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| Number | Title | Issue Date |
| 5730731 | Pressure-based irrigation accumulator A pressure-based irrigation accumulator system utilizable in an angioscopy imaging system includes reservoir means for storing irrigation solution under pressure, pressure means for pressurizing the reservoir means to a preset pressure limit, and delivery... | 03/24/1998 |
| 5392783 | Adhesive tape strip An adjustable sensor retainer and method for adjustably securing and retaining a sensor (e.g. a piezoelectric pulse sensor) against a skin region of a person includes the use of a primary retainer tape and an adjustable secondary retainer tape. The primar... | 02/28/1995 |
| 4998972 | Real time angioscopy imaging system An angioscopy imaging system which operates under the control of a computer system includes an optical scanning system which is inserted into a vessel, such as an artery, for generation of an image. An irrigation system provides pulsatile introduction of ... | 03/12/1991 |
| 4976725 | Dilatation catheter and constant pressure syringe and method of using the same In a dilatation catheter and constant pressure syringe, a pressurized compressible medium is used to maintain pressure on a non-compressible medium. Pressure is applied to a compressible medium in a first chamber, in turn applying pressure to a non-compre... | 12/11/1990 |
| 4878893 | Angioscope with flush solution deflector shield The present invention provides an angioscope catheter for visualizing the interior of a vessel, such as an artery. The angioscope catheter includes an angioscope having a distal viewing end, an irrigating catheter that includes structure for introducing f... | 11/07/1989 |
| 4865037 | Method for implanting automatic implantable defibrillator A method and apparatus for implanting an automatic implantable defibrillator without the need for major surgery is disclosed. Preconfigured electrodes are straightened by the use of a stylet or by the surrounding catheter and inserted into the intraperica... | 09/12/1989 |
| 4863440 | Pressurized manual advancement dilatation catheter The subject invention relates to a method and apparatus particularly suitable for use in dilating occluded blood vessels. The apparatus includes a tubular catheter having a balloon member connected to the distal end thereof. The balloon is initially locat... | 09/05/1989 |
| 4824435 | Instrument guidance system Elongate flexible elements are guided into place within a tortuous body passage by providing the elements with annular guides adjacent their distal ends and sliding the elements over a guide wire extended through the passage. Column strength to move the e... | 04/25/1989 |
| 4821721 | Apparatus and method for applying hemostatic scalp clips Apparatus and method for hemostatically clipping an incision edge with clips having jaws normally biased together. A plurality of the clips are contained in a magazine and selectively discharged from the magazine through a tunnel which spreads the jaws of... | 04/18/1989 |
| 4798193 | Protective sheath instrument carrier An open ended tubular sheath is provided with an annular guide element to facilitate placement of the sheath within a body passage. In use a guide wire is directed into the passage and the guide element is then slid over the wire to direct the sheath into... | 01/17/1989 |
| 4768508 | Vein valve cutting method A cutter for the in-situ cutting of valves within a vein. The cutter comprises a catheter having cutter fingers extending from its open distal end in an annular pattern. A sheath is selectively extensible over the fingers to shield them from inadvertent c... | 09/06/1988 |
| 4762130 | Catheter with corkscrew-like balloon A helical balloon is attached to the distal end of a catheter to serve when inflated as a therapeutic tool for the removal of blood clots and as a diagnostic tool for physical measurements and the application of treatment and other materials.... | 08/09/1988 |
| 4740203 | Refillable injection device In a refillable injection device for use with a dilation catheter, a large bore syringe is used to refill a small bore syringe without disconnecting the syringe assembly from the catheter. A one-way valve prevents fluid from moving in the opposite directi... | 04/26/1988 |
| 4739760 | Vein valve cutter apparatus A cutter for the in-situ cutting of valves within a vein. The cutter comprises a catheter having cutter fingers extending from its open distal end in an annular pattern. A sheath is selectively extensible over the fingers to shield them from inadvertent c... | 04/26/1988 |
| 4721507 | Shear force gauge and method and apparatus for limiting embolectomy shear force A shear force gauge for applying tension to an elongate wire or a catheter element and continuously sensing the amount of such tension. The gauge comprises a clamp adapted to frictionally engage the elongate element and a spring gauge secured to the clamp... | 01/26/1988 |
| 4709698 | Heatable dilation catheter A heatable dilation catheter includes an elongated flexible catheter which has an inflatable balloon attached to its distal end. The balloon has a heating element attached to it. A lumen provides a passageway which allows fluid to be introduced to inflate... | 12/01/1987 |
