FDA already has rules around medical implants. Having worked for a medical device manufacturer - a not so small chunk of my time was figuring out how to secure rather ancient hardware with equally ancient software.

www.businessinsider.com/people-with-... We appear to have some issues with how these things work.

People with bionic eye implants are going blind again after the gadget expired inside their bodies

The Argus II implant by Second Sight Medical Products restored partial vision in around 350 people. It was discontinued in favor of new technologies.