Pressurization type lance and use thereof in medicine spraying device of blood sampling tube assembly device

Abstract

The invention provides a pressurizing spraying gun device and application thereof to a drug-spraying device of a blood-taking tube assembling machine, which belong to the technical field of machinery. The pressurizing spraying gun device solves the technical problem that the prior manual spray painting is easy to cause pollution and make spraying liquid difficult to enter the spraying gun to result in that the drug-spraying quantity is hard to control. The pressurizing spraying gun comprises a liquid storage tank for storing liquid medicine and the spraying gun connected with the liquid storage tank, wherein the liquid storage tank is a closed structure; the upper part of the liquid storage tank is provided with an oil filling port and an air inlet connected with a pressure air supply; and the upper part of the liquid storage tank is provided with a pressure setting mechanism which constantly keeps the air pressure in the liquid storage tank larger than the pressure in an oil chamber of the spraying gun. The pressurizing spraying gun can be arranged on the drug-spraying device of the blood-taking tube assembling machine, can automatically press to an oil chamber of the spraying gun to ensure the stability of the spraying liquid of the spraying gun, and has broad range of application. The drug-spraying device of the blood-taking tube assembling machine has wide serviceable range, is healthful and safe, and can spray the liquid medicine into the blood-taking tube quantitatively and evenly.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a spray gun device and its application, in particular to a pressurized spray gun device and its application on a blood vessel assembly machine. Background technique [0002] With the continuous development of medical technology, the technology of diagnosing various diseases through blood tests has been quite extensive. The blood required for the test is collected from the human body through blood collection tubes. Generally, a blood collection tube is composed of a disposable syringe body, a retainer and a special needle. In order to detect various diseases, it is necessary to coat the inner surface of the tube body with corresponding detection agents, such as sodium fluoride, potassium oxalate and other agents need to be coated on the tube body in blood sugar detection. [0003] In various syringes, it is also necessary to coat the syringe barrel with silicone oil as a lubrica...

AI Technical Summary

Problems solved by technology

There are great defects in manual drug application. First of all, the biggest disadvantage of manual operation is that germs are easy to adhere to the tube body, which will inevitably pollute the tube body during the assembly process, resulting in unqualified product hygiene requirements; in serious cases , inaccurate test results due to contamination

Secondly, manual application of medicine requires higher requirements on workers' health, hygiene, and working environment, which increases the cost of production

In addition, the spraying speed of manual operation is also low, and it is difficult to adapt to the fierce market competition; and it is difficult to control the amount of spraying

Too much spraying of blood collection tubes will cause unnecessary waste, and too little spraying will affect the results of the test, resulting in a high amount of scrap for cell testing

The amount of silicone oil applied should not be too much or too little. If it is too much, the safety hazard of the syringe will exceed the standard. If it is too little, the needle bar will not be able to be pulled, which will cause inconvenience to use.

[0005] On the medical device assembly machines that appear on the market, there is no spray gun device instead of manual spraying, and other similar spraying devices such as oil spraying and painting devices are not applicable

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