Patent application number | Description | Published |
20080288055 | Monocuspid Prosthetic Valve Having a Partial Sinus - The disclosure relates to an expandable valve prosthesis for regulating flow through a body vessel. The prosthesis comprises a frame configured to form a laterally asymmetric partial sinus and a valve member. | 11-20-2008 |
20080306465 | Adjustable Length Catheter - An adjustable length catheter device, a kit and a method of providing the adjustable length catheter device to a patient are provided. The catheter device includes an elongate shaft having a proximal portion, a distal portion, a first lumen and a second lumen extending at least partially therethrough. The catheter device further includes a manifold operably connected to the shaft. The manifold is configured to longitudinally move along the shaft towards the distal portion for separating the proximal portion of the shaft into a first proximal shaft portion including the first lumen and a second proximal shaft portion including the second lumen. | 12-11-2008 |
20090018637 | TUBULAR DEVICES HAVING REVERSIBLE COMPONENTS FOR DEPLOYMENT OF ENDOLUMINAL OCCLUDERS AND RELATED METHODS AND SYSTEMS - Described are devices, methods, and systems useful for deploying one or more occlusive prostheses within the vasculature of a patient. Illustrative devices can include a deployment tube or sheath that contains an occlusive prosthesis, wherein a segment of the sheath is reversible by a user so as to deploy the prosthesis from the sheath lumen within a bodily lumen of a patient. | 01-15-2009 |
20090112237 | VASCULAR CONDUIT AND DELIVERY SYSTEM FOR OPEN SURGICAL PLACEMENT - A vascular conduit device and a delivery system for intraoperative repair damaged portion of an artery or vein and methods of use are provided. The device has a cylindrical body and may include a shaped member, such as a microbarb, configured to anchor into the tunica intima and the tunica media of the vessel wall, and not to the tunic adventitia and vasa vasorum. Various configurations and orientations of the microbarbs are provided, including microbarbs that are preferably aligned at an acute angle in the range of about 5 to 30 degrees and having a substantially parallel surface. The delivery system preferably has a translatable dilator tip that when retracted is configured to engage with the device during delivery. When the dilator tip is extended, the device can be implanted into the vessel wall. The vascular conduit device can be assembled during the emergency open surgical procedure. | 04-30-2009 |
20090118745 | PATENT FORAMEN OVALE CLOSURE APPARATUS AND METHOD - An apparatus for closure of a patent foramen ovale of a patient comprises a frame member defining respective first, second and third frame segments, and a growth and/or clot promoting material positioned on at least one of the segments. The frame member is alignable in a generally elongated first position for deployment via a delivery catheter, and is elastically movable therefrom to a compressed second position when the frame member is deployed across the foramen ovale. The frame segments are structured and arranged such that upon deployment of the apparatus across the foramen ovale, the first frame segment is disposed distal of the atrial septum, the second frame segment is disposed intermediate the atrial septum and the tissue flap, and the third frame segment is disposed proximal of the tissue flap. | 05-07-2009 |
20090132037 | Valve Frame - The disclosure relates to support frames for prosthetic implantable valves. The support frames may include a plurality of symmetrically arrayed interconnected U-shaped member structures. Preferred support frames are tubular structures enclosing a longitudinal axis and including a plurality of U-shaped member structures facing a distal or a proximal end of the support frame. Each U-shaped member structure may be connected to a single longitudinally adjacent U-shaped member facing in an opposite longitudinal direction, as well as two laterally adjacent U-shaped members. | 05-21-2009 |
20090138078 | Remodelable Prosthetic Valve - Prosthetic medical devices with delayed valve function and in situ remodeling of a portion thereof are provided, as well as methods of manufacturing the medical devices and methods of treatment using the medical devices. The medical devices may be adapted to initially maintain a remodelable material within a body vessel in a first configuration suitable to contact the remodelable material with a body fluid contacting the remodelable material for a first time period or a second configuration adapted to regulate the flow of body fluid contacting the remodelable material. The medical devices may include a releasable holding member configured to retain the remodelable material in the first configuration. | 05-28-2009 |
