Atherectomy device for reducing damage to vessels and/or in-vivo

Details Atherectomy device for reducing damage to vessels and/or in-vivo Atherectomy device for reducing damage to vessels and/or in-vivo

1999-08-02

2000-12-05

Buiz, Michael

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

A61B 1722

Patent

active

061560480

ABSTRACT:
An atherectomy device that may reduce the risk of damage to a vessel wall. One rotatable atherectomy burr has a recessed material removal portion lying between less abrasive proximal and distal shoulders. The shoulders can have a straight, rounded or elliptical taper. The shoulders can perform a cam action when the burr is canted is a vessel, as when passing the burr and guide wire through a tortuous, stenosed vessel path. The shoulders act to align the burr with the path through the vessel, presenting the less abrasive shoulders to the vessel wall while presenting the abrasive portion to a stenosis.

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