Patent ID: 6569177
Filing Date: 2003-05-27
Classification: A61B

Abstract:
An ablation burr for removing deposits from a patient's vessel, the ablation burr comprising:a burr body having a proximal end, a distal end, and a maximum diameter at an axial location between the proximal end and the distal end, wherein the burr body further comprises a back portion, a first surface disposed between the back portion and the distal end, and a second surface disposed between the first surface and the distal end of the burr; a plurality of first abrasive particles having a first characteristic linear dimension that are affixed to the first surface; a plurality of second abrasive particles having a second characteristic linear dimension that is less than the first characteristic linear dimension, the second abrasive particles being affixed to the second surface; and wherein the first abrasive particles comprise diamond particles.