CA2443246A1 - Instrument electrochirurgical reduisant la propagation thermique - Google Patents

Instrument electrochirurgical reduisant la propagation thermique Download PDF

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Publication number
CA2443246A1
CA2443246A1 CA002443246A CA2443246A CA2443246A1 CA 2443246 A1 CA2443246 A1 CA 2443246A1 CA 002443246 A CA002443246 A CA 002443246A CA 2443246 A CA2443246 A CA 2443246A CA 2443246 A1 CA2443246 A1 CA 2443246A1
Authority
CA
Canada
Prior art keywords
insulating substrate
electrically conductive
electrosurgical instrument
conductive surface
volts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002443246A
Other languages
English (en)
Other versions
CA2443246C (fr
Inventor
Kate Ryland Lawes
Steven Paul Buysse
Sean T. Dycus
Kristin D. Johnson
Michael C. Moses
Dave A. Schechter
Philip M. Tetzlaff
Carolyn H. Mihaichuk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covidien AG
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority claimed from PCT/US2001/011230 external-priority patent/WO2002080784A1/fr
Publication of CA2443246A1 publication Critical patent/CA2443246A1/fr
Application granted granted Critical
Publication of CA2443246C publication Critical patent/CA2443246C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

L'invention concerne un instrument électrochirurgical qui comprend des effecteurs terminaux opposés et une poignée destinée à réaliser le mouvement de ces effecteurs les uns par rapport aux autres. L'instrument comporte un logement et une paire d'électrodes, chacune comportant une surface électro-conductrice (par exemple, que l'on peut dimensionner pour suturer, pincer et/ou couper) et un substrat isolant dimensionné pour venir en contact avec les effecteurs terminaux de façon que les électrodes soient disposées à l'opposé l'une de l'autre. Les dimensions du substrat isolant diffèrent de celles de la surface électro-conductrice, ce qui permet de réduire la propagation thermique vers des structures tissulaires contiguës. Le substrat isolant est à base d'un matériau ayant un indice comparatif de résistance à l'érosion se situant entre environ 300 volts et environ 600 volts pour réduire l'incidence du contournement.
CA2443246A 2001-04-06 2001-04-06 Instrument electrochirurgical reduisant la propagation thermique Expired - Fee Related CA2443246C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2001/011230 WO2002080784A1 (fr) 1999-09-01 2001-04-06 Instrument electrochirurgical reduisant la propagation thermique

Publications (2)

Publication Number Publication Date
CA2443246A1 true CA2443246A1 (fr) 2002-10-17
CA2443246C CA2443246C (fr) 2012-01-24

Family

ID=30769010

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2443246A Expired - Fee Related CA2443246C (fr) 2001-04-06 2001-04-06 Instrument electrochirurgical reduisant la propagation thermique

Country Status (4)

Country Link
JP (1) JP4394880B2 (fr)
AU (1) AU2001249912B9 (fr)
CA (1) CA2443246C (fr)
DE (1) DE60121050T2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7935114B2 (en) * 2007-02-14 2011-05-03 Olympus Medical Systems Corp. Curative treatment system, curative treatment device, and treatment method for living tissue using energy
US7789883B2 (en) * 2007-02-14 2010-09-07 Olympus Medical Systems Corp. Curative treatment system, curative treatment device, and treatment method for living tissue using energy
DE102019121035A1 (de) * 2019-08-05 2021-02-11 Karl Storz Se & Co. Kg Endoskopische Vorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951549A (en) * 1996-12-20 1999-09-14 Enable Medical Corporation Bipolar electrosurgical scissors
US6050996A (en) * 1997-11-12 2000-04-18 Sherwood Services Ag Bipolar electrosurgical instrument with replaceable electrodes
US6086586A (en) * 1998-09-14 2000-07-11 Enable Medical Corporation Bipolar tissue grasping apparatus and tissue welding method

Also Published As

Publication number Publication date
CA2443246C (fr) 2012-01-24
JP4394880B2 (ja) 2010-01-06
DE60121050D1 (de) 2006-08-03
JP2004524919A (ja) 2004-08-19
AU2001249912B2 (en) 2006-06-29
DE60121050T2 (de) 2007-01-04
AU2001249912B9 (en) 2006-11-09

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Effective date: 20170406

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Effective date: 20170406