Access device for minimally invasive surgery
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United States of America Patent
Stats
-
Jan 12, 2010
Grant Date -
Nov 18, 2004
app pub date -
May 13, 2004
filing date -
May 16, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A retractor has a proximal portion comprising a first side portion having a first longitudinal edge and a second side portion having a second longitudinal edge. The first and second portions being movable relative to each other such that the first and second longitudinal edges can be positioned in close proximity to each other or spaced apart by a selected distance. A distal portion is coupled with the proximal portion. The distal portion has an outer surface and an inner surface partially defining a passage. The distal portion is capable of having a configuration when inserted within the patient wherein the cross-sectional area of the passage at a first location is greater than the cross-sectional area of the passage at a second location, wherein the first location is distal to the second location.
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