Patent ID: 8568415
Filing Date: 2013-10-29
Classification: A61B

Abstract:
1. A method of performing a surgical drilling procedure on bodily material at a target site of a patient, the method comprising: providing a surgical cutting instrument including an outer tube, a bearing sleeve disposed in the outer tube, an inner wire assembly, and a cutting tip, the inner wire assembly being co-axially disposed within the outer tube and bearing sleeve and the cutting tip being connected to the inner wire assembly at a distal section and positioned distal a distal end of the outer tube, the distal section defining an outer diameter in a range of about 0.635 to 1.14 mm and wherein the cutting tip is a bur defining an outer dimension of not less than about 3 mm; exposing the bodily material at the target site; deploying the cutting tip against the bodily material; and rotating the inner wire assembly within the outer tube and the bearing sleeve such that a distal section of the inner wire assembly is maintained by the bearing sleeve and a proximal section of the inner wire assembly is maintained by the outer tube to initiate a cutting interface between the cutting tip and the bodily material in contact therewith.