Patent application number | Description | Published |
20100207865 | SYSTEMS AND METHODS FOR DISPLAY DEVICE BACKLIGHT COMPENSATION - Systems and methods of controlling illumination of a display device are disclosed. These systems and methods can detect a plurality of luminance values in a digital image of the display device that correspond to a plurality of pixel positions of the display device. A first plurality of luminance values of the plurality of luminance values can be mapped to a first pixel position of the plurality of pixel positions of the display device, and a compensation mask value for the first pixel position can be determined based upon the first plurality of luminance values. The compensation mask value can correspond to an adjustment of a luminance value of the first pixel position. The compensation mask value can be provided to a display controller of the display device to permit the display controller to adjust a luminance value of the first pixel position to correspond more closely with luminance values associated with other pixel positions of the plurality of pixel positions of the display device based upon the compensation mask value. | 08-19-2010 |
20110058669 | UNIQUE IDENTIFIER PER CHIP FOR DIGITAL AUDIO/VIDEO DATA ENCRYPTION/DECRYPTION IN PERSONAL VIDEO RECORDERS - The invention provides techniques to implement unique identifier for an integrated chip and how this ID can be employed to enhance the security of content in personal video recorder type systems. The storage device can be a hard disk, a removable storage medium or any other type of storage medium. An integrated circuit (IC) within the personal video recorder stores a unique identifier that is used in for encryption and decryption of data stored on the storage device. Several embodiments are disclosed herein that maintain the secrecy of the unique ID such that it is not easily accessible thereby defeating the security scheme. | 03-10-2011 |
20110205251 | PASSIVE EYEWEAR STEREOSCOPIC VIEWING SYSTEM WITH FREQUENCY SELECTIVE EMITTER - An electronic display device includes a frequency selective light source configured to generate light having a first spectral range of visible light and a second spectral range of visible light. The second spectral range of visible light is distinct from the first spectral range of visible light. The device has a plurality of sequentially updatable picture elements, and at least one of the picture elements is optically aligned with the frequency selective light source such that the light generated by the frequency selective light source provides illumination to the picture element. The device further includes a display device controller coupled to the frequency selective light source, which is configured to select, in response to an update of at least one of the picture elements, one of the first spectral range of visible light and the second spectral range of visible light, to be provided by the frequency selective light source. | 08-25-2011 |
20110205625 | PASSIVE EYEWEAR STEREOSCOPIC VIEWING SYSTEM WITH SCANNING POLARIZATION - A method of displaying images with an electronic display device having a plurality of sequentially updatable picture elements includes displaying an image with the picture elements by sequentially updating each of the plurality of picture elements, filtering light emanating from a first picture element with a first polarizing filter configured in a first polarization orientation and filtering light emanating from a second picture element with a second polarizing filter configured in a second polarization orientation that is different than the first polarization orientation. The method further includes detecting an update of a third picture element and switching the configuration of the second polarizing filter to the first polarization orientation in response to detecting the update of the third picture element. | 08-25-2011 |
Patent application number | Description | Published |
20090015923 | Multi-Spot Ophthalmic Laser Probe - A laser probe includes an emitting optical fiber, optics, and two or more receiving optical fibers. The emitting optical fiber emits a beam of laser light. The optics diffract the beam of light emitted by the emitting optical fiber. The receiving optical fibers each receive a beam of light diffracted by the optics. | 01-15-2009 |
20100042080 | Preconditioned Illuminator System and Method - Embodiments of endo-illuminators and related methods are disclosed. One embodiment of an illuminator can comprise a cannula defining a passage, an optical element disposed at an end of the cannula, and an optical fiber running through the passage with the distal end of the optical fiber in contact with the optical element. The optical fiber includes at least a heat preconditioned distal portion that terminates in the distal end that is in contact with the optical element. One embodiment of a method can comprise inserting an optical fiber through a proximal portion of a cannula and optical element assembly until the distal end of the optical fiber contacts the optical element, heating a distal portion of the optical fiber to between a softening temperature and a melting temperature for a period of time to cause the distal portion to axially shrink and moving the optical element so that the optical element is in contact with the distal end of the optical fiber when the distal portion of the optical fiber has axially shrunk. Moving the optical element so that the optical element is in contact with the distal end of the optical fiber when the distal portion of the optical fiber has axially shrunk can comprise applying a force to the cannula and optical element assembly to maintain the optical element in continuous contact with the distal end of the optical fiber while the optical fiber axially shrinks. | 02-18-2010 |
20110118734 | CAPSULARHEXIS DEVICE USING PULSED ELECTRIC FIELDS - A capsulorhexis apparatus is disclosed. An exemplary apparatus includes a cutting electrode device that in turn comprises a handle, a flexible ring having a single ring-shaped wire electrode embedded therein, and a shaft connecting the flexible ring to the handle, wherein the flexible ring is configured for insertion into an eye through an incision. The apparatus further includes a grounding electrode configured for placement in or on the eye, independently of the cutting electrode device, and a pulse generator electrically connected to the ring-shaped wire electrode and the grounding electrode and configured to supply pulsed power to the eye via the ring-shaped wire electrode and the grounding electrode | 05-19-2011 |
