MAUDE Adverse Event Report: BIOMET MICROFIXATION TMJ SYSTEM RIGHT FOSSA COMPONENT, LARGE; JOINT, TEMPOROMANDIBULAR, IMPLANT

Model Number N/A

Device Problem Adverse Event Without Identified Device or Use Problem (2993)

Patient Problems Facial Nerve Paralysis (1846); Nerve Damage (1979); Pain (1994); Inadequate Pain Relief (2388)

Event Type  Injury  

Manufacturer Narrative

(b)(4).The device will not be returned for analysis as it remains implanted; 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: 0001032347-2020-00515, 0001032347-2020-00516, 0001032347-2020-00517, 0001032347-2020-00519, 0001032347-2020-00520, 0001032347-2020-00521, 0001032347-2020-00522.Concomitant medical products: tmj system left narrow mandibular component 45 mm / 6 hole, part# 01-6546, lot# 670470c.Tmj system left fossa component, small, part# 24-6563, lot# 726860a.Tmj system right narrow mandibular component 45mm / 6 hole, part# 01-6545, lot# 710700b.Tmj system right fossa component, large, part# 24-6564, lot# 602100b.2.4mm system high torque (ht) cross-drive screw 2.7mm x 8mm, part# 91-2708, lot# ni.2.4mm system high torque (ht) cross-drive screw 2.7 x 10mm, part# 91-2710, lot# ni.Tmj system cross drive fossa screw 2.0mm x 7mm, part# 99-6577, lot# ni.Tmj system cross drive fossa screw 2.0mm x 9mm, part# 99-6579, lot# ni.Initial reporter occupation ¿ patient.

Event Description

It was reported the patient has experienced multiple issues following implantation of bilateral temporomandibular joint implants three (3) years ago.Immediately following implantation, the patient developed bell¿s palsy on the right side and was informed by the surgeon that it was a possible reaction to the surgery.The patient has used a bite splint for three (3) years to align the bite.The patient had a root canal a couple months ago and the endodontist took cone beam imaging.Based on the imaging, the endodontist believes the device is rubbing the bone and that the splint increases the pain.The patient has an unspecified one (1) inch deformity in the jaw.The patient underwent a dry needling treatment one (1) year ago that did not provide adequate pain relief.The patient wishes to get a referral to a neurologist to see if a screw is potentially hitting a nerve.The patient is not interested in a revision surgery unless it would bring pain relief.No additional patient consequences have been reported.

Manufacturer Narrative

This follow-up report is being submitted to relay additional information.

Event Description

It was reported the patient has experienced multiple issues following implantation of bilateral temporomandibular joint implants three (3) years ago.Immediately following implantation, the patient developed bell¿s palsy on the right side and was informed by the surgeon that it was a possible reaction to the surgery.The patient has used a bite splint for three (3) years to align the bite.The patient had a root canal a couple months ago and the endodontist took cone beam imaging.Based on the imaging, the endodontist believes the device is rubbing the bone and that the splint increases the pain.The patient has an unspecified one (1) inch deformity in the jaw.The patient underwent a dry needling treatment one (1) year ago that did not provide adequate pain relief.The patient wishes to get a referral to a neurologist to see if a screw is potentially hitting a nerve.The patient is currently receiving botox shots in the jaw from their dentist in order to try to relax the muscles.The patient is not interested in a revision surgery unless it would bring pain relief.The patient has been told by an oral surgeon that the patient has experienced too much bone loss to undergo additional surgery.The patient will continue with maintenance from their pain management doctors and also experiment with hypnosis.No additional patient consequences have been reported.

Manufacturer Narrative

This follow-up report is being submitted to relay additional information.No product was returned or pictures provided; visual and dimensional evaluations could not be performed.Review of the mandible and fossa components' device history records identified no deviations or anomalies during manufacturing related to the reported event.A definitive root cause 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.This report is being submitted to update additional information in section d4, h2, h3, h6 and h10.

Event Description

No further event information available at the time of this report.

• Brand Name: TMJ SYSTEM RIGHT FOSSA COMPONENT, LARGE
• Type of Device: JOINT, TEMPOROMANDIBULAR, IMPLANT
• Manufacturer (Section D): BIOMET MICROFIXATION; 1520 tradeport drive; jacksonville FL 32218
• MDR Report Key: 10689171
• MDR Text Key: 216418728
• Report Number: 0001032347-2020-00518
• Device Sequence Number: 1
• Product Code: LZD
• UDI-Device Identifier: 00841036036607
• UDI-Public: 00841036036607
• Combination Product (y/n): N
• PMA/PMN Number: P020016
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: consumer
• Type of Report: Initial,Followup,Followup
• Report Date: 03/19/2021

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 10/16/2020
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Expiration Date: 04/22/2020
• Device Model Number: N/A
• Device Catalogue Number: 24-6564
• Device Lot Number: 602100B
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: No
• Date Manufacturer Received: 03/17/2021
• Is This a Reprocessed and Reused Single-Use Device?: No
• Removal/Correction Number: N/A
• Patient Sequence Number: 1
• Treatment: SEE H10 NARRATIVE
• Patient Outcome(s): Required Intervention