Implants for surgery — Partial and total hip joint prostheses — Part 13: Determination of resistance to torque of head fixation of stemmed femoral components (ISO 7206-13:2016)
This part of ISO 7206 describes a method of determining the torque required, under specified laboratoryconditions, to loosen the fixation of the head of hip joint prostheses in which the head is not intended torotate relative to the neck. It applies to the femoral component of total or partial hip joint replacementsin which the head and neck/ stem (in the following referred to as cone) are secured together by a lockingconical taper or any other means and in which the head and cone are separate components, and whichare made of metallic or non-metallic materials.This part of ISO 7206 does not cover methods of examining the test specimens these should be agreedbetween the test laboratory and the party submitting the specimen for test.
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