system includes a plurality of electrical signal conduits each associated with the wearable structure and each connectable to a different one of a plurality of surface electrode components. The system includes processing and control device adapted to be worn with the wearable structure, the processing and control device comprising a) an ECG monitoring component and b) an impedance level monitoring component that generates data indicative of electrical impedance levels of the animal over time. | 12-31-2009 |
20090326388 | Systems And Methods For Processing Signals With Repetitive Features - The present disclosure relates to systems and methods for detecting features of a signal. According to embodiments, by transposing segments of a signal, such as segments representing pulses in a PPG signal, such that they are stacked next to each other, various characteristics about the signal may be discerned such as information about repetitive features of the signal. According to an embodiment, from a PPG signal respiration information may be determined about individual breaths, blood pressure changes may be determined, and information about other physiological parameters affecting the PPG signal may be determined. | 12-31-2009 |
20100030085 | SYSTEM FOR MONITORING AND ANALYSING CARDIORESPIRATORY SIGNALS AND SNORING - Extraction of components of the a signal captured by an accelerometer, obtaining information about physiological data such as cardiac, respiratory and snoring activity. The extracted signal components are useful for the diagnosis of different types of abnormal respiratory phenomena during sleep (apneas, hypopneas and respiratory efforts associated to micro-arousals). | 02-04-2010 |
20100036264 | DEVICE FOR COLLECTING PHYSIOLOGICAL INFORMATION OF AN ANIMAL, AND CORRESPONDING METHOD - The device comprises:—a tight test enclosure ( | 02-11-2010 |
20100056929 | Syncope Logbook and Method of Using Same - Methods and systems are directed to acquiring and organizing information associated with at least one syncope event. A syncope event may be a suspected syncope event, a verified syncope event or a syncope event that is suspected and verified. Automated processes are used to collect information associated with at least one syncope event and organize the information as a syncope log entry. At least one of acquiring the information and organizing the information is performed at least in part implantably. | 03-04-2010 |
20100069761 | Method For Determining Hemodynamic Effects Of Positive Pressure Ventilation - The present disclosure relates, in some embodiments, to devices, systems, and/or methods for collecting, processing, and/or displaying stroke volume and/or cardiac output data. For example, a device for assessing changes in cardiac output and/or stroke volume of a subject receiving airway support may comprise a processor; an airway sensor in communication with the processor, wherein the airway sensor is configured and arranged to sense pressure in the subject's airway, lungs, and/or intrapleural space over time; a blood volume sensor in communication with the processor, wherein the blood volume sensor is configured and arranged to sense pulsatile volume of blood in a tissue of the subject over time; and a display configured and arranged to display a representative of an airway pressure, a pulsatile blood volume, a photoplethysmogram, a photoplethysmogram ratio, the determined cardiac output and/or stroke volume, or combinations thereof. A method of assessing changes in cardiac output or stroke volume of a subject receiving airway support from a breathing assistance system may comprise sensing pressure in the subject's airway as a function of time, sensing pulsatile volume of blood in a tissue of the subject as a function of time, producing a photoplethysmogram from the sensed pulsatile volume, determining the ratio of the amplitude of the photoplethysmogram during inhalation to the amplitude of the photoplethysmogram during exhalation, and determining the change in cardiac output or stroke volume of the subject using the determined ratio. | 03-18-2010 |
20100069762 | System And Method For Assessing Sleep Quality - An assessment of sleep quality and sleep disordered breathing is determined from cardiopulmonary coupling between two physiological data series. An R-R interval series is derived from an electrocardiogram (ECG) signal. The normal beats from the R-R interval series are extracted to produce a normal-to-normal interval series. The amplitude variations in the QRS complex are used to extract a surrogate respiration signal (i.e., ECG-derived respiration) associated with the NN interval series. The two series are corrected to remove outliers, and resampled. The cross-spectral power and coherence of the two resampled signals are calculated over a plurality of coherence windows. For each coherence window, the product of the coherence and cross-spectral power is used to calculate coherent cross-power. Using the appropriate thresholds for the coherent cross-power, the proportion of sleep spent in CAP, non-CAP, and wake and/or REM are determined. Coherent cross-power can be applied to differentiate obstructive from non-obstructive disease, and admixtures of the same. | 03-18-2010 |
20100076322 | METHOD AND APPARATUS FOR DETERMINING A RESPIRATION PARAMETER IN A MEDICAL DEVICE - A method of determining a respiration parameter in a medical device in which pressure signals are sensed to generate corresponding sample points, and a breath detection threshold is continuously adjusted in response to the generated sample points to generate a current adjusted breath detection threshold. A current generated sample point is compared to the current adjusted breath detection threshold, and the continuous adjusting of the breath detection threshold is suspended and the breath detection threshold is equal to the most current adjusted breath detection threshold generated prior to the suspending in response to the comparing. A next sample point, generated subsequent to the suspending, is compared to the set breath detection threshold, and the respiration parameter is determined in response to the comparing of a next sample point to the set breath detection threshold. | 03-25-2010 |
20100076323 | METHOD AND APPARATUS FOR DETERMINING A RESPIRATION PARAMETER IN A MEDICAL DEVICE - An apparatus for determining a respiration parameter in a medical device in which a pressure sensor senses pressure signals, and a signal processor, coupled to the pressure sensor, receives the sensed pressure signals and generates corresponding sample points. A microprocessor continuously adjusts a breath detection threshold in response to the generated sample points to generate a current adjusted breath detection threshold, compares a current generated sample point to the current adjusted breath detection threshold, suspends the continuous adjusting of the breath detection threshold and sets the breath detection threshold equal to the most current adjusted breath detection threshold generated prior to the suspending, and determines the respiration parameter in response to a comparing of a next generated sample point to the set breath detection threshold | 03-25-2010 |
20100076324 | METHOD AND APPARATUS FOR DETECTING RESPIRATORY EFFORT IN A MEDICAL DEVICE - A medical device for determining a respiratory effort having a pressure sensor to sense pressure signals, a housing having system components positioned therein, and a microprocessor positioned within the housing, wherein the microprocessor detects an inspiration and an expiration in response to the pressure signals, detects a breath in response to the detected inspiration and the detected expiration, and determines the respiratory effort in response to the detected breath. | 03-25-2010 |
20100076325 | METHOD AND APPARATUS FOR DETERMINING RESPIRATORY EFFORT IN A MEDICAL DEVICE - A method of determining respiratory effort in a medical device in which pressure signals are sensed to generate corresponding sample points, an inspiration and an expiration are detected in response to the sensed pressure signals, a breath is detected in response to the detected inspiration and the detected expiration, and the respiratory effort is determined in response to the detected breath. | 03-25-2010 |
20100081943 | Detecting Sleep Events Using Localized Blood Pressure Changes - Techniques for detecting sleep events are disclosed. In some embodiments, a continuous non-invasive blood pressure (“CNIBP”) monitoring system may be used to obtain blood pressure values from a subject during a sleep study. Changes in the blood pressure over time may be determined and analyzed in order to identify a sleep event. The localized blood pressure changes may be interpreted in isolation or in combination with other signals collected from the subject. | 04-01-2010 |
20100094139 | SYSTEM AND METHOD FOR OBTAINING PHYSIOLOGICAL DATA OF A PATIENT - The present invention relates to a system ( | 04-15-2010 |
20100106027 | DEVICE FOR DETECTION AND ANALYSIS OF VITAL PARAMETERS OF THE BODY, SUCH AS, IN PARTICULAR, PULSE AND RESPIRATION - The present invention relates to a device for detecting and analyzing vital parameters, particularly the pulse and respiration. A metal plate ( | 04-29-2010 |
20100130873 | NON-CONTACT PHYSIOLOGIC MOTION SENSORS AND METHODS FOR USE - A radar-based physiological motion sensor is disclosed. Doppler-shifted signals can be extracted from the signals received by the sensor. The Doppler-shifted signals can be digitized and processed subsequently to extract information related to the cardiopulmonary motion in one or more subjects. The information can include respiratory rates, heart rates, waveforms due to respiratory and cardiac activity, direction of arrival, abnormal or paradoxical breathing, etc. In various embodiments, the extracted information can be displayed on a display. | 05-27-2010 |
20100137723 | APNEA TYPE DETERMINING APPARATUS AND METHOD - An apnea classification system provides for apnea monitoring and differentiation based on several sleep apnea related parameters for diagnostic and therapeutic purposes. Monitoring of such sleep apnea related parameters allows the apnea classification system to differentiate among the different types of apnea. This information may then be used to determine the best method of therapy, or adjust current therapy parameters to more effectively treat a subject. | 06-03-2010 |
20100145201 | METHOD FOR MEASURING CENTRAL VENOUS PRESSURE OR RESPIRATORY EFFORT - Photoplethysmography (PPG) is obtained using one red (e.g., 660 nm) and one infrared (e.g., 880 to 940 nm) light emitting diode with a single photo diode in combination with a pressure transducer thereby allowing both CVP and SpO2 to be measured simultaneously. The system also includes sensors capable of measuring position, angle and/or movement of the sensor or patient. Once the PPG signal is acquired, high pass adaptive and/or notch filtering can be used with one element of the filter from the red and infrared signals used to measure the arterial changes needed to compute SpO2 and the other element of the signal can be used to measure CVP changes. | 06-10-2010 |
20100174198 | APPARATUS FOR MONITORING VITAL SIGNS HAVING FLUID BLADDER BENEATH PADDING - A sleeping monitoring system includes a first padding layer. A fluid bladder is beneath the first padding layer. A sensor is in fluid communication with the fluid bladder. The sensor is configured to output a vital sign signal. | 07-08-2010 |
20100174199 | APPARATUS FOR MONITORING VITAL SIGNS OF AN EMERGENCY VICTIM - A portable apparatus for monitoring on site near an emergency field at least one vital sign of a patient reclined thereon includes a fluid bladder transformable between a stowable arrangement and a deployed arrangement. The fluid bladder in the deployed arrangement has a comfortable top surface of sufficient size to fully support at least a torso of the patient in a reclined position, and the fluid bladder has a ruggedized puncture resistant bottom layer. A sensor is configured to detect a pressure within the fluid bladder. A controller is configured to determine the at least one vital sign based on the pressure within the fluid bladder. A triage condition indicator is configured to indicate a care urgency level based on the at least one vital sign. | 07-08-2010 |
20100174200 | METHODS AND DEVICES FOR RELIEVING STRESS - Easy to use, cost-effective methods and devices for evaluating and treating stress and thereby disorders caused or exacerbated by stress are provided. More particularly methods and devices for identifying RSA waves during respiration which provide a subject with near real-time RSA wave information are provided. This information can be used in biofeedback settings to assist subjects in reducing levels of stress by achieving rhythmic breathing patterns. | 07-08-2010 |
20100179438 | SYSTEM AND METHOD FOR MONITORING CARDIORESPIRATORY PARAMETERS - An apparatus, system, and method is disclosed for monitoring the motion, breathing, heart rate of humans in a convenient and low-cost fashion, and for deriving and displaying useful measurements of cardiorespiratory performance from the measured signals. The motion, breathing, and heart rate signals are obtained through a processing applied to a raw signal obtained in a non-contact fashion, typically using a radio-frequency sensor. Processing into separate cardiac and respiratory components is described. The heart rate can be determined by using either spectral or time-domain processing. The respiratory rate can be calculated using spectral analysis. Processing to derive the heart rate, respiratory sinus arrhythmia, or a ventilatory threshold parameter using the system is described. The sensor, processing, and display can be incorporated in a single device which can be worn or held close to the body while exercising (e.g., in a wristwatch or mobile phone configuration), or alternately placed in a fixed piece of exercise equipment at some distance form the body (e.g., in a treadmill dash panel), and may also be integrated with other sensors, such as position locators. | 07-15-2010 |
20100185102 | MOVEMENT DETECTION DURING RADIATION TREATMENT USING A RADAR SYSTEM - The present embodiments relate to irradiating a patient with an irradiation source directed onto the patient, as well as with a radar system for detecting the position of the patient or a part of the patient during the irradiation. | 07-22-2010 |
20100191127 | METHOD AND SYSTEM FOR ESTIMATING EXERCISE CAPACITY - A method of estimating exercise capacity of a subject is disclosed. The method uses output radiofrequency signals transmitted to the subject during exercise and input radiofrequency signals received from the subject during exercise. The method comprises: determining a phase shift of the input radiofrequency signals relative to the output radiofrequency signals; calculating cardiac output based on the phase shift; and using the cardiac output for estimating the exercise capacity of the subject. | 07-29-2010 |
20100191128 | Volume Status Monitor: Peripheral Venous Pressure, Hypervolemia and Coherence Analysis - Systems and methods are provided for monitoring changes in blood volume using waveforms in the peripheral vasculature. In particular, the systems and methods relate to detecting ventilation-induced variation (VIV) of waveforms in the peripheral vasculature. Advantageously, the systems and methods may relate to analyzing VIV in peripheral venous pressure (PVP). Thus, the VIV of PVP may be measured, wherein decreased VIV is indicative of decreased blood volume In exemplary embodiments, such as involving spontaneous breathing, it may be necessary to account for changes in respiratory signal strength. Thus systems and methods are also provided for assessing coherence between ventilation and VIV for a flow or pressure waveform. Specifically, coherence is evaluated by comparing the waveform to a detected respiratory signal. Finally, systems and method are provided for distinguishing the impact of respiration on the PG signal during hypervolemia as compared to hypovolemia. Such systems and methods may advantageously be utilized to monitor fluid status during fluid replacement. | 07-29-2010 |
20100198083 | Random Body Movement Cancellation for Non-Contact Vital Sign Detection - A method and system for cancelling body movement effect for non-contact vital sign detection is described. The method begins with sending on a first electromagnetic wave transceiver a first electromagnetic signal with a first frequency to a first side of a body, such as a person or animal. Simultaneously using a second electromagnetic wave transceiver a second electromagnetic signal is sent with a second frequency to a second side of a body, wherein the first frequency and the second frequency are different frequencies. A first reflected electromagnetic signal reflected back in response to the first electromagnetic wave on the first transceiver is received and a first baseband complex signal is extracted. Likewise a second reflected electromagnetic signal reflected back in response to the second electromagnetic wave on the second transceiver is received and a second baseband complex signal is extracted. The first baseband complex signal is mathematically combined with the second baseband complex signal to cancel out a Doppler frequency drift therebetween to yield a periodic Doppler phase effect. | 08-05-2010 |
20100198084 | SENSOR COMPRISING A MATERIAL WHICH GENERATES AN ELECTRICAL SIGNAL IN RESPONSE TO ELONGATION - The present invention relates to a sensor comprising a material which generates an electrical signal in response to elongation. More particularly, the present invention is directed to an apparatus for measuring a length or volume change, which comprises a sensor comprising a piezoelectric material which generates an electrical signal in response to elongation. | 08-05-2010 |
20100204586 | Detecting Sleep Disorders Using Heart Activity - Systems, methods, apparatus, and computer program products for detecting the existence of a sleep disorder in an individual using heart activity. In one aspect, machine-implemented methods include the actions of analyzing a machine-readable heart rate series of a monitored individual in the time domain using one or more digital data processing devices, detecting a cyclic variation in heart rate in the heart rate series as a result of the analysis in the time domain, and outputting, over an output, a report characterizing a sleep disorder event based on the detection of the cyclic variation in heart rate in the heart rate series. The cyclic variation in heart rate is indicative of a sleep disorder. | 08-12-2010 |
20100204587 | Wavelength Division Sensing Method and Apparatus for Doppler Radar Vital Sign Monitoring and Mechanical Vibration Monitoring - Embodiments of the present invention provide a method and a radar system incorporating multiple carrier wavelengths. A multi-carrier radar method and system according to the present invention can be used to realize sensing of complex pattern vibrations using a wavelength division sensing technique. | 08-12-2010 |
20100210953 | System and method for heart and activity monitoring - A system and method determining physiological status of a patient. A determination is made whether the patient is sleeping. The amplitude and change in voltage over time of any intramyocardial electrogram is measured for a right ventricle and a left ventricle of a heart of the patient for a predefined number of heartbeats at a specified time interval in response to determining the patient is asleep. The measurements are averaged for the right ventricle and left ventricle. The averaged measurements are transmitted to a receiver for communication to an intended recipient. | 08-19-2010 |
20100217133 | ELECTROCARDIOGRAM DERIVED APNOEA/HYPOPNEA INDEX - The present invention provides a method and apparatus for determining the occurrence of apnoeas or hypopneas from ECG signal data alone. The method is carried out by apparatus configured to acquire ECG signals from a sleeping subject, transform the signals to data, and extract ECG features relevant to estimate breathing effort for the determination of respiratory events characteristic of apnoeas and hypopneas. The extracted ECG features are correlates of breathing efforts and are used as surrogate measures of breathing or respiratory events. The method may include calculating an AHI or apnoea/hypopnea index. The method may classify apnoeas into obstructive or central apnoeas. | 08-26-2010 |
20100222685 | MACRO-CONTROL OF TREATMENT FOR SLEEP DISORDERED BREATHING - A method and apparatus for treating sleep disordered breathing. An arousal index is determined for use in an outer loop of a control algorithm, the arousal index being a measure of the frequency of sleep arousals. The respiratory airflow signal in an inner loop of the control algorithm is monitored to detect an airway obstruction. If the arousal index is high, then the sensitivity of obstruction detection and/or the aggressiveness of the treatment is increased, and if the arousal index is low, then the sensitivity of the obstruction detection and/or the aggressiveness of the treatment is decreased | 09-02-2010 |
20100228133 | System and Method for Generating a Trend Parameter Based on Respiration Rate Distribution - Systems and methods provide for assessing the heart failure status of a patient and, more particularly, to generating a trend parameter based on a distribution of the patient's respiration rate. Systems and methods provide for detecting, using an implantable device or a patient-external device, patient respiration and computing a respiration rate based on the detected patient respiration. A distribution of the respiration rate is calculated, and a trend parameter based on the respiration rate distribution is generated. The trend parameter is indicative of a patient's heart failure status. An output signal indicative of the patient's heart failure status may be generated based on the trend parameter. | 09-09-2010 |
20100228134 | METHOD, DEVICE AND COMPUTER PROGRAM PRODUCT FOR MONITORING THE PHYSIOLOGICAL STATE OF A PERSON - The invention relates to a method, device, and computer program product for monitoring the physiological state of a person. In the method, the heartbeat of the person is detected in order to obtain a pulse signal, and at least one parameter depicting the respiration of the person is determined in the time domain with the aid of time stamps made of the basis of the pulse signal. With the aid of the method, it is possible to calculate an estimate of the person's energy consumption during exercise, without complicated calculations or preliminary data based on measurements. | 09-09-2010 |
20100234741 | SYSTEM AND METHOD FOR DETECTING SLEEPINESS - The present invention relates to a drowsiness detection method. A heartbeat signal and a breathing signal are detected by exploiting together a scheme and an optical system scheme. The detected signals are applied to respective amplification units, noise signals are eliminated from the detected signals, and noise-free signals are amplified. The amplified signals are applied to a central processing unit, signal processing is processed on the signals, and processed signals are combined. The combined signal is counted, and a warning sound, voice message or vibration is output in a case where a value, obtained by subtracting a counted output value monitored one minute before a current time, from a counted output value monitored two minutes before the current time, falls within a detection range and where, with a passage of time, the value falling within the detection range is successively detected from two to ten times. | 09-16-2010 |
20100241009 | Systems and Methods for Detecting Movement of a Target - A system is disclosed for wirelessly detecting movement of a target. The system comprises a reference oscillator, a transmitter, a receiver, a demodulator, and a processor, wherein: the reference oscillator generates references frequencies for the transmitter, the receiver, and the demodulator; the transmitter generates a continuous-wave signal at a frequency based on the transmitter reference frequency and wirelessly transmits it to the target; the receiver wirelessly receives a reflected signal from the target having a phase angle corresponding to movement of the target and converts the reflected signal into an intermediate frequency signal based on the receiver reference frequency; the demodulator demodulates the intermediate frequency signal into an in-phase component and a quadrature component; and the processor converts the in-phase component and the quadrature component into a movement signal corresponding to movement of the target. | 09-23-2010 |
20100241010 | Complex Signal Demodulation and Angular Demodulation for Non-contact Vital Sign Detection - Methods for recovering a detected signal in non-contact vital sign detection are provided. According to one embodiment, a detected reflected signal from a non-contact vital sign detection system can be received and provided along I channel and Q channel signal lines. A complex signal S(t) can then be reconstructed from the I channel and Q channel signal lines through complex signal demodulation. A Fourier transform can be used to obtain the detected signal's spectrum for spectrum analysis. Angular demodulation can be used to recover the information corresponding to original body movement. The complex signal demodulation and angular demodulation techniques used to provide information to determine original body movement are capable of avoiding the null detection point without limitations on frequency tuning or channel selection. | 09-23-2010 |
