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5997510 Surgical trocar having obturator handle with flexible contact portion  
A surgical trocar has a cannula assembly including a sleeve having a proximal end, a distal end and a passageway therethrough. A housing having an opening is located at the proximal end of the...
5997524 Catheter assembly for percutaneous access to subcutaneous port  
An access catheter for percutaneously connecting to a subcutaneously implanted port comprises a catheter body having a distal end and a proximal end. A needle or other access tube is connected to...
5998540 Polyurethane dispersions useful for preparing thin wall articles  
Disclosed are aqueous polyurethane dispersions prepared from polyester polyols having 0.95 to 1.5 equivalents of carboxylic functionality thereon per equivalent of polyol, the dispersions also...
5997506 Hysterosonogram/hysterosalpingogram cannula with soft seal  
A cannula which has a semi-rigid hollow shaft and a soft seal for endocervix to prevent the cannula from slipping out of position during medical procedures, which may be straight, curved or angled...
5989231 Optical gastrostomy and jejunostomy  
An optical feeding tube includes an elongated sheath having a first lumen for delivering nutrients to a gastro-intestinal tract and an imaging device disposed in a second lumen. The imaging device...
5984941 Trocar  
A trocar is formed from a cannula and an interfitting obturator for penetrating body cavity walls in laparoscopic and endoscopic surgery. The obturator is provided with an improved piercing tip...
5984919 Surgical trocar  
A surgical trocar includes an operative sleeve adapted for disposition across a tissue barrier and an obturator removably disposed in the sleeve. A source of energy is introduced to a cutting...
5985394 High-water-containing elastomer medical catheter  
The present invention provides a process for preparing; a high water-containing elastomer medical catheter and a urinary catheter prepared by the process. The process comprises a) heating a mixture...
5984904 Sleeve for a surgical instrument  
A surgical sleeve which includes an array of spaced apart protuberances on an interior wall surface. The spaced protuberance reduce the surface contact between the sleeve and the tip and define a...
5984907 Transition sleeve assembly for catheters  
A sleeve assembly for use in the transition region of a catheter between a relatively stiff catheter body and a less stiff distal catheter region mediates the difference in stiffness between these...
5985307 Device and method for non-occlusive localized drug delivery  
A device for the local delivery of a substance into a natural tissue conduit in the mammalian body. The device provides a means for locally delivering a substance into the boundary layer of fluid...
5984908 Venous return catheter having integral support member  
A venous return catheter (30, 56, 60, 70) and method of use therefor having a semi-rigid support member (32) extending within a lumen (42) to prevent kinking thereof during insertion and use. The...
5980502 Catheter for the right coronary artery  
A catheter for the right coronary artery where the catheter includes a substantially straight proximal shaft section and a distal shaft section. The distal shaft section includes a support arm...
5976119 High pressure perfusion device  
The present invention includes a guidewire device capable of delivering perfusion fluids to a vascular site while at the same time exhibiting handling characteristics associated with existing...
5976114 Aortic cannula with reduced velocity flow-through tip  
An improved aortic cannula is formed from a cannula body and a tip provided on the distal end of the cannula body wherein the tip is designed to accommodate the fluid flow requirements of an...
5971957 Through-the-needle cannula and split needle placement apparatus and method of use  
A novel enhanced needle splitting through-the-needle cannula placement apparatus includes a hinged housing, a scored splittable needle, a needle splitting means and sliding means for facile removal...
5971974 Left coronary artery catheter  
A left coronary catheter including a hub, a linear flexible tubular body stock extending from the hub and a curved flexible tubular stem extending from the body stock. The curved stem includes a...
5971968 Catheter probe having contrast media delivery means  
A catheter probe and methods for contrast media delivering comprising localized contrast media irrigation means for providing contrast media to the distal tip section, wherein the contrast media...
5968008 Cannula with parallel channels and sliding sheath  
An improved cannula having parallel conduits, one for removing material and one for injecting material, is disclosed. In certain medical procedures, it is necessary to deposit fluid while...
5968022 Medical hollow needle and method of production  
A needle has a hollow cylindrical member defining a lumen along a center axis. A first bevel face is formed at an incline across an end portion of the needle between opposite outer wall surfaces...
5965276 Method of forming a membrane especially a latex or polymer membrane including multiple discrete layers  
Single and multiple layer membranes such as gloves and condoms include one or more deactivating barrier layers and/or indicating layers to indicate to a user membrane breach or the presence of a...
5964796 Catheter assembly, catheter and multi-port introducer for use therewith  
A assembly for use in performing a medical procedure within a region in a body of a patient having a vessel therein comprising a multi-port introducer adapted to be inserted into a vessel of the...
5961486 Clot resistant multiple lumen catheter  
Blood is circulated through a multiple lumen catheter which connects between a vein of a patient and the blood treatment device. The catheter and the lumens thereof each define distal ends which...
5961498 Catheter with two-ply adhesive layer  
A catheter with a first component, a second component, and a glue line disposed between the components which is filled with an adhesive layer joining the components. The adhesive layer is formed in...
5957899 High pressure transluminal fluid delivery device  
The present invention includes a fluid delivery device capable of delivering perfusion or other fluids to a vascular site. Preferred embodiments permit delivery of large quantities of fluid without...
