Patent application number | Description | Published |
20090112249 | MEDICAL DEVICE FOR MODIFICATION OF LEFT ATRIAL APPENDAGE AND RELATED SYSTEMS AND METHODS - Several embodiments are set forth of devices, systems and methods for modifying an atrial appendage such as a left atrial appendage (LAA). In one embodiment, a device includes a body that is collapsible and self-expanding. The body includes a textured surface with protruding portions and recessed portions. The body may be formed of a reticulated foam material and may exhibit a substantially spherical geometry or a truncated spherical geometry. The body may be substantially hollow. In one embodiment, portions of the textured surface may be metalized or have a coating placed thereon to enhance frictional engagement of the body with the atrial appendage wall. In another embodiment, a mesh bag is disposed within an LAA and one or more self-expanding bodies are disposed within the mesh bag. The mesh bag is then secured to retain the self-expanding bodies within the bag and the LAA. | 04-30-2009 |
20090112311 | MEDICAL DEVICE FOR PERCUTANEOUS PARAVALVULAR LEAK AND RELATED SYSTEMS AND METHODS - The present invention provides devices, systems and methods for closing a paravalvular leak. In accordance with one embodiment, a medical device includes at least one multicellular frame member configured to be implanted at a paravalvular leak. The medical device further includes at least one tissue in-growth member associated with the frame member, the tissue in-growth member being configured to promote tissue growth and permanently maintain the frame member at the leak. The frame member may be self expanding device formed, for example, of a shape-memory alloy. The tissue in-growth member may be formed from a polymer material. In one particular embodiment, the frame member may be a substantially tubular structure and the tissue in-growth member may be disposed within an interior space defined by the tubular structure. In another embodiment, the frame ember may be a substantially flat or planar structure. | 04-30-2009 |
20090216221 | SYSTEMS AND METHODS FOR REDUCTION OF ATRIAL FIBRILLATION - Embodiments of the present invention are directed to ablation catheter systems configured, for example, to ablate tissue adjacent an ostium of the pulmonary vein in a left atria of a heart. In one embodiment, an ablation catheter system includes a handle including an actuator and a catheter coupled to the handle defining a lumen extending through a length of the catheter, the catheter including a tip portion at a distal end thereof. The ablation catheter system may also include an electrode coupled to the handle with lines extending through the lumen of the catheter, the electrode being configured to be constrained within the tip portion of the catheter and configured to be deployed from the tip portion and self expand to an expanded configuration. With this arrangement, the electrode is configured to self expand to a conical configuration with a tip portion configured to be disposed within the pulmonary vein. | 08-27-2009 |
20090222081 | METHODS AND APPARATUS FOR REDUCING VALVE PROLAPSE - Medical devices, systems and methods for treating valve prolapse in, for example, the mitral valve. The medical device is employed by delivering the device percutaneously and lodging the device adjacently above the valve. With this arrangement, the device provides a back-stop to prevent valve prolapse and, thus, prevent valve regurgitation. | 09-03-2009 |
20090270840 | DELIVERY SYSTEMS FOR A MEDICAL DEVICE AND RELATED METHODS - Delivery systems for a medical device and related methods are provided. In one embodiment the delivery system includes a handle, a handle extension, and a sleeve. The handle extension extends from the handle and includes at least one channel defined therein along a longitudinal length of the handle extension. The handle extension also includes an abutment surface positioned in the at least one channel. The sleeve is disposed around the handle extension and is coupled to a catheter. The sleeve also includes a biased actuator configured to be moved between at least two actuator positions. The sleeve is moveable from a distal position to an intermediate position where it is stopped via the abutment surface to partially unsheathe a medical device from the catheter. The actuator can then be manually actuated to enable displacement of the sleeve to a proximal position to fully unsheathe the medical device from the catheter. | 10-29-2009 |
20090318948 | DEVICE, SYSTEM AND METHOD FOR ANEURYSM EMBOLIZATION - An apparatus, method and system directed to treatment of aneurysms are disclosed. In one embodiment a medical device delivery system may include a handle, a controller coupled to the handle and a catheter coupled to the handle. The delivery system may also include multiple embolic elements. Each of the embolic elements are positioned in a distal portion of the catheter in a compressed configuration and lined in a row within the distal portion of the catheter. The embolic elements are configured to be separately and discretely released from the catheter to be freely and randomly positioned within an aneurysm cavity and are each configured to self expand to an configuration larger in size than the compressed configuration. | 12-24-2009 |
