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On 11/9/2023, it was reported by a distributor via (b)(4) that an ar-1588tb-1 tightrope abs button broke in half upon tensioning and got lodged into the tibial tunnel.The broken fragments were retrieved, and the case was completed successfully.This was discovered during an acl procedure on (b)(6) 2023.Additional information was received on 11/10/2023: the case was completed by opening another ar-1588tb-1 tightrope abs button.The case was delayed five minutes, and no additional anesthesia was needed.The patient suffered no negative effects on or after the surgery.
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The complaint allegation cannot be confirmed as the device was not received for evaluation, and no pictures of the failure were received.Based on the information provided, which may include the device (if available and returned), pictures, videos, event description, and any additional information from the field, arthrex concluded that the most likely cause of the reported and observed failure is user error.Specifically, the error involved applying excessive force, most likely by pulling the sutures.Direction for use.Dfu-0147 at revision 3.G.Precautions.1.Acl/pcl/ btb/rt/abs tightrope only: excessive force on the shortening suture strands may break the strands and impair ability to fully seat the implant.No additional force on the shortening suture strands is required when the graft/wedge construct reaches the desired position in the femoral socket and the graft stability is verified by pulling distally on the graft.2.Load the acl/pcl tightrope button over the unspliced, thinner portion of the acl/pcl tightrope suture to assist assembly.Once assembled slide the acl/pcl tightrope button down to the thicker, spliced portion of the acl/pcl tightrope suture to help prevent disassembly.
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