Apparatus for resecting tissue inside the body cavity utilizing

Details Apparatus for resecting tissue inside the body cavity utilizing Apparatus for resecting tissue inside the body cavity utilizing

1979-10-09

1982-01-19

Cohen, Lee S.

Surgery

Truss

Pad

A61B 1739

Patent

active

043111432

ABSTRACT:
Disclosed is an apparatus for resecting tissue inside the human body cavity by means of high-frequency currents which comprises an electrically insulating elongate tubular sheath, a first electrode exposed at the distal end portion of the sheath, a snare capable of advance and retreat within the sheath and bringing tissue to be resected which is grasped thereby into close contact with the first electrode, the snare constituting a second electrode, the snare constituting a second electrode, a control wire capable of advance and retreat within the sheath and coupled to the snare, whereby the snare is controlled, and a means for supplying high-frequency currents to the snare and the first electrode through the interior of the sheath.

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patent: 3955578 (1976-05-01), Chamness et al.
patent: 3982542 (1976-09-01), Ford et al.
patent: 4043342 (1977-08-01), Morrison, Jr.
patent: 4116198 (1978-09-01), Roos

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