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Hip joint prostheses
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Fatigue test ISO 7206-4, 6 and PI-58 (ISO 7206-8) Femoral head torsion test ISO 7206-13 Femoral head compression test PI-14 / ISO 7206-10 Femoral Head pull-off test ASTM F 2009 Luxation test PI-3 Hip surface analysis ISO 7206-2 Hip simulator test ISO 14242-1 Disassembly Forces of Modular Acetabular Devices ASTM F1820 Hip stem corrosion test ASTM F1875 Hip range of motion ISO 21535 Fatigue test ASTM F 2580 Impingement Test ASTM F2582 Insert fatigue test PI-11 Microseparation test PI-78 (ISO 14242-4) Third body wear test based on ISO 14242-1 High demand hip wear testing ASTM F3047M Deformation test for acetabular shells ISO 7206-12 3D Frictional torque measurement of total hip joint prostheses PI-64 Guide for assessment of hard-on-hard articulation THR devices ASTM F3018 Impact resistance femoral heads ISO 11491 FEA non-modular hip femoral stem ASTM F2996 Requirements for Femoral Prostheses – Metallic Implants ASTM F2068 Bearing surface characterization of retrieved hard-on-hard hip prostheses ASTM F2979 Specific requirements for hip-joint replacement implants ISO 21535 Particular requirements for joint replacement implants ISO 21534

Femoral head torsion test ISO 7206-13

Normative References  



ISO 7206-13: Implants for surgery - Partial and total hip joint prostheses - Part 13: Determination of resistance to torque of head fixation of stemmed femoral components  


A modular fitting between ball and stem is subjected to torsion loading until movement occurs. Amongst others, the loosening torque is determined. Special care is necessary testing ceramic balls: Due to the high torsional moments, small flats may be required to fixate this component.  

Implant Testing - Femoral head torsion test ISO 7206-13


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