20100249611 | Respiratory Signal Processing Method - This Invention relates to a respiratory signal processing method, including the following steps: A. Obtain the respiratory physiological signals by means of a specific respiratory circuit, AD collects and obtains the respiratory digital signals and applies the data preprocessing to such signals; B. Convert frequency spectrum of the preprocessed respiratory signals and obtain the distribution of their frequency domain; C. Judge whether there is asphyxia in accordance with the properties of respiratory signal's physiological parameters; D. Introduce the physiological parameters of heart activities and analyze frequency spectrum distribution of respiratory signals and judge whether there is any interference from heart activities; E. Analyze the spectral energy envelop of respiratory waveform and find out the correct spectral peak, and then convert the frequency point corresponding to the spectral peak to the respiratory rate so as to obtain the value of current respiratory rate by integrating with the previous values of respiratory rate. The processing methods under this Invention can maximize the accuracy of results of respiratory rate and improve the stability of such result remarkably. | 09-30-2010 |
20100268093 | METHOD AND SYSTEM TO MEASURE ECG AND RESPIRATION - A method for monitoring the respiration rate of a patient includes attaching a plurality of electrocardiogram (ECG) electrodes and a pressure sensor to a patient, producing a first respiration signal based on variations detected in signals provided by the ECG electrodes attached to the patient, and producing a second respiration signal based on pressure variations detected in the pressure sensor secured to the patient. The method also includes selecting at least one of the first respiration signal and the second respiration signal based on respective signal qualities and producing a respiration rate from the selected signal. The method also includes providing indicia of the respiration rate. The method may also include displaying ECG signals with the indicia of the respiration rate. | 10-21-2010 |
20100268094 | Consumer electronic camera photoplethysmograph - A body part is placed on or near a consumer electronic device camera. The camera senses periodic light variations. A program analyses variations in images captured by the digital camera to determine pulse rate or breathing rate. | 10-21-2010 |
20100268095 | SYSTEM AND METHOD FOR PREDICTING PATIENT HEALTH WITHIN A PATIENT MANAGEMENT SYSTEM - Systems and Methods for predicting patient health and patient relative well-being within a patient management system are disclosed. A preferred embodiment utilizes an implantable medical device comprising an analysis component and a sensing component further comprising a three-dimensional accelerometer, a transthoracic impedance sensor, a cardio-activity sensor, an oxygen saturation sensor and a blood glucose sensor. Some embodiments of a system disclosed herein also can be configured as an Advanced Patient Management System that helps better monitor, predict and manage chronic diseases. | 10-21-2010 |
20100280394 | MEDICAL DEVICE FOR ATRIAL FIBRILLATION PREDICTION - In a device and a method for providing correlated measures for predicting potential occurrence of atrial fibrillation, an impedance of the patient is measured to obtain impedance information; cardiogenic data is determined from the information; respiratory data is determined from the information; at least one hemodynamic measure is calculated from the cardiogenic data and at least one apnea measure is calculated from the respiratory data; the hemodynamic and apnea measures are correlated such that the correlated measures can be utilized for predicting potential occurrence of atrial fibrillation. | 11-04-2010 |
20100286533 | Biosignal-detecting apparatus and method thereof - A method of detecting a biosignal includes; measuring a biosignal from a user; band pass filtering the biosignal to each of a first frequency band and/or a second frequency band, and detecting a first frequency band signal and/or a second frequency band signal; calculating a PSD of the first frequency band signal and detecting a frequency band signal with a maximum PSD in the first frequency band as a heartbeat signal of the user; and calculating a PSD of the second frequency band signal and/or detecting a frequency band signal with a maximum PSD in the second frequency band as a respiration signal of the user. | 11-11-2010 |
20100286534 | METHODS AND SYSTEMS FOR ASSESSING METABOLIC TRANSITION POINTS - The invention relates to methods and systems for determining one or more metabolic transition points in a subject during a work task. The methods and systems comprise determining the respiration rate (RR) and heart rate (HR) in the subject that is undergoing a work task and calculating the ratio of RR/HR at more than one time point during the work task. The metabolic transition points are identifiable points in time of the RR/HR ratio in the subject that is undergoing a work task. | 11-11-2010 |
20100298718 | Multiple Mode, Portable Patient Monitoring System - The specification discloses a number of embodiments directed to patient monitoring systems. The system determines a physiological parameter of a patient and includes an input device for receiving a plurality of physical inputs from a user, such as finger taps, and communicating to a memory interval data indicative of the frequency at which the plurality of physical inputs are received from the user within a time period and a processor in data communication with said memory wherein said processor determines at least one physiological parameter of a patient based upon said interval data. | 11-25-2010 |
20100324427 | SYSTEM AND KIT FOR STRESS AND RELAXATION MANAGEMENT - This invention relates to a system and a kit for stress and relaxation management. A cardiac activity sensor ( | 12-23-2010 |
20110004108 | SYSTEM AND METHOD FOR MONITORING CARDIAC OUTPUT - A method for monitoring cardiac output (pulmonary blood flow) of a subject, the method including: measuring a first net pulmonary uptake or elimination of a breathed gas species by the subject and a first partial pressure of the gas species at a first time, and at a second time later than the first time, determining a first pulmonary blood flow of the patient at the first time, and determining a pulmonary blood flow of the subject at the second time on the basis of the first pulmonary blood flow, the first net pulmonary uptake or elimination, the second net pulmonary uptake or elimination, the first partial pressure, and the second partial pressure. | 01-06-2011 |
20110009753 | Respiration Rate Trending for Detecting Early Onset of Worsening Heart Failure - Patient respiration is sensed from which respiration measurements are made, including a median respiration rate (MedRR) and a maximum respiration rate (MaxRR). Determinations are made as to whether an abnormality exists in MedRR and in MaxRR. An output indicative of the patient's tachypnea status is generated in response to determining the abnormality in MedRR and MaxRR. | 01-13-2011 |
20110021928 | METHODS AND SYSTEM OF DETERMINING CARDIO-RESPIRATORY PARAMETERS - Embodiments of the present invention provide noninvasive methods and systems of determining and monitoring an individual's respiration pattern, respiration rate, other cardio-respiratory parameters or variations thereof. | 01-27-2011 |
20110034811 | METHOD AND SYSTEM FOR SLEEP/WAKE CONDITION ESTIMATION - Insomnia is a prevalent sleep disturbance in the general population. As standard diagnostic method for assessing the nature and the severity of the sleep problem, a so-called sleep log or sleep diary, i.e. a questionnaire usually on paper, is used in most cases. The main drawback of this diagnostic tool is that its accuracy is affected by subjective bias of the patient, e.g. for patients it is often difficult to remember sleep and wake periods during the night correctly. The present invention proposes an automatic sleep log that uses vital body signs as input signals for assessing sleep and wake periods during the night. By using objective data, the diagnosis will be more accurate. Furthermore, this system can also be used to sleep restriction therapy, a non-pharmacological method to treat insomnia. Also in this application it can contribute to patients correctly applying this method and thus leading to a better medical outcome. | 02-10-2011 |
20110066037 | BODY-WORN MONITOR FOR MEASURING RESPIRATION RATE - The invention provides a multi-sensor system that uses an algorithm based on adaptive filtering to monitor a patient's respiratory rate. The system features a first sensor selected from the following group: i) an impedance pneumography sensor featuring at least two electrodes and a processing circuit configured to measure an impedance pneumography signal; ii) an ECG sensor featuring at least two electrodes and an ECG processing circuit configured to measure an ECG signal; and iii) a PPG sensor featuring a light source, photodetector, and PPG processing circuit configured to measure a PPG signal. Each of these sensors measures a time-dependent signal which is sensitive to respiratory rate and, during operation, is processed to determine an initial respiratory rate value. An adaptive digital filter is determined from the initial respiratory rate. The system features a second sensor (e.g. a digital 3-axis accelerometer) that attaches to the patient's torso and measures an ACC signal indicating movement of the chest or abdomen that is also sensitive to respiratory rate. This second signal is processed with the adaptive filter to determine a final value for respiratory rate. | 03-17-2011 |
20110066038 | BODY-WORN MONITOR FOR MEASURING RESPIRATION RATE - The invention provides a multi-sensor system that uses an algorithm based on adaptive filtering to monitor a patient's respiratory rate. The system features a first sensor selected from the following group: i) an impedance pneumography sensor featuring at least two electrodes and a processing circuit configured to measure an impedance pneumography signal; ii) an ECG sensor featuring at least two electrodes and an ECG processing circuit configured to measure an ECG signal; and iii) a PPG sensor featuring a light source, photodetector, and PPG processing circuit configured to measure a PPG signal. Each of these sensors measures a time-dependent signal which is sensitive to respiratory rate and, during operation, is processed to determine an initial respiratory rate value. An adaptive digital filter is determined from the initial respiratory rate. The system features a second sensor (e.g. a digital 3-axis accelerometer) that attaches to the patient's torso and measures an ACC signal indicating movement of the chest or abdomen that is also sensitive to respiratory rate. This second signal is processed with the adaptive filter to determine a final value for respiratory rate. | 03-17-2011 |
20110066039 | BODY-WORN MONITOR FOR MEASURING RESPIRATION RATE - The invention provides a multi-sensor system that uses an algorithm based on adaptive filtering to monitor a patient's respiratory rate. The system features a first sensor selected from the following group: i) an impedance pneumography sensor featuring at least two electrodes and a processing circuit configured to measure an impedance pneumography signal; ii) an ECG sensor featuring at least two electrodes and an ECG processing circuit configured to measure an ECG signal; and iii) a PPG sensor featuring a light source, photodetector, and PPG processing circuit configured to measure a PPG signal. Each of these sensors measures a time-dependent signal which is sensitive to respiratory rate and, during operation, is processed to determine an initial respiratory rate value. An adaptive digital filter is determined from the initial respiratory rate. The system features a second sensor (e.g. a digital 3-axis accelerometer) that attaches to the patient's torso and measures an ACC signal indicating movement of the chest or abdomen that is also sensitive to respiratory rate. This second signal is processed with the adaptive filter to determine a final value for respiratory rate. | 03-17-2011 |
20110066040 | PHYSIOLOGIC PARAMETER MONITORING APPARATUS - A physiologic parameter monitor includes a parameter value determiner that determines a parameter value indicative of a response of a human or animal subject to fluid intake during fluid therapy. The parameter value determiner determines the parameter value based on a signal indicative of a non-invasively obtained state of the subject. The physiologic parameter monitor also includes a display that displays the parameter value in a human readable format. | 03-17-2011 |
20110066041 | MOTION/ACTIVITY, HEART-RATE AND RESPIRATION FROM A SINGLE CHEST-WORN SENSOR, CIRCUITS, DEVICES, PROCESSES AND SYSTEMS - A respiration monitoring device includes an accelerometer ( | 03-17-2011 |
20110066042 | ESTIMATION OF BLOOD FLOW AND HEMODYNAMIC PARAMETERS FROM A SINGLE CHEST-WORN SENSOR, AND OTHER CIRCUITS, DEVICES AND PROCESSES - An electronic monitoring device includes an electronic processor ( | 03-17-2011 |
20110071406 | Determining A Characteristic Respiration Rate - The present disclosure relates to monitoring a characteristic respiration rate of a patient based at least in part on a suitable time period that either precedes or follows a triggering event, such as a clinician/patient interaction, where the triggering event may negatively impact the physiological parameter. In some embodiments, physiological parameter values falling between one or more pre-set thresholds may be used to derive the characteristic physiological parameter. In some embodiments, monitoring the respiration rate may provide additional information about the patient's status. In some embodiments, confidence measures may be associated with, or may be used to analyze features of the patient signal to derive information about, the characteristic respiration rate. The patient signal used to derive a patient's respiration rate may be of an oscillatory nature or may include oscillatory features that may be analyzed to derive a characteristic respiration rate. | 03-24-2011 |
20110087115 | Systems and Methods For Ambulatory Monitoring of Physiological Signs - The present invention relates to the field of ambulatory and non-invasive monitoring of a plurality of physiological parameters of a monitored individual. The invention includes a physiological monitoring apparatus with an improved monitoring apparel, the apparel having sensors for monitoring parameters reflecting pulmonary function and/or parameters reflecting cardiac function and/or parameters reflecting the function of other organ systems. The apparel is preferably also suitable for medical, athletic, and for other uses. The sensors include one or more inductive plethysmographic sensors positioned to monitor at least basic pulmonary parameters, and optionally also basic cardiac parameters. The sensors include one or more ECG sensor electrodes that preferably include a flexible, conductive fabric. The monitoring apparatus also includes an electronic unit for receiving data from the sensors and for storing the data in a computer-readable medium and/or wirelessly transmitted the data. The invention also includes systems for receiving, storing, and processing data generated by one or more physiological monitored apparatuses. | 04-14-2011 |
20110092826 | System and method for measuring ECG and breath signals by using two polar electrodes - A system for measuring ECG and breath signals by using two polar electrodes includes a first polar electrode, a second polar electrode and a breath and ECG signals measuring device. The breath and ECG signals measuring device includes a level regulator, a square wave generator, a breath signal process module and an ECG signal process module. The first and second polar electrodes are attached on the body of a person under test to import square wave signal and receive the first and second measuring signals. The level regulator adjusts the voltage reference of the first and second measuring signals. The breath signal process module and the ECG signal process module process and generate a breath signal and an ECG signal respectively. | 04-21-2011 |
20110105915 | DETECTION AND DIFFERENTIATION OF SLEEP DISORDERED BREATHING - A vector method for monitoring a subject's sleep-disordered breathing utilizing a single, anatomy-attached (anatomically outside or implanted inside), three-orthogonal-axis accelerometer(s), including the steps of (1) collecting from a sleeping subject three-orthogonal-axis data relating to at least one of sound data, subject posture, subject activity, snoring, and respiration, and (2) following such collecting, processing and analyzing collected data to detect associated, disordered breathing including assessing the presence of at least one of (a) sleep-disordered breathing generally, (b) sleep apnea specifically, and (c) differentiation between central and obstructive sleep apnea. Further involved is the acquiring of ECG data, and that the mentioned processing and analyzing include recognition of such acquired ECG data. | 05-05-2011 |
20110130666 | ENHANCED REPORTING OF PATHOLOGICAL EPISODES - An apparatus comprises a sensor circuit configured to produce a time-varying physiologic sensor signal of a subject and a pathology detection circuit communicatively coupled to the sensor. The pathology detection circuit is configured to detect a first pathological episode using the sensed physiologic sensor signal, deem that the first pathological episode has ended, detect at least one second pathological episode using the sensed physiologic sensor signal, and indicate the first and second pathological episodes as one pathological episode if the first and second episode are detected within a specified time interval. | 06-02-2011 |
20110172544 | METHOD FOR CONTINUOUS BAROREFLEX SENSITIVITY MEASUREMENT - A medical device and method for determining baroreflex sensitivity (BRS) based on one or more respiration cycles. The BRS determination may be performed continuously based on measurements of heart rate, blood pressure, and respiration cycles. | 07-14-2011 |
20110190642 | Method of detecting sleep apnea and treatment thereof - A method is presented for evaluating whether an episode of sleep apnea is occurring in a patient suffering from chronic sleep apnea disorder, for delivery of appropriate therapy. The method, performed by an implantable device, includes sensing the patient's EKG signal and using electrical energy generated by the heart to power subsequent signal processing. This signal is applied as the sole input to a differential signal processing circuit for passage through both a high impedance path and a substantially lower impedance path and amplification of the difference in magnitude between the resulting two signals, to determine changes in the patient's thoracic impedance. Based on such changes, the presence or absence of patient ventilation is detected, to enable an assessment of whether an episode of sleep apnea is occurring. An actual episode of sleep apnea is deemed to have occurred if lack of ventilation exceeds a predetermined interval of time between otherwise regular respiratory cycles. If sleep apnea is indicated, the appropriate therapy is delivered by the device to induce ventilation and halt the apnea episode. | 08-04-2011 |
20110196243 | NON-CONTACT DETECTION OF PHYSIOLOGICAL DATA USING STOCHASTIC RESONANCE - Obtaining physiological data from a living being using non-contact sensors is disclosed. The non-contact sensors are disposed within, for example, a vehicle seat or bed. Signals detected by the non-contacting sensors, which include both physiological signals and ambient noise, are transmitted to a processing device which is positioned nearby; such as in the vehicle seat or bed. The processing device employs a stochastic resonance function whereby a signal-to-noise ratio of the physiological signals is improved. A wavelet multi-scale decomposition function and an adaptive threshold function are then used to identify the physiological signals and distinguish them from the ambient noise. The resulting signals are measured and then made available at an output of the processing device for transmission to and use by a human-machine interface. | 08-11-2011 |
20110201945 | HEMODYNAMIC STABILITY DETECTION DURING ARRHYTHMIA USING RESPIRATION SENSOR - Detected changes in respiration parameters, either alone or in conjunction with other physiological signals, can be used to discriminate between hemodynamically stable and hemodynamically unstable tachyarrhythmias. | 08-18-2011 |
20110201946 | REDUCING DATA ACQUISITION, POWER AND PROCESSING FOR HEMODYNAMIC SIGNAL SAMPLING - Methods, systems and devices are provided for reducing the amount of data, processing and/or power required to analyze hemodynamic signals such as photoplethysmography (PPG) signals, pressure signals, and impedance signals. In response to detecting a specific event associated with a cyclical body function, a hemodynamic signal is continuously sampled during a window following the detecting of the specific event, wherein the window is shorter than a cycle associated with the cyclical body function. The hemodynamic signal is then analyzed based on the plurality of samples. This description is not intended to be a complete description of, or limit the scope of, the invention. Other features, aspects, and objects of the invention can be obtained from a review of the specification, the figures, and the claims. | 08-18-2011 |
20110237959 | INDICATOR FOR FLUID RESUSCITATION - A system for providing an indication of cardiovascular function, includes a respiration input ( | 09-29-2011 |
20110257535 | SYSTEM AND A METHOD FOR CARDIAC MONITORING - A system for monitoring a heart of a patient, the system includes: (i) a physiological data input interface, operative for receiving signals indicative of cardiac activity of the patient; (ii) a processor configured to process the signals to provide monitoring results; and (iii) an output interface operative to provide the monitoring results; wherein the monitoring results include information indicative of: (a) a heart rate of the patient during a monitoring period; (b) at least one first time period in which the heart rate of the patient exceeded a first threshold; and (c) at least one second time period in which the heart rate of the patient exceeded both the first threshold and a second threshold. | 10-20-2011 |
20110257536 | METHOD FOR DETECTING HEARTBEAT AND/OR RESPIRATION - A method for detecting heartbeat and/or respiration is provided. The method provided includes receiving a wave signal, and analyzing the received wave signal using a heartbeat and/or respiratory model, thereby providing a result signal indicating whether the received wave signal represents heartbeat and/or respiration. | 10-20-2011 |
20110263987 | RESPIRATION MEASUREMENT BY MEANS OF MORPHOLOGICAL OPERATORS - An implantable medical device that measures respiration parameters based on transthoracic impedance signals, and converts transthoracic impedance signals into a time series of digital values which is filtered with morphological operators to separate the signal into a respiratory component and a cardiac component. Metrics are generated based on the filtered impedance values such as respiratory rate, I/E ratio, tidal volume and minute ventilation. | 10-27-2011 |
20110263988 | SENSING RATE OF CHANGE OF PRESSURE IN THE LEFT VENTRICLE WITH AN IMPLANTED DEVICE - An implantable device and method for monitoring S1 heart sounds with a remotely located accelerometer. The device includes a transducer that converts heart sounds into an electrical signal. A control circuit is coupled to the transducer. The control circuit is configured to receive the electrical signal, identify an S1 heart sound, and to convert the S1 heart sound into electrical information. The control circuit also generates morphological data from the electrical information. The morphological data relates to a hemodynamic metric, such as left ventricular contractility. A housing may enclose the control circuit. The housing defines a volume coextensive with an outer surface of the housing. The transducer is in or on the volume defined by the housing. | 10-27-2011 |
20110270097 | METHOD AND APPARATUS FOR ASSESSMENT OF FLUID RESPONSIVENESS - Disclosed embodiments include a method and related apparatus for determining a physiological parameter from the arterial blood pressure signal, the photoplethysmographic signal, the electrocardiogram, or any other a physiologic signal whose pulse amplitude variation is affected by respiration and it is indicative of fluid status in order to quantify the degree of amplitude modulation due to respiration (pulse variation) and help assess fluid responsiveness. | 11-03-2011 |
20110295127 | Vibro-Acoustic Detection of Cardiac Conditions - Apparatus and methods for vibro-acoustic detection of cardiac conditions are disclosed. An example method includes calculating a frequency difference between a first frequency of a first cardiac signal and a second frequency of a second cardiac signal; calculating an amplitude difference between the first cardiac signal and the second cardiac signal; calculating a root-mean-square value based on a difference between the first cardiac signal and the second cardiac signal; calculating a value based on the frequency difference, the amplitude difference, and the root-mean-square value; and detecting a cardiac condition based on the value. | 12-01-2011 |
20120010514 | BIOLOGICAL PARAMETER MONITORING METHOD, COMPUTER-READABLE STORAGE MEDIUM AND BIOLOGICAL PARAMETER MONITORING DEVICE - A method for monitoring a biological parameter out of either the heartbeat and/or respiratory signal of an occupant on a member of a seat or bed. The member supports at least one sensor capable of detecting variation of pressure due to contact, and at least one accelerometer is connected to the member. A model of a transfer function between at least one signal from one accelerometer out of either the accelerometer and/or at least one accelerometer at the input and a signal from a sensor out of either the sensor and/or a plurality of sensors at the output is made, a noise value is estimated using this model, and the estimated noise value is removed from the signal from the sensor. | 01-12-2012 |
