Patent application number | Description | Published |
20090299460 | Bifurcated Stent and Delivery System - A delivery system has a stent and a balloon The stent has a first section made of a plurality of interconnected framework members which define a plurality of potential side branches. The balloon is a dual lumen balloon that can inflate from the proximal end to the distal end with a plurality of protrusions and/or herniations. | 12-03-2009 |
20100030143 | FOLDING APPARATUS AND METHODS FOR BIFURCATION POST-DILATATION BALLOON - A post dilatation balloon catheter includes a balloon member having a proximal portion, a distal portion and a circumferential bulge portion. The circumferential bulge portion extends around a circumference of the balloon member and is positioned at a location between the proximal and distal portions of the balloon member. The circumferential bulge portion inflates to a maximum inflated dimension that is greater than a maximum dimension of the proximal and distal portions of the balloon member. The balloon member is arranged into a folded state by folding at least one of the distal and proximal portions of the balloon member in a separate step from folding the circumferential bulge portion. | 02-04-2010 |
20100069837 | Balloon Assembly and Method for Therapeutic Agent Delivery - A balloon assembly includes an elongated balloon, one or more cutting elements engaged to the balloon, and one or more therapeutic agents disposed within an opening defined by the cutting blades. The balloon assembly converts energy into heat to enhance elution of the therapeutic agent at the treatment site | 03-18-2010 |
20100137973 | Layered Bifurcation Stent - An implantable medical device has an outer stent with a tubular body disposed about a longitudinal axis. The outer stent includes members defining openings which are in fluid communication with a flow path. At least one opening is larger than adjacent openings when the outer stent is in an expanded state, and is positioned between the ends of the outer stent. The at least one larger opening is a side branch opening having a perimeter. The device also has an inner stent with a tubular body disposed within the outer stent and about a longitudinal axis. The inner stent has a branch portion with deployable petals positioned adjacent to the side branch opening of the outer stent. The petals are biased against the perimeter of the side branch opening such that the petals are restrained from opening outward when the outer stent is in an unexpanded state. | 06-03-2010 |
20100152711 | OFFSET COUPLING REGION - The invention provides a medical device delivery system comprising an offset coupling region interposed between an elongated hypotube guide member or catheter and a support segment. The medical device to be delivered is disposed about the support segment and contained and/or constrained within a containment element. The medical device may be released from the containment element by moving an actuation element from a first position to a second position. The offset coupling region allows the actuation element to exit a lumen within the guide member and to engage the containment element in the first position while traveling along a line generally coaxial with the lumen of the guide member. | 06-17-2010 |
20100152830 | Single Wire Stent Delivery System - A stent delivery system for deployment at a bifurcated vessel includes a catheter and a balloon. The length of the balloon is defined by a proximal balloon region and a distal balloon region. The proximal balloon region is disposed about a first longitudinal axis and the distal balloon region is disposed about a second longitudinal axis. The balloon has an unexpanded state and an expanded state, and a bend along its length. The proximal balloon region intersects the distal balloon region at the bend. In both the unexpanded state and the expanded state, at least one of the first longitudinal axis and the second longitudinal axis define an oblique angle relative to the main vessel longitudinal axis. | 06-17-2010 |
20110054593 | SHEATHLESS EMBOLIC PROTECTION DEVICE - An intravascular distal protection device, comprising a guidewire having a proximal end and a distal end, a filtering material disposed about the guidewire, the filtering material having a proximal edge defining a proximally facing opening when in an expanded position, a hoop wire having a proximal end and a distal end and slidably attached to the proximal edge, the hoop wire wrapped in a helical coil about the guidewire in a first contracted position and defining a hoop at the proximal end of the filtering material in the expanded position, and an actuation member attached to the hoop wire and extending at least substantially to the proximal end of the guidewire and configured to move the hoop wire between the first contracted position and the expanded position. | 03-03-2011 |
20110082492 | EMBOLIC PROTECTION DEVICE - The invention provides an embolic filter, a support structure therefor, and methods for preparing said filter for deployment and retrieval. | 04-07-2011 |
20110125180 | EMBOLIC PROTECTION DEVICE - The disclosure relates to an embolic filter, a support structure therefor, and methods for maintaining said filter in a compact state prior to deploying the filter. | 05-26-2011 |
20110137333 | EMBOLIC PROTECTION DEVICE - The disclosure describes an embolic filter and a support structure therefor. | 06-09-2011 |
20110137334 | Electroactively Deployed Filter Device - A medical device for capturing emboli from a blood vessel. An example medical device may include an elongated guide member. The elongated guide member may include a proximal end, a distal end, a first conductive lead, and a second conductive lead. The medical device may also include a power source connected to the first conductive lead and the second conductive lead. The medical device may also have a filter having a proximal end and a distal end, wherein the proximal end is coupled to the first and second conductive leads. The activation of the power source may transition the filter from a first compressed shape to a second expanded shape. | 06-09-2011 |
