AGA Medical Corporation Patent applications |
Patent application number | Title | Published |
20140288591 | MULTI-LAYER BRAIDED STRUCTURES FOR OCCLUDING VASCULAR DEFECTS - A collapsible medical device and associated methods of occluding an abnormal opening in, for example, a body organ, wherein the medical device is shaped from plural layers of a heat-treatable metal fabric. Each of the fabric layers is formed from a plurality of metal strands and the assembly is heat-treated within a mold in order to substantially set a desired shape of the device. By incorporating plural layers in the thus-formed medical device, the ability of the device to rapidly occlude an abnormal opening in a body organ is significantly improved. | 09-25-2014 |
20140277426 | Paravalvular Leak Occlusion Device for Self-Expanding Heart Valves - An occluder device for occluding a gap between a medical device and adjacent body tissue includes a conformable body having a hollow interior, a leading end and a trailing end; and a port disposed at the trailing end of the body and in fluid communication with the interior of the body. | 09-18-2014 |
20140277425 | PARAVALVULAR LEAK OCCLUSION DEVICE FOR SELF-EXPANDING HEART VALVES - An occluder for sealing gaps between a medical device and adjacent body tissue includes an expandable body configured to fill the gaps between the medical device and the body tissue. The occluder includes a fastener at one end of the body and adapted to couple to a first end of the medical device, and an expandable disk at the other end of the body and adapted to couple to the medical device at a position spaced from the first end. | 09-18-2014 |
20140277388 | BIOCOMPATIBLE FOAM OCCLUSION DEVICE FOR SELF-EXPANDING HEART VALVES - A self-expandable ring seals a gap between a medical device and adjacent body tissue. The ring is disposed about the medical device and configured to self-expand from a first radius in a compressed condition to a second radius in an expanded condition, the second radius being greater than the first radius. The ring may be formed from a compliant biocompatible foam configured and arranged to conform to the body tissue. | 09-18-2014 |
20140257374 | PERCUTANEOUS CATHETER DIRECTED COLLAPSIBLE MEDICAL CLOSURE DEVICE - The present disclosure provides an improved collapsible medical closure device fabricated from a tubular wire mesh material. The collapsible medical closure device has an expanded preset configuration and an elongated collapsed reduced diameter configuration for delivery through a delivery catheter or other delivery means to a desired treatment site. The collapsible medical closure device is shaped to create short-term and long-term occlusion of an opening, such as an opening in the wall of the heart, and includes a disc shaped portion on a distal end, a cone shaped portion on a proximal end, a middle portion connecting the disc shaped portion and the cone shaped portion, and a means for attaching a delivery cable located in the middle portion. The collapsible medical closure device additionally includes a therapeutic membrane for aiding in occlusion and promoting tissue growth, as well as one or more radiopaque marker bands. | 09-11-2014 |
20140257373 | MEDICAL DEVICE FOR TREATING A TARGET SITE - Embodiments of the present disclosure are directed to medical devices, methods, and systems for delivering a medical device to a target site. In one embodiment, a medical device includes a tubular member having a proximal end and a distal end, the tubular member having an expanded configuration and a relaxed configuration. The medical device further includes a tether comprising a first end and a second end, the first end coupled to the proximal end or the distal end of the tubular member. In addition, the medical device includes an engagement member coupled to the second end of the tether and disposed at least partially within the tubular member and between the proximal and distal ends of the tubular member in the relaxed configuration. The engagement member is configured to engage the proximal or distal end of the tubular member, opposite the first end of the tether, upon displacement of the proximal and distal ends of the tubular member towards one another, such that the tubular member is locked in the expanded configuration. | 09-11-2014 |
20140257361 | MEDICAL DEVICE FOR TREATING A TARGET SITE - Embodiments of the present disclosure are directed to medical devices, methods, and systems for delivering a medical device to a target site. In one embodiment, a medical device includes a proximal lobe and a distal lobe, at least one of the proximal lobe or the distal lobe configured to receive a delivery device therethrough. The medical device also includes a central engagement member disposed between the proximal lobe and the distal lobe, the central engagement member configured to be engaged by a delivery device for facilitating deployment of the proximal and distal lobes at the target site. | 09-11-2014 |
