MAUDE Adverse Event Report: MDT SOFAMOR DANEK PUERTO RICO MFG CD HORIZON® SPINAL SYSTEM; APPLIANCE, FIXATION, SPINAL INTERLAMINAL

Model Number	55840006550
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	Pain (1994)
Date of Event	03/28/2024
Type of Reportable Event	Serious Injury
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.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
Information was received from a healthcare provider (hcp) via a medtronic representative regarding a patient implanted with 2 screws in an open spondylodesis at l5/s1 for spondylolisthesis l5/s1.It was reported that post-op, a screw broke and a revision surgery had to be done because the whole construct became loose and the patient was in pain as a result.In addition, another screw also had a break. the broken screws needed to be replaced by other ones in a revision surgery.The reported products and the package looked normally as they should.No further complications were reported/ anticipated.
Additional Manufacturer Narrative
H3: product analysis part# 55840006550 ; lot# h5890562- visual review confirms screw breakage approximately 5 threads down from the base of the bone screw neck.Visual and microscopic examination of the area of fracture initiation did not identify a pre-existing surface defect near the area of crack origination that could contribute to crack propagation.Significant fracture surface damage.After visual, optical, and microscopic examination, no evidence was found that would suggest a defect in manufacturing or processing of the implants.The damage is consistent with overload.H6: updated eval.Code method and eval.Code result post analysis.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® SPINAL SYSTEM
• Common Device Name: APPLIANCE, FIXATION, SPINAL INTERLAMINAL
• 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: glen belmer ; 1800 pyramid place; memphis, TN 38132 ; 6122713209
• MDR Report Key: 19308238
• Report Number: 1030489-2024-00467
• Device Sequence Number: 6598561
• Product Code: KWP
• UDI-Device Identifier: 00613994971760
• UDI-Public: 00613994971760
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: K113174
• 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,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 06/03/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 55840006550
• Device Catalogue Number: 55840006550
• Device Lot Number: H5890562
• 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: 04/24/2024
• Supplement Date Received by Manufacturer: 05/24/2024
• Initial Report FDA Received Date: 05/14/2024
• Supplement Report FDA Received Date: 06/03/2024
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/07/2023
• 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
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Unknown