Patent application number | Description | Published |
20120041538 | COLLAPSING STRUCTURE FOR REDUCING THE DIAMETER OF A STENT END - A collapsing structure for collapsing the crowns of a stent and method of use thereof are described. The collapsing structure comprises an inner filament engaged to an outer filament. The outer filament is interwoven through at least a portion of the crowns of the stent end so as to create a plurality of loops. The inner filament is interwoven through at least a portion of the loops of the outer filament. Pulling on the inner filament causes the loops of the outer filament to be pulled radially inward, thereby pulling the crowns towards each other to collapse the stent end. | 02-16-2012 |
20120172963 | DELIVERY DEVICE - A delivery device for deploying an expandable prosthesis and method of use thereof are described. The delivery device includes an outer sheath that is capable of retracting in a proximal direction and resheathing over the prosthesis in a distal direction. The device includes a drive pulley that can engage gears to retract or resheath the outer catheter in relation to the prosthesis. In some embodiments, the delivery device may include a reinforced outer sheath disposed over an inner elongate member, the reinforced outer sheath comprising a proximal section reinforced with a braid, a distal section reinforced with a coil and an overlapping section extending between the proximal section and the distal section. Additionally or alternatively, the delivery device may include a stabilizing element for releasably holding the stent to the inner catheter. | 07-05-2012 |
20120185031 | ROTARY AND LINEAR HANDLE MECHANISM FOR CONSTRAINED STENT DELIVERY SYSTEM - A stent delivery system and a method for implanting a stent are provided. The system includes an elongate shaft including a proximal portion, a distal portion, a lumen extending at least partially therethrough, and a stent-receiving portion on the distal shaft portion. The system also includes a stent positioned at the stent-receiving portion of the elongate shaft, the stent having a constrained configuration and an expanded configuration. Proximal and distal constraining members releasably connected to the stent and having a first position and a second position are also included. The proximal and distal constraining members cooperatively apply longitudinal tensile force to at least a portion of the stent with the proximal and distal constraining members each in the first position. A drive system configured to simultaneously move the proximal and distal constraining members is provided, including a threaded drive shaft in mechanical communication with a rotatable handle. | 07-19-2012 |
20120265156 | APPARATUS FOR ACCURATELY CONTROLLING NEEDLE EXTENSION - Devices are illustrated which provide for accurately controlling the extension of a needle from a protective sheath to increase accuracy and improve the outcome of the treatment procedure. | 10-18-2012 |
20130289711 | Anti-Aspiration Valve - A prosthesis and a method for making a prosthesis for controlling flow through a bodily lumen are provided. The prosthesis includes a body having a proximal portion, a distal portion and a lumen extending therethrough and further includes a valve operably connected to the body. The valve has a distal end including a first portion of a surface of the valve lumen and a second portion of the surface that contact each other and form a seal in a closed configuration. The distal end of the valve is formed such that the first portion and the second portion of the surface of the valve lumen contact each other and the distal end is configured to open in response to a pressure that is greater than atmospheric pressure. | 10-31-2013 |
20140025158 | Implantable Medical Device Having a Sleeve - Implantable medical devices are described. For example, various implantable medical devices having a sleeve with differential wall thicknesses are described. An exemplary medical device comprises a frame and a sleeve that has a first configuration where the sleeve is in an extended position and a second configuration where the sleeve is in an inverted position. | 01-23-2014 |
20140236279 | INNER CATHETER ARRANGEMENT FOR A SELF-EXPANDING MEDICAL DEVICE DELIVERY SYSTEM - A delivery system for a self-expanding medical device is provided. The delivery system includes an outer sheath that radially restrains the medical device. First and second inner catheters are disposed within the outer sheath. The first inner catheter is a composite structure with a closed coil wire covered by a polymer outer layer. The second inner catheter is disposed within the closed coil wire but is not attached to the closed coil wire. | 08-21-2014 |
Patent application number | Description | Published |
20120283811 | BIODEGRADABLE, BIOABSORBABLE STENT ANCHORS - Biodegradable/bioabsorbable stent anchors are provided to prevent stent migration and permit repositioning and/or removal of the stent after the anchors or portion thereof has sufficiently degraded or been absorbed. | 11-08-2012 |
