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It was reported that during a knee surgery the wires jammed in the eyelet causing the anchor to pull out.There was no harm for patient, operator or third party.The surgery was finished successfully with a new device with the same part number.It was not necessary to switch the surgical technique or do a second surgery.***update nroe 12-dec-2023: further information revealed that the wire jammed in the eyelet, causing the anchor to pull out of the bone.No part of the device broke off.
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This report is being submitted to provide additional information in d8/9, h3, h6: type of investigation, investigation findings, investigation conclusions, h10 and updated information in g1.Investigation summary: complaint is confirmed.Visual inspection identified that the swivelock eyelet was returned without screw, eyelet, and suture of the suture anchor, bio-composite swivelock® sp, 4.75 x 24.5 mm, self-punching, vented.Evaluation was performed per the picture attached to the case showing the bio-screw was bent.The method used to prepare the bone, as well as the bone quality encountered, was not provided.Per dfu-0087-eo revision 2.G.Precautions.3.Make sure to use the recommended drill bit or punch to create a bone socket.8.Self-punching pushlock and swivelock suture anchors only: ensure that the angle of anchor insertion is perpendicular to the bone.The most likely cause for the reported failure can be attributed to improper bone preparation, misalignment insertion of the device or prying/leveraging the device during insertion.Functional testing was not performed due to the damage to the device.
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