20120016247 | BIOLOGICAL PARAMETER MONITORING METHOD, COMPUTER-READABLE STORAGE MEDIUM AND BIOLOGICAL PARAMETER MONITORING DEVICE - A method for monitoring a biological parameter out of either the heartbeat and/or respiratory signal of an occupant on a member of a seat or bed. The member supports sensors, receives the signal from each of the group of sensors, inputs the signal into an atom dictionary, selects some sensors according to the input, and performs monitoring using only the selected sensors. Also provided is a computer program including code instructions capable of controlling execution of the method of the invention when the method is executed by a computer. Further provided is a monitoring device for monitoring a biological parameter out of either the heartbeat and/or respiratory signal of an occupant on a member of a set or bed. | 01-19-2012 |
20120029361 | SYSTEMS AND METHODS FOR DETERMINING RESPIRATORY EFFORT - Systems and methods for calculating a measure of respiratory effort of a subject are provided. The measure of respiratory effort may be calculated based on a differential pulse transit time (DPTT) calculated for received photoplethysmograph signals. The systems and methods may allow for the calculation of respiratory effort in absolute units, and without the need for calibrations from a device that measures blood pressure (e.g., a non-invasive blood pressure cuff). | 02-02-2012 |
20120029362 | APNEA TYPE DETERMINING APPARATUS AND METHOD - An apnea classification system provides for apnea monitoring and differentiation based on several sleep apnea related parameters for diagnostic and therapeutic purposes. Monitoring of such sleep apnea related parameters allows the apnea classification system to differentiate among the different types of apnea and hypopnea and to identify an occurrence of periodic respiration. This information may then be used to determine the best method of therapy, or adjust current therapy parameters to more effectively treat a subject. | 02-02-2012 |
20120035486 | DRUG TITRATION UTILIZING AN IMPLANTABLE MEDICAL DEVICE - A method of monitoring patient status is disclosed. Electrical signals are received from one or more implanted sensors of a cardiac rhythm management device. Two or more index values are calculated from the electrical signals. A composite index is determined from the two or more index values, and a status notification associated with the composite index is provided. In a system for monitoring patient status, a processor is configured to receive electrical signals from an implanted cardiac rhythm management device, calculate two or more index values from the electrical signals, and determine a composite index from the two or more index values. The system incorporates a memory that is in communication with the processor and an interface in communication with the processor, where the interface is configured to communicate a status notification associated with the composite index. | 02-09-2012 |
20120046559 | CROSS-CHECKING OF TRANSTHORACIC IMPEDANCE AND ACCELERATION SIGNALS - A first chamber minute ventilation rate is determined based on a first transthoracic impedance signal received from a first chamber of a heart and a second chamber minute ventilation rate is determined based on a second transthoracic impedance signal received from a second chamber of the heart. A processor compares the minute ventilation rates to determine a rate. In one embodiment, an accelerometer sensor provides data for evaluating propriety of a rate. Before implementing a rate change, signals from multiple sensors are cross-checked. | 02-23-2012 |
20120059268 | ULTRA WIDEBAND (UWB) BABY MONITORS FOR DETECTION OF INFANT CARDIOPULMONARY DISTRESS - Ultra wideband patient monitoring systems, and particularly baby monitoring systems, adapted to prevent reflective loss between the antenna and the patient's body. The devices, systems and methods described herein may be used to efficiently couple UWB energy to a patient for patient monitoring. In particular, described herein are impedance transformer pads, mats and the like, upon which a patient may comfortably lie while being monitored via one or more UWB sensors (e.g., antenna); the impedance transformer pads help match the impedance and prevent reflective loss of UWB energy. Also described herein are bassinets, including NICU bassinets and baby monitors. | 03-08-2012 |
20120065524 | MOTION DETERMINATION APPARATUS - The invention relates to a motion determination apparatus for determining motion of a moving object, wherein the motion determination apparatus ( | 03-15-2012 |
20120078122 | SLEEPINESS ASSESSMENT APPARATUS - A sleepiness assessment value P | 03-29-2012 |
20120089032 | METHOD AND SYSTEM FOR DISCRIMINATING AND MONITORING ATRIAL ARRHYTHMIA BASED ON CARDIOGENIC IMPEDANCE - A medical device is provided that comprises a lead assembly. The lead assembly includes at least one intra-cardiac (IC) electrode, an extra-cardiac (EC) electrode and a subcutaneous remote-cardiac (RC) electrode. The IC electrode is configured to be located within the heart. The EC electrode is configured to be positioned proximate to at least one of a superior vena cava (SVC) and a left ventricle (LV) of a heart. The RC electrode is configured to be located remote from the heart. An arrhythmia monitoring module is configured to analyze intra-cardiac electrogram (IEGM) signals from the at least one IC electrode to identify a potential atrial arrhythmia. An extra-cardiac impedance (ECI) module is configured to measure extra-cardiac impedance along an ECI vector between the EC and RC electrodes to obtain ECI measurements. The hemodynamic performance (HDP) assessment module is configured to determine a hemodynamic performance based on the ECI measurements. The arrhythmia monitoring module is configured to declare the potential atrial arrhythmia to be an atrial arrhythmia based on the hemodynamic performance determined from the ECI measurements. The medical device further provides the HDP assessment module that derives a current ECI waveform from current ECI measurements and compares the current ECI pattern with a prior ECI waveform that is derived from prior ECI measurements. | 04-12-2012 |
20120089033 | BIOINFORMATION DETECTING DEVICE - A bioinformation detecting device | 04-12-2012 |
20120101393 | SYSTEM AND METHOD FOR DERIVING RESPIRATION FROM INTRACARDIAC ELECTROGRAMS (EGM) OR ECG SIGNALS - A method and apparatus for monitoring respiration in a patient sense a cardiac electrical signal and detect signal peaks from the cardiac electrical signal. A peak amplitude waveform is generated from the signal peaks. a first derivative of the peak amplitude waveform is computed. Inspiration pulses are derived from the first derivative signal, and a respiration metric can be computed using the inspiration pulses derived from the cardiac electrical signal. | 04-26-2012 |
20120101394 | Personalized Fluid Assessment - A system and method of monitoring the fluid status of a patient. The system may include a patient monitor that receives blood pressure data. A first fluid model receives the blood pressure data, and a personalized fluid model is derived from the application of the blood pressure data to the first fluid model. An estimation of the patient's fluid status may be derived from the personalized fluid model. The method may include the steps of measuring a first blood pressure value, creating a personalized fluid model, measuring a second blood pressure value, applying the second blood pressure value to the personalized fluid model; and deriving an estimation of the fluid status of the patient. | 04-26-2012 |
20120150050 | APPARATUS AND METHOD FOR ESTIMATING STROKE VOLUME OF THE HEART USING BIO-IMPEDANCE TECHNIQUES - A method of estimating stroke volume of the heart is described. In this method, the volume of the heart is estimated from electrical impedance data of the chest, at two different phases of the cardiac cycle. The stroke volume is estimated from the difference between the volumes estimated at the two phases. | 06-14-2012 |
20120157856 | HEART FAILURE DETECTION WITH A SEQUENTIAL CLASSIFIER - A system and method for automatically analyzing heart failure in a patient, including collecting physiological data from a patient using at least a first sensor and a second sensor to collect two or more sensor measurements, and calculating a first composite value based on at least a first sensor measurement wherein the first composite value is an indication of a likelihood that the patient's heart failure status has changed. If the first composite value is outside of a first specified range, then a second composite value is calculated based on at least a second sensor measurement, wherein the second composite value is an indication of a likelihood that the patient's heart failure status has changed. If the second composite value is outside of a second specified range, then an alert of change in heart failure status is generated. | 06-21-2012 |
20120157857 | RESPIRATORY SIGNAL PROCESSING APPARATUS, RESPIRATORY SIGNAL PROCESSING METHOD, AND PROGRAM - A respiratory signal processing apparatus includes a pulse-based component detection unit configured to detect a pulse-based component from a first signal acquired from a living being, and a pulse-based component removal unit configured to remove the detected pulse-based component from a second signal acquired from the living being, the second signal including respiratory sounds. | 06-21-2012 |
20120157858 | MONITORING PROJECTIONS ALONG PRINCIPAL COMPONENTS OF MULTIPLE SENSORS AS AN INDICATOR OF WORSENING HEART FAILURE - A device can include at least a first physiologic sensor circuit configured to provide a first physiologic signal, a second physiologic sensor circuit configured to provide a second physiologic signal, and a processor circuit. The processor circuit includes a principal component analysis circuit configured to represent data determined from the at least first and second physiologic sensor circuits as at least first and second axes, respectively, in a multidimensional space, determine one or more principal components in the multidimensional space, determine a quantitative attribute of the first and the second physiologic signals using at least one of the determined principal components or a projection of the data along the at least one determined principal component, and provide an indication of heart failure status according to the quantitative attribute to at least one of a user or a process. | 06-21-2012 |
20120157859 | DEVICE TO ASSIST IN THE PRACTICE OF A PHYSICAL ACTIVITY SESSION, AND PHYSICAL ACTIVITY APPARATUS PROVIDED WITH SUCH A DEVICE - The invention relates to a device to assist in the practice of a physical activity session by an person. The device has an electronic means for determining the real-time physical effort to be provided by said person during said session, implementing a control law having, as an output, a parameter that corresponds to the physical effort to be provided (EPF) and, as an input, data collected while the force is being applied, essentially comprising: the measurement of the heart rate (FC) of said person; the measurement of the respiratory rate (FR) of said person; and one or more indices (EVA) of strenuousness of the effort as perceived by said person, to be specified by said person during the effort, and in which said control law depends essentially on respective programmed thresholds which should not be exceeded, essentially comprising: the maximum heart rate (FC | 06-21-2012 |
20120157860 | PULSE MEASURING DEVICE AND METHOD - According to an embodiment, a pulse measuring device includes a pulse detecting unit, an amplitude calculating unit, an interval calculating unit, an extracting unit, and a determining unit. The pulse detecting unit is configured to detect a pulse of a subject. The amplitude calculating unit is configured to calculate an amplitude of the pulse. The interval calculating unit is configured to calculate an interval of the pulse. The extracting unit is configured to extract a fluctuation variation component which varies in operative association with breathing of the subject from the interval. The determining unit is configured to determine that an apnea event occurs when the amplitude or the interval is reduced at a first time and the fluctuation variation component is reduced at a second time which is immediately before the first time. | 06-21-2012 |
20120172730 | METHOD AND SYSTEM FOR DETECTING APNEA - Existing monitors for apnea miss many serious events because they do not adequately distinguish the heart signal in chest impedance from the respiratory signal. Described herein is a respiratory monitoring system and method for improved detection and response to apnea, particularly in a NICU setting but also useful in a home setting. This method filters from the chest impedance the part of the impedance that is caused by the beating of the heart in a human subject, and then identifies in real time significant silence in the filtered chest impedance signal, including determining the probability of apnea. If the probability of apnea exceeds a threshold value, the apneic subject can be stimulated using automated interactions such as a vibrating mattress or air blower. | 07-05-2012 |
20120179051 | APPARATUS AND COMPUTER PROGRAM FOR DETERMINING A PATIENT'S VOLEMIC STATUS REPRESENTED BY CARDIOPULMONARY BLOOD VOLUME - An apparatus for determining a patient's volemic status can make use of a physiological heart-lung interaction during spontaneous breathing or mechanical ventilation. Further, a computer program for determining the patient's volemic status has instructions for carrying out the steps of generating data of a physiological heart-lung interaction during spontaneous breathing or mechanical ventilation, and determining the patient's volemic status when making use of the data of the physiological heart-lung interaction, when run on a computer. | 07-12-2012 |
20120184858 | BEAT ALIGNMENT AND SELECTION FOR CARDIAC MAPPING - This invention relates to the determination and/or representation of physiological information relating to a heart surface. | 07-19-2012 |
20120197138 | BIOLOGICAL PARAMETER MONITORING METHOD, COMPUTER-READABLE STORAGE MEDIUM AND BIOLOGICAL PARAMETER MONITORING DEVICE - A method for monitoring a biological parameter out of either the heartbeat and/or respiratory signal of an occupant on a member of a seat or bed, wherein a signal or signals received from one or a plurality of sensors connected to the member and capable of detecting the variation of pressure due to contact are processed by non-linear filtering. For example, the method is mounted on a vehicle and used. Also provided is a computer program including code instructions capable of controlling execution of the method of the invention when the method is executed by a computer. Further provided is a monitoring device for monitoring a biological parameter out of either the heartbeat and/or respiratory signal of an occupant on a member of a seat or bed. | 08-02-2012 |
20120203117 | VITAL SIGNS DETECTING DEVICE AND A METHOD FOR DETECTING VITAL SIGNS - A vital signs detecting device and a method for detecting vital signs are provided. The vital signs detecting device comprises a detection unit; a multimode optical fiber configured to be connected to a light source and to the detection unit; a mechanical structure configured for receiving a pressure exerted by a person's body as a result of one or more of a group consisting of a movement of the person's body, a respiratory action of the person's body and a heart beat action of the person's body and to cause microbending of the multimode optical fiber under the exerted pressure and; wherein the multimode optical fiber is disposed between first and second sets of microbending elements of the mechanical structure substantially in a direction of the exerted pressure. | 08-09-2012 |
20120209128 | METHOD FOR CONTROLLING A SPIROERGOMETRIC SYSTEM AND SPIROERGOMETRIC SYSTEM - Shown and described is a method for controlling and/or regulating a spiroergometry system ( | 08-16-2012 |
20120215116 | METHOD AND APPARATUS FOR ESTIMATING ENERGY CONSUMPTION - The present invention relates to a method and apparatus for estimating the energy consumption of a person on the basis of heart rate data. In the method, the beat rate of heart is measured with a sensor or previously measured heart rate data are input for providing heart rate data and the energy consumption of a person is determined on the basis of heart rate data. According to the invention, a first threshold value is selected for the mass of the person and in case the mass of the person is larger than the first threshold value, energy consumption is calculated using a formula taking into account the deviation of the person's mass from the said first threshold value. The invention allows getting more accurate energy consumption estimates especially for overweight persons. | 08-23-2012 |
20120226168 | DETECTING, ASSESSING AND MANAGING EXTREME SEIZURE EVENTS - Methods, system and apparatus for identifying an extreme epileptic state/event in a patient are provided. In one aspect, at least two seizure events are identified. At least one inter-seizure interval (ISI) value related to the at least two seizure events are determined. The ISI value is compared to at least one reference value. An occurrence of an extreme seizure event is determined based upon the comparison of the determined ISI value to the at least one reference value. In another aspect, a first seizure event is detected. At least one body index affected by the first seizure event is determined. A second seizure event is detected. An occurrence of an extreme seizure event is determined based at least in part in response to a determination that the second seizure event occurred prior to the body index value returning to a reference value. | 09-06-2012 |
20120238886 | SYSTEMS AND METHODS TO INDICATE HEART FAILURE CO-MORBIDITY - Systems and methods to indicate heart failure co-morbidity are described. In an example, one or more physiological signals can be analyzed for a specified time period to determine at least one of an indication of a heart failure event or a characteristic of heart failure co-morbidity, such as a characteristic of a non-heart failure physiological event. At least one of the different physiological signals can be compared to a specified criterion indicative of the heart failure event to provide a comparison value, where the comparison value is indicative of whether the at least one of the different physiological signals contributed towards the indication of the heart failure event. An indication of a non-heart failure physiological event can be determined using the heart failure event indication, the non-heart failure physiological event characteristic, and the comparison value indicative of whether the one or more physiological signals contributed towards the heart failure event. | 09-20-2012 |
20120245475 | Bio-Impedance Sensor and Sensing Method - Implantable medical devices and techniques are implemented that use bio-impedance to measure aspects of patient physiology. A signal separation method is performed at least in part in an implantable device. The method involves detecting a plurality of impedance signals using a plurality of implantable electrodes coupled to the implantable device. The method further involves separating one or more signals from the plurality of impedance signals using a signal separation technique, such as an algorithm-based separation technique. | 09-27-2012 |
20120259233 | AMBULATORY PHYSIOLOGICAL MONITORING WITH REMOTE ANALYSIS - Applicants have disclosed a wireless method for remotely monitoring the physiological status of ambulatory patients by using at least one “cloud” server. Physiological data, including ECG data, is collected by a device worn by a patient and then wirelessly transmitted (e.g., via a cell phone) to the server(s). Remote processing of electrocardiograms (“ECG”) is achieved, in part, by data streaming packet lengths acquired over no less than 3 seconds—3 seconds is typically equivalent to about 3 cardiac cycles (heartbeats)—to provide the quickest response time by clinicians to try to save a heart patient's life. Other types of physiological data are monitored by the device, so medical help can be obtained when needed. In this manner, any sudden onset of vicissitudes in a patient's well being may be detected and transmitted to the care-giver and patient in near real-time. | 10-11-2012 |
20120259234 | METHOD AND DEVICE FOR DETECTING INCIPIENT A-V NODE MALFUNCTION - The present invention generally relates to implantable stimulation devices, such as pacemakers, defibrillators, and cardioverters, and, in particular, to implantable medical devices using atrial based pacing such as an AAI pacing mode and methods for such implantable medical devices for detecting early stages of incipient A-V node malfunction as well as presence of A-V node malfunction. An AV conduction capacity is detected, wherein a sensed ventricular event following an intrinsic or paced atrial event during a predetermined period of time indicates good AV conduction capacity and wherein absence of a ventricular event within the predetermined period of time indicates poor AV conduction capacity. At least one A-V node function parameter indicating a function of the A-V node is determined, wherein the A-V node function parameter includes whether a status of the AV conduction capacity is good or poor. Incipient A-V node malfunction is detected where poor AV conduction capacity indicates incipient A-V node malfunction. | 10-11-2012 |
20120265080 | NON-CONTACT SENSING OF PHYSIOLOGICAL SIGNALS - A non-contact monitoring system can include an electrode configured to detect electrical signals from a surface of a subject's body without directly contacting the surface of the subject's body (e.g., via capacitive coupling). The electrode can be positioned at a spaced apart distance from the subject's body (e.g., ranging up to about 30 cm). The signals from the electrodes can be processed in the analog and digital domain to determine one or more physiological conditions of a subject, such as drowsiness. | 10-18-2012 |
20120271177 | SV/CO TRENDING VIA INTRACARDIAC IMPEDANCE - A patient-specific model can show changes in cardiac stroke volume or cardiac output, such as to predict heart failure or to indicate cardiac remodeling. The patient-specific model can be derived from a surrogate indication of a cardiac stroke volume, such as a physical activity level, and features obtained from a thoracic impedance waveform, such as mean or peak-to-peak impedance values. In an example, several models corresponding to different patient physical activity levels can be determined. | 10-25-2012 |
20120283579 | SYSTEM AND METHOD FOR RECONSTRUCTING CARDIAC ACTIVATION INFORMATION - An example system and method of reconstructing biological activation information are disclosed. A first biological signal and a second biological signal associated with an organ are processed via a computing device to determine whether there is a point of change in a derivative of the first biological signal with respect to a derivative of the second biological signal above a threshold. An activation onset time is assigned in the first biological signal at the point of change to define biological activation associated with the organ in the first cardiac signal if it is determined that the point of change is above the threshold. | 11-08-2012 |
20120296221 | METHOD AND APPARATUS FOR DETERMINING A RESPIRATION SIGNAL - The invention relates to a method and apparatus for determining a respiration of a subject ( | 11-22-2012 |
20120302898 | ACOUSTIC BASED COUGH DETECTION - The present disclosure is directed to the detection of coughs and coughing episodes using acoustic signals. In various examples, an implantable medical device processes an acoustic signal obtained from an acoustic sensor to determine whether a patient has coughed. In some examples, the implantable medical device also performs a cough severity assessment. In some examples, the cough severity assessment may include a determination of the depth of the cough, the duration of the coughing episode, or whether the cough was wet or dry. | 11-29-2012 |
20120302899 | SENSOR AND SENSING METHOD THEREOF - A biosignal measuring sensor and a biosignal measuring method are provided. The biosignal measuring sensor includes an oscillator, a signal detection unit, and a signal processing unit. The amount of oscillation frequency shift of the oscillator is detected as intensity change of a biosignal, and a pulse signal and a respiration signal are detected from the detected biosignal. In the biosignal measuring sensor and the biosignal measuring method, a biosignal is detected in a manner of non-contact with a biosignal measuring target. Moreover, the biosignal may be detected accurately at a close range. | 11-29-2012 |
20120302900 | METHOD AND APPARATUS FOR PROCESSING A CYCLIC PHYSIOLOGICAL SIGNAL - The invention relates to a method and apparatus for processing a cyclic physiological signal ( | 11-29-2012 |
20120310099 | MONITORING OF HEART SOUNDS - A system comprises an implantable medical device (MID) including an implantableimplantabie heart sound sensor circuit configured to produce an electrical heart sound signal representative of a heart sound of a subject and a processor circuit. The processor circuit is coupled to the heart sound sensor circuit and includes a detection circuit, a heart sound feature circuit and a trending circuit. The detection circuit configured to detect a physiologic perturbation and the heart sound feature circuit is configured to identify a heart sound feature in the electrical signal. The processor circuit is configured to trigger the heart sound feature circuit in relation to a detected physiologic perturbation. The trending circuit is configured to trend the heart sound feature in relation to a recurrence of the physiologic perturbation. The processor circuit is configured to declare a change in a physiologic condition of the patient according to the trending. | 12-06-2012 |
