MAUDE Adverse Event Report: ZIMMER BIOMET, INC. CONSTRAINED TIBIAL ARTICULAR SURFACE PROV LEFT SZ EF +0 THICKNESS BOTTOM; INTRUMENT, 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	04/20/2022
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).Performed a visual inspection of the returned item and found it to exhibit signs of repeated use nicked/gouged has fractured on the lateral side of the post feature.All pieces were returned.The device history records were reviewed for deviations and/or anomalies.No deviations or anomalies related to the complaint were recorded.The receiving inspection report was reviewed for deviations and/ or anomalies with no deviations/ anomalies identified.Reported event is not related to a combination of products; therefore, a compatibility review is not applicable.Medical records were not provided.Investigations associated with the tibial articular surface provisional (tasp) fracture 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.
Event or Problem Description
It was reported the left ef cps bottom +0 tasp broke when the surgeon attempted to insert for trial.No pieces fell in the patient.No patient impact.

• Brand Name: CONSTRAINED TIBIAL ARTICULAR SURFACE PROV LEFT SZ EF +0 THICKNESS BOTTOM
• Common Device Name: INTRUMENT, KNEE
• Manufacturer (Section D): ZIMMER BIOMET, INC.; 56 e. bell drive; warsaw IN 46582
• Manufacturer (Section G): ZIMMER BIOMET, INC.; 56 e. bell drive; warsaw IN 46582
• Manufacturer Contact: christina arnt ; 56 e. bell dr.; warsaw, IN 46582 ; 5745273773
• MDR Report Key: 14395326
• Report Number: 0001822565-2022-01415
• Device Sequence Number: 19344471
• Product Code: JWH
• UDI-Device Identifier: 00889024238954
• UDI-Public: (01)00889024238954(10)64893856
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K123459
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,Distributor
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 05/12/2022

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: 42517600505
• Device Lot Number: 64893856
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 04/29/2022
• 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: 04/20/2022
• Initial Report FDA Received Date: 05/13/2022
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/29/2020
• 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: Male