A needle-free syringe, in the drug injection without the aid of a needle, the use of high-pressure jet principle, so that the liquid formed a thin liquid flow, instantly through the skin to the subcutaneous. Because of the change of injection principle, the liquid medicine is dispersed and distributed under the skin, the onset time is faster, and the drug absorption rate is higher.
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Is this electric? How did you get the medicine out of this shape? I remember there was a 50N spring in it. How did you put it into this shape?
I know that the pig raising organization has this thing, and now people are using it?
Does it hurt, is it strong, can it perforate the intestine?
It's a little big, but it's suitable for home.
nice work