DE2514501A1 - Bipolar coagulation instrument for endoscopes - has two high frequency electrodes looped over central insulating piece - Google Patents

Bipolar coagulation instrument for endoscopes - has two high frequency electrodes looped over central insulating piece

Info

Publication number
DE2514501A1
DE2514501A1 DE19752514501 DE2514501A DE2514501A1 DE 2514501 A1 DE2514501 A1 DE 2514501A1 DE 19752514501 DE19752514501 DE 19752514501 DE 2514501 A DE2514501 A DE 2514501A DE 2514501 A1 DE2514501 A1 DE 2514501A1
Authority
DE
Grant status
Application
Patent type
Prior art keywords
endoscopes
high frequency
bipolar coagulation
electrodes
looped over
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.)
Pending
Application number
DE19752514501
Other languages
German (de)
Inventor
Karl Storz
Original Assignee
Karl Storz
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

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/012Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
    • A61B1/018Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B18/1402Probes for open surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1407Loop
    • A61B2018/141Snare

Abstract

The bipolar coagulation cauterisation instrument for endoscopes is for removal of polyps from the stomach, duodenum, rectum, larynx or nose and has two high frequency electrode for staunching the blood flow, whereby both electrodes (1, 2) form a loop coupled together by an insulated section (3). Pref., the electrodes (1, 2) are coated with insulating material over their entire length with the exception of a region (4, 5) adjacent to the insulated connector (3) and facing each other. The loop (1-3) is slid into an inner sleeve (7) on the end of a shaft (6) and the free proximal ends encompassed in a sheath (8). The method enables use of a much lower current than the unipolar system but does not required an additional inactive electrode.
DE19752514501 1975-04-03 1975-04-03 Bipolar coagulation instrument for endoscopes - has two high frequency electrodes looped over central insulating piece Pending DE2514501A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19752514501 DE2514501A1 (en) 1975-04-03 1975-04-03 Bipolar coagulation instrument for endoscopes - has two high frequency electrodes looped over central insulating piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752514501 DE2514501A1 (en) 1975-04-03 1975-04-03 Bipolar coagulation instrument for endoscopes - has two high frequency electrodes looped over central insulating piece

Publications (1)

Publication Number Publication Date
DE2514501A1 true true DE2514501A1 (en) 1976-10-21

Family

ID=5942985

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752514501 Pending DE2514501A1 (en) 1975-04-03 1975-04-03 Bipolar coagulation instrument for endoscopes - has two high frequency electrodes looped over central insulating piece

Country Status (1)

Country Link
DE (1) DE2514501A1 (en)

Cited By (302)

* Cited by examiner, † Cited by third party
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DE3220940A1 (en) * 1982-06-03 1983-12-08 Harald Maslanka Diathermy instrument
US4493320A (en) * 1982-04-02 1985-01-15 Treat Michael R Bipolar electrocautery surgical snare
US4503855A (en) * 1981-12-31 1985-03-12 Harald Maslanka High frequency surgical snare electrode
US4905691A (en) * 1989-04-17 1990-03-06 Everest Medical Corporation Polypectome snare with bipolar electrodes
WO1991017717A1 (en) 1990-05-11 1991-11-28 Applied Urology, Inc. Electrosurgical electrode
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