Pistol for veterinary hypodermic injections (Machine-translation by Google Translate, not legally binding)

摘要

Gun for veterinary hypodermic injections, which is essentially characterized by being composed of a set divided into a stock and a barrel, in the first of which are articulated two levers of maneuver, of which one acts as a trigger and is conjugated with the another, which has a head or end located inside the aforementioned barrel, between two elements of stop or support, of which one is combined with a sliding bushing dependent on a rotating screw attached to a rear external regulator button, while that the other is integral with an axis surrounded by a coil spring and fixed to a mobile piston inside a graduated transparent tube or cylinder, visible from the outside of the barrel through windows that this has, this tube being coupled or camera to a terminal body provided with two crossed perforations, one perpendicular to the theoretical axis of the barrel and the other coaxial to it, appearing in the first of such perforations a valve tensioned by a spring action adjustable from the outside and placed in a nozzle to which a flexible conduit is connected that ends in the appropriate container or reservoir containing the liquid substance to be inoculated, while in the perforation longitudinal there is another valve also tensioned by a spring and in communication with a final body equipped with a threaded interior for coupling to the fitting of the corresponding hypodermic needle. (Machine-translation by Google Translate, not legally binding)