Expandable guide sheath and apparatus and methods for making them
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United States of America Patent
Stats
-
Aug 28, 2012
Grant Date -
Jun 24, 2010
app pub date -
Mar 2, 2010
filing date -
Oct 3, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus for providing access to a body lumen includes a tubular proximal portion and an expandable distal portion, which extends distally from a distal end of the proximal portion. The expandable distal portion includes an expandable sheath and a stiffening member. The proximal portion has a first lumen extending from a proximal end to a distal end thereof, and the expandable sheath defines a second lumen that is in fluid communication with the first lumen and extends distally from the proximal portion to a distal terminal opening of the second lumen. The stiffening member is attached directly to the expandable sheath so as to extend alongside the second lumen, and the distal terminal opening of the second lumen is defined by a portion of a perimeter of a distal terminal end of the expandable sheath that becomes spaced apart from the stiffening member when the sheath is expanded.
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