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Based on historical complaint investigations and the reported event, the fractured humeral liner impactor tip reported may have been the result of a stress riser introduced during impaction, which led to crack initiation, propagation, and ultimate fracture.Additionally, the device may have experienced material degradation if sterilized beyond the recommended parameters listed in the reprocessing instruction which could have led to the observed failure.However, this cannot be confirmed as the device was not available for evaluation.
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