W. L. GORE & ASSOCIATES, INC. Patent applications |
Patent application number | Title | Published |
20150336033 | Filtration Article Containing A Filtration Material Having Twisted Pleats Therein - A filtration device having therein a pleated, twisted filtration material is provided. The filtration material has a generally cylindrical shape and includes a first end, a second end opposing the first end, and outwardly projecting pleats. The pleats have a non-linear orientation within the filtration device. The twisting of the filtration material moves the ends of the pleats a distance around the circumference of the filtration material from a first position (P | 11-26-2015 |
20150265391 | DEVICES AND METHODS RELATED TO DEPOSITED SUPPORT STRUCTURES - The present disclosure describes medical devices comprising a bio-corrodible stent member and a graft member. The bio-corrodible stent member can comprise a metal applied directly to the graft member via a vapor deposition process, such as a chemical or physical vapor deposition process. | 09-24-2015 |
20150258251 | DRUG COMPOSITION AND COATING - According to the invention there is provided inter alia a medical device for delivering a therapeutic agent to a tissue, the device having a solid surfactant-free particulate coating layer applied to a surface of the device, the coating layer comprising a therapeutic agent and at least one non-polymeric organic additive which is hydrolytically stable; wherein at least a proportion of the particulate coating layer comprising the therapeutic agent and the at least one organic additive melts as a single phase at a lower temperature than the melting point of the therapeutic agent and the at least one organic additive when in pure form; wherein the therapeutic agent is paclitaxel; and wherein the therapeutic agent, when formulated in the coating layer, is stable to sterilization. | 09-17-2015 |
20150230563 | Methods for Forming Seamless Shoe Inserts - Waterproof, breathable socks, booties, shoe inserts, and footwear assemblies containing the shoe inserts are provided. The booties and shoe inserts include a laminate of a seamless ePTFE membrane and at least one textile. The bootie is conformable over a range of sizes and shoe shapes, and may be shaped to fit numerous sizes and shapes of asymmetrical shoe lasts. The bootie may shrink to fit, or, alternatively, be stretched to fit, an asymmetrical last having a desired size to form a shoe insert. Such a conformable bootie eliminates the need to have multiple sizes of shoe inserts correlating to particular shoe sizes. In embodiments where the ePTFE is seamless and continuous, the shoe insert eliminates the need for a waterproof seam tape, which is conventionally used to make shoe inserts waterproof. Methods of forming the socks, booties, and shoe inserts are also provided. | 08-20-2015 |
20150230554 | Conformable Booties, Shoe Inserts, and Waterproof Breathable Socks Containing an Integrally Joined Interface - Waterproof, breathable socks, booties, shoe inserts, and footwear assemblies containing the shoe inserts are provided. The booties and shoe inserts include a laminate of a seamless ePTFE membrane and at least one textile. The bootie is conformable over a range of sizes and shoe shapes, and may be shaped to fit numerous sizes and shapes of asymmetrical shoe lasts. The bootie may shrink to fit, or, alternatively, be stretched to fit, an asymmetrical last having a desired size to form a shoe insert. Such a conformable bootie eliminates the need to have multiple sizes of shoe inserts correlating to particular shoe sizes. In embodiments where the ePTFE is seamless and continuous, the shoe insert eliminates the need for a waterproof seam tape, which is conventionally used to make shoe inserts waterproof. Methods of forming the socks, booties, and shoe inserts are also provided. | 08-20-2015 |
20150230553 | Conformable Booties, Shoe Inserts, and Footwear Assemblies Made Therewith, and Waterproof Breathable Socks - Waterproof, breathable socks, booties, shoe inserts, and footwear assemblies containing the shoe inserts are provided. The booties and shoe inserts include a laminate of a seamless ePTFE membrane and at least one textile. The bootie is conformable over a range of sizes and shoe shapes, and may be shaped to fit numerous sizes and shapes of asymmetrical shoe lasts. The bootie may shrink to fit, or, alternatively, be stretched to fit, an asymmetrical last having a desired size to form a shoe insert. Such a conformable bootie eliminates the need to have multiple sizes of shoe inserts correlating to particular shoe sizes. In embodiments where the ePTFE is seamless and continuous, the shoe insert eliminates the need for a waterproof seam tape, which is conventionally used to make shoe inserts waterproof. Methods of forming the socks, booties, and shoe inserts are also provided. | 08-20-2015 |
20150230550 | Methods for Forming Seamless Conformable Booties and Waterproof Breathable Socks - Waterproof, breathable socks, booties, shoe inserts, and footwear assemblies containing the shoe inserts are provided. The booties and shoe inserts include a laminate of a seamless ePTFE membrane and at least one textile. The bootie is conformable over a range of sizes and shoe shapes, and may be shaped to fit numerous sizes and shapes of asymmetrical shoe lasts. The bootie may shrink to fit, or, alternatively, be stretched to fit, an asymmetrical last having a desired size to form a shoe insert. Such a conformable bootie eliminates the need to have multiple sizes of shoe inserts correlating to particular shoe sizes. In embodiments where the ePTFE is seamless and continuous, the shoe insert eliminates the need for a waterproof seam tape, which is conventionally used to make shoe inserts waterproof. Methods of forming the socks, booties, and shoe inserts are also provided. | 08-20-2015 |
20150230545 | Conformable Booties, Shoe Inserts, and Waterproof Breathable Socks Containing an Integrally Joined Interface - Waterproof, breathable socks, booties, shoe inserts, and footwear assemblies containing the shoe inserts are provided. The booties and shoe inserts include a laminate of a seamless ePTFE membrane and at least one textile. The bootie is conformable over a range of sizes and shoe shapes, and may be shaped to fit numerous sizes and shapes of asymmetrical shoe lasts. The bootie may shrink to fit, or, alternatively, be stretched to fit, an asymmetrical last having a desired size to form a shoe insert. Such a conformable bootie eliminates the need to have multiple sizes of shoe inserts correlating to particular shoe sizes. In embodiments where the ePTFE is seamless and continuous, the shoe insert eliminates the need for a waterproof seam tape, which is conventionally used to make shoe inserts waterproof. Methods of forming the socks, booties, and shoe inserts are also provided. | 08-20-2015 |
20150230544 | Conformable Booties, Shoe Inserts, and Waterproof Breathable Socks Containing An Integrally Joined Interface - Waterproof, breathable socks, booties, shoe inserts, and footwear assemblies containing the shoe inserts are provided. The booties and shoe inserts include a laminate of a seamless ePTFE membrane and at least one textile. The bootie is conformable over a range of sizes and shoe shapes, and may be shaped to fit numerous sizes and shapes of asymmetrical shoe lasts. The bootie may shrink to fit, or, alternatively, be stretched to fit, an asymmetrical last having a desired size to form a shoe insert. Such a conformable bootie eliminates the need to have multiple sizes of shoe inserts correlating to particular shoe sizes. In embodiments where the ePTFE is seamless and continuous, the shoe insert eliminates the need for a waterproof seam tape, which is conventionally used to make shoe inserts waterproof. Methods of forming the socks, booties, and shoe inserts are also provided. | 08-20-2015 |
20150230543 | Conformable Booties, Shoe Inserts, and Footwear Assemblies Made Therewith, and Waterproof Breathable Socks - Waterproof, breathable socks, booties, shoe inserts, and footwear assemblies containing the shoe inserts are provided. The booties and shoe inserts include a laminate of a seamless ePTFE membrane and at least one textile. The bootie is conformable over a range of sizes and shoe shapes, and may be shaped to fit numerous sizes and shapes of asymmetrical shoe lasts. The bootie may shrink to fit, or, alternatively, be stretched to fit, an asymmetrical last having a desired size to form a shoe insert. Such a conformable bootie eliminates the need to have multiple sizes of shoe inserts correlating to particular shoe sizes. In embodiments where the ePTFE is seamless and continuous, the shoe insert eliminates the need for a waterproof seam tape, which is conventionally used to make shoe inserts waterproof. Methods of forming the socks, booties, and shoe inserts are also provided. | 08-20-2015 |
20150230542 | Conformable Booties, Shoe Inserts, and Footwear Assemblies Made Therewith, and Waterproof Breathable Socks - Waterproof, breathable socks, booties, shoe inserts, and footwear assemblies containing the shoe inserts are provided. The booties and shoe inserts include a laminate of a seamless ePTFE membrane and at least one textile. The bootie is conformable over a range of sizes and shoe shapes, and may be shaped to fit numerous sizes and shapes of asymmetrical shoe lasts. The bootie may shrink to fit, or, alternatively, be stretched to fit, an asymmetrical last having a desired size to form a shoe insert. Such a conformable bootie eliminates the need to have multiple sizes of shoe inserts correlating to particular shoe sizes. In embodiments where the ePTFE is seamless and continuous, the shoe insert eliminates the need for a waterproof seam tape, which is conventionally used to make shoe inserts waterproof. Methods of forming the socks, booties, and shoe inserts are also provided. | 08-20-2015 |
20150230541 | Conformable Booties, Shoe Inserts, and Footwear Assemblies Made Therewith, and Waterproof Breathable Socks - Waterproof, breathable socks, booties, shoe inserts, and footwear assemblies containing the shoe inserts are provided. The booties and shoe inserts include a laminate of a seamless ePTFE membrane and at least one textile. The bootie is conformable over a range of sizes and shoe shapes, and may be shaped to fit numerous sizes and shapes of asymmetrical shoe lasts. The bootie may shrink to fit, or, alternatively, be stretched to fit, an asymmetrical last having a desired size to form a shoe insert. Such a conformable bootie eliminates the need to have multiple sizes of shoe inserts correlating to particular shoe sizes. In embodiments where the ePTFE is seamless and continuous, the shoe insert eliminates the need for a waterproof seam tape, which is conventionally used to make shoe inserts waterproof. Methods of forming the socks, booties, and shoe inserts are also provided. | 08-20-2015 |
20150196383 | Implantable Intralumenal Device - This document provides implantable intralumenal stent graft medical devices. In some embodiments, the stent graft devices provided herein are implantable in bodily conduits that have side branches, and the stent graft devices are operable to allow the flow of fluids between the conduit and the side branches. In some embodiments, the walls of the stent graft devices provided herein include compliant channels which allow for fluid communication between the interior and the exterior of the stent graft devices. In some embodiments, the compliant channels are configured to inhibit or reduce tissue ingrowth, tissue bridging, and/or endothelialization. | 07-16-2015 |
