Catheter having enhanced distal pushability

Details Catheter having enhanced distal pushability Catheter having enhanced distal pushability

2006-04-04

2006-04-04

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S096010, C606S192000

Reexamination Certificate

active

07022106

ABSTRACT:
Apparatus for enhancing pushability and minimizing kinking of a balloon catheter is provided, wherein a catheter comprises inner and outer tubes, and a balloon that is proximally affixed to the outer tube and distally affixed to the inner tube. The outer tube extends distal to the proximal affixation point and at least partially into the balloon segment to provide additional stiffness and pushability. The outer tube may taper and connect to the inner tube or to radiopaque markers disposed thereon. The outer tube further may be selectively reinforced, as by using multipart construction or using different tube textures, to selectively provide added stiffness in areas susceptible to kinking.

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