Injector without needle for animals

Abstract

The invention relates to a veterinary needleless injector comprising drug containing tube components, an injector and a high pressure air supply; the injector includes a magnetic thrust piston arranged inside a cavity on a housing; a pure iron locating part corresponding to the magnetic thrust piston is arranged in the cavity; a tail rod end protrudes out of the housing; the rod end of the magnetic thrust piston is movably connected with a piston rod of an injection piston inside an injection syringe arranged at the front end of the housing; an injection head is arranged at the front end of the injection syringe; a drug inlet port on one side is connected with the outlet port of the drug containing tube components through pipe fittings; a switch plug is arranged at one end of the inside of a through cavity at the lower part of the housing; the outer end is in contact with the side surface of a trigger; a hollow gas circuit movable switch plug corresponding to the switch plug is arranged on the other side in the cavity; and a spring is arranged at the tail end which is connected with the high pressure air supply through pipe fittings. The invention has the advantages of rapidity, high efficiency, no infliction of pain on animals, continuous injection, accurate control of dosage, controllable and adjustable injection pressure for livestock, effective prohibition against cross infection and good safety.

Description

Technical field [0001] The invention relates to a medical syringe, in particular a needleless syringe for animals, which is the first choice for animal husbandry farms, veterinary clinics, animal hospitals and other units to vaccinate or treat livestock. Background technique [0002] With the development of animal husbandry, various types of farms such as beef cattle, dairy cows, pigs, sheep and other professional breeding households have also developed rapidly. It has played a positive role in the prosperity of the market, enriching people's dining tables and improving people's quality of life. In order to provide high-quality livestock products to the market and prevent or reduce the occurrence of epidemic infectious diseases, all breeding farms must vaccinate various corresponding vaccines at the right time each year. Usually, each animal is vaccinated with a veterinary syringe with a needle. As we all know, in this traditional injection method, the thick needle pierces the sk...

AI Technical Summary

Problems solved by technology

As we all know, in this traditional injection method, thick needles penetrate into the skin and cause pain to animals, and the needles are often bent or bent; in addition, frequent loading and unloading of needles requires a lot of work, which is labor-intensive and time-consuming. , although the needles have been sterilized, due to the large volume, a slight negligenc

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