In (b)(6)2013, the surgeon performed a left side si joint fusion on the patient placing three ifuse implants.The patient did well for several months but later complained of a recurrence of low back pain.In (b)(6) 2014, the surgeon performed a revision surgery where he removed one implant that was short and replaced it with a longer one and added two additional implants to help fixate the joint.The patient's status following the procedure is unknown.
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Based on the information provided, review of the surgical technique guide, ifu, certificates of analysis and fmea, there is no evidence that the device was out of specification.The most probable root cause is recurrence of symptoms caused by a short implant not fully seated into the sacrum.Part numbers, lot numbers, manufacturing dates and expiration dates: ifuse implant, p/n 7035-90, lot# 8175003938011, manufactured 09/01/12, expires 2015-10; ifuse implant, p/n 7045-90, lot# 148828, manufactured 11/30/12, expires 2017-11; ifuse implant, p/n 7055-90, lot# 8078003804010, manufactured 08/10/12, expires 2015-09.
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