MAUDE Adverse Event Report: MEDTRONIC PUERTO RICO OPERATIONS CO., HU CD HORIZON® SPINAL SYSTEM; THORACOLUMBOSACRAL PEDICLE SCREW SYSTEM

Model Number	559200029
Medical Device Problem Code	Material Deformation (2976)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/30/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
H6: 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.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
Information was received from healthcare provider (hcp) via a manufacturer representative regarding a patient having t7-t11 posterior spinal fusion.It was reported that during the procedure, metal slivers formed at the set screw and head interface when placing the set screws.It was reported that the set screws were not cross threaded.The device remained implanted and in service.No patient symptoms/complications have been reported as a result of this event.

• Brand Name: CD HORIZON® SPINAL SYSTEM
• Common Device Name: THORACOLUMBOSACRAL PEDICLE SCREW SYSTEM
• Manufacturer (Section D): MEDTRONIC PUERTO RICO OPERATIONS CO., HU; road 909, km. 0.4; humacao,pr
• Manufacturer (Section G): MEDTRONIC PUERTO RICO OPERATIONS CO., HU; road 909, km. 0.4; humacao,pr
• Manufacturer Contact: justin ellis ; 1800 pyramid place; memphis, TN 38132 ; 7635265677
• MDR Report Key: 25226992
• Report Number: 2647346-2026-00273
• Device Sequence Number: 18589992
• Product Code: NKB
• UDI-Device Identifier: 00763000972776
• UDI-Public: (01)00763000972776(17)300804(10)H6075239
• Combination Product (Y/N): N
• Initial Reporter State: CO
• Initial Reporter Country: US
• PMA/510(K) Number: K221244
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 05/20/2026

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 Model Number: 559200029
• Device Catalogue Number: 559200029
• Device Lot Number: H6075239
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/30/2026
• Initial Report FDA Received Date: 05/20/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 08/04/2025
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Age: 14 YR
• Patient Sex: Male
• Patient Weight: 61 KG