20150096933 | Filtration Article Having Thermoplastic Filled Edges - A filtration article and a method for manufacture of the filtration article. The filtration article includes a filtration medium that includes a porous membrane. A thermoplastic end cap component is potted onto the filtration medium along the peripheral edge of the filtration medium. To enhance the quality of the seal between the end cap component and the filtration medium, a thermoplastic material is imbibed through at least a portion of the thickness of the filtration medium along the peripheral edge. Methods for the manufacture of such a filtration article and the filtration medium are also provided. | 04-09-2015 |
20150096884 | Humidification Control Device - A humidification control device and an apparatus implementing the humidification control device is provided. The device includes a membrane electrode assembly (MEA) for the control of humidity in an enclosed space via electrolysis. The MEA includes an anode, a cathode and a proton exchange membrane (PEM) disposed between the anode and the cathode. The PEM is selected to increase the efficiency of the humidification control device by decreasing the back diffusion of water across the PEM. The PEM may include a functional tetrafluoroethylene (TFE) copolymer having a polymer chain of TFE and at least one comonomer having a proton conducting functional group pendant to said polymer chain. The comonomer may be present in an amount from about 0.01 mol. % to about 7 mol. % of the TFE copolymer. In one embodiment, the comonomer is a fluorovinyl ether such as perfluorosulfonyl vinyl ether (PSVE). | 04-09-2015 |
20150080945 | Partial Circumferential Stent with Non-Radial Apposition - A medical device for sealing and repairing defects in a body lumen wall includes a wire frame and a partially-circumferential stent body. In some embodiments, the endolumenal sealing devices provided herein are well-suited for use in the GI tract including the colon. That is the case because the partially-circumferential sealing devices are configured to be compliant with the peristaltic movements of the GI tract. This feature can enable the sealing devices to resiliently remain located in a desired position within the GI tract, such that the defect in the lumen wall is sealed by the presence of the sealing device. | 03-19-2015 |
20140322497 | Multi-Layered Articles Having Discontinuous Adhesive Regions - Multi-layered articles that include a first textile and an adhesive layer having a non-uniform adhesive pattern is provided. The non-uniform adhesive pattern creates regions free or substantially free of adhesive. The adhesive regions, together with the non-adhesive regions, create a visible pattern on the surface of the article. A second textile may optionally be bonded to the adhesive opposing the first textile to form a multi-layered article. The first textile or adhesive layer may be shrinkable or expandable. Additionally, the multi-layered article has a stretch force at 20% elongation of less than three times the stretch force of the first textile at 20% elongation. The multi-layered articles are breathable, insulative, aesthetically pleasing, and demonstrate superior stretch and recovery properties. | 10-30-2014 |
20140316514 | DEVICES AND METHODS FOR TREATMENT OF THE AORTIC ARCH - The present disclosure includes an endoprosthesis comprising a descending stent-graft, an ascending stent-graft, and/or a side-branch stent-graft. In various embodiments, an ascending stent-graft is capable of being coupled to a descending stent-graft, and/or a descending stent-graft can comprise a fenestration capable of being coupled to a side-branch stent-graft. In addition, in various embodiments, a descending and/or ascending stent-graft can comprise a reduced diameter portion that, when implanted within an aortic arch, recedes from a luminal surface of the aortic arch to allow a side-branch stent-graft to be maneuvered within the aortic arch. | 10-23-2014 |
20140277381 | METHODS AND APPARATUS FOR ASSEMBLING STENT-GRAFTS - The present disclosure describes methods and apparatus for forming medical devices comprising a stent member and a graft member. Such devices can include graft members that are bonded to the stent member in a selective manner. The selective bonding can allow for greater flexibility, curvature, and conformity of the device within the body of a patient. | 09-18-2014 |
20140277363 | ENDOPROSTHESIS DELIVERY SYSTEMS WITH DEPLOYMENT AIDS - The present disclosure includes an endoprosthesis delivery system comprising an elongate member, such as a catheter, an endoprosthesis, a covering member disposed about the endoprosthesis, and at least one flexible element situated between the endoprosthesis and the covering member. The covering member can extend beyond an end of the endoprosthesis. In operation, as the covering member is removed, the flexible element can guide the covering member over the end of the endoprosthesis to prevent entanglement between the end of the endoprosthesis and the covering member. | 09-18-2014 |
20140277347 | ENDOPROSTHETIC DEVICE COMPRISING A SUPPORT CHANNEL CAPAPBLE OF RECEIVING A BRANCH ENDOPROSTHETIC DEVICE - The present disclosure includes an endoprosthesis comprising a tube or substantially tubular lumen. The tube can comprise a first end and a second end, and a side wall can extend between the first and second ends. The side wall can be fenestrated by a side opening or fenestrated portion. The endoprosthetic device can further comprise a patch or support wall coupled to an inner surface of the side wall. The patch can overlap the fenestration. Further, the patch can have a first open edge and/or a second open edge, both of which can open to receive a branch endoprosthetic device. The patch can be movable between a closed configuration adjacent to the inner surface of the side wall and an open configuration spaced apart from the inner surface of the side wall. The open configuration can define a support channel that receives the branch endoprosthetic device. | 09-18-2014 |
20140277346 | INFLATABLE BALLOON AND COVER - The present disclosure describes implantable medical devices comprising covers, such as a balloon cover. Such devices can comprise a first layer of a porous polymeric material, such as ePTFE, surrounded by layers of a porous polymeric material having an imbibed elastomer, such as polyurethane. The cover can be used to assist in deployment of an expandable implant, such as a stent-graft, within the body of the patient. | 09-18-2014 |
20140277088 | VASCULAR FILTRATION DEVICE - This document provides vascular filtering devices and methods for their use. In some embodiments, the vascular filtering devices include an elongate member having a wall with one or more apertures and a lumen. The vascular filtering devices can also include a porous membrane bag portion with multiple elongate extensions that extend through the apertures of the elongate member and through the lumen of the elongate member, exiting the lumen at the proximal region of the elongate member. | 09-18-2014 |
20140277065 | BALLOON SEAL STRESS REDUCTION AND RELATED SYSTEMS AND METHODS - The present disclosure is directed toward devices, systems and methods that reduce stress being exerted directly onto balloon seals. | 09-18-2014 |
20140276921 | RECANALIZATION DEVICE - Catheters for the removal of occlusions in a patient's vasculature. Exemplary catheters use a flexible distal end tube which is capable of coiling irregularly within the occlusion and securing it for removal. | 09-18-2014 |
20140276642 | METHODS AND APPARATUS FOR AN ADJUSTABLE STIFFNESS CATHETER - Apparatus and methods for an endovascular catheter that can be inserted within tortuous body anatomies and then selectively stiffened and fixed in place. In a particular embodiment, this stiffness is reversible. The stiffness or a comparable mechanical characteristic of the catheter assembly may be adjusted to a relatively low value during insertion (so that it easily navigates a guide wire or the like), and then subsequently adjusted to a relatively high value in situ to keep the catheter assembly substantially fixed in place (i.e., during delivery of an interventional device). | 09-18-2014 |
20140276599 | DECONSTRUCTABLE ENDOLUMINAL DEVICES AND RELATED SYSTEMS AND METHODS - An endoluminal device comprises a tubular member and a reinforcement member that is separable from, or together with, a wall of the tubular member, and removable in-situ. | 09-18-2014 |
20140276406 | CONFORMABLE BALLOON DEVICES AND METHODS - The present disclosure is directed toward a semi-compliant to non-compliant, conformable balloon useful in medical applications. Conformable balloons of the present disclosure exhibit a low or insignificant straightening force when in a curved configuration and at inflation pressures greater than 4 atm. Balloons of the present disclosure are constructed of material that can compress along an inner length when the balloon is in a curved configuration. In further embodiments, balloons of the present disclosure can be constructed of material that sufficiently elongates along an outer arc when the balloon is in a curved configuration. As a result, medical balloons, in accordance with the present disclosure, when inflated in a curved configuration, exhibit kink-free configurations and do not cause a significant degree of vessel straightening. | 09-18-2014 |
20140271774 | Coating For A Surface - Coatings for a surface, especially a priming coating, of the present invention have been found to be durable, resistant to oxidative degradation, erosion and depolymerisation, stable to sterilization and low particulating, and are easily applied to the required surface of a substrate in a surface-independent manner. Such coatings, when used as priming coatings to be coated with a subsequent coating, in at least some embodiments, form exterior coatings which are also highly durable and are stable to sterilisation and aging. | 09-18-2014 |
20140260976 | Mist Elimination and Pollutant Removal Device and Method - An integrated device for removal of both liquid-containing droplets and pollutants from a gas stream includes a plurality of passageways and a plurality of exposed surface portions, different ones of the surface portions disposed along different ones of the plurality of passageways. The plurality of passageways include an inlet and an outlet for the flow of a gas stream therethrough, wherein each passageway includes at least one segment configured to perturb the flow of at least a portion of the gas stream between the inlet and the outlet. Such gas perturbation enhances gas stream contact with the exposed surfaces. Portions of the exposed surfaces comprise a sorbent-polymer-composite material adapted for adsorption of elemental and oxidized mercury vapor. The exposed surfaces are disposed to enhance the removal of liquid-containing droplets and elemental and oxidized mercury vapor. | 09-18-2014 |
20140259331 | MOISTURE-INSENSITIVE THERMALLY PROTECTIVE MATERIALS AND GARMENTS MADE THEREFROM - Protective garments and methods for low wet pick-up from hose water, weather, etc. and from perspiration generated by the wearer, to minimize water impact on the insulative properties, minimize weight gain, and effectuate quick drying. For firefighting in particular, the disclosure provides that wet, hot air is driven out of the garment, away from the wearer (rather than in), and water entry is blocked. | 09-18-2014 |
20140259328 | MOISTURE-INSENSITIVE THERMALLY PROTECTIVE MATERIALS AND GARMENTS MADE THEREFROM - Protective garments and methods for low wet pick-up from hose water, weather, etc. and from perspiration generated by the wearer, to minimize water impact on the insulative properties, minimize weight gain, and effectuate quick drying. For firefighting in particular, the disclosure provides that wet, hot air is driven out of the garment, away from the wearer (rather than in), and water entry is blocked. | 09-18-2014 |
