Pondering a couple of early TNG medical tools... is there any more info on these out there?
The first is this acrylic rod tipped tool that is reminiscent of the later laser scalpel, minus the handle:
Used in "The Battle" (and possibly nowhere else):
Visible near hinge of medkit:
Then there is this which is a sort of alternate hypospray or sample extractor. I know I've seen a Sternbach sketch for it but I can't recall where. It might pop up once more in Season 1 but is absent later on. It uses shorter vials than the normal hypo and has a plunger action:
The Lonely Among Us:
Bonus closeup of stickers on the thermometer/circuit tester stylus: