Entries |
Document | Title | Date |
20080208352 | Stent Having Controlled Porosity for Improved Ductility - An endoluminal prosthesis for placement in a body lumen of a metallic material having controlled porosity for improved ductility. The metallic material may be formed into a stent structure or a wire or sheet, which may then be formed into the stent structure. The porous network of the stent includes pores that range from nanometer scale to micron scale. The controlled porosity accommodates volume changes as well as provides a barrier to crack propagation to allow alloy steels and amorphous metal materials, which would otherwise be considered too brittle for the demands of intraventional use, to be utilized in a stent. | 08-28-2008 |
20080234831 | Bioresorbable Stent and Method of Making - A method of making a polymeric stent includes providing a molding apparatus including a central core pin and a plurality of slides, wherein each of the slides includes grooves on an inner surface the slide, wherein the grooves are formed in the shape of the stent. A molten polymer is injected into the grooves and allowed to solidify. The slides are moves away from the central core pin and the solidified polymer, in the shape of a stent, is removed. The central core also may or may not include corresponding grooves depending on the desired cross section of struts and crowns of the stent. | 09-25-2008 |
20080234832 | Prostatic Stent and a Detachable Catheter Apparatus Comprising the Same - The present invention is an endo-prostatic stent and a detachable catheter apparatus including the same, allowing the correct positioning of the stent using tactile feed-back of the operator during insertion i.e. without the need for any imaging means like endoscopy or sonography. | 09-25-2008 |
20080262628 | Mri Compatible Implant Comprising Electrically Conductively Closed Loops - The present invention relates to an implant | 10-23-2008 |
20080288082 | OPEN LUMEN STENT - A stent according to an embodiment of the invention includes an elongate body having a proximal end portion and a distal end portion. The elongate body defines a lumen and an opening in communication with the lumen between the proximal end portion and the distal end portion configured to enable the flow of fluid therethrough. The lumen is configured to have a diameter wherein the opening has a width greater than half the size of the diameter and less than the diameter of the lumen. The opening has a length at least twice the width of opening. In some embodiments, the opening is configured to laterally receive a guidewire therethrough. The elongate body can be configured to releasably couple the guidewire within the lumen of the elongate body such that the elongate body can be slidably moved along the guidewire. | 11-20-2008 |
20080294267 | TWISTED STENT - A stent is disclosed and can include a stent body having a longitudinal axis. The stent body can also have a network of struts that can define a plurality of cells defined between interconnected struts. Each of the plurality of cells includes a major axis that is angled with respect to the longitudinal axis to form a cell angle, β. | 11-27-2008 |
20080312747 | SYSTEMS AND METHODS FOR THE INSPECTION OF CYLINDERS - A system for inspecting cylinders according to various aspects of the present invention generally includes a roller assembly comprising a plurality of rollers configured to hold the cylinder. A light source illuminates the cylinder and a camera produces an image of at least a portion of the cylinder as the roller assembly rotates the cylinder about its longitudinal axis. A computer system is configured to control the roller assembly, light source, and camera and analyze the image to identify a defect associated with the cylinder. | 12-18-2008 |
20080319551 | Thioester-ester-amide copolymers - A poly(thioester ester amide) copolymer and method of making and using the same are disclosed. | 12-25-2008 |
20080319552 | Tubular prosthesis and associated kit - The tubular prosthesis ( | 12-25-2008 |
20090093889 | SYSTEM AND METHOD FOR FORMING A STENT OF A DESIRED LENGTH AT AN ENDOLUMINAL SITE - Described herein are a system and a method for forming a stent of a desired length endoluminally. The system includes an elongate stent body and an outer sheath overlying the stent body. An endoluminal cutting mechanism is operatively connected to a drive cable in communication with the outer sheath. The cutting mechanism is configured to cut the stent body in response to motion of the drive cable. The method of forming the stent of a desired length endoluminally includes directing a system including an elongate stent body and an outer sheath overlying the stent body into a body lumen, positioning the stent body at an endoluminal site, and severing the stent body to form a stent of a desired length at the endoluminal site. An undeployed portion of the stent body remains in the outer sheath for optional deployment in a subsequent severing operation. | 04-09-2009 |
20090105841 | POLYMERIC STENT USEFUL FOR THE TREATMENT OF THE SALIVARY GLAND DUCTS AND METHOD FOR USING THE SAME - A polymeric stent, especially useful in surgical endoscopy and for the treatment of salivary gland ducts comprising; an elongated tube, wherein the proximal end of said tube is having a funnel-like shape; and wherein said funnel further comprise at least one gorge, which enables the suturing of said stent to said duct. The invention also relates to a method for implanting the polymeric stent into the lumen of a salivary gland duct. | 04-23-2009 |
20090125118 | PATTERNED MOLD FOR MEDICAL DEVICE - An apparatus and method for imprinting a pattern on a medical device to provide a surface with greater surface area and improved adhesion properties. | 05-14-2009 |
20090171465 | Polymeric Regions For Implantable Or Insertable Medical Devices - According to one aspect, the present invention is directed to implantable or insertable medical devices which comprise polymeric regions that comprise high vinyl acetate content EVA (or another soft polymer) and a therapeutic agent. In another aspect, the present invention is directed to implantable or insertable medical devices which comprise (a) a first region comprising a first EVA and (b) a second region adjacent to the first region that is of lower durometer than the first region. | 07-02-2009 |
20090177286 | Radiation and radiochemically sterilized fiber-reinforced, composite urinogenital stents - A radiation and radiochemically sterilized, multi-component, fiber-reinforced composite, absorbable/disintegratable urinogenital stent, such as an endoureteral stent, with radiomodulated residence time in the biological site of 1 to 10 weeks depending on the high energy radiation dose used for sterilization. | 07-09-2009 |
20090187254 | UROLOGICAL MEDICAL DEVICES FOR RELEASE OF UROLOGICALLY BENEFICIAL AGENTS - In one aspect, the present invention provides implantable or insertable urological medical devices, which are adapted to release one or more urologically beneficial agents in pharmaceutically effective amounts. | 07-23-2009 |
20090192627 | DOUBLE-TUBE TYPE STENT - A double-tube type stent is inserted into a hollow tubular organ such as a bile duct so as to relieve narrowing of the bile duct on, for instance, an anastomotic area of the intrahepatic bile duct of a liver transplant patient. A hollow cylindrical body has a plurality of rhombic spaces formed by weaving a superelastic shape-memory-alloy wire so as to be crossed. A silicon coating layer is coated on an outer surface of the cylindrical body using a silicon solution. A polytetrafluoroethylene (PTFE) tube is fixedly fitted around the cylindrical body having the silicon coating layer leaving a gap therebetween. | 07-30-2009 |
20090248169 | URETERAL STENTS FOR RELEASE OF UROLOGICALLY BENEFICIAL AGENTS - According to one aspect of the invention, ureteral stents are provided that comprise an elongated stent body and a urologically beneficial agent. The elongated stent body comprises a kidney portion adapted to occupy the kidney of a subject upon implantation, a ureter portion adapted to occupy the ureter of a subject upon implantation, and a bladder portion adapted to occupy the bladder of a subject upon implantation. The ureteral stents of the invention are adapted to release the urologically beneficial agent into the subject. Moreover, the amount of urologically beneficial agent that is released varies along the length of the stent. Other aspects of the invention pertain to methods of forming such stents and methods of using such stents. | 10-01-2009 |
20090276055 | METHOD FOR GASTRIC VOLUME REDUCTION SURGERY - A method for treating a patient includes creating at least one incision to gain access to an petitoneal cavity, performing a gastric volume reduction procedure and introducing a device to prevent gastric contents from interacting with at least a portion of the duodenum. | 11-05-2009 |
20100049328 | GASTROENTEROLOGICAL MEDICAL DEVICE, IN PARTICULAR STENT FOR THE GALL OR PANCREATIC DUCT - A gastroenterological medical device, particularly a stent for the gall or pancreatic duct, has a substantially tubular, intrinsically stable carrier that is provided with a spacer layer that is attached to the carrier surface, and a layer of an electronegative glycosaminoglycan that is attached to the spacer layer. | 02-25-2010 |
20100070047 | Convertible Nephroureteral Catheter - A nephroureteral catheter is provided that comprises a detachable portion such that when the detachable portion is removed, the catheter converts into an internal stent. Catheter | 03-18-2010 |
20100100194 | Apparatus and Method For The Treatment of Cataract - A method and related apparatus to treat cataract where the cataractous lens is pierced and the resulting opening is mechanically maintained using a lens system device such as a pinhole device, expandable tubular lens, a stent or similar small diameter device, some of which are capable of supporting a secondary intraocular lens. The resulting passageway or lumen created in the cataractous lens allows visible light to better reach the retina, thus improving vision. This lens system device that can be placed into an in situ cataract provides for a much simpler surgical technique and reduces related pre and post operative procedures and potential complications. The method does not involve removal of the cataractous lens and replacement with an intraocular lens, but rather involves the addition of a device that maintains an improved passageway for light through the cataractous lens, reducing scatter and improving image formation on the retina. Intraocular lenses may also be used in concert with this invention. The apparatus and technique can be applied to humans as well as animals. | 04-22-2010 |
20100100195 | Implant and delivery tool therefor - An implant system including a transurethral prostatic implant positioned in a prostate and including a lumen with an inner perimeter that surrounds an outer perimeter of a urethra at the prostate. The implant system may include a delivery tool including a shaft having a distal portion and an implant-holding portion proximal to the distal portion, the distal portion being sized for entry into a urethra, and the implant-holding portion being thicker than the distal portion, and an implant positioned on the implant-holding portion. | 04-22-2010 |
