Patent application number | Description | Published |
20080228139 | Angioplasty Balloon With Concealed Wires - A balloon catheter having wires situated between an outer layer and a surface of a balloon is described. Each wire may be confined within an interior space of a pocket or encapsulated within a sheath. The pocket includes the outer layer and the balloon surface. The outer layer and balloon surface are unattached to allow the wire to slidably fit between therewithin. The pocket is selectively bonded to the balloon. The sheath includes a preformed shape that completely circumscribes the wire along the longitudinal and radial directions of the wire. The confined and encapsulated feature of the wires enable the wires to be atraumatic and remain spaced apart during treatment of calcification of a lesion. | 09-18-2008 |
20090018638 | Minimally invasive medical device and method for delivery of therapeutic or diagnostic agents into a vessel wall - The invention relates to minimally invasive device for delivering therapeutic or diagnostic agents into a vessel wall. The device includes an introducer tube, a tubular member having a proximal end, a distal end, and a first lumen extending therebetween, the tubular member being slidably disposed within the introducer tube; a plurality of hollow delivery struts, each delivery strut adapted to pierce through inner most layers of the vessel wall and each comprising at least one exit port and at least one stopper to prevent the delivery strut from piercing through the outer most layers of the vessel wall. The delivery struts are disposed on the distal end of the tubular member and are in fluid communication with the first lumen. The invention also relates to methods of delivering the device of this invention and methods of treating conditions or diseases of body lumens. | 01-15-2009 |
20090054824 | MULTI-LUMEN CATHETER ASSEMBLY - A multi-lumen catheter assembly for use in the extracorporeal treatment of a body fluid of a patient. The catheter assembly includes an elongated catheter body having a pair of lumens extending therethrough, and a septum separating the lumens. The catheter body has an aspiration port in communication with a first lumen for transporting fluid withdrawn from a body vessel to a treatment unit, and an infusion port in communication with a second lumen for return of treated fluid to the vessel. The infusion port is positioned distal of the aspiration port along a length of the catheter body. A flexible member is provided, wherein the flexible member has an end receivable in the first lumen and another end engaged with the catheter body distal of the aspiration port. The flexible member is structured and arranged to maintain a spacing between the aspiration port and a wall of the vessel. | 02-26-2009 |
20090054825 | WINGED CATHETER ASSEMBLY - A catheter assembly for use in extracorporeal treatment of a body fluid comprises a catheter body having a plurality of lumens extending therein. The catheter body has an aspiration port in communication with a first lumen for transporting fluid withdrawn from a body vessel to a treatment instrument, such as a dialyzer, and an infusion port in communication with a second lumen for return of treated fluid to the vessel. The catheter body includes a wing-like flap portion extending radially from the catheter body and defining the aspiration port. The flap portion is configured and arranged to space the aspiration port from a wall of the body vessel. | 02-26-2009 |
20090076435 | Catheter Assembly - A catheter assembly is provided with a flexible tubular body having two lumens. A solid slidable member with a sharp distal end is disposed within one of the lumens. The slidable member is capable of sliding within the lumen of the tubular body between an exposed position in which the sharp distal end of the slidable member protrudes from the distal end of the tubular body and a shielded position in which the distal end of the slidable member is within the tubular body. One advantage is that the sharp distal end of the slidable member may be withdrawn into the tubular body in order to shield a patient from unintentional cutting or irritation from the sharp distal end of the slidable member. | 03-19-2009 |
20090093829 | Chronic total occlusion (CTO) removal device - There is disclosed a device for removing chronic total occlusions (CTO) from blood vessels or other body lumens. In one embodiment the device has a loop at a distal end connected by a shaft to a proximal end. The shaft is provided inside a catheter that has an opening at the distal end and a handle at the proximal end. By manipulating the position of the loop relative to the opening, the effective stiffness of the loop may be changed. This allows a physician to vary the loop stiffness so as to be appropriate with regard to the toughness of a CTO (some CTOs have a relatively tough exterior but a relatively soft interior). The loop may have a single turn or may comprise two or more turns. | 04-09-2009 |
20090113693 | APPARATUS AND METHOD FOR COMPRESSING A STENT - An apparatus for compressing a stent includes a flexible sheet having a first portion curved over toward a second portion of the sheet, such that the sheet includes a generally cylindrical opening. A compression wedge and a curved surface of a platen sandwich at least the second portion of the sheet, and the compression wedge is adjacent to the generally cylindrical opening. A size of the generally cylindrical opening is changed by relative curvilinear motion of the compression wedge and the platen. | 05-07-2009 |
20090125031 | METHOD AND BONE CEMENT SUBSTITUTE KIT FOR STABILIZING A COLLAPSED VERTEBRA OF A PATIENT - In at least one embodiment of the present invention, a method for stabilizing a collapsed vertebra of a patient is provided. The method comprises introducing a supercooled liquid into the collapsed vertebra. A solid structure that supports the collapsed vertebra is then form by solidifying the supercooled liquid. | 05-14-2009 |
20090143857 | TAPERED LOADING SYSTEM FOR IMPLANTABLE MEDICAL DEVICES - Loading systems for compressing and loading an implantable medical device into a device chamber of a medical device delivery system are described. The loading systems include an elongate holding chamber within which the intraluminal medical device is disposed. A plunger has one or more attached pushers adapted to axially advance the intraluminal medical device through an intermediate portion of the holding chamber that has a tapered surface, which compresses the intraluminal medical device over a dilator of a medical device delivery system that has been introduced through the distal end of the elongate holding chamber. The elongate holding chamber can be placed within an outer storage container with an appropriate seal to for storage of the intraluminal medical device within the loading system. Methods of preparing an intraluminal medical device for implantation in a patient and kits useful in such methods are also described. | 06-04-2009 |
