MAUDE Adverse Event Report: ZIMMER BIOMET, INC. ARTICULAR SURFACE FIXED BEARING CONSTRAINED POSTERIOR STABILIZED; PROSTHESIS, KNEE

Model Number	N/A
Medical Device Problem Codes	Unstable (1667); Naturally Worn (2988)
Health Effect - Clinical Codes	Failure of Implant (1924); Pain (1994)
Date of Event	07/18/2023
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the patient underwent a revision approximately 4 years post implantation due to instability and pain.After opening the joint, the patella implant appeared to be fractured.This was resurfaced with a larger patella.The poly was exchanged for a thicker option to stabilize the knee joint.It was reported that wear was noted on the poly post and medial/lateral wells.Attempts have been made and no further information has been provided.
Additional Manufacturer Narrative
(b)(4).D6a: 2019.G2: foreign - australia.The customer has indicated that the product is in process of being returned to zimmer biomet for investigation.Once the investigation has been completed, a follow-up mdr will be submitted.Multiple mdr reports were filed for this event, please see associated reports: 0002648920-2023-00181.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional information.Visual examination of the provided pictures identified the patella implant as fractured.The articular surface was identified as worn with nicks and gouges on the post and distal surface.The device history record was reviewed and no discrepancies relevant to the reported event were found.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: ARTICULAR SURFACE FIXED BEARING CONSTRAINED POSTERIOR STABILIZED
• 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: 17480191
• Report Number: 0001822565-2023-02102
• Device Sequence Number: 14130969
• Product Code: MBH
• UDI-Device Identifier: 00889024244573
• UDI-Public: (01)00889024244573(17)210930(10)63485213
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K123459
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Explanted Year: 2023
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 11/14/2023

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 Expiration Date: 09/30/2021
• Device Model Number: N/A
• Device Catalogue Number: 42522600710
• Device Lot Number: 63485213
• 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: 07/18/2023
• Supplement Date Received by Manufacturer: 11/10/2023
• Initial Report FDA Received Date: 08/08/2023
• Supplement Report FDA Received Date: 11/14/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 10/19/2016
• 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: Required Intervention; Hospitalization
• Patient Sex: Unknown