20100106255 | SELF-EXPANDING FRONTAL SINUS STENT AND INSERTION TOOL - A self-expanding stent for use in maintaining patency of the frontal sinus drainage pathway and for the management of the frontal sinus postoperatively. The self-expanding frontal sinus stent helps maintain the pathway connecting the frontal sinus cavity open by filling this space and preventing restenosis of the frontal sinus drainage pathway following sinus surgery. The self-expanding stent may include a medical grade, flexible plastic material having with one or more recoil mechanisms having a memory to self expand. The self-expanding stent is compliant meaning that it may expand to the actual size of the space into which it is placed. The self-expanding stent may also be self-retaining. An insertion tool having the appropriate angulation and malleability may be used for ease of insertion of the self-expanding stent endoscopically into the frontal sinus. The use of a self-expanding frontal sinus stent and insertion tool for ease of insertion leads to less trauma for the patient and better surgical outcomes. | 04-29-2010 |
20100114325 | Prophylactic Pancreatic Stent - A stent and a method for implanting a stent for prophylactically protecting a duct are provided. The stent includes a non-expandable, generally tubular body having a proximal portion and a distal portion, a lumen extending through at least a portion of the body, a distal opening in the distal portion in fluid communication with the lumen and a proximal opening in the proximal portion in fluid communication with the lumen. The stent further includes a cap portion operably connected to the proximal portion of the body, the cap portion is movable between a non-expanded configuration and an expanded configuration. The non-expanded configuration has a reduced diameter to facilitate advancement into the patient and the expanded configuration has an expanded diameter configured to protect an opening of the internal bodily duct so as to prevent an unintentional entry of an elongate medical device through the opening and into the passageway of the internal bodily duct. | 05-06-2010 |
20100145467 | Porous Ureteral Stent - In some embodiments, a stent includes an elongate member and a distal retention member. The elongate member is configured to be disposed within a ureter of a patient and has a first portion, a second portion and a plurality of beads bonded together. The plurality of beads define a plurality of spaces between the plurality of beads. The plurality of spaces are configured to allow fluid to flow from the first portion of the elongate member to the second portion of the elongate member. The distal retention member is configured to help maintain a portion of the stent within a kidney of the patient. | 06-10-2010 |
20100152861 | Ureteral Stent - A ureteral stent comprising a short renal coil made of a pliable material and a wick portion made of a material having a hydrophilicity or hydrophobicity different from that of the renal coil and extending from a ureteropelvic junction to a bladder so as to assist in the transfer of urine out of a kidney and into the bladder and to improve patient comfort. Due to increased hydrophilicity or hydrophobicity, wick may be significantly smaller in diameter than renal coil, resulting in less reflux of urine into the kidney and further decreasing patient discomfort. The stent may further comprise one or more couplers between the renal coil and wick portion, such as clamps, couplers, sutures, adhesives or receiving ends of the renal coil, and the wick portion may further comprise a sheath surrounding an elastic core to prevent kinking and enhance the ability of the wick portion to move with the patient. A novel method of ureteral stent placement is also disclosed. | 06-17-2010 |
20100174381 | Suction stent - The present invention relates to a stent for introduction into a hollow organ, in particular the gastrointestinal tract, of a human or animal patient, which brings about vacuum sealing of leaks, such as anastomosis insufficiencies, in the hollow organ. | 07-08-2010 |
20100211181 | NASAL PASSAGE STENT - Embodiments of the invention are directed to nasal stents incorporating a filter and methods of use thereof. In one embodiment, a nasal stent has a stent body having a lumen with the same inner diameter (ID) along the length thereof. In an alternative embodiment, the nasal stent has a stent body having a lumen with a decreasing ID along the length thereof. In any embodiment, the stent is capable of having a compressed configuration and an expanded configuration. The nasal stent may further include a tubular insert housing a retaining mechanism to retain a filter at a proximal end thereof. A support may further fix the filter at a proximal end thereof. When inserted within a nostril of a person, the filter may function to filter particulates from the air when a person breathes in. | 08-19-2010 |
20100286791 | Integrated system for the ballistic and nonballistic infixion and retrieval of implants - Provided are methods and apparatus for the use of magnetic traction to maintain the patency of a tubular anatomical structure, whether a vessel, duct, the trachea, bronchus, bile duct, ureter, vas deferens, fallopian tube, or portions of the digestive tract, as to constitute means for extraluminal stenting. An extraluminal stent consists of a perimedial or medial intravascular and an extravascular component. The intravascular component consists of ferromagnetic spherules implanted aeroballistically or stays implanted by means of a special hand tool, while the extravascular component consists of a pliant jacket or mantle that has magnets mounted about its outer surface. A catheter adapted for use as the barrel of a gas-operated implant insertion gun is so devised that it can be used independently to perform an angioplasty and thereafter have its free or extracorporeal end inserted into the airgun to initiate implantation of the intravascular component without the need for withdrawal and reinsertion through the introducer sheath. When the implants must be spaced too closely together to be controlled by hand, a positional control system is used to effect discharge automatically. Spherules that consist entirely of medication or that have a radiation emitting seed as the core can be implanted with the same apparatus. A glossary of terms follows the specification. | 11-11-2010 |
20100298948 | Systems and Methods for Prostate Treatment - An energy delivery probe is provided that may include any of a number of features. One feature of the energy delivery probe is that it can apply energy to tissue, such as a prostrate, to shrink, damage, denaturate the prostate. In some embodiments, the energy can be applied with a vapor media. Another feature of the energy delivery probe is that it can deploy a stent to apply tissue-compressive forces to the prostate tissue after energy delivery. Methods associated with use of the energy delivery probe are also covered. | 11-25-2010 |
20110066251 | ANTI-ANGIOGENIC COMPOSITIONS AND METHODS OF USE - The present invention provides compositions comprising an anti-angiogenic factor, and a polymeric carrier. Representative examples of anti-angiogenic factors include Anti-Invasive Factor, Retinoic acids and derivatives thereof, and taxol. Also provided are methods for embolizing blood vessels, and eliminating biliary, urethral, esophageal, and tracheal/bronchial obstructions. | 03-17-2011 |
20110087336 | SELF-EXPANDING PLASTIC STENT - The self-expanding plastic stent is a resilient plastic stent with such expansional strength that a small diameter delivery system may be used to implant the stent, thereby minimizing possible complications for the patient. The stent is made from a braided monofilament, which may be polyetheretherketone (PEEK), polyetherketone (PEK), polyetherketoneketone (PEKK), polyaryletherketone (PAEK), polyetherketoneether-ketoneketone (PEKEKK), or any blends and alloys of these particular resins. The plastic stent may or may not be covered with polymer film. When used, the polymer film includes materials based on polyurethanes, silicones, or materials that biodegrade or erode in the body. Specifically the biodegradable materials might include poly-L-lactide, poly-D-lactide, polyglycolide, ε-caprolactone (epsilon-caprolactone), starch, and collagen or its polymer blends, alloys or copolymers. This material is heat-treated. The monofilament preferably has a diameter of 0.2-0.7 mm. The self-expanding plastic stent demonstrates better mechanical features, processibility, and shape memory. | 04-14-2011 |
20110098825 | STENT FOR PROSTATIC URETHRA EXPANSION - Disclosed herein is a stent for prostatic urethra expansion which does not generate bladder stones, is removable without causing injury on a urethra, and does not generate atrophy of a prostatic urethra even after removal. The stent for prostatic urethra expansion include a stent unit including a cylindrical body with space parts formed by knotting or crossing shape memory alloy wires and bending terminals formed at both ends of the cylindrical body, a pair of hook wires passing through the space parts and knotted to the shape memory alloy wires, both ends thereof being wound on the bending terminals and then being bent upwardly to produce hooks, and a pair of hanging strings arranged in opposite directions to form a hanging knot. The stent for prostatic urethra expansion does not move into the bladder, and expands and maintains a lumen of the stenosed prostatic urethra, thereby reducing post-operative recovery time. | 04-28-2011 |
20110153027 | Drug Delivery System - A drug delivery medical device such as a gastrointestinal stent comprises a support | 06-23-2011 |
20110230974 | AIRWAY ANCHOR SUTURE TO PREVENT AIRWAY STENT MIGRATION - An airway stent with an integral suture anchor is used to prevent migration of the stent within the airway. The suture anchor is incorporated by percutaneous placement of a suture through the neck and into the stent. The distal end of the suture includes an anchor element to secure the suture to the stent. The opposite end of the suture is tensioned and held in place by a suture clamp and a pledget routed over the stent and placed against the neck. Airway stents such as tracheal stents are effective at maintaining airway patency however; a common complication is stent migration. The integral suture anchor provides a reliable, economical, and non-intrusive solution to stent migration. | 09-22-2011 |
20110270405 | Duodenal Metabolic Stent - In at least one embodiment, the invention is directed to an endoluminal device comprising a stent and a sleeve. In one embodiment, the endoluminal device is implanted in a portion of the gastrointestinal tract. In some embodiments, the stent has a first region and a second region where the first and second regions provide different levels of radial force. In one embodiment, the first region is made from a plurality of first wires having a first diameter and the second region is made from a plurality of second wires having a second diameter which is smaller than the first diameter. In other embodiments, the endoluminal device has at least one engagement mechanism engaging the stent to the sleeve, the endoluminal device to a body lumen, and any combination thereof. In at least one embodiment, the endoluminal device has a wall with at least one opening therein. | 11-03-2011 |
20110270406 | Anti-Obesity Stent - The anti-obesity stent includes a tubular structure having outer and inner surfaces and proximal and distal ends. The tubular structure is sized to fit within a duodenum in substantially coaxial relation therewith. The tubular structure is impervious or semi-permeable to digestive substances and chyme within the duodenum. The anti-obesity stent includes a transport structure at least a part of which is coincident with or connected to the outer surface. The transport structure extends to the distal end of the tubular structure. At least one retainer structure is connected to the tubular structure. The retainer structure secures the tubular structure within the duodenum such that the transport structure is positioned to receive digestive fluids from a papilla of Vater on an inner surface of the duodenum. The transport structure provides a conduit for the digestive fluids therein to flow to the distal end. | 11-03-2011 |
