| Patent application number | Description | Published |
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| 20090187141 | RECIRCULATION MINIMIZING CATHETER - A flow control tip for a catheter comprises a partition dividing the catheter into first and second lumens, a first orifice fluidly connected to the first lumen and a second orifice fluidly connected to the second lumen, the first orifice being proximal to the second orifice, an elongate protrusion extending along a portion of the partition substantially along a centerline of the elongated body and a deflecting surface extending at an angle relative to the protrusion to direct flow from the first orifice away from the centerline. | 07-23-2009 |
| 20090292252 | Pressure Activated Valve for High Flow Rate and Pressure Venous Access Applications - A valve comprises a first housing including a first lumen extending therethrough and defining a first disk-facing surface and a second housing including a second lumen extending therethrough and defining a second disk-facing surface, the second housing being mated to the first housing so that the second disk-facing surface faces the first disk-facing surface in combination with a flexible disk gripped between gripping portions of the first and second disk-facing surfaces, the disk including a slit extending therethrough which, when acted upon by a fluid pressure of at least a predetermined threshold level opens to permit fluid flow between the first and second lumens and which, when acted upon by a fluid pressure less than the threshold level remains sealed preventing fluid flow between the first and second lumens and a relief well between opposing portions of the first and second housings radially outside the gripping portions, a width of the relief well exceeding a width of a radially outer portion of the flexible disk so that the radially outer portion of the disk is free to move therewithin. | 11-26-2009 |
| 20110054312 | Reinforced Venous Access Catheter - A catheter for medical procedures comprises a shaft portion having a distal end insertable into a body lumen, the shaft portion having a wall defining a working lumen extending therewithin and a first strengthening element coupled to the wall to increase a burst pressure of the shaft portion, wherein the first strengthening element cooperates with a base material of the wall to define a flexible region of the shaft portion allowing the shaft portion to be atraumatically inserted into the body lumen. | 03-03-2011 |
| 20110054448 | MEDICAL DEVICE CONTAINING CATHETER ANCHORING FEATURE - An indwelling drainage catheter is disclosed that is configured to include spiral, helical or radial geometry on the external surface that allows the catheter to be introduced and locked into the anatomy via threading, linear indexing or similar action. | 03-03-2011 |
| 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 |
| 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 |
| 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 |
| 20120231047 | THERAPEUTIC AGENT DELIVERY FOR THE TREATMENT OF ASTHMA VIA IMPLANTABLE AND INSERTABLE MEDICAL DEVICES - Methods for the treatment of asthma are provided, which comprise: (a) providing an implantable or insertable medical device that comprises an asthma treatment agent; and (b) inserting or implanting the medical device within the lungs (e.g., the trachea or the bronchial tree) of a patient, whereupon the therapeutic agent is delivered to the patient in an amount effective to reduce or eliminate the symptoms of asthma. Also disclosed herein are medical devices and kits for carrying out such methods. | 09-13-2012 |
| 20120232496 | High Flow Catheters - A catheter that comprises a hub, an elongated conduit, and at least one lumen therein. The lumen includes a proximal lumen section, a distal lumen section, and an intermediate lumen section extending between the proximal and distal lumen sections. The cross-sectional dimension of the intermediate lumen section is less than the cross-sectional dimension of the distal lumen section. In one embodiment, the cross-sectional dimension of the intermediate lumen section is less than the cross-sectional dimension of the proximal lumen section. In certain embodiments, the lumen tapers from the distal and/or proximal lumen sections to the intermediate lumen section. | 09-13-2012 |
| 20120245528 | CATHETER WITH POROUS CUFF - Disclosed is a catheter that includes a porous element. In one embodiment, the porous element comprises the same polymeric material as the catheter shaft. In another embodiment, the porous element comprises a porous polyurethane material. | 09-27-2012 |