20110125139 | Multi-fiber flexible surgical probe - A probe having a flexible, small diameter fiber optic sheathed in a small diameter flexible tube comprising the distal tip of the probe. The small diameters of the fiber and tube allow the fiber to be bent in a tight radius comprising the major portion of the length of the exposed portion of the fiber, with low tube bending forces during insertion, providing a compact design which reduces or eliminates the need for a straight distal portion of flexible tube extending from the cannula. The small diameter tube also allows a greater wall thickness outer cannula to be used, thereby increasing instrument rigidity. One embodiment encompasses a larger flexible tube with corresponding larger bend radius, to encase a plurality of fiber optics, providing separately optimized laser and illumination delivery paths. Anti-friction coating material may be used to further reduce insertion forces. | 05-26-2011 |
20130057821 | Laser probe with an electrically steerable light beam - Certain embodiments are directed towards a laser probe that electrically steers emitted light beam. The laser probe may include a housing, an optical waveguide, and a beam steering cell. The housing has a tubular shape defining an interior region. The optical waveguide is disposed within the interior region and is configured to emit a light beam travelling in a first direction. The beam steering cell is disposed within the housing and comprises an electro-optical (EO) material. The beam steering cell is configured to receive one or more voltages and electrically steer the light beam with the OE material to a second direction. The laser probe may be a directional laser probe or a multi-spot laser probe. | 03-07-2013 |
20130079598 | Ophthalmic endoilluminators with directed light - Certain embodiments of an endoilluminator may include a cannula, an intermediate material, and an optical fiber. The cannula has a substantially cylindrical shape that defines an interior region and has a cylindrical axis. The intermediate material is disposed within the interior region. The optical fiber is disposed within the intermediate material and has a fiber optical axis and a distal end configured to emit light. The emitted light has an illumination pattern with an illumination axis that is not parallel to the cylindrical axis. | 03-28-2013 |
20130081253 | PRECONDITIONED ILLUMINATOR SYSTEM AND METHOD - Embodiments of endo-illuminators and related methods are disclosed. One embodiment of an illuminator can comprise a cannula defining a passage, an optical element disposed at an end of the cannula, and an optical fiber running through the passage with the distal end of the optical fiber in contact with the optical element. The optical fiber includes at least a heat preconditioned distal portion that terminates in the distal end that is in contact with the optical element. | 04-04-2013 |
20130317478 | VISCOUS FLUID INJECTOR - A self-contained apparatus and corresponding methods are provided for delivering viscous fluids in a controlled manner, such as delivering a viscous fluid in a surgical setting. The self-contained apparatus can include a motion following pressure regulator that allows for linear control of a regulated pressure. The regulated pressure can be used for dispensing a viscous fluid from a syringe that is coupled to the self-contained apparatus. The pressure regulator regulates a pressure derived from a pressurized fluid reservoir located at least partially within a housing of the apparatus. This allows the viscous fluid to be delivered using pressure to provide a driving force greater than a force easily delivered manually, while still allowing a surgeon to retain fine control over the rate of viscous fluid delivery. | 11-28-2013 |
20130345618 | INTRAOCULAR GAS INJECTOR - A gas mixture apparatus includes a measurement control system, an activation system, a pressurized chamber with one or more gases, and a mixing chamber. The apparatus can also include additional pressure regulation control systems. The gas mixture apparatus can be used to introduce and automatically perform the steps to achieve a desired concentration of the one or more gases contained in the pressurized chamber. The gas mixture apparatus can include the pressurized chamber within the apparatus itself such that no external devices are necessary for introducing the one or more gases into the mixing chamber. | 12-26-2013 |
20130345619 | INTRAOCULAR GAS INJECTOR - A gas mixture apparatus includes a measurement control system, an activation system, a pressurized chamber with one or more gases, and a mixing chamber. The apparatus can also include additional pressure regulation control systems. The gas mixture apparatus can be used to introduce and automatically perform the steps to achieve a desired concentration of the one or more gases contained in the pressurized chamber. The gas mixture apparatus can include the pressurized chamber within the apparatus itself such that no external devices are necessary for introducing the one or more gases into the mixing chamber. | 12-26-2013 |
20140330204 | GAS SYRINGE FILLING DEVICE AND METHODS FOR MAKING AND USING THEM - Systems and methods are provided for filling syringes, e.g., for use during pneumatic retinopexy or other medical procedures. In one embodiment, the system includes a housing carrying a gas canister including an outlet communicating with a fluid path extending from the outlet to a syringe cavity. A syringe includes a barrel receivable in the syringe cavity such that a port of the barrel communicates with the fluid path. An actuator is provided on the housing for selectively opening the outlet of the gas canister to deliver gas therein along the fluid path into the interior of the barrel, thereby causing the plunger to move from a distal position to a proximal position. | 11-06-2014 |
20140364699 | OPHTHALMIC ENDOILLUMINATORS WITH DIRECTED LIGHT - Certain embodiments of an endoilluminator may include a cannula, an intermediate material, and an optical fiber. The cannula has a substantially cylindrical shape that defines an interior region and has a cylindrical axis. The intermediate material is disposed within the interior region. The optical fiber is disposed within the intermediate material and has a fiber optical axis and a distal end configured to emit light. The emitted light has an illumination pattern with an illumination axis that is not parallel to the cylindrical axis. | 12-11-2014 |
