For long, I have remained avowed about the design principles. In healthcare, one reason there is a poor uptake is because the products are shoddy for end user experience. The products are not engineered to have excellent designs. Therein is the Achilles’ heel of execution failures and usually sunk costs and time.
I came across this blog post on design principles, and I’d highlight the most pertinent ones.
The entire series is a worth read.