Don't worry about them being flash based, they aren't even that. Most are crappy buggy VB forms.
Really, who designs and writes medical software? They are the worst engineered software in the world. At one place I worked, I had to convert an app from VB to C++ because the VB was slow and a memory hog. Of course no documentation and had to reverse engineer the system only to have another software company sell us a product promising great things. Their input boxes lined up, that was about it.
So unless they also want to spend some money to hire some good software engineers and designer and have standard data formats, iPads count for naught.
Web based would be a start