20140243949 | STENT-GRAFT HAVING FACING SIDE BRANCH PORTALS - In various embodiments, a device for treating disease of a vessel includes a stent graft having an outer surface; and at least two side branch portals each having a proximal end and a distal end. Each distal end is substantially contiguous with the outer surface of the stent graft. In various other embodiments, the distal ends are generally axially further spaced apart than the proximal ends. | 08-28-2014 |
20140242355 | Reversible Camouflage Material - A reversible camouflage material including a textile layer having a woodland camouflage print thereon, an infrared suppressing layer, and a textile layer having a desert camouflage print thereon is provided. The infrared suppressing layer may include a polyurethane layer sandwiched between a carbon-containing ePTFE layer and an ePTFE layer. The carbon may be provided in an oleophobic layer on the ePTFE or within the ePTFE film. In one embodiment, the desert camouflage textile is absent and a coating composition that includes a colorant and infrared suppressive additives is applied to the outer surface of the ePTFE layer. The inventive camouflage material demonstrates camouflage concealment in the near IR (nIR) and short wave infrared (SWIR) wavelengths of the electromagnetic spectrum. In addition, the camouflage material is highly breathable and lightweight. The material is particularly suitable for making reversible camouflage garments such as jackets and pants. | 08-28-2014 |
20140221522 | COATING FOR SUBSTRATE - There is provided inter alia a substrate with a surface having a hydrophilic coating comprising a cross-linked copolymer of components A and B, and optional components C and D; wherein
| 08-07-2014 |
20140216652 | Ballistic Panels and Method of Making the Same - A ballistic panel is described that comprises a ballistic-resistant component and a cover that comprises a laminate comprising (i) a substrate layer and (ii) an inner bonding layer. The cover is bonded to at least one surface of the ballistic-resistant component by the inner bonding layer of the laminate, and is bonded around the perimeter of the ballistic resistant component to form a perimeter seal. A method for making the ballistic panel is also described. | 08-07-2014 |
20140216651 | Ballistic Panels and Method of Making the Same - A ballistic panel is described that comprises a ballistic-resistant component and a cover that comprises a laminate comprising (i) a substrate layer and (ii) an inner bonding layer. The cover is bonded to at least one surface of the ballistic-resistant component by the inner bonding layer of the laminate, and is bonded around the perimeter of the ballistic resistant component to form a perimeter seal. A method for making the ballistic panel is also described. | 08-07-2014 |
20140212612 | Method for Producing Porous Articles from Ultra High Molecular Weight Polyethylene - Ultra high molecular weight polyethylene (UHMWPE) polymers that have an average molecular weight of at least 500,000 g/mol and an enthalpy of at least 190 J/g is provided. The UHMWPE polymer may include at least one comonomer. The UHMWPE polymer is used to form a membrane, that, when expanded, has a node and fibril structure. The UHMWPE membrane has an endotherm of about 150° C. associated with the fibrils in the membrane. The membrane has a percent porosity of at least 25%, and in exemplary embodiments, the percent porosity is at least 60%. Additionally, the UHMWPE membrane has a thickness less than 1 mm. An UHMWPE membrane may be formed by lubricating the UHMWPE polymer, subjecting the lubricated polymer to pressure at a temperature below the melting point of the UHMWPE polymer to form a tape, and expanding the tape at a temperature below the melting temperature of the UHMWPE polymer. | 07-31-2014 |
20140207228 | SHAPE MEMORY ALLOY ARTICLES WITH IMPROVED FATIGUE PERFORMANCE AND METHODS THEREFORE - Articles made of shape memory alloys having improved fatigue performance and to methods of treating articles formed from shape memory alloy materials by pre-straining the articles (or desired portions of the articles) in a controlled manner so that the resultant articles exhibit improved fatigue performance. The shape memory articles are preferably medical devices, more preferably implantable medical devices. They are most preferably devices of nitinol shape memory alloy, most particularly that is superelastic at normal body temperature. The pre-straining method of the present invention as performed on such articles includes the controlled introduction of non-recoverable tensile strains greater than about 0.20% at the surface of a desired portion of a shape memory alloy article. Controlled pre-straining operations are performed on the shape-set nitinol metal to achieve non-recoverable tensile strain greater than about 0.20% at or near the surface of selected regions in the nitinol metal article. | 07-24-2014 |
20140205815 | LOW GLOSS, AIR PERMEABLE, ABRASION RESISTANT, PRINTABLE LAMINATE CONTAINING AN ASYMMETRIC MEMBRANE AND ARTICLES MADE THEREFROM - Asymmetric expanded polytetrafluoroethylene (ePTFE) membranes that contain multiple layers of ePTFE where at least one layer of ePTFE has a microstructure different from the microstructure of a second ePTFE layer. In exemplary embodiments, the asymmetric membrane contains a first ePTFE layer that has an “open” microstructure and a second ePTFE layer that has a less open, or “tight” microstructure. A third ePTFE layer having an “open” microstructure may be positioned on the second ePTFE layer. The asymmetric membranes possess print durability and are both abrasion resistant and air permeable. Additionally, printed asymmetric ePTFE membranes demonstrate low gloss. A textile may be affixed to the asymmetric membrane such that the first ePTFE layer is the outer surface of the laminate. Laminates containing the asymmetric membrane are sufficiently durable against abrasion so that articles of apparel having an exterior film surface remain liquidproof after an abrasion challenge. | 07-24-2014 |
20140194968 | CONTROLLED DEPLOYABLE MEDICAL DEVICE AND METHOD OF MAKING THE SAME - Controlled deployable medical devices that are retained inside a body passage and in one particular application to vascular devices used in repairing arterial dilations, e.g., aneurysms. Such devices can be adjusted during deployment, thereby allowing at least one of a longitudinal or radial re-positioning, resulting in precise alignment of the device to an implant target site. | 07-10-2014 |
20140188210 | EXTERNAL STEERABLE FIBER FOR USE IN ENDOLUMINAL DEPLOYMENT OF EXPANDABLE DEVICES - The present disclosure describes treatment of the vasculature of a patient with an expandable implant. The implant is constrained to a reduced delivery diameter for delivery within the vasculature by at least one sleeve. The implant can be constrained to other diameters, such as an intermediate diameter. The sleeves can be expanded, allowing for expansion of the diameter of the expandable implant, by disengaging a coupling member from the sleeve or sleeves from outside of the body of the patient. The expandable implant can comprise a steering line or lines which facilitate bending and steering of the expandable implant through the vasculature of a patient. | 07-03-2014 |
20140188209 | DEVICE FOR DEPLOYING AN IMPLANTABLE MEDICAL DEVICE - Device useful for implanting an implantable device within the vasculature of a patient. The device includes a deployment line, a control component for actuating the deployment line, and an actuation mechanism for translating constant-rate actuation of the control component into variable rate retraction of the deployment line from a remotely deployable implantable device. Suitable implantable devices include, for example, stents and stent grafts. | 07-03-2014 |
20140180402 | ELASTOMERIC LEAFLET FOR PROSTHETIC HEART VALVES - A leaflet for a prosthetic valve formed of at least one layer that includes a composite material containing at least one expanded fluoropolymer membrane having serpentine fibrils and an elastomer is provided. The fluoropolymer may be polytetrafluoroethylene. In at least one embodiment, the elastic properties are present in an axial direction the leaflet. The leaflets may be single layered or multi-layered. The leaflets may be coupled to a support structure and movable between open and closed configurations relative to the support structure to form a heart valve. The elasticity within the leaflets permits, among other things, the leaflets to bend with a reduced occurrence of wrinkles as the valve opens and closes. The elastic properties of the leaflet also, among other things, improve bending properties and reduce closure stresses, thereby extending the life of the leaflet. | 06-26-2014 |
20140180400 | PROSTHETIC VALVES, FRAMES AND LEAFLETS AND METHODS THEREOF - Described embodiments are directed toward prosthetic heart valve leaflets of particular shapes that control bending character. In accordance with an embodiment, a prosthetic heart valve comprises a leaflet frame having a generally tubular shape with attached film. The leaflet frame defines a plurality of leaflet windows. The film defines at least one leaflet extending from each of the leaflet windows. Each leaflet attachment zone on the leaflet frame has substantially the shape of an isosceles trapezoid having two leaflet sides, a leaflet base and a leaflet free edge opposite the leaflet base. The two leaflet sides diverge from the leaflet base, wherein the leaflet base is substantially flat. | 06-26-2014 |
20140172083 | GEOMETRIC PROSTHETIC HEART VALVES - Described embodiments are directed toward prosthetic heart valve leaflets of particular shapes that control bending character. In accordance with an embodiment, a prosthetic heart valve comprises a leaflet frame having a generally tubular shape with attached film. The leaflet frame defines a plurality of leaflet windows. The film defines at least one leaflet extending from each of the leaflet windows. Each leaflet attachment zone on the leaflet frame has substantially the shape of an isosceles trapezoid having two leaflet sides, a leaflet base and a leaflet free edge opposite the leaflet base. The two leaflet sides diverge from the leaflet base, wherein the leaflet base is substantially flat. | 06-19-2014 |
20140172082 | PROSTHETIC HEART VALVE WITH LEAFLET SHELVING - Described embodiments are directed toward prosthetic valve leaflets of particular configurations that control bending character. In embodiments provided herein, a valve leaflet is provided with a planar zone that is bounded at a planar zone base by a straight line, wherein the leaflet is operable to bend along a base of the planar zone. | 06-19-2014 |
20140172081 | VERTICAL COAPTATION ZONE IN A PLANAR PORTION OF PROSTHETIC HEART VALVE LEAFLET - Described embodiments are directed toward prosthetic valve leaflets of a particular shape that allows redundant coaptation height in the leaflets when a planar segment is present in each leaflet. | 06-19-2014 |
20140172080 | TRUNCATED LEAFLET FOR HEART VALVES - Described embodiments are directed toward prosthetic valves having leaflets of a particular shape that improves bending character without requiring a long length valve. In accordance with an embodiment, a prosthetic valve comprises a leaflet frame, a plurality of leaflets coupled to the leaflet frame, where each leaflet has a free edge and a base. The base of each leaflet is truncated in which the leaflet in cross section shows a line in an alpha plane onto the leaflet frame. | 06-19-2014 |
