MAUDE Adverse Event Report: ENCORE MEDICAL L.P. EMPOWR PS KNEE; EMPOWR PS KNEETM FEMUR, NONPOROUS, 8L

Model Number	242-01-108
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	10/28/2021
Type of Reportable Event	Serious Injury
Event or Problem Description
Revision surgery - the patient presented with an unstable total knee replacement.The patient underwent a conversion of his unicompartmental knee to a total knee replacement.He subsequently developed femoral component loosening of his djo empowr ps femur.
Additional Manufacturer Narrative
The reason for this revision surgery was reported as instability and femoral component loosening.The previous surgery and the surgery detailed in this event occurred 1 year apart.The healthcare professional indicated there was no delay in surgery and another suitable device was available for use.The revision surgery was completed as intended.The devices were disposed of at hospital and not made available to djo surgical for examination.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 were no non-conforming material reports (ncmr) associated with the products that may have contributed to the reported event.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.Customer complaint history of the reported devices showed no present trends or on-going issues that are needing a review.The root cause of this complaint was a revision surgery due to instability and femoral component loosening.There were no findings during this evaluation that indicate the reported devices were defective.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, inadequate soft tissue support, patient activities or trauma.There are no indications of a product or process issue affecting implant safety or effectiveness.Additional reporting on this event will be provided as a supplemental report to this document as soon as it becomes available.

• Brand Name: EMPOWR PS KNEE
• Common Device Name: EMPOWR PS KNEETM FEMUR, NONPOROUS, 8L
• Manufacturer (Section D): ENCORE MEDICAL L.P.; 9800 metric blvd.; austin TX 78758 5445
• Manufacturer (Section G): ENCORE MEDICAL L.P.; 9800 metric blvd.; austin TX 78758 5445
• Manufacturer Contact: kiersten soderman ; 9800 metric blvd.; austin, TX 78758-5445
• MDR Report Key: 12853493
• Report Number: 1644408-2021-01248
• Device Sequence Number: 11914258
• Product Code: JWH
• UDI-Device Identifier: 00888912171786
• UDI-Public: (01)00888912171786
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K160342
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Device Explanted Year: 2021
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 11/22/2021

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: 08/29/2025
• Device Model Number: 242-01-108
• Device Catalogue Number: 242-01-108
• Device Lot Number: 861T1129
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/28/2021
• Initial Report FDA Received Date: 11/22/2021
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 09/06/2019
• 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: 346-16-708 LOT 462V1007; 352-00-108 LOT 498Y1005; 352-00-108 LOT 498Y1005; 352-01-108 LOT 300V1003; 354-12-040 LOT 105Y1044
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 76 YR
• Patient Sex: Male
• Patient Weight: 95 KG