Intelligent infusion device based on automatic control

By using a hollow column and side plate structure to support the inner wall of the drip chamber in the infusion set, combined with a conical cover to buffer the medication, the problem of poor fit of the capacitive liquid level sensor was solved, thus improving the accuracy of liquid level monitoring and the safety of infusion.

CN122399155APending Publication Date: 2026-07-17JIANGXI QIAOMING MEDICAL DEVICES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGXI QIAOMING MEDICAL DEVICES
Filing Date
2026-05-29
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The capacitive level sensor in existing infusion sets does not fit tightly against the outer wall of the drip chamber, affecting the accuracy of level monitoring and posing a risk of air bubbles entering the blood vessels during high-speed dripping or shaking.

Method used

The hollow column and side plate structure supports the inner wall of the dripping bucket, ensuring that the capacitive liquid level sensor fits tightly against the surface of the dripping bucket. The conical cover buffers the liquid, and the combination of hard and soft side plates blocks eddies and defoaming, enhancing the accuracy and safety of liquid level judgment.

Benefits of technology

It improves the accuracy of fluid level monitoring, reduces the risk of air bubbles entering blood vessels, and enhances the safety and reliability of infusion.

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Abstract

本发明涉及输液器的技术领域,尤其涉及一种基于自动控制的智能输液器,包括有输液管二;滴斗上连通有输液管二;滴斗与输液管二固接;滴斗内侧固接有空心柱;通过空心柱和侧板相配合对滴斗内壁进行支撑,使得电容式液位传感器夹持在滴斗上时其不会出现凹陷现象,从而使得电容式液位传感器与滴斗表面紧密贴合,避免了因电容式液位传感器与滴斗之间形成空隙而影响测量液面高度的问题,进而避免对输液操作造成影响,同时,在高速滴液或摇晃时,空心柱和侧板也用于提供消泡效果,有利于提高液面高度判断的准确性,空心柱和侧板还能用于阻断滴斗因摇晃而产生的中心涡流,避免了空气被卷入液面以下形成微气泡流入血管,有利于提高安全性。
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