| Entries |
| Document | Title | Date |
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| 20130085566 | Prosthetic Heart Valves, Support Structures and Systems and Methods for Implanting the Same - Described herein are systems and methods for operation of a prosthetic valve support structure ( | 04-04-2013 |
| 20090299469 | CONE-SHAPED AORTIC ROOT REPLACEMENT GRAFT AND METHODS FOR MAKING AND USING SAME - A new aortic root replacement graft or apparatus is disclosed and method for making and using same. The graft or apparatus includes a substantially straight and uniform cylindrical conduit having an outwardly flared end section so that a diameter of the cylindrical section is less than a diameter of a distal end of the flared end section. | 12-03-2009 |
| 20090125103 | Haemostatic valve - There is disclosed a tri-leaflet valve ( | 05-14-2009 |
| 20130090728 | Blood Flow Controlling Apparatus - A method for reducing regurgitation in a mitral valve using a blood flow controlling apparatus. The blood flow controlling apparatus comprises an anchoring means, preferably arranged to anchor the apparatus to a wall of the left ventricle. The blood flow controlling apparatus further comprises a valve means configured to expand in a direction transverse to blood flow. The valve means is preferably positioned within a native mitral valve and expands for making contact with the mitral valve leaflets during ventricular systole, thereby preventing blood from regurgitating back through the mitral valve into the left atrium. When blood flows from the left atrium to the left ventricle during ventricular diastole, the valve means collapses for allowing blood to pass freely through the mitral valve. | 04-11-2013 |
| 20130060329 | Artificial Venous Valve with Discrete Shaping Members - The invention relates to a prosthetic valve for regulating flow through a body lumen. The medical device comprises discrete shaping members, a flexible covering, and a valve member. The discrete shaping members are operatively attached to the flexible covering, such that the medical device may exhibit low radial force and dynamic movement. | 03-07-2013 |
| 20130103141 | Pharmacological Delivery Implement for Use with Cardiac Repair Devices - A pharmacological delivery implement for use with cardiac repair devices. The pharmacological delivery implement comprises a porous member defining an outer surface, an internal channel configured to selectively house a pharmacological agent, and a plurality of release holes each extending from the outer surface to the internal channel. Following implantation of the pharmacological delivery implement, at least a portion of the pharmacological agent exits the internal channel through the plurality of release holes. | 04-25-2013 |
| 20080300677 | Method of treatment and devices for the treatment of left ventricular failure - The effects of acute left ventricular heart failure are mitigated by temporary support of the cardiac function through use of either one or both of an expendable temporary one-way valve positioned in the aorta, having a collapsible frame that is expanded upon deployment, and/or a temporary dilation device positioned in the descending aorta for expanding upon deployment to increase the diameter of the associated portion of the aorta. When used together, the dilation device is positioned distal to the temporary one-way valve. | 12-04-2008 |
| 20090118826 | Valve prosthesis - A heart valve prosthesis having a plurality of leaflets encircling a flow opening and of size to coapt to form a valve, each leaflet having a free outflow edge at the outflow end of the leaflet, wherein the free outflow edge forms a convex (relative to the leaflet) curve in the plane of the leaflet, and methods for forming such a valve. A stentless heart valve prosthesis suitable for replacement of the aortic root comprising an outer wall and a plurality of leaflets positioned inside the outer wall, encircling a flow opening and of size to coapt to form a valve, wherein the outer wall and leaflets are formed from material other than natural valve material, and methods of forming such a valve prosthesis. | 05-07-2009 |
| 20100114307 | FRAMELESS VASCULAR VALVE - Prosthetic valve devices, as well as systems and methods for the delivery thereof, are disclosed. A device includes one or more leaflets disposed within a frameless conduit, wherein the conduit is adapted for attachment to walls of a vascular vessel, and the leaflets are adapted for attachment to walls of the conduit. The leaflets are configured to selectively restrict blood flow through the conduit, and the conduit can include wall-engaging adaptations, for example, barbs or an adhesive. The conduit and the leaflets are formed with a flexible material, which may comprise a remodelable material and/or a synthetic polymer. | 05-06-2010 |
| 20080294247 | Prosthetic Heart Valve - The present invention includes prosthetic heart valves having flexible leaflets and methods for fabricating the valves which improve upon the prior art. | 11-27-2008 |
| 20120109290 | PROSTHESIS FOR REPAIRING HEART VALVES - The present invention relates to a prosthesis and a method for extending the valve leaflets ( | 05-03-2012 |