20090157085 | DEVICE AND METHOD FOR INTRODUCING A BONE CEMENT MIXTURE INTO A DAMAGED BONE - In at least one embodiment of the present invention, a device for introducing a bone cement mixture into a damaged bone of a patient is provided. The device comprises a needle including a cannula and a tip portion extending therefrom. A lumen is formed through the cannula and the cannula has a distal portion. The lumen is for advancing the bone cement mixture to the distal portion. The distal portion has an open distal end and a side aperture formed through the distal portion. Attached to the distal portion of the cannula is the tip portion. The tip portion is configured for piercing the damaged bone to define a bone opening and to direct advancement of the bone cement mixture towards the side aperture while preventing advancement of the bone cement mixture through the distal end of the distal portion of the cannula. | 06-18-2009 |
20090162585 | JEJUNAL FEEDING TUBE - The present invention provides a method of manufacturing a flexible tube. The method includes the steps of providing a source of material to be extruded and forming a tubular member with an extrusion die. The extrusion die includes a radially and outwardly extending tooth configured to define a protrusion upon the outer surface of the tubular member. The method further includes the step of rotating the tubular member after exiting the extrusion die such that the protrusion forms a helical profile along the length of the tubular member. | 06-25-2009 |
20090171284 | DILATION SYSTEM - A dilation system and method of use thereof are provided that may be used to dilate hardened regions of a stenosis. The dilation system is provided with dilation elements that extend between a catheter and a distal tip to form a cage-like structure. The inner passageway of the cage-like structure is sized to receive a balloon catheter. During a procedure, the balloon catheter may be introduced into the cage. Inflation of the balloon causes the dilation elements to radially move outward and contact a stenosed region. After dilation of the stenosed region, the balloon catheter may be withdrawn. | 07-02-2009 |
20090171361 | APPARATUS AND METHOD FOR MIXING AND DISPENSING A BONE CEMENT MIXTURE - Among other things, an apparatus for mixing and dispensing a bone cement mixture are provided. In certain embodiments, the apparatus includes a housing having a first chamber for containing an ampoule having a first bone cement component. The housing has a second chamber for containing a second bone cement component and the first and second chambers are in fluid communication. An ampoule breaking device is disposed within the first chamber and is configured to engage and break the ampoule for release of the first bone cement component. Disposed within the second chamber is an impeller that is configured to rotate such that the impeller mixes the first and second bone cement components together to form the bone cement mixture. Adjacent the impeller is a displacer that is configured to advance through the second chamber, receiving the impeller and dispensing the bone cement mixture. | 07-02-2009 |
20090171427 | SEQUENTIAL IMPLANT DELIVERY SYSTEM - A method and device includes advancing a first stent and a second stent into a stenosed region of a blood vessel to protect or shield the vessel from possible blockage. The delivery device may include placement rings, selectively engagable by positioning members disposed on the outer wall of in inner catheter. The positioning members and the placement rings may be utilized to accurately place multiple stents within an afflicted vessel, in a single invasive procedure. | 07-02-2009 |
20090171433 | CONTROL HANDLE - A delivery device for deploying an expandable prosthesis and method of use thereof are described. The delivery device comprises a handle that comprises a trigger. Activation of the trigger enables incremental retraction of the outer sheath to expose a self-expanding prosthesis. Activation and subsequent deactivation of the trigger causes a movable member to ratchedly engage with a stationary rack and a trigger rack. | 07-02-2009 |
20090187241 | VALVE FRAME - The disclosure relates to frames suitable for prosthetic implantable valves, and methods of treatment with such frames, to regulate blood flow and to be compliant in percutaneous delivery and, upon implantation, configured to conform to the changing shape of the body vessel or vein. The frames include at least one anchoring member attached to a support member at one or more attachments, and a valve member, preferably a monocuspid valve leaflet, attached to the support member. Preferred frames include two anchoring members with the support member in between the anchoring members. The support member preferably has a semielliptical shape and extends diagonally to sealingly contact the wall of the body vessel. | 07-23-2009 |
20090198243 | DEVICE AND METHOD FOR STABILIZING A DAMAGED BONE WITH A BONE CEMENT MIXTURE - In at least one embodiment, a device for introducing a bone cement mixture into a damaged bone of a patient is provided. The device comprises a needle including a proximal portion and a distal portion extending therefrom. An aperture is formed through the distal portion and the distal portion is configured for piercing into the damaged bone. A lumen is formed through the proximal and distal portions and is for advancing the bone cement mixture to the aperture to introduce the bone cement mixture into the damaged bone. The proximal and distal portions are configured for detaching the distal portion from the proximal portion to retain the distal portion within the damaged bone. | 08-06-2009 |
20090247985 | EMBOLIC PARTICLE MIXING SYRINGE - A syringe device for agitating and delivering a liquid medication to a patient is provided. The device includes an injecting member, a first syringe, a second syringe and an accumulator. The first syringe is configured to provide the liquid medication to the device. The second syringe is configured to receive the liquid medication from the first syringe. The accumulator is biased to an empty position and cooperates with the second syringe to agitate the liquid medication back and forth between the second syringe and the accumulator. The second syringe is configured to move the liquid medication to the injecting member for patient delivery. | 10-01-2009 |
20090299456 | Delivery system with helical shaft - A delivery system is provided for releasing a medical device within a body cavity. The delivery system may be used in an intravascular procedure to implant a self-expandable stent. A helical structure on the shaft of the delivery system engages the inner surface of the stent. As a result, the stent may be released by rotating the shaft relative to the stent which pushes the stent forward from the distal end of the shaft. | 12-03-2009 |
