Catheter having highly radiopaque, flexible tip

Details Catheter having highly radiopaque, flexible tip Catheter having highly radiopaque, flexible tip

1989-06-13

1991-09-03

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

128658, A61M 2500

Patent

active

050450727

ABSTRACT:
A flexible plastic catheter defines a flexible, distal tip. In accordance with this invention, the distal tip comprises a plastic formulation containing sufficient radiopaque agent to be substantially more radiopaque and preferably softer than portions of the catheter proximal to the tip. Thus, the distal tip area of the catheter can be flexible to avoid possible tissue damage as the catheter is advanced, but is still readily visible by x-ray. At the same time, the majority of the catheter may be of normal flexibility and strength.

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patent: 4886506 (1989-12-01), Lovgren et al.
patent: 4898591 (1990-02-01), Jang et al.

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