A Two Centre Study to Assess the Stability and Long-term Performance of the C-Stem™ AMT in a Total Primary Hip Replacement

Inclusion Criteria: i) Male or female subjects, aged between 60 and 80 years inclusive. ii) Subjects who are able to give voluntary, written informed consent to participate in this investigation and from whom consent has been obtained. iii) Subjects who, in the opinion of the Investigator, are able to understand this investigation, co-operate with the investigational procedures and are willing to return to the hospital for all the required post-operative follow-ups. iv) Subjects undergoing primary total hip replacement that are considered suitable for a cemented femoral stem and metal femoral head and an all polyethylene acetabular cup. Exclusion Criteria: i) Subjects who, in the opinion of the Investigator, have an existing condition that would compromise their participation and follow-up in this study. ii) Subjects undergoing revision hip replacement iii) Subjects undergoing simultaneous bilateral hip replacements. iv) Subjects with a contralateral hip replacement, which was implanted less than six months previously or is not performing satisfactorily. v) Women who are pregnant. vi) Subjects who are known drug or alcohol abusers or with psychological disorders that could affect follow-up care or treatment outcomes. vii) Subjects who have participated in a clinical study with an investigational product in the last 12 months. viii) Subjects who are currently involved in any injury litigation claims.