This mdr was identified as part of complaint file remediation project.Non-union was identified 2 months post-op.The fusion site did not properly fuse/heal.None of the implanted hardware mechanically failed.The hardware was removed during a revision surgery and no additional hardware was implanted.Patient was non-compliant with post-op protocol.The patient is also diabetic and neuropathic.The hardware was implanted on (b)(6) 2018 and removed on (b)(6) 2018.Based on the investigation results, no defects were found with the crossroads implants that were used.The device failure category is currently unknown.It is unknown if the patient followed post-operative instructions including the importance of immobilization of the treatment site using routine methods be maintained until bone healing has occurred.Additional hardware used with the component previously listed: dynaforce mpj plate 5degree valgus, 0degree dorsiflexion, 18mm, sterile packaged part number 7r50-0018 lot number 500190.
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