Specifically, the stuff used in blood donations… needle, tubing, rubber tournequet, clamp, collection bag. Is this something you could just pick up in a medical supply shop? And where in Chicago could I find such a shop?
Gonna drain some folks?
not really. Just need some props for a project.
Most of that stuff is labeled “For Sale To, or by Prescription of a Licenced Doctor”. Or something similar to that. The rubber tournequet should be no problem to find online at a medical supply place.
Well, crap. Is there any way to get my hands on some? How do the props masters at ER do it? 
With props I’d imagine. I think if you look hard enough on the internet you should be able to find most of the things your looking for. The only thing that might present some difficulty would be needles, but even those can be had with some googling I’d imagine.
Or you could go downtown and beat up some junkies…