Entries |
Document | Title | Date |
20080200900 | BAYONET LUER LOCK CONNECTION FOR AN INSULIN PUMP - A connection including a first closure component including a first adapter and a fitting element which is able to move relative to the first adapter and an elastic or resilient element which couples the first adapter to the fitting element and/or is disposed between them. | 08-21-2008 |
20080228167 | CATHETER WITH PRESSURE SENSOR SYSTEM - A catheter for administering a substance into a patient's tissue including a number of pressure sensors for detecting changes in the shape of the catheter or a backflow along the surface of the catheter. In response to the pressure distribution profile collected along the surface or length of the catheter, the physician may simulate or adapt the substance administration plan to accommodate the actual position of the catheter or the backflow along the surface of the catheter. | 09-18-2008 |
20080234659 | UROLOGICAL MEDICAL DEVICES FOR RELEASE OF THERAPEUTIC AGENTS - According to an aspect of the present invention, urological medical devices are provided, which contain one or more urologically beneficial agents selected from alpha-adrenergic blockers, calcium channel blockers, and combinations thereof, among others. The urological devices are adapted for implantation or insertion into a subject's urinary tract, whereupon at least a portion of the urologically beneficial agent is released. Such agents are urologically beneficial, for example, in that they may relieve pain and/or discomfort associated with the medical device and/or act as stone expulsion agents (i.e., they facilitate stone passage), among other benefits. According to an aspect of the present invention, a method of treating kidney stones is provided which comprises: (a) diagnosing the presence of kidney stones within a subject and (b) implanting or inserting a urological medical device into the subject which contains at least one urologically beneficial agent. The medical device is adapted to release the at least one urologically beneficial agent in vivo in an amount effective to promote kidney stone expulsion. | 09-25-2008 |
20080249507 | Emergency Electrode on Medical Tube - A food administering apparatus including a feeding tube, having a distal outlet and proximal inlet, adapted for insertion of the distal outlet into the stomach of an adult patient while the proximal inlet is outside the patient, the tube being suitable for administering food or medicine from a proximal port to the distal outlet and at least one electrode mounted on the tube. | 10-09-2008 |
20080275426 | Flexible and Durable Tip - A method of making a flexible, durable catheter tip is achieved by providing a catheter tip, and in some embodiments, applying heat energy only to the distal portion of a catheter tip. In other embodiments, the method includes ablating a portion of the outer diameter of the proximal region material. In at least one embodiment, the method includes manufacturing a catheter tip with a layer of a harder material disposed about a first layer of a relatively softer material and then ablating at least a portion of the harder material. In some embodiments, the method includes dipping at least a portion of the distal region of the catheter tip into a chemical bath. In some embodiments, the method includes providing a catheter tip made of a tip material, adding a curable adhesive to at least a portion of the distal region, and then applying heat energy to cure the curable adhesive. | 11-06-2008 |
20080281293 | COMPLEX SHAPE STEERABLE TISSUE VISUALIZATION AND MANIPULATION CATHETER - Complex steerable catheter visualization and tissue manipulation systems and their methods of use are disclosed herein. The deployment catheter is articulated using various steering mechanisms. Tissue visualization is accomplished from the visualization hood at the distal end of the deployment catheter, the hood having an ability to expand and other features to facilitate visualization and articulation at the tissue surface. | 11-13-2008 |
20080281294 | METHOD FOR ATTACHING A CATHETER TIP TO A CATHETER SHAFT - The present invention is a method of bonding a shaft tip to a distal end of a catheter or sheath shaft. The method includes extruding a shaft to have an initial outside diameter that is greater than an outside diameter the shaft will have when finished. A lap joint area is then ground into the distal end of the shaft. The tip is then insert molded over the lap joint area. The tip includes a collar at a proximal end of the tip that provides additional thermal mass to facilitate the bonding of the tip to the shaft. The shaft is then ground from its initial outside diameter to its finished outside diameter. | 11-13-2008 |
20080287916 | GUIDE FOR PLACEMENT OF CATHETER INTO BRAIN AND A METHOD OF UTILIZING THE SAME - The subject matter discloses a method and apparatus for detecting an environment within a body comprising a stylet and a catheter capable of being inserted into the body and a bio-sensing module for detecting a predefined material within the body, upon insertion of the stylet and catheter with close proximity to the predefined material. The predefined material may be beta-transferrin, and the apparatus may comprise a transmitter and an indication unit for transmitting data related to the presence of the predefined material in the body. | 11-20-2008 |
20080287917 | Apparatus and Method for Convection Enhanced Therapeutic Delivery - A system for convection enhanced delivery of therapeutic comprises one or more flexible, biocompatible microcatheters that are directed to a target location to deliver a therapeutic agent. The microcatheter is releasably coupled to a guide tube and directed to the desired location. The microcatheters are small and flexible in order to reach the target areas, minimize trauma at the injection site, and minimize reflux of the injectable therapeutic. | 11-20-2008 |
20080300576 | CATHETER INSERTION ASSEMBLY - A catheter insertion assembly for inserting a catheter into a body lumen of a patient is disclosed as well as a method of using the assembly. The assembly comprises a hub, a catheter stiffener and a valve. The hub has a proximal end, a distal end and a lumen connecting the proximal and distal ends. The valve is disposed in the lumen of the hub and prevents substantially all fluid flow through the lumen in at least one direction below a pressure threshold. The stiffener comprises a proximal end, a distal end and a central lumen. The proximal end of the stiffener is attached to the hub and the stiffener extends distally of the distal end of the hub, and the stiffener lumen is in fluid communication with the hub lumen. The stiffener occupies a lumen of the catheter and provides additional stiffness to the catheter such that a catheter introducer is not necessary for insertion of the catheter. | 12-04-2008 |
20080306467 | Method and Devices for Selective Endoscopic Retrograde Cholangiopancreatography - A catheter for inserting into a bodily structure. The catheter includes a primary lumen for passing a device. One or more flaps or circumferential anchors protrude from a front tip of the catheter. The flaps or circumferential anchors engage with an inter-mural mucosa of the bodily structure. | 12-11-2008 |
20090005757 | Catheter Apparatus and Methods for Treating Vasculatures - A catheter apparatus may have a flexible shaft, guidewire lumens passing through the shaft, and a positioning device for positioning the guidewires relative to an external lumen. The positioning device may be an expansible scaffold covered with a retractable sheath. The positioning device may also be one or more balloons that are inflated through an inflation port in the shaft. The catheter apparatus may be operated by inserting a guide catheter into a vasculature with a chronic total occlusion, inserting the catheter apparatus into the guide catheter, and advancing the guidewires through the guidewire lumens and into contact with a chronic total occlusion. The positioning device may be activated before and/or between attempts to pass the guidewires through the chronic total occlusion to interrogate various parts of the chronic total occlusion. | 01-01-2009 |
20090024109 | Catheter Having Denatured Part for Contact with Body - It is an object of the present invention to provide a catheter, whereby a tunnel infection route is closed such that infection can be prevented, by improving adhesiveness between a medical catheter and a biologically-derived adhesive (fibrin adhesive), cells, or biological tissue. The present invention provides a medical catheter which is composed of material selected from the group consisting of silicone, polyurethane, polypropylene and polytetrafluoroethylene (PTFE), at least a portion of the surface of which is modified by plasma ion implantation. | 01-22-2009 |
20090043283 | MICROFABRICATED CATHETER WITH IMPROVED BONDING STRUCTURE - Medical devices and methods for making and using the same. An example medical device may include a tubular member and a liner disposed within the liner. The tubular member may have a plurality of slots formed therein. A space may be defined between the tubular member and the liner. One or more bonding members may be disposed in the space. | 02-12-2009 |
20090043284 | CATHETER SHEATH - A catheter sheath | 02-12-2009 |
20090054872 | Endovascular Device Tip Assembly - An endovascular device tip assembly and method of making the same, incorporating a tip device with a first and second flange, usable with catheters and other suitable endovascular devices is provided. The tip assembly incorporates a tip device by providing a counterbore within a primary bore of a tubular end portion of an endovascular device. The tip device is fitted securely within the counterbore by placing the first flange within the counterbore and the second flange on the outside of the end portion. | 02-26-2009 |
20090054873 | APPARATUS AND METHOD FOR CONNECTING AND DISCONNECTING FLEXIBLE TUBING - A laser strikes and aseptically heats or sterilizes the end of two flexible tube ends for connection. Tube holders are pushed toward each other to bring the tube ends into contact. A weld detector checks the characteristics of the weld. A laser optics assembly may be used to chance the direction of the lacer and focus the laser at the tube ends. In addition, a crimping device is used to compress a single flexible tube for disconnection. The laser strikes the compressed area. The crimping device continues to pinch the area and forms a seal in the tube. The tube is separated into two tube segments, each segment has a sealed end. | 02-26-2009 |
20090069790 | SURFACE PROPERTIES OF POLYMERIC MATERIALS WITH NANOSCALE FUNCTIONAL COATING - A method of manufacturing a polymeric object that comprises providing a polymeric substrate, and exposing said substrate to a first stage that includes an initial plasma reactant so as to reduce a water contact angle of a surface of the substrate, and, wherein the initial plasma treatment activates the surface to a grafting reaction, The method further includes exposing the activated substrate surface to a second stage that includes a second plasma reactant to thereby deposit a grafted material on the activated substrate surface to form a grafted surface. | 03-12-2009 |
20090082755 | PRESSURE FEEDBACK UNIT FOR A CATHETER - A pressure feedback unit ( | 03-26-2009 |
20090088727 | Catheter - A catheter comprises a tubular body portion ( | 04-02-2009 |
20090093794 | BOLUS TUBE ASSEMBLY - A tube assembly includes a head component that may be weighted. The tube assembly is formed by welding a head tube to a main tube using a die heated by radiofrequency energy. A head lumen in fluid communication with the main tube and seal between the head lumen and a chamber of the head component are formed generally simultaneously when the head tube is welded to the main tube. At another step, weights or filler members are inserted into the chamber. A rounded tip of the tube assembly is formed by forcing a distal end of the head tube into a die that is heated by radiofrequency energy. Outlet openings in fluid communication with the head lumen are formed in the head tube using a punch device. An inlet adaptor of the tube assembly is welded to main tube using a die that is heated by radiofrequency energy. | 04-09-2009 |
20090093795 | Peritoneal catheter - A catheter having a first portion having a seal extending from the outer surface thereof and a first hollow-bore diameter, a second portion in fluid communication with the first portion via a venturi, the second portion having a second hollow-bore diameter, and the first hollow-bore diameter is no greater than 90 percent of the second hollow-bore diameter. | 04-09-2009 |
20090105689 | Removable push-off tab for IV catheter - The removable push-off tab for an IV catheter is adapted for releasable attachment to a hub of an intravenous catheter assembly. The removable push-off tab is adapted for bearing against a push-off plate to provide an increased bearing surface for pushing the catheter into the patient's vein. The removable push-off tab has opposed concave and convex faces and an opening formed substantially centrally therethrough. The opening is dimensioned and configured for releasable mounting on the hub of the catheter. | 04-23-2009 |
20090112185 | Integrated Conduit Insertion Medical Device - A medical device includes a medical device flexible conduit that has an elongated Nitinol strip with a distal end, a proximal end, a longitudinal axis running from the distal end to the proximal end, a sharp head extending from the distal end, and a channel etched therein. Moreover, the channel is dispositioned along the longitudinal axis. The medical device flexible conduit also has a flexible tube at least partially jacketing the elongated Nitinol strip between the distal end and the proximal end, with the channel and the flexible tube defining a conduit. The medical device also includes an insertion mechanism configured to insert a portion of the flexible conduit, including the sharp head, into a user's target site such that the conduit provides fluid communication to the target site. | 04-30-2009 |
20090118704 | INTERCONNECTED RIBBON COILS, MEDICAL DEVICES INCLUDING AN INTERCONNECTED RIBBON COIL, AND METHODS FOR MANUFACTURING AN INTERCONNECTED RIBBON COIL - Medical devices and methods for making and using the same. An example method for manufacturing a medical device, or one or more components thereof, may include providing a tubular member and laser cutting the tubular member to define an interconnected ribbon coil. An example medical device may include a core member and an interconnected ribbon coil disposed about a portion of the core member. | 05-07-2009 |
