MAUDE Adverse Event Report: BIOMET UK LTD. OXF UNI TIB TRAY SZA LM; PROSTHESIS, KNEE, FEMOROTIBIAL, UNICOMPARTMENTAL

Model Number	N/A
Medical Device Problem Code	Loosening of Implant Not Related to Bone-Ingrowth (4002)
Health Effect - Clinical Codes	Failure of Implant (1924); Pain (1994); Ambulation or Postural Difficulties (2544); Osteopenia/ Osteoporosis (2651); Swelling/ Edema (4577)
Date of Event	09/07/2023
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).D10 ¿ oxf anat brg lt sm size 4 pma; item#: 159541, lot#: 811040 oxf twin-peg cmntd fem sm pma; item#: 161468, lot#: 175150 unknown cement the device will not be returned for analysis; however, an investigation of the reported event is in progress.Once the investigation is completed, a supplemental medwatch 3500a will be submitted.
Event or Problem Description
It was reported that the patient underwent revision surgery to a total knee approximately one year and five months post initial left partial knee replacement, due to tibial baseplate loosening.Poor bone quality was noted during the surgery.Due diligence is in progress for this complaint; to date no additional information or product has been received.
Event or Problem Description
No further event information available at the time of this report.
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.A review of the device manufacturing records confirmed no abnormalities or deviations that could be related to the reported event.Device is used for treatment.Radiographs were provided and reviewed by a radiologist.Three views of the left knee demonstrate a medial compartment hemiarthroplasty with subsidence of the medial tibial component with radiolucency along the cement hardware interface consistent with loosening.Moderate joint effusion and osteopenia was also noted.With the available information, 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.

• Brand Name: OXF UNI TIB TRAY SZA LM
• Common Device Name: PROSTHESIS, KNEE, FEMOROTIBIAL, UNICOMPARTMENTAL
• Manufacturer (Section D): BIOMET UK LTD.; waterton industrial estates; bridgend CF31 3XA; UK CF31 3XA
• Manufacturer (Section G): BIOMET UK LTD.; waterton industrial estates; bridgend CF31 3XA; UK CF31 3XA
• Manufacturer Contact: christina arnt ; 56 e. bell dr.; warsaw, IN 46582 ; 5745273773
• MDR Report Key: 17842324
• Report Number: 3002806535-2023-00326
• Device Sequence Number: 17243669
• Product Code: NRA
• UDI-Device Identifier: 05019279388844
• UDI-Public: (01)05019279388844(17)300908(10)281270
• Combination Product (Y/N): N
• Initial Reporter State: NM
• Initial Reporter Country: US
• PMA/510(K) Number: P010014
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Device Explanted Year: 2023
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 10/17/2023

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: Lay User/Patient
• Device Model Number: N/A
• Device Catalogue Number: 154718
• Device Lot Number: 281270
• 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: 09/07/2023
• Supplement Date Received by Manufacturer: 10/13/2023
• Initial Report FDA Received Date: 09/29/2023
• Supplement Report FDA Received Date: 10/17/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 09/08/2020
• 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: Female
• Patient Weight: 71 KG