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| Number | Title | Issue Date |
| 7264609 | Indwelling urinary catheter A self-retaining catheter that eliminates the problem of residual urine and also of bladder wall irritation caused by continuous contact with a spherical retention balloon which does not rely on a stylet for placement. The system may use an internal control wire tha... | 09/04/2007 |
| 7204826 | Apparatus and methods for guiding a needle A needle guiding apparatus includes a base, a guide assembly, and an imaging sight. The base defines an opening that extends through the base. The guide assembly includes at least one passage, and the guide assembly is disposed within the opening of the base. The gu... | 04/17/2007 |
| 7156836 | Cannula assembly A double cannula assembly for medical or veterinary use includes a first cannula (10) for insertion into a blood vessel in a conventional manner. This first cannula is an outer cannula and a second or inner cannula (12) is subsequently inserted through... | 01/02/2007 |
| 7144365 | Implantable heart assist system and method of applying same An extracardiac pumping for supplementing the circulation of blood, including the cardiac output, in a patient without any component thereof being connected to the patient's heart, and method of using same. One embodiment of the extracardiac system comprises a pump ... | 12/05/2006 |
| 6951555 | Catheter having integral expandable/collapsible lumen A catheter and method of use may include an aortic balloon catheter having an integral expandable/collapsible lumen. The catheter comprises a main catheter body having a either a single or a plurality of lumens extending therethrough, and further includes an expanda... | 10/04/2005 |
| 6855128 | Dual blunting needle assembly A safety needle assembly which is adapted for blunting of both an intravenous puncture tip and a non-patient puncture tip is provided. The needle assembly includes a cannula having a first end with an intravenous puncture tip and a second end with a non-patient punc... | 02/15/2005 |
| 6830578 | Trocar A trocar is disclosed which includes a housing assembly and a cannula assembly attached to the housing assembly to define an axial bore therethrough. The trocar further includes an obturator assembly which slidably engages the axial bore defined by the cannula assem... | 12/14/2004 |
| 6709386 | Endoscope fill bar An endoscope fill bar including a device to change the cross-section of a rounded end zone of the fill bar that protects distally beyond the endoscope distal end when the fill bar is in its functional position. The cross-sectional altering device is driven by an adj... | 03/23/2004 |
| 6689152 | Introducer/dilator with balloon protection and methods of use An introducer system having an elongate shaft with proximal and distal ends. A flexible sleeve is mounted on the distal end of the shaft and is adapted to circumferentially cover the outer surface of a distal end of a cannula when the shaft is positioned ... | 02/10/2004 |
| 6676636 | Solid blunt for a needle assembly A solid blunt and a needle assembly having a solid blunt. The solid blunt helps to prevent accidental needle sticks. In one exemplary embodiment, a solid blunt has an outer dimension (e.g. outer diameter) which is nearly equal to an inner dimension (e.g. ... | 01/13/2004 |
| 6659996 | Device for delivering biological agents A biological agent delivery device for delivering biological agents includes a sheath having a longitudinally extending wall surrounding an interior region, and a closed tip at a distal end. A flexible pouch formed in the sheath wall for containing a biol... | 12/09/2003 |
| 6652491 | Steerable stylet A medical device is provided that includes a catheter and a stylet positioned in the catheter. The stylet is configured to guide the catheter through a passage of a patient. The stylet is preferable tubular and made of a shape-memory material that changes... | 11/25/2003 |
| 6569182 | Introducer/dilator with balloon protection and methods of use An introducer system having an elongate shaft with proximal and distal ends. A flexible sleeve is mounted on the distal end of the shaft and is adapted to circumferentially cover the outer surface of a distal end of a cannula when the shaft is positioned ... | 05/27/2003 |
| 6558353 | Spinal needle The present invention is directed toward an improved spinal needle. A needle hub is disposed about a proximate end of a hollow needle. The needle hub side port indicators provide visual and tactual verification by a user of the orientation of the side por... | 05/06/2003 |
| 6533759 | Flash chamber with a self closing valve for use with a catheter A flash chamber having a self-closing valve for use with a catheter is described. The flash chamber, which is connected to the catheter, precludes blood leakage as a needle is removed from the catheter and an IV unit is coupled to the catheter. The flash ... | 03/18/2003 |
| 6409967 | Valve obturator An obturator prevents the tips or flaps of a duck-bill valve from self-adhering during storage or during sterilization procedures. The obturator holds the tips apart until the end-user is ready to use the valve. The duck-bill valve is used as an air outle... | 06/25/2002 |
| 6358229 | Urinary drain A urinary drain device comprising an elongated flexible tube member whose distal end portion is preformed so as to assume a coiled configuration when unconstrained. The distal end portion also includes one or more openings through its side wall through wh... | 03/19/2002 |
| 6245029 | Stylet and connector therefor A stylet which comprises a stylet assembly body and a connector for connecting the stylet to a catheter. The stylet body has a piece of wire bent double and twisted together to form a rounded end serving as a distal end at one end. The connector has a sty... | 06/12/2001 |
| 6217555 | Multiport trocar A trocar adapted to extend across the body wall into a body cavity, forming a seal around an instrument inserted through the trocar, comprises a cannula having a first axis extending between proximal and distal ends. A valve housing attached to the proxim... | 04/17/2001 |
| 6210346 | Method for inserting an intracranial catheter and for monitoring intracranial pressure in a mammal A method for inserting and maintaining an intracranial pressure monitoring catheter within a skull of a patient using a flexible catheter having a stylet insertion aperture formed in the side wall thereof opening to a stylet lumen extending to a closed di... | 04/03/2001 |