20090125000 | Multilayer Medical Devices - A medical device includes at least four layers including a first material and a second material having a different stiffness than a stiffness of the first material, wherein at least one of the layers varies in thickness axially along the device. | 05-14-2009 |
20090131910 | VISUALIZATION OF A CATHETER VIEWED UNDER ULTRASOUND IMAGING - A catheter for use in a patient's body lumen, having a shaft section configured to minimize ultrasonic image artifacts and the direct ultrasonic image brightness of the shaft surface and its internal components, and to produce its image at a wide range of imaging angles, preferably with an intensity not substantially different than surrounding tissue of the body lumen under ultrasound visualization. The shaft section is operative for the desired use of the catheter, yet is also configured to facilitate accurately imaging the shape and location of the shaft section, and easily differentiate it from the surrounding anatomy without unduly obscuring the images of the adjacent anatomy using an ultrasound imaging system. | 05-21-2009 |
20090143767 | Catheter assemblies and injection molding processes and equipment for making the same - Various single-part catheter assemblies, multi-part integrated catheter assemblies, and methods for making the same are disclosed. The single-part catheter assemblies include a catheter hub integrally formed with a catheter tube for insertion into the bloodstream of a patient. The multi-part integrated catheter assemblies include a catheter hub integrally formed to a catheter tube for insertion into the bloodstream of a patient. The catheter assemblies of the invention may be injection molded in a single step or in multiple steps by injecting flows of molten plastic into a cavity of molds provided herein such that the flows converge into an even distribution about the circumference of the sleeve. The mold may have a core pin designed to fit into the cavity. Through the use of the even distribution of flows, the core pin may be seated within the cavity in an untensioned manner. The catheter assemblies of the invention may be produced of a single material or of multiple materials. | 06-04-2009 |
20090157047 | MEDICAL DEVICE COATINGS AND METHODS OF FORMING SUCH COATINGS - Disclosed are coatings for medical devices. The medical device can have a surface. The coatings can have a first and a second layer. The first layer can be disposed on at least a portion of the surface of the medical device, and the first layer can comprise a first copolymer. The first copolymer can have a first polymeric unit that can adhere to the surface of the medical device and a second polymeric unit that can adhere to the second layer. The second layer can be disposed on at least a portion of the first layer, and the second layer can comprise a second copolymer. The second copolymer can comprise a third polymeric unit that can adhere to the first layer and a second polymeric unit that can provide the surface properties of the coating. Methods of applying coatings are also disclosed. | 06-18-2009 |
20090157048 | SPIRAL CUT HYPOTUBE - A medical device such as a catheter may have an elongate shaft that includes a hypotube having a helical cutting formed therein. The elongate shaft may define a lumen that extends within the elongate shaft. An electroactive polymer may be disposed over at least a portion of the hypotube. A medical device may include a spiral cut hypotube having a constant pitch and may be configured to reversibly and temporarily alter the pitch of at least a portion of the spiral cut hypotube. In some cases, the medical device may be configured to reversibly and/or temporarily alter a compressive strength of at least a portion of the spiral cut hypotube. | 06-18-2009 |
20090157049 | Catheter Assemblies for Controlled Movement of Fluid - A catheter assembly for infusion or aspiration of an internal body site includes a catheter comprised of a tubular sidewall extending between a proximal end and an opposing distal end, the sidewall bounding a lumen. At least one port is formed on the catheter so as to communicate with the lumen. At least one filament extends outwardly from the first catheter. The filament is configured to form a fluid pathway within a body of a patient for fluid entering or exiting the at least one port of the catheter when the catheter is implanted within the body of the patient. | 06-18-2009 |
20090187162 | Catheter Tube and Catheter Comprising the Tube - The present invention relates to provide a catheter tube having excellent insertability into the body, excellent operability and an excellent anti-thrombogenic property, and also provide a catheter having the tube. For the purpose, a catheter tube of the present invention comprises a mixture of an isobutylene block copolymer and a thermoplastic polyurethane resin, wherein the isobutylene block copolymer is composed of a polymer block mainly comprising isobutylene and a polymer block mainly comprising a monomeric component other than isobutylene; and a catheter using the tube. | 07-23-2009 |
20090209940 | FUSION MANUFACTURE OF MULTI-LUMEN CATHETERS - Methods of forming catheters are disclosed, together with methods of forming split tip catheters. In one aspect of the invention, the manufacturing methods can include the steps of: providing first and second catheter tubes each having a substantially D-shaped cross-section, and attaching at least a portion of longitudinal lengths of the first and second catheter tubes along flat surfaces of the first and second catheter tubes to form a dual lumen catheter assembly. The tubes can be fused along at least about 10%, preferably along at least about 50%, more preferably in some applications along at least about 70%, 80% or 90% of the longitudinal length. | 08-20-2009 |
20090209941 | Implant deployment catheter - A rapid exchange implant deployment catheter includes a relatively stiff hypotube ( | 08-20-2009 |
20090234328 | SYSTEMS AND METHODS FOR BREACHING A STERILE FIELD FOR INTRAVASCULAR PLACEMENT OF A CATHETER - An integrated catheter placement system for accurately placing a catheter within a patient's vasculature is disclosed. In one embodiment, the integrated system comprises a system console, a tip location sensor for temporary placement on the patient's chest, and an ultrasound probe. The tip location sensor senses a magnetic field of a stylet disposed in a lumen of the catheter when the catheter is disposed in the vasculature. The ultrasound probe ultrasonically images a portion of the vasculature prior to introduction of the catheter. ECG signal-based catheter tip guidance is included in the integrated system to enable guidance of the catheter tip to a desired position with respect to a node of the patient's heart. Various means for establishing a conductive pathway between a sterile field of the patient and a non-sterile field to enable passage of ECG signals from the catheter to the tip location sensor are also disclosed. | 09-17-2009 |
20090264862 | MEDICAL DELIVERY DEVICE CONSTRUCTION - A delivery device includes an outer sidewall and an inner sidewall extending therein. An outer surface of the inner sidewall defines a plurality of longitudinally extending grooves, each of which interlock with a corresponding inward protruding member of a plurality of longitudinally extending inward protruding members defined by an inner surface of the outer sidewall. A longitudinally extending lumen of the device, which may accommodate delivery of an implantable medical device, is defined, at least in part, by the inner surface of the inner sidewall. A slitting zone of the device, for example, provided by one of the sidewalls extending less than 360 degrees about a longitudinal axis of the device, enables removal of the delivery device from around the delivered device. | 10-22-2009 |
20090270836 | CORONARY SINUS LEAD DELIVERY CATHETER - A guide catheter for accessing the coronary sinus ostium has a proximal portion and a distal portion formed into a preformed shape including a curved segment. The preformed shape includes a first arc, a second arc, a third arc, a fourth arc, and a generally straight terminal portion. The preformed shape is generally a J-shape, having a terminal portion generally parallel to the proximal portion, a generally closed arc or a generally open arc. | 10-29-2009 |
20090270837 | MULTI-PURPOSE TUBING APPARATUS - An improved tubing device, preferably for use in the medical industry is provided. The tubing device provides a seamless transport path by using the tubing itself as the transport means without any other internally wetted parts, or connections, to provide a substantial reduction in the number of fluid contact components, and eliminate the need for cutting tubes into segments to be later bonded via tubing connectors. This can reduce the risk of contamination of the transported materials and can also reduce the use of chemicals such as adhesives and bonding agents. | 10-29-2009 |
20090275921 | Indexing Cell Delivery Catheter - An insertion device with an insertion axis includes an axial actuator with a first portion and a second portion. The first portion is moveable along the insertion axis relative to the second portion. The insertion device further includes a first tube coupled to the first portion of the axial actuator, and the first tube is movable along the insertion axis in response to movement of the first portion relative to the second portion. The device further includes a second tube having a radially biased distal end. The distal end is substantially contained within the first tube in a first state, and the second tube is rotatable with respect to the first tube. Also, the second tube is axially movable to a second state, and a portion of a distal end of the second tube is exposed from a distal end of the first tube in the second state. | 11-05-2009 |
20090287186 | SYSTEMS AND METHODS FOR IMPROVING CATHETER HOLE ARRAY EFFICIENCY - A peripheral catheter having a catheter tip diffuser for reducing an exit velocity of an infusant within the catheter. Pluralities of diffusion side holes are provided on the tip portion of the catheter. Some examples further include pluralities of annularly arranged, staggered diffusion holes provided on the tip portion of an intravenous catheter to streamline infusant issued from the diffusion holes. An inner surface of each diffusion hole is further angled relative to the inner surface of the catheter lumen such that an infusant within the lumen exits the catheter though the diffusion holes at an angle less than 90°. | 11-19-2009 |
20090287187 | DEFLECTABLE GUIDE - Described herein are devices and methods for guide catheters having one or more regions of increased flexibility. A flexibility region comprises one tubular segment of the guide catheter with a non-linear longitudinal seam between two non-concentric layers of material having different durometers. A non-linear seam, such as a zig-zag or sinusoidal configuration, permits controlled compression of lower durometer material between portions of higher durometer material. | 11-19-2009 |
20090292272 | CONICAL DIFFUSER TIP - A catheter assembly is provided having a conical diffuser tip for use in rapid infusion procedures. The conical diffuser tip provides a flared opening whereby the velocity of an infusant is decreased as the infusant travels through the catheter tip and exits into the vascular system of a patient. This decrease in velocity proportionately reduces the backpressure and/or recoil force of the catheter assembly thereby permitting the use of higher infusion rates. The catheter tip is introduced into the vasculature of a patient via a splittable introducer needle. | 11-26-2009 |
20090299331 | Vein stripping device - A vein stripping device | 12-03-2009 |
20100030191 | CATHETER WITH A PRE-SHAPED DISTAL TIP - Catheters having a pre-shaped tip configuration are disclosed. A catheter in accordance with an illustrative embodiment of the present invention can include an elongated tubular shaft equipped with a distal tip section having a pre-shaped tip configuration that can be used to facilitate tracking of the device through particular locations of the vasculature. The catheter may include a number of features that transition the stiffness and flexibility characteristics of the device and provide a means to radiographically visualize the catheter within the body. | 02-04-2010 |
20100057049 | Multi-lumen catheter for the withdrawal of blood samples - A multi-lumen catheter is described with features that reduce the volume of purge fluid needed when used with a system for monitoring blood analytes. The modifications involve reducing the internal diameter of one of the catheter tails, shortening its length, and reducing or eliminating the gap inside the Luer connector at the proximal end of the modified tail. | 03-04-2010 |
20100063476 | Catheter Having a Coextruded Fluoropolymer Layer - A catheter shaft including an elongate tubular member including a first polymeric layer and a second polymeric layer bonded to the first polymeric layer. The first polymeric layer is formed of a polymer generally not bondable to fluoropolymers, and the second polymeric layer is formed of a fluoropolymer bonded to the polymer of the first polymeric layer. The fluoropolymer of the second polymeric layer is a functionalized polyvinylidene fluoride which has a bonding affinity to the polymer of the first polymeric layer. The functionalized polyvinylidene fluoride includes reactive functional groups chemically bonded to a polymer chain of a polyvinylidene fluoride which readily bond to the polymer chain of the polymer of the first polymeric layer. | 03-11-2010 |
20100063477 | Medical Tubing with a Flexible Tip and Method of Preparation - Medical tubing having a flexible tip comprising medical tubing formed from a polyurethane resin, and a flexible tip formed from a mixture comprising a styrene-ethylene-butylene-styrene block copolymer, polypropylene, polyurethane, and mineral oil. The flexible tip may be formed from a mixture that comprises 20-40% by weight of the styrene-ethylene-butylene-styrene block copolymer, a total of 15-50% by weight of polypropylene and polyurethane, and 30-45% by weight of mineral oil. Also, a method for producing medical tubing having a flexible tip comprising medical tubing formed from a polyurethane resin, and a flexible tip formed from a mixture comprising a styrene-ethylene-butylene-styrene block copolymer, polypropylene, polyurethane, and mineral oil, comprising fusion bonding the medical tubing and the flexible tip. | 03-11-2010 |
