Surgical access apparatus and method
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United States of America Patent
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Jan 31, 2012
Grant Date -
May 28, 2009
app pub date -
Jan 27, 2009
filing date -
Oct 19, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical access device includes a single valve that forms a seal with the body wall and provides an access channel into a body cavity. The valve has properties for creating a zero seal in the absence of an instrument as well as an instrument seal with instruments having a full range of instrument diameter. The valve can include a gel and preferably an ultragel comprised of an elastomer and an oil providing elongation greater than 1000 percent and durometer less than 5 Shore A. The single valve can be used as a hand port where the instrument comprises the arm of a surgeon, thereby providing hand access into the cavity.
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