Surgical device comprising a radially expandable non-conductive sheath
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United States of America Patent
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May 14, 2002
Grant Date -
N/A
app pub date -
Feb 9, 1998
filing date -
Feb 9, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A medical instrument apparatus for forming and enlarging percutaneous penetrations comprising an elongate dilation tube (expandable sheath), silicone insert and 12' polyvinyl coated copper wire. The expandable sheath is radially expandable from a small diameter configuration to a large diameter configuration capable of receiving an external stationary tube, for example, a debriding apparatus. The external stationary tube contacts a metal tab housed in the silicone insert which is attached to the 12' electrical cord, allowing an electrical current to pass down the external stationary metal tube thereby becoming the cauterizing instrument to coagulate hemorrhage in the operative field (joint).
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