As reported, the patient "reached over to shut off his cpap machine and something broke".The patient is a large male and has fallen several times in the past two years.On x-rays it looked as if the torque defining screw had sheared off.When the patient was opened, the screw fell right out, so it had not sheared off but potentially backed out.The liner, humeral plate and screw were revised.There were no complications and the surgery went perfectly.The surgeon was able to thread the explanted screw into the humeral plate and it was fine, nothing appeared to be stripped, so the surgeon doesn¿t know what happened.A new screw was opened and the surgeon was able to thread it.The rep stated that the surgeon and himself were able to thread the explanted screw into the humeral plate and it was fine, nothing appeared to be stripped, so they don¿t know what happened.They also opened a new screw and were able to thread it.The hospital has a policy where they keep explants and decontaminate and test them.
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