Automatic blood returning device
一种血液返回、自动的技术,应用在药物的器械、其他医疗器械、吸引器械等方向,能够解决空气混入、医务人员负担等问题,达到操作自动化、实现自动化、实现效率化的效果
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[0041] An embodiment of the present invention will be described in more detail below with reference to the accompanying drawings.
[0042] Figure 1 to Figure 5 It shows the general structure and arrangement of the automatic blood return device, and the flow path and direction of blood and fluid replacement in each step and state. figure 1 It is an external structure diagram showing the state of hemodialysis without fluid replacement. exist figure 1 In the arterial side (blood) circuit 1 starts from the arterial side connection A and ends at the dialyzer connection A' connected to the hemodialyzer 2. In the arterial side circuit 1 , a blood pump 3 and an arterial cavity 4 are provided in this order from the upstream side, and between the blood pump 3 and the arterial side connection end A, there is a fluid replacement line branch 5 a connected to a fluid replacement line 5 . Between this branch portion 5a and the arterial side connection end A, an air bubble sensor 6 is att...
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