MAUDE Adverse Event Report: OMNILIFE SCIENCE APEX KNEE SYSTEM; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL

Catalog Number	KC-2204R
Medical Device Problem Code	Implant subsidence (4078)
Health Effect - Clinical Code	Joint Laxity (4526)
Date of Event	02/04/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The complainant made no indication of any omnilife science device malfunction or deficiency related to the identity, quality, durability, reliability, safety, effectiveness or device performance contributing to the adverse event.Review of the manufacturing documentation and sterilization documentation for the devices in question revealed no deviation from process or non-conformity of product.The submission of this report does not constitute an admission that the device, reporting entity, entity's representative or distributor caused or contributed to this event.
Event or Problem Description
A complaint was initiated for a patient who underwent a knee revision surgery on (b)(6) 2025.The original surgery date is 11/04/2019.The reason for revision is reported instability caused by subsidence of the tibial implant.During the revision, the original base plate, insert and bolt were removed and replaced with new components.

• Brand Name: APEX KNEE SYSTEM
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL
• Manufacturer (Section D): OMNILIFE SCIENCE; 480 paramount drive; raynham MA 02767
• Manufacturer (Section G): OMNILIFE SCIENCE; 480 paramount drive; raynham MA 02767
• Manufacturer Contact: jamie demedeiros ; 480 paramount drive; raynham, MA 02767
• MDR Report Key: 21332099
• Report Number: 1226188-2025-00008
• Device Sequence Number: 8062964
• Product Code: JWH
• UDI-Device Identifier: 00841690101079
• UDI-Public: 00841690101079
• Combination Product (Y/N): N
• Initial Reporter State: CO
• Initial Reporter Country: US
• PMA/510(K) Number: K060192
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2019
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 02/07/2025

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?: No
• Operator of Device: Health Professional
• Device Expiration Date: 07/15/2024
• Device Catalogue Number: KC-2204R
• Device Lot Number: 34022
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/05/2025
• Initial Report FDA Received Date: 02/07/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 07/15/2019
• 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: KC-36034 LOT 34082; KC-53000 LOT 34231
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 65 YR
• Patient Sex: Male