MAUDE Adverse Event Report: ENCORE MEDICAL L.P. DJO SURGICAL; SOCKET, INSERT, 44MM, STD

Catalog Number	508-00-044
Medical Device Problem Code	Loosening of Implant Not Related to Bone-Ingrowth (4002)
Health Effect - Clinical Codes	Erosion (1750); Joint Dislocation (2374)
Date of Event	09/22/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Once the investigation is completed, any additional information will be reported in a supplemental report.
Event or Problem Description
It was reported that the patient complaint of feeleing loose.Poly eroded.
Additional Manufacturer Narrative
See d4 expiration date, h4, h6, and h11.The agent reported "(patient complained of feeling loose.Poly eroded.)".The previous surgery and the surgery detailed in this event occurred 11 years and 8 months apart.Note: the previous d-ticket was not provided and a search of djo records produced no results, therefore, the items could not be verified.This evaluation is limited in scope as the item associated with this investigation was not returned to djo surgical - austin for review.The surgery was completed as intended and without incident.If additional information regarding the reported event is submitted at a future date, this investigation will be re-evaluated.There was no information submitted with this complaint about any patient activities, accidents, or medical contraindications that may have contributed to the reported event.There were no findings during this evaluation that indicate the reported device was defective.The surgeon performed this procedure to remedy the patient's condition.No further action is deemed necessary.A review of the device history record (dhr) shows that the reported component used in the previous surgery, when released for use, met design and manufacturing requirements.There was a nonconformance associated with the main part #508-00-044, socket, insert, 44mm, std which documents that out of 20 parts lot, 1 lot was rejected and scrapped during lathe machine - pocket department.All other items in the lot were met with fit, form and function requirements.The device was verified to have gone through an acceptable sterilization process and was within its expiration date at the time of the previous surgery.Customer complaint history of the reported device showed no present trends or on-going issues that are needing a review.Inventory containment is not required as there are no indications of a product or process issue affecting implant safety or effectiveness.The revision surgery was completed successfully.The root cause of this complaint was a revision surgery due to loosening and erosion.No information was submitted with the complaint regarding pre-existing conditions of the patient or any activities the patient was involved in that may have contributed to the event.There are multiple factors that may also contribute to an event that are outside the control of djo surgical such as poor bone density, prolonged overhead activities, inadequate soft tissue support, patient activities or trauma.

• Brand Name: DJO SURGICAL
• Common Device Name: SOCKET, INSERT, 44MM, STD
• Manufacturer (Section D): ENCORE MEDICAL L.P.; 9800 metric blvd.; austin TX 78758
• Manufacturer (Section G): ENCORE MEDICAL L.P.; 9800 metric blvd.; austin TX 78758
• Manufacturer Contact: stacey bonnell ; 9800 metric blvd; austin, TX 78758 ; 5128346313
• MDR Report Key: 23333908
• Report Number: 1644408-2025-01536
• Device Sequence Number: 15503324
• Product Code: KWS
• UDI-Device Identifier: 00888912024662
• UDI-Public: 00888912024662
• Combination Product (Y/N): N
• Initial Reporter State: IN
• Initial Reporter Country: US
• PMA/510(K) Number: K092873
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2014
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 12/10/2025

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 Expiration Date: 10/28/2015
• Device Catalogue Number: 508-00-044
• Device Lot Number: 858C1000
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/22/2025
• Supplement Date Received by Manufacturer: 11/10/2025
• Initial Report FDA Received Date: 10/19/2025
• Supplement Report FDA Received Date: 12/10/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 10/28/2025
• 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: 83 YR
• Patient Sex: Male