Spinalogic Bone Stumulator. CMF Spinalogic. The CMF SpinaLogic is a portable, battery powered, micro controlled, non-invasive bone growth stimulator, indicated as an adjunct electromagnetic treatment to primary lumbar spinal fusion surgery for one or two levels. Characteristics Treatment time of 30 minutes per day Combined magnetic field technology at a frequency of 76.6Hz promotes bone healing Lightweight, portable battery powered medical device with simple one-button operation Universal size As shown on pictures