20090318897 | GASTROJEJUNAL FEEDING ASSEMBLY - An assembly for delivering nutritional products to the jejunum of a patient through a stoma formed through the abdominal wall and the stomach wall. A first tubular member is alignable such that the proximal end communicates with an area exterior of the patient, and the distal end is disposed within an interior space of the stomach of the patient. At least a portion of the distal end within the stomach interior space is configured for maintaining the stomach wall in apposition with the abdominal wall. A second tubular member is alignable such that the proximal end communicates with an area exterior of the patient, and the distal end extends into the jejunum of the patient. A hub positioned in the stoma has a first opening communicating with the first tubular member, and a second opening communicating with the second tubular member. Respective closure members may be provided for selectively sealing the first and second openings. | 12-24-2009 |
20100010533 | VARIABLE STRENGTH EMBOLIZATION COIL - An occluding device having variable stiffness for occluding fluid flow through a lumen of a body vessel. The device comprises a wire having a first end and a second end. The wire is formed with a tapered diameter defined by a continuously decreasing diameter from the first end to the second end. The tapered wire is wound into a primary coil having a primary shape. The primary coil may then be wound into a secondary shape or received within a secondary coil which conforms to the primary shape of the primary coil. The tapered diameter provides the device with a continuously decreasing stiffness from a first end to a second end. | 01-14-2010 |
20100057000 | MALECOT WITH TEXTILE COVER - A malecot device includes a textile material covering its deployable malecot wing portion. The textile material is woven in a manner allowing it to be compactly disposed around an undeployed malecot and then expanded to cover malecot wings when those wings are deployed to an expanded outer device diameter. | 03-04-2010 |
20100057185 | Sliding Split-Sleeve Implant Compressor - A system and method for loading an endoprosthesis, such as a stent or valve, into an introducer is provided that permits interventionalists to load the endoprosthesis easily at the bedside. The system can include a compressor for compressing the endoprosthesis to a cross-sectional area less than the cross-sectional area of the introducer lumen. The compressor has a funnel portion at one end where the un-compressed endoprosthesis can be introduced and another end where the introducer and sleeves of a split sleeve device are inserted. The sleeves conform to the compressor passage and surround the endoprosthesis to collapse the endoprosthesis. The split sleeve device also includes a mounting device coupled to the sleeves. The endoprosthesis is compressed and loaded into the introducer by the relative movement of the mounting device and the compressor, where the endoprosthesis remains generally stationary while being compressed and loaded in order to avoid potentially compromising the endoprosthesis. | 03-04-2010 |
20100076543 | Multi-strand helical stent - A stent including a stent wire comprising a plurality of filaments twisted into a bundle having a helix, the stent wire bent into a pattern having a plurality of substantially straight wire sections separated by a plurality of bends. The pattern of the stent wire is spirally wound about a central axis in the same direction as the helix formed by the plurality of filaments. Each of the filaments in a bend have a cylindrical cross-section where at least one of the plurality of filaments is displaced and spaced from an immediately adjacent filament in the bend. | 03-25-2010 |
20100161033 | GRADUALLY SELF-EXPANDING STENT - A gradually self-expanding stent includes a first plurality of stent cells including a first plurality of circumferentially adjacent structural members in mechanical communication with each other. The stent also includes a second plurality of stent cells including a second plurality of circumferentially adjacent structural members in mechanical communication with each other. The circumferentially adjacent structural members of the first and second plurality of stent cells have a compressed configuration and an expanded configuration. A restraining material is attached to each of the circumferentially adjacent structural members defining each of the second plurality of stent cells such that it substantially covers an entirety of each of the second plurality of stent cells in the compressed configuration. Over time, the restraining material releases the structural members defining each of the second plurality of stent cells, thereby allowing the second plurality of stent cells to assume the expanded configuration. | 06-24-2010 |
20100174364 | IMPLANTABLE VALVE PROSTHESIS WITH INDEPENDENT FRAME ELEMENTS - An implantable valve prosthesis is provided. The valve prosthesis includes a frame structure having first and second independent frame elements. A graft member is attached to both the first and second frame elements and includes a closure member, such as a valve leaflet. The closure member is movable between a first position that allows fluid flow through the prosthesis in a first, antegrade direction and a second position that restricts flow through the prosthesis in a second, retrograde direction. | 07-08-2010 |
20100198333 | PREFORM FOR AND AN ENDOLUMINAL PROSTHESIS - An endoluminal prosthesis may include a tubular graft extending in a longitudinal direction, where the graft has an inner surface forming a lumen extending a length of the graft. An elongate member may be attached to the graft in a circumferentially and longitudinally extending manner such that the elongate member forms a series of longitudinally spaced apart turns, each turn extending substantially around a circumference of the graft. The elongate member may torsion the graft in at least the circumferential direction and cause the graft to form circumferentially and longitudinally extending folds in the portions of the graft disposed between longitudinally adjacent turns of the elongate member. | 08-05-2010 |
20100204655 | HEMOSTASIS VALVE SYSTEM - A hemostasis valve system for controlling a flow of fluid includes a housing having a chamber therein, and a valve disposed in the chamber. The valve comprises a plurality of elastomeric valve members, each having opposing shaped first and second faces, a shaped inner edge portion, and a shaped outer edge portion. The valve members are collectively structured and arranged in the valve such that the shaped faces and the shaped inner edges are engaged in interlocking relationship. The valve members have sufficient elasticity to define a yieldable opening along the engaged inner edge portions upon passage therethrough of a medical interventional device. | 08-12-2010 |
