As reported, during a left shoulder procedure on a male patient, after the stem and the tray were assembled, the surgeon implanted the assembly into humerus.At that time, he found one (1) small fragment on surface of greater tubercle.He picked it up from surgical field appropriately.It was unknown where the fragment came from.The facility has a third party (lab) analyze the fragment using icp mass spectrometer, and as a result, this fragment material was detected with high possibility as ti alloy.The devices were implanted; however, the fragment is to be returned for evaluation.
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