Stent deployment device with two balloons
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United States of America Patent
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-
Nov 9, 1999
Grant Date -
N/A
app pub date -
Sep 11, 1997
filing date -
Sep 11, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A stent delivery device having a pair of balloons at a proximal end of a catheter and having separate lumens for selectively inflating the respective balloons. The outer balloon is relatively compliant and the inner balloon is relatively non-compliant. A central lumen is provided for a guide wire. A stent is carried by the delivery device within an axially retractable sheath at the distal end of the catheter and is deployed by retraction of the sheath and inflation of the compliant balloon, and the stent is subsequently expanded by inflation of the non-compliant balloon.
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