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Portable medical transfusion alarm device

An alarm device and portable technology, applied to 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, prevention of missed alarms, and high sensitivity

Inactive Publication Date: 2008-02-06
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] This device (see accompanying drawings 1-4), according to the principle of light transmission and refraction, and infrared technology, is provided with a sampling circuit, a trigger control circuit and an alarm circuit on the circuit board 3 in the housing 1, and the sampling circuit is composed of a composite photoelectric coupling One end of the resistor R1 is connected to the positive pole of the transmitter, the resistor R2 is connected to the collector of the receiver, and the other end of the resistors R1 and R2 is connected to the positive pole of the power supply; the so-called composite photocoupler is composed of a standard transmission Or the photocoupler 4 of refraction and triode T1 constitute, and its triode T1 emitter and the negative electrode of transmitter are grounded, and its photocoupler 4 is made of infrared transmitter and photoelectric receiver, and said infrared transmitter and photoelectric receiver are made of Composed of infrared diodes and ph...

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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, which belongs to a portable medical infusion alarming device. Background technique [0002] The clinical treatment of the hospital is the scene of rescuing patients during continuous infusion patients or sudden accident scenes, large-scale power outages caused by earthquakes and other natural disasters; patients who are rescued by military hospitals in modern wars often need continuous intravenous infusion, and During the infusion process when there is a shortage of medical staff, it is very easy to cause the liquid medicine to be empty or cause bubbles in the infusion line for some reason and cannot be detected in time. This will cause harm and pain to the patient, and it will be life-threatening in serious cases. Currently disclosed medical infusion alarm devices using photoelectric sensing technology, most of the photoelectric "transmitting-receiving...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/14A61M5/36G08B21/00
Inventor 李力李添翼李丁
Owner 李力
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