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Additional information: d9, g3, h3, h6.One unpackaged interference screw, ar-1380tc, batch 15400536, was received for investigation.Visual inspection noted surface damage and warped threads on the device.The screw was inspected under magnification; no fracturing was observed at the distal end.Functional testing was not performed due to damage to the device.The method used to prepare the bone and bone quality encountered during the procedure were not provided.The most likely cause for the dmaged threads may be attributed to: improper bone preparation, misaligned insertion, prying or leveraging the device during use, complaint allegation is not confirmed.Refer to attached investigation photos.
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