Automatic transfusion liquid switching system
An automatic and infusion tube technology, applied in flow monitors, hypodermic injection devices, devices introduced into the body, etc., can solve the problems of no infusion system, difficulty in fixing liquid level, short response time, etc., and achieve precise control of liquid medicine flow rate, reduce the risk of back stitching, and reduce the effect of labor intensity
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no. 1 example
[0054] For a first example, see Figure 1-9
[0055] The automatic infusion and liquid exchange system provided in this embodiment includes an externally rotating rotary liquid changer, which includes an inner shaft 101 and a casing 102 sleeved outside the inner shaft 101, and the casing 102 can be relatively The inner shaft 101 rotates, the inside of the inner shaft 101 is provided with a plurality of first infusion tube joints 103 communicating with the outside, and the outer shell 102 is provided with a second infusion tube joint 104 communicating with the outside, and rotating the outer shell 102 can make all The second infusion tube joint 104 communicates with each of the first infusion tube joints 103 respectively, the second infusion tube joint 104 is connected with a lower infusion tube 207, the lower infusion tube 207 is connected with a scalp needle, and the casing 102 is provided with a rotating The driving part 108 can screw the casing 102 by rotating the driving ...
no. 2 example
[0091] For a second example, see Figure 10-15
[0092] The automatic infusion and liquid change system provided in this embodiment uses an internal rotary liquid changer to replace the external rotary liquid changer in the above embodiment, other structures and principles of the automatic infusion and liquid change system and the resulting technology The effect is the same as that of the first embodiment. For a brief description, for parts not mentioned in this embodiment, reference may be made to the corresponding content in the first embodiment.
[0093] This internal rotary liquid changer includes an inner shaft 101 and a casing 102 sheathed on the outside of the inner shaft 101. The inner shaft 101 can rotate relative to the casing 102, and the casing 102 is provided with a plurality of first holes communicating with the outside. An infusion tube connector 103, the inner shaft 101 is provided with a second infusion tube connector 104 communicating with the outside, rotat...
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