Method of balloon formation by cold drawing/necking
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United States of America Patent
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Sep 15, 1998
Issued Date -
N/A
app pub date -
Oct 20, 1997
filing date -
Nov 8, 1995
priority date (Note) -
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Abstract
A method for forming a balloon for a dilatation catheter involving the steps of extruding a segment of thermoplastic material, maintaining the center portion at a temperature below the glass transition of the thermoplastic material, drawing the segment to a predetermined length, wherein after the drawing the wall thickness of the center portion does not appreciably change, and expanding the segment in a mold to produce the balloon.
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Cited Art Landscape
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