20130035602 | MOBILE REMOTE ALCOHOL MONOTORING DEVICE - A monitoring apparatus including an ethanol level sensor; an ECG sensor for generating an ECG circuit for sampling an electrical activity of a heart of a monitored person being monitored; and an air inlet component connected to an air flow sensor; wherein a first electrode is attached to the breath inlet component and wherein the ECG circuit is generated when a monitored person is in electrical contact with the first electrode and the second electrode of the ECG. | 02-07-2013 |
20130041269 | METHOD AND APPARATUS FOR DETERMINATION OF PHYSIOLOGICAL PARAMETERS USING CERVICAL IMPEDANCE - Implanted electrodes can be used to deliver electrical stimulation signals to areas near blood vessels, nerves, or other internal body locations. In an example, an electrode can be implanted in a cervical location and can be used to measure dimensional changes in an artery using impedance plethysmography. Measured artery dimensional changes can be used to determine one or more physiological parameters associated with a patient's health status, such as pulse transit time, relative pulse pressure, or aterial compliance, among others. These parameters can be used to monitor a patient health status or to modulate a patient's therapy, among other uses. In some examples, an electrode configured to deliver an electrostimulation signal to nerve tissue can be used to provide non-neurostimulating electrical stimulation plethysmography signals near a blood vessel. | 02-14-2013 |
20130046189 | METHOD AND IMPLANTABLE MEDICAL SYSTEM FOR MONITORING RESPIRATORY PARAMETERS AND A CORRESPONDING COMPUTER PROGRAM AND A CORRESPONDING COMPUTER-READABLE STORAGE MEDIUM - A method and an implantable medical system for monitoring respiratory parameters, and a corresponding computer program and a corresponding computer-readable storage medium which can be used in particular for monitoring, especially for remote monitoring of the health condition of a patient with cardiac insufficiency that provides an improved method for determining the functional capacity of the cardiovascular system with consideration for stress. | 02-21-2013 |
20130053706 | ADVANCED PATIENT MANAGEMENT WITH COMPOSITE PARAMETER INDICES - Systems, devices and methods for defining, identifying and utilizing composite parameter indices from health-related parameters are disclosed. One aspect is a programmable device having machine executable instructions for performing a method to assist with managing a patient's health. In various embodiments, a first set of at least two health-related parameters is acquired. A first composite parameter is generated using the first set of at least two health-related parameters. Other aspects and embodiments are provided herein. | 02-28-2013 |
20130060149 | METHOD AND APPARATUS FOR MONITORING CARDIAC AND RESPIRATORY CONDITIONS USING ACOUSTIC SOUNDS - A medical device system and associated method discriminate respiratory and cardiac conditions using respiratory sounds. A sensing module acquires a first signal and a second signal, at least the second signal acquired from an acoustic transducer. A processor is configured to receive the first signal and to control the sensing module to acquire the second acoustic signal in response to a change in the first signal. The processor discriminates between a cardiac condition and a respiratory condition as a cause of the change in the first signal in response to the second acoustic signal. | 03-07-2013 |
20130060150 | METHOD AND APPARATUS FOR MONITORING CARDIAC AND RESPIRATORY CONDITIONS USING ACOUSTIC SOUNDS - A medical device system and associated method discriminating conditions that includes a plurality of sensors, a sensing module coupled to the plurality of sensors and configured to acquire signals from the plurality of sensors, and a processor coupled to the sensing module and configured to determine a change in a respiratory related sounds in response to a signal from a sensor of the plurality of sensors, select one or more sensors of the plurality of sensors associated with the determined change, determine a respiratory signature in response to signals from the selected one or more sensors, and determine the respiratory condition in response to the determined respiratory signature. | 03-07-2013 |
20130060151 | METHOD AND APPARATUS FOR MANAGEMENT OF HEART FAILURE HOSPITALIZATION - A hospitalization management system including a heart failure analyzer that receives diagnostic data including at least sensor data representative of one or more physiological signals sensed from a hospitalized patient using one or more sensors and assesses risk of rehospitalization for the patient using the diagnostic data. The outcome of the risk assessment is used during and following the patient's hospitalization for reducing the risk of rehospitalization. | 03-07-2013 |
20130085400 | NON-INVASIVE INTRACRANIAL PRESSURE SYSTEM - Non-invasive intracranial pressure detection and/or monitoring and use of data with respect thereto. Illustratively, with respect to a method, there can be a method to digitally produce and communicate intracranial pressure data from skull deformation electric signals, the method including: receiving, from at least one sensor, detected skull deformation electric signals at electrical equipment configured to transform and process the skull deformation signals that are received; transforming and processing, by the electrical equipment, the received skull deformation electric signals to produce digital intracranial pressure data; and outputting, by the electrical equipment, the digital intracranial pressure data via an output device operably associated with the electrical equipment to render the digital intracranial pressure data. | 04-04-2013 |
20130085401 | METHODS AND APPARATUSES FOR DETECTION OF MYOCARDIAL ISCHEMIA UPON EXERTION - Various method embodiments of the present invention concern sensing patient-internal pressure measurements indicative of physiological exertion, identifying one or more steady state periods of physiological exertion based on the patient-internal pressure measurements, sensing extra-cardiac response data and cardiac response data corresponding to the one or more physiological exertion steady state periods, respectively comparing the extra-cardiac response data and the cardiac response data to extra-cardiac response information and cardiac response information associated with equivalent levels of physiological exertion intensity of the one or more steady state periods, and determining the likelihood that myocardial ischemia occurred during the one or more steady state periods based on the comparison of the extra-cardiac response data to the extra-cardiac response information and the cardiac response data to the cardiac response information. | 04-04-2013 |
20130090565 | METHOD AND APPARATUS FOR MONITORING EXERCISE WITH WIRELESS INTERNET CONNECTIVITY - Methods and apparatuses are provided for a wireless health monitoring system for interactively monitoring fitness or health condition of a user by connecting an internet-enabled wireless web device (“WWD”), such as a mobile phone or tablet, to a health monitoring device which may be a medical device or other device such as an exercise machine. The WWD may be wirelessly connected to the device, such as via an RF connection, including using protocols such as 802.15 or 802.11. The wireless connection may employ an adaptor, to convert proprietary RF schemes to input to a WWD. Alternatively, an adaptor may convert the output of a health monitoring device to a Bluetooth® signal for transmission to a WWD. The data is transmitted from the WWD to an Internet server using standard Internet protocols. The user may interact with the server and with other users equipped with similar apparatus. | 04-11-2013 |
20130096441 | DETECTING, QUANTIFYING, AND/OR CLASSIFYING SEIZURES USING MULTIMODAL DATA - Methods, systems, and apparatus for detecting an epileptic event, for example, a seizure in a patient using a medical device. The determination is performed by providing an autonomic signal indicative of the patient's autonomic activity; providing a neurologic signal indicative of the patient's neurological activity; and detecting an epileptic event based upon the autonomic signal and the neurologic signal. | 04-18-2013 |
20130096442 | MEDICAL EVENT LOGBOOK SYSTEM AND METHOD - An event-based approach to collecting and organizing information associated with events affecting respiration is presented. The detection or prediction of an event affecting the respiration of a patient initiates acquisition of information associated with the event. The respiratory logbook system acquires information associated with the event during the event and during intervals proximate in time to the event. The information is organized as a respiratory log entry. The user can access the information by operating a user interface. The information may be presented in textual or graphical form. | 04-18-2013 |
20130102908 | Air Conduction Sensor and a System and a Method for Monitoring a Health Condition - According to embodiments of the present invention, an air conduction sensor for detecting a sound from a user is provided. The air conduction sensor includes a housing comprising an opening, wherein a rim of the opening is configured to at least substantially attach to a skin or a clothing of the user; a microphone coupled to the housing such that there is an air gap between the microphone and the skin or the clothing, and wherein the microphone is configured to detect the sound. A system and a method for monitoring a health condition of a user are also provided. | 04-25-2013 |
20130116578 | RISK STRATIFICATION BASED HEART FAILURE DETECTION ALGORITHM - A system comprises a risk analysis module and a worsening heart failure (WHF) detection module. The risk analysis module measures at least one first physiological parameter of a subject using a physiological sensor of an ambulatory medical device, and determines a heart failure (HF) risk score for the subject according to the at least one measured first physiological parameter. The HF risk score indicates susceptibility of the subject to experiencing a HF event. The WHF detection module measures at least one second physiological parameter of the subject using the same or different physiological sensor, and generates an indication of prediction that the subject will experience a WHF event when the at least one second physiological parameter satisfies a WHF detection algorithm. The risk analysis module adjusts generation of the indication by the WHF detection algorithm according to the determined HF risk score. | 05-09-2013 |
20130131522 | APNEA TYPE DETERMINING APPARATUS AND METHOD - An apnea classification system provides for apnea monitoring and differentiation based on several sleep apnea related parameters for diagnostic and therapeutic purposes. Monitoring of such sleep apnea related parameters allows the apnea classification system to differentiate among the different types of apnea and hypopnea and to identify an occurrence of periodic respiration. This information may then be used to determine the best method of therapy, or adjust current therapy parameters to more effectively treat a subject. | 05-23-2013 |
20130150734 | INTUITIVE PRESENTATION OF VENTILATION EFFECTIVENESS - Ventilation information may be presented. Output signals may be received that convey information related to one or more breathing parameters of a subject receiving assisted or controlled mechanical ventilation. Based at least in part on the received output signals, volumetric components of a tidal volume of the subject may be determined. The volumetric components may include an alveolar dead space, an effective alveolar tidal volume, and/or other volumetric components. The alveolar dead space is the volume of inspired gas that occupies alveoli but does not take part in oxygen exchange in the lungs of the subject. The effective alveolar tidal volume is the volume of inspired gas that takes part in oxygen exchange in the lungs of the subject. A visual representation that textually or graphically represents the tidal volume, and/or textually or graphically represents the volumetric components separately from each other may be presented via a user interface. | 06-13-2013 |
20130158416 | ADVANCED PATIENT MANAGEMENT FOR DEFINING, IDENTIFYING AND USING PREDETERMINED HEALTH-RELATED EVENTS - Systems, devices and methods for defining, identifying and using health-related significant events are disclosed. One aspect is a programmable device having machine executable instructions for performing a method to assist with managing a patient's health. In various embodiments, at least one previously-defined event is detected based on a number of acquired health-related parameters. The at least one detected event is recorded with an associated time when the at least one detected significant event occurred. An action is triggered based on the at least one detected event. The at least one detected event is displayed with at least one trended health-related parameter in a single display area. Other aspects and embodiments are provided herein. | 06-20-2013 |
20130165799 | BIO-SIGNAL TRANSFER DEVICE, BIO-SIGNAL MONITORING SYSTEM, AND METHOD USING THE SAME - Disclosed is a bio-signal monitoring system which includes a bio-signal transfer device which measures and analyzes a bio-signal and sends the analyzed bio-signal and first identification information; a reception device which includes at least one or more receivers, each receiver transferring information received from the bio-signal transfer device and second identification information; and a monitoring server which analyzes information received from each receiver and judges location and physical condition of a user, wherein the first identification information includes ID of the user and ID of the bio-signal and the second identification information includes ID of the receiver. | 06-27-2013 |
20130172760 | PHOTOPLETHYSMOGRAPHY APPARATUS AND METHOD EMPLOYING HIGH RESOLUTION ESTIMATION OF TIME-FREQUENCY SPECTRA - A photoplethysmography apparatus and method is provided for high resolution estimating of Time-Frequency Spectra (TFS) and associated amplitudes using Variable Frequency Complex Demodulation (VFCDM), in a two-step procedure using a Time-Varying Optimal Parameter Search (TVOPS) technique to obtain TFS, followed by VFCDM to obtain even greater TFS resolution and instantaneous amplitudes associated with only specific frequencies of interest, via the combined TVOPS and VFCDM. | 07-04-2013 |
20130184594 | Apparatus, Systems and Methods Analyzing Pressure and Volume Waveforms in the Vasculature - Apparatus, systems and methods are provided for analyzing relative compliance in the peripheral vasculature. Such apparatus, systems and methods generally involve generating a plethysmograph (PG) signal, generating one or more pressure waveforms and comparing the pressure waveform(s) relative to the PG signal to determine compliance indexes associated particular regions of the vasculature. A relative compliance ratio may also be determined by comparing arterial and venous relative compliance indexes. Apparatus, systems and methods are also provided for analyzing a PG waveform. Such apparatus, systems and methods generally involve generating a plethysmograph (PG) signal and comparing amplitude modulation of the PG signal relative to baseline modulation of the PG signal to estimate a relationship between left ventricular end diastolic pressure and stroke volume. The estimated relationship may account for a phase offset for the time between when changes in venous return affect left ventricular end diastolic pressure and stroke volume. | 07-18-2013 |
20130190631 | APPARATUS FOR DETECTING RESPIRATORY SINUS ARRHYTHMIA - At least one embodiment of the invention relates to an implantable electronic device, comprising a heart rhythm detection unit, a respiratory dynamics detection unit, an evaluation unit and at least one connection to at least two electrode poles. The at least two electrode poles are connected to the heart rhythm detection unit, and the heart rhythm detection unit is configured to supply a heart rhythm signal representing the heart rhythm as an output signal. The at least two electrode poles are connected to a respiratory dynamics determination unit, and the respiratory dynamics detection unit is configured to supply a respiratory dynamics signal representing the respiratory dynamics as the output signal. Moreover, the heart rhythm detection unit and the respiratory dynamics detection unit are connected to the evaluation unit, and the evaluation unit is configured to evaluate the heart rhythm signal in conjunction a temporally associated respective respiratory dynamics signals. | 07-25-2013 |
20130190632 | AUTOREGULATION MONITORING - A method may include controlling a ventilator to introduce mean airway pressure (MAP) variations in a patient to induce slow waves of substantially fixed amplitude and period to the patient. The method may also include analyzing arterial blood pressure in the patient with respect to the MAP variations and determining, based on the analyzing, whether an autoregulatory mechanism associated with the patient's brain is operating properly. | 07-25-2013 |
20130197375 | Hydraulic Bed Sensor and System for Non-Invasive Monitoring of Physiological Data - Disclosed herein is a new and improved non-invasive bed sensing system for detecting and monitoring physiological movements such as heartbeat and respiration. The system may employ a hydraulic fluid to transduce the physiological pressures to an integrated pressure sensor and a new and improved signal processing method to identify individual cardiac pulses from the electronic signals generated by the hydraulic transducer. The system provides increased sensitivity capable of capturing quantitative pulse and respiration rates with subtle changes, ability to distinguish between instances of low pulse rate and shallow breathing, and improved comfort over existing system. | 08-01-2013 |
20130197376 | Detecting and treatment of sleep apnea - A device is presented for evaluating whether an episode of sleep apnea is occurring in a patient suffering from chronic sleep apnea disorder, for delivery of appropriate therapy. The device includes circuitry adapted to respond to a cardiac signal generated by the heart. Switching circuitry diverts passage of the heart signal through both a high impedance path and a substantially lower impedance path, and a differential amplifier processes the resulting signal pairs to ascertain the difference in magnitude between the two signals of each pair. An analyzer thereof determines changes in the patient's ventilation, from which inordinately reduced patient ventilation is detected to assess possible occurrence of an episode of sleep apnea. If the analyzer denotes change of ventilation between otherwise regular respiratory cycles, an actual episode of sleep apnea is indicated. A stimulus generator responds to such indication to generate an appropriate electrical therapy for delivery to a preselected location in the patient's body to induce ventilation so as to terminate the apnea episode. | 08-01-2013 |
20130204145 | SYSTEM AND METHOD FOR MANAGING DEVICES AND DATA IN A MEDICAL ENVIRONMENT - A system and method for facilitating coordinated functioning of medical devices over a network. The system includes a communication circuit to receive an input indicative of an action to be performed by a first medical device from a processing unit coupled to a social health record data bank. The communication circuit is configured to send an instruction to the first medical device to initiate the action by the first medical device in association with information of a patient associated with the first medical device stored in and retrieved from the social health record data bank. The system further includes a control circuit configured to monitor the action performed by the first medical device and instruct the first medical device to pause performing the action for a defined period of time based on an instruction from the processing unit indicative of an action to be performed by a second medical device. | 08-08-2013 |
20130204146 | RESPIRATION INDUCING APPARATUS AND CONTROL METHOD THEREOF - A respiration inducing apparatus is provided, and includes a respiration waveform data collection unit for collecting respiration waveform data from a user; a storage unit for storing a respiration waveform template; a controller for comparing the respiration waveform data and the respiration waveform template and determining a respiration fidelity based on a similarity of a comparison result; and a user interface unit for displaying at least one of the respiration waveform data, the respiration waveform template, and the respiration fidelity. | 08-08-2013 |
20130211266 | DIFFERENTIATING DECOMPENSATION DETECTION BASED ON CO-MORBIDITIES IN HEART FAILURE - This document discusses, among other things, a system comprising a sensor signal processor configured to receive a plurality of electrical sensor signals produced by a plurality of sensors and at least one sensor signal produced by an implantable sensor, a memory that includes information indicating a co-morbidity of a subject, a sensor signal selection circuit that selects a sensor signal to monitor from among the plurality of sensor signals, according to an indicated co-morbidity, a threshold adjustment circuit that adjusts a detection threshold of the selected sensor signal according to the indicated co-morbidity, and a decision circuit that applies the adjusted detection threshold to the selected sensor signal to determine whether an event associated with worsening heart failure (HF) occurred in the subject and outputs an indication of whether the event associated with worsening HF occurred to a user or process. | 08-15-2013 |
20130226011 | INDICATION-BASED WORSENING HF ALERT - This document discusses, among other things, receiving a user selection of a heart failure symptom, receiving a user selection of an abnormal psychological condition, receiving information about a physiological patient status parameter, and determining a heart failure status using the received information. | 08-29-2013 |
20130231576 | SOMATIC DATA-MEASURING APPARATUS AND SOMATIC DATA MEASUREMENT METHOD - Provided are a somatic data-measuring apparatus that can easily and accurately measure the optimal exercise intensity for the subject being measured, and a somatic data measurement method. The somatic data-measuring apparatus is provided with a heart sound-acquiring means that detects the subject's heart sounds and outputs same as heart sound data, a first heart sound-extracting means that detects the first heart sound on the basis of the heart sound data, a first heart sound amplitude-measuring means that measures the amplitude from the detected first heart sound and outputs same as first heart sound amplitude data, a heart rate-counting means that measures the subject's heart rate and outputs same as heart rate data, and an exercise intensity-computing means that computes the double product of the heart rate data and the first heart sound amplitude data as double product data and detects, as the optimal exercise intensity, the exercise intensity at which the approximation line, which approximates said double product data distribution, bends. Since the double product, which represents myocardial oxygen consumption, is effective as an index that accurately reflects the state of cardiac workload, it is possible to measure accurately the degree of workload on the heart. | 09-05-2013 |
20130237863 | HEART SOUND MONITORING OF PULMONARY HYPERTENSION - A medical device system and method that includes sensing a heart sound signal from a first external sensor, determining whether a pulmonary hypertension signature is detected in response to the sensed heart sound signal, sensing a lung sound signal from a second external sensor, determining whether a heart failure signature is detected in response to the sensed lung sound signal, and determining therapy parameters in response to determining whether a pulmonary hypertension signature is detected and determining whether a heart failure signature is detected. | 09-12-2013 |
20130261471 | BASELINE DETERMINATION FOR PHRENIC NERVE STIMULATION DETECTION - Some method examples may include pacing a heart with cardiac paces, sensing a physiological signal for use in detecting pace-induced phrenic nerve stimulation, performing a baseline level determination process to identify a baseline level for the sensed physiological signal, and detecting pace-induced phrenic nerve stimulation using the sensed physiological signal and the calculated baseline level. Detecting pace-induced phrenic nerve stimulation may include sampling the sensed physiological signal during each of a plurality of cardiac cycles to provide sampled signals and calculating the baseline level for the physiological signal using the sampled signals. Sampling the sensed physiological signal may include sampling the signal during a time window defined using a pace time with each of the cardiac cycles to avoid cardiac components and phrenic nerve stimulation components in the sampled signal. | 10-03-2013 |
