MAUDE Adverse Event Report: ZIMMER BIOMET, INC. CONSTRAINED TIBIAL ARTICULAR SURFACE PROVISIONAL RT SIZE EF +0; INSTRUMENT, KNEE

Model Number	N/A
Medical Device Problem Code	Fracture (1260)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	01/10/2023
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).Report source : canada.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.
Event or Problem Description
It was reported that: while trying to insert the trial bearing in the knee while tibial and femoral trials in place, the bearing snapped in 2.The patient did not retain any pieces and nothing fell in the patient.No additional information from hcp.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional information.H6-component code- suggested code: mechanical (g04) - provisional bottom.Performed a visual inspection of the provided photo and found it to exhibit signs of repeated use nicked / gouged and a piece has fractured from the medial side.The device history records and receiving inspection report were reviewed for deviations and/ or anomalies with no anomalies/ deviations identified.Reported event is not related to a combination of products; therefore, a compatibility review is not applicable.Medical records were not provided.Fractured tasps were analyzed by optical microscopy revealing hackle marks and river lines in the case of bending overload; and hackle marks, river lines and striations were found in the case of low cycle fatigue culminating in a bending overload failure type.In addition to the visual and optical microscopy analysis, a review of the dhf and dfmea was performed.Ongoing complaint monitoring confirms that the rate of instrument fracture is within the expected risk profile as specified in the dfmea.A definitive root cause cannot be determined.No corrective actions, preventive actions, or field actions resulted after investigation of this event.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.

• Brand Name: CONSTRAINED TIBIAL ARTICULAR SURFACE PROVISIONAL RT SIZE EF +0
• Common Device Name: INSTRUMENT, 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: 16312521
• Report Number: 0001822565-2023-00293
• Device Sequence Number: 12243997
• Product Code: JWH
• UDI-Device Identifier: 00889024245464
• UDI-Public: (01)00889024245464(10)64893860
• Combination Product (Y/N): N
• Initial Reporter Country: CA
• PMA/510(K) Number: K123459
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• 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): 03/21/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: N/A
• Device Catalogue Number: 42527600505
• Device Lot Number: 64893860
• 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: 01/10/2023
• Supplement Date Received by Manufacturer: 03/13/2023
• Initial Report FDA Received Date: 02/07/2023
• Supplement Report FDA Received Date: 03/24/2023
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/28/2020
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Unknown
• 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
• Patient Sex: Prefer Not To Disclose