MAUDE Adverse Event Report: Zimmer Biomet, Inc. Persona Stem Extension Tapered Cemented 14 mm Diameter; Prosthesis, Knee

Catalog Number	42557000114
Medical Device Problem Code	Loosening of Implant Not Related to Bone-Ingrowth (4002)
Health Effect - Clinical Code	Aseptic loosening (4883)
Date of Event	07/24/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the patient underwent an initial left knee surgery.Subsequently, the patient was revised due to femoral and tibial loosening approximately 4 years post-op.All available information has been provided.
Additional Manufacturer Narrative
(b)(4).D10: 42502607401 - psn fem cr cmt ccr std sz 12 l - 65415892.42532007901 - psn tib stm 5 deg sz g l - 65285656.42512101011 - articular surface medial congruent (mc) left 11 mm height use with tibia sizes g-h/cr femur size 12 - 65122317.G2 : foreign country : australia.H6 : mechanical (g04) - stem.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.

• Brand Name: Persona Stem Extension Tapered Cemented 14 mm Diameter
• Common Device Name: Prosthesis, 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 ; +1(574)526-0384
• MDR Report Key: 50191689
• Report Number: 0001822565-2026-02799
• Device Sequence Number: 20363943
• Product Code: JWH
• UDI-Device Identifier: 00889024247734
• UDI-Public: (01)00889024247734(17)320429(10)65338486
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K133737
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 08/06/2026

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: 42557000114
• Device Lot Number: 65338486
• 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: 07/24/2026
• Initial Report FDA Received Date: 08/10/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/06/2022
• 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
• Concomitant Medical Products and Therapy/Usage Dates: See H11.
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention
• Patient Age: 65 YR
• Patient Sex: Unknown