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This report is being submitted in pursuant to the provisions of 21 cfr, part 803.This report may be based on information which has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by mitek or its employees that the report constitutes an admission that the device, mitek, or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.Investigation summary: according to the information received, it was reported that during insertion of anchor the tip has broken.Normal by the book insertion technique followed and snap occurred at commencement of trying to turn anchor in.The complaint device is not being returned, it was discarded by the customer, therefore unavailable for a physical evaluation.However, a photo was provided.Upon visual inspection of the photo, it was observed that the anchor was broken from the distal part but is held in place by suture; therefore, this complaint can be confirmed.Also, it was identified blood residues along the device.A manufacturing record evaluation was performed for the finished device lot number: 1l85512, and no nonconformances were identified.Further, a review into the mitek complaints system revealed no other complaints for this lot of (b)(4) devices that were released to distribution.No further procedure information was provided to determine at what point in time this failure occurred.We cannot discern a specific root cause for this failure.The possible root cause can be associated with off axis insertion and levering during insertion.However, it cannot be conclusively affirmed.As per ifu, inserting the awl less than the specified depth, axial misalignment or levering with the anchor upon insertion, may result in anchor fracture.Also, it is important to do not apply a bending force to the inserter, this can damage the anchor or inserter tip.At this point in time, no corrective action is required, and no further action is warranted.However, depuy synthes mitek will continue to track any related complaints within this device family as a means of monitoring the extent with which this complaint is observed in the field.
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