Personally, I think this reason is the most important, and other conditions can only be said to be embellishment.
This method has been applied by countless medical device manufacturers, but the effect is far less than it. One is the lack of training time, and the other is the lack of manpower. But there is no doubt that this method is effective for the current medical situation in China. Therefore, there is a famous saying in the industry: the development of medical care in China relies on the continuous education of medical device manufacturers.
The person who introduced this method in those days was really sharp-eyed and grasped the fate of China medical care, and he was a genius.
I also secretly wonder whether its use of indwelling needle will directly become a compulsory course in nursing schools in the future. Ha ha laugh