ARTHROPLASTY
Cemented THA using a rim cutter provides superior radiographic fixation
J Arthroplasty. 2009 Jan;24(1):71-6. Epub 2008 Apr 1040 patients scheduled for elective cemented total hip arthroplasty (THA) were randomized to one of two fixation methods. The intervention group underwent cemented THA using a rim cutter to provide a shelf for the prosthetic flange. The control underwent cemented THA without the use of a rim cutter. The results from this trial indicated that the use of a rim cutter provided superior cement penetration and improved cement mantel thickness. These findings were accompanied by a reduction in prosthetic cup "bottoming out" with the use of the rim cutter.
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