Expandable cannula
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 6, 2001
Grant Date -
N/A
app pub date -
Dec 21, 1999
filing date -
Dec 23, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An expandable cannula having a plurality of wall surfaces, the wall surfaces being foldable together one over another such that the cannula assumes a first cross sectional area, and the wall surfaces being unfoldable such that the cannula assumes a second cross sectional area, wherein the first cross sectional area is smaller than the second cross sectional area.
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Cited Art Landscape
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