WOUND RETRACTION APPARATUS AND METHOD
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United States of America Patent
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app pub date -
Feb 12, 2013
filing date -
Oct 20, 2001
priority date (Note) -
Abandoned
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Abstract
A surgical wound retractor is adapted to dilate a wound stretchable to a desired diameter through body cavities of varying thicknesses. The retractor includes a first ring having a diameter greater than that desired for the wound and being adapted for disposition interiorly of the wound, a second ring having a diameter greater than that desired for the wound and is adapted for disposition exteriorly of the wound, and a sheath disposed between the two rings. Optionally, the second ring may be detachably attached to the sheath to adapt the retractor to body cavities of varying thickness. Additional rings may be disposed along the sheath to provide for adjustment of the distance between the first and second rings. The retractor may also include an expandable foam annulus that can adjust the distance between the first and second rings.
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