20140172079 | PLANAR ZONE IN PROSTHETIC HEART VALVE LEAFLET - Described embodiments are directed toward prosthetic valves having leaflets of a particular shape that improves bending character without requiring a long length valve. In accordance with an embodiment, a prosthetic valve comprises a leaflet frame, a plurality of leaflets coupled to the leaflet frame, where each leaflet has a free edge and a base. Each leaflet has a planar zone in a central portion, wherein the planar zone is substantially planar. The planar zone defines a shape having an area, wherein the area is larger nearer the base than the free edge. | 06-19-2014 |
20140172078 | GEOMETRIC CONTROL OF BENDING CHARACTER IN PROSTHETIC HEART VALVE LEAFLETS - Described embodiments are directed toward prosthetic valves having leaflets of particular shapes that control bending character. In accordance with an embodiment, a prosthetic valve comprises a plurality of leaflets. Each leaflet includes a central region and two side regions on opposite sides of the central region. The central region is defined by a shape substantially that of an isosceles triangle defined by two central region sides, the leaflet base and the leaflet free edge, wherein the two central region sides converge from the leaflet base, and wherein each of the two side regions have a shape substantially that of a triangle and each are defined by one of the central region sides, one of the leaflet sides, and the leaflet free edge. | 06-19-2014 |
20140172077 | MULTI-FRAME PROSTHETIC HEART VALVE - Described embodiments are directed toward prosthetic valves and systems and methods of making prosthetic valves. In accordance with an embodiment, a prosthetic valve comprises and leaflet frame, and outer frame and a film. The leaflet frame has a generally tubular shape defining a plurality of leaflet windows. The outer frame has a generally tubular shape. The leaflet frame is coaxially disposed at least partially within the outer frame. The leaflet frame and outer frame is coupled at least in part by a contiguous portion of the film. At least a portion of the contiguous portion of the film is contained between and coupling the leaflet frame and outer frame operable to prevent relative movement and contact therebetween. The film defines a leaflet extending from each of the leaflet windows. | 06-19-2014 |
20140172066 | MEDICAL BALLOON DEVICES AND METHODS - A balloon or balloon cover comprising a composite material having a least one expanded fluoropolymer material and an elastomer is provided. The expanded fluoropolymer material can contain serpentine fibrils. In exemplary embodiments, the fluoropolymer is polytetrafluoroethylene. The composite material may be axially, helically, and/or circumferentially wrapped to form a balloon or balloon cover. The balloon or balloon cover exhibits a sharp increase in stiffness at a predetermined diameter. The balloon or balloon cover can be designed to have a stop point in either a radial or axial direction. | 06-19-2014 |
20140172003 | THREADED BALLOON CATHETER SEAL FIELD OF DISCLOSURE - The present disclosure provides devices and methods directed towards threadably coupling a balloon and a tube member to assemble a catheter assembly. For example, in accordance with an embodiment of the present disclosure, an improved catheter assembly comprises a tube member, having a first end and a second end with a lumen extending therebetween, and a balloon, wherein the balloon is in fluid communication with the lumen and is threadably coupled to the tube member. | 06-19-2014 |
20140163673 | PROSTHETIC HEART VALVE LEAFLET ADAPTED FOR EXTERNAL IMAGING - Embodiments provided herein are related to prosthetic heart valve leaflets comprising one or more imageable elements that allow for visualization of the movement of the leaflets using imaging techniques, such as, but not limited to fluoroscopy, x-ray, ultrasound, and MRI. When visualized using visualization techniques, the movement of the imageable element is directly related to the movement of the leaflet to which it is coupled, and therefore the movement of the leaflet may be determined. | 06-12-2014 |
20140163671 | LEAFLET AND VALVE APPARATUS - The present invention provides a leaflet for use in a prosthetic valve that stabilizes the motion of the leaflet as it moves between a closed position and an open position. In accordance with embodiments, a prosthetic valve is provided with a leaflet that contains a stiffening element between layers of film from which the leaflet is made. | 06-12-2014 |
20140142684 | FLEXIBLE ENDOLUMINAL DEVICE - The present disclosure describes endoluminal devices, such as stents and stent grafts capable of being bent smoothly, with various benefits resulting therefrom. | 05-22-2014 |
20140142681 | SYSTEMS AND METHODS OF DEPLOYMENT OF ENDOLUMINAL DEVICES - A removable sleeve extends around an expandable stent graft to constrain the expandable stent graft toward a collapsed configuration. The sleeve is held together by a coupling member to constrain the expandable device toward the collapsed configuration for endoluminal delivery to a vascular treatment site. The sleeve is openable by displacing the coupling member away from the sleeve to allow outward expansion of the expandable device toward an expanded configuration. The sleeve is separate from the expandable device so as to be removable from the treatment site after deployment of the expandable device. | 05-22-2014 |
20140142621 | IMPLANTABLE MEDICAL DEVICE DEPLOYMENT SYSTEM - A medical device delivery system includes an implantable medical device and a delivery device. The implantable medical device includes at least one attachment feature having an elastomeric element. The delivery device includes a catheter and an elongate element. The catheter is arranged to contact the elastomeric element, and the elongate element is arranged to releasably couple with the elastomeric element. | 05-22-2014 |
20140138017 | CATHETER BALLOONS WITH INTEGRATED NON-DISTENSIBLE SEALS - A catheter balloon with integral non-distending regions having a plurality of layers which wind around the balloon material and overlap to form an angle of between 45 and 90 degrees relative to each other upon inflation, and methods of making the non-distending regions are provided. | 05-22-2014 |
20140135897 | Elastic Stent Graft - A stent graft including (1) a stent having a wall having at least one opening, an outer surface, and an inner surface and (2) a covering of a composite material having a least one expanded fluoropolymer membrane and an elastomer is provided. The cover can be used to cover the outer and/or the inner surface of the stent. The expanded fluoropolymer membrane contains serpentine fibrils. In exemplary embodiments, the fluoropolymer is polytetrafluoroethylene. The composite material may be axially and/or circumferentially wrapped around the stent. The composite material is fold-free throughout its operating diameter range and exhibits a sharp increase in stiffness at a predetermined diameter. The stent graft can be designed to have a stop point in either a radial or axial direction. The stent graft can advantageously be implanted undersized with respect to a nominal diameter without having material infolding. | 05-15-2014 |
20140135895 | SLEEVES FOR EXPANDABLE MEDICAL DEVICES AND METHODS OF MAKING THE SAME - The present disclosure describes treatment of the vasculature of a patient with an expandable implant. The implant is surrounded and constrained by one or more constraining sleeves. One or more of these sleeves comprise an end profile with a desired shape. | 05-15-2014 |
20140135894 | FRICTION FIBER SLEEVE RETRACTION SYSTEM - An implantable system for endoluminal delivery of expandable devices having one or more sleeves and one or more sleeve pull back lines. The sleeve pull back lines enable retraction of the one or more sleeves, with various benefits resulting therefrom. | 05-15-2014 |
20140128544 | Novel Heparin Entities and Methods of Use - The present invention relates to immobilized biologically active entities that retain a significant biological activity following manipulation. The invention also comprises a medical substrate comprising a heparin entity bound onto a substrate via at least one heparin molecule, wherein said bound heparin entity is heparinase-1 sensitive. | 05-08-2014 |
20140121760 | DEVICES AND METHODS RELATED TO DEPOSITED SUPPORT STRUCTURES - The present disclosure describes medical devices comprising a bio-corrodible stent member and a graft member. The bio-corrodible stent member can comprise a metal applied directly to the graft member via a vapor deposition process, such as a chemical or physical vapor deposition process. | 05-01-2014 |
20140121759 | POST-IMPLANTATION CONTRACTIBLE OR EXPANDABLE DEVICES AND METHOD OF USING AND MAKING THE SAME - Various embodiments of the present disclosure generally comprise devices and methods for the controlled over-expansion of a body conduit and controlled constriction or expansion of a vessel in a patient. In various embodiments, a device comprises a bio-corrodible expandable support structure and an implant coaxially adjacent the support structure. Contraction of the implant can occur when the support structure is bioabsorbed. | 05-01-2014 |
20140121756 | STENT WITH VARYING CROSS-SECTION - The present disclosure describes methods and apparatus for endoluminal devices, such as stents, that have components with varying cross-sections at various points about the length of the endoluminal device, with various benefits resulting therefrom. | 05-01-2014 |
20140120324 | IMPLANTABLE DEVICES WITH CORRODIBLE MATERIALS AND METHOD OF MAKING SAME - The present disclosure describes implantable medical devices comprising at least one channel comprising a plurality of particles capable of undergoing a chemical reaction resulting in an increase in the rigidity of the channel. The medical device can be a stent, stent graft, occlusion bag, or other device configured. | 05-01-2014 |
20140120287 | SLEEVE FOR MEDICAL DEVICE ASSEMBLY - The present disclosure describes a medical device assembly comprising an expandable medical device wrapped with an improved constraining sleeve. The sleeve in accordance with various embodiments of the present disclosure is thin walled and translucent, having reduced edge sharpness. The sleeve in accordance with the present disclosure exhibits resistance to ripping and delamination. Various embodiments of the present disclosure provide methods of making sheet material usable for constraining sleeves from flattened film tubes. Methods for making improved constraining sleeves and medical device assemblies that comprise an improved constraining sleeve are also disclosed herein. | 05-01-2014 |
20140106951 | METHODS AND SYSTEMS FOR SECURING A SLEEVE FOR ENDOLUMINAL DEVICES - The present disclosure describes methods and apparatus for preparing a sleeve used to surround and assist in delivering an expandable implant to the vasculature of a human patient. The sleeve is formed by curving a sheet of material, longitudinally folding the material, and securing the longitudinally folded material with an elongated member, such as wire or thread, to form a sleeve. The resulting sleeve can then receive an endoluminal device. | 04-17-2014 |