20140257360 | MEDICAL DEVICE FOR TREATING A TARGET SITE - Embodiments of the present disclosure are directed to medical devices for treating a target site. For example, a medical device comprises a tubular member having a proximal end and a distal end, the tubular member having an expanded preset configuration when deployed at the target site and a reduced configuration for delivery to the target site. The tubular member comprises at least one layer of braided fabric, and the at least one layer of braided fabric comprises a plurality of first strands having a first diameter and a plurality of second strands having a second diameter. The first diameter is larger than the second diameter. The plurality of first strands and the plurality of second strands are intertwined to define regions of varying radial stiffness between the proximal and distal ends of the tubular member. | 09-11-2014 |
20140257357 | OCCLUSION DEVICE AND ASSOCIATED DEPLOYMENT METHOD - An occlusion device for occluding a cavity defined by a body is provided, and includes first and second laterally-expandable portions each formed of a woven tubular fabric and having opposed proximal and distal ends. The first portion is insertable into the cavity so as to be substantially disposed therein upon lateral expansion thereof. A connective element tethers the distal end of the first portion and the second portion, and is cooperable therewith to form a collapsible assembly extending along an insertion axis. Retention members, operably engaged with each of the first and second portions and spaced apart about a laterally outward surface thereof, are adapted to engage the body, after insertion of the collapsed assembly, second portion-first, into the cavity, and subsequent lateral expansion of the first and second portions, so as to retain the assembly substantially within the cavity. An associated deployment method is also provided. | 09-11-2014 |
20140249568 | EMBOLIC PROTECTION PASS THROUGH TUBE - An embolic protection device includes an outer surface that is configured to form a substantially sealed relationship with a body lumen such that emboli are deflected and/or captured by the outer surface before such emboli can travel to other parts of the body. An inner surface of the embolic protection device includes a longitudinally extending lumen through which instrumentation may be inserted, facilitating passage of such instrumentation through the body lumen while minimizing risk to the patient from emboli. | 09-04-2014 |
20140249567 | EMBOLIC PROTECTION DEVICE - Embolic protection devices and systems capture and/or deflect emboli from entering one or more arterial branches of the aorta. An embolic protection device may include an anchor section that is positionable within an arterial branch of the aorta and a shield section that is operatively coupled to the anchor section. The shield section is positionable relative to one or more ostia of the aortic branches and is held in that position by the anchor section. | 09-04-2014 |
20140249566 | EMBOLIC PROTECTION SHIELD - A vessel protector for capturing or filtering material in the aortic arch includes at least one shield formed in a planar or three-dimensional shape. The shield includes a body formed from a filtering material and may be formed of a shape memory material. The shield may alternate between a collapsed configuration for delivery and an expanded configuration during use. A catheter may be used to deliver the vessel protector into the aortic arch. | 09-04-2014 |
20140249565 | EMBOLIC PROTECTION DEVICE - Embolic protection devices useful for filtering emboli during interventional cardiac, vascular, or other procedures are described. The device can include first and second expandable mesh filters having open and closed ends. The first filter is attached to a catheter at its closed end. The second filter is attached to a steerable guide wire at its closed end. The second filter includes a cinching wire circumferentially attached to the filter. The filters are deployed in separate vessels, such as the brachiocephalic artery and the left common carotid artery. A procedure is performed, and the filters trap any emboli travelling through the path of the filters. At the end of the procedure, the second filter is closed using the cinching wire, and retracted into the first filter. Both the first and second filters are collapsed into a sheath and removed from the body with along with any emboli trapped in the filters. | 09-04-2014 |
20140214077 | DEVICES AND METHODS FOR OCCLUDING ABNORMAL OPENINGS IN A PATIENT'S VASCULATURE - A medical device is provided in which one or both ends of the device encourage the formation of tissue across substantially the entire area of the respective end that is exposed to the blood flow for reducing the risk of a thrombotic embolism. The medical device includes a tubular structure having at least one expanded volume portion and a tapered transition portion. The tubular structure may be made through the braiding of a number of strands, and a first end feature may be used to secure the proximal strand ends. The proximal strand ends may be secured via the proximal end of the first end feature, such that the tapered transition portion is formed over the circumferential surface of the first end feature, and only a proximal end surface (or a portion of the proximal end surface) of the first end feature is exposed to the path of flowing blood. | 07-31-2014 |