20130274616 | ELECTROCARDIOGRAM DERIVED RESPIRATION SIGNAL FOR PARASYMPATHETIC AND SYMPATHETIC MONITORING DEVICES - The invention presents a method for deriving respiratory data from single lead ECG recordings for monitoring the autonomic nervous system, specifically the parasympathetic and sympathetic nervous systems independently and simultaneously. The ECG derived respiration for ANS monitoring devices generally includes a method for non-invasive monitoring of the respiratory activity for the assessment of the parasympathetic and sympathetic (P&S) branches of the autonomic nervous system. The EDR signal is used to analyze and assess the individual activities of, and interactions between the sympathetic and parasympathetic divisions of the ANS. The present invention applies a QRS peak detection algorithm to ECG signal. The peak amplitudes and respective time locations are then used to generate the respiration signal. The EDR provides an approximate but reliable estimate of the respiratory activity. The utility of the algorithm is tested for the P&S monitoring for the various tasks such as Normal Breathing (Baseline), Deep Breathing, Valsalva Maneuvers, and Standing, as well as for normal subjects, and ill and geriatric patients. | 10-17-2013 |
20130274617 | BIOLOGICAL INFORMATION MONITORING APPARATUS - A biological information monitoring apparatus includes: a measurer which is configured to measure biological information of a subject; a display on which a measurement value of the biological information measured by the measurer is displayed; a calibration controller which, when a predetermined condition is satisfied, is configured to perform a calibration process on the measurer; a time measurer which is configured to acquire a remaining time before the calibration process is ended; and a display controller which is configured to cause an index indicating the remaining time to be displayed on the display. | 10-17-2013 |
20130281866 | MONITORING A CONDITION OF A SUBJECT - A method of predicting an onset of apnea is described. Motion of a subject, including at least breathing-related motion, is sensed, and a signal corresponding to the sensed motion is generated. A breathing-related signal is extracted from the sensed motion signal, and the onset of apnea is predicted at least partially in response to analyzing the breathing-related signal. Other applications are also described. | 10-24-2013 |
20130281867 | THORACIC OR INTRACARDIAC IMPEDANCE DETECTION WITH AUTOMATIC VECTOR SELECTION - Vector selection is automatically achieved via a thoracic or intracardiac impedance signal collected in a cardiac function management device or other implantable medical device that includes a test mode and a diagnostic mode. During a test mode, the device cycles through various electrode configurations for collecting thoracic impedance data. At least one figure of merit is calculated from the impedance data for each such electrode configuration. In one example, only non-arrhythmic beats are used for computing the figure of merit. A particular electrode configuration is automatically selected using the figure of merit. During a diagnostic mode, the device collects impedance data using the selected electrode configuration. In one example, the figure of merit includes a ratio of a cardiac stroke amplitude and a respiration amplitude. Other examples of the figure of merit are also described. | 10-24-2013 |
20130289418 | BIOMETRIC INFORMATION PROCESSING DEVICE, BIOMETRIC INFORMATION PROCESSING METHOD, AND CONTROL PROGRAM - A biometric information processing device has a heart rate detection unit that detects the heart rate of a subject; a relative heart rate calculation unit that calculates a relative heart rate, which is the relative value of the heart rate to the prescribed resting heart rate of the subject; a relative oxygen intake calculation unit that calculates a relative oxygen intake based on the relative heart rate; an oxygen intake estimation unit that estimates the oxygen intake from the relative oxygen intake; and a calorie expenditure calculation unit that calculates calorie expenditure based on the oxygen intake. | 10-31-2013 |
20130289419 | ACTIVITY VISUALIZATION DEVICE - The present invention is related to an activity visualization device for personal use, said device being adapted to be used in close physical contact with an individual. Said device comprises an accelerometer for determining the physical activity of an individual, a memory for logging said physical activity over time, a processing unit for carrying out computational operations on the basis of the measured and/or logged data, and a visualization display for presentation of the measured and/or logged data, or data resulting from the computational operation thereof. | 10-31-2013 |
20130296719 | RESCUE PERFORMANCE METRIC - A computer-implemented method for providing summary information for lifesaving activities is disclosed. | 11-07-2013 |
20130296720 | SYSTEM AND METHOD FOR DIAGNOSIS AND MANAGEMENT OF SEPSIS - Embodiments of systems and methods for providing protocols for administering an aspect of care are presented. Specifically, certain embodiments relate to a sepsis diagnosis and management protocol which may have been segmented according to the severity of the sepsis, where the care directives provided by the differing segments of the protocol will be of differing intensity or invasiveness based upon the severity of the patient's disease. Embodiments of such protocols may be implemented in conjunction with computer systems to aid in providing that aspect of care in conjunction with a particular patient. | 11-07-2013 |
20130310699 | Patient Monitoring Method and Monitoring Device - A method of monitoring a patient includes measuring neural respiratory drive using a monitoring device ( | 11-21-2013 |
20130317374 | CARDIOVASCULAR PRESSURE ANNOTATIONS AND LOGBOOK - A system comprises an external medical device configured to communicate with a first implantable medical device (IMD). The external medical device includes a communication circuit and a display. The communication circuit is configured to receive information associated with cardiovascular pressure from the IMD. The external medical device is configured to annotate a waveform on the display to indicate one or more events associated with cardiovascular pressure. | 11-28-2013 |
20130331713 | METHODS AND APPARATUS FOR MONITORING THE CARDIOVASCULAR CONDITION OF PATIENTS WITH SLEEP DISORDERED BREATHING - An apparatus for assessing patient breathing and cardiovascular condition of a patient includes a storage medium for storing data regarding the breathing and cardiovascular condition of the patient, a processor in communication with the storage medium, the processor being configured to prompt the patient with a series of queries relating to patient breathing and cardiovascular condition, a display for presenting the patient with the series of queries and a date entry device for receiving responses to the series of queries. The processor is configured to tally positive responses to the series of queries to generate a sleep disordered breathing index. | 12-12-2013 |
20130338513 | NON-CONTACT APPARATUS FOR MONITORING CARDIOPULMONARY ACTIVITY SIGNALS AND METHOD FOR THE SAME - A laser apparatus includes an optical fiber component and a pump light source coupled to the optical fiber component. The optical fiber component includes a first fiber segment, a second fiber segment and a connecting segment that connects the first and second fiber segments. The first fiber segment includes a fiber core having a first diameter, and the second fiber segment includes a fiber core having a second diameter. The first diameter may be greater than the second diameter, and the connecting segment may have a periodically varying refractive index. | 12-19-2013 |
20130338514 | METHOD FOR DETERMINING HEMODYNAMIC EFFECTS - The present disclosure relates, in some embodiments, to devices, systems, and/or methods for collecting, processing, and/or displaying stroke volume and/or cardiac output data. For example, a device for assessing changes in cardiac output and/or stroke volume of a subject receiving airway support may comprise a processor; an airway sensor in communication with the processor, wherein the airway sensor is configured and arranged to sense pressure in the subject's airway, lungs, and/or intrapleural space over time; a blood volume sensor in communication with the processor, wherein the blood volume sensor is configured and arranged to sense pulsatile volume of blood in a tissue of the subject over time; and a display configured and arranged to display a representative of an airway pressure, a pulsatile blood volume, a photoplethysmogram, a photoplethysmogram ratio, the determined cardiac output and/or stroke volume, or combinations thereof. A method of assessing changes in cardiac output or stroke volume of a subject receiving airway support from a breathing assistance system may comprise sensing pressure in the subject's airway as a function of time, sensing pulsatile volume of blood in a tissue of the subject as a function of time, producing a photoplethysmogram from the sensed pulsatile volume, determining the ratio of the amplitude of the photoplethysmogram during inhalation to the amplitude of the photoplethysmogram during exhalation, and determining the change in cardiac output or stroke volume of the subject using the determined ratio. | 12-19-2013 |
20130345571 | Electrode Positioning - In a method for positioning linear array of electrodes (LAE) mounted on distal end section of elongated flexible member in patient's respiratory airways (PRA) at level of diaphragm, a length of the member pre-determined to position LEA at the level of the diaphragm is inserted through PRA. Signals representative of an electrical activity of the diaphragm (EAdi) are detected through LAE, presence/absence of ECG signal components is detected in EAdi signals, and position of LAE in PRA is detected in response to presence/absence of ECG signal components in EAdi signals. Lower esophageal sphincter activity may be detected in EAdi signals, and position of LAE in PRA determined in response to the detected lower esophageal sphincter. End-expiratory occlusion of PRA may be performed to verify that the electrical activity of the diaphragm coincides with a negative deflection of PRA pressure again in view of determining adequate positioning of LAE. | 12-26-2013 |
20130345572 | AUTOMATIC LUNG PARAMETER ESTIMATOR FOR MEASURING OXYGEN AND CARBON DIOXIDE GAS EXCHANGE - The invention relates to a device for determining two or more respiratory parameters relating to an individual and a method for determining two or more respiratory parameters relating to an individual by means of the device. The disclosed device and method may be used in an individual suffering from pulmonary gas exchange problems relating to gas exchange of oxygen and/or carbon dioxide, e.g. a patient with chronic obstructive pulmonary disease. The device and method may also be used in a healthy individual or in an animal, e.g. for research experiments. The device has detection means for oxygen and carbon dioxide contents in inspired and expired gas and blood. The device is controlled by a computer with functionality for entering oxygenation, carbon dioxide and acid-base values from one or more blood samples from arterial, venous, central venous or mixed venous blood samples, and with the parameter estimation based on equations of gas exchange of both oxygen and carbon dioxide and equations describing the acid-base chemistry of blood potentially including the competitive binding of oxygen and carbon dioxide to hemoglobin. | 12-26-2013 |
20140005559 | METHOD AND A SYSTEM FOR CARDIAC MONITORING | 01-02-2014 |
20140024953 | BREATH TEST DEVICE AND METHOD - There is provided a method of evaluating a liver condition of a subject, the method includes computing a fluctuation parameter from a liver breath test based on at least one of a percentage dose recovery (PDR) curve and a delta over baseline (DOB) curve of an isotope labeled methacetin, or a salt or a derivative thereof, and evaluating at least one liver condition of the subject, based at least on the fluctuation parameter. There is provided herein a method of evaluating a liver condition of a subject, the method includes computing a hepatic impairment score based at least on a breath test related parameter and on a demographic parameter. | 01-23-2014 |
20140031703 | ATHLETIC MONITORING - A system for determining a set of characteristics of a participant performing an activity is provided. The system includes two or more data collectors and a processor. The two or more data collectors include a physical data collector for collecting physical data associated with the activity and a physiological data collector for collecting physiological data associated with the activity. The processor has one or more data inputs in communication with the processor. Each of the one or more data inputs communicates with at least one of the data collectors to receive the physical data or the physiological data. The processor is adapted to receive the physical data and the physiological data from the one or more data inputs and process the physical data and the physiological data according to a characteristic generation program. The set of characteristics represents a performance level of the participant performing the physical activity. | 01-30-2014 |
20140039327 | SYSTEM AND METHOD FOR EVALUATING A PATIENT STATUS FOR USE IN HEART FAILURE ASSESSMENT - A system and method for evaluating a patient status from sampled physiometry for use in heart failure assessment is presented. Physiological measures are stored, including at least one of direct measures regularly recorded on a substantially continuous basis by an implantable medical device for a patient and measures derived from the direct measures. At least one of those of the physiological measures, which each relate to a same type of physiometry, and those of the physiological measures, which each relate to a different type of physiometry are sampled. A status for the patient is determined through analysis of the sampled physiological measures assembled from a plurality of recordation points. The sampled physiological measures are evaluated. Trends that are indicated by the patient status, which might affect cardiac performance of the patient, are identified. Each trend is compared to worsening heart failure indications to generate a notification of parameter violations. | 02-06-2014 |
20140046200 | MONITORING OF HEART SOUNDS - This document discusses, among other things, a system comprising an implantable medical device (IMD) including an implantable heart sound sensor circuit configured to produce an electrical heart sound signal representative of a heart sound of a subject and a processor circuit. The processor circuit is coupled to the heart sound sensor circuit and includes a detection circuit, a heart sound feature circuit and a trending circuit. The detection circuit configured to detect a physiologic perturbation and the heart sound feature circuit is configured to identify a heart sound feature in the electrical signal. The processor circuit is configured to trigger the heart sound feature circuit in relation to a detected physiologic perturbation. The trending circuit is configured to trend the heart sound feature in relation to a recurrence of the physiologic perturbation. The processor circuit is configured to declare a change in a physiologic condition of the patient according to the trending. | 02-13-2014 |
20140052007 | METHOD AND SYSTEM FOR DETERMINING HRV AND RRV AND USE TO IDENTIFY POTENTIAL CONDITION ONSET - The present disclosure relates to a method and system for identifying potential condition onset based upon a combination of Heart Rate Variability (HRV), Respiratory Rate Variability (RRV) and/or confounding factors. The present method and system may involve data collection, a temporal abstraction (TA)-based approach, and data analysis to identify potential condition onset in patients. The present method and system may generate and amend a classification scheme to be operable to determine that a patient is facing potential condition onset. The present method and system may further be operable to provide clinical decision making support. Embodiments of the present method and system may be operable to identify trends, such as temporal patterns, and to undertake a variety of analyses of collected and/or TA data to provide indicators, and determinations of potential condition onset in patients. As an example, the present method and system may be applied to identify potential condition onset of sepsis in infant patients. | 02-20-2014 |
20140058274 | METHOD DEVICE AND SYSTEM FOR MONITORING LUNG VENTILATION - A method of monitoring lung ventilation of a subject is disclosed. The method comprises recording signals from a plurality of sensing location on the chest of the subject, at least a portion of the signals being indicative of a local motion of the chest at a respective sensing location. The method further comprises operating a data processing system to analyze the signals such as to determine a status of the ventilation, thereby to monitor the lung ventilation of the subject. | 02-27-2014 |
20140066787 | SYSTEM AND METHOD FOR RECONSTRUCTING CARDIAC ACTIVATION INFORMATION - An example system and method of processing cardiac activation information are disclosed. The method includes accessing a first cardiac signal and a second cardiac signal obtained from a patient. The first cardiac signal and the second cardiac signal are processed to determine whether there is a point of change in the first cardiac signal at which a derivative of the first cardiac signal diverges with respect to a derivative of the second cardiac signal above a threshold. An activation onset time is assigned in the first cardiac signal at the point of change to define a cardiac activation if the point of change is in the first cardiac signal. | 03-06-2014 |
20140073970 | Physiological Condition Monitor - A physiological condition monitor that is usable in determining a user's oxygen consumption (VO | 03-13-2014 |
20140081157 | Apparatus and Method for determining a volume amount of a physiological volume - An apparatus and a method for determining the volume amount of a physiological volume (EVLW) from the system response to two successive system disturbances, taking into account that an intrinsic physical property of the physiological volume is influenced by the first (or previous, respectively) system disturbance, is described. By introducing a cold bolus to the central venous blood stream, a flowed-by volume, such as extravascular lung water, is cooled down. The driving temperature gradient for heat transfer is reduced when a second cold bolus is introduced. From the difference of the system response to the first bolus injection and the second bolus injection EVLW can be determined. | 03-20-2014 |
20140088444 | METHOD AND SYSTEM FOR DETERMINING THE FITNESS INDEX OF A PERSON - The invention relates to a method and system for determining the cardiorespiratory fitness level of a person, with the aid of freely performed exercise in which training: •the physiological intensity of the person is measured periodically during the exercise session ( | 03-27-2014 |
20140107500 | METHODS AND APPARATUS TO DETERMINE VENTILATORY AND RESPIRATORY COMPENSATION THRESHOLDS - An apparatus and method for determining a ventilator threshold (VT) and respiratory compensation threshold (RCT) is disclosed. The method comprises measuring breathing patterns of a user. It also comprises measuring a heart rate of the user. Finally, it comprises determining a VT and a RCT for the user based on an analysis of the breathing patterns and the heart rate. | 04-17-2014 |
20140107501 | WIRELESS MULTI-SENSOR PLATFORM FOR CONTINUOUS REAL-TIME MONITORING OF CARDIOVASCULAR RESPIRATORY DYNAMICS - A set of vectorcardiogram leads attach to a patient and a signal conditioning circuit receives a plurality of analog signals from the plurality of vectorcardiogram leads. An analog to digital converter that transforms the conditioned analog signals into digital signals and a processor transforms the digital vectorcardiogram signals into electrocardiogram signals. | 04-17-2014 |
20140107502 | PORTABLE PROGRAMMER FOR PROVIDING PATIENT STATUS INFORMATION - A method and apparatus concerning the retrieval and storage of status information obtained from patients having implantable medical devices (IMDs). When patients are having episodes during which symptoms are experienced relating to their medical condition, the collection of the patient's status information can be helpful to the patient's physician for diagnostic purposes. Telemetered signals recorded by the IMD can be transmitted from the IMD to a programmer. Such programmer is portable and sized so as to be carried by the patient. As such, mechanisms added to such programmers for use in retrieving and storing patient status information can provide more convenience for patients. | 04-17-2014 |
20140107503 | DIFFERENTIATING DECOMPENSATION DETECTION BASED ON CO-MORBIDITIES IN HEART FAILURE - This document discusses, among other things, a system comprising a sensor signal processor configured to receive a plurality of electrical sensor signals produced by a plurality of sensors and at least one sensor signal produced by an implantable sensor, a memory that includes information indicating a co-morbidity of a subject, a sensor signal selection circuit that selects a sensor signal to monitor from among the plurality of sensor signals, according to an indicated co-morbidity, a threshold adjustment circuit that adjusts a detection threshold of the selected sensor signal according to the indicated co-morbidity, and a decision circuit that applies the adjusted detection threshold to the selected sensor signal to determine whether an event associated with worsening heart failure (HF) occurred in the subject and outputs an indication of whether the event associated with worsening HF occurred to a user or process. | 04-17-2014 |
20140121544 | METHOD AND APPARATUS FOR MEASURING BLOOD VOLUME - Method for measuring a blood volume is provided. At least two types of respiratory variation data; for instance, data pertinent to respiratory variations in stroke volume (SVV) data, data pertinent to respiratory variations in an amplitude of a pulse wave (PAV), a pulse wave transit time (PWTT) in a respiratory cycle, and a heart rate (HR) in a predetermined time, are measured, and patient's inherent coefficients α, β, and K are calculated, whereby a cardiac output can be determined by an equation CO=K(α*PWTT+β)*HR. | 05-01-2014 |
20140121545 | SYSTEM AND METHOD FOR EVALUATING A PATIENT STATUS FOR USE IN HEART FAILURE ASSESSMENT - A system and method for evaluating a patient status from sampled physiometry for use in heart failure assessment is presented. Physiological measures are stored, including at least one of direct measures regularly recorded on a substantially continuous basis by an implantable medical device for a patient and measures derived from the direct measures. At least one of those of the physiological measures, which each relate to a same type of physiometry, and those of the physiological measures, which each relate to a different type of physiometry are sampled. A status for the patient is determined through analysis of the sampled physiological measures assembled from a plurality of recordation points. The sampled physiological measures are evaluated. Trends that are indicated by the patient status, which might affect cardiac performance of the patient, are identified. Each trend is compared to worsening heart failure indications to generate a notification of parameter violations. | 05-01-2014 |
20140128748 | MOTION/VIBRATION SENSOR - A motion/vibration sensor includes a transmit/receive antenna unit, an oscillation unit and a frequency-mixing unit. The transmit/receive antenna unit receives an output signal from the oscillation unit and transmits a detection signal toward at least one object. The detection signal is reflected by the object as a reflected detection signal and received by the transmit/receive antenna unit. The oscillation unit receives the reflected detection signal from the transmit/receive antenna unit for self-injection locking; and the frequency-mixing unit receives the reflected detection signal from the transmit/receive antenna unit for frequency demodulation. The frequency-mixing unit mixes and demodulates the reflected detection signal from the transmit/receive antenna unit with the output signal from the oscillation unit into a baseband output signal which represents a motion/vibration information. | 05-08-2014 |
20140128749 | DETECTING WORSENING HEART FAILURE BASED ON FLUID ACCUMULATION WITH RESPIRATORY CONFIRMATOIN - A medical device monitors a level of fluid accumulation, e.g., pulmonary edema, and one or more respiratory parameters of the patient to detect worsening heart failure. The medical device may use intrathoracic impedance measurements to monitor both the fluid accumulation and the one or more respiratory parameters. Respiration rate and volume, also referred to as the tidal volume, are examples of respiratory parameters. The medical device examines the one or more respiratory parameters after determining that the fluid accumulation indicates worsening heart failure. In this manner, the medical device uses the one or more respiratory parameters to confirm a determination of worsening heart failure that was made based on the fluid accumulation. | 05-08-2014 |
20140142440 | METHOD AND APPARATUS FOR MANAGEMENT OF HEART FAILURE HOSPITALIZATION - A hospitalization management system including a heart failure analyzer that receives diagnostic data including at least sensor data representative of one or more physiological signals sensed from a hospitalized patient using one or more sensors and assesses risk of rehospitalization for the patient using the diagnostic data. The outcome of the risk assessment is used during and following the patient's hospitalization for reducing the risk of rehospitalization. | 05-22-2014 |
