Clinical medical needleless injector
A technology of a needle-free syringe and an injection assembly, which is applied in the field of medical devices, can solve the problems of high production cost, inconvenient operation of the needle-free syringe, and small scope of use, and achieves the effects of easy implementation, low production cost and reasonable structure.
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[0057] see Figure 1-4 As shown, a clinical needle-free injector disclosed by the present invention is mainly composed of five parts: a gun body, a ram assembly, a circular drag assembly, a trigger assembly and a terminal injection assembly.
[0058] Among them, see Figure 1-6 And shown in 9, described gun body is made of fixedly connected gun frame 8 and gun barrel 5; Gun barrel 5 is provided with cylindrical gun chamber 14, and the both sides of gun housing 14 are respectively provided with a side that communicates with it. Cavity 15, the front end of gun barrel 5 is fixed with thread head 11 through neck pipe 9, and the observation window 4 with scale 10 is arranged on the side wall of neck pipe 9, the inner chamber of neck pipe 9, the inner chamber of thread head 11 and gun bore 14 three Coaxial, and the inner diameter of the neck tube 9 is smaller than the gun bore 14; The driving cavity 13 and the gun body are used as the framework of the clinical needle-free syringe,...
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