Catheter shaft with coextruded stiffener

Details Catheter shaft with coextruded stiffener Catheter shaft with coextruded stiffener

2005-02-15

2005-02-15

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S528000, C604S164130, C264S634000

Reexamination Certificate

active

06855137

ABSTRACT:
A steerable catheter having a shaft with one or more internal stiffeners coextruded within the shaft along a portion of its length. The internal stiffeners have a higher or lower hardness than the body of the catheter shaft. The overall stiffness of the shaft varies along its length for improved steerability.

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patent: 6325790 (2001-12-01), Trotta
patent: 6530897 (2003-03-01), Nardeo
Plastics Technology Online Article “Medical Tubing Coextrusion Brings a New Level of Care” by Jan H. Schut, 6 pgs.

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