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Zimmer biomet complaint (b)(4).The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.The device will not be returned for analysis; however, an investigation of the reported event is in progress.Once the investigation is completed, a supplemental medwatch 3500a will be submitted.Multiple mdr reports were filed for this event, please see associated reports: 0001032347-2019-00421.Concomitant medical products: tmj system right fossa component small, part# 24-6562, lot#: 284560; unknown screws, part#: unk, lot#: unk.
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This follow-up report is being submitted to relay additional information.The complaint was opened because taylor billard, tmj tracking coordinator reports that a patient notified them of a revision.No product was returned, therefore no functional tests or inspections could be performed.No x-rays, scans, pictures, or physician's reports were provided.Because a revision surgery was reported, the complaint is confirmed.It was reported that the patient experienced pain that extended from the jaw to the ear drum.A follow up with the surgeon confirmed that the patient's implants were removed due to heterotopic bone growth.The most likely underlying cause of the complaint is patient condition.There are no indications of manufacturing defects.This is a level three complaint in accordance with the levels defined in section 7.2.3 of sop 14.0.9 rev 3 product evaluation.The application fmea (see tmj system afmea rev3) has been reviewed and it was determined that the pain leading to a revision is identified in line #15 \ rehabilitation and follow-up \ replace implant/reoperation \ pain \ revision surgery.The risk has a listed severity of 4 (referring to sop 4.1.1, surgical procedure cannot be completed, injury to user, patient or third party, revision surgery required, infection) and occurrence of 1 (referring to sop 4.1.1, =.5%).There was no life threatening event to user, patient, or third party, nor was there a death.The severity of this complaint is no greater than the severity listed in the fmea.For all non-custom tmj mandibular implants in the previous one year (from the notification date) the complaint history has been reviewed, which leads to a complaint rate of 0.292%, which is no greater than the occurrence listed in the afmea.The application fmea (see tmj system afmea rev3) has been reviewed and it was determined that heterotopic bone growth is identified in line #15 \ rehabilitation and follow-up \ replace implant/reoperation \ excessive tissue ingrowth onto implant surface, heterotopic bone formation \ revision surgery.The risk has a listed severity of 4 (referring to sop 4.1.1, surgical procedure cannot be completed, injury to user, patient or third party, revision surgery required, infection) and occurrence of 1 (referring to sop 4.1.1, =.5%).The complaints history for the heterotopic bone growth failure mode was not reviewed as there is no alleged malfunction of the product and the issue is a result of a patient condition.There is no indication of manufacturing defects and there are no updates to the risk documents needed.The non-conformance database (tipqa) was reviewed for the mandible and fossa, no non-conformances were found.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.
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