Complex sentence: An epinephrine autoinjector, is a medical device for injecting a measured dose or doses of epinephrine (adrenaline), by means of autoinjector technology; it is most often used for the treatment of anaphylaxis.
Split into simpler sentences: An epinephrine autoinjector is a medical device for injecting a measured dose or doses of epinephrine (adrenaline) by means of autoinjector technology. It is most often used for the treatment of anaphylaxis.