20110282461 | STENT - Disclosed herein is a stent implanted in the body of a patient. The stent includes a hollow cylindrical stent body which is made of a super-elastic shape memory alloy and has an expanded diameter part on one end thereof, and a support stent which has an elastic spherical structure and is fitted over the cylindrical stent body behind the expanded diameter part. The stent is implanted in the body such that food that has passed through the stomach is prevented from mixing with bile or pancreatic juice in the duodenum and moves directly into the small intestine to prevent the duodenum from absorbing nutrients of the food while the small intestine directly digests the food and absorbs the nutrients, thus minimizing a nutrient absorption rate, thereby preventing the obesity of the patient. | 11-17-2011 |
20110307069 | Rotate-to-advance catheterization system - Apparatus for accessing a bodily passageway, the apparatus comprising:
| 12-15-2011 |
20110307070 | STENT FOR REPAIR OF ANASTOMASIS SURGERY LEAKS - A stent for repairing post-anastomasis (e.g., bariatric) surgery leaks is formed by an elongated tube having a proximal flare-shaped flange, an enlarged middle section, and a distal flare-shaped flange, where an exterior surface of the elongated tube is substantially covered with a polymer. | 12-15-2011 |
20110313535 | UROLOGICAL REPAIR APPARATUS AND METHOD - A urological repair device includes a stent having a diameter that fits within a portion of a urological structure. The stent also has a length to bridge a distance between a first end of the urological structure and a second end of the urological structure. The stent includes at least one tapered end. The tapered end enables placement of the stent within the urological structure. A method of repairing a urological structure includes placing a first end of a substantially tubular urological structure over a first end of a tubular stent, and placing a second end of a substantially tubular urological structure over a second end of a stent, and attaching the first end of the substantially tubular urological structure, the second end of a substantially tubular urological structure, and the tubular stent to form a fluid passageway. | 12-22-2011 |
20120010721 | PARTIALLY SOLUBLE IMPLANTABLE OR INSERTABLE MEDICAL DEVICES - An elongate medical device configured for at least partial implantation or insertion into a subject. The medical device has at least one surface that contains one or more depressions, which are at least partially filled with a soluble material. Also described methods of making such devices. | 01-12-2012 |
20120029652 | APPARATUSES AND METHODS FOR IMPLANTING GASTROINTESTINAL STENTS - In one embodiment, a surgical device includes a stent deployment device that includes a stent, a dilator, and a cutting element that can be selectively extended from and retracted into the surgical device. In some embodiments, the surgical device can be used to implant a stent in a patient by passing the surgical device through a natural orifice of the patient, accessing the peritoneal cavity with the surgical device, translumenally accessing the lumen of the small intestine with the surgical device, passing a stent deployment device into the lumen with the surgical device, and expanding the stent within the lumen using the surgical device. In other embodiments, the surgical device can be used to perform endoscopic translumenal pancreatic pseudocyst drainage. | 02-02-2012 |
20120035738 | INTRAVITREOUS SELF ADAPTIVE STENT - Disclosed herein are devices, methods and kits for a stent for treating an eye, comprising a flexible material, wherein the stent is self adaptive to a dimension of a vitreous cavity in the eye. | 02-09-2012 |
20120046756 | TREATMENT OF NASAL CAVITIES WITH STENT HAVING A SOFT OUTER LAYER - A method of treatment of sinusitis and other related diseases including disposing a radially expandable stent into a nasal passageway and radially expanding the stent in a blocked region of the nasal passageway to expand the blocked region is disclosed. The stent includes a tissue-cushioning portion composed of a hydrogel-forming or elastomeric polymer material to provide cushioning between the stent and nasal tissue and reduce irritation of the nasal tissue. | 02-23-2012 |
20120046757 | COVALENT MODIFICATION OF METAL SURFACES - The present invention provides modified metal surfaces, methods of preparing the same, and intermediates thereto. These materials are useful in a variety of applications including biomaterials. | 02-23-2012 |
20120071987 | REMOVABLE AND/OR RETRIEVABLE STENTS AND KITS - Stents, kits and methods of using the stents are described herein. The stents may include one or more features that assist in removal and/or retrieval of the stent after deployment. | 03-22-2012 |
20120078377 | SYSTEMS, DEVICES AND METHODS FOR PROVIDING THERAPY TO AN ANATOMICAL STRUCTURE USING HIGH FREQUENCY PRESSURE WAVES AND/OR CRYOGENIC TEMPERATURES - A system, device and method for dilating an anatomical structure. Systems, devices and methods may comprise a therapeutic component configured to treat a paranasal sinus. Specific embodiments may use high frequency pressure waves and/or cryogenic temperatures. | 03-29-2012 |
20120083897 | RADIATION AND RADIOCHEMICALLY STERILIZED FIBER-REINFORCED, COMPOSITE URINOGENITAL STENTS - A radiation and radiochemically sterilized, multi-component, fiber-reinforced composite, absorbable/disintegratable urinogenital stent, such as an endoureteral stent, with radiomodulated residence time in the biological site of 1 to 10 weeks depending on the high energy radiation dose used for sterilization. | 04-05-2012 |
20120095566 | FLEXIBLE URETERAL STENT - In one embodiment, a medical device includes an elongated member having a sidewall defining a lumen. The lumen extends through the member and defines a center line which extends through a center of the lumen in a direction longitudinal to the member. The sidewall defines a plurality of slots. Each successive slot is circumferentially offset about the sidewall. In another embodiment, a medical device includes a member defining a lumen extending through the member. Locations of an outer surface of the member are defined by a distance d from a proximal end of the member and an angle θ from a first point of a cross-section of the member. A sidewall of the member includes slots extending through the sidewall along planes extending from a line extending through a center of the lumen. Successive slots have their respective distances d successively farther from the proximal end of the member and their respective angles θ successively increasing. | 04-19-2012 |
20120095567 | OUTER TUBE FOR STENT REPOSITIONING AND DEPLOYMENT - A drainage stent delivery system including a stent, a guide catheter, a push catheter, and an outer sheath. The guide catheter extends through the lumen of the stent and the push catheter is disposed over a portion of the guide catheter proximal of the distal end of the stent. The outer sheath is slidably disposed over the push catheter and surrounding at least a portion of the stent. The outer sheath may be actuated from a first position in which a distal portion of the outer sheath surrounds the stent to a second position in which the distal portion of the outer sheath is proximal of the stent. The stent delivery system may also include a retention mechanism for selectively coupling the stent to the outer sheath which may selectively decouple the stent from the outer sheath through rotational and/or translational motion of the outer sheath relative to the stent. | 04-19-2012 |
20120109332 | MEDICAL DEVICE FOR RELEASING IN A HOLLOW ORGAN AND INSERTION SYSTEM FOR MEDICAL DEVICES - A medical device for releasing in a hollow organ having a hollow cylindrical body that can be transferred in a compressed state having a reduced diameter and in an expanded state having an enlarged diameter. The body having a stop means at the proximal and/or distal axial end thereof having at least one retaining element connected to the body by a connecting segment. The retaining element and the body are decoupled by the connecting segment such that the retaining element has a smaller curvature in the compressed state than the body. The connecting segment elastically connects the retaining element and the body, wherein the contour of the retaining element in the compressed state of the body protrudes past the outer circumference of the body such that the retaining element is displaceable radially inward relative to the body into a stop position through the inner wall of an insertion system. | 05-03-2012 |
20120116528 | TEMPORARY PROTECTIVE GASTROINTESTINAL DEVICE - Disclosed is an intraluminal gastrointestinal (GI) device that is placed at the time of surgery to protect a freshly constructed GI anastomosis, GI staple-line, or the like. For the esophagus and stomach, the device covers the esophagus, stomach, and anastomosis/staple-line. For the pancreas or biliary duct, the device covers the biliary duct, pancreatic duct, and small bowel. For the colon and rectum, the device is a self expanding protective barrier that covers the anal canal, the anus, and the colon or rectum, approximately 18 cm proximal to the anus. These devices provide a waterproof barrier between the gastrointestinal content and the mucosa of the GI tract and the newly constructed anastomosis. Additionally, the design of the device is made to prevent migration within the gastrointestinal tract and facilitate removal of the device. | 05-10-2012 |
20120143345 | FIXING APPARATUS FOR FIXING AN APNEA STENT IN THE RESPIRATORY DUCT - This invention relates to a fixing apparatus for fixing an apnea stent in the respiratory duct, the fixing apparatus ( | 06-07-2012 |
20120191213 | STRESS REDUCTION DEVICE AND METHOD - A stress reduction device and method includes positioning a device at the gastro-esophageal region of the patient. The device has a wall that is generally configured to the anatomy at the gastro-esophageal region of the patient. A strain is applied with the wall at the gastro-esophageal region, thereby increasing generation of at least one neuro-humoral transmitter. | 07-26-2012 |
20120303132 | STENT FOR BILE DUCT - The present invention relates to a stent which is inserted into a stenosed bile duct to enlarge the bile duct. The stent includes a plurality of hooks which extend outwards from the main body of the stent at a predetermined angle and are spaced apart from each other. Therefore, when the stent is inserted into the bile duct, the hooks that extend outwards from the main body at a predetermined angle are hooked to the inner surface of the bile duct, thus preventing the stent from slipping relative to the bile duct. | 11-29-2012 |
20120310363 | ESOPHAGEAL STENT - A stent comprised of a scaffolding structure having components configured to allow at least a portion of the stent to decrease in diameter in response to an axial force applied to the stent. Further, the components and elements of the stent may be configured to balance transverse forces applied to the stent, thus reducing the incidence of infolding. | 12-06-2012 |
20120316656 | BALLOON EXPANDABLE STENT - An apparatus is provided that includes an elongate member having a distal end portion, a proximal end portion, and a medial portion that is disposed between the distal end portion and the proximal end portion. The medial portion is configured to be disposed in a ureter of a patient. The apparatus further includes an expandable member that is coupled to the elongate member. The expandable member has an expanded configuration and a collapsed configuration. The expandable member is further configured to be inserted into the ureter of the patient and configured to contact the ureter to help retain the elongate member in place within the patient. | 12-13-2012 |
