MAUDE Adverse Event Report: ENCORE MEDICAL L.P DOMED TRI-PEG PATELLA, 32X8MM, E-PLUS; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER + ADD

Catalog Number	130-03-732
Medical Device Problem Codes	Unstable (1667); Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Unspecified Infection (1930); Joint Laxity (4526)
Date of Event	07/17/2023
Type of Reportable Event	Serious Injury
Event or Problem Description
Revision surgery - due to instability and infection.
Additional Manufacturer Narrative
The reason for this revision surgery, the agent reported "(infection or instability)".The previous surgery and the surgery detailed in this event occurred 3 days apart.This evaluation is limited in scope as limited information was provided to djo surgical - austin for review.If information regarding cultures identified in the infection, the severity of the infection or any other relevant information 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 the source or had a direct connection with the patient's infection.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 an infection and instability.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 possible infection or inhibited the patient's immune system.Due to the short time between the original surgery and the revision, it is possible that the infection was acquired in the hospital (nosocomial).It is also possible that the patient was not compliant with post-surgical instructions.There are multiple factors that may contribute to an infection that are outside of the control of djo surgical.

• Brand Name: DOMED TRI-PEG PATELLA, 32X8MM, E-PLUS
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER + ADD
• 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: 17561280
• Report Number: 1644408-2023-01094
• Device Sequence Number: 17877378
• Product Code: OIY
• UDI-Device Identifier: 00888912108539
• UDI-Public: 00888912108539
• Combination Product (Y/N): N
• Initial Reporter State: IN
• Initial Reporter Country: US
• PMA/510(K) Number: K113756
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• 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): 07/20/2023

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 Catalogue Number: 130-03-732
• Device Lot Number: 155N2422
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 08/16/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 04/17/2023
• 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: 343-10-755 LOT: 249U1065
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 73 YR
• Patient Sex: Female