20140135734 | DEVICES AND METHODS FOR DELIVERING VASCULAR IMPLANTS - Embodiments of the present disclosure are directed to delivery devices, methods, and systems for delivering an implant to a target site. In one embodiment, a delivery device includes a core member defining a proximal end and a distal end and an outer winding defining a proximal end and a distal end, wherein the outer winding surrounds and is coupled to the core member. The outer winding extends at least partially between the proximal end of the core member and the distal end of the core member, and the outer winding is configured for displacement within a delivery catheter. The delivery device further includes a coupling member at the distal end of the core member configured to releasably attach to an implant. | 05-15-2014 |
20130218189 | PERCUTANEOUS CATHETER DIRECTED INTRAVASCULAR OCCLUSION DEVICES - The present invention provides an improved vascular occlusion device having improved flexibility and retention of the type fabricated from braided tubular metal fabric having an expanded preset configuration and an elongated collapsed reduced diameter configuration for delivery through a catheter to a treatment site and shaped to create an occlusion of an abnormal opening in a body organ or vessel, the woven metal fabric having a memory property whereby the medical device tends to return to said expanded preset configuration when unconstrained. The device further including at least one disk portion adjacent a body cylindrical portion formed from the fabric and having a transition diameter between the disk and cylindrical portion, significantly smaller than the diameter of the disk and the diameter of the cylindrical portion. | 08-22-2013 |
20130204354 | BRANCHED STENT/GRAFT AND METHOD OF FABRICATION - Branched braided stent or graft devices and processes for fabrication of the devices are disclosed in which a trunk portion and two hinge leg portions are fabricated in one piece braided from a single plurality of filaments, whereby the legs contain the full plurality of filaments and the trunk portion contains a subset of the same plurality of filaments. The fabrication process involves braiding the hinged legs on a mandrel while retaining loops of filament between the hinged leg portions for subsequent braiding of the trunk portion of the stent or graft. | 08-08-2013 |
20130204289 | DEVICES AND METHODS FOR OCCLUDING VASCULAR ABNORMALITIES - Medical devices are provided that include at least one layer that defines a proximal end, a distal end, and an expanded volume portion between the proximal and distal ends. The expanded volume portion defines a longitudinal axis extending between the proximal and distal ends. A first end feature including a reversible connection for attachment to a pusher member may be attached to the proximal end. The first end feature may define a first axis between its opposing ends. Similarly, a second end feature defining a second axis between its opposing ends may be located at the distal end. In the contracted state (e.g., when constrained within a delivery catheter), the first axis and the second axis may be aligned with the longitudinal axis, and in the expanded state (e.g., when deployed), the first axis and/or the second axis may be angled with respect to the longitudinal axis. | 08-08-2013 |
20130131717 | DEVICES AND METHODS FOR OCCLUDING ABNORMAL OPENINGS IN A PATIENT'S VASCULATURE - A medical device is provided in which one or both ends of the device encourage the formation of tissue across substantially the entire area of the respective end that is exposed to the blood flow for reducing the risk of a thrombotic embolism. The medical device includes a tubular structure having at least one expanded volume portion and a tapered transition portion. The tubular structure may be made through the braiding of a number of strands, and a first end feature may be used to secure the proximal strand ends. The proximal strand ends may be secured via the proximal end of the first end feature, such that the tapered transition portion is formed over the circumferential surface of the first end feature, and only a proximal end surface (or a portion of the proximal end surface) of the first end feature is exposed to the path of flowing blood. | 05-23-2013 |
20130112070 | MEDICAL DEVICE INCLUDING CORRUGATED BRAID AND ASSOCIATED METHOD - Embodiments of the present invention provide medical devices for treating a target site within the body and associated methods for fabricating and delivering medical devices. According to one embodiment, a medical device includes a tubular structure having proximal and distal ends and a side wall extending therebetween. At least a portion of the side wall can have a corrugated surface. The side wall further includes at least one layer of a metallic fabric configured to be compressed and heat set to define the corrugated surface. The tubular structure may comprise an expanded shape, and may be configured to be constrained to a smaller diameter than the expanded shape for delivery within a catheter to a target site and to assume the expanded shape upon release from the catheter. | 05-09-2013 |