| 5658253 | Stylet device for guiding an enteral feeding tube The present invention is an improved stylet for a enteric or nasoenteric feeding tubes. In broadest terms, the present invention comprises: a stylet for a feeding tube, the stylet having: (a) a stylet hub having a bore therethrough and adapted to be attac... | 08/19/1997 |
| 5611780 | Endoscopic surgical method The present disclosure relates to a method of performing endoscopic or laparoscopic surgical procedures, including the steps of providing an endoscopic kit including an obturator for penetrating body tissue and at least two sleeve members adapted for use ... | 03/18/1997 |
| 5531699 | Spring-loaded reciprocable stylet holder A spring-loaded reciprocable stylet holder assembly includes a cap; a hollow body element partially nested within and reciprocable a major part of its length into the cap; a spring urging the body element outwardly of the cap; and a stylet supported at on... | 07/02/1996 |
| 5498249 | Catheter stylet The present invention is directed to a catheter tube assembly for the internal administration or aspiration of fluids to the body cavity of a patient. The assembly includes a catheter tube and a stylet. The catheter tube has a passage section with the sty... | 03/12/1996 |
| 5401244 | Method of, and stylet apparatus for, installing a retrograde coronary cannula A coronary cannula and installation stylet set, the stylet having a shaft extending through the cannula of the coronary cannula to facilitate the installation of the cannula. The shaft has a stiff but resilient proximal portion and a deformable distal por... | 03/28/1995 |
| 5360406 | Stylet for retrograde coronary sinus cannula A stylet for guiding a retrograde coronary sinus cannula into a coronary sinus. The stylet comprises an elongate shaft having proximal and distal ends, and a handle at the proximal end of the shaft. The handle includes a lever extending laterally outwardl... | 11/01/1994 |
| 5342383 | Soft tip obturator An obturator for use with a conventional sheath introducer or any other tubular member providing access to the interior of the body of a living being. The obturator comprises a shaft in the form of an elongated rod-like element having a distal end. The ro... | 08/30/1994 |
| 5295968 | Stylet wire assembly A stylet wire assembly is disclosed which sealingly engages the proximal end of a medical catheter, and allows the unobstructed injection or evacuation of fluids into or from a patient's body through the catheter while the stylet wire is in place therein.... | 03/22/1994 |
| 5092847 | Enteral feeding tube stylet A stylet for use with a flexible feeding tube including a proximal stylet hub connected to the proximal end of a stylet wire and an elongate and flexible sleeve and cylindrically-shaped urethane member attached to the distal end of the stylet wire such th... | 03/03/1992 |
| 5015238 | Expandable obturator and catheter assembly including same An oburator includes a solid substantially stiff rod of a nonhydrophilic polymer coated with a layer of a hydrophilic polyurethane which may have an antithrombogenic agent bulk distributing therein. When the hydrophilic polyurethane comes into contact wit... | 05/14/1991 |
| 4850983 | Stylet wire retainer An enteral feeding tube assembly for the administration of fluids to a patient having a semi-rigid stylet guide wire for assisting in the insertion of the feeding tube into the patient's stomach and having a distal orifice for exit of the fluid from the t... | 07/25/1989 |
| 4846804 | Combined needle protector and guidewire feeder A combined percutaneous needle, stylet and needle guard. The guard has a friction fit with the distal end of the needle and stylet to retain the guard. When in use, the guard is transferred to the hub end of the needle to interfit with a proximal end of t... | 07/11/1989 |
| 4834709 | Preformable catheter A catheter and stylet assembly is provided which includes a silicone rubber catheter for insertion into the left ventricle of the heart. A stylet of malleable metal covered by a plastic cover is inserted into the catheter to permit the catheter and stylet... | 05/30/1989 |
| 4826485 | Device for guiding tubings A stylet comprising a flexible stiffening means for guiding and positioning a flexible tubing, the stiffening means having distal and proximal ends, the distal end being insertable into the flexible tubing; and a connector having an off-centered through b... | 05/02/1989 |
| 4808168 | Pneumoneedle A single-use Veress-type pneumoneedle that has a flanged handle and a fixed valve subassembly that permit the pneumoneedle to be gripped like a syringe when it is being inserted. The stylet body is either a solid rod or a hollow tube. Insufflating gas is ... | 02/28/1989 |
| 4798591 | Catheter obturator The present invention a catheter obturator including a stopper having a bore formed therethrough, a tube of resilient material connected at one end with the stopper to communicate with the bore in the stopper, the opposite end of the tube being closed, an... | 01/17/1989 |
| 4790825 | Closed chest cannulation method and device for atrial-major artery bypass This method and device permits removal of venous blood from either atrium to a heart lung machine and thereafter returns it (after oxygenation and filtration if needed) to the femoral artery, all in a percutaneous mode. The device includes in combination ... | 12/13/1988 |
| 4787892 | Nephrostomy catheter with formed tip A nephrostomy catheter comprising, an elongated shaft having a drainage lumen extending along the shaft and a distal end, and a formed tip bonded to the distal end of the shaft and having a distal opening communicating with the lumen to receive a guide wi... | 11/29/1988 |
| 4659328 | Stylet A stylet 2 for stiffening a pliable infusion tube 38 comprising a wire 4 extending between a proximal and a distal end, a coiled spring 22 providing a flexible tip to the distal end of the stylet 2 for more easily feeding the stylet 2 through a convoluted... | 04/21/1987 |
| 4637388 | Tracheal tube obturator with reversible tip An obturator especially for use as a part of a tracheal tube assembly permits the tracheal tube to have a squared off, unbeveled, distal end with an annular, circular rim of predetermined diameter which easily passes through the vocal cords. The obturator... | 01/20/1987 |
