MAUDE Adverse Event Report: ENCORE MEDICAL L.P. KNEE SYSTEMS DJO SURGICAL; INSERT, 3D EX SZ 4LT 9MM

Model Number 391-09-704

Device Problem Adverse Event Without Identified Device or Use Problem (2993)

Patient Problem Joint Laxity (4526)

Event Date 01/19/2023

Event Type  Injury  

Manufacturer Narrative

The agent reported "(patient had instability with current thickness (9mm) of poly and non-resurfaced patella.Patella was resurfaced and a thicker poly (11mm) was implanted for desired stability)".The previous surgery and the surgery detailed in this event occurred 10 year and 10 months apart.This evaluation is limited in scope as the item associated with this investigation was 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 device was defective.The surgeon performed this procedure to remedy the patient's condition.No further action is deemed necessary.Customer complaint history of the reported device showed no present trends or on-going issues that are needing a review.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.A review of the device history record (dhr) shows that the reported component used in the previous surgery, when released for use, met design and manufacturing requirements.There was no non-conforming material report (ncmr) associated with the product that may have contributed to the reported event.The device was verified to have gone through an acceptable sterilization process and was within its expiration date at the time of the previous surgery.The root cause of this complaint was a revision surgery due to 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 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.

Event Description

Revision surgery - instability.

• Brand Name: KNEE SYSTEMS DJO SURGICAL
• Type of Device: INSERT, 3D EX SZ 4LT 9MM
• 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: james mcmahon ; 9800 metric blvd; austin, TX 78758-5445
• MDR Report Key: 16315176
• MDR Text Key: 309009613
• Report Number: 1644408-2023-00138
• Device Sequence Number: 1
• Product Code: OIY
• UDI-Device Identifier: 00888912118941
• UDI-Public: 00888912118941
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K091956
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Company Representative
• Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date: 02/07/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 02/07/2023
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Expiration Date: 05/31/2016
• Device Model Number: 391-09-704
• Device Catalogue Number: 391-09-704
• Device Lot Number: 59601731
• Was Device Available for Evaluation?: No
• Date Manufacturer Received: 01/19/2023
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 06/02/2011
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention
• Patient Age: 71 YR
• Patient Sex: Female