Assignee
CIRCON CORP
US·73 granted patents·1 pending application·13,590 citations·filing 1975–2003
Top patents by PatentIndex Score
74 records- 0198US6749560B1Endoscope shaft with slotted tubeCIRCON CORP·Filed 1999·Granted Jun 15, 2004·2.3k cites·12 claims
- 0298US4688555AEndoscope with cable compensating mechanismCIRCON CORP·Filed 1986·Granted Aug 25, 1987·1.4k cites·27 claims
- 0395US5718714ASurgical instrument with removable shaft assemblyCIRCON CORP·Filed 1994·Granted Feb 17, 1998·1.3k cites·47 claims
- 0495US4765331AElectrosurgical device with treatment arc of less than 360 degreesCIRCON CORP·Filed 1987·Granted Aug 23, 1988·713 cites·34 claims
- 0594US4669172AMethod for fabrication of flexible shaftCIRCON CORP·Filed 1985·Granted Jun 2, 1987·96 cites·9 claims
- 0693US4936842AElectrosurgical probe apparatusCIRCON CORP·Filed 1989·Granted Jun 26, 1990·477 cites·24 claims
- 0792USD370064SLaparoscopic surgical instrumentCIRCON CORP·Filed 1994·Granted May 21, 1996·44 cites·1 claims
- 0892US4748969AMulti-lumen core deflecting endoscopeCIRCON CORP·Filed 1987·Granted Jun 7, 1988·368 cites·20 claims
- 0991US4344092AMiniature video camera means for video systemCIRCON CORP·Filed 1980·Granted Aug 10, 1982·93 cites·11 claims
- 1090US5873817AEndoscope with resilient deflectable sectionCIRCON CORP·Filed 1997·Granted Feb 23, 1999·314 cites·26 claims
- 1190US4745908AInspection instrument fexible shaft having deflection compensation meansCIRCON CORP·Filed 1987·Granted May 24, 1988·301 cites·18 claims
- 1290US4600940AVideo camera for use with an endoscope and method for making sameCIRCON CORP·Filed 1984·Granted Jul 15, 1986·81 cites·9 claims
- 1389US5108961AEtchable core glass compositions and method for manufacturing a high performance microchannel plateCIRCON CORP·Filed 1991·Granted Apr 28, 1992·69 cites·12 claims
- 1489US4639772AFocusable video camera for use with endoscopesCIRCON CORP·Filed 1984·Granted Jan 27, 1987·68 cites·3 claims
- 1588US4300167AAutomatic iris control systemCIRCON CORP·Filed 1980·Granted Nov 10, 1981·61 cites·12 claims
- 1687US6485411B1Endoscope shaft with superelastic alloy spiral frame and braidCIRCON CORP·Filed 2000·Granted Nov 26, 2002·222 cites·32 claims
- 1787US4721097AEndoscope sheaths and method and apparatus for installation and removalCIRCON CORP·Filed 1986·Granted Jan 26, 1988·249 cites·17 claims
- 1885US4686963ATorsion resistant vertebrated probe of simple constructionCIRCON CORP·Filed 1986·Granted Aug 18, 1987·238 cites·27 claims
- 1984US5015909AGlass composition and method for manufacturing a high performance microchannel plateCIRCON CORP·Filed 1989·Granted May 14, 1991·35 cites·39 claims
- 2083US6156006AMedical instrument system for piercing through tissueCIRCON CORP·Filed 1999·Granted Dec 5, 2000·347 cites·3 claims
- 2182US6293952B1Medical instrument system for piercing through tissueCIRCON CORP·Filed 1998·Granted Sep 25, 2001·352 cites·25 claims
- 2282US6176847B1Surgical irrigation system incorporating flow sensor deviceCIRCON CORP·Filed 1999·Granted Jan 23, 2001·229 cites·21 claims
- 2381US5320091AContinuous flow hysteroscopeCIRCON CORP·Filed 1992·Granted Jun 14, 1994·257 cites·39 claims
- 2480US5647840AEndoscope having a distally heated distal lensCIRCON CORP·Filed 1994·Granted Jul 15, 1997·343 cites·49 claims
- 2578USD335710SMini-rigid ureteroscopeCIRCON CORP·Filed 1990·Granted May 18, 1993·20 cites·1 claims
