Method of forming balloon catheter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 28, 2001
Grant Date -
N/A
app pub date -
Feb 3, 2000
filing date -
Feb 3, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A balloon catheter is formed by a heat shrinkable tube. In the method, a rod member is inserted into the shrinkable tube, and parts of the shrinkable tube are heated so that the parts of the shrinkable tube shrink to thereby form end portions of at least one balloon portion while a portion away from the end portions does not shrink. Two end portions of the balloon portion are processed to have a small diameter. Then, the rod member is removed from the shrinkable tube, and a catheter shaft is inserted into the balloon portion to completely pass therethrough. Finally, the two end portions of the balloon portion are fixed onto the catheter shaft. Since the heat shrinkable tube with the constant thickness is used, high quality catheter can be formed without fail.
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