20100006105 | APPARATUS AND METHODS FOR OCCLUDING A FALLOPIAN TUBE - The present invention is directed to various embodiments of medical devices and methods for occluding a fallopian tube for contraception and permanent sterilization. In one embodiment, the medical device includes an outer member, an inner member and a tissue growth member. The outer member includes an outer surface and an inner surface, wherein the inner surface defines a bore in the outer member. The inner member is configured to be positioned within the bore of the outer member. The tissue growth member is attached to the outer surface of the outer member and is configured to induce tissue growth thereto. With this arrangement, the medical device can be implanted within the fallopian tube and serve as a permanent occluding device therein. If desired, the medical device can be partially removed from the fallopian tube to restore the ability for conception. | 01-14-2010 |
20100023034 | CLOT RETRIEVAL METHOD AND DEVICE - Devices, systems and methods for retrieving clot material from a vasculature lumen are provided. In one embodiment, a medical device includes a handle, a catheter, a tether member and a clot retrieval element. The catheter extends from the handle and the clot retrieval element is configured to be positioned within a distal portion of the catheter with the tether member extending between the handle and the clot retrieval element. The clot retrieval element is configured to be deployed from within the catheter so that the catheter moves proximally relative to and separate from the clot retrieval element while maintaining attachment to the clot retrieval element via the tether member. Further, the clot retrieval element is configured to be pulled by the tether member to abut against a distal side of a clot with proximal movement of the tether member to pull the clot from the vasculature lumen. | 01-28-2010 |
20100211156 | STENT DELIVERY DEVICE WITH EMBOLIC PROTECTION - A delivery device adapted to insert and deploy a stent within a body lumen. The delivery device includes a guide member adapted to retain a dilation assembly and a stent within a lumen thereof until the stent is to be deployed into the body lumen. The delivery device is configured to enable simultaneous insertion of the guide member, dilation assembly, stent, and optional guidewire within a body lumen. Following deploying the stent, the delivery device can be removed, while providing the capability of optionally maintaining the guide member or the guidewire to function or act as an exchange wire for additional surgical devices. | 08-19-2010 |
20100241156 | METHODS, SYSTEMS, AND DEVICES FOR DEPLOYING AN EMBOLIC PROTECTION FILTER - A filter device is adapted to function as a guidewire, an exchange guidewire, and provide embolic protection during a procedure. The filter device includes a filter assembly that is either integral with or coupled to a guide member. The filter assembly includes a plurality of struts that expand outwardly to deploy a filter that collects or captures material flowing along the blood vessel within which the filter device is deployed. The plurality of struts are constrained by a restraining member or mechanism that prevents the plurality of struts from expanding or extending outwardly to deploy the filter. Cooperating with the restraining member or mechanism is an actuating assembly that is adapted to release the restraining member or mechanism and enable the filter to be deployed from the guide member. A capture catheter is cooperates with the filter device and substantially surrounds the filter during removal of the filter device. | 09-23-2010 |
20100324585 | MEDICAL DEVICE FOR MODIFICATION OF LEFT ATRIAL APPENDAGE AND RELATED SYSTEMS AND METHODS - Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a system for use in occluding an opening in the tissue of a body includes a handle, a catheter coupled with the handle and a medical device disposed within a lumen of the catheter. The medical device includes an anchor system having a plurality of anchor segments coupled with an anchor hub. The medical device further includes an occluder system having a plurality of occluder segments coupled with an occluder hub. A first actuator is configured to displace the occluder hub independent of, and relative to, the anchor hub to deploy the occluder system from a refracted state to an expanded state while the anchor system remains in a retracted state. | 12-23-2010 |
20100324586 | MEDICAL DEVICE FOR MODIFICATION OF LEFT ATRIAL APPENDAGE AND RELATED SYSTEMS AND METHODS - Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a system for use in occluding an opening in the tissue of a body includes a handle, a catheter coupled with the handle and a medical device disposed within a lumen of the catheter. The medical device includes an anchor system having a plurality of anchor segments coupled with an anchor hub. The medical device further includes an occluder system having a plurality of occluder segments coupled with an occluder hub. A first actuator is configured to displace the occluder hub independent of, and relative to, the anchor hub to deploy the occluder system from a refracted state to an expanded state while the anchor system remains in a retracted state. | 12-23-2010 |
