Patent ID: 8945021
Filing Date: 2015-02-03
Classification: A61B

Abstract:
1. An instrument comprising: an elongate body portion defining a lumen and having a distal end and a proximal end, the elongate body portion extending along a longitudinal axis; an open member extending distally from the distal end of the elongate body portion, the open member defining an opening for receiving tissue, wherein the opening is defined by a plane that is perpendicular to a plane perpendicular to the longitudinal axis; a rotating drive shaft extending within the lumen; and a rotatable cutting member, a proximal end of the rotatable cutting member coupled to and extending distally of a distal end of the rotating drive shaft, the rotatable cutting member configured to rotate about the longitudinal axis to circumscribe a volume partially enclosed by the open member, wherein the rotatable cutting member consists of a single arcuate shaped cutting member.