| 4696304 | Thermodilution flow-directed catheter assembly and method A catheter assembly for measuring hemodynamic pressure and method. The assembly includes an outer catheter and an inner catheter slidably mounted within the outer catheter lumen. The inner catheter is provided with an inflatable balloon which is used to g... | 09/29/1987 |
| 4671278 | Scalp hemostatic clip and dispenser therefor Apparatus and method for hemostatically clipping an incision edge with normally biased spring clips. A magazine containing a plurality of said clips and means for conveying said clips through the magazine. A method for gathering the incision edge within a... | 06/09/1987 |
| 4643194 | Flexible calibrator A calibrator oval for the internal gauging of the lumen of a stenotic segment of artery is provided with an elongated carrier having a controllable variable flexibility.... | 02/17/1987 |
| 4630609 | Dilatation catheter method and apparatus A dilatation catheter is provided at its distal end with an invertable-evertable balloon which expands longitudinally and then radially and is provided at the proximal side of that balloon with a sleeve balloon which expands radially.... | 12/23/1986 |
| 4611593 | Vessel occluding instrument A vessel occluding instrument for facilitating the surgical treatment of an anatomical vessel. The instrument comprises an elongated body member having top and bottom surfaces, opposed sides, and first and second opposed ends; a length of resilient tape e... | 09/16/1986 |
| 4574781 | Endarterectomy process A cutting annulus which is radially expansible is employed to achieve complete removal of arteriosclerotic material from occluded arteries.... | 03/11/1986 |
| 4564014 | Variable length dilatation catheter apparatus and method A dilatation catheter comprising an elongate elastomeric tube having a telescopic sheath received therearound to selectively expose varying lengths of tube or inflation. A wire extending through the tube provides for longitudinal stretching of the tube to... | 01/14/1986 |
| 4559927 | Endarterectomy apparatus and process A center-pull cutting annulus which is radially expansible is employed to achieve complete removal of arteriosclerotic material from occluded arteries.... | 12/24/1985 |
| 4526175 | Double lumen dilatation catheter A dilatation catheter is provided with an elongated balloon element having a distal evertable dilating portion and a proximal connector portion. The proximal connector portion extends through and past a large chamber where part of it may be layed-up in a ... | 07/02/1985 |
| 4493711 | Tubular extrusion catheter A catheter of the evagination type is provided with an inverted-evertable non-elastic tube having a diameter throughout equal to or greater than the catheter body, an axially aligned end opening at the distal end, and a multifold configuration of the dist... | 01/15/1985 |
| 4483340 | Dilatation catheter A dilatation catheter of the type having a balloon element adapted to be retracted by axial twisting following deflation is provided with a pair of concentrically related balloon twisting elements, one of which is adapted to be removed following full wind... | 11/20/1984 |
| 4479497 | Double lumen dilatation catheter A dilatation catheter is provided with an elongated balloon element having a distal evertable dilating portion and a connector portion having a radially pleated proximal end. An always-open lumen of the catheter is defined in part by the balloon.... | 10/30/1984 |
| 4476866 | Combined large and small bore syringe In a combined large and small bore syringe, the small bore syringe is used as the plunger for the large bore syringe. Movement of the small bore syringe plunger produces a high pressure, low volume flow while subsequent movement of the entirety of the sma... | 10/16/1984 |
| 4452244 | Endarterectomy roller An endarterectomy roller adapted to strip cores of atheromatous plaque from arteries is provided with disposable roller elements and with novel quick connect and disconnect elements for the roller elements.... | 06/05/1984 |
| 4318410 | Double lumen dilatation catheter A dilatation catheter is provided with a balloon element which is invertable, evertable, and inflatable in its everted condition. The catheter is provided with relatively movable members akin to cylinder and piston elements including a port which may be s... | 03/09/1982 |
| 4315511 | Endarterectomy apparatus A cutting annulus which is radially expansible is employed to achieve complete removal of arteriosclerotic material from occluded arteries.... | 02/16/1982 |
| 4292974 | Dilatation catheter apparatus and method A dilatation catheter is provided with an inflatable section which in its non-inflated condition may have a diameter several times that of the balance of the catheter. Means are provided to axially twist the inflatable part of the catheter to reduce its d... | 10/06/1981 |
| 4290427 | Endarterectomy apparatus A center-pull cutting annulus which is radially expansible is employed to achieve complete removal of arteriosclerotic material from occluded arteries.... | 09/22/1981 |
| 4271839 | Dilation catheter method and apparatus A balloon catheter wherein the balloon is inverted within the distal end of the catheter for eversion therefrom and extrusion through a partially occluded blood vessel in response to the exertion of internal fluid pressure on the balloon. The catheter is ... | 06/09/1981 |