| 20080228264 | Prosthetic heart valves with flexible leaflets - A prosthetic heart valve of the type that includes a hollow annular stent and a plurality of flexible leaflets that are attached to the stent. One or more fixture structures are used to attach the leaflets to the stent so that sutures do not have to be used for that purpose. The fixture structures preferably extend annularly at least substantially all the way around the valve. Surfaces of the fixture structures that can come into contact with portions of the leaflets that move during use of the valve can be shaped to help beneficially shape those leaflet portions during their movements. | 09-18-2008 |
| 20080221672 | Mitral Valve System - Valve prostheses are disclosed that are adapted for secure and aligned placement relative to a heart annulus. The valve prostheses may be placed in a non-invasive manner, e.g., via trans-catheter techniques. The valve prosthesis may include a resilient ring, a plurality of leaflet membranes mounted with respect to the resilient ring, and a plurality of positioning elements movably mounted with respect to the flexible ring. Each of the positioning elements defines respective proximal, intermediate, and distal tissue engaging regions cooperatively configured and dimensioned to simultaneously engage separate corresponding areas of the tissue of an anatomical structure, including respective first, second, and third elongate tissue-piercing elements. The proximal, distal, and intermediate tissue-engaging regions are cooperatively configured and dimensioned to simultaneously engage separate corresponding areas of the tissue of an anatomical structure so as to stabilize a position of the valve prosthesis with respect to the anatomical structure, including wherein for purposes of so simultaneously engaging the separate corresponding areas of tissue, at least one of the first, second, and third elongate tissue-piercing elements is pointed at least partially opposite the direction of blood flow, and at least another thereof is pointed at least partially along the direction of blood flow. The valve prosthesis may also include a skirt mounted with respect to the resilient ring for sealing a periphery of the valve prosthesis against a reverse flow of blood around the valve prosthesis. | 09-11-2008 |
| 20130013058 | STENTLESS ARTIFICIAL MITRAL VALVE, ARTIFICIAL VALVE LEAFLET, TEMPLATE AND CUTTER - An artificial mitral valve | 01-10-2013 |
| 20090259306 | TRANSCATHETER HEART VALVE WITH MICRO-ANCHORS - Various embodiments of methods and apparatus for treating defective heart valve are disclosed herein. In one exemplary embodiment, a transcatheter heart valve is disclosed that includes an expandable shape memory stent and a valve member supported by the stent. A plurality of micro-anchors can be disposed along an outer surface of the stent for engaging native tissue. The transcatheter heart valve can be configured to be advanced into a dilated valve annulus via a balloon catheter. The balloon can be inflated to expand the transcatheter heart valve from a collapsed diameter to an over-expanded diameter such that the micro-anchors engage tissue along the surrounding valve annulus. After engaging the tissue, the balloon can be deflated and the shape memory stent can retract or recoil toward its predetermined recoil diameter. As the stent recoils, the surrounding tissue is pulled inward by the stent such that the diameter of the valve annulus is reduced. | 10-15-2009 |
| 20090105813 | IMPLANTABLE VALVE DEVICE - Valve devices, methods of making valve devices, and methods of treating various venous-related conditions, disorders and/or diseases are described. In one embodiment, a valve device includes an expandable support frame and a bioprosthetic valve attached to the support frame. The bioprosthetic valve comprises a leaflet and a contiguous wall portion harvested from a multi-leaflet xenogeneic valve. The contiguous wall portion includes the attachment region where the leaflets attaches to the vessel wall and, in some embodiments, includes the natural margins of attachment between the leaflet and vessel wall. | 04-23-2009 |
| 20080319541 | DEVICES AND METHODS FOR REPAIRING CARDIAC VALVES - Devices and methods for the repair of a defective cardiac valve are provided. The implantable devices provide a leaflet coaptation surface and correct for one or more prolapsing segments of a valve leaflet. The methods involve implanting one or more devices within the defective cardiac valve. In certain embodiments, the devices and methods correct for billowing leaflets and/or a dilated valve annulus. | 12-25-2008 |
| 20090216321 | PROSTHETIC VALVE WITH SELECTIVELY POSITIONED BIOACTIVE AGENT - A prosthetic valve includes a support frame, a leaflet attached to the support frame, and a bioactive agent associated with the leaflet. A first free edge of the leaflet permits fluid flow through a body vessel in a first direction and substantially prevents fluid flow through the body vessel in a second, opposite direction. A second free edge of the leaflet at least partially defines an opening for permitting a controlled amount of fluid flow through the body vessel. | 08-27-2009 |