20100076404 | SUBARACHNOID CATHETERS CONFIGURED TO FACILITATE CIRCULATORY FLUID FLOW - Catheters, with an internal lumen and distal apertures, that are configured such that physiological factors will cause bodily fluid to move in an out of the distal apertures and the portion of internal lumen adjacent to the apertures, as well as axially and/or angularly along the outer surface of the catheter adjacent to the apertures. | 03-25-2010 |
20100100072 | CATHETER AND SEAL ASSEMBLY - A laboratory specimen sealed within a chamber on an animal holder may be injected or otherwise administered material such as drugs and radioactive imagining materials from the ambient, or outside the chamber, through a sealed catheter assembly. The animal holder can be mounted on imaging machines such as MRI, X-ray, PET, CT and like imaging machines. Biologically contaminated animals are isolated within the chamber from the ambient, yet may be injected from outside the chamber thereby protecting lab technicians from contamination and isolating the animal from additional contamination from an ambient environment, such as an imaging laboratory. | 04-22-2010 |
20100106140 | ASSAY CATHETER WITH PRESSURE MONITORING - An apparatus adapted to position a functional device tip, such as a sensor, in a body site having both fluid and non-fluid tissue components, in a manner that substantially mitigates the impingement of non-fluid tissue impingement on the device tip. One such apparatus can be used to both remove fluid from a tissue site, such as a site exhibiting tissue swelling, and to determine tissue pressure, using a single catheter. An apparatus can provide a pressure sensor that is adapted to be positioned and used within the tissue site itself, without substantial impingement by non-fluid tissue, and optionally also provides the ability to concurrently remove and/or deliver fluids or components thereof to or from the tissue site. | 04-29-2010 |
20100145308 | MEDICAL DEVICES WITH A SLOTTED TUBULAR MEMBER HAVING IMPROVED STRESS DISTRIBUTION - Medical devices and methods for making and using the same. A medical device may include an elongate tubular member. The tubular member may include a first circumferential tube segment, a second circumferential tube segment disposed next to the first circumferential tube segment, and a third circumferential tube segment disposed next to the second circumferential tube segment. The first tube segment and the second tube segment may be separated by a first set of slots formed in the tubular member. The second tube segment and the third tube segment may be separated by a second set of slots formed in the tubular member. The second tube segment may be connected to the first tube segment with a proximally-extending beam formed in the tubular member. The second tube segment may also be connected to the third tube segment with a distally-extending beam formed in the tubular member. A ring may be defined in the second tube segment between the proximally-extending beam and the distally-extending beam. The ring may have a first portion with a first width and a second portion with a second width different from the first width. | 06-10-2010 |
20100152705 | Catheter - A drainage or infusion catheter comprises a flexible tube that terminates at the distal portion thereof in an apertured spiroid. The flexible tube has one or more subcutaneous cuffs, affixed at the midportion of the tube, and one or more pairs of opposed offsets of the tube between the proximal end and the distal portion thereof. | 06-17-2010 |
20100152706 | ATRAUMATIC SUCTION CATHETER - An atraumatic suction catheter having a tubular body with a lumen formed therethrough. At a distal end, the catheter has three equally spaced elongated openings positioned near its distal tip. The catheter may have a fourth round opening positioned proximally to the three openings. The catheter has improved suctioning ability of viscous secretions, and reduced impact compared to other suction catheter embodiments. | 06-17-2010 |
20100152707 | Atraumatic Suction Catheter - There is provided a suction catheter having a tubular body with a lumen formed therethrough. The catheter has a plurality of spaced elongated apertures positioned near its distal tip. The catheter may have a fourth round opening positioned proximally to the three openings. The catheter has reduced impact force compared to similar suction catheters without the plurality of apertures near the distal tip. | 06-17-2010 |
20100152708 | NON-FOULING, ANTI-MICROBIAL, ANTI-THROMBOGENIC GRAFT-FROM COMPOSITIONS - Substrates, optionally coated with an undercoating layer, having grafted there from one or more non-fouling materials are described herein. The non-fouling, polymeric material can be grafted from a variety of substrate materials, particularly polymeric substrates and/or polymeric undercoating layers. The graft-from techniques described herein can result in higher surface densities of the non-fouling material relative to graft-to formulations. Graft-from methods can be used to produce covalently tethered polymers. The compositions described herein are highly resistant protein absorption, particularly in complex media and retain a high degree of non-fouling activity over long periods of time. The compositions described herein may also demonstrate antimicrobial and/or anti-thrombogenic activity. The non-fouling material can be grafted from the substrate, or optionally from an undercoating layer on the substrate, preferably without significantly affecting the mechanical and/or physical properties of the substrate material. | 06-17-2010 |
20100152709 | Dysfunction Resistant Catheter Systems and Associated Methods - A catheter assembly includes a first line having (i) a first proximal end portion defining a first opening, (ii) a first distal end portion defining a second opening, and (iii) a first fluid passage extending between the first opening and the second opening. The catheter assembly includes a second line having (i) a second proximal end portion defining a third opening, (ii) a second distal end portion defining a fourth opening, and (iii) a second fluid passage extending between the third opening and the fourth opening. The catheter assembly further includes an actuator movable between a first location and a second location. In addition, the catheter assembly includes a linkage connected between the actuator and the first distal end portion of the first line. The first distal end portion of the first line is movable in relation to the second line between (i) a first position in which the first distal end portion is positioned in abutment with the second line, and (ii) a second position in which the distal end portion is spaced apart from the second line. Movement of the actuator from the first location to the second location causes movement of the first distal end portion from the first position to the second position. | 06-17-2010 |
20100152710 | MULTITUBE CATHETER - A multitube catheter is provided. The assembly includes two or more tubes fused together to form one catheter tube shaft. Each tube has at least one lumen extending longitudinally through the catheter from its distal end to its proximal end. The tubes are fused together by use of heat and pressure. A distal end of the united catheter tube can be split to form a split tip, stepped tip, or a tapered tip. The proximal segment (non-fused portion) forms catheter extension legs. | 06-17-2010 |
20100198192 | Anchor deployment devices and related methods - Described here are devices, methods, and kits for the deployment of tissue anchors. In some variations, the devices may comprise a shaft defining a lumen for housing at least one anchor therein and a mechanism for deploying the anchor distally from the lumen. In certain variations, the devices may comprise one or more stop elements. For example, a device may comprise a stop element that limits the advancement of the device through an opening in a wall portion or at the distal end of another device. | 08-05-2010 |
20100204680 | Orientable device for the support of an adaptor and introductor of catheters in the human cardiovascular system - Swivel device for the adjustable and removable support of an adapter and introducer unit (A) which facilitates the temporary insertion of flexible catheters (E) into the human cardiovascular system. Part of the body of said unit (A) is provided with an annular channel or other suitable means ( | 08-12-2010 |
20100211045 | APPARATUS AND METHOD TO CONVEY A FLUID - An apparatus includes a fluid path, a coupling, and a nozzle. The fluid path is to carry a fluid including one or more microparticles. The coupling is located in the fluid path. The nozzle is located in the fluid path to move the fluid through a stagnant region located near the coupling. | 08-19-2010 |
20100217234 | Catheter With Skived Tubular Member - An elongate shaft of a medical catheter including a thermoset polymeric tubular member including a skived distal portion. The skived distal portion includes a distally extending trough having a convex surface and a concave surface. A thermoplastic tubular sleeve may be positioned over at least a portion of the skived distal portion of the thermoset polymeric tubular member. In some instances, the thermoplastic tubular sleeve includes a crescent-shaped tubular portion defining a crescent-shaped lumen. The trough of the skived distal portion may extend through the crescent-shaped lumen. The thermoplastic tubular sleeve is thermally bonded to the inner and outer tubular members of a distal section of the elongate shaft at a guidewire port joint. | 08-26-2010 |
20100268194 | DEVICE AND METHOD FOR MODULATING RENAL FUNCTION - Renal function may be modulated by an implantable device having one or more leads or catheters disposed near the kidney via the lymphatic system. In one embodiment, lymphatic drainage from the kidney is modulated to increase or decrease tubular reabsorption of salt and water. The renal function modulation therapy may be delivered in an open-loop or closed-loop fashion, with the latter dependent upon a physiological variable such as blood pressure or cardiac output. | 10-21-2010 |
20100268195 | Catheter With Directed Flow Design - A catheter includes an elongated catheter body having a proximal portion and a distal portion. A first longitudinally accessible lumen and a second lumen extend side by side within and along the proximal portion, and the first lumen and the second lumen form a single common lumen within the distal portion which extends to a distal end of the distal portion. The first lumen and second lumen are co-axial within the distal portion prior to forming a single common lumen. | 10-21-2010 |
20100274226 | Deployment Catheter - A catheter for use in an endoluminal delivery assembly includes a device holding region or element on which there is provided a plurality of flexible fingers extending outwardly therefrom. The fingers act to maintain a device to be deployed in the correct position on the catheter and act to resist deformation of the device during deployment. | 10-28-2010 |
20100280494 | CATHETER AND ARRAY FOR ANTICANCER THERAPY - A catheter array system adapted for implanting a plurality of catheters within the tissue of a patient in a spatially defined array, comprising a plurality of catheters, a catheter guide template adapted to guide the implantation of catheters, and a liquid supply system including a pressurizer and a manifold, is provided. A method of treatment of a malcondition in a patient comprises implantation of a spatially definted array of catheters using the system is also provided. The bioactive agent can be a radiotherapeutic agent, a chemotherapeutic agent, a protein, an antibody, an oligonucleotide-based therapeutic agent such as siRNA, or a combination of agents. A preferred radiotherapeutic agent is | 11-04-2010 |
20100298812 | Catheter system - The invention provides a catheter system comprising a stomach probe for gastric decompression or drainage of stomach fluids, and a jejunal probe for nutriment supply during enteral feeding. The stomach probe comprises a drainage tube to be inserted into the stomach of a patient, the drainage tube having proximal and distal ends and defining a lumen for receiving and for guiding insertion of the jejunal probe into the small intestine of the patient. The jejunal probe is sized and adapted to be received within the lumen of the stomach probe for guided insertion to the small intestine. The catheter system further comprises support means for supporting the jejunal probe within the lumen of the stomach probe such that the feeding tube maintains a spaced relation to an inner wall surface of the lumen of the drainage tube. | 11-25-2010 |
20100318064 | CATHETER - A neurosurgical catheter is described for insertion into the brain parenchyma of a subject. The catheter comprises a flexible tube and has a stiff, non-porous, tip comprising at least one fluid delivery aperture. The stiff tip of the catheter may be mechanically stiffer than the flexible tube. The stiff tip may be provided by a stiff tube attached to the distal end of the flexible tube. The stiff tube may comprise a ceramic (e.g fused silica) and/or a metal. A kit comprising the catheter and a guide tube is also described. Methods of catheter implantation are also outlined. | 12-16-2010 |
20100324535 | METHOD FOR ROUNDING EDGES OF OPENINGS IN A TUBULAR BODY AND A PRODUCT THEREOF. - A method for rounding at least a part of an edge of an opening in a tubular body formed of thermo-formable material, wherein a mandrel is brought into contact with the edge and the mandrel has a temperature that allows it to permanently deform the material of the tubular body and a product thereof. | 12-23-2010 |
20100324536 | Method and System for Imaging, Diagnosing, and/or Treating an Area of Interest in a Patient's Body - A method and system for imaging, diagnosing, and/or treating an area of interest in a patient's body is provided. More particularly, a manually steered “rapid exchange” type catheter for a system for imaging, diagnosing, and/or treating an area of interest in a patient's body is provided. The catheter comprises a catheter body configured to be introduced to an area of interest in a patient's body, a device for imaging, diagnosing, and/or treating the area of interest contained within the catheter body, and a manual steering device attached to the imaging, diagnosing, and/or treating device to allow an operator to manually steer the imaging, diagnosing, and/or treating device, wherein the catheter is configured to be mounted on a commercially available guidewire. | 12-23-2010 |