20090143851 | METHOD AND DEVICE FOR VASCULAR THERAPY - Medical devices, as well as methods of treatment and manufacturing such devices, are provided for applying vascular therapy locally within the body vessel. The medical devices include an expandable tubular frame and a sleeve. The medical devices can be used for local delivery of a therapeutic agent within a body vessel or a tamponade for a lacerated body vessel, while simultaneously allowing perfusion of fluid or blood flow distal of the implanted medical device. The tubular frame of the medical device can have a middle region with a plurality of members. The members can expand radially outward away from a longitudinal axis of the tubular frame, which can urge the sleeve to contact the wall of the body vessel. In the expanded configuration, a portion of the device allows fluid flow to continue while the sleeve is against the body vessel wall. | 06-04-2009 |
20090177270 | Flow-Deflecting Prosthesis for Treating Venous Disease - The disclosure relates to a flow-deflecting medical device comprising a support structure and at least one flow-deflecting member attached to the support structure. The flow-deflecting member is at least partially evertible between a first position and a second position. In the first position, antegrade flow contacts the antegrade surface of the flow-deflecting member, urging the flow-deflecting member proximally in the body vessel such that antegrade flow is substantially uninterrupted. In the second position, retrograde flow contacts the retrograde surface of the flow-deflecting member, urging the flow-deflecting member distally in the body vessel, such that retrograde flow is received and redirecting by the flow-deflecting member. Also provided is a method for treating a body vessel valve-related condition comprising implanting a flow-deflecting medical device proximal to a native valve. | 07-09-2009 |
20090264991 | BRANCHED VESSEL PROSTHESIS - The present disclosure describes an implantable branched vessel prosthesis, such as a prosthetic valve, having both a radially expandable annular portion and a laterally extendable branch portion. Methods of delivering the branched vessel prosthesis to a branched body vessel are also provided, as well as delivery systems comprising the branched vessel prosthesis. The branched vessel prostheses are useful, for example, as implantable prosthetic venous valves for treating venous valve insufficiency. The delivery system is configured to deploy independently both the annular portion within a primary vessel and the branch portion within a branch vessel with only one delivery system. | 10-22-2009 |
20100057191 | IMPLANTABLE VASCULAR DEVICE - An valve prosthesis, such as an artificial venous valve, having a support frame and leaf structure comprising one or more leaflets in which the outer edge of each leaflet engages the inner circumference of the bodily passageway along a serpentine path urged against the passageway by an expandable frame, while the inner edges move in response to fluid to restrict retrograde flow. Optionally, one or more elements can extend from the support frame/leaf structure to provide centering support and/or protection from the leaflet adhering to the vessel wall. In one embodiment, the centering support structure comprises a second or third expandable frames attached to and extending from the proximal and/or distal ends of main valve structure and support frame. In another embodiment, one or more support elements extend outward from the valve support frame to engage the vessel wall to provide greater longitudinal stability. | 03-04-2010 |
20100168837 | BLOOD PERFUSION DEVICE - Medical devices, as well as methods of treatment and manufacturing such devices, are provided for applying vascular therapy locally within the body vessel. The medical devices include an expandable tubular frame and a sleeve or graft material. The medical devices can be used for local delivery of a therapeutic agent within a body vessel or a tamponade for a lacerated body vessel, while simultaneously allowing perfusion of fluid or blood flow distal of the implanted medical device. The tubular frame of the medical device may have a proximal non-expanding portion and a distal self-expanding support structure. The self-expanding support structure can expand radially outward to urge the graft material to contact the wall of the body vessel. In the expanded configuration, a portion of the device allows fluid flow to continue while the sleeve is against the body vessel wall. | 07-01-2010 |
20100174361 | PROSTHETIC VALVE WITH SEMI-RIGID AND FLEXIBLE LEAFLETS - The invention relates to a prosthetic valve for regulating fluid flow through a body lumen. The valve includes a frame and a valve member comprising at least one semi-rigid leaflet and at least one flexible leaflet. | 07-08-2010 |
20100280586 | MEDICAL DEVICE WITH TENSIONABLY ATTACHED REMODELABLE MATERIAL - Medical devices for implantation in a body vessel, and methods of using and making the same, are provided. A medical device includes a support frame having struts and a weakened frame portion, and a remodelable material tensionably attached to the support frame. The weakened frame portion has a first configuration in which the support frame has a first outward radial force and a second configuration in which the support frame has a second, lesser outward radial force. The remodellable material restricts expansion of the frame from a radially compressed configuration to a radially expanded configuration when the weakened frame portion is in the first configuration. The remodelable material can form one or more valve leaflets adapted to regulate fluid flow in a body vessel, such as a vein. | 11-04-2010 |