20100318068 | WIRE GUIDE HAVING DISTAL COUPLING TIP FOR ATTACHMENT TO A PREVIOUSLY INTRODUCED WIRE GUIDE - A coupling wire guide structured to be slidably coupled to a previously introduced wire guide. The coupling wire guide generally includes a main body having a distal end and a coupling tip connection to the distal end. The coupling tip includes a coupling portion defining a coupling passageway having a proximal port and a distal port. A slot is formed in the coupling tip and is in communication with the coupling passageway. The slot extends from the proximal port to the distal port, thereby permitting the coupling wire guide to be “clipped-on” to the mid-section of the previously introduced wire guide or any location having the most efficacy. | 12-16-2010 |
20110000484 | VASCULAR THERAPY USING NEGATIVE PRESSURE - System and methods for applying vascular therapy to a body vessel using a chamber capable of negative and/or positive pressure relative to ambient are provided. The chamber includes one or more pressure-isolated chambers. A pressure and/or vacuum source is connected to the pressure chamber, and is configured to provide distinct pressures within each pressure-isolated chamber. A controller is coupled to the pressure source, and is configured to control the pressure source such that pressure within each of the pressure-isolated chambers is controlled cyclically to simulate a pulsating pump or peristaltic-like pump action within the body vessel. The use of negative pressure is sequenced such that the resistance to pressure toward the heart is reduced. This effectively “pulls” blood flow toward the heart and creates more space for incoming blood flow. During simulation, medical devices may be introduced to and/or diagnostics may be performed on the targeted vessel. | 01-06-2011 |
20110009806 | MEDICAL DEVICE HAVING ONE OR MORE ACTIVE STRANDS - The present embodiments provide an elongate medical device comprising a plurality of strands twisted in a generally helical manner to form a tubular shape having a longitudinal axis. A first strand of the plurality of strands is moveable with respect to at least a second strand of the plurality of strands. Actuation of the one or more strands may perform a medical function or actuate an associated distal component. A working lumen of the tubular member may remain unobstructed for delivery of medical components or fluids. | 01-13-2011 |
20110034860 | MICRO-NEEDLE ARRAY AND METHOD OF USE THEREOF - A micro-needle array is provided that may be used to deliver a bioactive agent to a therapeutic target. The micro-needle array preferably includes a substrate, a plurality of micro-needles integral with the substrate, and a bioactive agent. At least one micro-needle preferably includes a top surface, a bottom surface, a side surface, and a cavity defined by an inner surface. The bioactive agent may be disposed on the substrate and the plurality of micro-needles. The at least one micro-needle may further include a slit connecting the cavity to an aperture, the slit extending from the top surface to the bottom surface. | 02-10-2011 |
20110046712 | LOADING APPARATUS AND SYSTEM FOR EXPANDABLE INTRALUMINAL MEDICAL DEVICES - Medical device loading apparatuses, systems, methods and kits are described. A loading apparatus comprises a main body having a proximal end defining a proximal opening, a distal end defining a distal opening, and a passageway extending between the proximal and distal openings. The passageway defines a proximal chamber having a first inner diameter, a distal chamber having a second inner diameter, and a transition chamber disposed between the proximal and distal chambers. The transition chamber has an inner diameter that transitions from the larger second inner diameter to the smaller first inner diameter. The main body has a separable connection that divides the main body between proximal and distal portions when disrupted. An expandable intraluminal medical device can be loaded into a delivery catheter using the loading apparatus by placing the device into the passageway such that it is in a radially-expanded configuration; pulling the device along an axial path through the loading apparatus such that the device transitions from the radially-expanded configuration to a radially-compressed configuration; and pushing the radially-compressed device along the axial path into the delivery catheter. | 02-24-2011 |
20110106054 | MULTI-LUMEN MEDICAL MIXING DEVICE - Disclosed is a multi-lumen mixing device that includes a first and second lumen constructed and arranged to separately pass a first and second reagent to a mixing chamber in the device, where the mixing chamber includes a mixing feature that mixes the first and second reagents. The disclosed multi-lumen mixing device may also include a port in fluid communication with the reaction mixing to permit the product of the combined reagents to be injected into a patent. | 05-05-2011 |
20110144568 | APPARATUS AND METHOD FOR PREPARING FOAM - A device and a method for preparing foam are provided. The device includes a first housing having a first chamber therein and a first movable member positioned at least partially within the first housing. The device also includes a second housing having a second chamber therein, the second chamber being selectively and operably connectable to the first chamber. The second housing further includes a biasing member and a second movable member therein, the biasing member biasing the movable member toward a first end portion of the second housing. The device includes a valve operably connected to the first chamber and the second chamber and movably positionable to selectively control the connection between the first chamber and the second chamber and a handle operably connected to the first movable member and movable to bias the first movable member toward a first end portion of the first housing. | 06-16-2011 |
20110196260 | CATHETER ASSEMBLY - A catheter assembly is provided with a flexible tubular body having two lumens. A solid slidable member with a sharp distal end is disposed within one of the lumens. The slidable member is capable of sliding within the lumen of the tubular body between an exposed position in which the sharp distal end of the slidable member protrudes from the distal end of the tubular body and a shielded position in which the distal end of the slidable member is within the tubular body. One advantage is that the sharp distal end of the slidable member may be withdrawn into the tubular body in order to shield a patient from unintentional cutting or irritation from the sharp distal end of the slidable member. | 08-11-2011 |
20110208203 | PRESSURE SENSING VERTEBROPLASTY EXTENSION TUBE - Disclosed in certain embodiments is a pressure sensing tube for transporting a material under pressure through a lumen and a pressure sensitive material associated with the tube and operable to change in appearance in response to a physical change in the tube caused by pressure within the lumen. | 08-25-2011 |