20130073026 | DEVICE AND METHOD FOR TREATING VASCULAR ABNORMALITIES - A vascular device is provided that includes a tubular structure and an occluding structure. The tubular structure has inner and outer layers, with the occluding structure located between the inner and outer layers. Each of the inner and outer layers may define a different pick count, and the tubular structure may include a leading edge at a transition between the pick counts. The leading edge may be disposed at the distal end of the vascular device when the device is deployed from a delivery device. Furthermore, the occluding structure may have first and second layers formed by the inversion or eversion of the occluding structure and the subsequent coupling of its free ends to form a continuous structure. Thus, any loose ends may be sealed to minimize unraveling and/or shifting of the occluding structure within the tubular structure. A method of making the vascular device is also provided. | 03-21-2013 |
20130073024 | DEVICE AND METHOD FOR DELIVERING A VASCULAR DEVICE - A device and method for delivering a vascular device to a target site is provided that maintains a proximal portion of the vascular device within a tubular sleeve by positioning a stop of an inner member at a distal opening of the tubular sleeve to block the opening. Once the stop has been moved distally via movement of the inner member to clear the opening, a band of increased thickness on the inner member can urge the proximal portion of the vascular device out of the tubular sleeve to deploy the vascular device. The vascular device may be recaptured within a delivery sheath prior to the full deployment of the proximal portion of the vascular device from the tubular sleeve by re-positioning the stop at the distal opening to hold the vascular device within the tubular sleeve as the delivery device is retracted with respect to the delivery sheath. | 03-21-2013 |
20130012979 | MULTI-LAYER BRAIDED STRUCTURES FOR OCCLUDING VASCULAR DEFECTS AND FOR OCCLUDING FLUID FLOW THROUGH PORTIONS OF THE VASCULATURE OF THE BODY - A collapsible medical device and associated methods of occluding an abnormal opening in, for example, a body organ, wherein the medical device is shaped from plural layers of a heat-treatable metal fabric. Each of the fabric layers is formed from a plurality of metal strands and the assembly is heat-treated within a mold in order to substantially set a desired shape of the device. By incorporating plural layers in the thus-formed medical device, the ability of the device to rapidly occlude an abnormal opening in a body organ is significantly improved. | 01-10-2013 |
20120323267 | OCCLUSION DEVICE AND ASSOCIATED DEPLOYMENT METHOD - An occlusion device for occluding a cavity defined by a body is provided, and includes first and second laterally-expandable portions each formed of a woven tubular fabric and having opposed proximal and distal ends. The first portion is insertable into the cavity so as to be substantially disposed therein upon lateral expansion thereof. A connective element tethers the distal end of the first portion and the second portion, and is cooperable therewith to form a collapsible assembly extending along an insertion axis. Retention members, operably engaged with each of the first and second portions and spaced apart about a laterally outward surface thereof, are adapted to engage the body, after insertion of the collapsed assembly, second portion-first, into the cavity, and subsequent lateral expansion of the first and second portions, so as to retain the assembly substantially within the cavity. An associated deployment method is also provided. | 12-20-2012 |
20110307000 | PERCUTANEOUS CATHETER DIRECTED INTRAVASCULAR OCCLUSION DEVICES - The present invention provides an improved vascular occlusion device having improved flexibility and retention of the type fabricated from braided tubular metal fabric having an expanded preset configuration and an elongated collapsed reduced diameter configuration for delivery through a catheter to a treatment site and shaped to create an occlusion of an abnormal opening in a body organ or vessel, the woven metal fabric having a memory property whereby the medical device tends to return to said expanded preset configuration when unconstrained. The device further including at least one disk portion adjacent a body cylindrical portion formed from the fabric and having a transition diameter between the disk and cylindrical portion, significantly smaller than the diameter of the disk and the diameter of the cylindrical portion. | 12-15-2011 |
