Lead Sponsor

Orthosensor, Inc.

Age

45 - 80 years

Sex

ALL

Healthy Volunteers

Yes

•Subject must be a candidate for a primary PCL retaining total knee arthroplasty
•Subject must be diagnosed with one or more of the following conditions: osteoarthritis, avascular necrosis, rheumatoid or other inflammatory arthritis, post-traumatic arthritis
•Subject is between the age of 45 - 80 years
•Subject is likely to be available for all study visits
•Subject is able and willing to sign the informed consent and follow study procedures

•Prior total knee arthroplasty, ligament insufficiencies, prior surgeries such as ACL or PCL reconstructions, posterolateral reconstructions, osteotomies, tibia plateau fractures
•Range of Motion less than 90 degrees, flexion contracture of more than 20 degrees