MAUDE Adverse Event Report: ENCORE MEDICAL L.P. FOUNDATION POSTERIOR STABILIZED (PS) KNEE; INSERT, POSTERIOR STABILIZED, SERIES 500, SIZE6 11MM CM

Catalog Number	360-11-506
Health Effect - Clinical Code	Pain (1994)
Date of Event	01/31/2017
Type of Reportable Event	Serious Injury
Event or Problem Description
Revision surgery - due to the patient presenting with instability and pain ten years post-operation.The posterior stabilized (ps) post was sheared off.
Additional Manufacturer Narrative
The reason for this revision surgery was pain and instability.It was also stated the posterior stabilized (ps) post was sheared off the insert the in-vivo length of patient service for the implant was 9.5 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 and specifications in effect at the time the part was manufactured were met.The product complaint report history was reviewed and no trends or on-going issues were deemed as present or in need of review.This event is deemed as non-product related.The root cause for this event was the result of the patient instability /pain and a ps tibial insert post breaking.The material speciation's for the tibial insert were compared to manufacturing records and it was determined the insert was fabricated from the specified material to all design requirements.No other information was offered which would explain the cause of post breakage other than the possible length of service.The scope of this investigation is limited without having the parts available to djo surgical for evaluation.Other conditions relating to this event could not be determined with confidence.Inventory containment is not required as there are no indications of a product or process issue affecting implant safety or effectiveness.

• Brand Name: FOUNDATION POSTERIOR STABILIZED (PS) KNEE
• Common Device Name: INSERT, POSTERIOR STABILIZED, SERIES 500, SIZE6 11MM CM
• Manufacturer (Section D): ENCORE MEDICAL L.P.; 9800 metric blvd.; austin TX 78758 5445
• MDR Report Key: 6350822
• Report Number: 1644408-2017-00096
• Device Sequence Number: 19093242
• Product Code: JWH
• UDI-Device Identifier: 00888912116343
• UDI-Public: (01)00888912116343
• Combination Product (Y/N): N
• Initial Reporter State: IN
• Initial Reporter Country: US
• PMA/510(K) Number: K933539
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2007
• Device Explanted Year: 2017
• Reporter Type: Manufacturer
• Report Source: company representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 04/13/2017

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: 12/31/2008
• Device Catalogue Number: 360-11-506
• Device Lot Number: 951931
• Was Device Available for Evaluation?: No
• Type of Report(Section G): FDA Requested
• Initial Date Received by Manufacturer: 01/31/2017
• Supplement Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 02/22/2017
• Supplement Report FDA Received Date: 04/13/2017
• 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: 130-03-029,LOT 53772994
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 79 YR