MAUDE Adverse Event Report: MEDTRONIC SOFAMOR DANEK USA, INC CD HORIZON BALLAST SPINAL SYSTEM; ORTHOSIS, SPINAL PEDICLE FIXATION, FOR DEGENERATIVE DISC DISEASE

Catalog Number	NAV1400
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Known Impact Or Consequence To Patient (2692)
Date of Event	05/08/2018
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Neither the device nor films of applicable imaging studies were returned to the manufacturer for evaluation.Therefore, we are unable to determine the definitive cause of the reported event.If information is provided in the future, a supplemental report will be issued.
Event or Problem Description
It was reported that the patient underwent lumbar fusion due to adult degenerative scoliosis.Intra-op, the drives broke.No patient complications were reported as a result of this event.
Additional Manufacturer Narrative
Due to imdrf harmonization, some previously submitted device, method, result, and conclusion codes related to this event may have been updated.Product analysis result: visual hardness microscopic the tip of the driver is stripped.The damaged appears to have occurred while the driver was being turned in the clockwise direction.The material hardness of the shaft was check and meets print spec.These observations are consistent with material failure from torsional overload.If information is provided in the future, a supplemental report will be issued.

• Brand Name: CD HORIZON BALLAST SPINAL SYSTEM
• Common Device Name: ORTHOSIS, SPINAL PEDICLE FIXATION, FOR DEGENERATIVE DISC DISEASE
• Manufacturer (Section D): MEDTRONIC SOFAMOR DANEK USA, INC; 4340 swinea rd; memphis TN 38118
• MDR Report Key: 7576993
• Report Number: 1030489-2018-00815
• Device Sequence Number: 1523833
• Product Code: NKB
• UDI-Device Identifier: 00643169440265
• UDI-Public: 00643169440265
• Combination Product (Y/N): N
• Initial Reporter State: NE
• Initial Reporter Country: US
• PMA/510(K) Number: K153442
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,health
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 09/26/2018

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: NAV1400
• Device Lot Number: CA15L094
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 08/03/2018
• Initial Date Received by Manufacturer: 05/08/2018
• Supplement Date Received by Manufacturer: 08/28/2018
• Initial Report FDA Received Date: 06/07/2018
• Supplement Report FDA Received Date: 09/26/2018
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 60 YR
• Patient Weight: 66