Jack comes bounding back up into the Hub and then down the medbay stairs. He holds the device over to the Doctor, figuring he's the one who needs to set it up rather than Owen.
"Dr. Harper-- if he claims you can ignore it if it starts draining a lot, don't. Ignore him. He can push himself way too far. And don't protest, Doctor. You know I could help and it'd be safer for you and Jenny."