A military<unk>  in use An<unk>  (or<unk>  is a medical device designed to deliver a dose of a particular drug. The injectors were initially designed to overcome the hesitation associated with self-administration of the needle-based drug delivery device. Most<unk> s are one-use, disposable, spring-loaded syringes. By design,<unk> s are easy to use and are intended for self-administration by patients, or administration by untrained personnel. The site of injection depends on the drug loaded, but it typically is administered into the thigh or the buttocks.<unk> s are sharps waste.
Autoinjector
Autorefractor
Insulin pump
Surgical elevator
Injector pen
Jet injector
Campimeter
Conception device