Medical Scanner2
This article covers ways for players to heal themselves when injured. Players can craft several items including:

Bandages, stims and painkillers will be administered by the players themselves, however the Medical Scanner can be used at range to heal allies. Once Nanites are loaded, point it at the player and fire. As an added bonus, for every point players put into Electronics, they will recieve a 3% boost to Med Scan Healing up to a maximum of 30%.