Inventor · disambiguated record
Charles Gresl
Also filed as: GRESL CHARLES · GRESL CHARLES JR · GRESL JR CHARLES
43 granted patents·6 pending applications·10,429 citations·filing 1975–2010
99Inventor score
Files withORIGIN MEDSYSTEMS INC29LUMEND INC6COVIDIEN AG3R J SURGICAL INSTR INC2APPLIED MED RESOURCES1
Top patents by PatentIndex Score
49 records- 0199US3972812ABlood serum separation filter discBECTON DICKINSON CO·Filed 1975·Granted Aug 3, 1976·169 cites·14 claims
- 0297US5531856AEndoscopic inflatable retraction devicesORIGIN MEDSYSTEMS INC·Filed 1993·Granted Jul 2, 1996·1.2k cites·10 claims
- 0397USD338955SHandle for a pneumoneedleORIGIN MEDSYSTEMS INC·Filed 1991·Granted Aug 31, 1993·85 cites·1 claims
- 0496US6800085B2Methods and apparatus for treating vascular occlusionsLUMEND INC·Filed 2001·Granted Oct 5, 2004·556 cites·15 claims
- 0595US5527264AMethods of using endoscopic inflatable retraction devicesORIGIN MEDSYSTEMS INC·Filed 1994·Granted Jun 18, 1996·1.1k cites·26 claims
- 0695US5309896ARetraction methods using endoscopic inflatable retraction devicesORIGIN MEDSYSTEMS INC·Filed 1991·Granted May 10, 1994·597 cites·35 claims
- 0794US5681341AFlexible lifting apparatusORIGIN MEDSYSTEMS INC·Filed 1995·Granted Oct 28, 1997·1.2k cites·25 claims
- 0893US6638247B1Method and apparatus for treating vascular occlusionsLUMEND INC·Filed 2000·Granted Oct 28, 2003·157 cites·23 claims
- 0992US5507755AApparatus and method for closing puncture woundsORIGIN MEDSYSTEMS INC·Filed 1994·Granted Apr 16, 1996·585 cites·14 claims
- 1091US6508825B1Apparatus for treating vascular occlusionsLUMEND INC·Filed 1998·Granted Jan 21, 2003·403 cites·31 claims
- 1191US5865728AMethod of using an endoscopic inflatable lifting apparatus to create an anatomic working spaceORIGIN MEDSYSTEMS INC·Filed 1995·Granted Feb 2, 1999·411 cites·16 claims
- 1289US6217549B1Methods and apparatus for treating vascular occlusionsLUMEND INC·Filed 1998·Granted Apr 17, 2001·410 cites·12 claims
- 1387US6123689AReusable cannula with disposable sealAPPLIED MED RESOURCES·Filed 1997·Granted Sep 26, 2000·323 cites·51 claims
- 1485US6746462B1Methods and apparatus for treating vascular occlusionsLUMEND INC·Filed 2000·Granted Jun 8, 2004·157 cites·23 claims
- 1585US5402772AEndoscopic expandable retraction deviceORIGIN MEDSYSTEMS INC·Filed 1993·Granted Apr 4, 1995·211 cites·23 claims
- 1684US6673087B1Elongated surgical scissorsORIGIN MEDSYSTEMS·Filed 2000·Granted Jan 6, 2004·163 cites·7 claims
- 1782US5582618ASurgical cutting instrumentR J SURGICAL INSTR INC·Filed 1994·Granted Dec 10, 1996·238 cites·19 claims
- 1879US6599304B1Methods and apparatus for treating vascular occlusionsLUMEND INC·Filed 1999·Granted Jul 29, 2003·179 cites·7 claims
- 1976US6471638B1Surgical apparatusORIGIN MEDSYSTEMS INC·Filed 2000·Granted Oct 29, 2002·74 cites·6 claims
- 2076US5267970ADevice for anchoring trocar sleeveORIGIN MEDSYSTEMS INC·Filed 1991·Granted Dec 7, 1993·164 cites·2 claims
- 2175US5728119AMethod and inflatable chamber apparatus for separating layers of tissueORIGIN MEDSYSTEMS INC·Filed 1995·Granted Mar 17, 1998·178 cites·36 claims
- 2275US5385570ASurgical cutting instrumentR J SURGICAL INSTR INC·Filed 1993·Granted Jan 31, 1995·174 cites·22 claims
- 2374US7744617B2Method and inflatable chamber apparatus for separating layers of tissueCOVIDIEN AG·Filed 2003·Granted Jun 29, 2010·52 cites·18 claims
- 2474US5779728AMethod and inflatable chamber apparatus for separating layers of tissueORIGIN MEDSYSTEMS INC·Filed 1996·Granted Jul 14, 1998·195 cites·14 claims