20100324587 | MEDICAL DEVICE FOR MODIFICATION OF LEFT ATRIAL APPENDAGE AND RELATED SYSTEMS AND METHODS - Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a system for use in occluding an opening in the tissue of a body includes a handle, a catheter coupled with the handle and a medical device disposed within a lumen of the catheter. The medical device includes an anchor system having a plurality of anchor segments coupled with an anchor hub. The medical device further includes an occluder system having a plurality of occluder segments coupled with an occluder hub. A first actuator is configured to displace the occluder hub independent of, and relative to, the anchor hub to deploy the occluder system from a refracted state to an expanded state while the anchor system remains in a retracted state. | 12-23-2010 |
20100324588 | MEDICAL DEVICE FOR MODIFICATION OF LEFT ATRIAL APPENDAGE AND RELATED SYSTEMS AND METHODS - Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a system for use in occluding an opening in the tissue of a body includes a handle, a catheter coupled with the handle and a medical device disposed within a lumen of the catheter. The medical device includes an anchor system having a plurality of anchor segments coupled with an anchor hub. The medical device further includes an occluder system having a plurality of occluder segments coupled with an occluder hub. A first actuator is configured to displace the occluder hub independent of, and relative to, the anchor hub to deploy the occluder system from a refracted state to an expanded state while the anchor system remains in a retracted state. | 12-23-2010 |
20100324595 | DEVICES FOR REDUCING THE SIZE OF AN INTERNAL TISSUE OPENING - A medical system for treating an internal tissue opening can include a closure device and associated delivery device. The closure device can include a body portion operatively associated with a first anchor and a second anchor. The body portion can include a plurality of segments defining a multi-cellular structure. The closure device can be configured to apply lateral force to tissue of the internal tissue opening to bring tissue together. The closure device can have a substantially flat aspect, and have a depth thickness that is substantially greater than the thickness or width of a majority of the members forming the closure device to reduce out of plane bending. The closure device can also include a member adapted to induce tissue growth. | 12-23-2010 |
20110130619 | VENTRICULAR ASSIST DEVICE AND RELATED METHODS - A method and system are provided for percutaneously gaining access to oxygenated blood with one or more anastomosis devices and pumping such oxygenated blood directly to the aorta adjacent to the right atrium or left atrium via a VAD system. In one embodiment, a VAD system can be implanted with open surgery. | 06-02-2011 |
20110213364 | METHODS, SYSTEMS, AND DEVICES FOR CLOSING A PATENT FORAMEN OVALE USING MECHANICAL STRUCTURES - A medical device is disclosed that can include a first atrial anchor, a first delivery shaft linked to the first atrial anchor, wherein the first delivery shaft is adapted to move the first atrial anchor, a second atrial anchor, a second delivery shaft linked to the second atrial anchor, wherein the second delivery shaft is adapted to move the second atrial anchor, and a biasing member linking either (i) the first atrial anchor to the first delivery shaft or (ii) the second atrial anchor to the second delivery shaft. The medical device can include an insulation material coupled to one or more of the first or second atrial anchors, or the first or second delivery shaft. A method for treating an internal tissue opening is also disclosed wherein a first and second electrode can be operated between unipolar and bipolar modes to initiate tissue damage, thereby inducing tissue regrowth. | 09-01-2011 |
20120035650 | METHODS, SYSTEMS, AND DEVICES FOR DEPLOYING A FILTER FROM A FILTER DEVICE - A filter device is adapted to function as a guidewire, an exchange guidewire, and provide embolic protection during a procedure. The filter device includes a filter assembly that is either integral with or coupled to a guide member. The filter assembly includes a plurality of struts that expand outwardly to deploy a filter that collects or captures material flowing along the blood vessel within which the filter device is deployed. The plurality of struts are constrained by a restraining member or mechanism that prevents the plurality of struts from expanding or extending outwardly to deploy the filter. Cooperating with the restraining member or mechanism is an actuating assembly that is adapted to release the restraining member or mechanism and enable the filter to be deployed from the guide member. A capture catheter that cooperates with the filter device and substantially surrounds the filter during removal of the filter device. | 02-09-2012 |
20120316584 | Medical Device and Delivery System for Modification of Left Atrial Appendage and Methods Thereof - Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a delivery system for use in occluding an opening in the tissue of a body includes an actuation assembly operatively coupled to a medical device including an anchor portion and an occluder portion. The actuation assembly is configured to move the anchor portion between a deployed state and retracted state while the occluder portion maintains a deployed state. With this arrangement, the deployed occluder portion can be visualized via imaging at a preferred position prior to deploying the anchor portion of the medical device. | 12-13-2012 |