20120330433 | MEDICAL STENT AND PRODUCTION METHOD OF MEDICAL STENT - The medical stent includes: a main body formed into an approximately tubular shape along a longitudinal axis with a first resin material; an elastic member formed of a second resin material which is larger in flexural modulus than the first resin material, and configured to have one end portion connected to an end portion of the main body and the other end portion formed to extend to the central portion side of the main body along the longitudinal axis and also to direct to the radial direction of the main body; and a treated layer formed between the end portion of the main body and the one end portion of the elastic member and configured to have a functional group for joining the end portion of the main body and the one end portion of the elastic member to each other. | 12-27-2012 |
20130013083 | Tissue-Engineered Constructs - Constructs including a tubular biodegradable polyglycolic acid scaffold may be coated with extracellular matrix proteins and are substantially acellular. The constructs can be utilized as an arteriovenous graft, a coronary graft, an arterial graft, a venous graft, a duct graft, a skin graft, or a urinary graft or conduit. | 01-10-2013 |
20130018481 | COATED STENTS AND PROCESS FOR COATING WITH PROTEIN - A process for coating of implantable structures, such as stents, by using a composition which comprises at least one hydrophobin derivative (H), water and further components leads to long time usable implants. | 01-17-2013 |
20130030545 | SINUS STENT - Paranasal sinus apparatus is provided, including a hole-forming member configured to form a hole through a bone wall of a paranasal sinus of a subject. An implant is provided, having a proximal end and a distal end, and which is shaped to define a lumen. The implant is couplable to the hole-forming member, and is securable to the wall and extendable through the hole, such that the proximal end is disposed external to the paranasal sinus and the distal end is disposed within the paranasal sinus. The implant includes a biodegradable material. Other applications are also described. | 01-31-2013 |
20130073052 | STENT WITH IMPROVED END CELL STRUCTURAL MEMBER | 03-21-2013 |
20130090741 | Magnesium Alloys for Bioabsorbable Stent - A stent is formed from a magnesium alloy that consists essentially of: 0-10 weight % rare earth element; 0-5 weight % Li; 0-1 weight % Mn; 0-1 weight % Zr; and balance Mg, or the stent is formed from a magnesium alloy that consists essentially of: 0-5 weight % rare earth element; 0-8 weight % Li; 0-1 weight % Mn; 0-1 weight % Sn; 0-3 weight % Al; 0-4 weight % Zn; and balance Mg. | 04-11-2013 |
20130096692 | NON-CIRCULAR ESOPHAGEAL STENTS AND DELIVERY SYSTEMS - Stents that have non-circular cross-sectional profiles and systems for delivering the stents are described herein. | 04-18-2013 |
20130103161 | Iron Based Alloys for Bioabsorbable Stent - A stent includes an iron-based alloy that consists essentially of: Fe—X—Y, wherein X is at least one austenite stabilizing element selected from the group consisting of Co, Ni, Mn, Cu, Re, Rh, Ru, Ir, Pt, Pd, C, and N, and wherein Y is at least one corrosion-activator species selected from the group consisting of Au, and Pd. | 04-25-2013 |
20130103162 | COATED STENT - An implantable medical device is provided having a plurality of interstices including concave or convex shaped coatings. The concave or convex shaped coatings are configured to straighten and then stretch as the implantable medical device is compressed or elongated, thereby delaying the onset of wrinkling in the coating material. The implantable medical device may include a tubular body having a central body portion and a flange of greater diameter than the central body portion. | 04-25-2013 |
20130123934 | GROOVED PANCREATIC STENT - The invention generally relates to pancreatic devices and methods for guiding cannulation of the bile duct. In certain aspects, the invention provides a tubular stent comprising groove along the length of at least a portion of the stent. In certain aspects, the invention provides a method for cannulating a bile duct. | 05-16-2013 |
20130138219 | BIODEGRADABLE STENTS HAVING ONE OR MORE COVERINGS - The present embodiments provide a medical device comprising a stent framework having proximal and distal regions and a lumen extending therebetween, and which comprises a biodegradable material. A first covering is coupled to at least a portion of an outer surface of the stent framework. When the stent framework is in an expanded deployed configuration, at least a portion of the first covering is disposed adjacent to a target site and fluid flows through the lumen of the stent framework. Further, the stent framework comprises a material that biodegrades a predetermined time after the first covering achieves at least partial remodeling at the target site. In various embodiments, one or more second coverings may be disposed adjacent to the first covering and comprise a material that biodegrades before the stent framework biodegrades. | 05-30-2013 |
20130158673 | Anti-Leakage Prosthesis - A prosthesis and a method for directing flow through a passageway formed between a first bodily lumen and a second bodily lumen are provided. The prosthesis includes a body having a proximal portion, a distal portion and a lumen extending therethrough. The prosthesis also includes a sleeve operably connected to the body at a connected portion. The sleeve has a proximal portion, a distal portion, and a sleeve lumen extending therethrough. At least a portion of the body is positioned within at least a portion of the sleeve lumen and the distal portion of the sleeve is free from connection to the distal portion of the body and extendable away from the body to contact a wall of the first bodily lumen. The sleeve is configured to allow fluid flow through the sleeve lumen from the first bodily lumen to the second bodily lumen. | 06-20-2013 |
20130184833 | REDUCED WIRE PROFILE STENT - Methods and apparatuses of stents with likely reduced rates of tissue perforation are provided. Some embodiments include reducing the profile of a portion of the stent using a wire profile reduction electropolishing bath and/or other wire profile reduction means. | 07-18-2013 |
20130197657 | CENTRAL AIRWAY STENT - The present invention relates to central airway stents, and methods and devices for deploying such stents. The central airway stents are useful for maintaining or prolonging the patency of a central airway. | 08-01-2013 |
20130197658 | NASAL PASSAGE STENT - Embodiments of the invention are directed to nasal stents incorporating a filter and methods of use thereof. In one embodiment, a nasal stent has a stent body having a lumen with the same inner diameter (ID) along the length thereof. In an alternative embodiment, the nasal stent has a stent body having a lumen with a decreasing ID along the length thereof. In any embodiment, the stent is capable of having a compressed configuration and an expanded configuration. The nasal stent may further include a tubular insert housing a retaining mechanism to retain a filter at a proximal end thereof. A support may further fix the filter at a proximal end thereof. When inserted within a nostril of a person, the filter may function to filter particulates from the air when a person breathes in. | 08-01-2013 |
20130204391 | HIGHLY ELASTIC STENT AND PRODUCTION METHOD FOR HIGHLY ELASTIC STENT - A highly elastic stent is made of an alloy that exhibits superelasticity at body temperature. At least a part of the highly elastic stent has such a property that load increases with displacement without exhibiting a distinct yield on a load-displacement curve obtained by a compression test and a bending test. | 08-08-2013 |
20130211537 | MEDICAL DEVICES INCLUDING DUPLEX STAINLESS STEEL - Medical devices, such as endoprostheses, and methods of making the devices are disclosed. The endoprostheses comprise a tubular member capable of maintaining patency of a bodily vessel. The tubular member includes a duplex stainless steel (e.g., 2205 stainless steel), which may be magnetized. | 08-15-2013 |
20130211538 | SURGICAL SITE ACCESS SYSTEM AND DEPLOYMENT DEVICE FOR SAME - An expandable surgical site access system and method for using the expandable surgical site access system to perform minimally invasive, percutaneous surgeries to access the spine or other bone structures, organs, or locations of the body is disclosed. In one embodiment, the surgical site access system includes an elongated, expandable stent that is particularly adapted to be deployed in a body during a surgical procedure to provide access to a surgical site within the body. The stent defines a working channel through the body from a point of entry to the surgical site. | 08-15-2013 |
20130218289 | METHOD AND SYSTEMS FOR DETERMINING PREPAREDNESS OF THE UTERUS FOR DELIVERY - The invention is directed to an endoluminal device ( | 08-22-2013 |
20130226308 | RAPID EXCHANGE STENT DELIVERY SYSTEM AND ASSOCIATED COMPONENTS - A rapid exchange stent delivery catheter includes an inner tubular member having a proximal portion, a distal portion, a stent holding portion located adjacent the distal portion of the inner member, and a guide wire lumen extending from a proximal guide wire opening disposed distal of the proximal portion of the inner member to a distal guide wire opening disposed at a distal end of the inner member. The proximal guide wire opening has a first length. An outer tubular member is slidably disposed about the inner member. The outer member has a proximal portion, a distal portion, and a guide wire opening disposed distal of the proximal portion of the outer member. The guide wire opening of the outer member has a second length that is shorter than the first length and a guide wire ramp extends into, and is movable along the first length. | 08-29-2013 |
20130231752 | ENDOLUMINAL PROSTHESIS WITH ACTUATING MEMBER - A non-expandable endoluminal prosthesis for implantation within a body lumen may include an elongate tubular conduit. The tubular conduit may have a first end segment and a second end segment. A drainage lumen may extend longitudinally within the tubular conduit. An actuating lumen may extend longitudinally within the tubular conduit. The prosthesis may include an actuating member received within the actuating lumen. The endoluminal prosthesis may be movable between a delivery configuration in which the tubular conduit is substantially linear and a deployed configuration in which at least one of the first end segment and the second end segment includes a retaining mechanism configured to retain the prosthesis in place relative to the body lumen. The actuating member may be configured to urge the prosthesis toward the deployed configuration. | 09-05-2013 |
20130231753 | ENDOLUMINAL PROSTHESIS HAVING ANTI-MIGRATION COATING - A prosthesis for placement within a body vessel of a patient may include a tubular frame and a covering material coupled to the tubular frame. The covering material may have an outer surface defining at least a segment of an outer surface of the prosthesis. An anti-migration coating may be applied to at least a portion of the outer surface of the prosthesis. The anti-migration coating may include a mucoadhesive agent. The mucoadhesive agent may include a polymer configured to adhere to a mucous membrane within the body vessel. The anti-migration coating may have a thickness of greater than or equal to about 2 μm in a dry state to promote adhesion to the mucous membrane. | 09-05-2013 |
