Alan wasn't exactly unfamiliar with diagnosing the level of injuries on the battlefield. Which was why he'd produced the tube in the first place...

And why Scott was clamped down with glowing green loops to the bed.

"Our surgeon's equipment had been ruined by the same villain who'd done the damage. So I produced what he needed to get the job done."

Because sometimes, you just made due. He'd had plenty of experience in that with the All Star Squadron years ago.