Patent application number | Description | Published |
20080223476 | Medical stent with a valve and related methods of manufacturing - Medical stents having valves and their methods of manufacture are disclosed. The valve may be basket-shaped and formed integral to a medical stent to prevent undesirable backflow across the valve. The valve can be formed by converting the braided wires of the stent, by providing elastomeric material onto a mold or fixture to form an elastomeric valve, or by attaching a gasket valve. The valve is normally closed but configured to allow easy opening in response to a predetermined condition. | 09-18-2008 |
20090005850 | Molybdenum Endoprostheses - An endoprosthesis can have a member that includes molybdenum and at least one metal selected from the group consisting of titanium, rhenium, yttrium, palladium, rhodium, ruthenium, tungsten, tantalum, iridium, zirconium, hafnium, niobium, chromium, and combinations thereof. The member can have a microstructure characterized by: (a) a molybdenum-rich base region comprising at least 50 weight percent molybdenum, (b) a surface region comprising at least one metal selected from the group consisting of titanium, rhenium, yttrium, palladium, rhodium, ruthenium, tungsten, tantalum, iridium, zirconium, hafnium, niobium, chromium, and combinations thereof, and (c) an inter-diffusion region in which the concentration of molybdenum decreases in the thickness direction from the molybdenum-rich base region to the surface region of the member. | 01-01-2009 |
20090018645 | Endoprostheses Containing Boride Intermetallic Phases - An endoprosthesis including an alloy having a matrix comprising titanium, niobium, or a combination thereof and a plurality of boride intermetallic phases within the matrix. | 01-15-2009 |
20090214373 | Medical Devices - Endoprostheses including composites, and methods of making the endoprosthesis, are disclosed. The composites include at least a first material and a second material having different chemical compositions from each other. | 08-27-2009 |
20090222079 | MEDICAL DEVICES HAVING ALLOY COMPOSITIONS - A medical device includes an alloy having chromium, niobium, and platinum, wherein the alloy forms at least a portion of the medical device. | 09-03-2009 |
20090259125 | Bioabsorbable Marker Having Radiopaque Constituents And Method of Using the Same - A temporary bioabsorbable-radiopaque marker for use on an implantable endoprosthesis. The bioabsorbable-radiopaque marker is adapted to be disposed on or adjacent an implantable endoprosthesis in a body lumen for a predetermined amount of time until the bioabsorbable and radiopaque materials are absorbed or dispersed in the body. | 10-15-2009 |
20090292352 | METHODS OF MAKING MEDICAL DEVICES - A method of making a stent includes providing a tubular member having a first layer, the first layer and the tubular member having different compositions, removing a portion of the tubular member, and removing a portion of the first layer from the tubular member. | 11-26-2009 |
20100145268 | ALLOY COMPOSITIONS AND DEVICES INCLUDING THE COMPOSITIONS - Alloy compositions, including devices and instruments that include the compositions, are disclosed. The compositions have high hardness, strength, corrosion resistance, and biocompatibility. The compositions can be used to manufacture, for example, medical devices and products. | 06-10-2010 |
20100152833 | STENT-GRAFT WITH BIOABORBABLE STRUCTURAL SUPPORT - The invention relates to a stent-graft with a bioabsorbable structure and a permanent graft for luminal support and ‘treatment of arterial fistulas, occlusive disease, and aneurysms. The bioabsorbable structure is formed from braided filaments of materials such as PLA, PLLA, PDLA, and PGA and the graft is formed from materials such as PET, ePTFE, PCU or PU. | 06-17-2010 |
20100191318 | MEDICAL DEVICES - Medical devices, such as stents, stent-grafts, grafts, guidewires, and filters, having enhanced radiopacity are disclosed. | 07-29-2010 |
20110238150 | Bioerodible Medical Implants - An implantable medical device includes a bioerodible portion adapted to erode when exposed to a physiological environment. The bioerodible portion includes an alloy comprising at least 10 weight percent chromium and has an outer surface having a ratio of chromium oxide to chromium metal of less than 5. The bioerodible implantable medical device can be created by implanting metallic ions into an alloy including at least 10 weight percent chromium to define an outer surface of a medical implant, or precursor thereof. | 09-29-2011 |
