MAUDE Adverse Event Report: MDT PUERTO RICO OPERATIONS CO, MED REL CD HORIZON® SPINAL SYSTEM; APPLIANCE, FIXATION, SPINAL INTERLAMINAL

Model Number	7540020
Medical Device Problem Code	Defective Device (2588)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/29/2024
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
H3: product analysis of part # 7540020, lot # h5908736 - visual and optical inspection confirmed the threads of the screw have been damaged.The thread crest and flank damage appears 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 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 posterior open thoracolumbar spine procedure, posterior open direct decompression for lumbar posterior disc herniation.It was reported that when screwing the set screw during the operation, there was an obvious defect in the product thread and the set screw could not be screwed.There were no patient symptoms reported.There were no further complications reported regarding the event.

• Brand Name: CD HORIZON® SPINAL SYSTEM
• Common Device Name: APPLIANCE, FIXATION, SPINAL INTERLAMINAL
• Manufacturer (Section D): MDT PUERTO RICO OPERATIONS CO, MED REL; road 909, km. 0.4., barrio mar; humacao PR 00792
• Manufacturer (Section G): MDT PUERTO RICO OPERATIONS CO, MED REL; road 909, km. 0.4., barrio mar; humacao PR 00792
• Manufacturer Contact: justin ellis ; 1800 pyramid place; memphis, TN 38132 ; 7635265677
• MDR Report Key: 22710872
• Report Number: 2647346-2025-00044
• Device Sequence Number: 9612056
• Product Code: KWP
• UDI-Device Identifier: 00885074457093
• UDI-Public: (01)00885074457093(11)231107(10)H5908736
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K052187
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Device Explanted Year: 2024
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 08/05/2025

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: 7540020
• Device Catalogue Number: 7540020
• Device Lot Number: H5908736
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 07/11/2025
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/11/2025
• Initial Report FDA Received Date: 08/05/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/07/2023
• 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