- 2677US4699463AMultidirectional viewing borescopeCIRCON CORP·Filed 1985·Granted Oct 13, 1987·150 cites·28 claims
- 2776US5207213ALaparoscope having means for removing image impeding material from a distal lensCIRCON CORP·Filed 1991·Granted May 4, 1993·280 cites·57 claims
- 2876US4919131AResectoscope with improved guide block and electrical plug connectionCIRCON CORP·Filed 1988·Granted Apr 24, 1990·37 cites·4 claims
- 2974US6358200B1Continuous flow resectoscope with single tube sheath assembly and rotatable connectionCIRCON CORP·Filed 1999·Granted Mar 19, 2002·188 cites·11 claims
- 3074US5392765AContinuous flow cystoscopeCIRCON CORP·Filed 1993·Granted Feb 28, 1995·156 cites·16 claims
- 3174US5103556AMethod of manufacturing an electrohydraulic probeCIRCON CORP·Filed 1990·Granted Apr 14, 1992·35 cites·12 claims
- 3273US5199417AEndoscope having a deflectable distal section and a semi-rigid proximal sectionCIRCON CORP·Filed 1990·Granted Apr 6, 1993·204 cites·45 claims
- 3373US4028730AVidicon camera for closed circuit television systemCIRCON CORP·Filed 1976·Granted Jun 7, 1977·21 cites·17 claims
- 3472US5738631ARatchet control mechanism for an endoscopeCIRCON CORP·Filed 1994·Granted Apr 14, 1998·30 cites·17 claims
- 3572US4917082AResectoscope electrodeCIRCON CORP·Filed 1988·Granted Apr 17, 1990·104 cites·16 claims
- 3671US5807240AContinuous flow endoscope with enlarged outflow channelCIRCON CORP·Filed 1996·Granted Sep 15, 1998·212 cites·18 claims
- 3771US4600939AFocusable video camera for use with endoscopesCIRCON CORP·Filed 1984·Granted Jul 15, 1986·22 cites·11 claims
- 3870US5704898AArticulation mechanism for an endoscopeCIRCON CORP·Filed 1995·Granted Jan 6, 1998·169 cites·21 claims
- 3970US5549541AContinuous flow cystoscopeCIRCON CORP·Filed 1994·Granted Aug 27, 1996·125 cites·12 claims
- 4070US4920961ASystem for disconnetably mounting an endoscope sheath with an endoscope toolCIRCON CORP·Filed 1988·Granted May 1, 1990·96 cites·13 claims
- 4168US5486155ARotatable endoscope sheathCIRCON CORP·Filed 1994·Granted Jan 23, 1996·135 cites·16 claims
- 4267US5582610AGrooved slider electrode for a resectoscopeCIRCON CORP·Filed 1994·Granted Dec 10, 1996·119 cites·15 claims
- 4364US6171249B1Ultrasound guided therapeutic and diagnostic deviceCIRCON CORP·Filed 1998·Granted Jan 9, 2001·144 cites·9 claims
- 4462US5795319AEasily removable ureteral stentCIRCON CORP·Filed 1997·Granted Aug 18, 1998·100 cites·13 claims
- 4562USD320446SResectoscope electrodeCIRCON CORP·Filed 1988·Granted Oct 1, 1991·9 cites·1 claims
- 4661US6100920AVideo signal compensator for compensating differential picture brightness of an optical image due to uneven illumination and methodCIRCON CORP·Filed 1999·Granted Aug 8, 2000·30 cites·3 claims
- 4761US5938588ASuperelastic control wire sheath for flexible endoscopeCIRCON CORP·Filed 1997·Granted Aug 17, 1999·106 cites·17 claims
- 4861US5599349AV shaped grooved roller electrode for a resectoscopeCIRCON CORP·Filed 1994·Granted Feb 4, 1997·87 cites·12 claims
- 4961USD319104SCombined resectoscope handle and latchCIRCON CORP·Filed 1988·Granted Aug 13, 1991·9 cites·1 claims
- 5057US6197025B1Grooved slider electrode for a resectoscopeCIRCON CORP·Filed 1996·Granted Mar 6, 2001·82 cites·23 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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