20100324537 | Catheter Flushing Mandrel - A mandrel includes a mandrel body with a proximal major diameter barrel section, a diameter reducing/tapered portion and a distal minor diameter barrel section. The tapered portion connects the proximal major diameter barrel section and distal minor diameter barrel section. The proximal major diameter barrel section has a major diameter, the distal minor diameter barrel section has a minor diameter, the minor diameter less than the major diameter. The minor diameter is less than a diameter of an inner lumen of a coaxial catheter, and the major diameter exceeds the inner diameter of the outer lumen guidewire exit port of the coaxial catheter, and the tapered portion is sized to form a fluid seal the inner diameter of the outer lumen guidewire exit port. The distal minor diameter barrel section of the mandrel occupies and substantially seals and prevent flow through it to the catheter distal end guidewire entry port. | 12-23-2010 |
20100331819 | Drug Delivery System and Method of Treatment of Vascular Diseases Using Photodynamic Therapy - This invention relates to photodynamic therapy (PDT), more specifically PDT for atherosclerotic plaque via delivering PDT-loaded nanoparticles such as liposomes, polymersomes, micelles and polymeric nanoparticles into the diseased vascular tissue. This invention provides method and formulations for delivering multiple drugs and delivering drugs to specific targeted site. | 12-30-2010 |
20110004197 | Catheter Having an Expandable Lumen and Method of Manufacture - A single or multiple lumen catheter is disclosed which includes an expandable lumen. The expandable lumen is movable from a collapsed or sealed configuration to an open or expanded configuration. In the open configuration, the expandable lumen is dimensioned to receive a guidewire or stylet or facilitate the introduction of fluids into a patient. | 01-06-2011 |
20110004198 | Pressure Sensing Catheter - A pressure sensing catheter having a proximal end and a distal end. The proximate end includes one or more leur fittings contiguous with one or more lumens disposed within the catheter, a connector coupled to a signal lead which spans the length of the pressure sensing catheter and a pressure transducer coupled at about a distal end of the pressure sensing catheter. One or more apertures are provided at about the distal end of the pressure sensing catheter to allow infusion of fluids and/or withdrawal of fluid samples contemporaneous with pressure monitoring within a blood vessel. Signals sent from the pressure transducer are converted into vascular pressure units by an electronic monitor coupled to the signal lead connector. | 01-06-2011 |
20110015615 | ANTIMICROBIAL PLASTICS PRODUCT AND PROCESS FOR PRODUCTION THEREOF - The invention relates to antimicrobial plastics products which comprise, as the antimicrobially active component, silver orthophosphate or particles of partly reduced silver orthophosphate. The plastics products have a very good antimicrobial efficacy. The production process achieves the effect that the plastics products, in spite of their content of silver orthophosphate or partly reduced silver orthophosphate, are not discolored under the action of light. | 01-20-2011 |
20110022029 | CONTACT OVER-TORQUE WITH THREE-DIMENSIONAL ANATOMICAL DATA - A method is provided for establishing contact of a medical device against a three-dimensional surface geometry within a subject body, the method comprising obtaining a three-dimensional tissue surface geometry of an anatomical region within the subject body, obtaining a target location on the surface for the device to contact, determining local surface geometry information in a neighborhood of the target location, and using this information to determine a change of at least one control variable for effecting an over-torque of the medical device to enhance contact of the device with the target surface. | 01-27-2011 |
20110028939 | TIP END ASSEMBLY - A tip end assembly ( | 02-03-2011 |
20110034903 | MODULAR CATHETER SYSTEM - A modular catheter system. The modular catheter system may include a first tubular member, a first catheter tubing, a second tubular member, a second catheter tubing and a plurality of concentric seals. The first catheter tubing may be disposed within an interior portion of the first tubular member while the second catheter tubing may be disposed within an interior portion of the second tubular member. The first tubular member and the second tubular member are removably attachable to each other. The plurality of concentric seals may encircling the first catheter tubing and the second catheter tubing, and the first catheter tubing and the second catheter tubing form a continuous path when the first tubular member and the second tubular member are removably attached to each other. The catheter system may also be formed as a dual lumen catheter. | 02-10-2011 |
20110060311 | IMPLANTABLE REEL FOR COILING AN IMPLANTABLE MEMBER - An implantable spool is used for spooling the excess wiring associated with a lead that extends between at least one electrode and a pulse generator of an electrical stimulation implant system. The present invention also has application to providing a spool for coiling tubing of an implantable drug delivery system. Embodiments of the invention include a method of implanting an implantable system in a body, wherein the implantable system includes a source unit and an elongated member. A method of assembling an implantable system is also described. | 03-10-2011 |
20110060312 | CONNECTION SYSTEM FOR CONNECTING A FLUID LINE TO A FLUID RESERVOIR - A connection system for connecting a fluid line to a fluid reservoir located within a device by way of a cannula and a method thereof are disclosed. The connecting system may include a cannula holder, a movable cannula cover, and lock for the cover. The system may further include a receiving element for receiving the cannula holder; the receiving element may have a release adapted for interaction with the lock. The release and the lock can be arranged to release the cannula cover by the release interacting with the lock, so that the cannula cover is movable by the inserting force to expose the cannula when the cannula holder is inserted into the receiving element. Thus, a connection system is provided for easy and secure connection without danger of injury by the cannula or staining of the cannula. | 03-10-2011 |
20110060313 | SUBSTRATE SURFACE MODIFICATION UTILIZING A DENSIFIED FLUID AND A SURFACE MODIFIER - Described are methods for modifying the surface properties of a polymer substrate by exposing the substrate to a densified fluid and a surface modifying agent. The densified fluid may be densified carbon dioxide and the surface modifying agent may be one which reduces the surface tension of the polymer substrate, for example as incorporated into a medical device such as a catheter. | 03-10-2011 |
20110071500 | BRANCHED CATHETER TIP - A venous access device comprises a catheter portion extending longitudinally from a proximal end to a distal end, the flexible shaft defining a lumen therein in combination with a plurality of branches separated from one another and extending distally from the flexible shaft. | 03-24-2011 |
20110071501 | MEDICAL DEVICE MANUFACTURING METHOD AND MEDICAL DEVICE ASSEMBLY - A medical device in which a part to be secondarily shaped comprises a molded silicone rubber article is subjected to heatless shaping by irradiation with electron-rays. The irradiation with electron-rays enables shaping and, furthermore, sterilization under some conditions. In a medical device comprising a part in which at least a silicone rubber is used and the mechanical properties of the silicone rubber preferentially appear, the shape of the above-described part upon molding is deformed with the use of a correcting member to a level exceeding the desired deformed shape and maintained in this state. Next, electron-ray irradiation is conducted in this state and then the correcting member is eliminated. Thus, the desired deformed shape intermediate between the shape upon the molding and the shape upon the electron-ray irradiation can be obtained. | 03-24-2011 |
20110077619 | VASCULAR FILTER WITH IMPROVED STRENGTH AND FLEXIBILITY - Apparatus for treating a patient having an obstruction in a first blood vessel through which blood normally flows in a given direction, at a location downstream of a branch point where the first blood vessel and a second blood vessel branch off from a main blood vessel. The apparatus includes: a guide catheter insertable into the first blood vessel to a point upstream of the branch point; first and second filters insertable through the guide catheter for trapping debris in the first and second blood vessels; a guide wire insertable through the guide catheter into the first blood vessel to a location downstream of the branch point; and an obstruction removal assembly insertable into the first blood vessel over the guide wire to the location of the obstruction. | 03-31-2011 |
20110092955 | Pressure-Sensing Medical Devices, Systems and Methods, and Methods of Forming Medical Devices - Medical devices, perfusion systems, and methods for detecting a pressure within a space in a subject and for perfusion of fluid into a space in a subject. The space may be a fluid-filled space, or a space that is depleted of fluid due to an obstruction to fluid flow into the space. Methods for forming the medical devices. | 04-21-2011 |
20110112514 | CATHETER WITH A PRE-SHAPED DISTAL TIP - Catheters having a pre-shaped tip configuration are disclosed. A catheter in accordance with an illustrative embodiment of the present invention can include an elongated tubular shaft equipped with a distal tip section having a pre-shaped tip configuration that can be used to facilitate tracking of the device through particular locations of the vasculature. The catheter may include a number of features that transition the stiffness and flexibility characteristics of the device and provide a means to radiographically visualize the catheter within the body. | 05-12-2011 |
20110125133 | Catheter Components and Assembly - A catheter assembly is provided with a stress relief collar for relieving stress due to differences in rigidities of a catheter and coupled fitting. The stress relief collar is provided with an integral clip of the same or a similar soft material. The catheter can be coiled and held in the clip, the flexibility of the latter making it easy to fit and remove coils therefrom with little risk of damage to the catheter. | 05-26-2011 |
20110130745 | CATHETER HOLE HAVING AN INCLINED TRAILING EDGE - A catheter having a catheter body with a lumen and a distal lumen opening. The catheter's lumen extends through the catheter body along a longitudinal axis of the catheter body. A hole is formed through a wall of a distal portion of the catheter body. A portion of the proximal surface of the hole is inclined at an acute angle with respect to the longitudinal axis of the catheter body. The acute angle of the proximal hole surface opens proximally with respect to the catheter body. | 06-02-2011 |
20110137292 | C-Channel to O-Channel Converter for a Single Operator Exchange Biliary Catheter - A catheter system for use during biliary procedures, including a first elongate member carrying a guidewire lumen, and a channel extending longitudinally along the member which provides access to the guidewire lumen and defines two edge surfaces. A second elongate member is also included which is disposed within the guidewire lumen and mates with the cross-sectional profile of the guidewire lumen of the first elongate member, thereby converting a guidewire lumen having a C-shaped design into one having an O-shaped design. The catheter may be used in rapid exchange catheter procedures requiring the use of small diameter guidewires which would otherwise slip out of the channel during use. | 06-09-2011 |
20110137293 | DISTAL PART GUIDING CATHETER - Provided is a guiding catheter inserted into the closest part of a target vessel to easily perform various operations when an intervention is operated in the vessel, and including a circular hole for blood circulation to secure normal blood flow of a target organ when a blood flow occlusion phenomenon due to reduction in inner diameter of the vessel occurs. | 06-09-2011 |
20110144623 | PERCUTANEOUS GASTROSTOMY PROBE WITH INTERNAL COLLAR AND BIODEGRADABLE END PIECE - The invention relates to a percutaneous gastrostomy probe with a tube ( | 06-16-2011 |
20110172642 | Occlusion Resistant Catheter - Catheters configured to minimize, prevent, disrupt, and/or treat thrombus accumulation and subsequent occlusion are disclosed. Such catheters include at least one sidewall cut extending to the catheter distal end that forms catheter sidewall portions that move relative to each other when subjected to a force greater than a threshold force. | 07-14-2011 |
20110190731 | Method for Fluid Delivery and Catheters for Use with Same - A pain management system for the infusion of drug to a wound site includes a pump connected to medical tubing which is connected to an improved infusion catheter for providing uniform delivery of fluid throughout an anatomical region. The infusion catheter is inserted into the body of a patient at a pierce site, spaced from an incision site, and extended to the wound site. The pump causes the drug to flow through the medical tubing, through the infusion catheter and to the wound site. One method by which the infusion catheter is advanced to the wound site includes a guide needle that is placed within an introducer tubing. The needle is pierced through the patient's skin, after which the guide needle is withdrawn and discarded, leaving the introducer tubing in place partially under the patient's skin. The infusion catheter is then threaded through the introducer tubing and advanced to the wound site. The introducer tubing is then withdrawn and the infusion catheter remains in place to provide drug to the wound site. The introducer tubing is preferably peeled off of the infusion catheter and discarded. In accordance with one embodiment of the catheter, the catheter comprises an elongated tube with a plurality of exit holes along an infusion section of the catheter, and an elongated flexible porous member residing within the tube and forming an annular space between the tube and the member. In accordance with other embodiments, the catheter includes a tube having a plurality of exit holes in a side wall of the tube. The exit holes may combine to form a flow-restricting orifice of the catheter. Advantageously, fluid within the catheter flows through all of the exit holes, resulting in uniform distribution of fluid within an anatomical region. | 08-04-2011 |
