Stent deployment catheter with collapsible sheath
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United States of America Patent
Stats
-
Jul 9, 1996
Grant Date -
N/A
app pub date -
May 18, 1995
filing date -
May 18, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides an improved stent delivery catheter. The stent delivery system comprises a catheter having a stent receiving portion adapted to receive a stent near the distal end of the catheter and a stent concentrically arranged around the catheter within the stent receiving portion. The stent delivery system further comprises a proximal outer sheath, a retractable distal sheath surrounding at least a portion of the stent and containing the stent in its reduced delivery configuration and a pull back means connected to the retractable distal sheath. The system further comprises a collapsible sheath concentrically arranged around the catheter and located between the retractable distal sheath and the proximal outer sheath, whereby when the pull back means is pulled proximally the distal sheath is retracted, causing the collapsible sheath to collapse and freeing the stent for delivery.
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