Endoscopic inflatable retraction device, method of using, and method of making
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United States of America Patent
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Aug 3, 2010
Grant Date -
May 20, 2004
app pub date -
Aug 11, 2003
filing date -
May 29, 1991
priority date (Note) -
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Abstract
A method of providing access to tissue for a surgical instrument through a body wall is provided. The method includes providing an expandable retractor having a flexible sheath, the retractor being in a collapsed state; introducing the retractor into the body and placing the retractor adjacent the tissue; expanding the retractor; deploying the flexible sheath by engaging the flexible sheath with a tool and driving the flexible sheath through the body wall with the tool; and inserting the surgical instrument from outside the body through the flexible sheath to provide access to the tissue by the surgical instrument.
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