20140105955 | THERMOPLASTIC FLUOROPOLYMER-COATED MEDICAL DEVICES - A medical device provided with at least a partial surface coating of a thermoplastic copolymer of tetrafluoroethylene and perfluoroalkylvinylether that is free of cross-linking monomers and curing agents. The fluoropolymer coating is preferably an amorphous thermoplastic, is highly inert and biocompatible, has elastomeric characteristics that provide desirable mechanical properties such as good flexibility and durability. These characteristics allow the coating to be considered “functionally transparent” because it withstands mechanical deformations required for the assembly, deployment, expansion, and placement of medical devices, without any adverse effect on the mechanical and biological functionality of the coated device. Further, its inertness, derived from the perfluorocarbon structure, contributes to its functionally transparent nature. The coating can be provided with various liquid or solid additives, can be loaded with large quantities of additives including a wide range of therapeutic agents, and has excellent drug elution characteristics when elutable additives are used. | 04-17-2014 |
20140102984 | Fuel Filter Monitor For Fuel Streams - It has been discovered that the function of a fuel filter monitor can be accomplished without the use of SAP. The present invention provides a fuel filter monitor comprising an ePTFE membrane, a support structure adjacent to said ePTFE membrane wherein the membrane is disposed upstream of the support and said monitor prevents penetration of water to the downstream of said fuel wet monitor, where the water can be in the form of discrete water drops in the fuel, or a bulk water stream which displaces the upstream fuel. | 04-17-2014 |
20140102974 | Composite Filter Media For Fuel Streams - The present invention provides a composite filter media for use in a fuel stream wherein the composite media provides significantly improved resistance to water penetration as indicated by the FWWPP normalized for fuel IFT and a reduced resistance to flow of the fuel stream as indicated by the Ratio of Resistances. | 04-17-2014 |
20140094557 | Expandable TFE Copolymers, Method of Making, and Porous, Expanded Articles Thereof - A true tetrafluoroethylene (TFE) copolymer of the fine powder type is provided, wherein the copolymer contains polymerized comonomer units of at least one comonomer other than TFE in concentrations of at least or exceeding 1.0 weight percent, and which can exceed 5.0 weight percent, wherein the copolymer is expandable, that is, the copolymer may be expanded to produce strong, useful, expanded TFE copolymeric articles having a microstructure of nodes interconnected by fibrils. Articles made from the expandable copolymer may include tapes, membranes, films, fibers, and are suitable in a variety of end applications, including medical devices. | 04-03-2014 |
20140088683 | NON-SHORTENING WRAPPED BALLOON - A non-shortening catheter balloon having a longitudinal axis and an inflatable balloon able to be affixed to a catheter shaft is provided. The balloon has an uninflated length which remains relatively unchanged upon inflation and is formed of least two helically oriented wrapped passes of balloon materials at a balanced force angle. Methods of making this balloon are also provided. | 03-27-2014 |
20140081376 | EXTERNAL STEERABLE FIBER FOR USE IN ENDOLUMINAL DEPLOYMENT OF EXPANDABLE DEVICES - The present disclosure describes treatment of the vasculature of a patient with an expandable implant. The implant is constrained to a reduced delivery diameter for delivery within the vasculature by at least one sleeve. The implant can be constrained to other diameters, such as an intermediate diameter. The sleeves can be expanded, allowing for expansion of the diameter of the expandable implant, by disengaging a coupling member from the sleeve or sleeves from outside of the body of the patient. The expandable implant can comprise a steering line or lines which facilitate bending and steering of the expandable implant through the vasculature of a patient. | 03-20-2014 |
20140072518 | POLYTETRAFLUOROETHYLENE CO-POLYMER EMULSIONS - The present disclosure is directed to a class of fluorinated copolymers, such as a PTFE copolymers, that can be dissolved in low toxicity solvents, such as Class III Solvents, and that enable the creation of stable water-in-solvent emulsions comprising the fluorinated copolymers dissolved in a low toxicity solvents and a hydrophilic agent (e.g., a therapeutic agent) dissolved in an aqueous solvent, such as water or saline. | 03-13-2014 |
20140072514 | POLYTETRAFLUOROETHYLENE CO-POLYMER EMULSIONS - The present disclosure is directed to a class of fluorinated copolymers, such as PTFE copolymers, that can be dissolved in low toxicity solvents, such as Class III Solvents, and that enable the creation of stable water-in-solvent emulsions comprising the fluorinated copolymers dissolved in a low toxicity solvents and a hydrophilic agent (e.g., a therapeutic agent) dissolved in an aqueous solvent, such as water or saline. | 03-13-2014 |
20140067038 | DEVICES AND SYSTEMS FOR RETAINING A MEDICAL DEVICE AT A TREATMENT SITE - In accordance with various embodiments, an anchoring system for a medical device comprises one or more biased hooks. The one or more biased hooks may be formed by any suitable process. Moreover, the one or more biased hooks may be formed from a shape memory material. The anchoring system may be processed in any suitable way to provide a designed or predefined failure mode. This failure mode may be designed to protect or prevent damage to the medical device. The anchoring system may be configured with a plurality of hooks biased in various directions. Moreover, the anchoring system may be configured with a plurality of substantially small hooks configured to engage the anatomy at multiple points. As such, the anchoring systems may be customizable and provide for an implantable medical device with a reduced delivery geometry and/or deployment geometry. | 03-06-2014 |
20140066898 | RETRACTABLE SHEATH DEVICES, SYSTEMS, AND METHODS - The invention is directed to delivery medical devices that enable consistent “on-demand” delivery of therapeutic agents to a vessel. The medical device of the current invention comprises retractable sheath comprising neckable elements. The design and methods disclosed herein ensures that therapeutic agent delivery occurs essentially only upon necking of the outer sheath, minimizing coating and/or therapeutic agent loss to the bloodstream and providing controlled delivery to the treatment site. | 03-06-2014 |
20140066897 | RETRACTABLE SHEATH DEVICES, SYSTEMS, AND METHODS - The invention is directed to delivery medical devices that enable consistent “on-demand” delivery of therapeutic agents to a vessel. The medical device of the current invention comprises retractable sheath comprising neckable elements. The medical device of the current invention comprises an expandable member, a hydrophilic coating comprising at least one therapeutic agent about the expandable member or structural layer and a retractable outer sheath with a selectively permeable microstructure. The design and methods disclosed herein ensures that therapeutic agent delivery occurs essentially only during retraction of the outer sheath, minimizing coating and/or therapeutic agent loss to the bloodstream and providing controlled delivery to the treatment site. | 03-06-2014 |
20140065199 | Reactive Oxidative Species Generating Materials and Methods of Use - Materials capable of delivering stabilized free radicals to targeted treatment sites. The materials comprise semi-crystalline, hydrolytically degradable polymers that are subjected to ionizing radiation to create stabilized free radicals therein. Upon exposure to oxygen containing aqueous media, the materials generate reactive oxidative species which are useful in biological processes. | 03-06-2014 |
20140065090 | Reactive Oxidative Species Generating Materials and Methods of Use - Materials capable of delivering stabilized free radicals to targeted treatment sites. The materials comprise semi-crystalline, hydrolytically degradable polymers that are subjected to ionizing radiation to create stabilized free radicals therein. Upon exposure to oxygen containing aqueous media, the materials generate reactive oxidative species which are useful in biological processes. | 03-06-2014 |
20140052161 | DEVICES AND SYSTEMS FOR THROMBUS TREATMENT - A thrombus treatment device includes a support wire, a body frame portion that is disposed about an axis defined by the support wire, one or more tethers that each have a first end and a second end, and a filter element extending from the body frame portion. Each of the one or more tethers is attached at its first end to the body frame portion, and at its second end to a collar that couples the second end of each of the multiple tethers to the support wire. When the collar is positioned substantially within a region interior of the body frame portion, a rotational actuation of the support wire causes a swiveling motion of the one or more tethers. | 02-20-2014 |
20140052103 | DEVICES AND SYSTEMS FOR THROMBUS TREATMENT - A thrombus treatment device includes a support wire, a body frame portion that is disposed about an axis defined by the support wire, one or more tethers that each have a first end and a second end, and a filter element extending from the body frame portion. Each of the one or more tethers is attached at its first end to the body frame portion, and at its second end to a collar that couples the second end of each of the multiple tethers to the support wire. When the collar is positioned substantially within a region interior of the body frame portion, a rotational actuation of the support wire causes a swiveling motion of the one or more tethers. | 02-20-2014 |
20140046430 | SLEEVES FOR EXPANDABLE MEDICAL DEVICES - The present disclosure describes treatment of the vasculature of a patient with an expandable implant. The implant is constrained to a reduced delivery profile for delivery within the vasculature by at least one sleeve. The implant may be constrained to other diameters, such as an intermediate configuration having a diameter larger than the delivery profile and smaller than the deployment diameter. The sleeves may be expanded, allowing for expansion of the diameter of the expandable implant, by disengaging a coupling member from the sleeve or sleeves from outside of the body of the patient. The expandable implant may comprise a number of side branch fenestrations or fenestratable portions. | 02-13-2014 |
20140046427 | Devices and Methods for Limiting a Depth of Penetration for an Anchor within an Anatomy - The present disclosure includes a securing device comprising one or more barbs. A barb may comprise a depth stop, which may itself comprise an apex portion coupled to a trough portion. A barb may be constructed, in various embodiments, from a length of shape memory wire. Thus, during deployment, a barb may spring away from a medical device to which the barb is coupled such that the barb makes contact with and punctures, to a limited depth, a body lumen wall. A barb may not, however, fully puncture a body lumen wall. Rather, a depth stop may limit a puncture depth to a depth that does not endanger and/or subject tissue surrounding or external to the lumen wall to damage and/or bleeding or leakage from within the lumen. In various embodiments, a pair of barbs may be coupled to from an integral two pronged barb. | 02-13-2014 |
20140046358 | DUAL NET VASCULAR FILTRATION DEVICES AND RELATED SYSTEMS AND METHODS - According to one aspect of the disclosure, a dual net vascular filtration device comprises a central frame, a proximal filter net attached to a proximal end of the central frame, and a distal filter net attached to a distal end of the central frame. Upon deployment, the distal filter net can be configured to evert into the proximal filter net. | 02-13-2014 |
