MAUDE Adverse Event Report: ZIMMER BIOMET, INC. SEGMENTAL OTHER STEMS; PROTHESIS, KNEE

Catalog Number	00585204035
Medical Device Problem Code	Loosening of Implant Not Related to Bone-Ingrowth (4002)
Health Effect - Clinical Codes	Pain (1994); Aseptic loosening (4883)
Date of Event	11/06/2025
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported was reported patient was revised approximately 2.5 years post implantation due to aseptic loosening and pain.Attempts to obtain additional information have been made; however, no more is available.
Additional Manufacturer Narrative
(b)(4).D10: pn 00585004301 ln 65566873 5850 zss distal femoral.Pn 00585205010 ln 65649753 segmental other stem.G2: foreign ¿ australia.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.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional information.The following sections were updated: b4, g3, g6, h2, h3, h6, h10, h11.The product was evaluated through manufacturing review, however, the reported event could not be confirmed.The device history records were reviewed and no discrepancies were identified.A definitive root cause could not be determined with the information provided.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
No further event information available at the time of this report.

• Brand Name: SEGMENTAL OTHER STEMS
• Common Device Name: PROTHESIS, 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: 23692537
• Report Number: 0001822565-2025-04343
• Device Sequence Number: 13059636
• Product Code: KRO
• UDI-Device Identifier: 00889024197657
• UDI-Public: (01)00889024197657(17)270804(10)65466071
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K070978
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2025
• 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): 02/05/2026

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 Catalogue Number: 00585204035
• Device Lot Number: 65466071
• 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: 11/06/2025
• Supplement Date Received by Manufacturer: 01/28/2026
• Initial Report FDA Received Date: 12/02/2025
• Supplement Report FDA Received Date: 02/05/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 08/30/2022
• 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
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 32 YR
• Patient Sex: Male