How hard is it to build one of your devices?

Question: How hard is it to build one of your devices?
- Keywords:
  build,
  medical device
Asked by 539metd23 to Alex on 9 Nov 2015.
- Alex Jaeger answered on 9 Nov 2015:
  
  The most difficult part is coming up with a useful design. In my case, I talk to lots of doctors for inspiration and medical students for inspiration!

Question: How hard is it to build one of your devices?