Eligibility for this implant: >Have quadriplegia (limited function in all 4 limbs) due to spinal cord injury or amyotrophic lateral sclerosis (ALS) and are at

Eligibility for this implant: >Have quadriplegia (limited function in all 4 limbs) due to spinal cord injury or amyotrophic lateral sclerosis (ALS) and are at least 1-year post-injury (without improvement) Even if all the problems you are talking about happen, I would venture a guess that the vast majority of quadriplegics would jump at the opportunity to use their arms and legs again, even if it meant an overall shorter lifespan or other complications.