MAUDE Adverse Event Report: BIOMET MICROFIXATION TMJ SYSTEM CROSS DRIVE FOSSA SCREW; PLATE, BONE

Model Number	N/A
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	No Information (3190)
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Zimmer biomet complaint (b)(4).The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.It is unknown at this time if the device will be returned for evaluation; 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: 0001032347-2020-00068, 0001032347-2020-00069, 0001032347-2020-00070, 0001032347-2020-00071, 0001032347-2020-00072, 0001032347-2020-00074.Medical products: tmj system right standard mandibular component, part# 24-6555, lot# 842720b, tmj system left standard mandibular component, part# 24-6556, lot# 793820b, tmj system right fossa component, small, part# 24-6562, lot# 861210a, tmj system left fossa component, small, part# 24-6563, lot# 864820a, 2.4mm system high torque (ht) cross-drive screw, part# 91-2710, lot# unk, tmj system cross drive fossa screw, part# 99-6577, lot# unk, tmj system cross drive fossa screw, part# 99-6579, lot# unk.
Event or Problem Description
It was reported the patient underwent a bilateral revision of temporomandibular joint prostheses due to an unknown reason.No additional patient consequences were reported.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional information.As a revision surgery was reported, the complaint is confirmed.No product was returned; therefore, no functional tests or inspections could be performed.No x-rays, scans, pictures, or physician's reports were provided.Three follow-up attempts were made to gather additional information including the failure mode that led to the need for a revision surgery; however, no additional information was gathered.The dhrs for the screws involved in this case were not reviewed due to the lot numbers remaining unknown.There are no indications of manufacturing defects.The most likely underlying cause of the complaint cannot be determined.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.
Event or Problem Description
This follow-up report is being submitted to relay additional information.
Additional Manufacturer Narrative
The following fields were updated: b4 date of this report.B5 describe event or problem.G7 type of report.H2 follow up type.H10 additional narratives/data.
Event or Problem Description
New information was received that indicated no revision occurred.Therefore, this is not a reportable event.

• Brand Name: TMJ SYSTEM CROSS DRIVE FOSSA SCREW
• Common Device Name: PLATE, BONE
• Manufacturer (Section D): BIOMET MICROFIXATION; 1520 tradeport drive; jacksonville FL 32218
• MDR Report Key: 9592312
• Report Number: 0001032347-2020-00073
• Device Sequence Number: 3012728
• Product Code: JEY
• UDI-Device Identifier: 00841036057442
• UDI-Public: 00841036057442
• Combination Product (Y/N): N
• Initial Reporter State: CO
• Initial Reporter Country: US
• PMA/510(K) Number: K910038
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2019
• Reporter Type: Manufacturer
• Report Source: health professional,user faci
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 07/15/2020

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Model Number: N/A
• Device Catalogue Number: 99-6577
• Device Lot Number: N/A
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: No
• Initial Date Received by Manufacturer: 12/20/2019
• Supplement Date Received by Manufacturer: 06/25/2020; 06/25/2020
• Initial Report FDA Received Date: 01/15/2020
• Supplement Report FDA Received Date: 06/29/2020; 07/15/2020
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• If action reported to FDA under 21 USC 360i(g), list FDA-assigned Recall Number or include a statement: N/A
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention