A drug automatic injection device has a needle, a cylinder containing a drug, an embolism, including an epinephrine and a second body element, which are coaxially based, used for progressive motion, coupling media, and a PPI booster. Or gears and zippers
Automatic injection Device for dispensing a drug with a Needle connected to a Cylinder adapted to retain a Medicine and a plunger inside the CylinderIncludes a First and second Body Element Mounted for Reciprocal Movement in a coaxial, drivers and coupling； method.Dispositivo de inyección automático para dispensar un medicamento, con aguja conectada a un cilindro adaptado para retener un medicamento y un émbolo dentro de dicho cilindro, comprende de un primer y segundo elemento del cuerpo montado en forma coaxial para el movimiento recíproco, elementos impulsores y de acoplamiento； método.
