(b)(4).Customer has indicated that the product will not be returned to zimmer biomet for investigation, as the device was requested but not returned by the hospital.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.It is unknown which glenosphere was implanted in the patient.It is one of the following product id's: part#: 00434904011, 40mm tm reverse glenosphere, lot# unk or part#: 00434903611, 36mm tm reverse glenosphere, lot# unk.Concomitant medical products: part number 00-4349-036-11, glenosphere 36 mm diameter, has also been listed as a possible device explanted during the revision.It has not been made clear which glenosphere was explanted from the patient at this time.Attempts to obtain further information are currently in process.01.04223-018, reverse screw, lot # unk, 01.4223-048, reverse screw, lot # unk, 01.04207.072, humeral stem, lot # unk, 01.4207.142, humeral stem, lot # unk, 01.04223.100, humeral shell, lot # unk, 01.04223.106, humeral shell, lot # unk, 01.4223.360, lot # unk, 01.04223.400, lot # unk.Event occurred in (b)(6).If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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