This event has been recorded by zimmer biomet under (b)(4).This medwatch is being filed to relay additional information.The following sections were updated/corrected: b4, b5, d4, d9, g3, g6, h2, h3, h4, h6, h10.Visual examination of the returned product identified the battery pack was busted open and there was black debris from the battery expulsion throughout the tyvek tray.Batteries were in the correct orientation inside the pack.Due to the damage from the expulsion, it could not be determined if there was damage present to the wiring before the expulsion.Review of the device history record identified no deviations or anomalies during manufacturing.The root cause of the reported issue is attributed to a manufacturing issue.The event is confirmed.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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