MAUDE Adverse Event Report: ENCORE MEDICAL L.P DJO EMPOWR KNEETM, PRESS FIT BP MINUS, 7R; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED

Model Number	353-04-107
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	04/12/2023
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The reason for this revision surgery, the agent reported "(tibia did not fully ingrow)".The previous surgery and the surgery detailed in this event occurred 8 months and 1 week apart.This evaluation is limited in scope as the items associated with this investigation were 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 the reported devices were defective.The surgeon performed this procedure to remedy the patient's condition.No further action is deemed necessary.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.First, there was a ncmr#63020 associated with the main part #353-04-107, djo empowr kneetm, press fit bp minus, 7r, which documents that out of 20 parts lot, all parts were rejected due to inspection error.Later the rejected parts were reworked and accepted after proper justification.Second, there was a ncmr#62836 associated with the same part which documents that out of 20 parts lot, 3 parts were rejected due to parts had minor scratches inside the tray.Later the rejected parts were reworked and accepted after proper justification.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 tibia did not fully ingrown.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.
Event or Problem Description
Revision surgery - due to tibia did not fully ingrow.

• Brand Name: DJO EMPOWR KNEETM, PRESS FIT BP MINUS, 7R
• Common Device Name: PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED
• 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: james mcmahon ; 9800 metric blvd; austin, TX 78758
• MDR Report Key: 16856740
• Report Number: 1644408-2023-00544
• Device Sequence Number: 8576583
• Product Code: MBH
• UDI-Device Identifier: 00190446230359
• UDI-Public: 00190446230359
• Combination Product (Y/N): N
• Initial Reporter State: IN
• Initial Reporter Country: US
• PMA/510(K) Number: K171991
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Device Explanted Year: 2023
• 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): 05/02/2023

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: 353-04-107
• Device Catalogue Number: 353-04-107
• Device Lot Number: 222W1054
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/12/2023
• Initial Report FDA Received Date: 05/02/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 04/22/2022
• 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: 244-02-107 LOT: 3258A1007; 342-14-707 LOT: 141T1068
• Outcome Attributed to Adverse Event: Other
• Patient Age: 50 YR
• Patient Sex: Female