20110288488 | INSIDE OUT T-FASTENER SYSTEM - A medical device for providing wall apposition of two bodily walls in accordance with the teachings of the present invention. The medical device is used at a previously formed puncture site having perforations formed in the walls. By way of example, the two walls are described herein as the abdominal and gastric walls, although it will be recognized that any two bodily walls may be fastened together utilizing the medical device and the methods described herein. It will also be understood that the procedures described herein may be performed using image guidance such as fluoroscopy, although the device and method may readily be performed without such assistance. | 11-24-2011 |
20110295228 | MINIMALLY INVASIVE MEDICAL DEVICE AND METHOD FOR DELIVERY OF THERAPEUTIC OR DIAGNOSTIC AGENTS INTO A VESSEL WALL - The invention relates to minimally invasive device for delivering therapeutic or diagnostic agents into a vessel wall. The device includes an introducer tube, a tubular member having a proximal end, a distal end, and a first lumen extending therebetween, the tubular member being slidably disposed within the introducer tube; a plurality of hollow delivery struts, each delivery strut adapted to pierce through inner most layers of the vessel wall and each comprising at least one exit port and at least one stopper to prevent the delivery strut from piercing through the outer most layers of the vessel wall. The delivery struts are disposed on the distal end of the tubular member and are in fluid communication with the first lumen. The invention also relates to methods of delivering the device of this invention and methods of treating conditions or diseases of body lumens. | 12-01-2011 |
20120000375 | APPARATUS FOR COMPRESSING AN EXPANDABLE MEDICAL DEVICE - Various systems for compressing and loading an expandable medical device into a sheath are disclosed. One system comprises an array of moveable blades radially disposed about a central axis and forming a radially contractible aperture. The blade array includes at least a first plurality of blades and a second plurality of blades. The first plurality of blades is independently moveable with respect to the second plurality of blades. Additional aspects of the invention include methods of using the various compressor systems to compress and load an expandable medical device into a sheath. | 01-05-2012 |
20120035532 | ASPIRATING AND INJECTING DEVICE - A medical device for aspirating and injecting fluid into a body cavity for use with first and second syringes is provided. The medical device includes an outer needle having an outer lumen formed therethrough. A distal end of the outer needle is configured to puncture tissue for insertion of the needle into the body cavity. An inner cannula is disposed within the outer lumen and has an inner lumen formed therethrough. A distal end of the inner cannula is disposed within the outer lumen. A hub has a first hub opening for fluidly connecting the first syringe to the outer lumen and a second hub opening for fluidly connecting the second syringe to the inner lumen. The inner cannula extends from at least one of the first and second hub openings to the distal end of the inner cannula. A method for treating a cyst is also provided. | 02-09-2012 |
20120065474 | HEMOSTASIS VALVE ASSEMBLY - A valve assembly ( | 03-15-2012 |
20120150272 | IMPLANT DEPLOYMENT RESTRAINT DEVICE - A restraint member is provided for preventing longitudinal movement between a self-expanding medical implant and the inner catheter upon which the implant is mounted. The restraint member may be particularly useful for a woven wire self-expanding stent where the restraint member is positioned only under one or more ends of the stent. | 06-14-2012 |
20120165850 | Spring Action Medical Device - A spring action medical device includes a spring that may propel a hammer component in a distal direction when the spring is released from a loaded state. When propelled forward by the spring, the hammer component makes contact with a distal tip of the medical device. The distal tip may then transfer a force to an external object, such as an occlusion in a body lumen. | 06-28-2012 |
20120165915 | EMERGENCY VASCULAR REPAIR PROSTHESIS DEPLOYMENT SYSTEM - A deployment device for repair of a transected body vessel is described herein. Device can have a handle and one or more shafts coupled thereto. A prosthesis being retained by a sheath can be coupled to the delivery device. The sheath can have end portions coupled to one or more shafts. Rotation of a shaft can retract a sheath portion away from either end of the prosthesis for expansion thereof prior to the middle of the prosthesis. Continued rotation of a shaft can completely remove the sheath from the prosthesis, so that the prosthesis is fully expanded and couples the first and second vessel portions of the transected vessel together. Prosthesis may be retained by overlapping a tubular sheath and lacing a threading member therethrough. Prosthesis may be retained by a splittable sheath. | 06-28-2012 |
20120172913 | DELIVERY OF AN EMBOLIZATION COIL WITH AN ATTACHER - An occluding device apparatus includes an embolization coil with a distal end and a proximal end with an opening and an attacher that is threaded through the opening at the proximal end of the embolization coil. The apparatus further comprises a delivery kit for delivery of the embolization coil in a body cavity. The kit comprises a guide catheter for percutaneous introduction of the embolization coil and an inner catheter slidably disposed within the guide catheter during insertion. The inner catheter comprises a proximal end and a distal end. The inner catheter further includes a hub disposed adjacent the proximal end. The kit further comprises a guide wire slidably disposed within the inner catheter. The guide wire is configured to provide a path during insertion thereof within a body cavity. The kit further comprises a pushwire to advance the embolization coil through the inner catheter. | 07-05-2012 |
20120201095 | SYSTEM AND METHOD FOR PACKAGING AND MIXING MULTI-PART MEDICANT - Disclosed is a system for mixing and dispensing bone cement. The system includes a flexible bag containing isolated liquid and powder components that are reactive with each other to form bone cement and a mixing device that has first and second primary pressure surfaces and first and second secondary curved pressure surfaces. The system allows the bag to attach to the first and second secondary pressure surfaces. The system is operated such that the first primary pressure surface exerts force on the bag against the first secondary pressure surface and the second primary pressure surface exerts force on the bag against the second secondary pressure surface. Relative movement of the primary pressure surfaces with respect to the bag causes mixing of the components within the bag. | 08-09-2012 |
20120220894 | DEFLECTABLE BIOPSY DEVICE - Disclosed is a deflectable biopsy device that includes a cannula having a preformed bend, wherein the shape of the cannula can be temporarily altered with the cannula returning to its original shape afterward. The deflectable biopsy device also includes a sampling member slidably disposed within the cannula and operable therewith to collect a tissue biopsy. | 08-30-2012 |