20130261763 | DEVICES AND METHODS FOR TREATING SLEEP DISORDERED BREATHING - Devices and methods of treating sleep disordered breathing are provided herein. The devices are designed capable of preventing collapse of an oral airway tissue during sleep while maintaining normal velopharyngeal functions. | 10-03-2013 |
20130268086 | Implant Device for Use in Salivary Gland Duct - An implant device for placement within a salivary gland duct having a first end adjacent a parotid gland and a second end adjacent a submandibular gland. The implant device comprises an elongate body having a lumen, and a first and a second plate offset from the proximal end of the elongate body. The first plate is located on one side of the elongate body and the second plate is located on the other side of the elongate body. The first plate includes a first and a second hole operable to suture the first plate to a location adjacent the parotid gland. The second plate includes a first and a second hole operable to suture the second plate to a location adjacent the submandibular gland. | 10-10-2013 |
20130325140 | DEVICE FOR PLACEMENT IN A HOLLOW ORGAN, IN PARTICULAR FOR HOLDING OPEN SAID HOLLOW ORGAN AND METHOD FOR PRODUCING SUCH DEVICE - The device for placement in a hollow organ, in particular for holding open the hollow organ, comprises a placement body ( | 12-05-2013 |
20130325141 | ESOPHAGEAL STENT - Stent embodiments formed of a scaffolding structure are disclosed. Some embodiments may include a valve. A portion of the scaffolding structure may include a lattice structure formed by a plurality of interconnected arms arranged to form quadrilateral-shaped cells, such as diamond-shaped cells. The scaffolding structure may be formed by rows of strut arms arranged as annular segments and adjacent annular segments interconnected by connectors that extend in the longitudinal direction. The scaffolding structure may also be formed by rows of strut arms arranged in a helical pattern. The scaffolding structure has components configured to allow at least a portion of the stent to decrease in diameter in response to an axial force applied to the stent. Further, the components and elements of the stent may be configured to balance transverse forces applied to the stent, thus reducing the incidence of infolding. | 12-05-2013 |
20130338787 | SYSTEMS AND METHODS FOR DEPLOYING A PORTION OF A STENT USING AT LEAST ONE COILED MEMBER - The present embodiments provide systems and methods for deploying at least a portion of a stent. In one embodiment, the system comprises a cannula having an outer surface, and at least one coiled member having proximal and distal ends and a plurality of turns disposed therebetween. One of the proximal and distal ends of the coiled member is secured to the outer surface of the cannula, and the other of the proximal and distal ends of the coiled member is unsecured relative to the outer surface of the cannula. A portion of a stent is looped around the unsecured end of the coiled member and disposed within spacing between adjacent turns of the coiled member. Rotation of the cannula subsequently causes the portion of the stent to disengage from the coiled member. | 12-19-2013 |
20130338788 | SYSTEMS AND METHODS FOR DEPLOYING A PORTION OF A STENT USING AT LEAST ONE COILED MEMBER - The present embodiments provide systems and methods for deploying at least a portion of a stent. In one embodiment, the system comprises a cannula having an outer surface, and a coiled member having proximal and distal ends and a plurality of turns disposed therebetween. At least a portion of the coiled member is secured to the outer surface of the cannula. A stent is releasably secured to a portion of the coiled member. A protective cage may encircle the coiled member. | 12-19-2013 |
20130345824 | TISSUED-ENGINEERED CONSTRUCTS - The present invention provides constructs including a tubular biodegradable polyglycolic acid scaffold, wherein the scaffold may be coated with extracellular matrix proteins and substantially acellular. The constructs can be utilized as an arteriovenous graft, a coronary graft, a peripheral artery bypass conduit, or a urinary conduit. The present invention also provides methods of producing such constructs. | 12-26-2013 |
20140025180 | Anti-Migration Biliary Stent and Method - A stent and a method for implanting the stent are provided. The stent includes a generally tubular body having a lumen defined therethrough. The body includes a proximal portion having a curved portion where the curved portion is configured for placement proximal to a sphincter. The body also includes a substantially straight distal portion having first and second retaining members. The second retaining member is positioned on the distal portion and the first retaining member is positioned proximal to the second retaining member. The first and second retaining members are positioned on a common longitudinal axis extending along a wall of the distal portion and the first and second retaining members extend away from the body in a common direction so that a free end of the first retaining member and a free end of the second retaining member extend away from a distal end of the body. | 01-23-2014 |
20140039639 | Methods and Devices for Conduit Occlusion - The present invention comprises systems, methods and devices for the delivery of compositions for occluding or of means for opening conduits. The implantable occlusive material may be delivered pre-formed or in situ cured and, may be a resorbable material that supports tissue ingrowth that eventually replaces the material leaving little or no original material in place. The delivery system is positioned to allow for placement of the occlusive material into the body conduit. Use of delivery systems, methods and devices for re-opening an occluded body conduit are also included. | 02-06-2014 |
20140081414 | ELECTROSPUN MATERIAL COVERED MEDICAL APPLIANCES AND METHODS OF MANUFACTURE - A medical appliance or prosthesis may comprise one or more layers of electrospun nanofibers, including electrospun polymers. The electrospun material may comprise layers including layers of polytetrafluoroethylene (PTFE). Electrospun nanofiber mats of certain porosities may permit tissue ingrowth into or attachment to the prosthesis. | 03-20-2014 |
20140081415 | MICROVASCULAR ANASTOMOTIC COUPLER AND METHODS OF USING SAME - Disclosed herein are devices and methods for fast and simple generation of an anastomosis. In certain embodiments, the devices and methods involve the deployment of self-expanding stents without the use of a catheter. The devices and methods disclosed herein further utilize a sheath that allows an operator to deploy the stent without the use of an inter-lumen device. | 03-20-2014 |
20140081416 | Duodenal Metabolic Stent - In at least one embodiment, the invention is directed to an endoluminal device comprising a stent and a sleeve. In one embodiment, the endoluminal device is implanted in a portion of the gastrointestinal tract. In some embodiments, the stent has a first region and a second region where the first and second regions provide different levels of radial force. In one embodiment, the first region is made from a plurality of first wires having a first diameter and the second region is made from a plurality of second wires having a second diameter which is smaller than the first diameter. In other embodiments, the endoluminal device has at least one engagement mechanism engaging the stent to the sleeve, the endoluminal device to a body lumen, and any combination thereof. In at least one embodiment, the endoluminal device has a wall with at least one opening therein. | 03-20-2014 |
20140081417 | IMPLANTABLE MEDICAL DEVICES FABRICATED FROM BRANCHED POLYMERS - Stent scaffolds comprising branched biocompatible polymers are disclosed. | 03-20-2014 |
20140114430 | STENT DEVICES MADE OF A LATTICE WITH SMOOTH SHAPE CELLS IMPROVING STENT FATIGUE LIFE - A method for generating a lattice cell shape for a stent comprising generating a unit cell model representing a stent cell to be made of a given material, the unit cell model comprising elements each comprising points defining a G | 04-24-2014 |
20140114431 | MEDICAL STENT - A medical stent comprising a coil formed by winding a wire around an axis, an outer layer formed substantially tubular made from a first resin material, provided on an outer peripheral side of said coil and coaxial to said coil, and an inner layer formed substantially tubular made from a second resin material, provided on an inner peripheral side of said coil and coaxial to said coil. | 04-24-2014 |
20140135941 | Convertible Nephroureteral Catheter - A nephroureteral catheter is provided that comprises a detachable portion such that when the detachable portion is removed, the catheter converts into an internal stent. The catheter includes a tube with two retention features, a detachable portion, and an inner tube. The inner tube is removably insertable into both the tube and the detachable portion, and a wire extends through at least a portion of a lumen of the inner tube and through the tube, to keep the pieces attached. The wire may be removed to remove the inner tube and then the detachable portion from the tube. When the detachable portion is attached to the tube, the catheter is a nephroureteral catheter. When the detachable portion is removed from the tube, the catheter becomes a stent. | 05-15-2014 |
20140156020 | STENT SYSTEM AND METHODS OF USE - A stent system is provided that includes a stent and a migration-prevention bridle extending from the stent and secured to a portion of the body so as to resist or prevent movement of the stent relative to the portion of the body. Methods of use include positioning a stent that includes a one-way valve in an unexpanded orientation in an passageway of a patient, expanding the stent after being located adjacent an esophageal perforation such that the one-way valve controls the flow of material through the esophageal passageway, and extending a migration-prevention bridle into the esophageal passageway and securing it to the stent. A second portion of the migration-prevention bridle is then secured to a body part of the patient to help resist or prevent migration of the stent. Additional methods, systems, stent apparatuses, and a kit including a stent and instructions for the use of same are also provided. | 06-05-2014 |
20140163690 | REPOSITIONABLE ENDOLUMINAL SUPPORT STRUCTURE AND ITS APPLICATIONS - An endo luminal support structure includes strut members interconnected by swivel joints to form a series of linked scissor mechanisms. The structure can be remotely actuated to compress or expand its shape by adjusting the scissor joints within a range of motion. In particular, the support structure can be repositioned within the body lumen or retrieved from the lumen. The support structure can be employed to introduce and support a prosthetic valve within a body lumen. | 06-12-2014 |
20140172114 | STENT DELIVERY SYSTEM AND METHOD USING THE SAME - Disclosed herein is a stent delivery system which includes: a hollow shaft; first and second expandable balloons arranged around of the distal end of the shaft; and a stent which is arranged around the second balloon such that it expands as the second balloon expands; the first balloon having drug release means for releasing a drug at least to prevent the proliferation of endothelial cells, the stent being a bare metal stent to be indwelled at a target position as lesion of stenosis or occlusion in the lumen of a living body. | 06-19-2014 |
20140180433 | STENT WITH ROUGH SURFACE AND ITS MANUFACTURE - A stent is provided wherein at least an outer surface portion is roughened to a predetermined extent and wherein a drug or a therapeutic agent can be applied to said surface. This results in an improved stent, which can be manufactured at low costs and which can further avoid thrombus formation and a stenosis. | 06-26-2014 |
