Variable stiffness balloon catheter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 27, 2001
Grant Date -
N/A
app pub date -
Oct 8, 1999
filing date -
Nov 7, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved balloon catheter which may be used for angioplasty or for placing a reinforcing stent into a human vessel which has a variable stiffness catheter portion for guiding the catheter through the vasculature. The catheter portion of the balloon catheter includes a relatively stiff shaft portion which is reinforced with braided layer and more flexible distal portion which is reinforced with a single helically wire coil so that the relatively stiff shaft portion may be advanced along a guidewire and the more flexible distal portion may be guided through the tortuous vasculature.
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