BALLOON CATHETER SYSTEM FOR TREATING VASCULAR OCCLUSIONS
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United States of America Patent
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app pub date -
Dec 18, 2008
filing date -
Oct 14, 2005
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Abandoned
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Abstract
The present invention provides a balloon catheter comprising: a hollow inner shaft disposed within a hollow outer shaft; a balloon attached at its proximal end to said outer shaft and at its distal end to said inner shaft; wherein the inner shaft is constructed such that following radial expansion of the balloon to a first expanded state, said inner shaft is capable of responding to further longitudinal expansion of the balloon to a second expanded state by increasing its length from a resting value, and of responding to subsequent partial deflation back to said first expanded state by reducing its length back to said resting value.
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