20120029614 | Stent-Graft with Bioabsorbable Structural Support - The invention relates to a stent-graft with a bioabsorbable structure and a permanent graft for luminal support and ‘treatment of arterial fistulas, occlusive disease, and aneurysms. The bioabsorbable structure is formed from braided filaments of materials such as PLA, PLLA, PDLA, and PGA and the graft is formed from materials such as PET, ePTFE, PCU or PU. | 02-02-2012 |
20120101565 | BIOABSORBABLE STENT HAVING RADIOPACITY - A radially expandable stent and methods of making the same, the stent made entirely of a bioabsorbable metal, the stent having a portion of increased radiopacity, wherein the portion of increased radiopacity has one or more of the following characteristics: | 04-26-2012 |
20120150276 | MEDICAL DEVICES AND METHOD FOR MAKING THE SAME - Medical devices, such as stents, and methods of the devices are described. | 06-14-2012 |
20130053946 | BIOABSORBABLE POLYMER STENT WITH METAL STIFFENERS - A composite stent comprises an expandable framework made from a bioabsorbable polymer and a plurality of metallic structures disposed on, adhered to or force fit into openings of the expandable framework. Each opening has a perimeter defined by a plurality of struts of the expandable framework. Each strut has a width and a thickness. At least one first metallic structure is disposed along at least a portion of the perimeter of at least one of the openings. Methods for manufacturing such a composite stent are provided herein. | 02-28-2013 |
20130184809 | Disintegrating stent and method of making same - A temporary stent endoprosthesis that does not require an interventional procedure for removal. The disintegrating stent is preferably made from a bioabsorbable polymer, such as by braiding polymer monofilaments into a tubular mesh shape, and the polymer has fracture initiation sites within it that promotes the disintegration of the stent into small pieces that are harmlessly transported out of the body by the vessel contents. Fracture initiation sites may be created by controlling the heterogenous structure of amorphous and crystalline regions, by introducing internal or surface fracture initiation sites, or use of multiple strands with small section size. | 07-18-2013 |
20130238081 | Molybdenum Endoprostheses - An endoprosthesis can have a member that includes molybdenum and at least one metal selected from the group consisting of titanium, rhenium, yttrium, palladium, rhodium, ruthenium, tungsten, tantalum, iridium, zirconium, hafnium, niobium, chromium, and combinations thereof. The member can have a microstructure characterized by: (a) a molybdenum-rich base region comprising at least 50 weight percent molybdenum, (b) a surface region comprising at least one metal selected from the group consisting of titanium, rhenium, yttrium, palladium, rhodium, ruthenium, tungsten, tantalum, iridium, zirconium, hafnium, niobium, chromium, and combinations thereof, and (c) an inter-diffusion region in which the concentration of molybdenum decreases in the thickness direction from the molybdenum-rich base region to the surface region of the member. | 09-12-2013 |
20140236284 | Bioerodible Magnesium Alloy Microstructures for Endoprostheses - A bioerodible endoprosthesis includes a bioerodible magnesium alloy. The bioerodible magnesium alloy has a microstructure including equiaxed Mg-rich solid solution-phase grains having an average grain diameter of less than or equal to 5 microns and second-phase precipitates in grain boundaries between the equiaxed Mg-rich solid solution-phase grains. The beta-phase precipitates have an average longest dimension of 0.5 micron or less. The microstructure can be produced by one or more equal-channel high-strain processes. | 08-21-2014 |
20140330304 | Neuroaneurysm occlusion and delivery device and method of using same - A delivery device for delivering an implantable endoprosthesis with an occlusion region for occluding fluid flow to a desired location in a body lumen. The delivery device includes an outer sleeve and an inner tube terminating at a distal tip. The distal tip is made of one of a dissolvable, bioabsorbable, or deformable material. Upon deployment of the endoprosthesis at the desired location, the shape of the distal tip is altered to a different shape and withdrawn through the constricted region of the endoprosthesis. | 11-06-2014 |