20130006101 | SYSTEM FOR FIDUCIAL DEPLOYMENT - Embodiments include a fiducial deployment system including a needle and at least one splayed-end fiducial retained within the needle by frictional engagement and/or by engagement of the splayed end with one or more distal detents in the needle's lumen. A fiducial may include one or more splayed portions configured to engage the wall of the needle lumen, which may include one or more detents. The needle, which may include echogenic enhancements, may be configured to deliver a plurality of fiducials to a target location in serial fashion, one at a time. A variety of splayed-portion fiducials are disclosed. | 01-03-2013 |
20130096427 | Engaged Fiducials and System for Deployment - Embodiments include a fiducial deployment system including a needle and at least two adjacent and releasably-engaged fiducials retained within a lumen of the needle by engagement with each other and/or by engagement with a pusher element. A fiducial may include one or more mechanical engagement structures that interengage with and/or are rupturably attached to one or more adjacent fiducials. The needle, which may include echogenic enhancements, may be configured to deliver a plurality of fiducials to a target location in serial fashion, one at a time. A variety of releasably-engaged fiducials are disclosed, as are methods for use. | 04-18-2013 |
20130197356 | FIDUCIAL PLACEMENT SYSTEM AND SPLAYED STYLET - A fiducial deployment system may include one or more of a needle including a dimpled retention structure configured to releasably retain a plurality of fiducials, each of which includes a central aperture (which may be embodied as a groove or similar opening); a retention/deployment stylet that traverses through each fiducial's central aperture and releasably engages a distalmost fiducial of the plurality of fiducials with a splayed distal stylet end; a pusher cannula member; and echogenic dimpling and/or other echogenic-enhancing features on at least a distal portion of the needle. | 08-01-2013 |
20140100448 | ROTARY SAMPLE-COLLECTION NEEDLE - A rotary tissue-collection needle configured is provided with a closed distal tip and a distal aperture including a generally longitudinal cutting edge configured to excise tissue into the aperture for collection by rotation of the needle. The needle may be provided as part of a system including an outer sheath within which the needle may be rotated. The needle may be provided with echogenicity-enhancing features. | 04-10-2014 |
Patent application number | Description | Published |
20090112126 | STEPPED GUIDEWIRE WITH SHIM - A medical guidewire ( | 04-30-2009 |
20090112127 | NITINOL GUIDEWIRE - A medical guidewire ( | 04-30-2009 |
20090112253 | GUIDEWIRE FOR EMBOLIC DEVICE - A guidewire for use with an embolic protection filter and a method of deploying an embolic protection filter are provided. The guidewire includes a core wire; a core wire tip disposed at a distal end of the core wire; and a hypo shaft, coaxially disposed around the core wire, wherein the hypo shaft is moveable proximally and distally along the core wire with the core wire tip limiting a distal movement of the hypo shaft. | 04-30-2009 |
20100268266 | DEVICE FOR LOADING AN EMBOLIC PROTECTION FILTER INTO A CATHETER - A transvascular embolic protection system for safely capturing and retaining embolic material released during an interventional procedure comprises an embolic protection device ( | 10-21-2010 |
20100331952 | METHOD FOR FILTERING EMBOLIC MATERIAL - The method comprises the steps of advancing a guidewire from a first intermediate location to a further intermediate location which is proximal of the treatment location and, subsequently, advancing a medical device over the guidewire toward the further intermediate location. The method may comprise repeating these steps for additional intermediate locations. In one case the treatment location is in the carotid artery. The treatment location may be at or adjacent to the carotid bifurcation. An intermediate location may be at or adjacent to the aortic arch. An intermediate location may be at or adjacent to the carotid take-off. The medical device may be delivered over the guidewire using a delivery catheter. The delivery catheter and the medical device may be advanced through the vasculature without the use of a guide catheter. | 12-30-2010 |
20110034951 | DEVICE FOR LOADING AN EMBOLIC PROTECTION FILTER INTO A CATHETER - A device for loading an embolic protection filter into a catheter including a loading member for collapsing an embolic protection filter, wherein an outlet of the loading member is configured to be aligned with an inlet of a catheter extending along at least part of an exterior surface of the catheter for loading of the collapsed embolic protection filter into the catheter. The loading member may have a passageway extending therethrough, through which an embolic protection filter may be passed to collapse the embolic protection filter. The outlet of the loading member may include an outlet of the passageway that is at least partially funnel-shaped. The loading member may include a tubular part extendable along part of an exterior surface of a catheter, the outlet of the loading member being provided at an end of the tubular part. | 02-10-2011 |
