Balloon catheter with inflation-deflation valve
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United States of America Patent
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-
Feb 4, 1992
Issued Date -
N/A
app pub date -
Oct 11, 1990
filing date -
Jan 13, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A balloon catheter for use with a guide wire in angioplasty includes a main shaft which is a flexible tube which has an inflatable balloon at its distal end. The inflatable balloon is attached at its proximal and distal ends to and surrounds a guide wire director. The guide wire extends through the catheter by extending through the shaft, through the guide wire director, and out the distal end of the balloon. Located within the interior of the balloon is an inflation valve and a deflation valve used to provide a fluid tight seal around the guide wire during balloon inflation and deflation.
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