Intravenous injection auxiliary control unit and intravenous injection device

A technology of auxiliary controller and temperature control device, which is applied in the direction of measuring device, lubrication indicating device, instrument, etc., can solve the problems of air ingress and danger of human veins, and achieve the effect of reducing workload

Inactive Publication Date: 2008-08-13
官继立
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The device can give an alarm when the liquid medicine in the infusion bottle is about to be infused, but it takes a while after the alarm to be processed by

Method used

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  • Intravenous injection auxiliary control unit and intravenous injection device
  • Intravenous injection auxiliary control unit and intravenous injection device

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Embodiment Construction

[0020] The invention discloses an auxiliary device which is applied in intravenous injection to give an alarm in time when the liquid medicine is infused. By setting a solenoid valve on the infusion tube, the solenoid valve is closed immediately after the device alarms, and the liquid medicine stays in the infusion tube. Effectively prevent the air from entering the human vein or blood backflow after the medicinal liquid is completely transfused.

[0021] The present invention will be described in further detail below in combination with specific embodiments.

[0022] figure 1 It is a functional block diagram of an embodiment of the present invention. see figure 1 As shown, the intravenous injection auxiliary controller includes an information control center 1, an infrared sensor 2, an alarm 3, a solenoid valve 4, and a control circuit; the solenoid valve 4 is used to control the flow of liquid in the infusion tube, and the installation position is located under the infusion...

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Abstract

The present invention discloses an intravenous injection assistant controller and an intravenous injection device. The intravenous injection assistant controller includes information control center, liquid level sensor, electromagnetic valve and control circuit; said electromagnetic valve is used for controlling on-off of liquid fluid in infusion tube, said liquid level sensor induces liquid level height, and emits liquid level alarm signal to information control center when the liquid lever lowers than Presupposition liquid level, the information control center emits action signal to control circuit after receiving liquid level alarm signal, the control circuit stops electromagnetic valve working after receiving action signal, and interrupts liquid fluid in infusion tube. The controller can stop dangerous completely that air enters into human vein and blood return after the medicine liquid is total infused, and more prevent adverse reaction of injecting part ache or cold casued by too low or high temperature of injection.

Description

【Technical field】 [0001] The invention relates to an auxiliary instrument for a medical device, in particular to an auxiliary device which is used in intravenous injection to give an alarm in time when the medicine liquid is transfused. 【Background technique】 [0002] When performing intravenous infusion to a patient, the liquid medicine is usually injected into the blood vessels of the human body through the infusion tube to achieve the purpose of injection. However, when the liquid medicine in the infusion bottle is nearly finished, the medical staff must be informed to change the infusion bottle or pull out the needle in time, otherwise air will easily enter the vein or blood backflow and medical accidents will occur. [0003] There are many devices that alarm when the liquid medicine is transfused. A typical alarm device is a liquid level monitoring device for hanging needle injection as Chinese Patent No. 200420057743.4. The circuit is composed of an electronic control...

Claims

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Application Information

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IPC IPC(8): A61M5/14G01F23/00
Inventor 官继立
Owner 官继立
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