MAUDE Adverse Event Report: ENCORE MEDICAL L.P. COBALT; COBALT G-HV BONE CEMENT 40GM

Model Number	600-15-100
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	03/02/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Additional reporting on this event will be provided as a supplemental report to this document as soon as it becomes available.
Event or Problem Description
Revision surgery - initial left total knee arthroplasty was performed.Subsequently, the patient was revised due to loosening of the tibial component.During the revision, a complete lack of adherence of the cement to the tibial implant was noted.The tibial component and bearing were revised without complication.
Additional Manufacturer Narrative
: the reason for this revision surgery was reported as loosening.The previous surgery and the surgery detailed in this event occurred 1 year apart.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 hospital and not made available to djo surgical for examination.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.Customer complaint history of the reported device 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 loosening.There were no findings during this evaluation that indicate the reported device was defective.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 contribute to an event that are outside the control of djo surgical.There are no indications of a product or process issue affecting implant safety or effectiveness.Additional reporting on this event will be provided as a supplemental report to this document if it becomes available.

• Brand Name: COBALT
• Common Device Name: COBALT G-HV BONE CEMENT 40GM
• Manufacturer (Section D): ENCORE MEDICAL L.P.; 9800 metric blvd.; austin TX 78758 5445
• MDR Report Key: 11758088
• Report Number: 1644408-2021-00325
• Device Sequence Number: 17266194
• Product Code: LOD
• UDI-Device Identifier: 00190446138013
• UDI-Public: (01)00190446138013
• Combination Product (Y/N): N
• Initial Reporter State: TX
• Initial Reporter Country: US
• PMA/510(K) Number: K051532
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2019
• Device Explanted Year: 2020
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: company representative,consum
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 06/01/2021

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: No Information
• Device Expiration Date: 05/16/2020
• Device Model Number: 600-15-100
• Device Catalogue Number: 600-15-100
• Device Lot Number: 820C2D001
• Was Device Available for Evaluation?: No
• Initial Date Received by Manufacturer: 04/07/2021
• Supplement Date Received by Manufacturer: 05/07/2021
• Initial Report FDA Received Date: 04/30/2021
• Supplement Report FDA Received Date: 06/02/2021
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 72 YR