MAUDE Adverse Event Report: WARSAW ORTHOPEDICS CD HORIZON SPINAL SYSTEM; APPLIANCE, FIXATION, SPINAL INTERLAMINAL

Catalog Number	75496545
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Code	No Known Impact Or Consequence To Patient (2692)
Date of Event	03/24/2019
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Neither the device nor films of applicable imaging studies were returned to the manufacturer for evaluation.Therefore, we are unable to determine the definitive cause of the reported event.If information is provided in the future, a supplemental report will be issued.
Event or Problem Description
It was reported that the patient underwent posterior open reduction bone graft fusion and internal fixation due to l4 vertebral spondylolisthesis.Intra-op, bone screw critical wall broke.The product came in contact with the patient.No patient complications were reported.
Additional Manufacturer Narrative
Product analysis: visual and optical inspection did not reveal any bends in the break off tabs of the screw.The threads of the bone screw have been damaged consistent with the break off screw being threaded at an angle.The angle of the set screw may have caused one of the break off tabs to protrude outward.This type of damage is consistent with thread damage from misalignment of the set screw.If information is provided in the future, a supplemental report will be issued.

• Brand Name: CD HORIZON SPINAL SYSTEM
• Common Device Name: APPLIANCE, FIXATION, SPINAL INTERLAMINAL
• Manufacturer (Section D): WARSAW ORTHOPEDICS; 2500 silveus crossing; warsaw IN 46582
• MDR Report Key: 8539204
• Report Number: 1030489-2019-00461
• Device Sequence Number: 2458486
• Product Code: KWP
• UDI-Device Identifier: 00885074135205
• UDI-Public: 00885074135205
• Combination Product (Y/N): N
• Initial Reporter Country: CH
• PMA/510(K) Number: K042025
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: company representative,foreig
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 07/05/2019

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 Catalogue Number: 75496545
• Device Lot Number: 0633057W
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 05/16/2019
• Initial Date Received by Manufacturer: 03/25/2019
• Supplement Date Received by Manufacturer: 06/05/2019
• Initial Report FDA Received Date: 04/23/2019
• Supplement Report FDA Received Date: 07/05/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 53 YR