20140046349 | Microanchors for Anchoring Devices to Body Tissues - Tissue anchoring devices in the form of microanchors that partially penetrate tissue, thereby avoiding full thickness penetration of the tissue, yet are secure enough to enable reliable device fixation and easy removal of the device while maintaining normal GI tract functions. | 02-13-2014 |
20140046347 | DEVICES, SYSTEMS AND METHODS FOR ENGAGING TISSUE - The present disclosure describes a system and method for securing medical devices to the tissue of a patient using one or more anchors. Anchors can be independent from or integral to the medical device deployed within the patient. Such anchors are configured to engage and maintain contact with the tissue using a tissue-penetrating point and bendable shaft. | 02-13-2014 |
20140031924 | EVERTING TRANSCATHETER VALVE AND METHODS - Described embodiments are directed toward centrally-opening, leaflet valve devices and systems for transcatheter delivery having a two-piece valve body as well as methods of making and delivering the two-piece valve devices. A transcatheter valve comprises a collapsed configuration and an expanded configuration. The transcatheter valve can further comprise an everted configuration and a non-everted configuration. | 01-30-2014 |
20140021145 | Filtration Article With Fluoropolymer Knit - Disclosed is a filtration article comprising a first layer comprising porous PTFE for fluid filtration (e.g., a PTFE membrane), and a second layer comprising strands of fluoropolymer fibers arranged to form a stable knit. The knit layer comprises interlocking regions that are each defined by corresponding sets of at least two interlocking loop portions of the fluoropolymer fiber strands. In filtration article embodiments, the fluoropolymer fiber strands may be twisted and/or have a rounded outer configuration. The knit layer provides improved dimensional stability as a support layer for the filtration layer and/or as a drainage layer. | 01-23-2014 |
20140018900 | DEPLOYMENT OF ENDOLUMINAL DEVICES - A catheter assembly includes a single sleeve that constrains an expandable device to a dimension suitable for endoluminal delivery of the device to a treatment site, and further allows expansion of the device toward an outer peripheral dimension that is smaller than a fully deployed outer peripheral dimension to allow positioning of the device at the treatment site prior to full deployment and expansion of the device at the treatment site. | 01-16-2014 |
20140018457 | Expandable Functional TFE Copolymer Fine Powder, Expanded Products and Reacted Products Therefrom - A functional TFE copolymer fine powder is described, wherein the TFE copolymer is a polymer of TFE and at least one functional comonomer, and wherein the TFE copolymer has functional groups that are pendant to the polymer chain. The functional TFE copolymer fine powder resin is paste extrudable and expandable. Methods for making the functional TFE copolymer are also described. The expanded functional TFE copolymer material may be post-reacted after expansion. | 01-16-2014 |
20140012252 | AORTIC DISSECTION SEPTAL CUTTING TOOL - The present invention relates to methods of using medical cutting tools for treating aortic septal dissections. | 01-09-2014 |
20130340916 | Comfortable Protective Garments - Garment constructs and garments prepared therefrom having a functional layer and an inner layer of a plurality of textiles, at least two of which are dissimilar textiles, adhered to the functional layer are provided. | 12-26-2013 |
20130325117 | DURABLE HIGH STRENGTH POLYMER COMPOSITES SUITABLE FOR IMPLANT AND ARTICLES PRODUCED THEREFROM - Thin, biocompatible, high-strength, composite materials are disclosed that are suitable for use in a valve for regulating blood flow direction. In one aspect, the composite material maintains flexibility in high-cycle flexural applications, making it particularly applicable to high-flex implants such as a prosthetic heart valve leaflet. The composite material includes a porous polymer membrane and an elastomer, wherein the elastomer fills substantially all of the pores of the porous polymer membrane. | 12-05-2013 |
20130317601 | MEDICAL DEVICE AMENEABLE TO FENESTRATION - The present invention is directed to a device that permits a permanent aperture to be formed in a wall, or other partition, of an implantable medical device. The present invention maintains the continuity and fluid-retaining properties of the implantable medical device by providing a breachable barrier material fully covering an opening delimited by a deformable framework. The invention is accessed with conventional interventional surgical instruments that disrupt and displace the barrier material. Following disruption of the barrier material, the opening is enlarged with surgical instruments to form a permanent framed aperture in the wall of the implantable medical device. The permanent framed aperture provides fluid communication across the wall of the implantable medical device. | 11-28-2013 |
20130317409 | SINGLE ACCESS FLOW-REVERSAL CATHETER DEVICES AND METHODS - Embodiments herein include devices and methods directed toward creating reverse flow within a vessel and thereby providing protection against embolic debris. Embodiments comprise a catheter and a plurality of occluders that are expandable and adjustable within a lumen to create low-pressure areas that reroute blood flow and embolic debris therein. | 11-28-2013 |
20130306232 | DEVICES AND METHODS FOR ATTACHING SUPPORT FRAMES TO SUBSTRATES - Devices and methods for attaching support frames to substrates to form articles such as implantable stent grafts. | 11-21-2013 |
20130260111 | LAMINATED ARTICLES HAVING DISCONTINUOUS BONDED REGIONS - Laminated articles that include a first textile and a functional film layer bonded together by an adhesive layer having a non-uniform adhesive pattern is provided. The non-uniform adhesive pattern creates regions free or substantially free of adhesive that permits the laminate to preferentially bend in those regions. The adhesive regions, together with the non-adhesive regions, create a visible pattern on the surface of the laminate. A second textile may optionally be bonded to the functional film layer opposing the first textile by an adhesive. The first textile or the film layer may be elastic, shrinkable, or expandable. In such embodiments, raised portions of the laminate corresponding to the non-adhesive regions and curled portions corresponding to the adhesive regions are visible. The laminated article is waterproof, liquid-proof, breathable, and aesthetically pleasing and demonstrates a reduction in stiffness, improved insulation properties, improved stretch properties and a reduction of noise associated with bending the article. | 10-03-2013 |
20130253630 | BRANCHED STENT DELIVERY SYSTEM - An interventional delivery system with a first catheter having at its distal end a side branch vessel segment; a second catheter attached around the first catheter and having at its distal end a main vessel segment; a side branch vessel device attached to side branch vessel segment of the first catheter; and main vessel device attached to the main vessel segment of the second catheter. The main vessel device and the side branch vessel device are able to be simultaneously delivered to a treatment site. | 09-26-2013 |
20130253426 | ELUTING MEDICAL DEVICES - The invention is directed to eluting medical devices that enable consistent “on-demand” delivery of therapeutic agents to a vessel. The medical device of the current invention comprises an expandable member, a hydrophilic coating comprising at least one therapeutic agent about the expandable member or structural layer and an outer sheath with a variably permeable microstructure. The design and methods disclosed herein ensures that therapeutic agent delivery occurs essentially only during expansion of the expandable member, minimizing coating and/or therapeutic agent loss to the bloodstream and providing controlled delivery to the treatment site. | 09-26-2013 |
20130245743 | SLEEVE RETRACTION SYSTEM - The present disclosure describes systems for endoluminal devices utilizing a sleeve for constraining an expandable device toward a constrained configuration suitable for endoluminal delivery to a treatment site along vasculature; and a mechanism for retracting at least a portion of the sleeve. | 09-19-2013 |
20130245742 | EXTERNAL STEERABLE FIBER FOR USE IN ENDOLUMINAL DEPLOYMENT OF EXPANDABLE DEVICES - The present disclosure describes treatment of the vasculature of a patient with an expandable implant. The implant is constrained to a reduced delivery diameter for delivery within the vasculature by at least one sleeve. The implant can be constrained to other diameters, such as an intermediate diameter. The sleeves can be expanded, allowing for expansion of the diameter of the expandable implant, by disengaging a coupling member from the sleeve or sleeves from outside of the body of the patient. The expandable implant can comprise a steering line or lines which facilitate bending and steering of the expandable implant through the vasculature of a patient. | 09-19-2013 |
20130238080 | TUBE WITH REVERSE NECKING PROPERTIES - An improved tubular structure adapted to increase in diameter upon application of axial force is provided. Increase in diameter is achieved by constructing the tube from multiple layers of material that move relative to each other during axial elongation of the tube. The tube of the present invention can be used both to avoid problems in “necking” found in many prior tube devices, and to provide additional benefits that increases in diameter of the tube during axial elongation can provide. As such, the tube of the present invention may be useful as a manufacturing aid, as a deployment sheath (for example, to deliver medical devices), and in other applications that may benefit from easier tubular sheath removal. | 09-12-2013 |
20130232825 | Stretchable Insole - Waterproof footwear having a liner material, stretchable insole, and strobel board are described herein. The stretchable insole exhibits a reduction of cushioning stiffness in the forefoot area of at least about 6% in comparison to a standard footwear construction when the waterproof footwear is subjected to the Mechanical Cushioning Test. | 09-12-2013 |
20130231733 | BIOCOMPATIBLE SURFACES AND DEVICES INCORPORATING SUCH SURFACES - The invention is an improved biocompatible surface for a variety of medical purposes. The biocompatible surface employs a unique tight microstructure that demonstrates enhanced cellular response in the body, particularly when placed in contact with blood. As a blood contact surface, the present invention can be beneficially employed in a wide variety of implantable devices and in many other devices and equipment that come in contact with blood. | 09-05-2013 |
20130224472 | Aqueous Delivery System for Low Surface Energy Structures - An aqueous delivery system is described including at least one surfactant and at least one water insoluble wetting agent. Further described are low surface energy substrates, such as microporous polytetrafluoroethylene, coated with such an aqueous solution so as to impart a change in at least one surface characteristic compared to the surface characteristics of the uncoated low surface energy substrate. | 08-29-2013 |
20130221265 | Aqueous Delivery System for Low Surface Energy Structures - An aqueous delivery system is described including at least one surfactant and at least one water insoluble wetting agent. Further described are low surface energy substrates, such as microporous polytetrafluoroethylene, coated with such an aqueous solution so as to impart a change in at least one surface characteristic compared to the surface characteristics of the uncoated low surface energy substrate. | 08-29-2013 |
