Method of manufacturing a porous balloon
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United States of America Patent
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-
Jul 1, 2003
Issued Date -
N/A
app pub date -
Aug 31, 2000
filing date -
Aug 31, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method of manufacturing a porous elastic membrane that may be used in a balloon assembly of a balloon catheter is described. In the method, an elastic membrane material is expanded beyond an intended deployment expansion to a hyper-expanded state. Apertures are then formed in the hyper-expanded material. After contraction, the now-porous membrane can be used to form the outer wall of the balloon assembly. An aperture formed in the hyper-expanded membrane will have a smaller diameter than when the balloon is inflated to a smaller deployment expansion in the patient's body.
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