Catheter system having distal tip for opening obstructions

Details Catheter system having distal tip for opening obstructions Catheter system having distal tip for opening obstructions

1990-06-14

1992-05-26

Pellegrino, Stephen C.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606171, A61B 1700

Patent

active

051163500

ABSTRACT:
A drive catheter having a distal tip for opening a partially or totally obstructed blood vessel. Both manual and motor applied motions are disclosed. In addition to a continuous rotation, two reciprocating motions are disclosed. One reciprocating motion is a back and forth translation of the tip in a ramming motion. A second reciprocating motion is a back and forth rotation about an axis. Different shaped tips are disclosed for the two reciprocating motions.

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patent: 4747821 (1988-05-01), Kensey et al.
patent: 4749376 (1988-06-01), Kensey et al.
patent: 4936845 (1990-06-01), Stevens

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