MAUDE Adverse Event Report: ZIMMER BIOMET, INC. NATURAL TIBIA TRABECULAR METAL TWO-PEG POROUS; PROSTHESIS, KNEE

Model Number	N/A
Medical Device Problem Codes	Loosening of Implant Not Related to Bone-Ingrowth (4002); Migration (4003)
Health Effect - Clinical Code	Failure of Implant (1924)
Date of Event	11/22/2021
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).Concomitant medical products: 42522100910 - articular surface medial congruent (mc) right 10 mm height use with tibia sizes g-h/cr femur sizes 8-11 - 64781670; 42502807002 - femur trabecular metal cruciate retaining (cr) standard porous - 64640838; 00587806538 - nexgenâ® complete knee solution, trabecular metalâ¿¢ standard primary patella - 64902501.Customer has indicated that the product will not be returned to zimmer biomet for investigation as it has been discarded.Once the investigation has been completed, a follow-up mdr will be submitted.
Event or Problem Description
It was reported that the patient underwent an initial bilateral knee surgery.Approximately 5 months later, the patient underwent a bilateral knee revision.The patient's right tibial component was revised due to suspected subsidence and possible aseptic loosening.The surgical technique was utilized.There was no surgical delay.Attempts have been made and no further information has been provided.
Additional 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.The device history record was reviewed and no discrepancies relevant to the reported event were found.Radiographs were provided and reviewed by a health care professional.Review of the available records identified the following: overall fit and alignment appears normal on the immediate postoperative images; subtle periprosthetic lucencies noted at the interface of the hardware and bone in the medial portion of the medial tibial plate on 2 months postoperative images with right; image 4 demonstrates a subtle periprosthetic lucency between the hardware and the bone involving the medial portions of the medial plates bilaterally.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.
Event or Problem Description
No further event information available at the time of this report.

• Brand Name: NATURAL TIBIA TRABECULAR METAL TWO-PEG POROUS
• Common Device Name: PROSTHESIS, KNEE
• Manufacturer (Section D): ZIMMER BIOMET, INC.; 1800 w. center st.; warsaw IN 46580
• Manufacturer (Section G): ZIMMER BIOMET, INC.; 1800 w. center st.; warsaw IN 46580
• Manufacturer Contact: jennifer rapsavage ; 56 e. bell dr.; warsaw, IN 46582 ; 5745260384
• MDR Report Key: 15334030
• Report Number: 0001822565-2022-02515
• Device Sequence Number: 6861710
• Product Code: MBH
• UDI-Device Identifier: 00889024510609
• UDI-Public: (01)00889024510609(17)310512(10)64925178
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K173417
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Device Explanted Year: 2021
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Distributor
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 10/07/2022

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?: Yes
• Operator of Device: Health Professional
• Device Model Number: N/A
• Device Catalogue Number: 42530007902
• Device Lot Number: 64925178
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/18/2022
• Supplement Date Received by Manufacturer: 10/07/2022
• Initial Report FDA Received Date: 09/01/2022
• Supplement Report FDA Received Date: 10/10/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 05/19/2021
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• 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
• Patient Sex: Male