Access systems and methods for minimally invasive surgery
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United States of America Patent
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Apr 6, 2010
Grant Date -
Dec 8, 2005
app pub date -
Aug 26, 2004
filing date -
Aug 26, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A device for provides access to a surgical location within a patient. The device has an elongate body that has a proximal portion, a distal portion, a first slot segment, and a second slot segment that is angled relative to said first slot segment. The elongate body defines a passage for accessing the surgical location with surgical instruments. The elongate body has a contracted configuration for insertion into the patient and an expanded configuration for providing access to the surgical location. The cross-sectional area of the passage at a first location of the elongate body is greater than the cross-sectional area of said passage at a second location of the elongate body. A movable tab is configured to extend into the second slot segment when the elongate body is in the expanded configuration to retain the elongate body in the expanded configuration.
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