JPS5727445Y2 - - Google Patents

Info

Publication number
JPS5727445Y2
JPS5727445Y2 JP1973072170U JP7217073U JPS5727445Y2 JP S5727445 Y2 JPS5727445 Y2 JP S5727445Y2 JP 1973072170 U JP1973072170 U JP 1973072170U JP 7217073 U JP7217073 U JP 7217073U JP S5727445 Y2 JPS5727445 Y2 JP S5727445Y2
Authority
JP
Japan
Prior art keywords
endoscope
opening
body cavity
insulating tube
working section
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.)
Expired
Application number
JP1973072170U
Other languages
Japanese (ja)
Other versions
JPS5022384U (en
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 filed Critical
Priority to JP1973072170U priority Critical patent/JPS5727445Y2/ja
Priority to DE2429462A priority patent/DE2429462C2/en
Priority to US480855A priority patent/US3910279A/en
Publication of JPS5022384U publication Critical patent/JPS5022384U/ja
Application granted granted Critical
Publication of JPS5727445Y2 publication Critical patent/JPS5727445Y2/ja
Expired 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
    • A61B18/12—Surgical 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
    • A61B18/14—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/32056—Surgical snare instruments
    • 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
    • A61B18/12—Surgical 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
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • 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
    • A61B18/12—Surgical 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
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1407—Loop

Abstract

In the forward end portion of the flexible insulating tube of an electrosurgical instrument there is formed an opening or fenestra at the side surface thereof, and when an electrode wire is forced into the insulating tube, the working section thereof is outwardly looped through said opening, so that said looped working section is brought into contact with the tissue of the body cavity to resect the same. This instrument is introduced into a predetermined position of the body cavity using an endoscope while an operator is observing the endoscope.
JP1973072170U 1973-06-20 1973-06-20 Expired JPS5727445Y2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1973072170U JPS5727445Y2 (en) 1973-06-20 1973-06-20
DE2429462A DE2429462C2 (en) 1973-06-20 1974-06-18 Electrosurgical instrument
US480855A US3910279A (en) 1973-06-20 1974-06-19 Electrosurgical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973072170U JPS5727445Y2 (en) 1973-06-20 1973-06-20

Publications (2)

Publication Number Publication Date
JPS5022384U JPS5022384U (en) 1975-03-13
JPS5727445Y2 true JPS5727445Y2 (en) 1982-06-15

Family

ID=28242485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1973072170U Expired JPS5727445Y2 (en) 1973-06-20 1973-06-20

Country Status (3)

Country Link
US (1) US3910279A (en)
JP (1) JPS5727445Y2 (en)
DE (1) DE2429462C2 (en)

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US6235026B1 (en) * 1999-08-06 2001-05-22 Scimed Life Systems, Inc. Polypectomy snare instrument
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US6471659B2 (en) 1999-12-27 2002-10-29 Neothermia Corporation Minimally invasive intact recovery of tissue
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US6517550B1 (en) 2000-02-02 2003-02-11 Board Of Regents, The University Of Texas System Foreign body retrieval device
US20030083656A1 (en) * 2000-11-07 2003-05-01 George Morrison Tissue separator assembly and method
US7534242B2 (en) * 2003-02-25 2009-05-19 Artemis Medical, Inc. Tissue separating catheter assembly and method
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Also Published As

Publication number Publication date
DE2429462C2 (en) 1982-11-04
DE2429462A1 (en) 1975-01-16
US3910279A (en) 1975-10-07
JPS5022384U (en) 1975-03-13

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