Arcuate surgical guidance system and methods
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United States of America Patent
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May 13, 2014
Grant Date -
Feb 3, 2011
app pub date -
Jul 27, 2010
filing date -
Jul 28, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This disclosure is directed to minimally-invasive devices, methods and systems used through small access portals to minimize trauma to structures adjacent the treatment site. The access device includes a guide frame and a cannula support washer movebly coupled to the guide frame. The washer has a cannula port aperture extending therethrough and a surface geometry complementary to the surface geometry of the guide frame. The complementary surface geometries limit movement of the cannula port aperture to arcuate movement along a surface segment of a sphere.
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