The physician's manual states "the generator may optionally be removed at the end of its useful life (approximately 24-weeks)." the full prescribing information states "indications:the spf plus-mini implantable fusion stimulator is indicated as a spinal fusion adjunct to increase the probability of fusion success in 1 or 2 levels.The spf-xl iib implantable spinal fusion stimulators are indicated as a spinal fusion adjunct to increase the probability of fusion success in 3 or more levels.Usage:the spf has only been studied as an adjunct for lumbar spinal surgery." review of device history records show the lot released with no recorded anomaly or deviation.Without a product return, no product evaluation is able to be conducted.Current information is insufficient to permit a valid conclusion about the cause of this event.If additional information is obtained that adds value to the relevant content of this report and/or a conclusion can be drawn, a follow-up report will be sent.
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