| 20120245563 | HIGH FLOW CATHETERS - A catheter that comprises a hub, an elongated conduit, and at least one lumen therein. The lumen includes a proximal lumen section, a distal lumen section, and an intermediate lumen section extending between the proximal and distal lumen sections. The cross-sectional dimension of the intermediate lumen section is less than the cross-sectional dimension of the distal lumen section. In one embodiment, the cross-sectional dimension of the intermediate lumen section is less than the cross-sectional dimension of the proximal lumen section. In certain embodiments, the lumen tapers from the distal and/or proximal lumen sections to the intermediate lumen section. | 09-27-2012 |
| 20120259291 | MEDICAL FLOW DEVICE FOR MULTI-LUMEN CATHETERS - An apparatus for providing access to a target site in a living body, comprises a first elongated member including a proximal opening to a first lumen and a branching point at a distal end thereof and a second lumen open to the first lumen at the branching point, the second lumen extending to a second lumen distal opening at a first connector, the first connector configured to engage a proximal end of a first lumen of a multi-lumen catheter in combination with a third lumen open to the first lumen at the branching point, the third lumen extending to a third lumen distal opening at a second connector, the second connector configured to engage a proximal end of a second lumen of a multi-lumen catheter. | 10-11-2012 |
| 20120265173 | MEDICAL DEVICE CONTAINING CATHETER ANCHORING FEATURE - An indwelling drainage catheter is disclosed that is configured to include spiral, helical or radial geometry on the external surface that allows the catheter to be introduced and locked into the anatomy via threading, linear indexing or similar action. | 10-18-2012 |
| 20130220462 | Pressure Activated Valve for High Flow Rate and Pressure Venous Access Applications - A valve having a first housing including a first lumen extending therethrough and a first disk-facing surface, a second housing including a second lumen extending therethrough and a second disk-facing surface, where the second housing is coupled to the first housing so that the second disk-facing surface faces the first disk-facing surface. A flexible disk has at least a portion of an outer edge of the disk extending away from a plane of a central portion of the disk, the outer edge contacting the first disk-facing surface, the disk including a slit extending therethrough which, when acted upon by a fluid pressure of at least a threshold level opens to permit fluid flow between the first and second lumens and which, when acted upon by a fluid pressure less than the threshold level, prevents fluid flow between the first and second lumens. | 08-29-2013 |
| 20140039418 | STERILIZABLE INDWELLING CATHETERS - According to an aspect of the invention, an indwelling catheter is provided which comprises a catheter shaft. The catheter either comprises a light source or is adapted to receive light from a light source, and is configured such that light is transmitted from the light source into the catheter shaft. Moreover, the catheter shaft is formed of a polymeric material that transmits a quantity of light from the light source that is effective to inactivate microorganisms on a surface of the catheter shaft upon activation of the light source. For example, the light may inactivate the microorganisms directly or in conjunction with a photosensitizer. According to another aspect of the invention, a sterilization method is provided, which comprises activating the light source while the catheter is inserted in a subject. | 02-06-2014 |
| 20140058338 | CATHETER SHAFT INCLUDING A METALLIC TAPERED REGION - A catheter shaft including a metallic tubular member including a plurality of apertures formed in the tubular wall of the metallic tubular member to provide a desired degree of flexibility to the metallic tubular member. The metallic tubular member includes a tapered region intermediate a region and a second, reduced diameter region relative to the first region. | 02-27-2014 |
| 20140276470 | Dialysis Catheters with Fluoropolymer Additives - A venous access catheter shaft and method of using and manufacturing such a catheter is provided. In one aspect of the invention, a catheter is provided comprising a base polymer having a Shore A durometer of 85A or lower, with 2.0% percent by weight of surface modifier, and a radiopaque filler comprising between 20-40 percentage by weight. In another aspect of the invention, a method reducing thrombus accumulation on a venous access catheter is provided wherein the catheter surface's resistance to thrombus formation is enhanced during indwell time by lowering the durometer rating of the base polymer of the catheter without increasing the amount of surface modifier additive. In another aspect of the invention, a method of manufacturing a catheter shaft is provided, wherein the shaft is formed comprising a base polymer having a Shore A durometer of 85A or lower, with 2.0% percent by weight of surface modifier, and a radiopaque filler comprising 30% by weight barium sulfate, and optionally a colorant of 0.2% weight. | 09-18-2014 |
