Medical is a special field. It require some special certificate for active, so it is very difficult for your project to get certificate from some organization for active. But, it have to change too, and block chain is one of the revolution for it.
Well you are right that certification for medical using blockchain is really hard to obtain but Atlantico network will sign a contract with their partners to connect their platform to medical centers around the world and as you can see that the team members are experts in medical industry so they know what to do for the successful of this platform.