Catheter including a unibody distal guidewire port and...

A - Human Necessities – 61 – M

Patent

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A61M 25/00 (2006.01)

Patent

CA 2535126

Methods and devices incorporating a guidewire entry port subassembly for use in rapid exchange catheters. The use of a subassembly allows for stronger quality control and simpler fabrication of a rapid exchange device. In several embodiments, methods of making a molded guidewire entry port using a mold, often in conjunction with one or more mandrels, are disclosed. Several device embodiments include a separate molded guidewire port as well as molded guidewire ports which are attached, during a molding step, to segments of a catheter.

L'invention concerne des procédés et des dispositifs faisant intervenir un sous-ensemble orifice d'entrée pour fil-guide à utiliser dans des cathéters à échange rapide. L'utilisation d'un sous-ensemble permet un contrôle de meilleure qualité et une fabrication simplifiée d'un dispositif à échange rapide. Dans plusieurs modes de réalisation, l'invention concerne des procédés de production d'un orifice d'entrée pour fil-guide moulé au moyen d'un moule, souvent conjointement avec un ou plusieurs mandrins. Plusieurs modes de réalisation décrivent un orifice de fil-guide moulé séparé ainsi que des orifices de fil-guide moulés qui sont reliés, pendant une étape de moulage, à des segments d'un cathéter.

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