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

1989-06-21

1990-06-26

Pellegrino, Stephen C.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606171, 606180, 604 22, A61B 1700

Patent

active

049368451

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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Cardiovascular News, McMahon Publishing Co., "High RPM Rotary Blade for Angioplasty Tested", 2/1986, pp. 1, 4.

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