Cavity retaining tool for bone surgery, a cavity retaining tool for general surgery, an endoscopic surgery system involving the use of a cavity retaining tool, and a procedure for surgery
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United States of America Patent
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Apr 16, 2002
Grant Date -
N/A
app pub date -
May 8, 1997
filing date -
May 9, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cavity-retaining tool for bone surgery includes a cavity-retaining sheath which is inserted into the body and forms a cavity to act as a work space for bone surgery, a treatment channel which is placed in the cavity-retaining sheath and guides treatment tools necessary for the treatment of a bone into the space for bone surgery, an observation tool which is attached to the cavity-retaining sheath and by which to observe the operation field within the space for bone surgery, and a fitting portion which is placed at a tip of the cavity-retaining sheath and fits the tip of the cavity-retaining sheath to a bone.
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