Patent ID: 9737322
Date: 2017-08-22
CPC Classifications: A61B

Claim:
1. A surgical method of removing tissue of a patient, comprising: grasping a surgical cutting instrument, the instrument comprising: an inner blade co-axially disposed within the outer blade, the inner blade having tubular side walls and an open distal end formed at a distal end of the tubular side walls, the distal end positioned adjacent the end cap of the outer blade, the inner blade including a cutting tip having a first side wall opening including cutting teeth extending circumferentially toward one another across the first side wall opening and defining side surfaces of the first side wall opening, a second side wall opening circumferentially spaced from the first wall opening, and at least two projections longitudinally extending toward the open distal end between the first side wall opening and the second side wall opening, each of the at least two projections including an end cutting surface extending parallel to a plane of the end cap, wherein the open distal end is open between the at least two projections with the end cutting surface of each of the at least two projections independently and separately terminating at the open distal end, wherein the cutting tip is rotatably exposed at the cutting window; positioning the cutting window and cutting tip to a target site; supplying fluid through an irrigation pathway to the cutting window and the target site; rotating the cutting tip of the inner blade to selectively cut the tissue; and aspirating fluid and cut tissue.