20110202037 | FLUID DELIVERY CATHETER APPARATUS - An apparatus for delivering a medicated fluid or ointment to a target region of the paranasal sinuses. A flexible dual lumen catheter is provided. A first lumen is releasably attachable to a fluid source. A second lumen is substantially adjacent and parallel to the first lumen, and releasable accepts a deformable member, such as a malleable wire. By bending the deformable member into a desired shape, the flexible second lumen and, in turn, the adjacent flexible first lumen, assume a curvature approximating that of the deformable member. Further, a rigid delivery assembly is provided having a catheter assembly and a plurality of adaptors. | 08-18-2011 |
20110208163 | Pressure Sensing in Implantable Medical Devices - An implantable medical device for delivering a therapeutic substance to a delivery site in a patient. A reservoir holds a supply of the fluid therapeutic substance. A catheter has a proximal end, a delivery region and a lumen extending from the proximal end to the delivery region. The proximal end of the catheter is operatively coupled to the reservoir. The delivery region of the catheter is adapted to be placed proximate the delivery site in the patient. The therapeutic substance is adapted to be delivered through the lumen to the patient. A sensing device is operatively coupled with the lumen of the catheter being capable of detecting a pressure of the therapeutic substance in the lumen. A controller is operatively coupled to the sensing device, the controller being capable of taking an action in response to the pressure in the lumen. | 08-25-2011 |
20110208164 | Melt-Bonded Joint for Joining Sheaths Used in Medical Devices, and Methods of Forming the Melt-Bonded Joint - Joint assemblies for joining sheaths for use in medical devices are provided, as are methods of manufacturing the joint assemblies. An elongate first sheath has a distal end portion having melt bonding material. A second sheath has first and second end portions, the second end portion having melt bonding material. An outer sleeve body includes proximal and distal engaging portions that have melt bonding materials. The proximal engaging portion is disposed about and melt bonded to the first sheath distal end portion. The distal engaging portion is disposed about and melt bonded to the second sheath proximal end portion. In one embodiment, one or both sheaths have an inner layer, a coiled middle layer optionally stopping short of the joint assembly, and an outer layer that has said melt bonding materials. In one embodiment, the sheaths are used in a rapid insertion catheter delivery system. | 08-25-2011 |
20110208165 | Seal for controlling irrigation in basket catheters - An exemplary basket catheter includes an outer tubing housing an inner fluid delivery tubing having at least one fluid delivery port. A plurality of splines are each connected at a proximal end of the splines to the outer tubing and at a distal end of the splines to the inner fluid delivery tubing. The inner fluid delivery tubing is operable to be moved in a first direction to expand the splines; and in a second direction to collapse the splines. A porous membrane is provided over at least a portion of the inner fluid delivery tubing. A seat is provided at a proximal end of the porous membrane between the porous membrane and the outer tubing and between the porous membrane and the inner fluid delivery tubing, the seal configured for irrigating between the plurality of splines of the basket catheter while preventing fluid ingress into the outer tubing. | 08-25-2011 |
20110213338 | Nasogastric tubes - A nasogastric tube having a proximal end and a distal end portion includes an outer tube and an inner element. The inner element is disposed in the outer tube and is movable rotationally and translationally with respect to the outer tube so that the outer tube and inner element interact to vary the shape of the distal end portion of the nasogastric tube to facilitate the movement of the nasogastric tube from the point of insertion at least to the stomach of the living being on which it is being used. The outer tube is moved with respect to an inner element such that distal end portions of the outer tube and inner element form desired shapes corresponding to the interior anatomy of a living being independent of the actual shape of said anatomy. The distal end portions of the outer tube and inner element are both curved or curvable. | 09-01-2011 |
20110213339 | ASSEMBLY AND METHOD FOR DISINFECTING LUMENS OF MEDICAL DEVICES - The invention relates to an assembly for sterilizing surfaces and lumens of a medical device with a light source. The light source can emit light that reduces the number of or removes micro organisms from the lumen and/or surfaces of the medical device. The invention relates to an assembly comprising—a medical device for transporting fluids having a lumen and a first connector part, and—at least one light source configured to emit light having bactericidal effect which light source has a corresponding second connector part, and comprises an optical window being transparent for light from the light source allowing the light to the inlet of the lumen of the medical device and protecting the light source from liquid gaining access to the light source,—a separate non-transparent unit being provided with a first coupling part and a second coupling part, where the first coupling part of the separate non-transparent unit during use is joined to the corresponding connector part ( | 09-01-2011 |
20110224649 | Catheter Having Improved Traceability - Embodiments hereof relate to a catheter having a metal hypotube proximal shaft and a radio frequency identification (RFID) integrated circuit electrically connected to the metal hypotube such that the metal hypotube operates as an antenna for transmitting and receiving modulated RF signals between the RFID integrated circuit and an external receiver configured to read the electronic identification information carried by the RFID integrated circuit. The hypotube and RFID integrated circuit are embedded in a luer hub of the catheter. The RFID integrated circuit contains electronic identification information such as model/serial number, manufacturing information and other summary information for improving traceability of the catheter and removing paper work associated with product tracking. | 09-15-2011 |
20110230859 | ASPIRATION CATHETERS FOR THROMBUS REMOVAL - Systems for less invasive medical procedures comprise a filter device mounted on an integrated guiding structure and an aspiration catheter. These components can be used together or separately, and the system can be used with other medical devices that are designed for less invasive procedures, such as procedures in a patient's vasculature. The filter device can involve improved torque coupling with a torque coupler associated with a resilient member that correspondingly also provides increased flexibility relative to an overtube that forms a tube for the remaining portions of the device. An actuation tool for the filter device used a systematic loading procedure for proper loading of the corewire and overtube into the actuation tool. A fiber cartridge comprises fibers loaded as a bundle into the cartridge for delivery with the ends of the fibers respectively bonded to radiopaque markers that can be visualized to come together when the filter is properly deployed. The aspiration catheter generally has a rapid exchange format. The catheter can have a radiopaque band that is held in place under metal wire embedded within the polymer forming the tube of the catheter. In some embodiments, the aspiration catheter has a small diameter distal portion that can access into small diameter vessels in which the distal portion has a smaller average diameter than the remaining tube of the catheter. | 09-22-2011 |
20110230860 | SELECTIVE SURFACE MODIFICATION OF CATHETER TUBING - A catheter shaft and methods for making and using the same. The catheter shaft may include a core portion, a cap portion, and one or more lumens. The cap portion may be disposed on or over a section of the core portion and define a region with a different exterior or interior surface characteristic. For example, the cap portion may define a lubricious region along the catheter shaft. Manufacturing the catheter shaft may include a modified co-extrusion process that incorporates a flow valve on at least one of the material supply lines so that the supply line can be regulated by a user. | 09-22-2011 |
20110245805 | CURVED CANNULA - The cross section of a curved portion of a curved cannula is oval shaped. The oval is oriented such that a major axis of the oval is generally aligned with the curved portion's bend radius. In one aspect, the cannula tube is ovalized so that the radius of curvature of an interior wall approaches the outer radius of an instrument component that contacts the curved portion during instrument insertion. In this first aspect, a wider contact patch area between the instrument component and the cannula results, which reduces friction and stick-slip during insertion. In another aspect, the cannula tube is ovalized so that the radius of curvature of an interior wall is less than the outer radius of an instrument component that contacts the curved portion during instrument insertion. In this second aspect, two contact patches are established between the instrument component and cannula, which also reduces friction and stick-slip during instrument insertion. Also disclosed is a cannula orientation marking that changes circumferential orientation along a length the curved cannula to help a person who is inserting the cannula to properly twist the cannula during insertion. | 10-06-2011 |
20110264074 | FIVE DEGREE OF FREEDOM ULTRASOUND CATHETER AND CATHETER CONTROL HANDLE - Catheter ultrasound systems including a sheath, a handle, a sheath lumen, and an ultrasound catheter disposed within the lumen of the sheath with ultrasound elements capable of visualizing anatomical regions. The handle allowing the ultrasound catheter to rotate with respect to the sheath using a rotation adjustment knob within the handle or alternatively an separate manipulation handle attached to the proximal end of the ultrasound catheter. The sheath, ultrasound catheter, or both may also include one or more electrodes or other location sensor for both orienting the ultrasound element as well as for diagnostic purposes. | 10-27-2011 |
20110270228 | APPARATUS AND METHOD OF MAKING A VARIABLE STIFFNESS MULTILAYER CATHETER TUBING - A catheter body having a variable stiffness along its longitudinal length and a method for manufacturing same is disclosed wherein an inner layer having an uninterrupted length serves as a backbone for segments of coextrusion of, e.g., Pebax or nylon and a tie layer which are then bonded to the backbone to create a multi-stiffness catheter body. | 11-03-2011 |
20120022501 | MULTI-LUMEN CATHETER WITH PROTECTED TIP - A multilumen catheter assembly including an elongated body defining a first lumen having a sidewall extending between its proximal end and a first lumen distal end proximate the body distal end and a first distal opening disposed proximate the first lumen distal end, and a second lumen connected to the sidewall and extending between the proximal end and a second lumen distal end proximate the body distal end, the second lumen distal end distal of the first lumen distal end. The second lumen includes a second distal opening disposed distally of the first distal opening. A self-expanding protector adjoins the elongate body distally of the first distal opening and extends from an inner edge along the elongate body outwardly and proximally to a free proximal edge that extends circumferentially about the elongate body proximate the first distal opening. The protector defins through-ways that permit blood flow past the protector. | 01-26-2012 |
20120029474 | SEALING FOR MEDICAL DEVICES/INSTRUMENTS - A seal member for assembly within, or a seal zone portion of, a lumen of a medical instrument/device includes a slit segment and a bore, wherein the slit segment intersects with a funnel-like segment of the bore. | 02-02-2012 |
20120029475 | Drug Combinations Useful for Prevention of Restenosis - The current invention comprises an approach to solving the clinical problem of restenosis, which involves the administration of combinations of drugs to patients undergoing PTCA or stent implantation. In one embodiment of the invention, an antiproliferative agent such as rapamycin, vincristine or taxol is administered in combination with the anti-inflammatory agent, dexamethasone, to patients systemically, either subcutaneously or intravenously. In another embodiment of the invention, the antiproliferative and anti-inflammatory agents are bound in a single formulation to the surface of a stent by means of incorporation within either a biodegradeable or biostable polymeric coating. Alternatively, such drug combinations could be incorporated into a stent constructed with a grooved reservoir. | 02-02-2012 |
20120041419 | TRIMMABLE CATHETER INCLUDING DISTAL PORTION STABILITY FEATURES - A catheter tube for insertion into a body of a patient is disclosed. The catheter tube includes a distal portion that remains stable during fluid infusion into the patient, thus reducing or eliminating whipping of the catheter distal tip, even during power injection. In one embodiment, the catheter tube defines at least one lumen and is formed from a tube material that defines a proximal portion and a distal portion of the catheter tube. The catheter tube is configured such that the arithmetic product of an elastic modulus and an area moment of inertia for at least a portion of the distal portion of the catheter tube defined by the catheter tube material is greater relative the arithmetic product of an elastic modulus and an area moment of inertia for at least a portion of the proximal portion of the catheter tube. | 02-16-2012 |
