MAUDE Adverse Event Report: WALDEMAR LINK GMBH & CO. KG Endo-Model; Rotational Knee Prosthesis, with anti-luxation device, Knee-Joint Prosthesis, le

Model Number	15-9030/12
Medical Device Problem Code	Loosening of Implant Not Related to Bone-Ingrowth (4002)
Health Effect - Clinical Code	Aseptic loosening (4883)
Date of Event	04/23/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The review of the device history record showed no deviations.The product complies with the specifications valid at the time of manufacture.
Event or Problem Description
Aseptic loosening of left knee prothesis "[customer]".

• Brand Name: Endo-Model
• Common Device Name: Rotational Knee Prosthesis, with anti-luxation device, Knee-Joint Prosthesis, le
• Manufacturer (Section D): WALDEMAR LINK GMBH & CO. KG; barkhausenweg 10; hamburg, 22339 ; GM 22339
• Manufacturer Contact: andreas brandt ; barkhausenweg 10; hamburg, 22339 ; GM 22339
• MDR Report Key: 25388967
• Report Number: 3004371426-2026-00038
• Device Sequence Number: 5251825
• Product Code: KRO
• UDI-Device Identifier: 04026575034710
• UDI-Public: 04026575034710
• Combination Product (Y/N): N
• Initial Reporter Country: IT
• PMA/510(K) Number: K152431
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 05/11/2026

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?: No
• Operator of Device: Health Professional
• Device Model Number: 15-9030/12
• Device Catalogue Number: 15-9030/12
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 06/16/2026
• Is the Reporter a Health Professional?: No
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/11/2026
• Supplement Date Received by Manufacturer: 05/11/2026
• Initial Report FDA Received Date: 06/04/2026
• Supplement Report FDA Received Date: 07/31/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 08/01/2022
• 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
• Patient Age: 71 YR
• Patient Sex: Male