Patent application number | Description | Published |
20080275467 | Intraoperative guidance for endovascular interventions via three-dimensional path planning, x-ray fluoroscopy, and image overlay - A method for planning a path for an endovascular intervention includes acquiring and displaying 3D angiographic images; selecting a target on the displayed images; extracting a skeleton of a vascular tree from the displayed images; extracting a symbolic vessel path to the target based on the skeleton of the vascular tree; and overlaying and displaying the symbolic vessel path on 2D fluoroscopic images for guiding the endovascular intervention. | 11-06-2008 |
20090067568 | SYSTEM AND METHOD FOR X-RAY BASED ASSESSMENT OF ANEURYSM PULSATION - A method of assessing rupture risk of an aneurysm from time-resolved images includes injecting a contrast enhancing agent into a patient with an aneurysm, using an electrocardiogram (ECG) signal to trigger an image acquisition run, wherein a sequence of 2D X-ray fluoroscopic images is acquired along with a corresponding ECG signal value, rotating a C-arm attaching the X-ray fluoroscopic imaging apparatus during said image acquisition run, wherein the images in said X-ray fluoroscopic image sequence are acquired from a rotating viewpoint, sorting the images in said X-ray fluoroscopic image sequence into time windows of the cardiac cycle based on the ECG signal, and constructing one or more 3-dimensional (3D) angiography image volumes of said aneurysm from said 2D fluoroscopic image sequence. | 03-12-2009 |
20090088830 | SYSTEM AND METHOD FOR INTRAOPERATIVE GUIDANCE OF STENT PLACEMENT DURING ENDOVASCULAR INTERVENTIONS - A method for guiding stent deployment during an endovascular procedure includes providing a virtual stent model of a real stent that specifies a length, diameter, shape, and placement of the real stent. The method further includes projecting the virtual stent model onto a 2-dimensional (2D) DSA image of a target lesion, manipulating a stent deployment mechanism to navigate the stent to the target lesion while simultaneously acquiring real-time 2D fluoroscopic images of the stent navigation, and overlaying each fluoroscopic image on the 2D DSA image having the projected virtual stent model image, where the 2D fluoroscopic images are acquired from a C-arm mounted X-ray apparatus, and updating the projection of the virtual stent model onto the fluoroscopic images whenever a new fluoroscopic image is acquired or whenever the C-arm is moved, where the stent is aligned with the virtual stent model by aligning stent end markers with virtual end markers. | 04-02-2009 |
20090214097 | METHOD FOR GENERATING ANALYTICAL TOOL FOR ANALYZING ABNORMALITIES IN HUMAN ORGANS - A method for providing a tool for analyzing an abnormality affixed to a human organ. The method includes: obtaining an image of the organ with the abnormality; separating the image of the abnormality from the image of the organ with the abnormality; mapping a surface of the separated image of the abnormality onto a homeomorphic equivalent template, such template being topologically equivalent to the surface. In one embodiment, the mapping is a continuous, bijective, mapping having a continuous inverse mapping characteristic. | 08-27-2009 |
20090310840 | Method and apparatus for pretreatment planning of endovascular coil placement - The present invention relates to a method and apparatus for pretreatment planning endovascular coil placement, comprising steps of: a) analyzing three-dimensional data enabling visualization of a volume of interest containing at least a part of a blood vessel with an aneurysm; b) determining the centerline of the vessel; c) determining the aneurysm diameter; d) determining the aneurysm dome height; e) creating a three-dimensional surface model of the aneurysm in the vessel, using the results from the previous steps; f) estimating the volume expansion of one or more coils with the aid of said surface model; and g) visual simulating at least one according to the estimated virtual coil being to place inside the aneurysm. | 12-17-2009 |
20110026786 | METHOD AND SYSTEM FOR FACILITATING AN IMAGE GUIDED MEDICAL PROCEDURE - A method for facilitating an image guided medical procedure, utilizing images relating to the procedure, wherein the method includes performing a planning stage, including: obtaining a plurality of pre-procedural images, registering and fusing together the plurality of pre-procedural images, and extracting entities, or data objects, based on the pre-procedural images; performing an intervention stage, including: obtaining intra-procedural images, registering and fusing the pre-procedural and intra-procedural images, registering and fusing the entities with the intra-procedural images, and segmenting selected ones of the entities, based on the intra-procedural images; and performing an assessment stage, including: obtaining post-procedural images, registering and fusing the pre-procedural, the intra-procedural, and the post-procedural images, registering and fusing the entities with the post-procedural images, segmenting selected ones of the entities based on the post-procedural images. Supporting the planning, intervention, and assessment stages of the procedure is via a unified workflow and user interface. | 02-03-2011 |
20110096907 | METHOD FOR OPERATING C-ARM SYSTEMS DURING REPEATED ANGIOGRAPHIC MEDICAL PROCEDURES | 04-28-2011 |