20120065621 | DOUBLE LUMEN TUBING WITH IMPROVED KINKING RESISTANCE - The present invention relates to a double lumen catheter tube having a substantially circular cross-section and comprising a catheter tube body having a longitudinal axis, and further comprising an outer tubular and an inner divider wall inside the catheter tube body dividing said catheter tube body into a first and a second lumen. The first and the second lumen each comprise a cross section having the shape of an isosceles triangle with three rounded vertices. The tubular wall comprises wall sections that have a smaller wall thickness. | 03-15-2012 |
20120071861 | SECURITY TIP FOR VASCULAR CATHETER AND METHOD OF USING SAME - A method of maintaining a locking fluid in an implanted catheter including positioning a catheter assembly in a patient, the catheter assembly including a first lumen having a closed first distal end and a first proximal end, and a second lumen having a closed second distal end and a second proximal end and injecting the locking fluid into the first and second proximal ends at a low pressure such that the locking fluid enters each lumen without opening the respective closed distal end. A method of withdrawing the locking fluid is also provided. | 03-22-2012 |
20120089123 | ADVANCED MULTI-PURPOSE CATHETER PROBES FOR DIAGNOSTIC AND THERAPEUTIC PROCEDURES - Various embodiments are described herein that generally relate to catheter probes for diagnostic and/or therapeutic purposes. The catheter probes described herein generally comprise a proximal hub comprising a hub housing and at least one wire, a catheter body connected to the proximal hub, the catheter body comprising a channel member and an insulator, the channel member being adapted to provide a housing for a portion of the catheter body and a conductive pathway, and the insulator being adapted to cover at least a portion of the channel member; and a catheter distal end comprising at least one electrode connected to the at least one wire. | 04-12-2012 |
20120089124 | Catheter for Uniform Delivery of Medication - The present invention provides a catheter for the delivery of fluid medication across an anatomical region. In accordance with some embodiments, the catheter includes a tube having a plurality of exit holes in a side wall of the tube and an elongated member positioned within the tube. The exit holes combine to form a flow-restricting orifice of the catheter. Advantageously, fluid within the catheter flows through all of the exit holes, resulting in uniform distribution of fluid within an anatomical region. | 04-12-2012 |
20120089125 | Bi-Directional Catheter Steering Handle - A deflectable sheath for use in medical procedures in the vasculature is described. The sheath includes a handle supporting the sheath. Two pull wires run along opposite sides of the sheath to anchors at the deflectable distal end. The handle includes a rotatable member that moves a threaded slider block in a back and forth translational manner. As that translational movement occurs, force is applied to either one or the other of the pull wires to cause deflection of distal end of the sheath in either and upwardly or a downwardly direction with respect to the longitudinal axis of the sheath. | 04-12-2012 |
20120095446 | CANNULAR DEVICE AND METHOD OF MANUFACTURE - A cannula comprising a polymeric material which is phthalate-free, yet retains flexibility, workability and elongation properties so as to avoid kinking when bent. Also disclosed is a method of manufacturing a cannular device comprising extruding a flexible, biocompatible, phthalate-free polymeric composition through a round die into a tube, pulling the tube through a water bath at a rate established according to a predetermined function, and cutting the tube to for a cannular device, wherein the predetermined function periodically modulates a pulling rate. | 04-19-2012 |
20120123389 | Adjustable Length Access Sheath - An adjustable length sheath and a method for adjusting the length of a sheath is disclosed. The adjustable length sheath is primarily designed for uretral access, and for the insertion of a dilator or other medical equipment. The adjustable length sheath has a proximal end with circumferential grooves cut lateral to the axis of said sheath such that it is possible to snap off a portion of the proximal end to adjust the length of the sheath. The proximal end may have a lower degree of flexibility than the main body of the sheath to allow the end to be more easily broken and may be made from a different, less flexible material, than the main body of the sheath. | 05-17-2012 |
20120136339 | PROTECTIVE SLEEVE FOR A CATHETER - The invention relates to a protective sleeve ( | 05-31-2012 |
20120157969 | SPIRAL FLOW INFUSION CANNULA - An infusion cannula adapted to generate a spiral, laminar flow therein. In some implementations, the infusion cannula may include one or more flow-altering devices disposed within a passageway of the cannula. The flow-altering devices may include one or more blades adapted to form a spiral flow in the laminar flow regime. In some instances, the flow altering-device may include one or more baffles. Further, in other instances, the flow altering device may include a flow tube. The flow tube may be disposed tangential to a passageway of the cannula. | 06-21-2012 |
20120157970 | SPIRAL FLOW INFUSION CANNULA - An infusion cannula adapted to generate a spiral, laminar flow therein. In some implementations, the infusion cannula may include one or more flow-altering devices disposed within a passageway of the cannula. The flow-altering devices may include one or more blades adapted to form a spiral flow in the laminar flow regime. In some instances, the flow altering-device may include one or more baffles. Further, in other instances, the flow altering device may include a flow tube. The flow tube may be disposed tangential to a passageway of the cannula. | 06-21-2012 |
20120165788 | MEDICAL DEVICE DELIVERY CATHETER - Apparatus for delivering a medical device to a location in a patient's body includes an elongate catheter body having a proximal end and a distal end, a pod coupled with the distal end of the catheter body and adapted to house the medical device during delivery to the location and to open to release the medical device, and at least one distal actuator coupled with at least one of the pod and the medical device. The distal actuator is adapted to promote opening of the pod. A method involves advancing a pod at the distal end of an elongate catheter to the location within the body and activating an actuator coupled with the pod and/or the medical device to cause the pod to open. Opening the pod releases the medical device. | 06-28-2012 |
20120172840 | Hydrophobic catheter and composition - In various embodiments, a surgical catheter is provided. The catheter may comprise one or more hydrophobic barrier layers made from an ethylene-pertfluoroethylenepropylene (“EFEP”) copolymer. Additionally, the catheter may comprise another polymer layer made from a reactive polar polymer. In at least one embodiment, the reactive polar polymer may be a modified-poly(ether block amide) (“PEBA”) copolymer, such as an amine-terminated PEBA. Moreover, in various embodiments, a composition is provided that may comprise a reactive polar polymer bonded to an EFEP copolymer. | 07-05-2012 |
20120232526 | MULTIPLE LUMEN ASSEMBLY FOR USE IN ENDOSCOPES OR OTHER MEDICAL DEVICES - An endoscope or other medical device includes a number of lumens positioned in an outer shaft. The lumens are formed as a multiple lumen assembly. In one embodiment, individual lumens are connected to each other with a sheet or webbing material. The lumen assembly is rolled or folded along its length for incorporation into the outer shaft of the medical device. The sheet or webbing material may be notched or perforated to facilitate folding the lumen assembly and/or separating individual lumens from the lumen assembly. | 09-13-2012 |
20120239002 | Catheter With Deflectable Cap - A catheter system for delivery of a medical implant, the system including a cap removably covering an open distal end of a catheter. An elongate actuator wire is fixedly attached to the cap, extends through a lumen of the catheter, and has a distal region that can assume a pre-formed shape when unconstrained by the catheter lumen. The pre-formed shape of the wire distal region defines a bend adapted to laterally deflect the cap from the catheter distal end when assuming the pre-formed shape. At least a portion of the lumen adjacent the catheter distal end is sized and shaped to slidably receive the medical implant alongside the actuator wire. A push rod extends through the catheter lumen for ejecting the medical implant from the catheter distal end. Methods of using the invention are also disclosed. | 09-20-2012 |
20120245562 | CATHETER HAVING A SPIRAL SLIT - A catheter having a catheter body with a lumen and a distal lumen opening. The catheter's lumen extends through the catheter body along a longitudinal axis of the catheter body. A spiral slit is formed through a wall of the catheter body. | 09-27-2012 |
20120259316 | CATHETER - A catheter in accordance with one embodiment of the invention includes a first end, a second end, and a body, which comprises one or more segments, disposed between said first end and said second end, wherein at least one of the one or more segments has a first section and a second section, wherein the first section has a first tapered surface with a diameter increasing from a first edge to a ridge and a second section has a second tapered surface with a diameter decreasing from the ridge to a second edge, and wherein a first volume enclosed between said first tapered surface in the first section and an imaginary cylinder circumscribing the ridge is smaller than a second volume enclosed between the second tapered surface in the second section and the imaginary cylinder. | 10-11-2012 |
20120310212 | CAROTID SHEATH WITH FLEXIBLE DISTAL SECTION - The present invention is a carotid sheath that has a proximal portion that is stiffer than the distal portion of the sheath as a result of the proximal portion having a higher durometer of the outer plastic coating of the sheath's proximal portion with a lower durometer for the plastic coating on the more flexible distal portion of the sheath. Another means to increase the flexibility of the sheath's distal portion compared to a stiffer proximal portion is by having a slightly smaller outside diameter for the outer plastic coating of the distal portion of the sheath. A more flexible distal portion of the sheath allows easier access for angiography, angioplasty or stenting when the sheath is used to access the tortuous path encountered when entering the carotid arteries. | 12-06-2012 |
20120323225 | INTERNAL DEVICE FOR INJECTION AND SAMPLING OF A LIQUID INSIDE A LIVING ORGANISM - The invention concerns a device to inject and/or to take a sample, with the aid of a needle, of a liquid inside the organism of a living being, through the skin in a repeated manner. | 12-20-2012 |
20130012923 | DEFLECTABLE SHEATH CATHETERS - The present invention provides devices and methods for the treatment of atrial fibrillation. In one embodiment a deflectable sheath catheter includes an elongate catheter body having proximal and distal ends, the distal end having a distal tip region that includes a plurality of flexible segments with varying degrees of stiffness. A handle portion can be located at the proximal end of the catheter body to provide a steering mechanism that causes the distal tip region to deflect according to a compound curve. | 01-10-2013 |
20130046284 | SEALING FOR MEDICAL DEVICES/INSTRUMENTS - A seal member for assembly within, or a seal zone portion of, a lumen of a medical instrument/device includes a slit segment and a bore, wherein the slit segment intersects with a funnel-like segment of the bore. | 02-21-2013 |
20130053825 | CATHETER HAVING A PRESSURE ACTIVATED SPLITTABLE FEATURE - A catheter having a catheter body with a lumen and a distal lumen opening. The catheter's lumen extends through the catheter body along a longitudinal axis of the catheter body. A splittable feature is formed within a wall of the catheter body. | 02-28-2013 |
20130053826 | SYSTEMS AND METHODS TO INCREASE RIGIDITY AND SNAG-RESISTANCE OF CATHETER TIP - A venous catheter having a catheter tip comprising recessed diffusion holes for increasing the snag-resistance of the venous catheter. The invention further provides systems and methods for providing axial ridges interposed between diffusion holes for increasing the rigidity of the vented catheter tip. | 02-28-2013 |
20130072904 | MICROMACHINED MEDICAL DEVICES - Medical devices that include micromachined hypotubes or that have themselves been micromachined can provide advantages in flexibility, strength and other desirable properties. Examples of such medical devices may include catheters such as guide catheters and balloon catheters. Such devices may also include dual shaft medical devices in which an outer shaft is reversibly lockable onto an inner shaft. | 03-21-2013 |
20130079751 | Irrigation System and Clip for a Surgical Instrument - An irrigation system for a surgical instrument includes an irrigation tube arranged to convey an irrigation fluid and an irrigation clip structurally arranged to receive a portion of the irrigation tube. The irrigation clip includes a proximal portion, a distal portion, a body portion, and an arm portion. The arm portion is structurally configured to selectively attach the irrigation clip to the surgical instrument and to bias the irrigation clip toward the surgical instrument with a biasing force. The irrigation clip includes a tube locking portion structurally arranged to cooperate with the surgical instrument to engage the outer surface portion of the irrigation tube to inhibit rotation and axial displacement of the irrigation tube relative to the irrigation clip in response to the biasing force. | 03-28-2013 |
20130079752 | Solid-Body Catheter Including Lateral Distal Openings - A split-tip catheter for placement within the vasculature of a patient and for use in hemodialysis or other suitable procedures is disclosed. In one embodiment, the split-tip catheter includes a catheter body that defines a first lumen and a second lumen. The catheter body further comprises a split distal region, including a venous segment and an arterial segment. The venous segment includes a recess extending proximally of a nose portion; and a lateral opening in fluid communication with the first lumen. The arterial segment also includes a lateral opening, is separate from the venous segment, and is removably seatable in the recess provided by the venous segment. In one embodiment, the distal region is un-split, but includes symmetrically opposed lateral openings, as well as distal openings, in communication with the first and second lumens for providing a functional stagger for blood flow in both forward and reverse catheter flow directions. | 03-28-2013 |