20110054516 | EMBOLIC PROTECTION METHOD - An embolic protection filter for deployment in a vasculature, the filter having an inlet end and an outlet end, the inlet end having one or more inlet openings sized to allow blood and embolic material enter the filter, and the outlet end of the filter having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter. The filter is movable between a collapsed configuration for movement through a vasculature, and an outwardly extended configuration for deployment in a vasculature. The filter at least in the collapsed configuration was a guidewire lumen defined at least partially therethrough for passing the filter over a guidewire. The guidewire lumen is defined by a lumen-defining member which is spaced proximally of the distal end of the filter. | 03-03-2011 |
20110190865 | Mechanically Expandable Delivery and Dilation Systems - A stent delivery system, a dilator system and a method for implanting a stent are provided. The stent delivery system includes an elongate shaft including a proximal portion, a distal portion, a lumen extending at least partially therethrough, and a stent receiving portion on the distal portion of the shaft. The stent delivery system also includes a stent positioned at the stent receiving portion of the elongate shaft, the stent having a constrained configuration and an expanded configuration. A proximal constraining member and a distal constraining member releasably connected to the stent and having a first position and a second position are also included. The proximal constraining member and the distal constraining member cooperatively apply longitudinal tensile force to at least a portion of the stent with the proximal and distal constraining members each in the first position. | 08-04-2011 |
20130289740 | Anti-Aspiration Prosthesis - A prosthesis and a method of manufacturing the prosthesis for controlling flow through a bodily lumen are provided. The prosthesis includes a body having a proximal portion, a distal portion and a lumen extending therethrough. The prosthesis also includes a valve operably connected to the body. The valve has a proximal portion, a distal portion and a lumen extending through the valve, where the valve lumen is connected to the body lumen. The valve is configured to be closed in the absence of an antegrade pressure and a retrograde pressure, the retrograde pressure being greater than the antegrade pressure. The valve includes a material portion operably connected to the valve, the material portion providing increased stiffness to the valve relative to the valve alone, wherein the material portion is configured to facilitate self-reversion of the valve to the closed configuration. | 10-31-2013 |
20140031951 | Two-Way Valve - A medical device and a method for controlling flow through a bodily lumen are provided. The medical device includes a valve device positioned within the bodily lumen. The valve device includes a movable member movable within the bodily lumen and a magnetic portion operably connected to the movable member to facilitate positioning the movable member in a first configuration. The magnetic portion has a magnetic attraction to another magnetic portion or a portion of the valve device having a charge opposite a charge of the magnetic portion. The valve device is movable from the first configuration substantially closing the bodily lumen in the presence of a first pressure within the bodily lumen to a second configuration in response to a second pressure that is greater than the first pressure. The valve device is open in the second configuration and the movable member is normally positioned in the first configuration. | 01-30-2014 |
20140142609 | EMBOLIC PROTECTION SYSTEM - An embolic filter having a filter support frame with a collapsed and an expanded configuration and a collapsible filter body supported by the support frame. The filter body has inlet and outlet ends. The filter body includes a proximal section having a longitudinally extending cylindrical shape and a distal section having a longitudinally extending conical shape that tapers in the distal direction. The support frame includes a plurality of alternating first segments such that, when the support frame is in the expanded configuration, the alternating first segments circumferentially extend in a first zigzag path to support the proximal, cylindrically shaped section of the filter body. The support frame includes a plurality of alternating second segments such that, when the support frame is in the expanded configuration, the alternating second segments circumferentially extend in a second zigzag path to support the proximal, cylindrically shaped section of the filter body. | 05-22-2014 |
20140195006 | Multi Valve Anti-Reflux Prosthesis - A prosthesis and a method of controlling flow through a bodily lumen are provided. The prosthesis includes a body having a proximal portion, a distal portion and a lumen extending therethrough. The prosthesis also includes a first valve and a second valve operably connected to the body. The first valve has a proximal portion, a distal portion, a distal end extending distally relative to the proximal portion of the body and a lumen extending through the first valve. The first valve is dosed in the absence of a second and third pressure that are greater than a first pressure. The second valve has a proximal portion, a distal portion, a distal end extending distally relative to a proximal portion of the body and a lumen extending through the second valve, the distal end of the first valve extending distal to the distal end of the second valve. | 07-10-2014 |