An automatic liquid relay infusion head for soft bag infusion

Abstract

The invention relates to an automatic liquid relay infusion head for soft bag infusion. The body of the infusion head is provided with a liquid inlet channel, a liquid outlet channel and a floating valve, wherein a floating valve is arranged at the bottom of the body of the infusion head, and the floating valve is composed of The floating valve room is composed of an upper and lower floating ball and a valve connected with the floating ball. One side of the floating valve room is connected to the liquid inlet pipe, and the other side is provided with a channel to communicate with the liquid outlet channel. The pipe opening and passage are respectively arranged on both sides of the floating valve chamber; a valve is arranged between the liquid inlet passage and the liquid outlet passage, and the valve floats up to block the liquid inlet passage and the liquid outlet passage, and the floating ball sinks to penetrate The liquid inlet channel and the liquid outlet channel, the liquid outlet channel and the channel are both connected to the liquid outlet pipe. The invention controls the infusion path of the soft bag container by closing or opening the floating valve to realize automatic bottle changing. The invention has simple structure and low cost, reduces the labor intensity of medical personnel and is easy to be widely popularized.

Description

technical field [0001] The invention relates to the technology of automatic bag changing for medical infusion, and refers to an automatic liquid-successor infusion head specially used for soft bag infusion, which uses physical principles to automatically control the successive input of liquid in an infusion group. Background technique [0002] I originally applied for an invention patent (patent number: ZL201210408974.4) on the use of physical principles to control the automatic bottle change of infusion, which realizes automatic bottle change by controlling the intake of multiple bottles of liquid in sequence. There are many limitations in actual use, such as: [0003] Must be used in hard plastic or glass bottle dispensing containers, not in soft bag dispensing containers. This is because soft containers can be used for infusion without air intake. If this solution is used for continuous infusion of soft bottle groups, that is, when the second or subsequent liquid bottles...

AI Technical Summary

Problems solved by technology

[0003] Must be used in hard plastic or glass bottle dispensing containers, not in soft bag dispensing containers

This is because soft containers can be used for infusion without air intake. If this solution is used for continuous infusion of soft bottle groups, that is, when the second or subsequent liquid bottles are soft containers, it may cause the second or subsequent liquids to be infused. Early output and mixed with the first bottle of liquid, causing medical accidents

Therefore, the infusion group used in this program can only be the first bottle as an infusion bag at most, because the first bottle can be infused regardless of whether it is air-filled or not, and the automatic bottle-changing function starts from the second bottle, and only It is used for hard bottles to achieve the purpose of continuous infusion

Images