Electrosurgical device
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United States of America Patent
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-
Dec 28, 1993
Grant Date -
N/A
app pub date -
Oct 9, 1991
filing date -
Oct 9, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrosurgical device for laparoscopic use in tissue dissection and coagulation. The device includes a barrel member having a dissection tip at the distal end thereof that is connected to a source of electrical energy. An insulating sheath member surrounds the barrel member. The sheath member is movable between a first position wherein the distal end thereof extends distally beyond the dissection tip and a second position wherein the dissection tip extends distally beyond the distal end portion of the sheath member. The device includes means to flush and vacuum the surgical site. The device also includes pressure relief means to limit the internal pressure within the device.
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