Surgical access apparatus and method
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United States of America Patent
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May 17, 2011
Grant Date -
Sep 28, 2006
app pub date -
May 17, 2006
filing date -
Jan 17, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A trocar system for providing access across a body wall includes a trocar and an anchor provided in the form of a first helix. The anchor is adapted for placement in an operative position wherein the anchor extends at least partially through the body wall. A second helix formed on the trocar is size and configured to engage the first helix of the anchor so that rotation of the trocar relative to the anchor moves the second helix along the first helix. In this manner, the trocar is drawn into the anchor as it moves into the body wall. A proximal force applied to the anchor resists tenting of the abdominal wall. The anchor also holds the layers of the body wall together thereby resisting peritoneal separation.
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