Apparatus for resecting tissue inside the body cavity utilizing high-frequency currents
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United States of America Patent
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-
Jan 19, 1982
Grant Date -
N/A
app pub date -
Oct 9, 1979
filing date -
Oct 12, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
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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