MAUDE Adverse Event Report: ENCORE MEDICAL L.P. CONSTRAINED LINER; LINER, ACETABULAR, FMP CONSTRAINED 28XMP9

Model Number	436-28-009
Health Effect - Clinical Code	Failure of Implant (1924)
Date of Event	08/30/2017
Type of Reportable Event	Serious Injury
Event or Problem Description
Revision surgery - due to hip becoming unstable over time.
Additional Manufacturer Narrative
The reason for this revision surgery was due to the patient's hip becoming unstable over time.The in-vivo length of patient service for the implant was 1.9 years.There is no information in this complaint about any patient injuries, activities, or accidents that may have contributed to the need for this revision surgery.There are no reported pre-existing patient health conditions.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 device was disposed of at the hospital and not made available to djo surgical for examination.A review of the device history records (dhrs) revealed no discrepancies or issues with the manufacturing of this part.All critical dimensions, design criteria and specifications in effect at the time the part was manufactured were met.Customer complaint history of the reported device showed no present trends or on-going issues that are in need of review.This event is deemed as non-product related.The root cause for this event was the patient's hip had become unstable.The scope of this investigation is limited without having the explanted parts available to djo surgical for evaluation.Other conditions relating to this event could not be determined with confidence.Inventory containment is not required since there are no indications of a product or process issue affecting implant safety or effectiveness.

• Brand Name: CONSTRAINED LINER
• Common Device Name: LINER, ACETABULAR, FMP CONSTRAINED 28XMP9
• Manufacturer (Section D): ENCORE MEDICAL L.P.; 9800 metric blvd; austin 78758 5445
• MDR Report Key: 6904936
• Report Number: 1644408-2017-00823
• Device Sequence Number: 852452
• Product Code: KWZ
• UDI-Device Identifier: 00888912085731
• UDI-Public: (01)00888912085731
• Combination Product (Y/N): N
• Initial Reporter State: AL
• Initial Reporter Country: US
• PMA/510(K) Number: K023794
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2015
• Device Explanted Year: 2017
• Reporter Type: Manufacturer
• Report Source: company representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 11/03/2017

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: 09/30/2019
• Device Model Number: 436-28-009
• Device Catalogue Number: 436-28-009
• Device Lot Number: 501C1009
• Was Device Available for Evaluation?: No
• Was the Report Sent to FDA?: No
• Initial Date Received by Manufacturer: 08/30/2017
• Supplement Date Received by Manufacturer: 10/05/2017
• Initial Report FDA Received Date: 09/29/2017
• Supplement Report FDA Received Date: 11/03/2017
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: 436-28-000, LOT 496C1056
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 71 YR