Negative pressure adsorption type hypodermic injection unit
A subcutaneous injection and adsorption technology, applied in the direction of subcutaneous injection devices, etc., can solve the problems of unsightly orange peel, the inflexibility of the elderly, and the injection of drugs into the subcutaneous tissue.
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[0007] The specific embodiment of the present invention is: first go to the medicament chamber of the drug delivery module 4 to inject the medicament, connect and tighten the drug delivery module 4 with the negative pressure cabin 1, and close the air valve 5 tightly; connect the air compressor 3 with the trachea 2 It is airtightly connected with the negative pressure chamber 1, and the air compressor 3 can be formed by a manual vacuum gun, or can be automatically compressed by a small air pump. Place the negative pressure chamber 1 flat on the skin to be injected (such as the buttocks), manually squeeze the vacuum gun 3 (or start the air pump) to suck out the air in the negative pressure chamber 1, so that the skin shrinks and bulges up rapidly. From the beginning, the needle 6 is automatically inserted into the skin so that the patient does not feel pain; slowly inject the drug into the skin, and after the injection, adjust the air valve 5 to make the pressure in the negative...
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