Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_15 | Pages 46 - 46
1 Mar 2013
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Improper acetabular component orientation has been shown to negatively affect the outcome of total hip arthroplasty through increasing dislocation rates, component impingement, bearing surface wear, and the rate of revision surgeries. The “Safe Zone” was defined by Lewinnek et al. in 1978 as 5 to 25 degrees of cup version and 30 to 50 degrees of cup inclination. Later, the inclination “Safe Zone” values were modified to 30 to 45 degrees. The primary purpose of this study was to assess whether the use of Mako robotic hip system improves cup positioning when compared to traditional THR.Introduction
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