MAUDE Adverse Event Report: BIOMET UK LTD. OXF ANAT BRG LT MD SIZE 4 PMA; UNICONDYLAR KNEE PROSTHESIS

Model Number	N/A
Medical Device Problem Codes	Fracture (1260); Material Integrity Problem (2978)
Health Effect - Clinical Code	No Information (3190)
Date of Event	11/03/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).Initial report.Customer has indicated that the product is available to be returned to zimmer biomet for investigation.Concomitant medical products: medical product: oxf twin-peg cmntd fem md pma, catalog #: 161469, lot #: 996240.Medical product: oxf twin-peg cmntd fem md pma, catalog #: 154722, lot #: 027190.Multiple mdr reports were filed for this event, please see associated reports: 3002806535-2020-00502, 3002806535-2020-00503.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.
Event or Problem Description
It was reported that a patient underwent an initial left knee arthroplasty on (b)(6) 2017.Subsequently, a revision procedure due to implant fracture was performed on (b)(6) 2020.
Event or Problem Description
It was reported that a patient underwent an initial left knee arthroplasty on (b)(6) 2017.Subsequently, a revision procedure due to implant fracture was performed on (b)(6) 2020.
Additional Manufacturer Narrative
(b)(4).This final report is being submitted to relay additional information.Multiple mdr reports were filed for this event, please see associated reports: 3002806535-2020-00502-1, 3002806535-2020-00503-1.As the product has not been received, the investigation was limited to the information provided; a review of device history records and complaint history.We have not been provided with x-rays or any supporting documentation which could provide additional information.A review of the manufacturing history records confirms no abnormalities or deviations reported.A review of the complaint database over the last 3 years has found no similar complaints reported with the item and lot combination.A review of the complaint database over the last 3 years has found 1 similar complaints reported with the item 159548.A review of the complaint database over the last 3 years has found 1 similar complaints reported with the item 161469.A review of the complaint database over the last 3 years has found no similar complaints reported with the item 154722.Without the opportunity to examine the complaint product, root cause cannot be determined due to insufficient information.Risk assessment: risk management report documents the estimated residual risk associated with the device within the reported event.The root cause of the issue could not be determined with the information currently available, therefore the specific failure cause within the risk tables could not be selected for comparison.The reported event states revision due to implant fracture.This incident has a severity score of 3 which is defined in the rmr as: prescribed medical or surgical intervention to preclude permanent impairment of a body function or body structure.Contributed to minor, temporary, or medically reversible injury.The outcome of the reported event (surgical intervention) is considered to be within the severity of the rmf.No corrective or preventive actions are deemed necessary at this time.If any additional information becomes available, then the complaint will be reopened and investigated thoroughly.

• Brand Name: OXF ANAT BRG LT MD SIZE 4 PMA
• Common Device Name: UNICONDYLAR KNEE PROSTHESIS
• Manufacturer (Section D): BIOMET UK LTD.; waterton industrial estates; bridgend CF31 3XA; UK CF31 3XA
• MDR Report Key: 10926528
• Report Number: 3002806535-2020-00501
• Device Sequence Number: 3234991
• Product Code: NRA
• UDI-Device Identifier: 05019279785940
• UDI-Public: 05019279785940
• Combination Product (Y/N): N
• Initial Reporter State: TN
• Initial Reporter Country: US
• PMA/510(K) Number: P010014
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Device Explanted Year: 2020
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 12/10/2020

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?: No
• Operator of Device: Health Professional
• Device Expiration Date: 04/20/2022
• Device Model Number: N/A
• Device Catalogue Number: 159548
• Device Lot Number: 328440
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: No
• Initial Date Received by Manufacturer: 11/03/2020
• Supplement Date Received by Manufacturer: 12/08/2020
• Initial Report FDA Received Date: 12/01/2020
• Supplement Report FDA Received Date: 12/10/2020
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• 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