20140148711 | Recursive Least Squares Adaptive Acoustic Signal Filtering for Physiological Monitoring System - Recursive least squares (RLS) adaptive acoustic signal filtering for a physiological monitoring system reduces residual heart sound in a primary signal remaining after application of a respiration sound bandpass filter to a first instance of a mixed signal containing respiration sound and heart sound. Residual heart sound in the primary signal is reduced by minimizing a component in the primary signal that correlates with a reference signal containing heart sound but almost no residual respiration sound after application of a heart sound bandpass filter to a second instance of the mixed signal. The correlative component in the primary signal is minimized by applying an adaptive filter to the reference signal and subtracting the filtered reference signal from the primary signal to produce a residue signal, wherein the coefficients for the adaptive filter are selected to minimize the least square error of the residue signal. | 05-29-2014 |
20140155762 | METHOD AND APPARATUS FOR DETECTING SUBAUDIBLE CARDIAC VIBRATIONS - A monitoring system senses a physiological signal indicative of mechanical vibrations including audible and/or subaudible frequency ranges and presents information related to the physiological signal to a user. The presented information includes subaudible components of the physiological signal. In various embodiments, the information can be presented as a visual signal representing the mechanical vibrations including the subaudible components, an audial signal representing the mechanical vibrations having a spectrum shifted to an audible frequency range, and/or an audial signal representing the mechanical vibrations having a spectrum compressed into an audible frequency range. An example of the physiological signal can include a heart sound signal indicative of heart sounds including cardiac mechanical vibrations in audible and subaudible frequency ranges. | 06-05-2014 |
20140155763 | MEDICAL ANALYSIS AND DIAGNOSTIC SYSTEM - A computerized method includes diagnosing a patient. The diagnosing includes receiving a patient identification of the patient. The diagnosing includes determining, using one or more sensors, one or more current body characteristics of the patient. The diagnosing includes creating a current multimedia representation for each of the one or more current body characteristics determined by using the sensor. The diagnosing includes comparing the current multimedia representation to previous multimedia representations of each of the one or more body characteristics from other persons. The diagnosing includes selecting a diagnosis and a diagnosis confidence factor for the diagnosis for the patient based on the comparing of the current multimedia representation to the previous multimedia representations of each of one or more the body characteristics. The diagnosing includes determining whether the diagnosis confidence factor exceeds a high confidence factor threshold. | 06-05-2014 |
20140155764 | AUTOMATED PROCESS FOR ASSESSING CARDIAC FILLING PRESSURE NON-INVASIVELY - An embodiment in accordance with the present invention provides an automated device and method for determining cardiac filling pressure non-invasively. The device includes a computer readable medium programmed to analyze a photoplethysmography signal having a pulse amplitude. The analysis is done to determine a point in time that the pulse amplitude of the photoplethysmography signal does not vary by a predetermined amount over a first predetermined time period. The method also includes displaying instructions for the user to prepare for and begin an expiratory effort. The expiratory effort of the user is compared to a predetermined goal range for expiratory effort, and an indicator of the user's expiratory effort relative to the predetermined goal range is displayed on the user interface. | 06-05-2014 |
20140155765 | SYSTEM AND METHOD FOR EVALUATING A PATIENT STATUS FOR USE IN HEART FAILURE ASSESSMENT - A system and method for evaluating a patient status from sampled physiometry for use in heart failure assessment is presented. Physiological measures, including at least one of direct measures regularly recorded on a substantially continuous basis by a medical device and measures derived from the direct measures are stored. At least one of those of the physiological measures, which relate to a same type of physiometry, and those of the physiological measures, which relate to a different type of physiometry are sampled. A status is determined for a patient through analysis of those sampled measures assembled from a plurality of recordation points. The sampled measures are evaluated. Trends that are indicated by the patient status, including one of a status quo and a change, which might affect cardiac performance of the patient, are identified. Each trend is compared to worsening heart failure indications to generate a notification of parameter violations. | 06-05-2014 |
20140155766 | SYSTEM AND METHOD FOR EVALUATING A PATIENT STATUS FOR USE IN HEART FAILURE ASSESSMENT - A system and method for evaluating a patient status from sampled physiometry for use in heart failure assessment is presented. Physiological measures, including at least one of direct measures regularly recorded on a substantially continuous basis by a medical device and measures derived from the direct measures are stored. At least one of those of the physiological measures, which relate to a same type of physiometry, and those of the physiological measures, which relate to a different type of physiometry are sampled. A status is determined for a patient through analysis of those sampled measures assembled from a plurality of recordation points. The sampled measures are evaluated. Trends that are indicated by the patient status, including one of a status quo and a change, which might affect cardiac performance of the patient, are identified. Each trend is compared to worsening heart failure indications to generate a notification of parameter violations. | 06-05-2014 |
20140163396 | DETERMINING RESPIRATORY RATE - According to an aspect of an embodiment, a method of assessing respiratory rate includes receiving a data signal indicating a heart rate of a subject over time. The method also includes determining changes in the heart rate from the data signal. The method also includes assessing a respiratory rate of the subject based on the changes in the heart rate. | 06-12-2014 |
20140163397 | Gas Exchange Testing and Auxiliary Gas Delivery Apparatus - A gas exchange testing system has an apparatus for delivery of an auxiliary gas during a gas exchange test. Measurements representing physiological parameters of a patient are made during the gas exchange test. The auxiliary gas is delivered so that a gas exchange test can be performed on a patient who requires auxiliary gas. Additionally, the auxiliary gas is delivered so that gas exchange testing can determine if the auxiliary gas is beneficial and which concentration of the auxiliary gas is most beneficial. A testing process compares measurements under a condition where the auxiliary gas is delivered and under a condition where it is not delivered. Another testing process compares measurements under a condition where one auxiliary gas is delivered and under a condition where a different auxiliary gas is delivered. | 06-12-2014 |
20140163398 | CARDIAC CYCLE SYNCHRONIZED SAMPLING OF IMPEDANCE SIGNAL - A system comprising implantable device, the implantable medical device including an intrinsic cardiac signal sensor, an impedance measurement circuit configured to apply a specified current to a transthoracic region of a subject and to sample a transthoracic voltage resulting from the specified current, and a processor coupled to the intrinsic cardiac signal sensor and the impedance measurement circuit. The processor is configured to initiate sampling of a transthoracic voltage signal in a specified time relation to a fiducial marker in a sensed intrinsic cardiac signal, wherein the sampling attenuates or removes variation with cardiac stroke volume from the transthoracic voltage signal, and determine lung respiration using the sampled transthoracic voltage signal. | 06-12-2014 |
20140171810 | SYSTEM AND METHOD FOR PRIORITIZING MEDICAL CONDITIONS - The technology disclosed herein generally relates to a method for providing an index disorder in automated patient care. A set of device measures is stored in a database. Quantitative health care data indicators in the database are provided, where the indicators were regularly recorded by a medical device for a patient under automated patient care. Collected device measures are retrieved with a processor. An index disorder is identified through derived measure determination and statistical calculation with a processor. | 06-19-2014 |
20140180137 | ADHESIVELY MOUNTED APPARATUS FOR DETERMINING PHYSIOLOGICAL AND CONTEXTUAL STATUS - The invention comprises an apparatus for determining the contextual or physiological status of the individual wearing the apparatus. The apparatus is designed to be consumable or disposable. In most embodiments the invention comprises an adhesive housing. In some embodiments, two different sensors are secured to the housing. The apparatus is in electronic communication with a processing unit that can derive analytical status data by using the data received from the two sensors. In some embodiments, the processing unit is programmed to to control other devices, or is programmed to trigger an event. In still other embodiments, the apparatus is in electronic communication with a separate computing device, which may contain the processing unit. | 06-26-2014 |
20140180138 | Ventilation Monitoring - According to an embodiment of the present invention, a ventilation monitoring device comprises at least one processor and at least one memory including computer program code. The at least one memory and the computer program code is configured with the at least one processor to cause the ventilation monitoring device to determine whether an intubated subject's tracheal tube is properly placed by receiving an indication of a subject's breath from at least one sensor. | 06-26-2014 |
20140187976 | BODY-WORN SENSOR FOR CHARACTERIZING PATIENTS WITH HEART FAILURE - The invention provides a sensor for measuring both impedance and ECG waveforms that is configured to be worn around a patient's neck. The sensor features 1) an ECG system that includes an analog ECG circuit, in electrical contact with at least two ECG electrodes, that generates an analog ECG waveform; and 2) an impedance system that includes an analog impedance circuit, in electrical contact with at least two (and typically four) impedance electrodes, that generates an analog impedance waveform. Also included in the neck-worn system are a digital processing system featuring a microprocessor, and an analog-to-digital converter. During a measurement, the digital processing system receives and processes the analog ECG and impedance waveforms to measure physiological information from the patient. Finally, a cable that drapes around the patient's neck connects the ECG system, impedance system, and digital processing system. | 07-03-2014 |
20140200463 | MENTAL STATE WELL BEING MONITORING - The mental state of an individual is obtained to determine their well-being status. The mental state is derived from an analysis of facial information and physiological information of an individual. The well-being status of other individuals is correlated to the well-being status of the first individual. The well-being status of the individual or group of individuals is rendered for display. The well-being status of an individual is used to provide feedback and to recommend activities for the individual. | 07-17-2014 |
20140207004 | SYSTEM AND METHOD FOR DETERMINING RESPIRATORY EFFORT - A system for determining respiratory effort of an individual may include a pressure signal determination module configured to determine a physiological pressure signal of the individual, a wavelet transform module configured to transform the physiological pressure signal into a scalogram using at least one wavelet transform, and a respiratory effort determination module configured to determine the respiratory effort of the individual through an analysis of scalogram. | 07-24-2014 |
20140213913 | METHODS FOR DETECTION OF RESPIRATORY EFFORT AND SLEEP APNEA MONITORING DEVICES - A sleep apnea diagnostic system includes a housing that is configured to be attached to near the nose of a patient's face to sense physiological information of a patient. The housing includes sensors to sense the physiological information. The physiological information may be, for example, air flow through the nose or the mouth or both. The physiological information further may be, for example, blood volume. The sleep apnea diagnostic system includes at least one processor in the housing or external to the housing or both to analyze the physiological information to determine whether the patient has experienced irregular or abnormal respiratory activity and to detect respiratory effort. The analysis may be real time or delayed. | 07-31-2014 |
20140221851 | SYSTEMS AND METHODS FOR DETERMINING RESPIRATION INFORMATION FROM A PHYSIOLOGICAL SIGNAL USING AMPLITUDE DEMODULATION - A patient monitoring system may receive a physiological signal such as a photoplethysmograph (PPG) signal. The PPG signal may include a pulsatile component that functions as a carrier signal and an amplitude modulation component that represents respiration information. The patient monitoring system may move the amplitude modulation component to a baseline component of the PPG signal. Respiration information may be calculated based on the amplitude modulation component. | 08-07-2014 |
20140221852 | SYSTEMS AND METHODS FOR DETERMINING RESPIRATION INFORMATION USING FREQUENCY DEMODULATION - A patient monitoring system may receive a physiological signal such as a photoplethysmograph (PPG) signal. The PPG signal may include a pulsatile component that functions as a carrier signal and a frequency modulation component that represents respiration information. The patient monitoring system may more the frequency modulation component to a baseline component of the PPG signal. Respiration information may be calculated based on the frequency modulation component. | 08-07-2014 |
20140221853 | IMPLANTABLE CARDIAC DEVICE WITH DYSPNEA MEASUREMENT - Cardiac monitoring and/or stimulation methods and systems employing dyspnea measurement. An implantable cardiac device may sense transthoracic impedance and determine a patient activity level. An index indicative of pulmonary function is implantably computed to detect an episode of dyspnea based on a change, trend, and/or value exceeding a threshold at a determined patient activity level. Trending one or more pulmonary function index values may be done to determine a patient's pulmonary function index profile, which may be used to adapt a cardiac therapy. A physician may be automatically alerted in response to a pulmonary function index value and/or a trend of the patient's pulmonary index being beyond a threshold. Computed pulmonary function index values and their associated patient's activity levels may be stored periodically in a memory and/or transmitted to a patient-external device. | 08-07-2014 |
20140236027 | NECKLACE-SHAPED PHYSIOLOGICAL MONITOR - The invention provides a neck-worn sensor (referred to herein as the ‘necklace’) that is a single, body-worn system that measures the following parameters from an ambulatory patient: heart rate, pulse rate, pulse oximetry, respiratory rate, temperature, thoracic fluid levels, stroke volume, cardiac output, and a parameter sensitive to blood pressure called pulse transit time. From stroke volume, a first algorithm employing a linear model can estimate the patient's pulse pressure. And from pulse pressure and pulse transit time, a second algorithm, also employing a linear algorithm, can estimate systolic blood pressure and diastolic blood pressure. Thus, the necklace can measure all five vital signs along with hemodynamic parameters. It also includes a motion-detecting accelerometer, from which it can determine motion-related parameters such as posture, degree of motion, activity level, respiratory-induced heaving of the chest, and falls. | 08-21-2014 |
20140243690 | SYSTEMS AND METHODS FOR THE ADAPTIVE DIAGNOSIS OF HEART FAILURE - A cardiac implant includes a classifier configured analyze the data for comparison to thresholds prioritized according to a Boolean decision tree. The implant can generate an indicator of alert status (i.e., alert or no alert). A supervisory device operated, for example, by a doctor can associate each indicator a marker (AE/no AE) indicating the presence or absence of an observed adverse event. In the presence of a false positive, a command for update of the thresholds of the decision tree is transmitted to the implant. A database of reference patients can be used to recreate or further update the decision tree to avoid the occurrence of false negatives. | 08-28-2014 |
20140249430 | LIFE SIGN DETECTION AND HEALTH STATE ASSESSMENT SYSTEM - A wearable platform embodied in a belt or patch provides physiological monitoring of soldiers during field operations or trauma victims at accident sites and makes health state assessments. The platform includes sensors for heart rate, body motion, respiration rate and intensity, and temperature and further contains a microprocessor and short range transmitter. An analog circuit running an algorithm obtains the R-wave period from the EKG signal and produces electrical pulses with the period between pulses corresponding to the R-wave period. A rule based processing engine having an evaluation algorithm is capable of making a medical evaluation of subject condition and determines a confidence level for the evaluation. The rules are subject to variation depending upon the subject population. The information is communicated wirelessly to a local hub for relay to a remote monitor. | 09-04-2014 |
20140276131 | Processing Impedance Signals for Breath Detection - An apparatus includes a computing device that includes a memory configured to store instructions. The computing device also includes a processor to execute the instructions to perform operations that include receiving a signal representative of electrical impedance in a chest of a patient, and, receiving a signal representative of the motion of chest compressions performed on the patient during a cardiopulmonary resuscitation (CPR) treatment. The operations also include processing the received signal representative of the motion of chest compressions to determine one or more characteristics of the motion, and, processing the received signal representative of the electrical impedance to determine parameters relevant to a production of a signal representative of airflow activities of the patient. Operations also include modifying the one or more determined parameters based on the one or more determined characteristics of the motion to produce the signal representative of airflow activities of the patient. | 09-18-2014 |
20140276132 | Automated Diagnosis-Assisting Medical Devices Utilizing Rate/Frequency Estimation - A method for processing a quasi-periodic signal includes receiving a representation of a quasi-periodic signal and removing a DC component from the received signal to produce a purely time-varying signal. The time-varying signal is filtered to produce a pre-processed signal and at least a portion of a representation of the pre-processed signal is auto-correlated with itself. A corresponding auto-correlation output is stored in a memory device for the at least portion of the representation of the pre-processed signal. A biphasic tapering function is applied to the auto-correlation output, the tapering function including a time constant parameter that is a function of the quasi-periodic signal and producing a first maximum. A representation, based on the first maximum, is stored in the memory device as an indication of a rate or a frequency of the quasi-periodic signal. | 09-18-2014 |
20140276133 | Automated Diagnosis-Assisting Medical Devices - A system includes an electronic stethoscope producing a quasi-periodic signal, a processor, and a memory device with stored instructions that, when executed by the processor, cause the system to receive a representation of the quasi-periodic signal, to remove a DC component from the received representation of the quasi-periodic signal to produce a purely time-varying signal, and to filter, the time-varying signal to produce a pre-processed signal. A portion of the pre-processed signal is auto-correlated with itself, and a corresponding auto-correlation output is stored. A biphasic tapering function is applied to the auto-correlation output and produces a first maximum, the function including a time constant parameter that is a function of the quasi-periodic signal. A representation is stored, based on the first maximum, as an indication of a rate or frequency of the quasi-periodic signal. | 09-18-2014 |
20140288440 | SYSTEMS AND METHODS FOR QUANTITATIVE CAPNOGRAM ANALYSIS - Systems and methods are disclosed herein for quantitatively identifying a patient's physiological state based on one or more capnograms. One or more capnograms are acquired, each capnogram being associated with a patient and including one or more respiratory cycles, and one or more features from the one or more respiratory cycles are extracted. One or more classifiers are provided based on the one or more extracted features, and each classifier is used to select a physiological state from one or more candidate physiological states for each of the one or more respiratory cycles. For each of the selected physiological states, a likelihood value is determined, and a physiological state of the patient is determined based on the likelihood values. | 09-25-2014 |
20140288441 | SENSING PHYSIOLOGICAL CHARACTERISTICS IN ASSOCIATION WITH EAR-RELATED DEVICES OR IMPLEMENTS - Various embodiments relate generally to electrical and electronic hardware, computer software, wired and wireless network communications, and wearable computing and audio devices for monitoring health and wellness. More specifically, disclosed are an apparatus and a method for processing signals representing physiological characteristics sensed from tissue at or adjacent an ear of an organism. In one or more embodiments, a wearable device includes a sensor terminal and a physiological sensor coupled to the sensor terminal to sense one or more signals originating at the sensor terminal. The wearable device may also include a radio frequency (“RF”) communications interface. Also, the wearable device can include a processor configured to cause generation of data representing a physiological characteristic of the organism. | 09-25-2014 |
20140288442 | METHOD AND APPARATUS FOR QUANTIFICATION AND MONITORING OF CARDIOVASCULAR FUNCTION DURING INDUCED STRESS OR PHYSICAL ACTIVITY AND AT REST - Method and apparatus for the quantification and monitoring of cardiovascular function comprising continuous determination of significant individual cardiovascular function parameters through an operator-independent accelerometer during a sample period at rest, recording the data determined, continuously monitoring these data during pharmacological stress or exercise activity, comparing the memorized data with those determined during the same time span of the sample period and comparing the changes in cardiovascular function occurring during stress or exercise vs rest, and comparing the changes in cardiovascular function occurring during recovery vs rest and vs stress or exercise. | 09-25-2014 |
20140296721 | HEALTH MANAGEMENT DEVICE - A health management device includes: a signal output unit which outputs a start signal indicating a start timing when application of an exercise load on a subject is started; an acetone detection unit which detects an acetone concentration in a biogas of the subject; a clock unit which measures time; a storage unit which stores the start signal and the acetone concentration outputted from the acetone detection unit together with the time; and a display unit which displays a first transition data group of the acetone concentration outputted from the acetone detection unit before the start signal is received, and a second transition data group of the acetone concentration outputted from the acetone detection unit after the start signal is received, based on an output from the storage unit. | 10-02-2014 |
20140309539 | IMPLANTABLE CARDIAC DEVICE ADAPTED TO EXTRACT A PATIENT'S RESPIRATORY WAVEFORMS FROM AN INTRATHORACIC OR INTRACARDIAC IMPEDANCE, PRESSURE AND/OR ACCELEROMETRY INPUT STREAM - An implantable cardiac device is provided. The implantable cardiac device includes a sensing unit adapted to measure an intrathoracic or intracardiac impedance, pressure, and/or accelerometry input stream, which includes a patient's respiratory waveforms. Furthermore, the implantable cardiac device includes a quantizer-unit adapted to sample the input stream with an initial sampling frequency Fs, providing input samples of the input stream. The implantable cardiac device further includes a filter bank | 10-16-2014 |
20140309540 | BIOSIGNAL MEASUREMENT APPARATUS AND BIOSIGNAL MEASUREMENT METHOD - A biosignal measurement apparatus includes: a potential difference measurement unit that measures a potential difference between a plurality of electrodes of an electrode unit placed on a user's chest; an ECG analysis unit that obtains an electrocardiogram (ECG) indicating a temporal variation of a cardiac potential of the user, from the potential difference measured by the potential difference measurement unit; an impedance measurement switching unit that determines a start timing of a first period which is a period not including an R wave, using the ECG obtained by the ECG analysis unit; an impedance measurement unit that measures an impedance between the plurality of electrodes in the first period; and a respiratory calculation unit that calculates respiratory information related to respiration of the user, based on a temporal variation of the impedance measured by the impedance measurement unit. | 10-16-2014 |
