Low profile catheter shaft

Details Low profile catheter shaft Low profile catheter shaft

1997-03-06

1999-03-09

Coggins, Wynn Wood

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

604 96, 604280, A61M 3100

Patent

active

058793240

ABSTRACT:
Disclosed is a low profile catheter shaft configuration for incorporation into any of a variety of catheters. The shaft comprises an inner collapsible tube coaxially disposed within an outer tube. The outer tube may be collapsible or relatively noncollapsible. The effect of the structure is to provide first and second side-by-side lumens with a movable wall extending axially therebetween. The first lumen may occupy more than half of the inside diameter of the shaft such as during advancement along a guidewire, and the second lumen may occupy more than half of the inside diameter such as following withdrawal of the guidewire and during inflation of a balloon. Methods are also disclosed.

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