20120224452 | VERTEBROPLASTY CEMENT MIXER INJECTOR DEVICE - A system and apparatus for mixing and dispensing a composition, such as a vertebroplasty composition, is disclosed. | 09-06-2012 |
20120245487 | CLOSED SIDE-SAMPLING BIOPSY DEVICE - Among other things, there are disclosed embodiments of a biopsy device using relative rotational motion to obtain a full-core biopsy sample. Inner and outer tubular members are provided connected to a handle. Each member includes a slit, and the members are rotatable with respect to each other. The device is inserted into a patient to a sampling site, and with the slits co-oriented, is extended into the sampling site. Tissue enters the tubular members through the slits, and one or both members are rotated to cut off and enclose tissue within the inner tubular member. | 09-27-2012 |
20120245590 | APPARATUS AND METHOD FOR MIXING AND DISPENSING A BONE CEMENT MIXTURE - Among other things, an apparatus for mixing and dispensing a bone cement mixture are provided. In certain embodiments, the apparatus includes a housing having a first chamber for containing an ampoule having a first bone cement component. The housing has a second chamber for containing a second bone cement component and the first and second chambers are in fluid communication. An ampoule breaking device is disposed within the first chamber and is configured to engage and break the ampoule for release of the first bone cement component. Disposed within the second chamber is an impeller that is configured to rotate such that the impeller mixes the first and second bone cement components together to form the bone cement mixture. Adjacent the impeller is a displacer that is configured to advance through the second chamber, receiving the impeller and dispensing the bone cement mixture. | 09-27-2012 |
20120265055 | TUBULAR FEEDING DEVICE HAVING SHAPEABLE DISTAL END - A tube for insertion into a body passageway of a patient includes a generally elongated tubular member having a proximal portion, a distal portion, a lumen extending between the proximal portion and the distal portion, and at least one aperture at the distal portion sized and positioned for passage of fluid material therethrough from the lumen to a target area in the body passageway. The tubular member is structured such that the distal portion is selectively movable between the generally elongated configuration and a shaped configuration. A length of the distal portion is provided with one or more echogenic members disposed therealong such that the distal portion length is visible under ultrasound visualization when in the shaped configuration. | 10-18-2012 |
20120277586 | FEEDING TUBE HAVING ECHOGENIC TIP - A feeding tube for insertion into the jejunum of a patient. An elongated tubular member has a proximal portion, a distal portion, a lumen extending between the proximal and distal portions, and at least one aperture at the distal portion. The aperture is sized for passage of fluid material from the lumen into the jejunum. An inflatable balloon is disposed about a length of the elongated tubular member distal portion. The balloon is sized and configured such that upon inflation via water or saline inflation media, the balloon projects outwardly from the tubular member distal portion so as to be engageable with an interior wall of the body passageway. An echogenic material is disposed along the tubular member distal portion in conjunction with the balloon to provide an echogenic capability, so that the tubular member length is visible under ultrasound imaging. | 11-01-2012 |
20120277729 | CATHETER HAVING A SELECTIVELY VARIABLE DEGREE OF FLEXIBILITY - A catheter having a selectively variable degree of flexibility includes an elongate tubular outer member and an elongate tubular inner member disposed within the outer member. The catheter further includes a cavity disposed in between the outer and inner members. A tubular braid of filaments may be disposed within the cavity. The outer and inner members are movable relative to each other along intermediate portions thereof when in a first configuration, and are not movable relative to each other when in a second configuration. When the inner and outer members are in the first configuration, the tubular braid of filaments is movably disposed relative to at least one of the outer member and the inner member. When the inner and outer members are in the second configuration, the inner and outer members clamp the tubular braid of filaments in a fixed position relative to the inner and outer members. | 11-01-2012 |
20120323213 | THERMO-CHEMICAL MEDICAL DEVICE FOR MANIPULATION OF TISSUE - The present invention provides a medical device for manipulation of tissue of a patient. The medical device comprises a shaft having a proximal section extending to a distal section that has a closed distal end portion. The shaft has a plurality of lumens formed therein including a first lumen and a second lumen. The first lumen is for distally advancing a first reactant through the proximal section. The second lumen is for distally advancing a second reactant through the proximal section. Positioned longitudinally within the shaft and distally from the first and second lumens is a mixing element. The mixing element is in fluid communication with the first and second lumens. The mixing element has a series of baffles for mixing the first and second reactants together producing a reaction product to heat the closed distal end portion of the shaft for manipulation of the tissue. | 12-20-2012 |
20130013049 | CONTROL HANDLE FOR SELF-EXPANDABLE MEDICAL DEVICES - A delivery system is provided for a self-expanding medical device. The delivery system has a handle assembly with a housing. The housing has a slot with a deployment knob extending therethrough. The self-expanding medical device is deployed by restraining the housing of the handle assembly and pulling on the deployment knob. This causes an outer sheath to withdraw proximally from an inner catheter to release the self-expanding medical device from a space between the outer sheath and inner catheter. | 01-10-2013 |
20130046330 | MULTI-LAYER FILTRATION DEVICE - A filter device assembly and a method of using such a device to capture and remove embolic material from a body lumen or blood vessel is provided. The filter device assembly generally comprises a structure having a collapsed state and an expanded state with first, second, and optionally N additional filter members circumferentially attached thereto. Each filter member forms an annulus chamber with the first filter member having porosity P | 02-21-2013 |
20130074712 | APPARATUS FOR COMPRESSING AN EXPANDABLE MEDICAL DEVICE - Various systems for compressing and loading an expandable medical device into a sheath are disclosed. One system comprises an array of moveable blades radially disposed about a central axis and forming a radially contractible aperture. The blade array includes at least a first plurality of blades and a second plurality of blades. The first plurality of blades is independently moveable with respect to the second plurality of blades. Additional aspects of the invention include methods of using the various compressor systems to compress and load an expandable medical device into a sheath. | 03-28-2013 |
