Folding spring for a catheter balloon
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 30, 2002
Grant Date -
N/A
app pub date -
May 1, 2001
filing date -
May 1, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A device for folding a balloon of a balloon catheter during balloon deflation includes a band and a plurality of elongated fingers that are attached to the band. The band is formed with a tab and a notch and the length of the band corresponds to the diameter of the catheter tube. The band is folded into an annulus to interlock the tab with the notch. The annulus is attached to the catheter tube of the balloon catheter with the fingers extending over the balloon in a substantially same axial direction. In operation, the fingers are moveable between an unstressed configuration, when the balloon is deflated, and a stressed configuration, when the balloon is inflated. In a stressed configuration, the fingers urge against the balloon and are biased toward the stressed configuration to return to an unstressed configuration.
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