Patent ID: 9113884
Filing Date: 2015-08-25
Classification: A61B,F04C

Abstract:
1. A modular circular surgical instrument comprising: an actuator for generating an actuation motion; an actuation system configured to generate a plurality of discrete rotary drive motions in response to an application of said actuation motion thereto; and an elongated shaft assembly operably interfacing with said actuation system and configured to be interchangeably attached to a plurality of different surgical tool heads such that upon attachment of a first one of said surgical tool heads thereto, said elongated shaft assembly is caused to interact with said actuation system to impart a first one of said discrete rotary drive motions to said first surgical tool head upon said application of said actuation motion to said actuation system and when a second one of said surgical tool heads is attached to said elongated shaft assembly, said elongated shaft assembly is caused to interact with said actuation system to impart a second one of said discrete rotary drive motions to said second surgical tool head upon said application of said actuation motion to said actuation system, wherein said actuation system is selectively movable between a rotary drive position and an axial drive position, and wherein said elongated shaft assembly comprises: