MAUDE Adverse Event Report: ENCORE MEDICAL LP DJO SURGICAL; RSP MONOBLOCK SOCKET INSERT, 40MM +4MM, SEMICONSTRAINED, HXE-PLUS

Model Number	509-01-440
Medical Device Problem Codes	Unstable (1667); Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Joint Laxity (4526)
Date of Event	03/05/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Complaint has been evaluated and is similar to report number (b)(4)_1644408-2019-00600; 509-01-432, s814 - stability, poor joint, revision surgery.If additional information regarding the reported event is submitted at a future date, this investigation will be re-evaluated.
Event or Problem Description
Instability.72 yr old female.

• Brand Name: DJO SURGICAL
• Common Device Name: RSP MONOBLOCK SOCKET INSERT, 40MM +4MM, SEMICONSTRAINED, HXE-PLUS
• Manufacturer (Section D): ENCORE MEDICAL LP; 9800 metric blvd.; austin TX 78758
• Manufacturer (Section G): ENCORE MEDICAL LP; 9800 metric blvd.; austin TX 78758
• Manufacturer Contact: stacey bonnell ; 9800 metric blvd.; austin, TX 78758 ; 8003219549
• MDR Report Key: 24736554
• Report Number: 1644408-2026-00568
• Device Sequence Number: 9242119
• Product Code: PHX
• UDI-Device Identifier: 00888912144674
• UDI-Public: 00888912144674
• Combination Product (Y/N): N
• Initial Reporter State: SC
• Initial Reporter Country: US
• PMA/510(K) Number: K051075
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• 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): 03/30/2026

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: 509-01-440
• Device Lot Number: 391P1074
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/05/2026
• Initial Report FDA Received Date: 03/30/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 12/22/2021
• 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: 508-40-101 875C1616
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 72 YR
• Patient Sex: Female