20130085477 | CATHETER WITH TAPERING SURFACES - A catheter has an elongated tubular body and a septum. The elongated tubular body defines a longitudinal axis and includes a first wall defining a first lumen and a second wall defining a second lumen. The first lumen and the second lumen communicate with first and second distal openings, respectively. The septum separates the first and second lumens. One or both of the first and second walls includes a side opening. The side opening is fluid communication with one of the first and second lumens. The side opening has an external aperture and an internal aperture. The internal aperture is smaller in dimension than the external aperture. | 04-04-2013 |
20130085478 | CATHETER WITH EXTERNAL FLOW CHANNEL - A catheter is provided which includes a body having a proximal end, a distal end and a sidewall defining at least one lumen. The catheter body has at least one side opening formed through the sidewall at a location spaced proximally from the distal end. The at least one side opening communicates with the at least one lumen. A recess extends along the sidewall and communicates with the at least one side opening such that the recess defines a fluid pathway into the side opening. | 04-04-2013 |
20130110085 | Catheter With Proximally Adjustable Length | 05-02-2013 |
20130138084 | RELEASE DEVICE FOR DETACHING A MEDICAL IMPLANT FROM AN INSERTION DEVICE AND AN INSERTION DEVICE COMPRISING A RELEASE DEVICE - A release device ( | 05-30-2013 |
20130190730 | CATHETER AND CATHETER SYSTEM - A catheter comprising an elongated catheter body which has a distal end and a proximal end in respect of an operating position, wherein the catheter body comprises an inner tube and an outer tube which is displaceable relative thereto, and a deformation body is disposed on the distal end which is connected in the distal region thereof to the distal end of the inner tube, and in the proximal region thereof to the distal end of the outer tube. | 07-25-2013 |
20130261604 | CATHETER SHAFT COMPRISING WELDED TUBES - One embodiment of the invention relates to a catheter shaft comprising (i) a first tube made of an extrudable copolymer that has reactive groups, and (ii) a second tube made of a polymeric material, which can be welded to the first tube, wherein the polymeric material of the second tube can be welded to the first tube at a temperature ≦200° C. | 10-03-2013 |
20130261605 | Multi-Lumen Catheter with Enhanced Flow Features - A multi-lumen catheter including an elliptical cross-sectional profile configuration that enhances fluid flow rate while minimizing the average diameter of the catheter body is disclosed. In one embodiment the catheter includes an elongate catheter tube defining a plurality of lumens. At least a portion of the longitudinal length of the catheter tube may define an elliptical cross section, in turn defined by a major axis and a minor axis. In one embodiment, a ratio of the major axis to the minor axis of the elliptical cross section is between about 1.3 and about 1.4. The catheter body can define two, three, or more lumens. In one embodiment, a dual-lumen catheter tube includes an aspect ratio of about 1.1:1, and each lumen thereof includes an inner surface defined by a plurality of radii and an hourglass-shaped septum. | 10-03-2013 |
20130289531 | LUBRICIOUS MEDICAL TUBING - A composition of a polyamide and PTFE produces a lubricious surface on extruded medical tubing. The small size of the PTFE powder when compounded with polyamide disperses uniformly and produces an intrinsically lubricious polymer. Such a composition can be useful in medical, intralumenal tubing. | 10-31-2013 |
20130289532 | CATHETER HOLE HAVING A FLOW BREAKING FEATURE - A peripheral catheter having a catheter tip diffuser for reducing an exit velocity of an infusant within the catheter. Pluralities of diffusion side holes are provided on the tip portion of the catheter. Some examples further include pluralities of annularly arranged, staggered diffusion holes provided on the tip portion of an intravenous catheter to streamline infusant issued from the diffusion holes. An inner surface of each diffusion hole is further angled relative to the inner surface of the catheter lumen such that an infusant within the lumen exits the catheter though the diffusion holes at an angle less than 90°. | 10-31-2013 |
20130324971 | CORPOREAL CATHETER - A corporeal catheter comprising a catheter tube having a distal end to which a bolus is connected. The bolus contains a tip section and a tube connector section between which a bolus passage section is disposed. The bolus passage section has a passage therein which communicates through a radial port area with the outside of the generally tubular shaped bolus. The port area includes a port mouth which is elongated between opposed elliptical curved surfaces defining a concave arch. Opposite the concave arch port mouth, under the port is a convex stiffening arch on the bolus and axially aligned with it. | 12-05-2013 |
20140025041 | CORONARY ARTERY CATHETER AND ENGAGING METHOD THEREFOR - A coronary artery catheter adapted for introducing its distal end into a coronary ostium through an artery includes a catheter body with a lumen formed therein. The catheter body in a natural state includes: a proximal straight section extending distally from a proximal end of the catheter body; a first curved section extending distally from the proximal straight section while being curved; an intermediate straight section extending distally from the first curved section; a second curved section extending distally from the intermediate straight section while being curved; and a distalmost section extending from the second curved section to a distal end of the catheter body. The first curved section and the second curved section, when projected onto a plane on which the first curved section and the intermediate straight section are present, curve in the same direction. | 01-23-2014 |
20140025042 | Solid-Body Catheter Including Lateral Distal Openings - A split-tip catheter for placement within the vasculature of a patient and for use in hemodialysis or other suitable procedures is disclosed. In one embodiment, the split-tip catheter includes a catheter body that defines a first lumen and a second lumen. The catheter body further comprises a split distal region, including a venous segment and an arterial segment. The venous segment includes a recess extending proximally of a nose portion; and a lateral opening in fluid communication with the first lumen. The arterial segment also includes a lateral opening, is separate from the venous segment, and is removably seatable in the recess provided by the venous segment. In one embodiment, the distal region is un-split, but includes symmetrically opposed lateral openings, as well as distal openings, in communication with the first and second lumens for providing a functional stagger for blood flow in both forward and reverse catheter flow directions. | 01-23-2014 |
20140039463 | Adhesion Enhancement Additives for Liquid Crystal Polymer Compositions and Methods Relating Thereto - A liquid crystal polymer composition may comprise a liquid crystal polymer and an adhesion enhancement compound. Such a liquid crystal polymer may be utilized in layered articles, molded articles, and like and products like solar cells, optoelectronic structures, medical equipment, and tubing. Further, ethylene vinyl acetate adhesives may be utilized in some of the layered articles. | 02-06-2014 |
20140046300 | LOW PROFILE AGENT DELIVERY PERFUSION CATHETER HAVING A FUNNEL-SHAPED MEMBRANE - An agent delivery catheter and method configured to deliver an agent to an inner surface of a patient's body lumen wall by forming a funnel shaped agent containment chamber around at least one portion of the inner surface of the body lumen wall, while minimizing ischemic conditions during the procedure. | 02-13-2014 |
20140074069 | METHODS AND SYSTEMS FOR TREATING ACUTE HEART FAILURE BY NEUROMODULATION - Methods of treating acute heart failure in a patient in need thereof. Methods include inserting a therapy delivery device into a pulmonary artery of the patient and applying a therapy signal to autonomic cardiopulmonary fibers surrounding the pulmonary artery. The therapy signal affects heart contractility more than heart rate. Specifically, the application of the therapy signal increases heart contractility and treats the acute heart failure in the patient. The therapy signal can include electrical or chemical modulation. | 03-13-2014 |
20140107622 | CATHETER WITH DIRECTED FLOW DESIGN - A catheter includes an elongated catheter body having a proximal portion and a distal portion. A first longitudinally accessible lumen and a second lumen extend side by side within and along the proximal portion, and the first lumen and the second lumen form a single common lumen within the distal portion which extends to a distal end of the distal portion. The first lumen and second lumen are co-axial within the distal portion prior to forming a single common lumen. | 04-17-2014 |
20140114286 | INTRODUCER SHEATH - A introducer sheath has a high centering performance that is relatively easily capable of introducing an elongated body such as a catheter into an appropriate position, and is capable of appropriately maintaining hemostasis and insertibility of a valve body. The introducer sheath includes a tubular member provided with a hollow section through which an elongated body is freely insertable, a hub that includes an inner space which communicates with the hollow section of the tubular member and is provided on a proximal side of the tubular member, a valve body that is placed in the inner space of the hub, and an annular member that contacts with the valve body to fix the valve body to the inner space and includes a through-hole into which the elongated body can be inserted. | 04-24-2014 |
20140128847 | OCULAR INFUSION SYSTEM - Systems, processes, and articles of manufacture may be used to perform ocular infusion. In particular implementations, a system for ocular infusion may include a length of flexible tubing and a tip adapted to be inserted into an eye. The flexible tubing may be adapted to convey an ocular infusion fluid and include a plurality of coils set in at least a portion thereof. The ocular tip may be coupled to a first end of the flexible tubing and adapted to convey ocular infusion fluid from the flexible tubing into an eye. | 05-08-2014 |
20140180254 | Distal Catheter Tip Formation - The present disclosure provides various embodiments of methods of forming a tapering distal tip for a catheter. An exemplary method includes providing a mandrel and a holding hypotube, placing a tip first material with a first outer diameter over the mandrel and the hypotube, placing a tip second material with a second outer diameter over the mandrel and under the first material, placing a shrink tube of heat-shrink material around at least a junction of the first material and second material, heating the shrink tube, cooling the first material and second material, and removing the shrink tube and the hypotube. The first outer diameter is greater than the second outer diameter. | 06-26-2014 |
20140194855 | Intravenous Therapy System and Method - An improved intravenous therapy system is disclosed. Said improved intravenous therapy system comprising an opaque shell and an opaque line shell. Said opaque shell wrapped around an IV compartment. Said opaque line shell wrapped around an IV line. Said IV compartment comprises an IV fluid. Said IV line delivers said IV fluid to a patient. | 07-10-2014 |
20140236122 | Elastic Introducer Sheath - An elastic percutaneous elastic introducer sheath is disclosed which can locally expand and reduce to accommodate a transcatheter medical device. The elastic introducer sheath includes a non-circumferentially continuous elastic frame, a liner, and a jacket. | 08-21-2014 |
20140257246 | MEDICAL APPARATUS AND METHOD OF MAKING THE SAME - A catheter assembly includes a catheter having a proximal end and a distal end; an expandable device releasably attached to the catheter near the distal end; a generally tubular constraining sleeve extending around and compressing the device to an outer peripheral dimension suitable for endoluminal delivery; a tip fixedly secured to the distal end of the catheter; and a bridge member disposed between the tip and the expandable device so as to fill a gap therebetween as the catheter assembly is bent during endoluminal delivery of the expandable device to a treatment site. | 09-11-2014 |
20140276641 | CATHETERES WITH HIGH-PURITY FLUOROPOLYMER ADDITIVES - The present invention provides catheter compositions that provide anti-thrombogenic properties while not adversely impacting mechanical properties. All embodiments of the present invention comprise a catheter that comprises a fluoropolymer additive with specific compositions and/or purity levels. | 09-18-2014 |
20140309623 | SELECTIVE SURFACE MODIFICATION OF CATHETER TUBING - A catheter shaft and methods for making and using the same. The catheter shaft may include a core portion, a cap portion, and one or more lumens. The cap portion may be disposed on or over a section of the core portion and define a region with a different exterior or interior surface characteristic. For example, the cap portion may define a lubricious region along the catheter shaft. Manufacturing the catheter shaft may include a modified co-extrusion process that incorporates a flow valve on at least one of the material supply lines so that the supply line can be regulated by a user. | 10-16-2014 |
20140336620 | MEDICAL DEVICES WITH A SLOTTED TUBULAR MEMBER HAVING IMPROVED STRESS DISTRIBUTION - Medical devices and methods for making and using the same. A medical device may include an elongate tubular member. The tubular member may include a first circumferential tube segment, a second circumferential tube segment disposed next to the first circumferential tube segment, and a third circumferential tube segment disposed next to the second circumferential tube segment. The first tube segment and the second tube segment may be separated by a first set of slots formed in the tubular member. The second tube segment and the third tube segment may be separated by a second set of slots formed in the tubular member. The second tube segment may be connected to the first tube segment with a proximally-extending beam formed in the tubular member. The second tube segment may also be connected to the third tube segment with a distally-extending beam formed in the tubular member. A ring may be defined in the second tube segment between the proximally-extending beam and the distally-extending beam. The ring may have a first portion with a first width and a second portion with a second width different from the first width. | 11-13-2014 |