20130085339 | SURGICAL RETRACTOR - The exemplary embodiments illustrated provide the discovery of apparatuses and methods of use of surgical retractors that solve the problems presently posed through use of the Trendelenberg position, present graspers, and present retractors. The embodiments are conformable into a sufficiently small configuration for introduction and positioning within a surgical site, and thereafter, are configurable into a larger, more rigid structure to sufficiently retain tissues and organs from the surgical site. | 04-04-2013 |
20130131775 | ENDOLUMINAL PROSTHESIS INTRODUCER - An endoluminal prosthesis introducer may include a rotatable inner cannula including a proximal end. The introducer may include a proximal tip disposed at the proximal end of the inner cannula and including a distal end. The introducer may include a retaining member including an engaging member extending radially outward. The retaining member may be disposed about the proximal end of the inner cannula. In response to rotation of the inner cannula with respect to the retaining member, the proximal tip may be longitudinally movable relative to the engaging member between a retaining configuration and a releasing configuration. The proximal tip and the engaging member may be spaced from one another by a greater longitudinal distance in the releasing configuration than in the retaining configuration. | 05-23-2013 |
20130204297 | RELEASABLE SUTURE CLAMP AND SUTURE ANCHOR ASSEMBLY INCLUDING SAME - A suture anchor assembly includes a length of suture having an anchor attached to an end thereof. A releasable suture clamp is disposed in a clamped configuration about the suture. The releasable suture clamp includes a plurality of independent stackable components rotatable about a common axis, which is transverse to opposing faces of the stackable components. Each of the stackable components has a first opening passing through the opposing faces, spaced from the common axis, and sized for receiving the suture therethrough. The releasable suture clamp has an unclamped configuration in which the first openings are aligned relative to an alignment axis and the clamped configuration in which the first openings are misaligned relative to the alignment axis, wherein the alignment axis is parallel to the common axis. | 08-08-2013 |
20130226237 | Suture Clamp And Gastrointestinal Suture Anchor Set Device Using Same - A gastrointestinal suture anchor set device includes a pusher slidably received in a needle. A suture clamp assembly includes an anchor attached to one end of a length of the suture, which is slidably received in a sequence of passages defined by a suture clamp in a high profile sliding configuration. The anchor is received in the distal end of the needle with the suture extending outside of the needle. The clamp includes a series of disks movable to a low profile clamped configuration at which different segments of the suture are clamped between faces of adjacent disks. The series of disks define a sequence of suture passages that are segments of a tortuous pathway through the clamp traversed by the suture. | 08-29-2013 |
20130338682 | Tissue Ligation Devices and Methods - Medical devices useful in the ligation of tissue, apparatuses useful in the making and using of the medical devices, and methods of making and using the medical devices are described. A method of ligating tissue includes placing a ligating band on an introducer, stretching the ligating band, transporting the ligating band to a position adjacent a tissue using the introducer, passing the ligating band over the tissue, and releasing the ligating band from the introducer to place the ligating band in an unstretched configuration around the tissue. A ligating band includes an elongate fiber having first and second ends and forming a series of loops. The second end can be free of direct securement to the first end and secured to a portion of the fiber positioned within a loop of the series of loops. | 12-19-2013 |
20140053415 | CATHETER TIP CUTTING TOOL - A cutting tool is provided for cutting the end of a catheter to provide custom length catheters. The cutting tool has a cutting member that moves within the cutting passageway in the housing. The catheter is positioned within a catheter passageway in the housing. The cutting passageway transacts the catheter passageway so that a blade on the cutting member crosses the catheter passageway and cuts through the width of the catheter to form a cut end on the catheter. | 02-27-2014 |
20140081315 | Multi-Layer Filtration Device - A filter device assembly and a method of using such a device to capture and remove embolic material from a body lumen or blood vessel is provided. The filter device assembly generally comprises a structure having a collapsed state and an expanded state with first, second, and optionally N additional filter members circumferentially attached thereto. Each filter member forms an annulus chamber with the first filter member having porosity P | 03-20-2014 |
20140081387 | TAPERED LOADING SYSTEM FOR IMPLANTABLE MEDICAL DEVICES - Loading systems for compressing and loading an implantable medical device into a device chamber of a medical device delivery system are described. The loading systems include an elongate holding chamber within which the intraluminal medical device is disposed. A plunger has one or more attached pushers adapted to axially advance the intraluminal medical device through an intermediate portion of the holding chamber that has a tapered surface, which compresses the intraluminal medical device over a dilator of a medical device delivery system that has been introduced through the distal end of the elongate holding chamber. The elongate holding chamber can be placed within an outer storage container with an appropriate seal to for storage of the intraluminal medical device within the loading system. Methods of preparing an intraluminal medical device for implantation in a patient and kits useful in such methods are also described. | 03-20-2014 |
20140121748 | LOADING APPARATUS AND SYSTEM FOR EXPANDABLE INTRALUMINAL MEDICAL DEVICES - Medical device loading apparatuses, systems, methods and kits are described. A loading apparatus comprises a main body having a proximal end defining a proximal opening, a distal end defining a distal opening, and a passageway extending between the proximal and distal openings. An expandable intraluminal medical device can be loaded into a delivery catheter using the loading apparatus by placing the device into the passageway such that it is in a radially-expanded configuration; pulling the device along an axial path through the loading apparatus such that the device transitions from the radially-expanded configuration to a radially-compressed configuration; and pushing the radially-compressed device along the axial path into the delivery catheter. | 05-01-2014 |
