Catheter having an adhesive braid wire constraint and method of

Details Catheter having an adhesive braid wire constraint and method of Catheter having an adhesive braid wire constraint and method of

1997-02-13

1999-09-14

Hindenburg, Max

Surgery

Diagnostic testing

Flexible catheter guide

600435, 604282, A61B 500

Patent

active

059514957

ABSTRACT:
A tubing assembly and method of manufacture for a catheter of the type having an inner tubular member defining a lumen, an outer tubular member surrounding said inner member, and a support member mounted between the tubular members to provide rigidity to the flexible catheter. The support member comprises a wire braid, and in the preferred embodiment comprises a stainless steel wire braid which has been tempered or hardened to give it a significantly high tensile strength. This higher tensile strength affords significantly greater kink resistance to the flexible catheter as the lumen size is increased and the wall thickness is decreased, however, the high tensile strength wire braid has the disadvantage of tending to flare out at its free ends. Therefore, means are provided for preventing the flaring of the wire braid during manufacture of the tubing assembly.

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