Inventor · disambiguated record
Douglas D. Sjostrom
Also filed as: MCHUGH EDWARD H · SJOSTROM DOUGLAS · SJOSTROM DOUGLAS D
35 granted patents·1 pending application·8,565 citations·filing 1977–2015
98Inventor score
Files withSMITH & NEPHEW INC13SMITH & NEPHEW DYONICS5DYONICS INC4SMITH & NEPHEW ENDOSCOPY INC3VIKING SYSTEMS INC3
Top patents by PatentIndex Score
36 records- 0199US5602449AMotor controlled surgical system and method having positional controlSMITH & NEPHEW ENDOSCOPY INC·Filed 1995·Granted Feb 11, 1997·1.4k cites·30 claims
- 0298US5871493ASurgical instrument handpiece and systemSMITH & NEPHEW INC·Filed 1996·Granted Feb 16, 1999·268 cites·80 claims
- 0398US4203444ASurgical instrument suitable for closed surgery such as of the kneeDYONICS INC·Filed 1977·Granted May 20, 1980·1.7k cites·55 claims
- 0496US4705038ASurgical system for powered instrumentsDYONICS INC·Filed 1985·Granted Nov 10, 1987·1.9k cites·10 claims
- 0595US8177800B2Methods and apparatus for removing veinsSPITZ GREGORY A·Filed 2006·Granted May 15, 2012·321 cites·3 claims
- 0693US4522206ASurgical instrumentDYONICS INC·Filed 1983·Granted Jun 11, 1985·369 cites·18 claims
- 0792US4662371ASurgical instrumentWHIPPLE TERRY L·Filed 1985·Granted May 5, 1987·446 cites·5 claims
- 0886USD652923SEndoscopeKENNEDY JOHN·Filed 2010·Granted Jan 24, 2012·39 cites·1 claims
- 0984USD388170SSurgical handpieceSMITH & NEPHEW ENDOSCOPY INC·Filed 1995·Granted Dec 23, 1997·27 cites·1 claims
- 1083US6328752B1Method for positioning a surgical instrument relative to a surgical handpieceSMITH & NEPHEW INC·Filed 2000·Granted Dec 11, 2001·116 cites·30 claims
- 1183US5712543AMagnetic switching element for controlling a surgical deviceSMITH & NEPHEW INC·Filed 1996·Granted Jan 27, 1998·316 cites·24 claims
- 1282US7150747B1Electrosurgical cutterSMITH & NEPHEW INC·Filed 2003·Granted Dec 19, 2006·164 cites·47 claims
- 1382US4834729AArthroscopic surgical instrumentDYONICS INC·Filed 1986·Granted May 30, 1989·182 cites·19 claims
- 1481US4983179AArthroscopic surgical instrumentSMITH & NEPHEW DYONICS·Filed 1989·Granted Jan 8, 1991·168 cites·15 claims
- 1579US5354311ADeflecting forcepsSMITH & NEPHEW DYONICS·Filed 1993·Granted Oct 11, 1994·232 cites·10 claims
- 1675US9044138B2Steerable electronic stereoscopic endoscopeVIKING SYSTEMS INC·Filed 2012·Granted Jun 2, 2015·12 cites·32 claims
- 1775US5749885ASurgical instrument with embedded coding elementSMITH & NEPHEW INC·Filed 1995·Granted May 12, 1998·227 cites·47 claims
- 1874US9204787B2360 degree panning stereo endoscopeCONMED CORP·Filed 2013·Granted Dec 8, 2015·5 cites·14 claims
- 1974US7485125B2Cutting instrumentSMITH & NEPHEW INC·Filed 2001·Granted Feb 3, 2009·68 cites·58 claims
- 2072US8876731B2Surgical instrument aspiration valveSMITH & NEPHEW INC·Filed 2013·Granted Nov 4, 2014·3 cites·10 claims
- 2172USD390956SHub for a surgical instrumentSMITH & NEPHEW INC·Filed 1996·Granted Feb 17, 1998·17 cites·1 claims
- 2270US6090122ASurgical instrument handpiece and systemSMITH & NEPHEW INC·Filed 1999·Granted Jul 18, 2000·126 cites·35 claims
- 2367USD381425SHub for a surgical instrumentSMITH & NEPHEW ENDOSCOPY INC·Filed 1995·Granted Jul 22, 1997·14 cites·1 claims
- 2465US8608666B2Surgical instrument aspiration valveSJOSTROM DOUGLAS D·Filed 2010·Granted Dec 17, 2013·3 cites·27 claims
- 2564US7018391B2Methods and apparatus for removing veinsSMITH & NEPHEW NORTH AMERICA·Filed 2002·Granted Mar 28, 2006·27 cites·10 claims
- 2664USRE34556ESurgical system for powered instrumentsSMITH & NEPHEW DYONICS·Filed 1991·Granted Mar 1, 1994·122 cites·11 claims
- 2764US5133729AMotor driven hand piece for a surgical toolSMITH & NEPHEW DYONICS·Filed 1990·Granted Jul 28, 1992·105 cites·19 claims
- 2862US8708891B2Stereoscopic coupler for mechanically and optically coupling a stereo endoscope to a stereo endoscopic cameraSJOSTROM DOUGLAS·Filed 2011·Granted Apr 29, 2014·4 cites·23 claims
- 2960US7766844B2Surgical instrument aspiration valveSMITH & NEPHEW INC·Filed 2004·Granted Aug 3, 2010·14 cites·22 claims
- 3057US9585683B2Surgical instrument aspiration valveSMITH & NEPHEW INC·Filed 2014·Granted Mar 7, 2017·0 cites·17 claims
- 3157US5024659ABreakable needle and hinged needle guideSMITH & NEPHEW DYONICS·Filed 1990·Granted Jun 18, 1991·75 cites·6 claims
- 3256USD390955SHub for a surgical instrumentSMITH & NEPHEW INC·Filed 1996·Granted Feb 17, 1998·9 cites·1 claims
- 3354US10143359B2360 degree panning stereo endoscopeCONMED CORP·Filed 2015·Granted Dec 4, 2018·0 cites·6 claims
- 3453USD676387SAdapterVIKING SYSTEMS INC·Filed 2010·Granted Feb 19, 2013·9 cites·1 claims
- 3553US6436116B1Methods and apparatus for removing veinsSMITH & NEPHEW INC·Filed 1999·Granted Aug 20, 2002·48 cites·20 claims
- 3643US2016081529A1Steerable electronic stereoscopic endoscopeVIKING SYSTEMS INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →