Molded tip and tubing and method of making same

Details Molded tip and tubing and method of making same Molded tip and tubing and method of making same

B - Operations, Transporting

29

D

B29D 23/00 (2006.01) A61M 25/00 (2006.01) B29C 65/70 (2006.01)

Patent

CA 2315754

The invention relates to a molded tip on tubing and a method of making the same. The molded tip is molded on the tubing in a mold cavity and is for use in a stent delivery device, guide catheter, or angiographic catheter. The tip portion is connected to the shaft by moulding, whereby the surface of the distal part of the shaft is mechanically or chemically treated to enhance bonding. Prefered material used for the tube shaft is PEEK and for the tip portion a polyurethane or polyether block amide.

L'invention porte sur un embout moulé sur une tubulure, sur son procédé de fabrication par moulage dans la cavité d'un moule, et sur ses utilisations, comme dispositif de mise en place de prothèses endovasculaires, comme cathéter guide, ou comme cathéter d'angiographie. L'embout est fixé à l'arbre par moulage après que l'extrémité distale de la tubulure ait été traitée mécaniquement ou chimiquement pour en renforcer l'adhérence. Le matériau préféré est le PEEK pour la tubulure, et du polyuréthane ou un polyéther séquencé amide.

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