Stent delivery system
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United States of America Patent
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-
Jul 1, 2008
Grant Date -
Feb 23, 2006
app pub date -
Aug 17, 2004
filing date -
Aug 17, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A medical device comprises a catheter, a retractable sheath, and a rolling membrane. The catheter includes a catheter shaft about which a stent in a reduced diameter configuration may be disposed. A stent retaining region of the sheath is disposed about the stent to retain the stent in the reduced diameter state prior to delivery. The rolling membrane is engaged to a portion of the sheath at an engagement region. The rolling membrane is positioned between the catheter shaft and the sheath and prior to retraction of the sheath the rolling membrane is disposed about at least a proximal section of the stent and is rollingly retracted therefrom when the sheath is retracted to deliver the stent.
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