I saw this, and the first thing I thought was "first-generation implants that lead to Serco biomechanical implants were likely small and simple like this".
Hackaday link

We already have cochlear implants for the deaf, and implants for the blind. We're 3D printing custom hip replacement implants right now on a regular basis.

I am more machine than human these days.

dude that be awesome to have a magnetic finger lol.