Experimental method for the in vitro testing of the initial stability of cementless hip prostheses☆
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Cited by (52)
Stem micromotion after femoral impaction grafting using irradiated allograft bone: A time zero in vitro study
2013, Clinical BiomechanicsCitation Excerpt :The evaluation of the in vitro stability of a prosthesis is determined by measuring the relative motion between the prosthesis and the surrounding bone (micromotion). A number of studies have measured prosthesis micromotion along various anatomical axes (axial, anterior–posterior, medial–lateral), either uniaxially (Baleani et al., 2000; Bieger et al., 2012; Burke et al., 1991; Callaghan et al., 1992; Choi et al., 2010; Claes et al., 2000; Gotze et al., 2002; Harman et al., 1995; Hua and Walker, 1994; McKellop et al., 1991; Schneider et al., 1989a, 1989b), biaxially (Bachus et al., 1999; Cristofolini et al., 2007; Pal et al., 2010), or triaxially (Berzins et al., 1993; Buhler et al., 1997; Dujardin et al., 1996; Fottner et al., 2011; Ostbyhaug et al., 2010; Speirs et al., 2000; Walker et al., 1987). Prosthesis stability was defined as the magnitude of micromotion that encourages bony ingrowth into the prosthesis, which has been found to be approximately 40 μm or less (Engh et al., 1992; Pilliar et al., 1986).
Design and evaluation of a device for measuring three-dimensional micromotions of press-fit femoral stem prostheses
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This manuscript has in part been presented at the 33rd Meeting of the Orthopaedic Research Society, San Francisco, CA, January 19–22, 1987.