Spinal-cord stimulators mean big business for device makers

Models of implantable neurostimulators
Models of implantable neurostimulators, top row from left, the Medtronic Intellis and the Boston Scientific Spectra WaveWriter SCS. Bottom row from left are the Abbott/St. Jude's Proclaim 7 Implantable Pulse Generator and Proclaim DRG Implantable Pulse Generator.
Mary Altaffer | AP