20130035686 | SYSTEMS AND METHODS FOR REDUCTION OF ATRIAL FIBRILLATION - Embodiments of the present invention are directed to ablation catheter systems configured, for example, to ablate tissue adjacent an ostium of the pulmonary vein in a left atria of a heart. In one embodiment, an ablation catheter system includes a handle including an actuator and a catheter coupled to the handle defining a lumen extending through a length of the catheter, the catheter including a tip portion at a distal end thereof. The ablation catheter system may also include an electrode coupled to the handle with lines extending through the lumen of the catheter, the electrode being configured to be constrained within the tip portion of the catheter and configured to be deployed from the tip portion and self expand to an expanded configuration. With this arrangement, the electrode is configured to self expand to a conical configuration with a tip portion configured to be disposed within the pulmonary vein. | 02-07-2013 |
20130178889 | MEDICAL DEVICE FOR MODIFICATION OF LEFT ATRIAL APPENDAGE AND RELATED SYSTEMS AND METHODS - Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a medical device includes an occluder portion and an anchor portion, the anchor portion hingably coupled to the occluder portion. With this arrangement, the anchor portion actuates and pivots relative to the occluder portion between an anchor deployed position and an anchor non-deployed position while the occluder portion is in an occluder deployed position. | 07-11-2013 |
20140114118 | VENTRICULAR ASSIST DEVICE AND RELATED METHODS - A method and system are provided for percutaneously gaining access to oxygenated blood with one or more anastomosis devices and pumping such oxygenated blood directly to the aorta adjacent to the right atrium or left atrium via a VAD system. In one embodiment, a VAD system can be implanted with open surgery. | 04-24-2014 |
20140172011 | DEVICES FOR REDUCING THE SIZE OF AN INTERNAL TISSUE OPENING - A medical system for treating an internal tissue opening can include a closure device and associated delivery device. The closure device can include a body portion operatively associated with a first anchor and a second anchor. The body portion can include a plurality of segments defining a multi-cellular structure. The closure device can be configured to apply lateral force to tissue of the internal tissue opening to bring tissue together. The closure device can have a substantially flat aspect, and have a depth thickness that is substantially greater than the thickness or width of a majority of the members forming the closure device to reduce out of plane bending. The closure device can also include a member adapted to induce tissue growth. | 06-19-2014 |
20140188098 | SYSTEMS AND METHODS FOR REDUCTION OF ATRIAL FIBRILLATION - Embodiments of the present invention are directed to ablation catheter systems configured, for example, to ablate tissue adjacent an ostium of the pulmonary vein in a left atria of a heart. In one embodiment, an ablation catheter system includes a handle and a catheter coupled to the handle defining a lumen extending through a length of the catheter, the catheter including a distal end thereof. The ablation catheter system may also include an electrode coupled to the handle with lines extending through the lumen of the catheter, the electrode being configured to be constrained adjacent the distal end of the catheter and configured to be deployed from the distal end of the catheter to an expanded configuration. | 07-03-2014 |
20140207169 | MEDICAL DEVICE FOR MODIFICATION OF LEFT ATRIAL APPENDAGE AND RELATED SYSTEMS AND METHODS - Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a device includes a framework extending between a primary hub and a secondary hub. The secondary hub is moveable relative to the primary hub upon deploying the framework from a constricted position to a deployed position such that the secondary hub remains proximal a distal end of the framework. The framework, in the deployed position, includes engaging members proximal the distal end of the framework, and the framework includes multiple frame segments each extending with an arcuate configuration at a distal side of the framework such that the frame segments, at the distal side thereof, each extend radially and distally toward the distal end, then turn and extend radially and proximally inward toward the secondary hub. | 07-24-2014 |
20150066074 | MEDICAL DEVICE FOR MODIFICATION OF LEFT ATRIAL APPENDAGE AND RELATED SYSTEMS AND METHODS - Several embodiments are set forth of devices, systems and methods for modifying an atrial appendage such as a left atrial appendage (LAA). In one embodiment, a medical device includes a frame member and a tissue growth member. The frame member includes a unitary, seamless central portion having a plurality of struts defining a multi-cellular structure and an anchoring system, the plurality of struts extending between and configured to self-expand and directly bias the anchor system to anchor the frame member at least partially within the LAA. With this arrangement, the tissue growth member is attached to the frame member to occlude the LAA. | 03-05-2015 |