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Miniaturized low-power consumption breath mechanical parameter test device

A technology for mechanical parameters and testing devices, which can be used in the evaluation of respiratory organs, medical science, diagnostic recording/measurement, etc. Effect

Inactive Publication Date: 2012-04-18
BEIHANG UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] Aiming at the problems of large volume and high power consumption of the currently marketed respiratory mechanical parameter testing device, the present invention proposes a miniaturized low-power respiratory mechanical parameter testing device to meet market demand

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  • Miniaturized low-power consumption breath mechanical parameter test device
  • Miniaturized low-power consumption breath mechanical parameter test device

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Embodiment Construction

[0009] The miniaturized low power consumption respiratory mechanical parameter testing device of the present invention will be further described below in conjunction with the accompanying drawings.

[0010] The miniaturized and low-power respiratory mechanical parameter testing device of the present invention is based on the characteristic that all respiratory mechanical parameters are synthesized based on gas flow and pressure. It is a respiratory mechanical parameter testing device based on gas flow and pressure. The miniaturization of the test system is realized, and the power consumption of the system is also reduced. The specific structure is as figure 1 As shown, it includes a data acquisition unit, data processing and display unit, wherein the data acquisition unit is used to sensitive the basic breathing parameters of the human body, including gas flow and pressure, and convert them into testable electrical signals. The data processing unit is used to amplify, filter ...

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Abstract

The invention provides a miniaturized low-power consumption breath mechanical parameter test device, which comprises a data acquisition unit and a data processing and display unit. In the test device, a combined type air flow-air pressure sensor which integrates an air flow-pressure test is designed according to two basic parameters of air flow and air pressure in breath mechanical parameters, sothat the pressure and the air flow can be measured simultaneously; related signals are acquired in a mode of weak capacitance detection mode, so the volume and power consumption of the device are reduced; and the signals of the breath mechanical parameters are acquired by combining with a signal amplifying circuit, an analog / digital (A / D) digital-to-analogue conversion circuit, a data acquisitioncircuit, a breath mechanical parameter computing unit, a liquid crystal display (LCD) display and the like, so that the acquisition, amplification and calculation of the breath mechanical parameters are realized. By the miniaturized low-power consumption breath mechanical parameter test device, the requirements of low power consumption and small volume are met, the real-time online detection of the breath mechanical parameters also can be realized, and the portable requirement is met.

Description

technical field [0001] The invention relates to a device for testing respiratory mechanical parameters, which belongs to the technical field of physiological parameter index testing in biomedical research. Background technique [0002] Respiration is the general process of gas exchange between the human body and the external environment. Respiratory Mechanics studies the mechanical problems of the respiratory system from the viewpoint and method of engineering. The study of respiratory mechanics is hoped to contribute to the understanding of respiratory physiology, and then to monitor the state of the human body. Respiratory mechanics parameters are important physiological parameters for evaluating lung function, and then evaluating respiratory function and human state. Therefore, the measurement of respiratory mechanical parameters plays an important role in the research and evaluation of lung function. Respiratory mechanics testing is different from pulmonary function t...

Claims

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Application Information

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IPC IPC(8): A61B5/08A61B5/087
Inventor 郭占社樊尚春
Owner BEIHANG UNIV
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