It was reported that patient underwent total shoulder arthroplasty on (b)(6) 2011.Subsequently, the patient was revised on (b)(6) 2014, due to fracturing of the taper on the humeral tray.During the revision procedure, the taper would not detach from the humeral stem, therefore the humeral stem had to be removed and replaced.The humeral tray and humeral bearing were also removed and replaced.
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Current information is insufficient to permit a conclusion as to the cause of the event.Review of device history records show that lot released with no recorded anomaly or deviation.There are warnings in the package insert that state this type of event can occur: possible adverse effects states, "fatigue fracture of component can occur as a result of loss of fixation, strenuous activity, malalignment, trauma, non-union, or excessive weight.".
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