20110096996 | METHOD FOR PROCESSING VASCULAR STRUCTURE IMAGES | 04-28-2011 |
Patent application number | Description | Published |
20080223459 | SPRINGLESS COMPRESSOR VALVE - A fluid-handling system that, in some embodiments, includes a poppet having a body, a magnet, and a mounting member configured to secure the magnet to the body is disclosed. Additionally, a method of forming a valve is disclosed. In some embodiments, the method includes providing a poppet body for a valve, providing a magnet, and providing a mounting member configured to attach the magnet to the poppet body | 09-18-2008 |
20100008805 | VALVE ASSEMBLY AND SYSTEM - A novel valve assembly is provided. In one embodiment, the valve assembly includes a seat plate that includes a fluid conduit and an impact bushing that is coupled to the seat plate at a position adjacent to the fluid conduit. The valve assembly also includes a sealing assembly that is configured to form a seal with the impact bushing and to control flow of a fluid through the fluid conduit via relative displacement of the sealing assembly from the impact bushing. Systems and methods related to such a valve assembly are also disclosed. Data supplied from the esp@cenet database-Worldwide | 01-14-2010 |
20100040497 | POPPET VALVE ASSEMBLY - A novel valve assembly is provided. In one embodiment, the valve assembly includes a seat plate having a plurality of fluid conduits. The valve assembly may also include a plurality of poppet assemblies. In some embodiments, a poppet assembly of such a plurality includes at least one fluid port and a housing configured to be coupled to the seat plate to facilitate flow of a fluid through a respective fluid conduit via the at least one fluid port of the respective poppet assembly. Other devices, systems, and methods related to poppet assemblies are also disclosed. | 02-18-2010 |
20100108163 | CAGED POPPET VALVE - A novel valve assembly is provided. In one embodiment, the valve assembly includes a seat plate having a plurality of fluid conduits. The valve assembly may also include a plurality of poppet cages. In some embodiments, a poppet cage of such a plurality includes a mounting portion for coupling the poppet cage to the seat plate, and a receiving portion for receiving a poppet therein. Other devices, systems, and methods related to poppet cages are also disclosed. | 05-06-2010 |
20100275772 | COMPRESSOR SYSTEM AND FRAME - A reciprocating compressor is provided. In one embodiment, a reciprocating compressor frame includes a central body and at least two crosshead guides extending from opposite sides of the central body. Additionally, the compressor frame crosshead guide support structures extending outwardly from the central body along a respective crosshead guide. Other embodiments of compression systems, devices, and frames of such systems are also provided. | 11-04-2010 |
20110070113 | SYSTEM AND DEVICES INCLUDING VALVES COUPLED TO ELECTRIC DEVICES AND METHODS OF MAKING, USING, AND OPERATING THE SAME - Systems, methods, and devices are disclosed, including a compressor having a piston and a valve assembly. In some embodiments, the valve assembly includes a check valve having a valve member, a magnet coupled to the valve member, and an electrical conductor near the magnet. The check valve may be configured to change state in response to a change in fluid pressure. The compressor may also have an electric device coupled to the electrical conductor. | 03-24-2011 |
20120152110 | COMPRESSOR SYSTEM AND FRAME - A reciprocating compressor is provided. In one embodiment, a reciprocating compressor frame includes a central body and at least two crosshead guides extending from opposite sides of the central body. Additionally, the compressor frame crosshead guide support structures extending outwardly from the central body along a respective crosshead guide. Other embodiments of compression systems, devices, and frames of such systems are also provided. | 06-21-2012 |
20120227847 | Systems and Methods for a Reed Valve Module and Valve Assembly - Reed valve modules and corresponding reed valve assemblies are disclosed. In one embodiment, the reed valve module includes a body having a single or a plurality of sealing faces, a seat and flow passages from the seat to the sealing face(s). The reed valve module also includes one or a plurality of petals. In some embodiments, the module further includes a petal guard. Novel reed valve assemblies are disclosed incorporating the reed valve modules. One embodiment of the reed valve assembly includes a seat with a plurality of fluid conduits, a retainer plate with a plurality of fluid conduits and a means for receiving recesses between the seat plate and retainer plate. Other devices, systems, and methods related to reed valve modules and valve assemblies are also disclosed. | 09-13-2012 |
20130195703 | POPPET VALVE ASSEMBLY - A novel valve assembly is provided. In one embodiment, the valve assembly includes a seat plate having a plurality of fluid conduits. The valve assembly may also include a plurality of poppet assemblies. In some embodiments, a poppet assembly of such a plurality includes at least one fluid port and a housing configured to be coupled to the seat plate to facilitate flow of a fluid through a respective fluid conduit via the at least one fluid port of the respective poppet assembly. Other devices, systems, and methods related to poppet assemblies are also disclosed. | 08-01-2013 |