20140163694 | PREFORM FOR AND AN ENDOLUMINAL PROSTHESIS - An endoluminal prosthesis may include a tubular graft extending in a longitudinal direction, where the graft has an inner surface forming a lumen extending a length of the graft. An elongate member may be attached to the graft in a circumferentially and longitudinally extending manner such that the elongate member forms a series of longitudinally spaced apart turns, each turn extending substantially around a circumference of the graft. The elongate member may torsion the graft in at least the circumferential direction and cause the graft to form circumferentially and longitudinally extending folds in the portions of the graft disposed between longitudinally adjacent turns of the elongate member. | 06-12-2014 |
20140188138 | SURGICAL SUTURE DEVICE AND METHODS OF USING THE SAME - A medical instrument, such as a surgical device for manipulating and placing a tissue suture and methods of using the same is disclosed. The device comprises a handle, a hollow shaft removably coupled to the handle assembly and a stylet extending within the hollow shaft and longitudinally slideable therein. Preferably, the stylet is not rotationally moveable relative to the shaft. The stylet may be moved between a first position wherein a grasping member formed on the stylet is retracted into a distal end portion of the shaft and a second position wherein the grasping member extends distally beyond the distal end portion of the shaft. Distal movement of an actuation member on the handle correspondingly moves the stylet to the extended position and movement of the actuation member to a proximal position on the handle correspondingly moves the stylet to the retracted position. Lateral movement of the actuation member on the handle does not impart rotational movement of the stylet relative to the shaft. | 07-03-2014 |
20140188203 | HANDLE ASSEMBLY FOR MEDICAL DEVICE DEPLOYMENT SYSTEM - A medical device deployment system includes an inner shaft telescopically received within a retractable sheath and a medical device positioned over the inner shaft. A handle assembly includes a proximal handle portion having a handle body having an elongate slot therethrough. A distal end of the handle body is attached to an open proximal end of the retractable sheath. The handle assembly also includes a distal handle portion attached to a proximal end of the inner shaft through a connection portion. In a pre-deployment configuration, the connection portion is positioned through a proximal end of the elongate slot and the retractable sheath restricts radial expansion of the medical device. In a post-deployment configuration, the connection portion is positioned through a distal end of the elongate slot and the retractable sheath is retracted such that the medical device is not restricted from radial expansion by the retractable sheath. | 07-03-2014 |
20140194698 | ABDOMINAL RETRACTOR - Devices and methods for retracting tissue, such as bowels and organs, within the body of a patient are generally disclosed. In particular, the present disclosure describes surgical retractors having a series of intersecting strands defining openings there between, wherein the openings are enlargeable by slidable passage of the strands relative to one another. The present disclosure also teaches surgical retractors having a frame that defines a central opening and a supporting structure extending across the central opening and defining a plurality of openings, wherein the frame extends through the openings. In some embodiments, a surgical retractor comprises a monolithic polymeric structure extending across the central opening defined by a frame. Other embodiments and methods are disclosed. | 07-10-2014 |
20140200650 | EMERGENCY VASCULAR REPAIR PROSTHESIS DEPLOYMENT SYSTEM - A deployment device for repair of a transected body vessel is described herein. Device can have a handle and one or more shafts coupled thereto. A prosthesis being retained by a sheath can be coupled to the delivery device. The sheath can have end portions coupled to one or more shafts. Rotation of a shaft can retract a sheath portion away from either end of the prosthesis for expansion thereof prior to the middle of the prosthesis. Continued rotation of a shaft can completely remove the sheath from the prosthesis, so that the prosthesis is fully expanded and couples the first and second vessel portions of the transected vessel together. Prosthesis may be retained by overlapping a tubular sheath and lacing a threading member therethrough. Prosthesis may be retained by a splittable sheath. | 07-17-2014 |
20140236189 | WOUND CLOSURE DEVICE - A device is provided for closing a wound, such as a percutaneous access site. The device is inserted into the wound, and a helically shaped pusher is actuated to penetrate a wall of the wound. The pusher extends a suture through the tissue wall. After the suture is extending through the tissue wall, the pusher is retracted out of the tissue, while the suture remains extending through the tissue. The suture may then be used to close the wound. | 08-21-2014 |
20140276716 | CATALYZED EXOTHERMIC ABLATION DEVICE - The invention relates to devices, systems, and methods for heating tissue, including ablating a tumor, using the catalyzed heat of decomposition of hydrogen peroxide solutions. A hydrogen peroxide solution is contacted with a catalyst to decompose the hydrogen peroxide and heat the distal tip of a catheter to a temperature effective to ablate a target tissue. | 09-18-2014 |
20140296906 | APPARATUS AND METHODS FOR IN SITU EMBOLIC PROTECTION - The present invention provides apparatus and methods for treating a vascular condition by restoring patency to a vessel while reducing the likelihood that emboli become dislodged into the bloodstream. In a first embodiment, the apparatus comprises a graft having proximal and distal regions, a first support member attached to the distal region of the graft, and a second support member attached to the proximal region of the graft. The first and second support members may comprise first and second stents, respectively. The first stent is deployed distal to a vascular condition, and the second stent is deployed proximal to a vascular condition, such that the graft spans the length of the vascular condition to entrap emboli during treatment of the vascular condition. In an alternative embodiment, the first stent is adapted to be deployed within a vessel at a location distal to the vascular condition, and the graft is adapted to be everted to form a pocket adapted to entrap emboli dislodged during treatment of the vascular condition. The second stent then may be subsequently deployed proximal to the vascular condition, such that emboli trapped within the graft pocket are effectively sealed off from the bloodstream. | 10-02-2014 |