| 20100179650 | SEPARATE AORTIC ARTIFICIAL VALVE LEAFLET AND TEMPLATE FOR PREPARATION THEREOF - Provided is an artificial aortic valve leaflet useful in the surgical treatment of aortic valve disorders through the reconstruction of aortic leaflets. The artificial aortic valve leaflet comprising a plane having four sides, three sides of which are linear and a remaining side of which is curved. The distance between a center of the curved side and a center of a side opposite the curved side ranges from 0.35 to 0.70 times a length of the side opposite the curved side. The length of each side adjacent to the curved side ranges from 0.20 to 0.50 times the length of the side opposite the curved side. | 07-15-2010 |
| 20110257738 | FLOW OPTIMIZED POLYMERIC HEART VALVE - A polymeric heart valve is disclosed which includes a valve body having a central axis and including a conduit extending along the central axis from an inflow end to an outflow end; and at least three flexible leaflets extending from the body into the conduit, each of the leaflets defining an attachment curve with the body. Respective pairs of leaflets each define a commissure located proximal the body. The at least three leaflets define a partially open position at rest, a fully open position deflecting away from the central axis during forward blood flow along a direction from the inflow end to the outflow end, and a closed position deflecting toward the central axis during reverse blood flow along a direction from the outflow end to the inflow end. | 10-20-2011 |
| 20110077733 | LEAFLET CONTACTING APPARATUS AND METHOD - A prosthesis can include a leaflet contacting member and an anchoring member. The leaflet contacting member can have an outer surface and an aperture that extends through at least a portion of the leaflet contacting member. The outer surface of the leaflet contacting member can be configured to contact one or more leaflets of the heart valve during coaptation of the leaflets, and the contact of the leaflets with the outer surface can prevent the leaflets from contacting one or more wires that extend through the aperture of the leaflet contacting member. | 03-31-2011 |
| 20110264206 | Prosthetic Valve with Sealing Members and Methods of Use Thereof - Embodiments of the present invention provide prosthetic valves having sealing members on the external surface thereof. The prosthetic heart valves of the present invention are preferably delivered by catheter directly through the apex of the heart or by other close range transcatheter delivery methods. Because these methods of implantation require a shorter length of catheter, a prosthetic valve can be more accurately oriented in the desired implantation location. Fluoroscopy can be used to further assist in orientation of the valve. The sealing members of the present invention can be positioned on the prosthetic valve such that, when the prosthetic valve is implanted in a native annulus, each provided sealing member is located adjacent to a commissural point of the native valve leaflets. Because the sealing members are precisely oriented on the prosthetic valve, a physician can ensure that the sealing members are aligned with the commissural points of the native valve leaflets. In embodiments of the present invention, the prosthetic valve can have a waisted middle section, and the sealing members can be located in the waisted middle section such that the crimped diameter of the prosthetic valve is not negatively impacted by the sealing members. | 10-27-2011 |
| 20080269879 | Implantable Prosthetic Vascular Valve - The present disclosure generally relates to implantable, prosthetic vascular valves, methods of making the valves, and methods of using the valves, in particular, in the human venous system. | 10-30-2008 |
| 20120172980 | KITS WITH PROSTHETIC VALVES FORMED WITH ISOTROPIC FILTER SCREEN LEAFLETS AND METHODS THEREOF - In one embodiment of the invention, a catheter delivery system or kit is disclosed. The kit contains a prosthetic check valve with leaflets cut from filtration screen material with uniform pore size having openings with a dimension inclusively between fifteen and sixty microns. The screen material is made from biocompatible material, such as polyester or polypropylene. One or more outer edges of the leaflet are fused or sealed to prevent fraying of the material and to form a more non-thrombogenic surface. Prosthetic check valves assembled with the leaflets can be collapsed to a diameter of less than or equal to twenty-nine french (29 f), sterilized, and stored in a collapsed state. The compressed or collapsed valve may be sterilized and included as part of a sterile catheter delivery system or kit, ready for minimally invasive implantation without rinsing prior to use. | 07-05-2012 |
| 20120172979 | METHODS FOR PROSTHETIC VALVES FORMED WITH ISOTROPIC FILTER SCREEN LEAFLETS - In one embodiment of the invention, a method of forming a prosthetic check valve is disclosed. The prosthetic check valve is formed of leaflets cut from filtration screen material with uniform pore size having openings with a dimension inclusively between fifteen and sixty microns. The screen material is made from biocompatible material, such as polyester or polypropylene. One or more outer edges of the leaflet are fused or sealed to prevent fraying of the material and to form a more non-thrombogenic surface. Prosthetic check valves assembled with the leaflets can be collapsed to a diameter of less than or equal to twenty-nine french (29 f), sterilized, and stored in a collapsed state. The collapsed valve can be implanted without prior rinsing to remove sterilant. | 07-05-2012 |