20140316286 | SYSTEM AND METHOD FOR DETERMINING RESPIRATORY PARAMETERS FROM BLOOD FLOW SIGNALS - A system for determining one or more respiratory parameters of an individual may include a blood flow detection device configured to detect a blood flow signal of the individual, a blood flow determination module configured to form a blood flow waveform based on the blood flow signal, and a respiratory parameter analysis module configured to analyze the blood flow waveform and determine the respiratory parameter(s) from an analysis of the blood flow waveform. | 10-23-2014 |
20140323883 | REMOTE HEALTH MONITORING SYSTEM - A data collection system collects and stores physiological data from an ambulatory patient at a high resolution and/or a high data rate (“more detailed data”) and sends a low-resolution and/or downsampled version of the data (“less detailed data”) to a remote server via a wireless network. The server automatically analyzes the less detailed data to detect an anomaly, such as an arrhythmia. A two-tiered analysis scheme is used, where the first tier is more sensitive and less specific than the second tier. If the more sensitive analysis detects or suspects the anomaly, the server signals the data collector to send more detailed data that corresponds to a time period associated with the anomaly. The more specific second tier analyses the more detailed data to verify the anomaly. The server may also store the received data and make it available to a user, such as via a graphical or tabular display. | 10-30-2014 |
20140323884 | PASSIVE PHYSIOLOGICAL MONITORING (P2M) SYSTEM - Passive physiological monitoring apparatus and method has a sensor for sensing physiological phenomenon. The sensor is a piezoelectric film of polyvinylidene fluoride. A pad may incorporate the PVDF film. The film converts mechanical energy into voltage signals. A microcomputer is used for recording, analyzing and displaying data from the sensor for on-line assessment and for providing realtime response. The sensor may be an array of sensors provided in a MEDEVAC litter or other patient support for measuring acoustic and hydraulic signals from the body of a patient for field monitoring, hospital monitoring, transport monitoring, home, remote monitoring. | 10-30-2014 |
20140330137 | SYSTEM FOR MONITORING HEART FAILURE PATIENTS FEATURING NECKLACE-SHAPED SENSOR AND DISPLAY BASED ON A CONVENTIONAL TELEVISION OR MOBILE DEVICE - The invention provides a system for monitoring a patient that includes a sensor configured to drape around the patient's neck. The sensor features an impedance sensor for measuring fluids, an ECG sensor for measuring cardiac activity, and a first wireless transceiver for transmitting this information. Integrated with the sensor is a computer, featuring a second wireless transceiver, video output system, and a computer processing unit (CPU). The CPU is configured to receive control signals from the first wireless transceiver that control a software program and the information related to fluids and cardiac activity. The software program renders a graphical user interface that displays the information through the video output system. The system also includes a conventional television set or mobile device that interfaces to the computer through the video output system and renders the graphical user interface. | 11-06-2014 |
20140330138 | SYSTEM FOR MONITORING HEART FAILURE PATIENTS FEATURING NECKLACE-SHAPED SENSOR AND DISPLAY BASED ON A CONVENTIONAL TELEVISION OR MOBILE DEVICE - The invention provides a system for monitoring a patient that includes a sensor configured to drape around the patient's neck. The sensor features an impedance sensor for measuring fluids, an ECG sensor for measuring cardiac activity, and a first wireless transceiver for transmitting this information. Integrated with the sensor is a computer, featuring a second wireless transceiver, video output system, and a computer processing unit (CPU). The CPU is configured to receive control signals from the first wireless transceiver that control a software program and the information related to fluids and cardiac activity. The software program renders a graphical user interface that displays the information through the video output system. The system also includes a conventional television set or mobile device that interfaces to the computer through the video output system and renders the graphical user interface. | 11-06-2014 |
20140330139 | SYSTEM FOR MONITORING HEART FAILURE PATIENTS FEATURING NECKLACE-SHAPED SENSOR AND DISPLAY BASED ON A CONVENTIONAL TELEVISION OR MOBILE DEVICE - The invention provides a system for monitoring a patient that includes a sensor configured to drape around the patient's neck. The sensor features an impedance sensor for measuring fluids, an ECG sensor for measuring cardiac activity, and a first wireless transceiver for transmitting this information. Integrated with the sensor is a computer, featuring a second wireless transceiver, video output system, and a computer processing unit (CPU). The CPU is configured to receive control signals from the first wireless transceiver that control a software program and the information related to fluids and cardiac activity. The software program renders a graphical user interface that displays the information through the video output system. The system also includes a conventional television set or mobile device that interfaces to the computer through the video output system and renders the graphical user interface. | 11-06-2014 |
20140330140 | SYSTEM FOR MONITORING HEART FAILURE PATIENTS FEATURING NECKLACE-SHAPED SENSOR AND DISPLAY BASED ON A CONVENTIONAL TELEVISION OR MOBILE DEVICE - The invention provides a system for monitoring a patient that includes a sensor configured to drape around the patient's neck. The sensor features an impedance sensor for measuring fluids, an ECG sensor for measuring cardiac activity, and a first wireless transceiver for transmitting this information. Integrated with the sensor is a computer, featuring a second wireless transceiver, video output system, and a computer processing unit (CPU). The CPU is configured to receive control signals from the first wireless transceiver that control a software program and the information related to fluids and cardiac activity. The software program renders a graphical user interface that displays the information through the video output system. The system also includes a conventional television set or mobile device that interfaces to the computer through the video output system and renders the graphical user interface. | 11-06-2014 |
20140330141 | SYSTEM FOR MONITORING HEART FAILURE PATIENTS FEATURING NECKLACE-SHAPED SENSOR AND DISPLAY BASED ON A CONVENTIONAL TELEVISION OR MOBILE DEVICE - The invention provides a system for monitoring a patient that includes a sensor configured to drape around the patient's neck. The sensor features an impedance sensor for measuring fluids, an ECG sensor for measuring cardiac activity, and a first wireless transceiver for transmitting this information. Integrated with the sensor is a computer, featuring a second wireless transceiver, video output system, and a computer processing unit (CPU). The CPU is configured to receive control signals from the first wireless transceiver that control a software program and the information related to fluids and cardiac activity. The software program renders a graphical user interface that displays the information through the video output system. The system also includes a conventional television set or mobile device that interfaces to the computer through the video output system and renders the graphical user interface. | 11-06-2014 |
20140330142 | SYSTEM FOR MONITORING HEART FAILURE PATIENTS FEATURING NECKLACE-SHAPED SENSOR AND DISPLAY BASED ON A CONVENTIONAL TELEVISION OR MOBILE DEVICE - The invention provides a system for monitoring a patient that includes a sensor configured to drape around the patient's neck. The sensor features an impedance sensor for measuring fluids, an ECG sensor for measuring cardiac activity, and a first wireless transceiver for transmitting this information. Integrated with the sensor is a computer, featuring a second wireless transceiver, video output system, and a computer processing unit (CPU). The CPU is configured to receive control signals from the first wireless transceiver that control a software program and the information related to fluids and cardiac activity. The software program renders a graphical user interface that displays the information through the video output system. The system also includes a conventional television set or mobile device that interfaces to the computer through the video output system and renders the graphical user interface. | 11-06-2014 |
20140343438 | METHODS AND APPARATUS FOR DETECTING HEART FAILURE EVENT USING PATIENT CHRONIC CONDITIONS - Devices and methods for detecting physiological target event such as events indicative of HF decompensation status are described. A medical device is configured to receive at least a first and a second chronic condition indictors of a patient, receive one or more physiologic signals from the patient, and generate a plurality of signal metrics when the first and the second chronic condition indicators meet their respective criterion. The medical device can detect the target event or condition using one or more patient-specific signal metrics selected from a group including both the first and the second set of the signal metrics. The medical device and the methods can be configured to detect an event indicative of HF decompensation. | 11-20-2014 |
20140343439 | METHODS AND APPARATUS FOR STRATIFYING RISK OF HEART FAILURE DECOMPENSATION - Devices and methods for identifying patient at elevated risk of developing future heart failure (HF) events, such as events indicative of HF decompensation status, are described. The devices and methods can stratify the risk using sensor signals or signal metrics selected in accordance with patient chronic conditions. A medical device can receive a patient status input including at least a first and a second chronic condition indicators, sense one or more physiologic signals from the patient, and generate a plurality of signal metrics from the physiologic signals when the first chronic condition indicator and the second chronic condition indicator meets respective criterion. One or more patient-specific signal metrics can be selected from a group including the signal metrics selected for both the first and the second chronic conditions. A risk stratification algorithm can use the selected one or more patient-specific signal metrics to compute a composite risk index indicative of the probability of the patient later developing an event indicative of worsening of HF. | 11-20-2014 |
20140343440 | AUTOMATED INTERPRETIVE MEDICAL CARE SYSTEM AND METHODOLOGY - Improved apparatus and methods for monitoring, diagnosing and treating at least one medical respiratory condition of a patient are provided, including a medical data input interface adapted to provide at least one medical parameter relating at least to the respiration of the patient, and a medical parameter interpretation functionality ( | 11-20-2014 |
20140358014 | SLEEP MONITORING SYSTEM - A sleep monitoring system includes an ECG device ( | 12-04-2014 |
20140371604 | METHOD AND APPARATUS FOR REMOTE DETECTION AND MONITORING OF FUNCTIONAL CHRONOTROPIC INCOMPETENCE - Methods and apparatus to determine the presence of and track functional chronotropic incompetence (hereinafter “CI”) in an in-home setting under conditions of daily living. The functional CI of the patient may be determined with one or more of a profile of measured patient heart rates, a measured maximum patient heart rate, or a peak of the heart rate profile. The functional CI of the patient may be determined with the measured heart rate profile, in which the measured heart rate profile may correspond to heart rates substantially less than the maximum heart rate of the patient, such that the heart rate can be safely measured when the patient is remote from a health care provider. The functional CI of the patient may be determined based a peak of the remotely measured heart rate profile, for example a peak corresponding to the mode of the heart rate distribution profile. | 12-18-2014 |
20140371605 | APPARATUS AND METHOD FOR MONITORING SITUATIONS DANGEROUS TO THE HUMAN BODY - Provided are an apparatus and a method for monitoring a dangerous situation of a human body. The dangerous situation such as the apnea or suffocation of the human body is determined based on variations in one of a cardiac impulse amplitude signal and a respiration amplitude signal of the human body and is transmitted to a wired or wireless terminal, thereby monitoring the dangerous situation of the human body in a sleep state. | 12-18-2014 |
20140371606 | AUTOMATED INTERPRETIVE MEDICAL CARE SYSTEM AND METHODOLOGY - Improved apparatus and methods for monitoring, diagnosing and treating at least one medical respiratory condition of a patient are provided, including a medical data input interface adapted to provide at least one medical parameter relating at least to the respiration of the patient, and a medical parameter interpretation functionality ( | 12-18-2014 |
20140378849 | METHOD AND APPARATUS TO MONITOR PHYSIOLOGIC AND BIOMETRIC PARAMETERS USING A NON-INVASIVE SET OF TRANSDUCERS - Method and apparatus for quantitative and qualitative determination of heart rate, stroke volume, cardiac output, and central fluid volume. Phonocardiography based technique using multiple transducers and multi-sensor processing algorithms provides a non-invasive method of evaluating the output of the heart. This basic system coupled with additional sensor elements provides a wide range of potential capabilities. A system comprising these techniques in a wearable form provides a non-invasive method of determining hydration status and blood volume status. Phonocardiography augmented with multi-sensor signal processing techniques improves signal quality to analyze heart sounds and associated features (e.g. S1 and S2, amongst others). Noise compensation and cancellation techniques for phonocardiography further improve signal to noise ratio to reject external disturbances. | 12-25-2014 |
20150011899 | DEVICE AND METHOD FOR MONITORING VARIATION OF ANIMAL RESPIRATION AND/OR HEARTBEAT - A method of monitoring variation in either or both respiration and heartbeat of an animal comprising the steps of vibrating a piezoelectric vibrator by continuously or intermittently applying an AC voltage of a frequency corresponding to a natural resonance frequency of the vibrator to the piezoelectric vibrator under such condition that the vibrator is placed directly or indirectly in contact with the surface of the animal's body; collecting a current generated by the vibrator under vibration; and calculating an impedance of the vibrator from a value of the current and a value of the AC voltage applied to the vibrator so as to continuously or intermittently detect variation of the impedance by lapse of time is effective to monitor variation of respiration and/or heartbeat of animals including humans who are in sleep or under exercise and take a variety of positions with high sensitivity. | 01-08-2015 |
20150018694 | RESUSCITATION ASSEMBLY WITH PEEP VALVE - Resuscitation assembly (101) comprising a patient mask (107), a ventilation bag (105), an inflation valve (113), an exhalation valve (111), and an expiration indicator (119). The expiration indicator (119) is a positive end expiratory pressure valve in the form of a slit valve that exhibits a slit (131) in a flexible sheet part (125). Also disclosed is a resuscitation assembly (101) comprising a patient mask (107), a ventilation bag (105), an inflation valve (113), an exhalation valve (111), a positive end expiratory pressure valve (119), and a pressure sensor (133) adapted to measure pressure on the patient side (127) of the positive end expiratory pressure valve (119). | 01-15-2015 |
20150018695 | Defibrillator Display - Systems and methods related to the field of cardiac resuscitation, and in particular to devices for assisting rescuers in performing cardio-pulmonary resuscitation (CPR) are described herein. | 01-15-2015 |
20150025395 | BREATHING ANALYSIS METHOD, SYSTEM, AND APPARATUS - In a breathing analysis method using an electrocardiogram of a user, a breathing curve is generated according to R waves in the electrocardiogram, and whether the user is currently taking a breathing out action or a breathing in action is detected according to the breathing curve. A duration of the breathing in action or the breathing out action of the user is computed according to the breathing curve, and a ratio of the duration and a standard time of the breathing in action or the breathing out action is computed. A breathing in or out progress is displayed in a progress demonstration bar on the display device according to the ratio. | 01-22-2015 |
20150038856 | METHOD AND APPARATUS FOR ESTIMATING MYOCARDIAL CONTRACTILITY USING PRECORDIAL VIBRATION - A method and apparatus for assessment of cardiac contractility in a subject by recording precordial acceleration signals. This includes, but is not limited to, the method and apparatus of seismocardiography (SCG). | 02-05-2015 |
20150065894 | METHOD AND APPARATUS FOR DETERMINING INFORMATION INDICATIVE OF CARDIAC MALFUNCTIONS AND ABNORMALITIES - An apparatus for determining information indicative of cardiac malfunctions and abnormalities includes a processing device ( | 03-05-2015 |
20150088006 | METHOD FOR DETERMINING AEROBIC CAPACITY - A method of estimating the maximal oxygen uptake of an individual on the basis of heart rate data, biometric data, biomechanical data, and geophysical data is described. These data can be collected as the individual engages in activities requiring various levels of exertion, without modifying those activities from the ordinary manner in which they are performed. In particular, in some embodiments the method described here obviates the conventional need for a laboratory setting when estimating maximal oxygen uptake and the method can be applied to estimate maximal oxygen uptake under more natural conditions than conventional testing protocols requiring treadmills or stationary ergometers typically permit. Furthermore, it is described how such estimates of maximal oxygen uptake can be used to estimate other quantities of interest, including fat and carbohydrate metabolism, lactate production, and water and electrolyte loss during exercise. | 03-26-2015 |
20150088007 | Computer-Implemented System And Method For Providing A Personal Mobile Device-Triggered Medical Intervention - Physiological monitoring can be provided through a wearable monitor that includes two components, a flexible extended wear electrode patch and a removable reusable monitor recorder. The wearable monitor sits centrally on the patient's chest along the sternum oriented top-to-bottom. The placement of the wearable monitor in a location at the sternal midline (or immediately to either side of the sternum) benefits extended wear by removing the requirement that ECG electrodes be continually placed in the same spots on the skin throughout the monitoring period. The wearable monitor can interoperate wirelessly with other physiology and activity sensors and mobile devices. An application executed by the sensor or device can trigger the dispatch of a wearable monitor to the patient upon detecting potentially medically-significant events. The dispatched wearable monitor would then be capable of providing precise medically-actionable data, not merely an alert that some abnormality may be present. The patient can then use the sensor or device to physically record the placement and use of the medically-actionable wearable monitor, thereby facilitating the authentication of the data recorded. | 03-26-2015 |
20150119727 | APPARATUS AND METHOD FOR HEART AND LUNG SOUNDS AUSCULTATION AND TEMPERATURE MEASUREMENTS - The present invention is an esophageal stethoscope with a temperature sensor and earpiece. An esophageal stethoscope has a tube with a first end and a second end, where a sound-transmitting hydrophobic cuff covers the first end of the tube. The first end of the tube has a plurality of lateral openings and a thermistor extending from the first end but within the cuff. The second end of the tube is attached to a connector and has a temperature sensor sub-assembly that extends out of the second end and is connected to the thermistor. A monoscope tube is attached to the connector at a first end and has a memory foam earpiece at a second end. The monoscope tube also preferably has a clip near the earpiece. To facilitate sound transmission, monoscope tubes of different ID sizes are used. | 04-30-2015 |
20150119728 | HEALTH MONITOR - Apparatuses and methods are disclosed for monitoring and evaluating exercise-related activities performed by a subject. A health monitor comprising an accelerometer, at least one physiological sensor, and digital processor is configured to be supported by a subject and identify an activity type (e.g., running, biking, swimming) from among a plurality of different activities. The health monitor is further configured to determine from motion data and/or cardiac data levels of health benefits received from the exercise. The health benefits may be based on standards established by recognizable health entities, so that the reported health benefits are less susceptible to errors associated with conventional step counting. | 04-30-2015 |
20150119729 | ACTIVE IMPLANTABLE MEDICAL DEVICE FOR THE DIAGNOSIS OF HEART FAILURE - Methods, devices, and processor-readable storage media are provided for the diagnosis of heart failure. One method includes collecting, using an implantable device, reference episodes; generating an in-suspicion model-cycle and an off-suspicion model-cycle based on the reference episodes; and determining whether to generate a heart failure alert, based on a difference between the in-suspicion model-cycle and the off-suspicion model-cycle. | 04-30-2015 |
20150126877 | Seat Having Integrated EKG-Electrodes - A bio-measurement data recording device has a seat which has a back surface made of a foam material, a seat surface, and a plurality of back surface sensors embedded in the back surface such that a plurality of leads for an electrocardiogram of a the person can be received. At least two seat surface sensors are embedded in the seat surface. A left hand grip is arranged such that it can be gripped by the person with the left hand and which has a left hand grip sensor or conducting a channel for the electrocardiogram, and a right hand grip is arranged such that it can be gripped by said person with the right hand and which has a right hand grip sensor for conducting a channel for the electrocardiogram. An evaluation unit is connected to the sensors and is configured to ascertain the electrocardiogram. | 05-07-2015 |
20150126878 | HEART FAILURE EVENT DETECTION AND RISK STRATIFICATION USING HEART SOUND - Devices and methods for detecting heart failure (HF) events or identifying patient at elevated risk of developing future HF events are described. A medical device can detect contextual condition associated with a patient, such as an environmental context or a physiologic context, sense a heart sound signal, and perform multiple measurements of heart sound features in response to the detected patient contextual condition meeting specified criterion. The contextual condition includes information correlating to or indicative of a change in metabolic demand of a patient. The medical device can use the physiologic signals to calculate one or more signal metrics indicative of diastolic function of the heart such as a trend of the heart sound features. The medical device can use the signal metrics to detect an HF event or to predict the likelihood of the patient later developing an HF event. | 05-07-2015 |
20150126879 | METHOD, APPARATUS, AND SYSTEM FOR MEASURING RESPIRATORY EFFORT - A method, apparatus, and system for measuring respiratory effort of a subject are provided. A thorax effort signal and an abdomen effort signal are obtained. The thorax effort signal and the abdomen effort signal are each divided into a volume-contributing component of the respiratory effort and a paradox component. The paradox component represents a non-volume-contributing component of the respiratory effort. The abdomen paradox component is negatively proportional to the thoracic paradox component. The thorax effort signal or the abdomen effort signal or both are weighted by a weight factor to obtain a volume-proportional signal. The volume-proportional signal is proportional to the actual respiratory volume of the respiratory effort. A calibration factor for calibrating the thorax effort signal and the abdomen effort signal is obtained by optimizing the weight factor by minimizing thoracic paradox component and the abdomen paradox component. | 05-07-2015 |
20150133795 | SYSTEM AND METHOD FOR RISK STRATIFICATION BASED ON DYNAMIC NONLINEAR ANALYSIS AND COMPARISON OF CARDIAC REPOLARIZATION WITH OTHER PHYSIOLOGICAL SIGNALS - In accordance with an aspect of the present invention, a system and method allows for the assessment of health and mortality based on dynamic nonlinear calculations of self-similar fluctuation patterns in a time series of QT intervals and of other physiological signals, such as RR intervals, temperature, blood pressure, respiration, saturation of peripheral oxygen, intracardiac pressures, and electroencephalogram. In order to nonlinearly determine health and mortality, time series of QT intervals and of other physiological signals (e.g.. RR intervals) are simultaneously obtained, and entropy values are calculated for each signal over the same temporal interval. “EntropyX” is calculated from relative changes between moments and entropy of QT intervals and those of other physiological signals over seconds to days. The absolute and relative entropy values at a specific time point and/or subsequent changes in entropy over future time points can be used to determine a treatment plan for the subject. | 05-14-2015 |