20140188243 | BIODEGRADABLE ENDOPROSTHESES AND METHODS FOR THEIR FABRICATION - The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen. | 07-03-2014 |
20140243992 | MEDICAL DEVICES FOR USE ALONG THE BILIARY AND/OR PANCREATIC TRACT - Medical devices and method for making and using the same are disclosed. An example medical device may include implantable medical device for use along the biliary and/or pancreatic tract. The implantable medical device may include a tubular member having a first end configured to be disposed within the duodenum of a patient and a second end configured to be disposed adjacent to a pancreatic duct and/or bile duct. The tubular member may have a body including one or more wire filaments that are woven together. The tubular member may also have an outer surface with a longitudinal channel formed therein. | 08-28-2014 |
20140257511 | POROUS URETERAL STENT - In some embodiments, a stent includes an elongate member and a distal retention member. The elongate member is configured to be disposed within a ureter of a patient and has a first portion, a second portion and a plurality of beads bonded together. The plurality of beads define a plurality of spaces between the plurality of beads. The plurality of spaces are configured to allow fluid to flow from the first portion of the elongate member to the second portion of the elongate member. The distal retention member is configured to help maintain a portion of the stent within a kidney of the patient. | 09-11-2014 |
20140277560 | STENT HAVING REMOVABLE ANCHORING ELEMENT - A stent comprising a radially expandable elongate tubular support structure, the elongate tubular support structure comprising an inner surface and an outer surface and an anchoring element disposed on at least a portion of the outer surface of the tubular support structure, the anchoring element is separate and removable from the elongate tubular support structure. | 09-18-2014 |
20140277561 | PANCREATIC STENT DRAINAGE SYSTEM - The present invention relates to a medical device, for pancreas, equipped with drainage feature. The medical device includes a stent having an exterior surface, a proximal end and a distal end. The medical device further includes a drainage tube helically wrapped around the stent. The drainage tube includes an external surface, an internal surface, a proximal end, and a distal end. The external surface of the drainage tube is designed with a plurality of holes. The pluralities of holes are connected to the internal surface via a lumen. The plurality of holes can be configured to direct the fluid from side walls of pancreas and bring it out through lumen to avoid occlusion of the side walls in pancreas. | 09-18-2014 |
20140277562 | Anti-Migration Tissue Anchoring System for a Fully Covered Stent - A prosthesis that includes a stent comprising a plurality of circumferential bands, a plurality of linking members, at least one anchor, or a prosthesis that includes a stent comprising at least one anchoring section comprising a first circumferential band, a second circumferential band, and at least one anchor. Optionally, the prosthesis further includes at least one cover. | 09-18-2014 |
20140277563 | ARTICULATED COMMISSURE VALVE STENTS AND METHODS - A support structure includes strut members interconnected by rotatable joints to form a series of linked scissor mechanisms. The structure can be remotely actuated to compress or expand its shape by adjusting the scissor joints within a range of motion. In particular, the support structure can be repositioned within the body lumen or retrieved from the lumen. The support structure can be employed to introduce and support a prosthetic valve within a body lumen. | 09-18-2014 |
20140277564 | STENT DELIVERY SYSTEM - An stent delivery system may include a delivery device and a tubular body having a lumen sized to slidably fit about an outer diameter of the delivery device and a drainage stent having an anchoring mechanism, wherein the delivery device includes a constraining member configured to engage an external portion of the tubular body at the proximal end of the delivery device. A method of delivering a stent may include inserting a tubular body into the port of an endoscope, inserting a stent delivery device and a stent having an anchoring mechanism into the tubular body, wherein the delivery device includes a constraining member configured to engage and retain the tubular body at the proximal end of the delivery device, advancing the drainage stent distally through the tubular body, sliding the tubular body proximally, and engaging an external portion of the tubular body with the constraining member. | 09-18-2014 |
20140277565 | Delivery Device for Partially Unconstrained Endoprosthesis - An delivery device including an inner tube having an inner tube proximal end region and an inner tube distal end region, the inner tube distal end region comprising a first retaining mechanism; a middle tube having a middle tube distal end region and a middle tube proximal end region and defining a middle tube lumen, the inner tube disposed within the middle tube lumen; and an outer tube having an outer tube proximal end region and an outer tube distal end region and defining an outer tube lumen, the middle tube disposed within the outer tube lumen, the outer tube distal end region comprising a second retaining mechanism; wherein the inner tube is structured and arranged to displace proximally and distally relative to the middle tube, and wherein the outer tube is structured and arranged to displace proximally and distally relative to the middle tube. A method of deploying an endoprosthesis is also disclosed. | 09-18-2014 |
20140316534 | STENT - This invention relates to the treatment and diagnosis of abnormalities of the epithelial-lined surface of the esophagus and, in particular, to esophageal stents having a surface coating comprising a photosensitizing agent or a precursor thereof for use in methods of photodynamic treatment (PDT) or photodynamic diagnosis (PDD) of the esophagus. The stents find particular use in methods of diagnosing and/or treating Barrett's esophagus and in diagnostic methods for monitoring the progression of the disease. | 10-23-2014 |
20140343683 | MEDICAL STENT HAVING MOVEMENT PREVENTION MEANS - The present invention provides a medical stent with a stopper which can be inserted into lumens of a human such as the duodenum, the colon, the biliary tract, and the esophagus, and that is useful for lesions due to stricture caused by benign and malignant tumors. | 11-20-2014 |
20140343684 | CATHETER OR STENT DELIVERY SYSTEM - A method for delivering catheters, and stents composed of soft, compliant polymers through anatomical passages. These devices have a bulbous anchorage end with a diameter greater than the rest of the catheter. To facilitate implant and delivery a pusher catheter or sheath with an internal lumen larger than the outer diameter of the catheter but smaller than the outer diameter of the bulbous anchorage end. The distal end of pusher catheter or the sheath physically engages the proximal end of the bulbous anchorage end and applies an axial force to coaxially advance the catheter over a guidewire though anatomical passages. This method allows a physician to move the catheter to an anatomical site without the device exhibiting buckling due to axial force applied. Similarly, this delivery method will allow more force to be applied to the distal end of the catheter diminishing the likelihood of buckling. | 11-20-2014 |
20140358245 | SEGMENTAL URETERAL STENT - Ureteral stents assembled from multiple segments and methods for using the same in body lumens are described. The ureteral stents optionally include multiple segments having different compositions or characteristics, such as radiopacity, stiffness or flexibility, and loading with therapeutic agents. | 12-04-2014 |
20140364959 | STENT PROSTHESIS INTENDED TO BE IMPLANTED IN THE DIGESTIVE TRACT OF A PATIENT - The invention relates to a prosthesis that is compressible and expandable in a radial direction, intended to be implanted in the digestive tract of a patient. According to the invention, such a prosthesis comprises: a downstream conical collar having end diameter D | 12-11-2014 |
20140364960 | NICKEL-FREE IRON ALLOY FOR STENTS - The present invention is directed to a largely nickel-free iron alloy or a nickel-free stainless steel having the following composition: | 12-11-2014 |
20140379092 | BILIARY STENT - The purpose of the present invention is to provide a biliary stent making it possible to sufficiently exhibit a valve function while reducing the entire length of the biliary stent as compared to conventional ones. The present invention is a biliary stent ( | 12-25-2014 |
20150012108 | MULTILAYERED COMPOSITE - In accordance with certain embodiments of the present disclosure, a process for forming a multilayered electrospun composite is provided. The process includes forming a dispersion of polymeric nanofibers, a fiberizing polymer, and a solvent, the dispersion having a viscosity of at least about 50,000 cPs. Nanofibers from the dispersion are electrospun onto a first ePTFE layer. A second ePTFE layer is applied onto the nanofibers to form a composite structure. The composite structure is heated. | 01-08-2015 |
20150018962 | MEDICAL TUBE - A medical tube in which an intermediate layer composed of a composition containing (a), (b), and (c1) listed below and a lubricant layer composed of a composition containing (a), (b), and (c2) listed below are sequentially laminated on a surface of an insertion member to be inserted into a living body: (a) 1 to 35 weight % of at least one of aromatic diisocyanate, aliphatic diisocyanate, and alicyclic diisocyanate; (b) 1 to 35 weight % of trifunctional or higher functionality polyol; (c1) 30 to 98 weight % of polyalkylene glycol and/or monomethoxypolyalkylene glycol; and (c2) 30 to 98 weight % of polyalkylene glycol (including polyalkylene glycol larger in weight-average molecular weight than polyalkylene glycol in (c1)) and/or monomethoxypolyalkylene glycol (including monomethoxypolyalkylene glycol larger in weight-average molecular weight than monomethoxypolyalkylene glycol in (c1)), | 01-15-2015 |
20150039092 | MUCOSAL CAPTURE FIXATION OF MEDICAL DEVICE - A medical device adapted to be fixed in a hollow organ or cavity lined with mucosa includes a wall having an outer surface with a size and shape that is configured to a portion of a cavity or hollow organ lined with mucosa and a fixation mechanism. The fixation mechanism is adapted to fix the wall with the portion of the cavity or hollow organ. The fixation mechanism has at least two adjacent openings in the wall between proximal and distal ends of the wall. The openings being large enough to receive a section of the mucosa extending in the openings when said wall is positioned in the hollow organ or cavity. The openings are separated by a bridge and are close enough together that the mucosa that extends into the openings comes together over the bridge to fix the medical device in the hollow organ or cavity. | 02-05-2015 |
20150051708 | APPARATUS AND METHOD FOR TISSUE ADHESION - An array of a plurality of shape memory material microposts have a proximal end configured to be secured to a substrate with a tissue penetrating distal end. The microposts further have a deployment state with the microposts in a substantially straightened configuration with a substantially smooth and continuous outer surface which is substantially parallel to adjacent microposts and an engaged state wherein at least a section of the microposts assume a configuration that is not substantially parallel to adjacent microposts or is not substantially straight with a substantially smooth and continuous outer surface so as to mechanically capture tissue adjacent thereto | 02-19-2015 |
