Balloon catheter
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United States of America Patent
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-
Dec 2, 1997
Grant Date -
N/A
app pub date -
May 15, 1995
filing date -
Aug 23, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An expansible balloon catheter has at least a first exterior surface with a given coefficient of friction and a second exterior surface with a greater coefficient of friction. In a compact form only the first exterior surface is exposed to produce a low coefficient of friction during transfer of the collapsed or uninflated balloon to and across a lesion. When inflated, the second surface dominates the first surface and produces an increased coefficient of friction overall thereby to stabilize the balloon in the lesion.
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Family
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