Embolic cutting catheter

Details Embolic cutting catheter Embolic cutting catheter

1994-10-11

1996-04-16

Thaler, Michael H.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606180, A61B 1722

Patent

active

055077617

ABSTRACT:
An embolic cutting catheter includes an elongated generally cylindrical catheter body having a forward end and an interior passage extending therethrough. An elongated flexible guide wire is received within the interior passage and extends to the forward end. A circular baseplate receives and supports a dome-shaped cutter head and overlying safety guard. The safety guard, cutter head, and baseplate are rotatable as a common unit in response to rotation of the guide wire. In an alternate embodiment, the safety guard is formed of a flexible material and resiliently supported by a resilient guard support situated within a channel formed in the cutter head. In a further alternate embodiment, the safety guard defines a cruciform shape.

REFERENCES:
patent: 4994067 (1991-02-01), Summers
patent: 5135483 (1992-08-01), Wagner et al.
patent: 5287858 (1994-02-01), Hammerslag et al.
patent: 5364395 (1994-11-01), West, Jr.

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