MAUDE Adverse Event Report: ZIMMER MANUFACTURING B.V. STEMMED NONAUGMENTABLE TIBIAL COMPONENT OPTION CR/PS/LPS SIZE 7; PROSTHESIS, KNEE

Model Number	N/A
Medical Device Problem Codes	Insufficient Device Problem Information (3190); Loosening of Implant Not Related to Bone-Ingrowth (4002); Implant subsidence (4078)
Health Effect - Clinical Codes	Failure of Implant (1924); Pain (1994); Osteolysis (2377); Ambulation or Postural Difficulties (2544); Swelling/ Edema (4577); Insufficient Information (4580)
Date of Event	05/31/2023
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the patient underwent an initial surgery and was revised due to unknown reasons approximately 4.5 years later.Attempts have been made and all available information has been provided.
Additional Manufacturer Narrative
(b)(4).D10 : 00596401751 - femoral component option size g left compatible with lps-flex prolong - 63848326, 00596405010 - articular surface size gh 10 mm height use with plate 7 - 63815873, 00597206541 - all poly patella standard cemented size 41 mm diameter 10.0 mm thickness - 62201575.G2 : foreign country : united kingdom.Customer has indicated that the product will not be 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: 3007963827-2024-00023, 0001822565-2024-00298, 0002648920-2024-00023.
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.The device history record was reviewed and no discrepancies relevant to the reported event were found.Medical records were not provided.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
It was reported that a patient underwent a left total knee arthroplasty.Approximately 5.5 years post-op, the patient was revised due to pain and swelling.During the revision, the surgeon noted osteolysis and confirmed tibial loosening and subsidence.The initial patella was retained, and all other components were revised without complication.Attempts have been made and all available information has been provided.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional information.D10: 66017569 - palacos cement - (b)(4).66017569 - palacos cement - (b)(4).The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional information.The following sections were updated: b4; b5; d2; g1; g3; g6; h1; h2; h3; h6.The event is confirmed.Medical records were provided and reviewed by a health care professional.Review of the available records identified that the patient reported mild to moderate swelling and pain in the anterior knee joint and foot and giving way, good rom but some pain at full flexion, ligaments stable.Revision notes noted ''massive osteolysis, tibial component loose and removed with no debridement of cement and no cement attached to baseplate''.The root cause remains unchanged.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: STEMMED NONAUGMENTABLE TIBIAL COMPONENT OPTION CR/PS/LPS SIZE 7
• Common Device Name: PROSTHESIS, KNEE
• Manufacturer (Section D): ZIMMER MANUFACTURING B.V.; turpeaux industrial park; route #1 km 123.4 bldg #1; mercedita PR 00715
• Manufacturer (Section G): .; turpeaux industrial park; route #1 km 123.4 bldg #1; mercedita PR 00715
• Manufacturer Contact: jennifer rapsavage ; 56 e. bell dr.; warsaw, IN 46582 ; 5745260384
• MDR Report Key: 18608076
• Report Number: 0002648920-2024-00022
• Device Sequence Number: 2746576
• Product Code: JWH
• UDI-Device Identifier: 00889024218871
• UDI-Public: (01)00889024218871(17)270430(10)63656335
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• PMA/510(K) Number: K173057
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Device Explanted Year: 2023
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Consumer,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup,Followup,Followup
• Report Date (Section B): 08/06/2025

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 Model Number: N/A
• Device Catalogue Number: 00598605701
• Device Lot Number: 63656335
• 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: 01/12/2024
• Supplement Date Received by Manufacturer: 06/13/2024; 03/03/2025; 08/06/2025
• Initial Report FDA Received Date: 01/30/2024
• Supplement Report FDA Received Date: 06/19/2024; 03/25/2025; 08/07/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 05/05/2017
• 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
• Concomitant Medical Products and Therapy/Usage Dates: SEE H10.; SEE H11.
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Sex: Male
• Patient Weight: 83 KG