"put a bandage" is a correct and usable phrase in written English.
It can be used in reference to either physical or metaphorical situations. For example, "He decided to put a bandage on the disagreement and move on with their relationship".
They put a bandage on my leg".
It's because instead of getting a broken bone fixed he put a bandage on it.
"If we want our assistance to be effective and cost-efficient, we must not just put a bandage on the wound – we must help find a cure.
When my boil was empty, he doused it with alcohol and put a bandage on it, as if it had been a minor injury, a shaving cut, a skinned knee, something normal he hadn't milked like a dead cow.
"It's like you're getting hit on the head with a hammer, and you do everything you can to make it better — you take aspirin and put a bandage on it, but eventually you got to take your head out from beneath the hammer.
But when I heard the reports of old people lying in their faeces, or with open wounds that no one had put a bandage on, or with a mouth that was red and raw and parched, because they couldn't reach the beaker of water on their bedside cabinet, I knew I couldn't.
These ideas are like putting a bandage on a broken bone for many Israelis who advocate the establishment of civil marriage and other ways to wrench religion from government.
If you only suck your thumb at night, try putting a bandage on each thumb.
Once you have cleaned and bandaged the ulcer, you can put a compression bandage on the wound.
In seconds, Luke had put a pressure bandage on the man's arm and made a sling out of our turret gunner's scarf.
Or you could put a clean bandage over the piercing and pretend you've scratched your nose.
