MAUDE Adverse Event Report: ENCORE MEDICAL L.P. DJO SURGICAL; DJO EMPOWR KNEETM, PRESS FIT BP MINUS, 5L

Catalog Number	353-03-105
Medical Device Problem Codes	Failure to Osseointegrate (1863); Device Dislodged or Dislocated (2923); Osseointegration Problem (3003)
Health Effect - Clinical Codes	Inflammation (1932); Implant Pain (4561)
Date of Event	09/30/2025
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 experienced persistent pain at the tibial site.A bone scan demonstrated signs of irritation and inflammation, and tibial component loosening or lack of bony ingrowth was suspected.
Additional Manufacturer Narrative
See d4 expiration date, h4, h6 and h11.The agent reported "(patient had persistent pain at tibia, bone scan exhibited irritation/inflammation, suspected tibial loosening or lack of ingrowth.)".The previous surgery and the surgery detailed in this event occurred 1 year and 2 months apart.This evaluation is limited in scope as the items associated with this investigation were 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 devices were defective.The surgeon performed this procedure to remedy the patient's condition.No further action is deemed necessary.Customer complaint history of the reported devices showed no present trends or on-going issues that are needing a review.A review of the device history records (dhr) show that the reported components used in the previous surgery, when released for use, met design and manufacturing requirements.There was a nonconformance associated with the main part #353-03-105, djo empowr kneetm, press fit bp minus, 5l which documents that out of 20 parts lot 1 part was rejected during flow bench verification operation.All other items in the lot were met with fit, form and function requirements.The devices were verified to have gone through an acceptable sterilization process and were within its expiration date at the time of the previous surgery.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 pain, inflammation and loosening.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, patient bone deterioration, inadequate soft tissue support, patient activities.

• Brand Name: DJO SURGICAL
• Common Device Name: DJO EMPOWR KNEETM, PRESS FIT BP MINUS, 5L
• 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: 23410555
• Report Number: 1644408-2025-01620
• Device Sequence Number: 21103369
• Product Code: MBH
• UDI-Device Identifier: 00190446230236
• UDI-Public: 00190446230236
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K171991
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• 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): 01/08/2026

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: 353-03-105
• Device Lot Number: 210W1060
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/01/2025
• Supplement Date Received by Manufacturer: 12/09/2025
• Initial Report FDA Received Date: 10/28/2025
• Supplement Report FDA Received Date: 01/08/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/22/2024
• 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: 341-10-705 LOT CODE 065T1107A.
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 64 YR
• Patient Sex: Female