CA2535467A1 - Electrosurgical device - Google Patents

Electrosurgical device Download PDF

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Publication number
CA2535467A1
CA2535467A1 CA002535467A CA2535467A CA2535467A1 CA 2535467 A1 CA2535467 A1 CA 2535467A1 CA 002535467 A CA002535467 A CA 002535467A CA 2535467 A CA2535467 A CA 2535467A CA 2535467 A1 CA2535467 A1 CA 2535467A1
Authority
CA
Canada
Prior art keywords
distal end
sheath member
dissection
dissection tip
extends distally
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
CA002535467A
Other languages
French (fr)
Other versions
CA2535467C (en
Inventor
William Douglas Fox
Richard F. Schwemberger
Edward Joseph Biehle, Iv
Harry C. Parkhurst
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.)
Ethicon Inc
Original Assignee
Ethicon, Inc.
William Douglas Fox
Richard F. Schwemberger
Edward Joseph Biehle, Iv
Harry C. Parkhurst
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
Priority claimed from US07/773,401 external-priority patent/US5273524A/en
Application filed by Ethicon, Inc., William Douglas Fox, Richard F. Schwemberger, Edward Joseph Biehle, Iv, Harry C. Parkhurst filed Critical Ethicon, Inc.
Publication of CA2535467A1 publication Critical patent/CA2535467A1/en
Application granted granted Critical
Publication of CA2535467C publication Critical patent/CA2535467C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

An electrosurgical device for laparoscopic use in tissue dissection and coagulation. The device includes a barrel member having a dissection tip at the distal end thereof that is connected to a source of electrical energy. An insulating sheath member surrounds the barrel member. The sheath member is movable between a first position wherein the distal end thereof extends distally beyond the dissection tip and a second position wherein the dissection tip extends distally beyond the distal end portion of the sheath member. The device includes means to flush and vacuum the surgical site. The device also includes pressure relief means to limit the internal pressure within the device.
CA002535467A 1991-10-09 1992-10-06 Electrosurgical device Expired - Lifetime CA2535467C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US773,401 1985-09-06
US07/773,401 US5273524A (en) 1991-10-09 1991-10-09 Electrosurgical device
CA002079969A CA2079969C (en) 1991-10-09 1992-10-06 Electrosurgical device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002079969A Division CA2079969C (en) 1991-10-09 1992-10-06 Electrosurgical device

Publications (2)

Publication Number Publication Date
CA2535467A1 true CA2535467A1 (en) 1993-04-10
CA2535467C CA2535467C (en) 2008-04-01

Family

ID=36141786

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002535467A Expired - Lifetime CA2535467C (en) 1991-10-09 1992-10-06 Electrosurgical device

Country Status (1)

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CA (1) CA2535467C (en)

Cited By (119)

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US9510850B2 (en) 2010-02-11 2016-12-06 Ethicon Endo-Surgery, Llc Ultrasonic surgical instruments
US9554843B2 (en) 2006-09-01 2017-01-31 Conmed Corporation Adapter and method for converting gas-enhanced electrosurgical coagulation instrument for cutting
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US10433900B2 (en) 2011-07-22 2019-10-08 Ethicon Llc Surgical instruments for tensioning tissue
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