CA2093330A1 - Electrosurgical handpiece incorporating blade and conductive gas functionality - Google Patents

Electrosurgical handpiece incorporating blade and conductive gas functionality

Info

Publication number
CA2093330A1
CA2093330A1 CA2093330A CA2093330A CA2093330A1 CA 2093330 A1 CA2093330 A1 CA 2093330A1 CA 2093330 A CA2093330 A CA 2093330A CA 2093330 A CA2093330 A CA 2093330A CA 2093330 A1 CA2093330 A1 CA 2093330A1
Authority
CA
Canada
Prior art keywords
electrical energy
blade
gas
electrode
conductive gas
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
CA2093330A
Other languages
French (fr)
Other versions
CA2093330C (en
Inventor
Paul P. Burek
William J. Bowers
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.)
Birtcher Medical Systems Inc
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
Publication of CA2093330A1 publication Critical patent/CA2093330A1/en
Application granted granted Critical
Publication of CA2093330C publication Critical patent/CA2093330C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00184—Moving parts
    • A61B2018/00196—Moving parts reciprocating lengthwise
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091—Handpieces of the surgical instrument or device
    • A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
    • A61B2018/00958—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device for switching between different working modes of the main function
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/014—Application surgical instrument

Abstract

An electrosurgical handpiece (20) applies electrical energy to a blade electrode (22) to accomplish blade electrosurgery or to a transfer electrode and nozzle (34) to transfer electrical energy in arcs in a flowing gas to accomplish conductive gas electrocoagulation. The blade electrode (22) may be selectively extended to conduct blade electrosurgery and withdrawn when conductive gas electrocoagulation is accomplished. Finger activated switches (28, 30) on the handpiece (20) control the application of electrical energy to the blade electrode (22) and the application of gas to the nozzle (34) and the electrical energy to the transfer electrode (34). A cord (36) includes a tubing (44) for supplying gas to the handpiece (20). The cord (36) also includes a multiconductor cable (50) for conducting electrical energy to the electrodes and conducting control signals to an electrosurgical apparatus (38) which delivers the electrical energy and the gas.
CA002093330A 1990-10-04 1991-09-24 Electrosurgical handpiece incorporating blade and conductive gas functionality Expired - Fee Related CA2093330C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/592,810 US5256138A (en) 1990-10-04 1990-10-04 Electrosurgical handpiece incorporating blade and conductive gas functionality
US07/592,810 1990-10-04

Publications (2)

Publication Number Publication Date
CA2093330A1 true CA2093330A1 (en) 1992-04-05
CA2093330C CA2093330C (en) 1998-11-24

Family

ID=24372157

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002093330A Expired - Fee Related CA2093330C (en) 1990-10-04 1991-09-24 Electrosurgical handpiece incorporating blade and conductive gas functionality

Country Status (13)

Country Link
US (1) US5256138A (en)
EP (1) EP0551447B1 (en)
JP (1) JP2959843B2 (en)
KR (1) KR0185958B1 (en)
AT (1) ATE146955T1 (en)
AU (1) AU651151B2 (en)
BR (1) BR9106941A (en)
CA (1) CA2093330C (en)
DE (1) DE69123978T2 (en)
DK (1) DK0551447T3 (en)
ES (1) ES2096068T3 (en)
NO (1) NO931293L (en)
WO (1) WO1992005743A1 (en)

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US5256138A (en) 1993-10-26
EP0551447A1 (en) 1993-07-21
WO1992005743A1 (en) 1992-04-16
KR0185958B1 (en) 1999-05-01
JP2959843B2 (en) 1999-10-06
DE69123978D1 (en) 1997-02-13
EP0551447B1 (en) 1997-01-02
KR930701949A (en) 1993-09-08
BR9106941A (en) 1994-01-25
AU8911291A (en) 1992-04-28
DE69123978T2 (en) 1997-07-24
DK0551447T3 (en) 1997-05-26
CA2093330C (en) 1998-11-24
ES2096068T3 (en) 1997-03-01
NO931293D0 (en) 1993-04-02
AU651151B2 (en) 1994-07-14
JPH06505644A (en) 1994-06-30
ATE146955T1 (en) 1997-01-15
EP0551447A4 (en) 1993-09-15
NO931293L (en) 1993-05-21

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