Portable insulin injection pen

Abstract

The invention relates to the related field of medicine injection, and discloses a portable insulin injection pen. The portable insulin injection pen comprises a main box body, wherein a sliding lead screw sleeve cavity is formed in the main box body, a conical block sliding cavity is formed in the upper side of the sliding lead screw sleeve cavity in a communicating mode, a line wheel cavity is formed in the right side of the conical block sliding cavity, and a needle head cavity with a downward opening is formed in the main box body. a needle head base sliding cavity with a leftward opening is arranged on the left side of the needle head cavity in a communicating manner, a torsion spring stores energy while a rotating nut is rotated to adjust the required unit injection amount, a needle head is clamped in the needle head cavity before injection, the needle head is prevented from being scratched before injection, and injection safety is guaranteed. During injection, the main box body is pressed towards the injection position, energy stored in the torsion spring can be released, then injection is performed, injection operation is greatly facilitated, besides, when medicines in a medicine bottle are used up, an injection push block can automatically recover to the initial position, the injection pen can automatically recover to the initial state, and replacement of the medicine bottle is greatly facilitated.

Description

technical field [0001] The invention relates to the related field of drug injection, in particular to a portable insulin injection pen. Background technique [0002] Insulin injection pens save patients the cumbersome process of drawing insulin out of insulin vials with a syringe and the embarrassment of injecting insulin in public places. However, the current insulin injection pens have a simple structure, and the injection push rod needs to be pushed to the rear before installation. Insulin pharmacy bottle, when injecting at the same time, you need to press the injection push rod with your fingers to inject, which makes it inconvenient for some elderly people with handicapped hands and feet to use, and the needle is exposed to the outside of the injection pen before injection, and some patients with poor eyesight are easily caught. scratched. Contents of the invention [0003] The object of the present invention is to provide a portable insulin injection pen, which can ...

AI Technical Summary

Problems solved by technology

[0002] Insulin injection pens save patients the cumbersome process of drawing insulin out of insulin vials with a syringe and the embarrassment of injecting insulin in public places. However, the current insulin injection pens have a simple structure, and the injection push rod needs to be pushed to the rear before installation. Insulin pharmacy bottle, when injecting at the same time, you need to press the injection push rod with your fingers to inject, which makes it inconvenient for some elderly people with handicapped hands and feet to use, and the needle is exposed to the outside of the injection pen before injection, and some patients with poor eyesight are easily caught. scratch

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