Patent ID: 9629580
Date: 2017-04-25
CPC Classifications: A61B

Claim:
1. A system for providing feedback during ligament insertion in knee joint orthopedic surgeries comprising: an imaging device providing knee joint articular surface geometry data; a position measuring device providing distal ligament insertion sites; a strain measuring device providing ligament reference strain; a drive system providing a prescribed kinematic path for the knee joint; an adaptive migration application configured to receive inputs comprising said knee joint articular surface geometry data, said distal ligament insertion sites, said ligament reference strain and said prescribed kinematic path for the knee joint and to generate outputs comprising sets of isotonic, hypertonic and hypotonic points representing proximal insertion sites of a ligament fiber associated with prescribed distal ligament insertion sites; wherein the adaptive migration application generates said set of isotonic, hypertonic and hypotonic points so that the ligament fiber stretched between two isotonic points has minimal change in tension throughout a flexion arc.