Implant shocks patient's spines, restores partial use of paralyzed limbs

Remember that spinal implant that helped a paraplegic man walk (albeit in a harness) back in 2011? It's now been tested on three more partially paralyzed patients -- and it's working. The original device was a 16-electrode array that emitted small pulses of electricity to the spine, simulating the brain's natural impulses. With intensive therapy and training patients have been able to regain limited control over their paralyzed extremities.

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