20150081032 | DEVICE FOR MAINTAINING PATENT PARANASAL SINUS OSTIA - There is disclosed a method for maintaining a patent paranasal sinus ostium. In an embodiment, the method includes delivering a tubular element in an insertion state to the sinus ostium. The tubular element includes a proximal end, a distal end, and a center region between the proximal end and distal end. The method includes expanding the tubular element from the insertion state to a deployment state when located in the sinus ostium. In the deployment state, the center region confronts the sinus ostium with an outward radial force. | 03-19-2015 |
20150094821 | CATHETER FOR FORMING BIOLOGICAL TISSUE HOLDING MEMBER | 04-02-2015 |
20150100133 | IMPLANTED SYSTEM FOR TREATING SINUSITIS OR ALLERGIC RHINITIS - An implanted system for treating sinusitis or allergic rhinitis is provided, wherein the implanted system has a circumferentially extending wall formed of a biodegradable polymer, and the wall includes a plurality of interspaces, with biodegradable fiber bundles containing drugs interspersed in the interspaces. The implanted system formed of the biodegradable polymer can provide a sufficient normal force perpendicular to the external surface during a compression, and prevent the supported channel from being closed after the release in a location for the implantation (a location of pathological changes or ostium of the sinus). The implanted system formed of the biodegradable polymer has an axial internal bore to guarantee the aeration for the nasal cavity after the implantation. The implanted system formed of the biodegradable polymer can be naturally degraded in the nasal cavity. Compared with prior stents which cannot directly contact with certain locations of pathological changes, the biodegradable fiber bundles containing drugs carried on the implanted system can reach those locations of pathological changes to optimize the therapeutic effect. | 04-09-2015 |
20150127115 | OPEN LUMEN STENT - A stent according to an embodiment of the invention includes an elongate body having a proximal end portion and a distal end portion. The elongate body defines a lumen and an opening in communication with the lumen between the proximal end portion and the distal end portion configured to enable the flow of fluid therethrough. The lumen is configured to have a diameter wherein the opening has a width greater than half the size of the diameter and less than the diameter of the lumen. The opening has a length at least twice the width of opening. In some embodiments, the opening is configured to laterally receive a guidewire therethrough. The elongate body can be configured to releasably couple the guidewire within the lumen of the elongate body such that the elongate body can be slidably moved along the guidewire. | 05-07-2015 |
20150134073 | URETERAL STENTS WITH WAVEFORM INTERLAYERS AND INTERSTITCHING - Ureteral stents include a tubular body defining a lumen and have a distal kidney section, a proximal bladder section, and a ureter section between the distal and proximal sections. The tubular body has a first material layer and a stiffening member that extends through at least a portion of a length of the tubular body. The stiffening member has a stiffness characteristic that varies along its length. This enables different portions of the stent to have different stiffness characteristics that preferably are optimized for the location of those portions within the human body. The stiffening member may be at least a second material layer having a second stiffness that is different from a first stiffness of the first material layer, and/or at least one strand of material that is embedded within the first material layer. | 05-14-2015 |
20150134074 | ENDOLUMINAL DEVICE - The present invention relates to an endoluminal device for implantation in a body lumen, such as a pancreatic duct. The device is provided with a distal end region having greater flexibility than that of a medial region of the device. | 05-14-2015 |
20150290000 | MAGNETICALLY EXPANDABLE MEDICAL DEVICE - An implantable medical device includes a body member, which may be a graft tube, is provided with a plurality of magnetic elements disposed in opposing sets and arranged with opposing magnetic polarities. The magnetic elements create repulsive forces which open the implantable medical device, providing an alternative to a conventional implantable medical device which is kept open by mechanical forces. | 10-15-2015 |
20150290003 | STENT - The disclosed stent comprises at least two support portions and at least one connecting portion which follow one another in the longitudinal direction of the stent. Each support portion has multiple openings in the wall of the tubular body and border elements which are formed by the tubular body and which surround the openings and together with said openings form support portion cells in the expanded state. Two support portions which are adjacent to each other in the longitudinal direction are connected via a connecting portion lying between said support portions, and each of the mutually facing end faces of the adjacent support portions are formed by a row of end-face cells of the respective support portion. The connecting portion comprises connecting elements which are formed by the tubular body and which connect the mutually facing end faces of the two adjacent support portions. | 10-15-2015 |
20150297377 | STENT - A stent comprises a plurality of undulating circumferential portions, each circumferential portion comprising alternating peaks and valleys; and a plurality of longitudinally extending portions connecting the plurality of undulating circumferential portions. Each of the plurality of longitudinally extending portions contains a first longitudinally extending strut and a second longitudinally extending strut circumferentially offset with respect to the first longitudinally extending strut. The first longitudinally extending strut and the second longitudinally extending strut are interconnected by a connecting portion. Circumferentially adjacent first longitudinally extending struts in a pair of circumferentially adjacent longitudinally extending portions are circumferentially spaced at a first distance and circumferentially adjacent second longitudinally extending struts in the pair of circumferentially adjacent longitudinally extending portions are circumferentially spaced at a second distance. The first distance is greater than the second distance. The present stent has a very desirable balance of conformability and flexibility while obviating or mitigating crashing, out of tubular configuration and other problems (as discussed herein). | 10-22-2015 |
20150342770 | CATHETER WITH RADIOFREQUENCY CUTTING TIP AND HEATED BALLOON - Methods for draining pseudocysts and stent delivery systems for use therein are disclosed. An illustrative system may include a catheter shaft having an inflatable balloon affixed to a distal end region thereof. A cutting electrode may be disposed at the distal end of the system and at least one heating electrode may be disposed within the inflatable balloon. A self expandable stent may be disposed about the inflatable balloon. The stent may be formed of a shape memory polymer. The inflation fluid may be heated within the balloon to facilitate expansion of the stent. | 12-03-2015 |
20160000550 | METHODS FOR TREATING DISEASES OF THE COLON - Methods for treating diseases of the rectum or colon are provided. The methods can comprise accessing the rectal mucosa through a trans-anal approach; performing a mucosectomy to remove mucosal tissue from at least a portion of the rectal or colonic wall; and securing a flexible scaffold material to a region of the rectal or colonic wall from which mucosa has been removed, wherein the scaffold material is selected to facilitate cellular ingrowth and formation of new mucosal tissue. | 01-07-2016 |
20160000551 | METHOD AND DEVICES FOR TISSUE EXPANSION - A device for maintaining or achieving soft tissue expansion applicable to any body region already temporarily expanded including: an adhesive element deformable and capable of adapting to the shape of this body region, and which can then itself become mechanically rigid enough to resist tendency of the expanded tissue to recoil or to which a second material can be applied to form a stent adapted to the shape of the body area to provide the necessary structural rigidity to prevent recoil of the expansion and thereby induce its retention of its expanded shape after the stent is removed. | 01-07-2016 |
20160015431 | SYSTEMS AND METHODS FOR REDUCING PRESSURE WITHIN A SPINAL DISC - Systems and methods for reducing pressure within a spinal disc are described. In accordance with one implementation, a spinal disc system comprises an aperture within a spinal disc body, and the aperture is configured to permit nucleus pulposus to flow from the disc body through the aperture. In accordance with another implementation, a method of reducing pressure within a spinal disc comprises forming an aperture within a spinal disc body, and permitting at least a portion of the nucleus pulposus to flow from the disc body through the aperture. | 01-21-2016 |
20160015509 | IMPLANTABLE STENT - The invention is a stent designed for indwelling in a body, where its purpose would be to assist in the drainage of liquid from one part of the body to another. The stent is composed of a material that would typically be coiled to form a cylindrical shape along the length of the stent. Each end of the stent would typically be shaped to form a looped pigtail to prevent migration in the vessel. The stent can be used for minimally invasive procedures or alternatively, it could be placed percutaneously. This stent could be used in various parts of the body, such as the ureter, urethra, bile duct, liver, pancreas, vascular system and neurovascular system. | 01-21-2016 |
20160045301 | IMPLANT DEVICE FOR USE IN SALIVARY GLAND DUCT - An implant device having a proximal end and a distal end, and a suturing fixture offset from the proximal end. The suturing fixture has a profile that extends from the surface of the elongate body. For example, the suturing fixture may have the shape of a cone, or the shape of a disc. The implant device may be used for placement within a salivary gland duct. | 02-18-2016 |
20160058545 | Anti-Leakage Prosthesis - A prosthesis and a method for directing flow through a passageway formed between a first bodily lumen and a second bodily lumen are provided. The prosthesis includes a body having a proximal portion, a distal portion and a lumen extending therethrough. The prosthesis also includes a sleeve operably connected to the body at a connected portion. The sleeve has a proximal portion, a distal portion, and a sleeve lumen extending therethrough. At least a portion of the body is positioned within at least a portion of the sleeve lumen and the distal portion of the sleeve is free from connection to the distal portion of the body and extendable away from the body to contact a wall of the first bodily lumen. The sleeve is configured to allow fluid flow through the sleeve lumen from the first bodily lumen to the second bodily lumen. | 03-03-2016 |
20160074149 | STENT TO BE PLACED IN BILE DUCT AND PROCESS FOR PRODUCING SAME - Provided are a stent to be placed in the bile duct and a process for producing the stent, the stent hollow being less apt to be blocked even when the stent is placed in the bile duct for a long period. The inner peripheral surface of the stent is coated with a resin layer with resistance to sludge formation that includes a polymer obtained by polymerizing 2-methoxyethyl acrylate. This stent is produced by applying a coating fluid that contains 0.1-0.5 mass % polymer obtained by polymerizing 2-methoxyethyl acrylate, to the inner peripheral surface of a stent. | 03-17-2016 |