20130218259 | BIFURCATED SIDE-ACCESS INTRAVASCULAR STENT GRAFT - A bifurcated intravascular stent graft comprises primary stent segments and a primary graft sleeve, forming a main fluid channel and having a side opening therethrough. An external graft channel formed on the primary graft sleeve has a first end communicating with the side opening and an open second end outside the primary graft sleeve, thereby providing a branch flow channel from the main channel out through the side opening and external graft channel. The primary stent segments and graft sleeve engage an endoluminal surface of a main vessel and form substantially fluid-tight seals. The stent graft further comprises a secondary stent graft, which may be positioned partially within the external graft channel, through the open second end thereof, and partially within a branch vessel. The secondary stent graft engages the inner surface of the external graft channel and the endoluminal surface of the branch vessel, thereby forming substantially fluid-tight seals. | 08-22-2013 |
20130211501 | ENDOPROSTHESIS HAVING ALIGNED LEGS FOR EASE OF CANNULATION - The present disclosure is directed to a branched endoprosthesis comprising a graft component and at least one support component. In various embodiments, the branched endoprosthesis comprises a body portion and at least two leg portions, wherein at least two legs are in an aligned configuration for ease of cannulation. In various embodiments, at least one leg is in an open configuration for ease of cannulation. Cannulation methods are also taught. | 08-15-2013 |
20130211498 | ENDOPROSTHESIS WITH VARYING COMPRESSIBILITY AND METHODS OF USE - The present disclosure is directed to an endoprosthesis comprising a graft component and at least one support component with varying compressibility along the length of the endoprosthesis. In various embodiments, the endoprosthesis comprises at least a first segment and a second segment, wherein the first segment is more compressible than the second. In another embodiment having a second segment between the first and third segments, the third segment can also be more compressible than the second segment. Alternatively, in an embodiment, a second segment can have greater rigidity than a first segment, as well as a third segment, if present. | 08-15-2013 |
20130210944 | Expandable Functional TFE Copolymer Fine Powder, the Expandable Functional Produdcts Obtained Therefrom and Reaction of the Expanded Products - A functional TFE copolymer fine powder is described, wherein the TFE copolymer is a polymer of TFE and at least one functional comonomer, and wherein the TFE copolymer has functional groups that are pendant to the polymer chain. The functional TFE copolymer fine powder resin is paste extrudable and expandable. Methods for making the functional TFE copolymer are also described. The expanded functional TFE copolymer material may be post-reacted after expansion. | 08-15-2013 |
20130210302 | Aqueous Delivery System for Low Surface Energy Structures - An aqueous delivery system is described including at least one surfactant and at least one water insoluble wetting agent. Further described are low surface energy substrates, such as microporous polytetrafluoroethylene, coated with such an aqueous solution so as to impart a change in at least one surface characteristic compared to the surface characteristics of the uncoated low surface energy substrate. | 08-15-2013 |
20130204347 | LATTICE - The invention relates to medical devices and methods of using them. The devices are prostheses which can be percutaneously deliverable with (or on) an endovascular catheter or via other surgical or other techniques and then expanded. The prostheses are configured to have a lattice resistant to dilation and creep, which is defined by a plurality of openings. The prosthesis may also optionally have a stent disposed proximal to the lattice. In exemplary embodiments, the fluoropolymer is expanded polytetrafluoroethylene. The composite materials exhibit high elongation while substantially retaining the strength properties of the fluoropolymer membrane. In at least one embodiment, the lattice is made of a composite material that includes a least one fluoropolymer membrane including serpentine fibrils and an elastomer. A lattice including a generally tubular member formed of a composite material including a least one fluoropolymer membrane containing serpentine fibrils and an elastomer is also provided. | 08-08-2013 |
20130203874 | Expandable Functional TFE Copolymer Fine Powder, Expanded Products and Reacted Products Therefrom - A functional TFE copolymer fine powder is described, wherein the TFE copolymer is a polymer of TFE and at least one functional comonomer, and wherein the TFE copolymer has functional groups that are pendant to the polymer chain. The functional TFE copolymer fine powder resin is paste extrudable and expandable. Methods for making the functional TFE copolymer are also described. The expanded functional TFE copolymer material may be post-reacted after expansion. | 08-08-2013 |
20130197631 | DURABLE MULTI-LAYER HIGH STRENGTH POLYMER COMPOSITE SUITABLE FOR IMPLANT AND ARTICLES PRODUCED THEREFROM - A thin, biocompatible, high-strength, composite material is disclosed that is suitable for use in various implanted configurations. The composite material maintains flexibility in high-cycle flexural applications, making it particularly applicable to high-flex implants such as heart pacing lead or heart valve leaflet. The composite material includes at least one porous expanded fluoropolymer layer and an elastomer substantially filling substantially all of the pores of the porous expanded fluoropolymer. | 08-01-2013 |
20130197624 | STENT - The invention relates to a medical device and a method of using it. The device is a stent which can be percutaneously deliverable with (or on) an endovascular catheter or via other surgical or other techniques and then expanded. The stent is configured to have a central portion defined by “open” cells and at least two end portions, defined by “closed” cells, spaced apart and directly connected to the distal and proximal ends of the central portion of the stent. The stent may also optionally have a covering or a lattice with openings. | 08-01-2013 |
20130197617 | STENT - The invention relates to a medical device and a method of using it. The device is a stent which can be percutaneously deliverable with (or on) an endovascular catheter or via other surgical or other techniques and then expanded. The stent is configured to have a central portion defined by “open” cells and at least two end portions, defined by “closed” cells, spaced apart and directly connected to the distal and proximal ends of the central portion of the stent. The stent may also optionally have a covering or a lattice with openings. | 08-01-2013 |
20130196055 | Solid Polymer Electrolyte and Process For Making Same - A solid polymer electrolyte membrane having a first surface and a second surface opposite the first surface, where the solid polymer electrolyte membrane has a failure force greater than about 115 grams and comprises a composite membrane consisting essentially of (a) at least one expanded PTFE membrane having a porous microstructure of polymeric fibrils, and (b) at least one ion exchange material impregnated throughout the porous microstructure of the expanded PTFE membrane so as to render an interior volume of the expanded PTFE membrane substantially occlusive; (c) at least one substantially occlusive, electronically insulating first composite layer interposed between the expanded PTFE membrane and the first surface, the first composite layer comprising a plurality of first carbon particles supporting a catalyst comprising platinum and an ion exchange material, wherein a plurality of the first carbon particles has a particle size less than about 75 nm, or less than about 50 nm, or less than about 25 nm. | 08-01-2013 |
20130192753 | Lightweight, Durable Apparel and Laminates for Making the Same - Laminates are described having a durable outer film surface for use in making lightweight liquidproof articles of apparel, such as outerwear garments. A method of making the laminate and a lightweight outerwear garment having an abrasion resistant exterior film surface is described. | 08-01-2013 |
20130189464 | Expanded TFE Copolymers, Method of Making and Porous, Expanded Articles Thereof - A true tetrafluoroethylene (TFE) copolymer of the fine powder type is provided, wherein the copolymer contains polymerized comonomer units of at least one comonomer other than TFE in concentrations of at least or exceeding 1.0 weight percent, and which can exceed 5.0 weight percent, wherein the copolymer is expandable, that is, the copolymer may be expanded to produce strong, useful, expanded TFE copolymeric articles having a microstructure of nodes interconnected by fibrils. Articles made from the expandable copolymer may include tapes, membranes, films, fibers, and are suitable in a variety of end applications, including medical devices. | 07-25-2013 |
20130184807 | Articles Including Expanded Polytetrafluoroethylene Membranes with Serpentine Fibrils and Having a Discontinuous Fluoropolymer Layer Thereon - Articles comprising an expanded polytetrafluoroethylene membrane having serpentine fibrils and having a discontinuous coating of a fluoropolymer thereon are provided. The fluoropolymer may be located at least partially in the pores of the expanded fluoropolymer membrane. In exemplary embodiments, the fluoropolymer is fluorinated ethylene propylene. The application of a tensile force at least partially straightens the serpentine fibrils, thereby elongating the article. The expanded polytetrafluoroethylene membrane may include a microstructure of substantially only fibrils. The articles can be elongated to a predetermined point at which further elongation is inhibited by a dramatic increase in stiffness. In one embodiment, the articles are used to form a covered stent device that requires little force to distend in the radial direction to a first diameter but is highly resistant to further distension to a second diameter (stop point). A large increase in diameter can advantageously be achieved prior to reaching the stop point. | 07-18-2013 |
20130184737 | METHODS OF MANUFACTURE AND USE OF ENDOLUMINAL DEVICES - A seamless, self-expanding implantable device having a low profile is disclosed along with methods of making and using the same. The implantable device includes a frame cut out of a single piece of material that is formed into a three-dimensional shape. The implantable device may comprise an embolic filter, stent, or other implantable structure. The present invention also allows complicated frame structures to be easily formed from planar sheets of starting material, such as through laser cutting, stamping, photo-etching, or other cutting techniques. | 07-18-2013 |
20130184658 | OCCLUSION DEVICES AND METHODS OF THEIR MANUFACTURE AND USE - Disclosed are implantable medical devices for the occlusion of a bodily lumen, cavity, vessel, or organ, as well as methods for manufacturing such occlusion devices, and methods for treating a subject using the occlusion devices. The devices generally include a wire having shape memory properties and a flexible membranous material disposed about the wire. Some embodiments include a lateral fringe on the membranous material. Some embodiments include a fluid capture cup affixed to the wire. | 07-18-2013 |
