Method for making a balloon catheter

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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294551, 29516, 29523, 156296, 26417126, 26417319, 264516, 2645731, 604 96, B29C 4902

Patent

active

058241736

ABSTRACT:
A method of making an intravascular balloon catheter that has an elongated shaft defining an inflation lumen and a guidewire lumen, as well as a balloon disposed near the distal end of the shaft. The method may include forming an inner shaft by coextruding a flexible plastic tube by bringing a molten outer plastic layer into contact with a molten inner plastic layer, thereby bonding the plastic layers together during the coextrusion process. The inner plastic layer may be more lubricious than the outer plastic layer.

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