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Portable medical transfusion alarm device

An alarm device and portable technology, which can be used in alarms, hypodermic injection devices, instruments, etc., can solve the problems of inaccurate alarms of air bubbles, and achieve the effects of accurate and reliable alarm signals, improved conversion speed, and simple operation.

Inactive Publication Date: 2006-07-19
李力
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the above-mentioned medical infusion alarm device and the problem that air bubbles pass through in the infusion process and cannot accurately alarm, the present invention provides a portable device with small volume, low cost, high sensitivity, strong anti-interference ability, simple operation and wide application range. Medical infusion alarm device

Method used

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Embodiment Construction

[0014] The device (see appendix Figures 1 to 4 ), according to the principle of light transmission and refraction, and infrared technology, a sampling circuit, a trigger control circuit and an alarm circuit are arranged on the circuit board 3 in the casing 1. The sampling circuit is composed of a composite photocoupler and resistors R1 and R2. One end of the resistor R1 is connected to the anode of the transmitter, the other end of the resistor R2 is connected to the collector of the receiver, and the other ends of the resistors R1 and R2 are connected to the anode of the power supply; the composite photocoupler is composed of a standard transmission or refraction photocoupler 4 and a triode T1 is formed, the emitter of the transistor T1 is grounded with the negative electrode of the transmitter, and the photocoupler 4 is composed of an infrared transmitter and a photoelectric receiver. The infrared transmitter and the photoelectric receiver are composed of an infrared diode a...

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Abstract

The invention discloses a portable medical transfusion alarming device, which comprises the following parts: sampling circuit, triggering control circuit and alarming circuit, wherein the case adapts the photopath sealing type, which avoids the light source interference; the sampling circuit adapts the composite photoelectric coupler, which contains colloid hollow calibrator on the bottom; the triggering control circuit contains controllable silicon, which transmits the gathered photoelectric signal into alarming signal precisely. The invention guarantees the patient safety, which lessens the labor strength for nursing personnel.

Description

technical field [0001] The invention relates to an electronic instrument for monitoring and alarming intravenous infusion, and belongs to a portable medical infusion alarm device. Background technique [0002] The clinical treatment in the hospital is the scene of rescuing patients in the case of continuous infusion or sudden accident scene, the scene of large-scale power outage caused by natural disasters such as earthquakes; the field rescue of patients in military hospitals in modern warfare often requires continuous intravenous infusion, while During the infusion process when medical staff are in short supply, it is very easy to cause the phenomenon that the liquid medicine is empty or the bubbles generated in the infusion pipeline cannot be detected in time for some reason. This will cause harm and pain to the patient, and can seriously endanger life. The currently disclosed medical infusion alarm devices using photoelectric sensing technology, most of the photoelectri...

Claims

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Application Information

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IPC IPC(8): A61M5/14A61M5/36G08B21/00
Inventor 李力李添翼李丁
Owner 李力
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