20090210048 | STENT/STENT GRAFT FOR REINFORCEMENT OF VASCULAR ABNORMALITIES AND ASSOCIATED METHOD - A stent/stent graft for reinforcement of vascular abnormalities and an associated method are provided. According to on embodiment, the stent/stent graft includes a flexible tubular structure comprising proximal and distal ends and having a heat set configuration. The tubular structure is configured to engage a lumen upstream and downstream of a vascular abnormality, such as an aneurysm, and a portion between the proximal and distal ends of the tubular structure is configured to engage the aneurysm. | 08-20-2009 |
20090210047 | STENT GRAFT FOR REINFORCEMENT OF VASCULAR ABNORMALITIES AND ASSOCIATED METHOD - A stent graft for reinforcement of a vascular abnormalities and an associated method are provided. According to one embodiment, the stent graft includes a flexible tubular structure comprising a proximal end and a distal end and having an expanded heat set configuration. The tubular structure is configured to be constrained to a smaller diameter than the expanded heat set configuration, and the tubular structure is heat set such that at least a portion of the proximal and/or distal ends is configured to fold over on itself when unconstrained. | 08-20-2009 |
20090099647 | Multi-component vascular device - A vascular occlusion, flow restriction, shunt or filter device is disclosed comprising the assembly of at least two, of a number of selectable discrete interconnectable, interchangeable components, at least one component being of the type fabricated from metal strands braided into a tubular metal fabric having an expanded preset configuration and an elongated, collapsed reduced diameter configuration for delivery through a catheter to a treatment site and the device shaped to create an occlusion, flow restriction or shunt when placed in an opening in a body organ or vessel, the woven metal fabric having a memory property whereby the medical device tends to return to said expanded preset configuration when unconstrained. | 04-16-2009 |
20090082803 | BRAIDED VASCULAR DEVICES HAVING NO END CLAMPS - In some embodiments, a medical device may include one or more of the following features: (a) a metal fabric formed of braided metal strands, (b) the medical device having a collapsed configuration for delivery through a channel in a patient's body and having a generally dumbbell-shaped expanded configuration with two expanded diameter portions separated by a reduced diameter portion formed between opposed ends of the device and unsecured metal strand ends at the opposed ends, and (d) a thrombogenic agent located on the metal fabric. | 03-26-2009 |
20090025820 | Braided occlusion device having repeating expanded volume segments separated by articulation segments - The present invention provides a flexible, low profile vascular occlusion device having large volume filling capability and high metal content for fast occlusion, of the type fabricated from braided tubular metal fabric having an expanded preset configuration and an elongated collapsed reduced diameter configuration for delivery through a catheter to a treatment site and shaped to create an occlusion of an abnormal opening in a body organ or vessel, the woven metal fabric having a memory property whereby the medical device tends to return to said expanded preset configuration when unconstrained. The device further includes a first shape formed from the braided tubular fabric consisting of a repeating pattern of expanded volume segments separated by small diameter articulation segments and a second overall device shape comprised of the first shape formed about itself in various shapes to occlude a vessel. In one embodiment a shaping wire contained coaxially within the tubular braid, provides or assists in the formation of the second overall device shape. | 01-29-2009 |
20090018562 | Percutaneous catheter directed intravascular occlusion devices - The present invention provides an improved vascular occlusion device having improved flexibility and retention of the type fabricated from braided tubular metal fabric having an expanded preset configuration and an elongated collapsed reduced diameter configuration for delivery through a catheter to a treatment site and shaped to create an occlusion of an abnormal opening in a body organ or vessel, the woven metal fabric having a memory property whereby the medical device tends to return to said expanded preset configuration when unconstrained. The device further including at least one disk portion adjacent a body cylindrical portion formed from the fabric and having a transition diameter between the disk and cylindrical portion, significantly smaller than the diameter of the disk and the diameter of the cylindrical portion. | 01-15-2009 |
20090005847 | Branched stent/graft and method of fabrication - Branched braided stent or graft devices and processes for fabrication of the devices are disclosed in which a trunk portion and two hinge leg portions are fabricated in one piece braided from a single plurality of filaments, whereby the legs contain the full plurality of filaments and the trunk portion contains a subset of the same plurality of filaments. The fabrication process involves braiding the hinged legs on a mandrel while retaining loops of filament between the hinged leg portions for subsequent braiding of the trunk portion of the stent or graft. | 01-01-2009 |