20110150965 | MEDICAL DEVICES HAVING ADHERENT POLYMERIC LAYERS WITH DEPTH-DEPENDENT PROPERTIES - According to one aspect of the invention, a method of forming a medical device is provided, which includes: (a) contacting a substrate with a solution that contains (i) one or more types of polymers, (ii) a solvent that contains one or more types of solvent species, and (iii) one or more optional agents, for example, one or more therapeutic agents, among others; and (b) removing the solvent from the solution, thereby forming a polymeric layer on the substrate. The composition of the solution is changed over the course of forming the polymeric layer. In another aspect of the invention, a medical device is provided, which includes a substrate and a polymeric layer over the substrate. The polymeric layer contains a copolymer that contains differing first and second monomers. The lower surface of the polymeric layer contacting the substrate has a surface concentration of the first monomer relative to the second monomer that is higher than that of the upper surface of the polymeric layer opposite the substrate. | 06-23-2011 |
20110160645 | Cryo Activated Drug Delivery and Cutting Balloons - Physical property changes in materials between body temperature and a cryotreatment temperature are used to benefit auxiliary functional structures on a cryotherapy device. The auxiliary functional structures may be drug delivery coatings, cutting balloon blades, balloon stiffeners or force concentrators. | 06-30-2011 |
20110190863 | Therapeutic Balloon with Systemic Drug Loss Protection and Controlled Particle Size Release - Systemic drug loss protection devices are disclosed. The drug loss protection device includes a balloon and a drug particulate filter. The drug particulate filter has a plurality of openings and is configured to selectively permit transmission of drug particulates through the filter. Consequently, the size of the openings in the filter regulates transmission of the drug particulates. The drug particulate filter can also be used as an embolic filter. | 08-04-2011 |
20120303110 | Reduced Foreshortening Stent With Bio-Resorbable Fibers - A device and method for reducing stent foreshortening are provided herein. The device includes a balloon and stent thereon. The stent has a first end portion and a second end portion and bio-resorbable fibers disposed over at least a portion of the first end portion and the second end portion. The bio-resorbable fibers over the end portions prevent the ends of the stent from prematurely expanding, thereby reducing stent foreshortening. | 11-29-2012 |
20130123835 | EMBOLIC PROTECTION DEVICE AND METHOD - An embolic protection device adapted for placement in a left subclavian artery, a right subclavian artery and to cover a left and a right carotid artery, the device having a reduced state and an expanded state, the device comprising an expandable support structure, the expandable support structure comprising a frame, the frame further comprising a porous material, the frame defining the circumference of the porous material in the expanded state. | 05-16-2013 |
20130131714 | EMBOLIC PROTECTION DEVICE AND METHODS OF MAKING THE SAME - An embolic protection device, the device expandable from a first low profile configuration to a second expanded configuration, the device adapted for implantation body lumen, the device comprising an expandable support structure comprising radially expandable tubular first and second end portions and a laterally expandable central portion extending between the first and second end portions. | 05-23-2013 |
20130150880 | SUBINTIMAL RECANALIZATION WITH BIO-ABSORBABLE STENT - A recanalization catheter assembly and method for establishing a subintimal pathway around an occlusion in a blood vessel. The recanalization catheter assembly an inflatable balloon structure including a distal anchoring portion configured to expand within a true lumen portion of the blood vessel distal of the occlusion to anchor the recanalization catheter from unintentional movement during expansion of a stent in the subintimal pathway. The expandable stent, such as a bioabsorbable stent, may be configured to promote native tissue regrowth around the stent to create a superficial intimal layer along the subintimal pathway. | 06-13-2013 |
20130190865 | VALVE ASSEMBLY WITH A BIOABSORBABLE GASKET AND A REPLACEABLE VALVE IMPLANT - A percutaneous prosthetic heart valve assembly comprising a radially expandable anchor docking member, the anchor docking member having an unexpanded state and an expanded state, in the expanded state, the anchor docking member comprising a mechanism for receiving and engaging an implantable heart valve and a bioabsorbable gasket member disposed about the anchor docking member, the bioabsorbable gasket member comprising a bioabsorbable polymer material, the bioabsorbable gasket member having an unexpanded and an expanded state. | 07-25-2013 |
20130317528 | SUBINTIMAL RE-ENTRY DEVICE - A subintimal recanalization catheter, including an elongate shaft including a first tubular member and a penetration member slidably disposed in a lumen of the first tubular member. The penetration member includes a distal tip positioned proximal of a distal nose of the first tubular member. The distal nose of the first tubular member includes a ramp and a guide wire lumen extending through the distal nose of the first tubular member. Longitudinal movement of the penetration member relative to the first tubular member causes the penetration member to contact the ramp to direct the distal tip of the penetration member away from the first tubular member. | 11-28-2013 |
20140081312 | TORQUE MECHANISM ACTUATED BIOABSORBABLE VASCULAR CLOSURE DEVICE - Embodiments of the present disclosure include medical devices and methods including a medical device including: an elongate core element, and a generally tubular torsion element surrounding the core element and capable of transmitting torque along its length. The torsion element has a spiral incision that has a proximal end and a distal end. | 03-20-2014 |