MAUDE Adverse Event Report: MDT SOFAMOR DANEK PUERTO RICO MFG CD HORIZON¿ MODULEX¿ SPINAL SYSTEM; THORACOLUMBOSACRAL PEDICLE SCREW SYSTEM

Model Number	559200029
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	10/21/2024
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
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 unknown spinal therapy for scoliosis.It was reported that the multiple set screws were shearing off while provisionally tightening; had difficulty final tightening.Difficulty reducing rod into tulips and poor compression/distraction grip with set screw.There was no patient symptom reported.There were no further complications reported regarding the event.Additional information received from manufacturer representative that the device may not designed well since it didn¿t work as intended.
Additional Manufacturer Narrative
H3: product analysis for part # 559200029; lot # h5992449 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 consistent with the misalignment of the bone screw 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.

• Brand Name: CD HORIZON¿ MODULEX¿ SPINAL SYSTEM
• Common Device Name: THORACOLUMBOSACRAL PEDICLE SCREW SYSTEM
• Manufacturer (Section D): MDT SOFAMOR DANEK PUERTO RICO MFG; barrio marianna rd 909, km0.4; humacao PR 00792
• Manufacturer (Section G): MDT SOFAMOR DANEK PUERTO RICO MFG; barrio marianna rd 909, km0.4; humacao PR 00792
• Manufacturer Contact: justin ellis ; 1800 pyramid place; memphis, TN 38132 ; 7635265677
• MDR Report Key: 20704054
• Report Number: 1030489-2024-01505
• Device Sequence Number: 9904303
• Product Code: NKB
• UDI-Device Identifier: 20763000608228
• UDI-Public: 20763000608228
• Combination Product (Y/N): N
• Initial Reporter State: NC
• Initial Reporter Country: US
• PMA/510(K) Number: K221244
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Device Explanted Year: 2024
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 03/31/2025

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: 559200029
• Device Catalogue Number: 559200029
• Device Lot Number: H5992449
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 10/21/2024
• Supplement Date Received by Manufacturer: 03/03/2025
• Initial Report FDA Received Date: 11/18/2024
• Supplement Report FDA Received Date: 04/01/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/25/2024
• 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