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It was reported that during use in an aclr procedure, the screw biorci-ha anchor broke down while inserting at the tip of the tibia.Surgery was resumed, after a non-significant surgical delay, with a back-up device.No patient complications were reported.
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The reported device was received for evaluation.It was determined the device did not contribute to the reported event.A complaint history review found similar reported events.A review of device records showed there were no indications to suggest that the product did not meet manufacturing specification upon release for distribution.The instructions for use was reviewed and found to include conditions of off label use and technique specifics, as well as precautions and warnings related to the use of the device.A risk management review found that the reported failure was documented appropriately, and there were no indications to suggest that the anticipated risk region is not adequate.A review of the polymer found that the storage requirements for the material are specified, and the material must comply with provided percentage composition specifications as measured by ash test.A review of the customer provided image found labelling confirming the product identification information.The screw is fractured on the distal end, a visual inspection of the returned device found that it is not in its original packaging.The screw is fractured, and there is debris on the device.Based on the condition of the product material found during visual inspection, additional material testing is not required.No clinical information has been provided; therefore, a thorough medical investigation cannot be rendered.Based on the information provided, the biorci-ha broke at the tip of the tibia during use internal to the patient.If the implantable anchor tip was retained in the tibia, micro-motion and or migration is unlikely.Per the report, the surgery was resumed, after a non-significant surgical delay, with a back-up device.Since there were no patient harm alleged, no further clinical/medical assessment is warranted at this time.The complaint was confirmed, and the root cause was associated with unintended use of the device.Factors that could have contributed to the reported event include excessive force on the device, excessive torque on the device, attempted correction of a damaged device, off-axis insertion, improper preparation of the insertion site, or an inadvertent impact event inconsistent with normal use.Please refer to the instructions for use for recommendations on proper use of the device and potential troubleshooting methods to prevent future reoccurrence of the reported event.No containment or corrective actions are recommended at this time.
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