20160081826 | IMPLANTABLE MEDICAL DEVICE WITH SHAPE MEMORY POLYMER FILTER LAYER - Implantable medical devices and method for making and using implantable medical devices are disclosed. An example implantable medical device may include a tubular body having a plurality of openings formed therein. A filter layer may be disposed along an outer surface of the tubular body. The filter layer may include a shape memory material. The filter layer may be capable of allowing fluids to pass therethrough and may be resistant to tissue ingrowth. | 03-24-2016 |
20160089229 | URETERAL STENTS WITH WAVEFORM INTERLAYERS AND INTERSTITCHING - Ureteral stents include a tubular body defining a lumen and have a distal kidney section, a proximal bladder section, and a ureter section between the distal and proximal sections. The tubular body has a first material layer and a stiffening member that extends through at least a portion of a length of the tubular body. The stiffening member has a stiffness characteristic that varies along its length. This enables different portions of the stent to have different stiffness characteristics that preferably are optimized for the location of those portions within the human body. The stiffening member may be at least a second material layer having a second stiffness that is different from a first stiffness of the first material layer, and/or at least one strand of material that is embedded within the first material layer. | 03-31-2016 |
20160095724 | CONTROLLED INGROWTH FEATURE FOR ANTIMIGRATION - A tubular prosthesis that includes a scaffolding formed by at least one scaffolding filament; a cover; and at least one controlled ingrowth feature constructed and arranged to abut an inner surface of a lumen wall when the prosthesis is implanted in the body lumen. The controlled ingrowth feature may extend inwards or outwards from the prosthesis outer surface. The controlled ingrowth feature may be formed by a scaffolding filament; by a separate filament; by the cover; and combinations thereof. | 04-07-2016 |
20160100929 | ESOPHAGEAL SLEEVE - A device for treating acid reflux comprising a sleeve configured and dimensioned for insertion into the esophagus of the patient, the sleeve having a proximal portion, a distal portion and an intermediate portion between the distal and proximal portions. The sleeve includes a an inner member applying a radial force on the sleeve for securement within the esophagus, and a skirt connected to the sleeve to block acid backup from the stomach while not inhibiting passage of food into the stomach. | 04-14-2016 |
20160100930 | PANCREATIC STENT WITH DRAINAGE FEATURE - A pancreatic stent includes a main body convertible between a compressed configuration for delivery and an expanded configuration once deployed, the main body including an inner surface defining a stent lumen and an outer surface. A plurality of drainage features are formed within the outer surface of the main body, the plurality of drainage features permitting placement of the pancreatic stent within a patient's pancreas without blocking side branches of the pancreas. | 04-14-2016 |
20160100962 | MEDICAL STENT - A medical stent is provided including a longitudinal member which has an internal space and a side opening that communicates with the internal space; a flap portion which has an extension portion that extends radially outward from a side surface of the longitudinal member and a fixed portion that is fixed to the longitudinal member, being continuous with the extension portion, and is transformable between an open state in which the extension portion radially extends from the side surface and a closed state in which the extension portion extends along a longitudinal axis of the longitudinal member; and a flap radial-expansion prevention portion which prevents a transformation of the flap portion from the closed state to the open state by the flap portion being engaged with an insertion member that extends from the flap portion to the internal space through the side opening and is arranged in the internal space. | 04-14-2016 |
20160113787 | ELONGATE MEDICAL DEVICE - An elongate medical device is provided. The device includes an elongate member defining a lumen through proximal, central, and distal portions. The central portion of the elongate member is defined from a plurality of closely aligned coils that establish the lumen within the central portion. The central portion further comprises a jacket disposed around a majority of an outer circumference of the plurality of coils, the jacket defining opposing first and second longitudinal edges that extend along the length of the central portion, and an elongate gap between opposing first and second longitudinal edges exposing portions of each of the plurality of coils aligned therewith, wherein the elongate gap allows for fluid communication from within or into the lumen through spaces between neighboring coils and through the elongate gap. | 04-28-2016 |
20160120675 | RAPID EXCHANGE STENT DELIVERY SYSTEM - Stent delivery systems and methods for making and using stent delivery systems are disclosed. An example stent delivery system may include a guide member having a proximal portion and a distal portion. A stent may be disposed about the distal portion of the guide member. The stent may have a wall having an opening formed therein. A pusher member may be disposed about the guide member and positioned proximal of the stent. A holding filament may be disposed at the opening and may extend to the proximal portion of the guide member. The holding filament may be configured to releasably secure the position of the stent relative to the pusher member. The holding filament may be releasable from the stent independently of movement of the guide member. | 05-05-2016 |
20160128824 | STENT - A stent includes a major axis member which has an internal space extending from a front end portion toward a base end portion, first opening section provided at the front end portion to communicate with the internal space, and second opening section provided at the base end portion to communicate with the internal space, and inflow prevention section which has an inflow prevention surface covering the second opening section with a gap with respect to the second opening section, wherein a first edge section of the inflow prevention surface is fixed to the major axis member closer to a base end than the second opening section, and a second edge section of the inflow prevention surface is disposed closer to a front end than the second opening section and extends from a side surface of the major axis member toward a position spaced apart therefrom outward in a radial direction. | 05-12-2016 |
20160128850 | DRUG-ELUTING MEDICAL IMPLANTS - Disclosed are self-expanding medical implants for placement within a lumen of a patient. The implants comprise a woven or non-woven structure having a substantially tubular configuration, and are designed to be low-profile such that they are deliverable with a small diameter catheter. The implants have a high recoverability and desired mechanical properties. | 05-12-2016 |
20160135941 | BILIARY STENTS AND METHODS - A tissue lumen stent is provided with a body having an elongated tubular configuration and a foreshortened configuration. In the foreshortened configuration, downstream and upstream ends of the body expand radially into downstream and upstream flange structures, leaving a generally cylindrical saddle region therebetween. In some embodiments, the flange structures are non-symmetrical with respect to one another. Systems and methods of using the stents are also disclosed. | 05-19-2016 |
20160143753 | DEVICE FOR MAINTAINING PATENT PARANASAL SINUS OSTIA - There is disclosed a method for maintaining a patent paranasal sinus ostium. In an embodiment, the method includes delivering a tubular element in an insertion state to the sinus ostium. The tubular element includes a proximal end, a distal end, and a center region between the proximal end and distal end. The method includes expanding the tubular element from the insertion state to a deployment state when located in the sinus ostium. In the deployment state, the center region confronts the sinus ostium with an outward radial force. | 05-26-2016 |
20160151146 | STENT HAVING REMOVABLE ANCHORING ELEMENT | 06-02-2016 |
20160151179 | STENT SPACER | 06-02-2016 |
20160157987 | DELIVERY METHOD FOR BIODEGRADABLE STENTS - Provided are methods, systems, and kits of properly delivering a biodegradable stent into a body lumen of a subject. More particularly, provided are methods, systems, and kits of properly delivering a biodegradable ureteral stent into the kidney and the bladder of a subject. Even more particularly, provided are methods, systems, and kits of properly delivering a chitosan based stent into a body lumen of a subject. Even more particularly, provided are methods, systems, and kits of properly delivering a chitosan based ureteral stent into the kidney and the bladder of a subject. | 06-09-2016 |
20160158037 | BIODEGRADABLE DOUBLE STENT - A biodegradable double stent is used for various organs such as a biliary tract, an esophagus, an airway and a ureter. A biodegradable stent having a hollow cylindrical body woven out of a separate wire made of biodegradable polymer so as to have a plurality of rhombic spaces is fixed to an intermediate portion of a primary stent having a cylindrical body. When administered into the organ, the biodegradable stent has its original function of expanding the organ, and is firmly supported in the inner wall of a narrowed passage of the organ by pressurizing the inner wall of the narrowed passage of the organ. After a predetermined time period has elapsed, the biodegradable stent is gradually degraded away by bodily fluids, thereby enabling the primary stent to be easily removed from the organ. | 06-09-2016 |
20160158040 | INFLATABLE BALLOON STENT - An illustrative stent may comprise an elongated tubular balloon having a first end and a second end and an intermediate region disposed therebetween. The elongated tubular balloon may have an inner wall and an outer wall, the inner wall and the outer wall connected at the first end and the second end to define an enclosed inflation chamber between the inner wall and the outer wall. The stent may further include an inflation valve. | 06-09-2016 |
20160158047 | TWO PRONGED HANDLE - Medical device delivery systems and methods of using the same are disclosed. Some of the delivery systems may include a catheter having a proximal end, a distal end, and a sheath. A bifurcated gripping member may be disposed on the proximal end of the catheter and the bifurcated gripping member may include a first gripping prong and a second gripping prong. A deployable prosthesis may be disposed on the distal end of the catheter. | 06-09-2016 |
20160166412 | STRUCTURAL HYDROGEL POLYMER DEVICE | 06-16-2016 |
20160166415 | SHORT SHEATH DELIVERY SYSTEM FOR BILIARY METAL STENT VIA ENDOSCOPE | 06-16-2016 |
20160175122 | STENT WITH ANTI-MIGRATION FEATURES | 06-23-2016 |
20160175123 | MEDICAL DEVICES FOR USE ALONG THE BILIARY AND/OR PANCREATIC TRACT | 06-23-2016 |
20160175124 | STENT RETRIEVAL MEMBER AND DEVICES AND METHODS FOR RETRIEVING OR REPOSITIONING A STENT | 06-23-2016 |
20160175125 | INTEGRATED STENT REPOSITIONING AND RETRIEVAL LOOP | 06-23-2016 |
20160175126 | ENDOLUMINAL DEVICE | 06-23-2016 |
20170231746 | BRAIDED STENT AND METHOD OF MANUFACTURING A BRAIDED STENT | 08-17-2017 |