20130180657 | Multi-Spectral, Selectively Reflective Construct - A selectively reflective construct, and a method for making the construct, are described. In one embodiment reflectance, transmission and absorption properties may be controlled in multiple electromagnetic bands. A construct is described comprising a) a thermally transparent, visually opaque substrate comprising a polymeric material and a colorant, and b) a thermally reflective layer comprising a low emissivity component which is optionally transparent to radar signal. | 07-18-2013 |
20130178888 | ENDOLUMINAL DEVICE RETRIEVAL DEVICES AND RELATED SYSTEMS AND METHODS - Retrieval devices and related systems and methods are provided. A retrieval device comprises an elongate element having a collapsible retriever at its distal end, wherein the collapsible retriever can be axially delivered over or through an introducer to the site of an object to be retrieved, e.g., a failed endoluminal device. When the retrieval device reaches the failed endoluminal device, the endoluminal device and the retrieval device are withdrawn together through the introducer. The introducer is configured to force the retrieval device down over the endoluminal device reducing the french size of the spent endoluminal device upon extraction. The collapsible retriever can be configured to side-mount a delivery element, or it can be integrated into a delivery system. | 07-11-2013 |
20130172980 | IMPLANTABLE PRODUCT WITH IMPROVED AQUEOUS INTERFACE CHARACTERISTICS AND METHODS FOR MAKING AND USING THE SAME - An implantable medical device including a porous membrane that is treated with a hydrophilic substance to obtain rapid optimum visualization using technology for viewing inside of a mammalian body. These technologies include ultrasound echocardiography and video imaging such as that used during laparoscopic procedures. | 07-04-2013 |
20130166021 | DURABLE MULTI-LAYER HIGH STRENGTH POLYMER COMPOSITE SUITABLE FOR IMPLANT AND ARTICLES PRODUCED THEREFROM - A thin, biocompatible, high-strength, composite material is disclosed that is suitable for use in various implanted configurations. The composite material maintains flexibility in high-cycle flexural applications, making it particularly applicable to high-flex implants such as heart pacing lead or heart valve leaflet. The composite material includes at least one porous expanded fluoropolymer layer and an elastomer substantially filling substantially all of the pores of the porous expanded fluoropolymer. | 06-27-2013 |
20130166016 | EXPANDABLE STENT WITH WRINKLE-FREE ELASTOMERIC COVER - An improved stent-graft device is provided that delivers a smooth flow surface over a range of operative expanded diameters by applying a unique cover material to the stent through a technique that allows the cover to become wrinkle-free prior to reaching fully deployed diameter. The unique cover material then allows the device to continue to expand to a fully deployed diameter while maintaining a smooth and coherent flow surface throughout this additional expansion. Employed with a self-expanding device, when the device is unconstrained from a compacted diameter it will self-expand up to a fully deployed diameter with the graft being substantially wrinkle-free over diameters ranging from about 30-50% to 100% of the fully deployed diameter. Preferably, the graft component comprises an elastomeric material, such as silicone, polyurethane, or a copolymer of PAVE-TFE. | 06-27-2013 |
20130160943 | METHODS FOR AN EXPANDABLE COVERED STENT WITH WIDE RANGE OF WRINKLE-FREE DEPLOYED DIAMETERS - An improved stent-graft device is provided that delivers a smooth flow surface over a range of operative expanded diameters by applying a unique cover material to the stent through a technique that allows the cover to become wrinkle-free prior to reaching fully deployed diameter. The unique cover material then allows the device to continue to expand to a fully deployed diameter while maintaining a smooth and coherent flow surface throughout this additional expansion. Employed with a self-expanding device, when the device is unconstrained from a compacted diameter it will self-expand up to a fully deployed diameter with the graft being substantially wrinkle-free over diameters ranging from about 30-50% to 100% of the fully deployed diameter. | 06-27-2013 |
20130156680 | Expandable Graphite Particles and Methods of Making Same - Small particle size expandable graphite materials are described which are highly expandable, as well as methods of making such unique graphite materials. In one embodiment, expandable graphite particles are described having a particle size nominally between about 100 and 200 US mesh, a chromium content of less than 5 parts per million (ppm) and an expansion of about 80 cc/g or greater when heated at about 500° C. | 06-20-2013 |
20130156629 | STAINLESS STEEL ALLOYS FOR MAKING ENDOPROSTHESES - Stainless steel alloys for fabricating endoprostheses. Endoprostheses can include a variety of devices such as staples, orthodontic wires, heart valves, filter devices, and stents, many of which devices are diametrically expandable devices. | 06-20-2013 |
20130150949 | TUBE WITH REVERSE NECKING PROPERTIES - An improved tubular structure adapted to increase in diameter upon application of axial force is provided. Increase in diameter is achieved by constructing the tube from multiple layers of material that move relative to each other during axial elongation of the tube. The tube of the present invention can be used both to avoid problems in “necking” found in many prior tube devices, and to provide additional benefits that increases in diameter of the tube during axial elongation can provide. As such, the tube of the present invention may be useful as a manufacturing aid, as a deployment sheath (for example, to deliver medical devices), and in other applications that may benefit from easier tubular sheath removal. | 06-13-2013 |
20130150945 | SYSTEMS AND METHODS FOR DELIVERY OF A MEDICAL DEVICE - In various embodiments, the medical device delivery system described herein can be configured to position and deliver a medical device in a body lumen. The medical device delivery system can comprise an elongate member, a medical device and a leash. During deployment, the medical device can be tethered to the catheter by the leash, to stabilize and prevent unwanted shifting of the medical device as it deploys at the treatment site. | 06-13-2013 |
20130150284 | IMMOBILIZED BIOLOGICALLY ACTIVE ENTITIES HAVING A HIGH DEGREE OF BIOLOGICAL ACTIVITY - The present invention relates to immobilized biologically active entities having heparin cofactor II binding activity. | 06-13-2013 |
20130144327 | METHODS OF MANUFACTURE AND USE OF ENDOLUMINAL DEVICES - A seamless, self-expanding implantable device having a low profile is disclosed along with methods of making and using the same. The implantable device includes a frame cut out of a single piece of material that is formed into a three-dimensional shape. The implantable device may comprise an embolic filter, stent, or other implantable structure. The present invention also allows complicated frame structures to be easily formed from planar sheets of starting material, such as through laser cutting, stamping, photo-etching, or other cutting techniques. | 06-06-2013 |
20130131780 | Lattice - The invention relates to medical devices and methods of using them. The devices are prostheses which can be percutaneously deliverable with (or on) an endovascular catheter or via other surgical or other techniques and then expanded. The prostheses are configured to have a lattice resistant to dilation and creep, which is defined by a plurality of openings. The prosthesis may also optionally have a stent disposed proximal to the lattice. In exemplary embodiments, the fluoropolymer is expanded polytetrafluoroethylene. The composite materials exhibit high elongation while substantially retaining the strength properties of the fluoropolymer membrane. In at least one embodiment, the lattice is made of a composite material that includes a least one fluoropolymer membrane including serpentine fibrils and an elastomer. A lattice including a generally tubular member formed of a composite material including a least one fluoropolymer membrane containing serpentine fibrils and an elastomer is also provided. | 05-23-2013 |
20130123900 | IMPLANT ASSEMBLY WITH TACTILE INDICATOR - The present disclosure describes an assembly comprising an expandable device, a restraining member wrapped circumferentially around the device, a coupling member releasably securing the restraining member, and at least one tactile indicator located on the assembly at a desired point of partial deployment, along with a method for partially deploying the expandable device in a patient. During partial deployment of the expandable device, the coupling member is tensioned and displaced from outside the patient by a clinician, and upon reaching the tactile indicator, a change in tension on the coupling member is felt my the clinician performing the procedure. | 05-16-2013 |
20130123896 | EXTERNAL STEERABLE FIBER FOR USE IN ENDOLUMINAL DEPLOYMENT OF EXPANDABLE DEVICES - The present disclosure describes treatment of the vasculature of a patient with an expandable implant. The implant is constrained to a reduced delivery diameter for delivery within the vasculature by at least one sleeve. The implant can be constrained to other diameters, such as an intermediate diameter. The sleeves can be expanded, allowing for expansion of the diameter of the expandable implant, by disengaging a coupling member from the sleeve or sleeves from outside of the body of the patient. The expandable implant can comprise a steering line or lines which facilitate bending and steering of the expandable implant through the vasculature of a patient. | 05-16-2013 |
20130123705 | INTRODUCER SHEATH ASSEMBLY HAVING A LOCKING DILATOR - An introducer assembly includes a valve having a first end and an opposite second end; a sheath fixedly secured to and extending axially from one of the first and second ends of the valve; a dilator extending through the valve and sheath; and a lock knob rotatable between locked and unlocked positions to releasably axially lock the tool relative to the sheath without causing corresponding rotation of the tool therewith. | 05-16-2013 |
20130096663 | ATRAUMATIC LEAD REMOVAL SHEATH - The present invention provides for a safer and less traumatic chronically implanted device and methods for removing same from a patient. One embodiment of the invention provides for a medical device comprising an implantable diagnostic or therapeutic lead having a distal end, a proximal end, a longitudinal axis and an outer surface, and a tubular cover attached to the diagnostic or therapeutic lead, preferably near the distal end, and positioned to cover a substantial portion of the outer surface of the diagnostic or therapeutic lead. The tubular cover is configured to evert upon application of a longitudinal force to extract the diagnostic or therapeutic lead. | 04-18-2013 |
20130035665 | Polymer-Based Occlusion Devices, Systems and Methods - A method of occluding includes imbibing a porous elongate element comprised of ePTFE with a calcium-containing solution. The method also includes delivering, via a delivery catheter, the calcium-imbibed porous elongate element to a target occlusion site. The method further includes administering, after the calcium-imbibed porous elongate element has been completely delivered to the target occlusion site and resides entirely within a volume defined by the target occlusion site, an alginate-containing solution to the target occlusion site. | 02-07-2013 |