There are devices such as this one already in existence, but they are much larger than this new device, and its smaller size increases accuracy as it can be implanted closer to the spine than previous models.

ENGADGET: Chip implanted in spinal cord could help sufferers of chronic pain (video)

But that statement is not a broad reaffirmation of the accuracy of all his testimony, despite the House managers' desire to character size it as such.

CNN