Patent application number | Description | Published |
20090182313 | Targeted Illumination For Surgical Instrument - An illuminated surgical instrument has a working area located near an end of the instrument. An array of optical fibers terminates near the end of the instrument. The array of optical fibers is located adjacent to the instrument such that the array of optical fibers provides targeted illumination to the working area only on one side of the instrument. | 07-16-2009 |
20100100058 | Micro-Vitreoretinal Trocar Blade - Embodiments of a micro-vitreoretinal trocar blade may have a top surface and a bottom surface that converge to form cutting edges. Each of the top surface and bottom surface have a large rounded apex to maximize the area of the blade. Each surface also has concave regions that may form the cutting edges. Advancing the MVR trocar blade into tissue causes the tissue to contact the apexes of the top and bottom surfaces. The apexes draw the tissue into contact with the cutting edges. The cutting edges incise the tissue such that the incision is sized to accommodate a trocar cannula. The geometry of the top surface and bottom surface ensure that the features of the blade do not protrude radially outside of the diametral envelope of the shaft. | 04-22-2010 |
20120157907 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 06-21-2012 |
20120157908 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 06-21-2012 |
20120165724 | HYDRAULIC VITRECTOMY PROBE - Hydraulic vitrectomy probes and methods and systems associated therewith are discussed. Example hydraulic vitrectomy probes may include a pressure multiplier that is operable to output a hydraulic pressure at a multiple of a received pneumatic pressure. Because of the incompressible nature of liquid, hydraulic vitrectomy probes are, among other things, more responsive, may be operated at higher cutting rates, provide improved patient safety, and have a form factor (e.g., size and/or shape) that may be more easily maneuvered by a surgeon. | 06-28-2012 |
20120165734 | DEVICE FOR AT LEAST ONE OF INJECTION OR ASPIRATION - Devices, systems, and associated methods that facilitate the injection and/or aspiration of precisely controlled volumes of fluids at precisely controlled rates are provided. In some implementations, an apparatus may include a syringe and a lead screw connected to a plunger of the syringe. A ratchet gear may be connected to the lead screw. A mechanism may also be included to oscillate a frame in a direction perpendicular to a longitudinal axis of the lead screw such that one or more pawls of the frame engage the teeth of the ratchet gear in a manner that results in rotation of the ratchet gear in a single direction for controlled linear displacement of the plunger. | 06-28-2012 |
20120221033 | SURGICAL PROBE WITH INCREASED FLUID FLOW - A surgical probe, e.g. a vitrectomy probe, and methods of making the same are disclosed. An exemplary surgical probe may include a tubular body and a cutting tool that is received within the body. The tubular body may define a cutting aperture that is adjacent a first end of the body and a fluid passage that extends through the body from the cutting aperture to a second end of the body. The cutting tool may be received within the body and disposed within the fluid passage. The cutting tool is generally configured to allow fluid flow through the cutting tool. The cutting tool may include a body portion and a blade portion that is configured to cut material entering the cutting aperture. The body portion may extend only partially about an inner circumference of the tubular body. | 08-30-2012 |
20130158576 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes vitrectomy probes having an adjustable cutting port size. The cutting port size may be adjusted by altering a position of a stroke limiter via a stepper motor. Various example features are described for adjusting the size of the cutting port. | 06-20-2013 |
20130158579 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 06-20-2013 |
20130158580 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 06-20-2013 |
20130158581 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 06-20-2013 |
20130158582 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes vitrectomy probes having an adjustable cutting port size. In some instances, the cutting port size may be adjusted by altering a position of a stroke limiter via a pancake motor. Various example features are described for adjusting the size of the cutting port. | 06-20-2013 |
20130158583 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes vitrectomy probes including an adjustable stroke limiter longitudinally moveable therein in response to a rotation of the stroke limiter. The adjustable stroke limiter is operable to adjust a cutting port size of a cutter. | 06-20-2013 |
20130158584 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 06-20-2013 |
Patent application number | Description | Published |
20120157906 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 06-21-2012 |
20120157909 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. Some implementations disclosed herein include a piezoelectric element operable to adjust a position of a stroke limiter to define a size of the cutter port. | 06-21-2012 |
20120158029 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. For example, one example vitrectomy probe includes a piezoelectric element adapted to adjust the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 06-21-2012 |
20120158030 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 06-21-2012 |
20140243735 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 08-28-2014 |
20140364886 | VITRECTOMY PROBE WITH ADJUSTABLE CUTTER PORT SIZE - Vitrectomy probes and system related thereto are disclosed herein. The disclosure describes various example vitrectomy probes having an adjustable cutting port size. Various example features are described for adjusting the size of the cutting port. Further, the disclosure provides examples for adjusting the size of the cutter port while the vitrectomy probe is in operation. | 12-11-2014 |