Collapsible balloon catheters
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United States of America Patent
Stats
-
Mar 23, 1993
Grant Date -
N/A
app pub date -
Apr 26, 1991
filing date -
Apr 26, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible plastic inflatable and collapsible medical dilatation balloon and balloon catheter wherein the internal surface of the balloon has been formed with a longitudinal geometry that prevents a flat collapsed configuration of the balloon. The internal surface of the balloon is imparted with a small raised rib configuration, which maintains a minimal contact with the internal surface of the balloon, so that the ribs remain in place along the length of the balloon. The geometry so formed on the internal surface of the balloon also increases the pressures the balloon would normally withstand when the balloon is inflated to dilate a vein or artery. The internal surface geometry can be manufactured by extrusion methods.
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Family
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