5957901 Catheter with improved spray pattern for pharmaco-mechanical thrombolysis therapy  
An improved catheter includes a double spiral configuration of infusion holes around the circumference and along the length of the catheter which provides an improved lateral dispersion of a...
5957902 Surgical tool for enlarging puncture opening made by trocar  
A surgical tool of the type used with a trocar expands the diameter of a puncture opening made in a body cavity so that a linear incision is not needed in certain surgical procedures. An elongate...
5954698 Catheter apparatus having valved catheter hub and needle protector  
Catheter apparatus having a needle protector attached to a catheter hub. The needle protector includes a needle. The catheter hub defines a valve chamber. A valve is positioned in the chamber for...
5954694 Nested tubing sections and methods for making same  
The invention provides a nested tubing cannula which comprises outer and inner elongate tubular members, both having a proximal end, a distal end, and a lumen therebetween. The inner tubular member...
5954707 Catheter with locking device  
A catheter with a locking device is formed of a catheter and a locking device attached to a proximal end of the catheter. The locking device is formed of a cylindrical portion fixed to the proximal...
5947925 Catheter assembly  
A highly safe catheter assembly exhibiting excellent torque transmission, pushability and kink resistance and operation of a guidewire is provided. The catheter assembly comprises a catheter having...
5947930 Trocar having protector with sinusoidal member  
A surgical trocar has a cannula assembly including a sleeve having a proximal end, a distal end and a passageway therethrough. A housing having an opening is located at the proximal end of the...
5948489 Catheter having extruded, flexible, pliable and compliant marker band  
A tubular catheter body comprising a catheter consisting essentially of plastic material and having a tubular, flexible, and compliant marker band affixed to and surrounding the external surface of...
5947940 Catheter reinforced to prevent luminal collapse and tensile failure thereof  
A catheter reinforced to prevent luminal collapse and tensile failure thereof, comprising an elongated tubular member having a proximal end, a distal end and a longitudinal extent, the elongated...
5944732 Subcutaneous tunnelling device and methods of forming a subcutaneous tunnel  
A subcutaneous tunnelling device, a dilator and a method of forming a subcutaneous tunnel are provided. The device includes a trocar having a front end with a point configured for piercing skin,...
5944728 Surgical retrieval basket with the ability to capture and release material  
A surgical extractor, and related method, for removing material (such as calculi and stones) from the body has the ability to capture and release material. The extractor has a sheath, a basket...
5944691 Catheter having an expandable shaft  
In accordance with the present invention there is provided a catheter for insertion within the human vasculature. The catheter is capable of being irreversibly expanded from a first diameter to a...
5944701 Self coiling catheter  
Medical guidewires have coiled proximal ends which allow and facilitate management of guidewires during use in an operating room.
5941858 Medical device for insertion into the body  
A catheter apparatus for use in determining the location of a tip of a catheter inside biological tissue is disclosed. The apparatus includes a catheter, a detector positioned within the catheter,...
5938645 Percutaneous aspiration catheter system  
A percutaneous aspiration catheter removing thrombus or other emboli from blood vessels and a method of extracting embolus pieces larger than the diameter of the catheter. The percutaneous...
5938653 Catheter having controlled flexibility and method of manufacture  
A guiding catheter or angiographic catheter and method of manufacture for use in cardiovascular interventions which incorporates an annealed low-flexibility proximal zone wherein a transition zone...
5935110 Control forward/flashback forward one hand introducer needle and catheter assembly  
The catheter includes a catheter hub at its proximal end having a radially extending wing. The needle is connected at its proximal end to a needle hub. The needle may have at least one notch...
5935114 Rapid exchange delivery catheter  
A catheter exchange member is provided for reducing exchange time when replacing one catheter (or similar device) with another in the vascular anatomy of a patient. The catheter exchange member...
5931830 Hollow coil guide wire apparatus for catheters  
A catheter guide wire includes a strip of material formed into an elongate coil, with a central hollow having a plurality of windings. The windings include inhibiting features to inhibit relative...
5931829 Methods and systems for establishing vascular access  
A body lumen access system comprises a distal access cannula and a proximal access cannula. The distal access cannula is attached to or within the body lumen and the proximal access cannula is...
5931831 Dual-lumen suction catheter with smaller diameter vent lumen having multiple apertures therein  
A dual-lumen suction catheter is disclosed consisting of a longitudinally extending pliable tube having separate and independent suction and vent lumens. The proximal end of the catheter has a...
5931865 Multiple-layered leak resistant tube  
The present invention is an improved tubular device for carrying liquids or gases that is resistant to leakage following a puncture. In its preferred form, the tubular device employs two or more...
5928198 Medical tube assemblies  
A tracheostomy assembly comprises a tracheostomy tube having an obturator inserted therein, the obturator including two resilient catches at its machine end extending along the outside of a...
5928206 Medical device  
Disclosed is a medical device in which a surface of a base material for constructing the medical device is coupled to a high-molecular weight compound composed of N-substituted alkylacrylamide by...
5921970 Large variable diameter medical suction system  
A large diameter medical suctioning system for rapid evacuation of fluid foreign matter from patients using an increased diameter suction tube and a variable diameter suction tip. The variable...