20110166593 | OCCLUDING DEVICE - An occluding device is provided for occluding fluid flow through a lumen of a body vessel. The occluding device includes an expandable tubular body having a tubular wall defining a lumen formed therethrough. The tubular wall has a proximal end extending to a distal end along a longitudinal axis of the tubular body. A plurality of longitudinal slits is formed through the tubular wall to define a plurality of flexible strips bound by a proximal non-slit portion and a distal non-slit portion. A plurality of barbs is disposed on the flexible strips. The tubular body is configured to open radially to engage the barbs with the vessel wall defining an expanded state and to collapse along the longitudinal axis to draw the vessel wall radially inward defining a collapsed state. Occluding material is housed within the lumen of the tubular body and the occluding material is configured to move between a collapsed state and an expanded state with the tubular body. | 07-07-2011 |
20110178547 | DEVICE AND METHOD FOR CLOSURE OF VESSEL ACCESS SITE - A device for closure of an opening formed in a body vessel includes a grasping member and a sheath movable thereover. The grasping member comprises a tubular body having a plurality of grasping fingers extending from a distal end of the tubular body. The fingers radially extend from the tubular body at a first angle, and are collapsible therefrom to a second angle. The fingers have a distal tip configured for grasping an outer wall of the body vessel surrounding the vessel opening when the fingers are at the first angle. The sheath is slidable over the tubular body and at least a portion of the grasping fingers for collapsing the fingers from the first angle to the second angle, thereby causing the collapsed fingers to at least substantially close the opening. | 07-21-2011 |
20110288581 | DEVICES AND METHODS USEFUL FOR SEALING BODILY OPENINGS - Among other things, there are disclosed apparatuses and methods for medically sealing an opening in a vessel or wall. For example, in medical applications, a delivery tube is provided for insertion through a sheath into a vessel (e.g. a blood vessel). A dome-shaped seal fixed to a filament, an absorbent and/or compressible buffer, and a locking member are provided in the delivery tube. The delivery tube is configured so that it can be inserted into the vessel through a sheath. Tension is maintained on the filament to hold the seal against the tube or sheath. The sheath is pulled out, which pulls out the tube at the same time, leaving the seal over the opening in the vessel wall. The locking member compresses the buffer against the outside of the vessel and with the filament holds the seal in place against the inside of a vessel. | 11-24-2011 |
20120035706 | BLOOD PERFUSION DEVICE DELIVERY SYSTEM - A delivery system deploys a prosthesis for open surgical repair of a body vessel. The system includes a sleeve to retain segments of a prosthesis in a compressed configuration and retraction members. The sleeve has outer segments associated with each end of the prosthesis. Retraction of the retraction members removes the outer segments of the sleeve from the prosthesis outer ends to allow for expansion of the outer ends of the prosthesis in an outside-in direction. The system can include a handle and an actuation member movably attached to the handle. The actuation member is coupled to the sleeve outer segments so that movement of the actuation member corresponds to removal of the sleeve. The system can include elements to retain the sleeve outer segments to the actuation member and to redirect the retraction members to a direction different from the axis of the prosthesis. | 02-09-2012 |
20120035708 | BLOOD PERFUSION DEVICE - A perfusion device and a delivery system for repair of a damaged portion of a body vessel. Perfusion device can include a tubular body that is self-expandable, having a proximal portion, a distal portion, and an intermediate portion. One or more series of barbs can be disposed circumferentially along the intermediate portion. Barbs are capable of penetrating into the tunica intima and tunica media of said vessel wall upon insertion of said device into said body vessel, and not into said tunica adventitia. A graft can be associated with the tubular body. Graft has a proximal end and a distal end, and preferably extends entirely along a luminal wall of the tubular body. Graft may also extend along an exterior surface of the tubular body at the proximal and distal portions. A remodelable covering can be applied along the intermediate portion. Delivery devices for the perfusion implant and methods of delivering the perfusion implant are also provided. | 02-09-2012 |
