Clinical Research Detail Title Of Study The purpose of this study is to gather information about total knee replacement surgery using P.F.C Sigma RP-F device and collect a long-term clinical outcome data. Disease Condition subjects who have osteoarthritis that, in the opinion of the clinical investigator,is suitable for treatment with a total knee replacement and who require a post-operative range of motion of between 125 and 155 degrees Phase of Trial Phase-4 Discipline Orthopaedics Start date of Trial 10/8/2004 Closing Date of Trial 10/8/2004 If you are a doctor interested in clinical research then upload your profile. Click here If you are a hospital interested in clinical research then upload your profile. Click here If you are a patient interested to know more about this clinical trial mail us at:   [email protected]