- 2574US5514075AProperitoneal mechanical retraction apparatus and methods of usingORIGIN MEDSYSTEMS INC·Filed 1994·Granted May 7, 1996·140 cites·54 claims
- 2673US6605037B1Endoscopic inflatable retraction deviceSHERWOOD SERV AG·Filed 1998·Granted Aug 12, 2003·139 cites·25 claims
- 2773US5465711ASurgical procedures using endoscopic inflatable retraction devicesORIGIN MEDSYSTEMS INC·Filed 1993·Granted Nov 14, 1995·101 cites·14 claims
- 2869US5925058AMethod and inflatable chamber apparatus for separating layers of tissueORIGIN MEDSYSTEMS INC·Filed 1997·Granted Jul 20, 1999·133 cites·13 claims
- 2968US5104381APneumoneedle with removable stylet assemblyORIGIN MEDSYSTEMS INC·Filed 1991·Granted Apr 14, 1992·127 cites·22 claims
- 3065US7766823B2Endoscopic inflatable retraction device, method of using, and method of makingCOVIDIEN AG·Filed 2003·Granted Aug 3, 2010·23 cites·16 claims
- 3165US6814696B1Surgical apparatusORIGIN MEDSYSTEMS INC·Filed 2002·Granted Nov 9, 2004·30 cites·1 claims
- 3263US5895353AVessel isolating retractor cannula and methodORIGIN MEDSYSTEMS INC·Filed 1998·Granted Apr 20, 1999·97 cites·2 claims
- 3362US5318580ARetractable trocarORIGIN MEDSYSTEMS INC·Filed 1991·Granted Jun 7, 1994·93 cites·29 claims
- 3461US5743850AEndoscopic inflatable retraction device with additional inflatable chamberORIGIN MEDSYSTEMS INC·Filed 1994·Granted Apr 28, 1998·52 cites·8 claims
- 3561US5397335ATrocar assembly with improved adapter sealsORIGIN MEDSYSTEMS INC·Filed 1993·Granted Mar 14, 1995·94 cites·22 claims
- 3660US5513291ALight source modifications for plastic light fibre compatibilityORIGIN MEDSYSTEMS INC·Filed 1993·Granted Apr 30, 1996·22 cites·36 claims
- 3757US5993384AVessel isolating retractor cannula and methodORIGIN MEDSYSTEMS INC·Filed 1998·Granted Nov 30, 1999·70 cites·20 claims
- 3857US5823945AEndoscopic inflatable retraction device with additional inflatable chamberORIGIN MEDSYSTEMS INC·Filed 1997·Granted Oct 20, 1998·47 cites·12 claims
- 3957US2009182368A1Method and inflatable chamber apparatus for separating layers of tissueCOVIDIEN AG·Filed 2009·Application pending·0 cites
- 4056US5562603AEndoscopic inflatable retraction device with fluid-tight elastomeric windowORIGIN MEDSYSTEMS INC·Filed 1995·Granted Oct 8, 1996·83 cites·17 claims
- 4156US5454367AMethod of using endoscopic inflatable retraction device with fluid tight elastomeric windowORIGIN MEDSYSTEMS INC·Filed 1993·Granted Oct 3, 1995·42 cites·18 claims
- 4250US2007162067A1Method and inflatable chamber apparatus for separating layers of tissueLUNSFORD JOHN P·Filed 2007·Application pending·0 cites
- 4349US5078718AMulti-part method and apparatus for removing pre-placed prosthetic joints and preparing for their replacementORIGIN MEDSYSTEMS INC·Filed 1990·Granted Jan 7, 1992·53 cites·21 claims
- 4449US2010174149A1Endoscopic inflatable retraction device, method of using, and method of makingMOLL FREDERIC H·Filed 2010·Application pending·0 cites
- 4546US2008039879A1Devices and methods for atrial appendage exclusionCHIN ALBERT K·Filed 2006·Application pending·0 cites
- 4645US5462532ATrocar with safety sensing sleeveORIGIN MEDSYSTEMS INC·Filed 1993·Granted Oct 31, 1995·39 cites·17 claims
- 4744US2004077999A1Blunt micro-dissection catheterFiled 2003·Application pending·0 cites
- 4843US2006270909A1Surgical instruments and methods for use in reduced-access surgical sitesDAVIS JOHN W·Filed 2005·Application pending·0 cites
- 4931US5827314AFlexible lifting apparatusORIGIN MEDSYSTEMS INC·Filed 1997·Granted Oct 27, 1998·8 cites·12 claims
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