I do not think you need an exit to sponsor this. How about starting a web site that outlines all your ideas? Start building interest in the idea. Invite discussion.....

I'm obviously not familiar with your dad's specifics, BUT hospitals will sometimes require tracking of fluid intake to help track kidney function post stroke. It's not the most common thing, so a physician would have needed supporting evidence to indicate the potential of kidney failure. Just something to keep in mind :)