Slotted mold for making a balloon catheter

Details Slotted mold for making a balloon catheter Slotted mold for making a balloon catheter

2008-01-01

2008-01-01

Gupta, Yogendra N. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

C425S393000, C425S526000, C425S384000

Reexamination Certificate

active

07314364

ABSTRACT:
A method of making a catheter balloon, and a balloon formed thereby, in which a polymeric tube is radially expanded in a mold having a wall with an outer surface and an inner surface defining a chamber, and having at least a section with one or more channels in the wall. The channels result in improved transfer of heat to the polymeric tube within the chamber of the mold during blow molding of the tube to form a balloon, so that the tube is heated more quickly and evenly. One aspect of the invention is directed to a balloon having sections with improved thin walls.

REFERENCES:
patent: 3901965 (1975-08-01), Honeyman, III
patent: 3985601 (1976-10-01), Panagrossi
patent: 5304340 (1994-04-01), Downey
patent: 5522961 (1996-06-01), Leonhardt
patent: 5773109 (1998-06-01), Kubo et al.
patent: 5807520 (1998-09-01), Wang et al.
patent: 6013055 (2000-01-01), Bampos et al.
patent: 6117386 (2000-09-01), Stiger
patent: 6258099 (2001-07-01), Mareiro et al.
patent: 6328710 (2001-12-01), Wang et al.

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