20120109291 | Artificial Valve Prosthesis with a Free Leaflet Portion - One embodiment of the present invention provides an implantable valve prosthesis. The valve prosthesis includes a frame defining a lumen extending between a proximal frame end and a distal frame end along a longitudinal axis, and a first valve leaflet positioned within the lumen and having a distal edge attached to the frame and a proximal edge free of the frame. The first valve leaflet comprises a first and a second slit extend distally from the proximal edge and defining a free portion of the first valve leaflet between the first and second slits. The first valve leaflet is movable between a first position that allows fluid flow in a first, antegrade, direction and a second position that restricts flow in a second, retrograde direction. | 05-03-2012 |
20120116447 | DEVICES AND METHODS USEFUL FOR SEALING BODILY OPENINGS - Among other things, there are disclosed apparatuses and methods for medically sealing an opening in a vessel or wall. For example, in medical applications, a delivery tube is provided for insertion through a sheath into a vessel (e.g. a blood vessel). A dome-shaped seal fixed to a filament, an absorbent and/or compressible buffer, and a locking member are provided in the delivery tube. The delivery tube is configured so that it can be inserted into the vessel through a sheath. Tension is maintained on the filament to hold the seal against the tube or sheath. The sheath is pulled out, which pulls out the tube at the same time, leaving the seal over the opening in the vessel wall. The locking member compresses the buffer against the outside of the vessel and with the filament holds the seal in place against the inside of a vessel. | 05-10-2012 |
20120123518 | Flow-Deflecting Medical Device - The disclosure relates to a flow-deflecting medical device comprising a support structure and two flow-deflecting members attached to the support structure. The first flow-deflecting member is movable to a position in which it contacts and substantially seals against the second flow-deflecting member. | 05-17-2012 |
20120179172 | VESSEL CLOSURE DEVICE - A device and system for closure of an opening formed in a body vessel includes a bioabsorbable grasping member and locking member. The grasping member includes grasping lingers that are radially collapsible to the closed positions by movement of the locking member over the fingers. A distal portion of the fingers is configured to grasp an outer wall portion of the body vessel surrounding the opening when the fingers are in the open position. Movement of the locking member can cause the fingers to at least substantially close the vessel opening. Structural features on the fingers and/or locking member can inhibit proximal or distal movement of the locking member when in a locking position. A detachable arm can be coupled to the grasping member to facilitate placement of the grasping member. A sheath can fit over the detachable arm and be configured to move the locking member over the fingers. | 07-12-2012 |
20120232636 | METHOD AND DEVICE FOR VASCULAR THERAPY - Medical devices, as well as methods of treatment and manufacturing such devices, are provided for applying vascular therapy locally within the body vessel. The medical devices include an expandable tubular frame and a sleeve. The medical devices can be used for local delivery of a therapeutic agent within a body vessel or a tamponade for a lacerated body vessel, while simultaneously allowing perfusion of fluid or blood flow distal of the implanted medical device. The tubular frame of the medical device can have a middle region with a plurality of members. The members can expand radially outward away from a longitudinal axis of the tubular frame, which can urge the sleeve to contact the wall of the body vessel. In the expanded configuration, a portion of the device allows fluid flow to continue while the sleeve is against the body vessel wall. | 09-13-2012 |
20120330331 | METHOD FOR OPEN SURGICAL PLACEMENT - A method for open surgical repair of a damaged portion of an artery or vein. A tubular medical assembly may include one or more shaped members, such as microbarbs, configured to anchor into the tunica intima and the tunica media of the vessel wall, and not to the tunic adventitia and vasa vasorum. The medical assembly is delivered to the damaged vessel portion via a delivery device through an open air pathway, and forms a conduit between transected ends of the damaged vessel. | 12-27-2012 |
20130023802 | APPARATUS AND METHOD FOR DESTRUCTION OF VASCULAR THROMBUS - A device for thrombolytic therapy is provided. The device includes an elongate catheter with a distal end portion and a proximal end portion and a first lumen extending through both distal and proximal end portions. The distal end portion of the catheter includes an echogenic tubular potion that defines or surrounds a portion of the first lumen. An expandable balloon coaxially surrounds the tubular portion. The tubular portion additionally includes a plurality of indentations defined upon an outer surface thereof. | 01-24-2013 |
