MAUDE Adverse Event Report: WARSAW ORTHOPEDICS CD HORIZON® SPINAL SYSTEM; THORACOLUMBOSACRAL PEDICLE SCREW SYSTEM

Model Number	6430530
Medical Device Problem Codes	Degraded (1153); Mechanical Jam (2983)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	11/25/2024
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
H3: product analysis of part # (b)(4), lot # 0984933w - visual and macroscopic inspection confirmed the threads of the break off screw have been damaged.The thread crest and flank damage appear to have initiated at the start of the thread and is consistent around the damaged portion of the thread.This type of damage is consistent with misalignment of the mas and set screw threads during construct assembly.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 l3/4/5 transfor aminal lumbar interbody fusion for lumbar spinal canal stenosis.It was reported that theset screw of the left l3 could not be removed, so the device was temporarily fixated with great effort, but it was loose at the time of the final fixation.Even if the set screw was changed, and execution procedure was changed, it could not be done at the final fixation, so the screw was replaced.Wear was observed on the thread of set screws.There was a delay of less than 60 minute in the overall procedure time.There were no patient symptoms reported.There were no further complications reported regarding the event.

• Brand Name: CD HORIZON® SPINAL SYSTEM
• Common Device Name: THORACOLUMBOSACRAL PEDICLE SCREW SYSTEM
• Manufacturer (Section D): WARSAW ORTHOPEDICS; 2500 silveus crossing; warsaw IN 46582
• Manufacturer (Section G): WARSAW ORTHOPEDICS; 2500 silveus crossing; warsaw IN 46582
• Manufacturer Contact: justin ellis ; 1800 pyramid place; memphis, TN 38132 ; 7635265677
• MDR Report Key: 22050719
• Report Number: 1030489-2025-02011
• Device Sequence Number: 8899426
• Product Code: NKB
• UDI-Device Identifier: 00643169545281
• UDI-Public: 00643169545281
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K143375
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 05/20/2025

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: 6430530
• Device Catalogue Number: 6430530
• Device Lot Number: 0984933W
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 12/02/2024
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/25/2025
• Initial Report FDA Received Date: 05/20/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/10/2023
• 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 Sex: Unknown