| 20120172978 | PROSTHETIC VALVES FORMED WITH ISOTROPIC FILTER SCREEN LEAFLETS - “In one embodiment of the invention, a prosthetic check valve is disclosed with leaflets cut from filtration screen material with uniform pore size having openings with a dimension inclusively between fifteen and sixty microns. The screen material is made from biocompatible material, such as polyester or polypropylene. One or more outer edges of the leaflet are fused or sealed to prevent fraying of the material and to form a more non-thrombogenic surface. Prosthetic check valves assembled with the leaflets can be collapsed to a diameter of less than or equal to twenty-nine french (29 | 07-05-2012 |
| 20120101570 | Methods for Implanting a Valve Prothesis - A method for implanting a valve prosthesis at a native cardiac valve complex of a subject comprises implanting a distal fixation member of the valve prosthesis downstream of a native valve of the native valve complex such that two or more engagement arms of the distal fixation member apply, to a downstream side of the native valve, a first axial force directed upstream. The method also comprises implanting a proximal fixation member of the valve prosthesis at least partially upstream of the native valve, such that the proximal fixation member applies, to an upstream side of the native valve, a second axial force directed downstream, such that application of the first and second forces couples the valve prosthesis to the native valve complex. The engagement arms and the proximal fixation member capture leaflets of the native valve therebetween without folding over leaflets of the native valve. | 04-26-2012 |
| 20090149962 | Artificial Elbow Joint - An artificial elbow joint of constraint type that makes it easier to assemble a joint section even when a surgery for replacing an elbow joint is in process, and is effective in improving the safety of surgery and reducing the time taken to complete the surgery. The artificial elbow joint of the present invention comprises: a humeral component comprising a humeral stem, a shaft and a anterior flange; and an ulnar component comprising an ulnar stem and a sleeve, wherein the shaft of the humeral component is fitted in the sleeve of the ulnar component rotatably. The sleeve has a slit-like sleeve opening a width of which is smaller than an outside diameter of the shaft and having a flexible sleeve insert on inner surface of the sleeve to be contacted with the shaft whereby the sleeve is fitted with a snap into the sleeve through the sleeve opening, and a centerline of the sleeve opening is oriented toward an anterior cubital region at an angle between 45 to 90 degrees with respect to a downward direction of an axis of the ulnar stem. | 06-11-2009 |
| 20110112649 | Radial and ulnar replacement - Prostheses are provided for ulna and radius of a patient's forearm. | 05-12-2011 |
| 20110153024 | MODULAR ELBOW PROSTHESIS - A modular elbow prosthesis including an ulnar component and a humeral component. The ulnar component includes an ulnar head and an ulnar stem. The humeral component includes a humeral head and a humeral stem. The humeral component also includes a locking system for securing the humeral head onto the humeral stem. | 06-23-2011 |
| 20100179661 | ELBOW PROSTHESIS - A method and apparatus for replacing a selected portion of the anatomy is described. In particular, a prosthesis can be provided to replace a portion of an articulating joint, such as an elbow. The apparatus can be modular for various reasons and each of the modular portions can include a different dimension to achieve a selected result. For example, the prosthesis can achieve a different size condylar replacement, a selected offset, a selected articulation, or combinations thereof. | 07-15-2010 |
| 20120221113 | ELBOW PROSTHESIS - An elbow prosthesis according to the present teachings can include a stem structure and an articulating component. The stem structure can be operable to be positioned in a bone of a joint. The stem structure can include a stem portion that is operable to be positioned in the bone and a C-shaped body portion having a first retaining mechanism formed thereon. The articulating component can have a second retaining mechanism formed thereon. One of the first and second retaining mechanisms can comprise an extension portion and a first anti-rotation portion. The other retaining mechanism can comprise a receiving portion and a second anti-rotation portion. The articulating component can be advanced from an insertion position to an assembled position, such that the first and second mechanisms cooperatively interlock to inhibit translation and rotation of the articulating component relative to the C-shaped body portion of the stem structure. | 08-30-2012 |
| 20100145465 | CANINE PROSTHETIC ELBOW JOINT - The application relates to a prosthetic canine elbow joint ( | 06-10-2010 |
