MAUDE Adverse Event Report: ENCORE MEDICAL L.P. DJO SURGICAL; AR, SMALL SOCKET INSERT, 36MM NEUTRAL +4 EPLUS

Catalog Number	509-02-436
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Codes	Joint Dislocation (2374); Joint Laxity (4526)
Date of Event	01/26/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
Revision surgery - due to dislocation and disassociated.
Additional Manufacturer Narrative
The agent reported, "patient had been dislocated for more than one year.Surgeon believes the poly disassociated from stem as a result of the long term dislocation.We swapped the 36 sphere and poly with 40 sphere and poly and added a spacer." the previous surgery and the surgery detailed in this event occurred 2 years, 5 months, 12 days apart.This evaluation is limited in scope as the item(s) associated with this investigation was not returned to djo surgical - austin for examination.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 that the reported device(s) 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(s) shows that the reported component(s) used in the previous surgery met design and manufacturing requirements at the time of release for use.There were no nonconforming material reports associated with the product(s) that may have contributed to the reported event.The device(s) 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(s) showed no present trends or ongoing issues that need 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 revision surgery because the patient had been dislocated for more than one year.The surgeon believes the poly is dissociated from the stem due to the long-term dislocation.No information regarding the patient's pre-existing conditions or any activities the patient was involved in that may have contributed to the event was submitted to the complaint.There are multiple factors that may contribute to an event beyond djo surgical's control.

• Brand Name: DJO SURGICAL
• Common Device Name: AR, SMALL SOCKET INSERT, 36MM NEUTRAL +4 EPLUS
• 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: 24384463
• Report Number: 1644408-2026-00315
• Device Sequence Number: 21488256
• Product Code: KWS
• UDI-Device Identifier: 00190446257615
• UDI-Public: 00190446257615
• Combination Product (Y/N): N
• Initial Reporter State: OH
• Initial Reporter Country: US
• PMA/510(K) Number: K172351
• 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: Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 02/18/2026

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 Catalogue Number: 509-02-436
• Device Lot Number: 957W1136A
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 01/28/2026
• Initial Report FDA Received Date: 02/18/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/05/2023
• 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: 508-36-101 LOT: 869C3449.
• Outcome Attributed to Adverse Event: Other; Required Intervention
• Patient Sex: Male