Balloon catheter
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United States of America Patent
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Oct 4, 1994
Grant Date -
N/A
app pub date -
May 28, 1993
filing date -
May 28, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There is disclosed a balloon catheter wherein the balloon is fabricated of a high pressure, ultra-thin wall modified polyethylene terephthalate copolymer, and has a desired memorized shape. In a preferred embodiment the balloon has a central waist-like configuration suitable for valvuloplasty. The polymer can be heat-shaped and retains or memorizes a desired shape thereafter. The balloon is blow-molded and attached to a catheter for inflation through a lumen thereof. When inflated to a first low pressure it assumes the desired shape, and rounds out after a second inflating pressure is achieved.
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