Instruments and methods for minimally invasive tissue retraction and surgery
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United States of America Patent
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Jul 12, 2011
Grant Date -
Jun 18, 2009
app pub date -
Jan 2, 2009
filing date -
Jun 26, 2002
priority date (Note) -
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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. An optional intermediate retractor assembly is positionable between the first and second retractor portions to provide further tissue retraction capabilities.
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