20150133796 | SYSTEMS AND METHODS FOR USING PHYSIOLOGICAL INFORMATION - Systems and methods using a database of physiological information for the design, development, testing and use of therapeutics. In one aspect, the physiological information can include at least one of: hemodynamic monitoring information, pulmonary arterial pressure, cardiac output, heart rate, respiratory rate, peripheral vascular resistance, total peripheral resistance or dicrotic notch information. Optionally, the cardiovascular physiology information can include ambulatory physiological information. | 05-14-2015 |
20150133797 | MEDICAL WORKSTATION WITH INTEGRATED SUPPORT OF PROCESS STEPS | 05-14-2015 |
20150141852 | Detection Device for Bedding for Sleep Monitoring - A detection device, for placement under or on a mattress, configured for the movements of a person lying on the mattress, includes a sensing portion having an inflatable chamber intended to be positioned under the individual, an electronic unit arranged at a distance from the sensing portion and having a pressure sensor, intended to be positioned outside of the bedding, a transmitting portion interposed between the sensing portion and the electronic unit, including a channel establishing a fluid connection between the inflatable chamber and the sensor, the channel having a transverse dimension (T) that is much smaller than the width (L | 05-21-2015 |
20150289803 | METHOD AND SYSTEM OF SLEEP DETECTION - A sleep detection system and method are provided. In the sleep detection system, a sensor device is configured to measure a heart rate of a user; a measuring device is configured to receive the heart rate, and measure an activity level of the user and calculate an energy-expenditure value according to the heart rate, the activity level and personal parameters of the user; and a receiving device is configured to receive the energy-expenditure value from the measuring device and generate a sleep analysis result according to the energy-expenditure and to display the sleep analysis result. | 10-15-2015 |
20150297133 | METHOD AND SYSTEM FOR DETERMINING A VENTILATORY THRESHOLD - A method of determining the ventilatory threshold of a subject in real time during an exercise session wherein data relating to physiological parameters of said subject are acquired and stored in function of time during the exercise session, said data including at least data indicative of the respiration and of the heart beat rate. The method includes a VT determination routine comprising the steps of: a) computing a first value of ventilatory threshold according to a first approach based on data relating to at least one of the physiological parameters acquired for the exercise session; b) computing a second value of ventilatory threshold according to a different, second approach based on data relating to at least one of the physiological parameters acquired for the exercise session; c) determining a confidence index for each of said first and second values of ventilatory threshold, wherein said confidence index reflects at least one of the detectability of the ventilatory threshold and the matching between the value of ventilatory threshold according to one approach and that according to the other approach. | 10-22-2015 |
20150297171 | SYSTEMS AND METHODS FOR ACOUSTICALLY OR ELECTRONICALLY MONITORING CHEST SOUNDS - The present invention relates to hybrid acoustic and electronic stethoscope. In one embodiment, the hybrid acoustic and electronic stethoscope includes a chest piece having a diaphragm, an acoustic selector, a microphone and a speaker. The microphone converts acoustic pressure signals from the diaphragm into corresponding electronic signals which can be outputted as processed acoustic signals via the speaker. The acoustic selector can select either the diaphragm or the speaker. A pair of binaurals is acoustically coupled to the acoustic selector via an acoustic conduit. In turn, the binaurals provides the acoustic pressure signals or the processed acoustic signals to a user. | 10-22-2015 |
20150335255 | METHOD AND APPARATUS FOR MANAGEMENT OF HEART FAILURE HOSPITALIZATION - A hospitalization management system including a heart failure analyzer that receives diagnostic data including at least sensor data representative of one or more physiological signals sensed from a hospitalized patient using one or more sensors and assesses risk of rehospitalization for the patient using the diagnostic data. The outcome of the risk assessment is used during and following the patient's hospitalization for reducing the risk of rehospitalization. | 11-26-2015 |
20150342466 | SYSTEM AND METHODS FOR DETECTING ATRIAL TACHYARRHYTHMIA USING HEMODYNAMIC SENSORS - Systems and methods for detecting atrial tachyarrhythmias such as atrial fibrillation (AF) are disclosed. A medical system can sense a heart rate (HR) output and a hemodynamic status output. An AF detector circuit automatically determines a first detection criterion and a different second detection criterion. The first detection criterion can be more sensitive to the presence of the AF episode than the second detection criterion, and the second detection criterion can be more specific to the AF episode than the first detection criterion. The AF detector circuit detects an AF onset event using the first detection criterion and at least one of the heart rate output or the hemodynamic status output, and detects an AF termination event using the second detection criterion and at least one of the heart rate output or the hemodynamic status output. | 12-03-2015 |
20150342487 | SYSTEMS AND METHODS FOR EVALUATING HEMODYNAMIC RESPONSE TO ATRIAL FIBRILLATION - Systems and methods for assessing hemodynamic status of a patient experiencing atrial tachyarrhythmia such as an atrial fibrillation (AF) episode are disclosed. A system can comprise an atrial tachyarrhythmia detection circuit configured to detect an AF episode, a hemodynamic sensor circuit configured to sense at least one hemodynamic signal, and a hemodynamic status analyzer circuit that can calculate one or more signal metrics using the sensed hemodynamic signal during the AF episode. The hemodynamic status analyzer circuit can categorize the hemodynamic status of the patient into one of two or more categorical hemodynamic status levels which indicate elevated hemodynamic impact of the detected AF episode. A user interface can provide to an end-user a presentation of the categorized hemodynamic status level during AF. | 12-03-2015 |
20150342540 | HEART FAILURE EVENT DETECTION AND RISK STRATIFICATION USING HEART RATE TREND - Systems and methods for detecting heart failure (HF) events or identifying patient at elevated risk of developing future HF events such as HF decompensation are described. A medical system can detect a contextual condition associated with a patient, including an environmental context or a physiologic context. The contextual condition includes information indicative or correlative of a change in metabolic demand. The system can include a heart rate (HR) analyzer circuit that extracts a HR feature from a cardiac activity signal, and perform multiple HR feature measurements in response to the detected patient contextual condition meeting a specified criterion. The system can calculate one or more signal metrics including a HR metric using the HR feature measurements. The system can detect an HF event using the signal metrics, or use the signal metrics to calculate a composite risk indicator indicative of the patient's likelihood of developing a future HF event. | 12-03-2015 |
20150351660 | ABSOLUTE THORACIC IMPEDANCE FOR HEART FAILURE RISK STRATIFICATION - An apparatus may include a sensing circuit configured to generate a sensed physiological signal representative of thoracic impedance of a subject and a controller circuit. The a controller circuit is electrically coupled to the sensing circuit and includes a measurement circuit that determines a measure of absolute thoracic impedance using the sensed physiological signal, and a risk circuit that quantifies a risk of worsening heart failure (WHF) for the subject using a comparison of the determined measure of absolute thoracic impedance to a specified threshold value of absolute thoracic impedance, and generate an indication of risk of WHF of the subject according to the quantifying of the risk. | 12-10-2015 |
20150351700 | METHODS AND SYSTEMS FOR MONITORING OF HUMAN BIOLOGICAL SIGNALS - Introduced are methods and systems for monitoring human biological signals, analyzing the human biological signals, and based on the analysis, generating notifications to exercise, notifications of possible disease onset, or an alarm requiring immediate help. | 12-10-2015 |
20150359442 | Method, Logic Unit and System for Determining a Parameter Representative for the Patient's Volume Responsiveness - The invention refers to a method of determining an indicator that is representative for a patient's volume responsiveness, comprising the following steps: (i) measuring a sequence of pulse signals of a patient; (ii) determining an envelope(signal)-curve based on the sequence of measured pulse signals; (iii) determining a fit(envelope(signal))-function based on the previously determined envelope(signal)-curve, the fit(envelope(signal))-function representing an idealised curve progression of the envelope(signal)-curve without comprising pulse variations caused by ventilation or respiration induced heart-lung interaction; (iv) determining respiratory pulse variation signals corresponding to the pulse variations caused by ventilation or respiration induced heart-lung interaction; (v) determining an envelope(respiration)-curve based on the previously determined respiratory pulse variation signals; (vi) determining a fit(envelope(respiration))-function based on the previously determined envelope(respiration)-curve, the fit(envelope(respiration))-function representing an idealised curve progression of the envelope(respiration)-curve; (vii) determining the indicator that is representative for the patient's volume responsiveness based on the fit(envelope(signal))-function and the fit(envelope(respiration))-function. The invention also relates to a logic unit and a system, both for determining an indicator representative for the patient's volume responsiveness. | 12-17-2015 |
20150374279 | SLEEP STATE ESTIMATION DEVICE, METHOD AND STORAGE MEDIUM - According to one embodiment, a sleep state estimation device attached to a user during sleep and used is provided. The device includes a first detector, a first estimation module, a second detector, and a second estimation module. The first detector is configured to detect a first signal, to estimate a first state of the user. The first estimation module is configured to estimate the user's first state, based on the first signal. The second detector is configured to detect a second signal to estimate a second state of the user other than the user's first state. The second estimation module is configured to estimate the user's second state by using the second signal, based on an estimation method determined in accordance with the first signal. | 12-31-2015 |
20160000336 | IMPROVEMENTS IN HEART ACTIVITY MONITORING DURING PHYSICAL EXERCISE - A method, apparatus, and computer program monitor a user's heart activity during a physical exercise. A heart activity measurement signal representing the user's heart activity is acquired and a phase component of the heart activity measurement signal is monitored. On the basis of the monitoring of the phase component, one or more actions are carried out. | 01-07-2016 |
20160007931 | METHOD FOR DETERMINING A PERSON'S SLEEPING PHASE WHICH IS FAVOURABLE FOR WAKING UP | 01-14-2016 |
20160066801 | PULSE TRANSMIT TIME MEASUREMENT DEVICE AND METHOD - Proposed is a Pulse Transit Time, PTT, measurement concept wherein a forced oscillation technique, FOT, is used to determine a pulse arrival time at alveoli of the lungs of a patient. | 03-10-2016 |
20160066857 | Device-Based Activity Classification Using Predictive Feature Analysis - Device-based activity classification using predictive feature analysis is described, including receiving a signal from a sensor configured to measure a heart rate coupled to a device, the sensor being configured to sense the signal over a time period, evaluating the signal to generate data associated with the heart rate, the data being further evaluated to select a classifier, invoking the classifier, the classifier being configured to evaluate the data to identify a predictive feature, the predictive feature invoking an application configured to determine a state using a feature interpreter, the application also being configured to evaluate other data from another signal, the signal being configured to detect a respiration rate, and processing the data and the other data using the application and the feature interpreter to generate information associated with sleep, the information being configured to display on an interface associated with the device. | 03-10-2016 |
20160066879 | ACOUSTIC SENSOR ASSEMBLY - An acoustic sensor is configured to provide accurate and robust measurement of bodily sounds under a variety of conditions, such as in noisy environments or in situations in which stress, strain, or movement may be imparted onto a sensor with respect to a patient. Embodiments of the sensor provide a conformable electrical shielding, as well as improved acoustic and mechanical coupling between the sensor and the measurement site. | 03-10-2016 |
20160073905 | BLOOD PRESSURE MEASURING DEVICE AND BLOOD PRESSURE MEASURING METHOD - Measurement data of a blood vessel is generated based on a measurement result of the blood vessel obtained by a blood vessel diameter measurement unit, and a breathing period estimating section estimates a breathing period corresponding to a breathing cycle based on the measurement data. A blood pressure calculating section calculates blood pressure relevant to the blood vessel based on the measurement data. An average calculating section calculates the average of the blood pressure calculated by the blood pressure calculating section in the breathing period estimated by the breathing period estimating section. | 03-17-2016 |
20160073906 | BIOSIGNAL DETERMINING DEVICE AND BIOSIGNAL DETERMINING METHOD - A biosignal determining device includes: an instruction output circuit which outputs a first instruction, a second instruction, and a third instruction to a user, the first instruction is for asking the user to perform an inhaling or exhaling motion to a limit, a second instruction is for asking the user to stop the motion, and a third instruction is for asking the user to perform a motion reverse to the motion to a limit; a detection circuit which obtains a first cardiography representing a potential difference between two electrodes disposed on a chest of the user, the first cardiography measured between a time when the second instruction is outputted and a time when the third instruction is outputted, and detects a plurality of peaks included in the first cardiography; and a determination circuit which determines whether the user has performed the motion asked in the first instruction to the limit depending on whether potential values of the plurality of peaks are included in a predetermined range. | 03-17-2016 |
20160073907 | SYSTEMS AND METHODS TO DETERMINE HR, RR AND CLASSIFY CARDIAC RHYTHMS BASED ON ATRIAL IEGM AND ATRIAL PRESSURE SIGNALS - Systems, devices and methods described herein can be used to monitor and treat cardiovascular disease, and more specifically, can be used to determine heart rate (HR), determine respiration rate (RR) and classify cardiac rhythms based on atrial intracardiac electrogram (IEGM) and atrial pressure (AP) signals. The atrial IEGM and AP signals are subject to spectrum transforms to obtain an atrial IEGM frequency spectrum and an AP frequency spectrum. Based on peaks in the atrial IEGM and AP frequency spectrums measures of HR and RR are determined, and arrhythmias are detected and/or arrhythmia discrimination is performed. | 03-17-2016 |
20160074674 | COMBINED RESPIRATION AND CARDIAC GATING FOR RADIOTHERAPY USING ELECTRICAL IMPEDANCE TECHNOLOGY - A gating system uses measurements of electrical impedance of a subject to provide simultaneous gating for respiratory and cardiac motion. The gating is based on the change in bio impedance that occurs across trans-thoracic electrodes during breathing and cardiac motion. These quantities can be measured non-invasively in real time by transmitting a known low-amplitude and low-frequency current and measuring voltage drop across electrodes attached to the thorax. The gating signals may control delivery of radiation by a radiotherapy device or an imaging device. | 03-17-2016 |
20160089089 | SYSTEMS AND METHODS FOR DIGITAL PREDICTIVE DISEASE EXACERBATION AND PRE-EMPTIVE TREATMENT - The system described herein collects patient data passively and non-passively via onboard and external sensors, and combines the data with past clinical history to generate digital biomarkers. The collected data can also be further combined with other data generating systems to more accurately predict disease exacerbations. The system monitors the digital biomarkers in real-time, and can detect a change in the disease state prior to clinical decompensation and suggest pre-emptive intervention. The system enables a patient to be treated early in the clinical timeline when the disease exacerbation is at the subclinical level rather than waiting until the disease exacerbation reaches the clinical level. Acting when the exacerbation is at the subclinical level enables preemptive treatment rather than reactive treatment, which is often more cost effective while improving clinical outcomes. The system is able to make the predictions by detecting subclinical changes in digital biomarkers that are generated from respiratory, cardiac, patient reported symptoms, user behaviors, and environmental triggers. | 03-31-2016 |
20160095528 | CIRCUIT ARRANGEMENT FOR SUPPRESSING COMMON-MODE INTERFERENCE SIGNALS DURING THE MEASUREMENT OF BIOELECTRIC SIGNALS - A differential voltage measuring system includes two electrodes that are connected to a patient at an input and make available a respective measurement contact at an output. A shunt resistor is connected in series with the second electrode. A first amplifier circuit has a first input for a first signal from the first electrode, a second input for a second signal from the second electrode, and an output. A second amplifier circuit has a first input that is connected in series with the shunt resistor, a second input that is connected in parallel with the shunt resistor, and an output. A first signal detection unit is provided at the output of the first amplifier circuit, and a second signal detection unit is provided at the output of the second amplifier circuit. The second signal detection unit detects the signal from the second amplifier circuit as a measurement variable. | 04-07-2016 |
20160095529 | SELF-CONTAINED CARDIAC RESPONSE UNIT - An apparatus includes a housing including a first side and a second side; a chest compression sensor coupled with the second side of the housing; at least one compartment partially formed by one of the first side and the second side of the housing; and at least one removable defibrillator electrode pad contained in the at least one compartment partially formed by one of the first side and the second side of the housing. | 04-07-2016 |
20160100804 | METHOD FOR MEASURING A PHYSIOLOGICAL PARAMETER, SUCH AS A BIOLOGICAL RHYTHM, ON THE BASIS OF AT LEAST TWO SENSORS, AND ASSOCIATED MEASUREMENT DEVICE - A method for measuring a physiological parameter, such as a biological rhythm, on the basis of at least two sensors, and to an associated measurement device. The method includes the following steps of: measuring the physiological parameter for each sensor, allowing the generation of a series of measurements of at least two values; evaluating the level of consistency of each value from the measurement series; selecting a value from the set of values in the series as a function of the corresponding level of consistency and a so-called reference value, in order to determine a new reference value; and storing the new reference value. | 04-14-2016 |
20160106992 | PULSE DETECTION APPARATUS, SOFTWARE, AND METHODS USING PATIENT PHYSIOLOGICAL SIGNALS - Appropriate cardiac therapy is determined by data sensed and analyzed by the disclosed defibrillators and other medical devices that one or both of treat and monitor a patient. The disclosed devices sense various patient physiological parameters including patient pulse and breathing data to determine whether the patient has a pulse and to determine if the patient is breathing. Depending on the analysis of the generated patient physiological data, the disclosed devices determine the appropriate therapy for the patient, which can include providing breathing assistance to the patient and providing electrotherapy and other therapies to the patient. Some of the disclosed medical devices can be wearable by the patient. The disclosed devices can include therapy modules like electrotherapy for delivering therapies to the patient while other devices monitor but do not deliver the therapies to the patient. | 04-21-2016 |
20160128638 | SYSTEM AND METHOD FOR DETECTING AND QUANTIFYING DEVIATIONS FROM PHYSIOLOGICAL SIGNALS NORMALITY - A system for detecting and quantifying deviations from physiological signals normality and methods for making and using same. Each subject physiology follows unique patterns. The physiological signals can be affected by one or more factors such as circadian rhythm, disease and/or external stressors. Deviations of physiological signals from the normality of a subject can be indicative of external events that might require proper lifestyle management or just in time interventions, such as being exposed to high stress or the progress/onset of specific disease conditions. The disclosed system advantageously can quantify such deviations. | 05-12-2016 |
20160135734 | COMBINATION THERAPY FOR SLEEP DISORDERED BREATHING AND HEART FAILURE - Methods and apparatus provide evaluation of a cardiac condition of a patient with sleep disordered breathing. One or more processors, such as processors associated with any of ICDs, CRTs and/or respiratory pressure therapy devices, may be configured to receive data representing one or more respiratory parameters for the patient. The processor(s) may receive cardiac-related patient data for the patient. The processor(s) may determine a presence of a smooth hemodynamic baseline from the received data representing one or more respiratory parameters for the patient. The processors may evaluate the cardiac condition of the patient from the received cardiac-related patient data based on the determined presence of the smooth hemodynamic baseline. | 05-19-2016 |
20160150980 | VASCULAR BRANCH CHARACTERIZATION | 06-02-2016 |
20160151000 | TRUNK MUSCLE CONTRACTION DETECTION APPARATUS | 06-02-2016 |
20160151016 | METHODS FOR DEFINING AEROBIC EXERCISE TRAINING ZONES FOR USE IN AN EXERCISE TRAINING PRESCRIPTION AND FOR PROVIDING FEEDBACK ON COMPLIANCE WITH THE PRESCRIPTION | 06-02-2016 |
20160151021 | SYSTEM AND METHOD FOR DETECTING DRIVER'S SUDDEN HEART ATTACK | 06-02-2016 |
20160157734 | PASSIVE PHYSIOLOGICAL MONITORING (P2M) SYSTEM - Passive physiological monitoring apparatus and method has a sensor for sensing physiological phenomenon. The sensor is a piezoelectric film of polyvinylidene fluoride. A pad may incorporate the PVDF film. The film converts mechanical energy into voltage signals. A microcomputer is used for recording, analyzing and displaying data from the sensor for on-line assessment and for providing realtime response. The sensor may be an array of sensors provided in a MEDEVAC litter or other patient support for measuring acoustic and hydraulic signals from the body of a patient for field monitoring, hospital monitoring, transport monitoring, home, remote monitoring. | 06-09-2016 |
20160198956 | EXERCISE LOAD DETERMINATION METHOD AND EXERCISE LOAD DETERMINATION DEVICE | 07-14-2016 |
20170231505 | METHOD TO TRIGGER STORAGE OF ONSET OF PHYSIOLOGIC CONDITION IN AN IMPLANTABLE DEVICE | 08-17-2017 |
20170231526 | Device and Method for Assessing Respiratory Data in a Monitored Subject | 08-17-2017 |
20170231576 | SENSOR INFORMATION PROCESSING APPARATUS | 08-17-2017 |
20180020928 | PATIENT MONITORING METHOD AND MONITORING DEVICE | 01-25-2018 |
20180021010 | METHODS AND APPARATUS FOR PERFORMING DYNAMIC RESPIRATORY CLASSIFICATION AND TRACKING | 01-25-2018 |
20190142284 | DETERMINATION OF CARDIAC OUTPUT OR EFFECTIVE PULMONARY BLOOD FLOW DURING MECHANICAL VENTILATION | 05-16-2019 |
20190142308 | BABY BREATHING MONITOR AND SYSTEM THEREOF | 05-16-2019 |
20220133222 | A SLEEP MONITORING SYSTEM AND METHOD - A sleep monitoring system has a movement sensing arrangement and a controller for identifying from the movement sensing arrangement output signals sleep-disordered breathing events. Seismocardiography signals are recorded and analyzed to determine repetitive patterns, from which an inter-beat interval time series is derived without identifying specific elements of the repetitive patterns. The sleep-disordered breath events are derived from the inter-beat interval time series. In this way, SCG signals can be used for sleep monitoring in a robust and reliable way. | 05-05-2022 |