Instruments and methods for minimally invasive tissue retraction and surgery
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United States of America Patent
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Apr 7, 2009
Grant Date -
Sep 9, 2004
app pub date -
Mar 3, 2004
filing date -
Jun 26, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and devices retract tissue for minimally invasive surgery in a patient. A retractor includes a working channel formed by a first portion and a second portion. The first and second portions are movable relative to one another from a first configuration for insertion that minimizes trauma to skin and tissue to an enlarged configuration after insertion to further retract skin and tissue in a minimally invasive manner. Instruments are engageable to the first and second portions and operable to move the first and second portions relative to one another.
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