20140343537 | CATHETERS WITH INTERMEDIATE LAYERS AND METHODS FOR MAKING THEM - Apparatus and methods are provided for making catheters having intermediate layers that minimize or eliminate gaps during layup. | 11-20-2014 |
20150011978 | INTRODUCER SHEATH - An introducer sheath is provided with a sheath tube which is formed of a tubular member provided with a hollow portion through which an elongated body is freely inserted and includes a distal portion having a tapering outer diameter and a main body portion having a constant outer diameter. The distal portion of the sheath tube includes a concave portion which is bent radially inward from an end portion, through which an elongated body protrudes, in a concave shape in a cross section parallel to an axial direction, and a convex portion which is contiguous to the concave portion and is bent radially outward in a convex shape in a cross section parallel to the axial direction. | 01-08-2015 |
20150025507 | MEDICAL DEVICE - Apparatuses of the type broadly applicable to numerous medical applications in which it is desirable to insert one or more steerable or non-steerable catheters or similar devices into a working channel of an associated device, such as an endoscope, catheter, etc., or passageway of a patient, are disclosed. The apparatuses may include catheters having a dedicated guide wire channel and one or more of the following: viewing capabilities, a working channel, and auxiliary channels, such as insufflation/irrigation channels. The catheters may include a guide wire channel that is configured to provide the catheter or other device with rapid exchange capabilities. | 01-22-2015 |
20150038946 | CATHETERS WITH HIGH-PURITY FLUOROPOLYMER ADDITIVES - The present invention provides catheter compositions that provide anti-thrombogenic properties while not adversely impacting mechanical properties. All embodiments of the present invention comprise a catheter that comprises a fluoropolymer additive with specific compositions and/or purity levels. | 02-05-2015 |
20150051586 | DOUBLE BAFFLE VASCULAR OCCLUDER - A vascular occluder includes first and second baffle members which are formed of an expansion device such as a stent across which extends an impermeable membrane. The baffle members are held at a given separation by spacer elements. The separation creates a chamber between the baffle members in which the blood is able to stagnate, thereby creating a second occlusion barrier. One of the baffle members may have an aperture within its membrane for receiving a delivery catheter for delivery of thrombogenic agent into the chamber. The occluder has a given length, thereby making it suitable for implantation in difficult vessel sections and is also able to avoid problems of recanalization of the vessel which can occur with prior art occluders. | 02-19-2015 |
20150057639 | CATHETERS AND CATHETER SHAFTS - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter shaft having an inner surface defining a lumen. A liner may be disposed within the lumen and along the inner surface. At least a portion of the liner may be radially spaced from the inner surface of the catheter shaft so that a space is defined therebetween. The liner may include an inner layer, an outer layer, and a polymeric reinforcing member. At least a portion of the polymeric reinforcing member may be disposed between an outer surface of the inner layer and an outer surface of the outer layer. The polymeric reinforcing member may have a melting temperature lower than the melting temperature of the inner layer, the outer layer, or both. | 02-26-2015 |
20150065998 | Catheter assembly comprising an aqueous solution of hydrogen peroxide - Provided is a catheter assembly with a dry and sterilized catheter with a hydrophilic coating covering at least a portion of the catheter in a first compartment, an aqueous swelling medium comprising an aqueous solution of hydrogen peroxide in a second compartment, and a packing structure comprising the first compartment and the second compartment. The two compartments are separate from each other but are in communication with each other such that when the second compartment is caused to release the aqueous swelling medium, the dry sterilized catheter is subjected to the aqueous swelling medium so as to wet the hydrophilic coating under sterile conditions. | 03-05-2015 |
20150065999 | Methods, Apparatuses and Systems for Caval Stenting for Venous Drainage - A self expanding cannula with improved drainage properties based upon its greater length is provided, along with methods of using the cannula in cardiopulmonary bypass. | 03-05-2015 |
20150073390 | MALLEABLE TIP FOR APPLYING AN AGENT TO A TARGET SITE - An applicator device for applying an agent to a target site with a malleable tip that can be cut to length with a pair of nursing dressing scissors or similar type of scissors and a malleable tip with a formable tube that that can be cut to length with a pair of nursing dressing scissors or similar type of scissors. The malleable tip is configured for passage of fluid therethrough and includes a malleable member. The malleable member is made of a soft metal that is strong enough to retain the shape of the tip after is has been bend into configuration, but soft and weak enough to be easily cut with a pair of nursing dressing scissors or the like. | 03-12-2015 |
20150088100 | Catheter Assembly Including a Multi-Lumen Configuration - A catheter assembly for use in accessing a vasculature of a patient is disclosed. In one embodiment, the catheter assembly includes a catheter body that includes a flattened oval outer surface and defines first and second lumens. The catheter body defines a distal tip region that includes a venous lateral opening that is in fluid communication with the first lumen and includes a distal-facing portion. The distal tip region further includes an arterial lateral opening that is in fluid communication with the second lumen, includes a distal-facing portion, and is substantially un-staggered with respect to the venous lateral opening. A distal end opening is in fluid communication with a power injectable third lumen. In another embodiment, the first and second lumens each generally include a reniform cross-sectional shape. In yet another embodiment, a dual-lumen catheter includes first and second lumens that each define a modified ellipse cross-sectional shape. | 03-26-2015 |
20150126971 | SHAFT FOR MEDICAL DEVICES AND CATHETER - The application relates to a shaft ( | 05-07-2015 |
20150126972 | CATHETER DEVICE - A catheter includes an elongate body having first and second chambers extending within the elongate body from a proximal end to an intermediate section, the first chamber having a first opening and the second chamber having a second opening at the intermediate section. The catheter also includes a valve structure that may have first and second barrier elements to open or close the first and second openings, respectively. The first and the second barrier elements may be coupled by a connecting structure moving within an opening in a guide structure. Alternatively, the first and the second barrier elements may be coupled in a U-shaped structure that moves over the guide structure. To permit flushing of the chambers when the first and second openings are closed, the first and second chambers may also be connected by a connecting channel defined by an opening in a wall of the elongate body. | 05-07-2015 |
20160022957 | Device and Method for the Ablation of Fibrin Sheath Formation on a Venous Catheter - An indwelling venous catheter and method capable of destroying undesirable cellular growth is provided. The catheter includes a shaft having at least one lumen and adapted to be placed inside a vein for long term use. A plurality of electrodes are positioned near a distal section of the shaft and are adapted to receive from a voltage generator a plurality of electrical pulses in an amount sufficient to cause destruction of cells in the undesirable cellular growth that have grown around the shaft. In one aspect of the invention, a probe is configured to be removably insertable into the at least one lumen and the electrodes are positioned near the distal section of the probe. | 01-28-2016 |
20160067385 | Coatings for Controlled Release of Highly Water Soluble Drugs - The present disclosure relates to a multilayer coatings that include a hydrophobic encasing layer and allow controlled release of a water soluble drug. The encasing layer encases water soluble, or hydrophilic, drugs with a flexible layer and comes in good intimate contact with the water soluble drug layer. Thus, the encasing layer conforms to the water soluble drug and can control the release of the drug. Advantageously, major cuts or fissures in the coating do not cause the water soluble drug to leak or burst out; rather, the encasing layer continues to provide modulated release of the drug. The present disclosure also includes methods of making the coating, methods of using the coating, and articles that include the coating. | 03-10-2016 |
20160082225 | Medical Elongated Body - A medical elongated body is disclosed, which can improve the operability by suppressing anisotropy of torque transmission performance in accordance with the rotational direction while maintaining flexibility. The medical elongated body has a proximal shaft, which extends in an axial center direction and includes at least a part of which a spiral slit is formed. The proximal shaft includes a site in which the spiral inclination angles, which are angles in an extending direction of a spiral of the slit with respect to a cross-section orthogonal to the axial center direction, are different from each other, and a stepped portion in which the angle of the slit changes locally with respect to the spiral inclination angle is formed on one opposed surface constituting the slit, and an abutting portion on which the stepped portion abuts when the proximal shaft is twisted. | 03-24-2016 |
20160095974 | Irrigation System And Clip For A Surgical Instrument - An irrigation system for a surgical instrument includes an irrigation tube arranged to convey an irrigation fluid and an irrigation clip structurally arranged to receive a portion of the irrigation tube. The irrigation clip includes a proximal portion, a distal portion, a body portion, and an arm portion. The arm portion is structurally configured to selectively attach the irrigation clip to the surgical instrument and to bias the irrigation clip toward the surgical instrument with a biasing force. The irrigation clip includes a tube locking portion structurally arranged to cooperate with the surgical instrument to engage the outer surface portion of the irrigation tube to inhibit rotation and axial displacement of the irrigation tube relative to the irrigation clip in response to the biasing force. | 04-07-2016 |
20160136389 | ACCESS PORT AND CATHETER ASSEMBLY INCLUDING CATHETER DISTAL PORTION STABILITY FEATURES - A stabilized catheter tube for insertion into a body of a patient. The catheter tube includes a distal portion that remains stable during fluid infusion into the patient, thus reducing or eliminating whipping of the catheter distal tip. In one embodiment, the catheter tube defines at least one lumen and is formed from a tube material that defines a proximal portion and a distal portion of the catheter tube. The catheter tube is configured such that the arithmetic product of an elastic modulus and an area moment of inertia for the distal portion of the catheter tube is greater relative the arithmetic product of an elastic modulus and an area moment of inertia for the proximal portion of the tube. In one embodiment, the catheter tube is operably attached to an implantable access port and includes an enlarged distal portion relative a proximal portion of the catheter tube. | 05-19-2016 |
20160158493 | Indicia Informative of Characteristics of Insertable Medical Devices - A system by which resource information relating to an insertable medical device, such as an intravascular catheter, can be identified by its source so as to be accessed by a practitioner, caregiver, or patient, is disclosed. In particular, a resource information key is included at a predetermined key location on or proximate to the medical device, wherein the key indicates the source of the resource information. In one example embodiment, therefore, an insertable medical device for establishing intravascular access to a patient, such as a peripherally inserted central catheter (“PICC”), is disclosed and comprises: an internal portion, and a portion external to the patient that includes a resource information key indicating a website where a user can acquire resource information relating to the medical device. In other embodiments indicia are provided as quick response (“QR”) codes, and as various markings to indicate compatibility of the medical device with ethanol. | 06-09-2016 |
20160175558 | Multiple Lumen Microcatheter Tube and Method for Manufacturing Multiple Lumen Microcatheter Tubes | 06-23-2016 |
20160250397 | ASPIRATION MAXIMIZING CATHETER | 09-01-2016 |
20160250445 | MULTIPLE LUMEN ASSEMBLY FOR USE IN ENDOSCOPES OR OTHER MEDICAL DEVICES | 09-01-2016 |
20220133329 | VARIABLE LENGTH VASCULAR OCCLUSION SYSTEM - A vascular occlusion system may include a microcatheter configured to navigate a vasculature, an elongate shaft slidably disposed within a lumen of the microcatheter, the elongate shaft having a lumen extending from a proximal end of the elongate shaft to a distal end of the elongate shaft, a plurality of occlusive medical devices releasably connected to the elongate shaft, and a release wire slidably disposed within the elongate shaft and at least a portion of each of the plurality of occlusive medical devices. The release wire secures each of the plurality of occlusive medical devices to the distal end of the elongate shaft when the release wire is disposed within at least a portion of each of the plurality of occlusive medical devices. | 05-05-2022 |