Needleless powder injection medicament administration device
An injection device and needle-free powder technology, which is applied in the direction of hypodermic injection equipment, etc., can solve the problems of air pressure reduction in gas cylinders, affect the total air flow and injection speed, and poor air tightness, so as to prevent the failure of injection ability and prolong the validity period of use , The effect of improving injection safety
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[0029] Such as figure 1 , 2 As shown, the present invention is composed of four major structures such as a gas storage bottle 1, a controlled release mechanism 2, a drug-carrying box 3 and an air flow nozzle 4. The structure of the present invention will be further described in detail below.
[0030] Such as figure 1 , 2 As shown, the gas storage bottle 1, the controlled release mechanism 2, the drug-carrying box 3 and the air flow nozzle 4 are arranged in sequence. The key of the present invention lies in the improvement to controlled release structure 2, as figure 1 , 2 As shown, what the controlled-release mechanism 2 adopts is a ball valve mechanism, and the ball valve mechanism further includes: a valve body 21 connecting the gas storage bottle 1 and the drug-carrying box 3, and a valve body 21 is provided on the valve body 21 to make the gas storage bottle 1 and the drug-carrying box 3 The spool 22 that is turned on or off, and the valve body 21 is also provided wi...
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