Surgical operation system and method of securing working space for surgical operation in body
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United States of America Patent
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Nov 2, 1999
Grant Date -
N/A
app pub date -
Jun 11, 1998
filing date -
Jul 11, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical operation apparatus of this invention includes an operation sheath having a cavity securing portion that is inserted into vital tissue through the skin to secure a working cavity for a surgical operation in the body, and a sheet member that allows an operation tool to be inserted from outside the body into the cavity. The operation sheath is guided into the vital tissue by guide tools such as a dilator, a soft tube, and a mandrin.
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