The surgeon reported on 5/7/2021 that the patient's anti-drift bolt backed out.The patient is asymptomatic, and no revision is planned.X-ray on (b)(6) 2021 shows that the adb head is prominent above the plate.The tip of the adb is in the 2nd metatarsal base and not the lateral cortex of the 2nd metatarsal.No non-conformances were identified.Potentially, force from weight-bearing with normal walking motion caused the screw to back-out.The following implants were also included in the contruct with the anti-drift bolt: ref: 7100-lp18-r, ln: 501209, qty: 1, product name: dynabunion plate 18mm - right.Ref: 1500-3518, ln: 400025, qty: 1, product name: motoband non-locking screw 3.5mm x 18mm.Ref: 1500-3516, ln: 400148, qty: 1, product name: motoband non-locking screw 3.5mm x 16mm.Ref: 15pl-3516, ln: 400165, qty: 1, product name: motoband polyaxial locking screw 3.5mm x 15 mm.
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