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A state monitoring device

A state monitoring device and monitoring device technology, applied in flow monitors, devices introduced into the body, etc., can solve the problems of low economic benefit and high cost of use, reduce inherent power consumption, reduce signal interference, and satisfy self-adaptiveness Effect

Active Publication Date: 2017-01-04
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of ultrasonic detection method is that the cost of use is too high, and the economic benefit of using this method is low for hospitals

Method used

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Embodiment

[0034] A state monitoring device is used for monitoring the dripping state of an infusion set with a Murphy dropper 1, and the monitoring device includes a connected infusion pulse counting unit and a drop speed online monitoring unit. Such as figure 1 As shown, the infusion pulse counting unit includes a condenser 2 and a photosensitive element 3, the condenser 2 is arranged on one side of the Murphy dropper 1, and there are two photosensitive elements 3 installed on the same side of the condenser 2 On the other side of the Murphy dropper 1, and two photosensitive elements 3 are arranged up and down. The condenser 2 can be a condenser, and the photosensitive element 3 can be a photoresistor or a photodiode.

[0035] The condenser lens 2 is irradiated with natural light and light as the light source, and the condenser lens 2 condenses the external light. When a droplet passes through, the light intensity received by the photosensitive element 3 will change due to the scatter...

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Abstract

The invention relates to a status monitoring device, which is used for monitoring the droplet dropping status of an infusion device with a murphy drip bulb. The monitoring device comprises an infusion pulse counting unit and a dripping speed online monitoring unit which are connected with each other, wherein the infusion pulse counting unit comprises a collecting mirror and photosensitive elements; the collecting mirror is arranged at one side of the murphy drip bulb; the two photosensitive elements are arranged opposite to the other end of the Murphy opposite to the collecting mirror, and are distributed up and down; the dripping speed online monitoring unit comprises a differential amplification circuit, a band-pass filtering circuit, a voltage comparison circuit and a signal transmission circuit which are connected sequentially; and the differential amplification circuit is respectively connected with the two photosensitive elements. Compared with the prior art, the status monitoring device is safe and reliable, and has the advantages of low power consumption, good applicability and the like.

Description

technical field [0001] The invention relates to a state monitoring device. Background technique [0002] At present, intravenous infusion therapy is the most important way in terms of clinical medication. A survey shows that more than 90% of hospitalized patients need to adopt intravenous infusion therapy. In recent years, the medical problems caused by clinical infusion have attracted extensive attention of professionals. [0003] The existing infusion monitoring methods are as follows: [0004] 1. Probe-type monitoring: The infusion monitoring method used in the early days is: inserting the probe into the infusion bottle. Since the liquid medicine is conductive, it will form a current loop with the probe. This current loop is broken when the liquid level drops below the probe tip level. The corresponding alarm mechanism will start and cut off the infusion. This is the probe monitoring method. The problem in the application of this method is the contradiction between ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/172
Inventor 胡岳江秀臣张星沈冬李爱民施会茅晓亮
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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