Standard Test Methods for the Dynamic Evaluation of Glenoid Loosening or Disassociation
1.1 These test methods measure how much a prosthetic glenoid component rocks or pivots following cyclic displacement of the humeral head to opposing glenoid rims (for example, superior-inferior or anterior-posterior). Performance is judged by the tensile displacement opposite each loaded rim after dynamic rocking.
1.2 The same setup can be used to test the locking mechanism of modular glenoid components, for example, for disassociation.
1.3 The test method covers shoulder replacement designs with both monolithic and modular humeral and glenoid components with either cemented or noncemented fixation.
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.
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