Zach,
If doing the medic theme don't forget the pre WW2 items which might fit that category (ie. helping a mate).
Some from memory are :
MK Knight helping wounded
Nap British Saving the boy and more recent Brit release
ACW Confederate carrying wounded and the surgeon set.
WW1 Australian camel ambulance and two medics and AL17 carrying wounded
WW1 British carrying wounded (being re-released as an Aussie)
There are plenty of WW2's with stretcher teams in the FOB, BBG, BBA, EA series. DD US Jeep with stretcher, two US medic pairs last year (209/10 ?), WS M/C with stretcher and many current WS's, not to mention a RAF pair that might fit. Austin (DD and EA) and Dodge (BBA and DD) ambulances.
Plus I can think of two figures with crutches if that counts{sm4}.
So plenty of choice although quite a few retired.
Hope that helps (wish I had seen DM101's post before making mine !!).
Brett