A painless insulin needle

Abstract

The invention belongs to the field of medical technology, and discloses a painless insulin needle, which includes a grip rod, a push rod, a liquid storage tube and a needle seat. A limiting cylinder is arranged inside the grip rod, and the inner wall of the limiting cylinder is movable. A clamping plate is sleeved, the outer surface of the clamping plate is fixedly installed with a limiting plate, the top of the clamping plate is fixedly connected with a connecting spring, and the inner wall of the handle bar is movably socketed with a driving ring, and the top of the driving ring An alignment groove is provided, and a support mechanism is provided at the bottom of the driving ring. In the present invention, by setting the limiting plate and the driving ring, the limiting plate can be squeezed and deformed by the driving ring and then entered into the limiting groove, so that the limiting plate is limited, and the limiting plate is limited during continuous injection. In the limiting groove, the clamping plate and the push rod remain in place, so that novice patients do not need to press the push rod all the time during injection, making the insulin injection more stable and avoiding insufficient insulin injection dose due to loose hands.

Description

technical field [0001] The invention belongs to the field of medical technology, in particular to a painless insulin needle. Background technique [0002] Insulin needles refer to insulin syringes, which push a specified volume of insulin into the epithelial tissue of the human body in the form of injections to alleviate the problem of high blood sugar in diabetics. With the development of technology, people began to try painless insulin needles, that is, injecting A small amount of anesthetic is added to reduce the pain of the injection. [0003] At present, when diabetic patients use insulin needles, they will pierce the needle into the epithelial tissue and then press the push rod on the top of the insulin needle to push the insulin into the body. When injecting insulin, the patient needs to keep pressing the push rod for about 10 seconds. Because the push rod needs to be reused, a spring will be installed for reset for the next use. At this time, the hand of the novice ...

AI Technical Summary

Problems solved by technology

[0003] At present, when diabetic patients use insulin needles, they will pierce the needle into the epithelial tissue and then press the push rod on the top of the insulin needle to push the insulin into the body. When injecting insulin, the patient needs to keep pressing the push rod for about 10 seconds. Because the push rod needs to be reused, a spring will be installed for reset for the next use. At this time, the hand of the novice will loosen, making the injection not stable enough and easy to inject. Insufficient dose of insulin injections

[0004] Before injecting insulin, it is usually necessary to point the needle vertically upwards, flick the liquid storage chamber a few times, and then press the push rod upwards with a small stroke to expel the air inside the liquid storage chamber. Due to the lack of limit measures, some novice Due to the lack of force limit and feedback, insulin is often pushed out too much, resulting in waste of insulin

[0005] The needles of insulin are mostly disposable items, so some patients will install the needles on the front of the insulin needles in advance, which brings a problem: the needles will be exposed and easily be bumped and damaged; A protective cover is installed at the front end of the needle, but the fixing of the protective cover brings a lot of trouble, and the protective effect is not good. The protective cover is generally made of plastic, and it will be squeezed and deformed when bumped, squeezed or hit. causing damage to the needle inside the

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