Cardiovascular stent and retrieval apparatus
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United States of America Patent
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-
Jul 1, 1997
Issued Date -
N/A
app pub date -
Jan 25, 1995
filing date -
Mar 25, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a removable cardiovascular stent, an apparatus for the retrieval of the stent and a method for removal of the stent. The removable stent includes radially inwardly extending engagement members for contacting an extraction catheter. The extraction catheter includes a tubular body and an axially moveable guidewire, each adapted to grasp the engagement members of the tubular stent. The stent is elongated in an axial direction thereby reducing the cross-sectional area of the stent. The stent can be removed directly, or can fit within the tubular body of the extraction catheter for atraumatic removal from the treatment location.
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