Based on the information provided, review of the surgical technique manual, ifu, certificates of analysis and fmeas, there is no indication of device failure and no indication that the device was out of specification.The most probable root cause is user error; improper implant size selection, using an implant that was too long or placing the implant too deep.
Event or Problem Description
The patient had right side si joint arthrodesis in (b)(6) 2017 where three implants were placed.The patient had si joint pain relief for one year following the initial procedure before reporting new pain symptoms.The surgeon determined that the most inferior positioned implant was impinging on the neuroforamen.In (b)(6) 2018, the surgeon performed a revision procedure where he removed the inferior positioned implant.No other preexisting implants were adjusted or removed.The status of the patient following the revision procedure is not known.