This event has been recorded by zimmer biomet under (b)(4).The device history record (dhr) for 00515047501 lot number 64023350, review noted no related non-conformances, requests for deviation (rfd), change notices (cn), or any other issues with manufacturing.The dhr review found no issues with the device and all verifications, inspections, and tests were successfully completed.On 04 march 2019, it was reported from (b)(6) hospital that this product became not able to use for the surgery.On 29 march 2019, a returned product investigation was performed on the 00515047501.The physical evaluation revealed that the device was not working and the batteries inside of the battery pack had corroded.The results of the returned product investigation have confirmed the reported event.While the returned product investigation confirmed that the 00515047501 was not working due to battery corrosion, it cannot be determined from the information provided what actually caused the batteries to corrode.Therefore, based on the information provided, a specific root cause of the reported event cannot be determined.The investigation was based on the information that was provided initially and any information that was obtained throughout the follow-up process.
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