| 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 |
| 20140296790 | HIGH FLOW RATE DUAL RESERVOIR PORT SYSTEM - Devices and methods for obtaining high flow rates in a port catheter system, and devices and methods for using a high flow rate port catheter system are disclosed. In one embodiment, a reservoir is dedicated for aspiration and a separate reservoir is dedicated for infusion. Fluid flow channels associated with aspiration are larger than the fluid flow channels associated with infusion. The catheter connected to the port can have an offset tip configuration. Methods for accessing the port are also disclosed. | 10-02-2014 |
| 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 |
| Patent application number | Description | Published |
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| 20090036768 | MEDICAL DEVICES - Medical devices with radiopaque markers, and related systems and methods are disclosed. | 02-05-2009 |
| 20120150096 | IMPLANTABLE OR INSERTABLE MEDICAL DEVICES FOR CONTROLLED DRUG DELIVERY - Implantable or insertable medical devices are provided, which comprises: (a) a biocompatible polymer; and (b) at least one therapeutic agent selected from an anti-inflammatory agent, an analgesic agent, an anesthetic agent, and an antispasmodic agent. The medical devices are adapted for implantation or insertion at a site associated with pain or discomfort upon implantation or insertion. In many embodiments, the therapeutic will be selected from at least one of (i) ketorolac and pharmaceutically acceptable salts thereof (e.g., ketorolac tromethamine) and (ii) 4-diethylamino-2-butynylphenylcyclohexyl glycolate and pharmaceutically acceptable salts thereof (e.g., oxybutynin chloride). Also provided are uses for the implantable or insertable medical devices, which uses comprise reducing pain or discomfort accompanying the implantation or insertion of such devices. Further uses may comprise reducing microbial buildup along the device. Methods for manufacturing implantable or insertable medical devices are also provided. | 06-14-2012 |
| 20120184942 | COAXIAL STIFFENER FOR DRAINAGE CATHETER - A co-axial two-piece stiffener for use with an indwelling percutaneous catheter during insertion and removal of the catheter. The stiffener comprises inner and outer stiffener members with the inner member having a large diameter portion with an unconstrained diameter that is the same as or larger than the diameter of the outer stiffener member and a reduced diameter when constrained by the outer stiffener member that is smaller than the diameter of the outer stiffener member. | 07-19-2012 |
| 20120193255 | MEDICAL DEVICE AND PACKAGING INTERFACE - A medical device packaging comprising a connector coupled to a longitudinal element having a lumen sized and shaped to receive an shaft of a medical device extending distally from a hub of the elongate member. The connector including a first branch having a lumen open to the lumen in the elongate member and a second branch having lumen open to the lumen in the first branch. A proximal end of the first branch being configured to mate with a distal end of a housing of the medical device to be received in the packaging. The hub of the medical device including laterally extending wings having opposing contours. The medical device including a strain relief member coupled at a distal end of the hub of the medical device. | 08-02-2012 |
| 20130096514 | HIGH FLOW CATHETER VALVE - Valves for regulating fluid flows through medical devices are provided. In some embodiments, the valves are adapted for use in high flow applications and multiple valve elements disposed across a plurality of fluid flow paths branching from and into one or more inlets and outlets. | 04-18-2013 |
| 20140163516 | Fluid Bypass Device for Valved Catheters - Bypass elements for medical valves and methods of using the same are disclosed. Embodiments of the invention include an insert having a tip that is adapted to displace a valve element without penetrating it, and a lumen that fluidly communicates with a lumen of a valve housing distal to the valve element when the bypass element is engaged. Bypass elements are used, in certain embodiments, to facilitate fluid pressure and ECG signal measurements through implanted medical devices including catheters. | 06-12-2014 |
| 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 |
