Homebrew
Healer's kit. The kit has ten uses. Healer. When the medic uses a healer's kit to stabilize a dying creature, that creature also regains 1 hit point.
Patching up the wounds. The medic can expend one use of a healer's kit to tend to a creature within 5ft and restore 1d6 + 4 hit points to it, plus additional hit points equal to the creature's maximum number of Hit Dice. A creature can’t regain hit points from this action again until it finishes a short or long rest. Dagger. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 1d4+2 piercing damage.
Battlefield manouver. The medic takes the Disengage action.