Physician reports that a patient he implanted with the superion device contacted him regarding onset of acute pain.Physician examined the patient and confirmed a spinous process fracture.Patient reports it occurred when line dancing.Physician advises he will treat for pain acutely and follow patient closely.Spinous process fractures are a recognized low-frequency risk associated with the subject device, and likelihood of occurrence is increased in the presence of certain known risk factors.It is not known whether any such risk factor(s) was (were) present in this case.
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