20130226291 | IMPLANTABLE VASCULAR DEVICE - A valve prosthesis, such as an artificial venous valve, is described. The valve prosthesis has a support frame formed from a cannula and an attached covering that defines an opening adapted to move between a first position in which the opening is open to fluid flow and a second position in which the opening is closed to fluid flow. The support frame includes a leaflet support portion and a circumferential centering support element disposed adjacent the leaflet support portion with respect to a lengthwise axis of the support frame and mirroring the leaflet support portion with respect to a transverse axis of the support frame. | 08-29-2013 |
20140053415 | CATHETER TIP CUTTING TOOL - A cutting tool is provided for cutting the end of a catheter to provide custom length catheters. The cutting tool has a cutting member that moves within the cutting passageway in the housing. The catheter is positioned within a catheter passageway in the housing. The cutting passageway transacts the catheter passageway so that a blade on the cutting member crosses the catheter passageway and cuts through the width of the catheter to form a cut end on the catheter. | 02-27-2014 |
20140114347 | VASCULAR CLOSURE WITH MULTIPLE CONNECTIONS - Among other things, methods and apparatus for inserting devices for closing a tissue opening are disclosed. An anchoring or sealing member has one or more stems and/or filaments that are offset from the center of the member, so that lateral adjustments or movements of the anchoring or sealing member do not uncover the opening, cause the anchoring or sealing member to stick through or pull through the opening. Embodiments including a valve adapted to accommodate a guide wire for addressing emergencies are also disclosed. | 04-24-2014 |
20140114348 | VASCULAR CLOSURE WITH SHAPE MEMORY CHARACTERISTIC - Among other things, there is disclosed devices for closing an internal opening, e.g. a hole in a blood vessel, that includes a shape memory function. Particular substances have been found to provide advantages in use, and in particular forms of closure structures. | 04-24-2014 |
20140172012 | VASCULAR CLOSURE DEVICE SUTURE TENSION MECHANISM - Systems and methods for sealing an opening in a wall within the body of a patient are disclosed. In one embodiment, the system has an elongated body coupled to a vascular closure device and a resisting member, the elongated body having a high resistance portion and a low resistance portion and being constructed and arranged to interface with a resisting member to apply a conforming force to a vascular closure device. In some exemplary embodiments, the elongated body comprises a large diameter portion positioned in a proximal end region of the elongated body. Methods and other embodiments are disclosed. | 06-19-2014 |
20140277113 | VASCULAR CLOSURE DEVICE SUTURE TENSION LIMITING AND INDICATION MECHANISM - Disclosed is an apparatus and system that includes an elongated body, a vascular closure device that can occlude a hole in a vessel wall coupled to a distal end of the elongated body, a sleeve assembly and a biasing member arranged to elastically deform coupled between the elongated body and the sleeve assembly, where the elongated body is longitudinally displaceable with respect to the sleeve assembly, wherein the biasing member exerts a force on the elongated body approximately proportional to a longitudinal displacement between the elongated body and the sleeve assembly and where the biasing member is arranged deform a discernible amount when a conforming force sufficient to occlude the hole is applied to the elongated body through the biasing member and the sleeve assembly. | 09-18-2014 |
20140277116 | DELIVERY SYSTEM FOR TISSUE OPENING CLOSURES - Among other things, methods and apparatus for inserting devices for closing tissue openings are disclosed. Examples may include a handle, sheath and/or sleeve for insertion into a patient and through or adjacent a tissue defect, fistula, or other tissue opening to be closed. Winding mechanisms for operation in or with such inserting devices are also described. | 09-18-2014 |
20150088189 | OCCLUDING DEVICE - An occluding device is provided for occluding fluid flow through a lumen of a body vessel. The occluding device includes an expandable tubular body having a tubular wall defining a lumen formed therethrough. The tubular wall has a proximal end extending to a distal end along a longitudinal axis of the tubular body. A plurality of longitudinal slits is formed through the tubular wall to define a plurality of flexible strips bound by a proximal non-slit portion and a distal non-slit portion. A plurality of barbs is disposed on the flexible strips. The tubular body is configured to open radially to engage the barbs with the vessel wall defining an expanded state and to collapse along the longitudinal axis to draw the vessel wall radially inward defining a collapsed state. Occluding material is housed within the lumen of the tubular body and the occluding material is configured to move between a collapsed state and an expanded state with the tubular body. | 03-26-2015 |