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MEDTRONIC SOFAMOR DANEK USA, INC CD HORIZON® SOLERA® VOYAGER¿ SPINAL SYSTEM; INSTRUMENT, SURGICAL, ORTHOPEDIC, AC-POWERED M
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| Model Number |
6550002 |
| Medical Device Problem Code |
Break (1069)
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| Health Effect - Clinical Code |
No Clinical Signs, Symptoms or Conditions (4582)
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| Date of Event |
09/13/2023
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Type of Reportable Event
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Malfunction
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Event or Problem Description
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Information was received from healthcare provider (hcp) via a manufacturer representative regarding an event which occurred during a revision surgery due to lower back pain, due to the looseness of the l5 screw, there was concern about intervertebral instability at l4/5 after the initial l4/5 olif procedure.It was reported that after removing the left l4 screw, the reported product sv56 cnmas 7.5x50 was attached to the retaining screwdriver and inserted.The torque was applied during the insertion of the pps and the tip portion of the retaining screwdriver was broken and remains in the sv56 cnmas 7.5x50.The cut rod was finally tightened and the sv56 cnmas 7.5x50 was removed.Loosening was observed in the two screws on the left and right sides of l5.Relationship between "lower back pain" and "loosening of the l5 screw" is unknown.The physician believed that the l5 loosening occurred and a fine movement might remain in between the vertebrae on l4/5.The loosened l5 screw was removed during repeat surgery and replaced with medtronic product.Fragment of the screwdriver tip remained in the core of the screw.It became difficult to remove.In the end, it was removed. there was no patient symptom reported.There were no further complications reported regarding the event.
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Additional Manufacturer Narrative
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H3: product analysis: part # 6550002, lot # nm17g007, visual and optical inspection confirmed the torx tip has been sheared off.Optical inspection confirmed a flat surface fracture with circular material displacement.This type of damage is consistent with torsional overload.H11: this regulatory report is being submitted due to retrospective review through capa 624392.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.
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