Balloon catheter with guidewire valve
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United States of America Patent
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-
Nov 9, 1993
Grant Date -
N/A
app pub date -
Aug 23, 1991
filing date -
Aug 23, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An angioplasty balloon catheter having a balloon carried at the distal end of a catheter shaft. The catheter shaft includes an inflation lumen by which the balloon is inflated and deflated. A guide wire passage extends through the balloon. A guide wire assembly extends through the catheter shaft, through guide wire passage, and out the distal end of the balloon. The guide wire assembly carries, near its distal end, a selectively radially expandable valve which is used to limit or block fluid flow between the shaft lumen and the patient's body during inflation and deflation of the balloon.
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