BS 7251-12:1995

Orthopaedic joint prostheses. Specification for endurance of stemmed femoral components with application of torsion | Status: Current

1 Scope This part of ISO 7206 specifies the endurance performance of stemmed femoral components of total hip joint prostheses and stemmed femoral components used alone in partial hip joint replacement as determined under specified laboratory conditions by a method that includes the application of torsion. This part of ISO 7206 does not apply to the following:

1. a) prostheses for special clinical cases;
2. b) prostheses for which the centreline of the stem is three-dimensionally curved and does not lie in any plane in which the axis of the neck lies.