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A lung function instrument and a method capable of measuring the flow and the content of respiratory gases synchronously

A breathing gas, synchronous measurement technology, applied in the direction of measuring flow/mass flow, measuring devices, liquid/fluid solids measurement, etc.

Inactive Publication Date: 2018-07-10
SYSMED CHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] At present, no individual, institution or company has a technology or product that can meet the above requirements at the same time

Method used

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  • A lung function instrument and a method capable of measuring the flow and the content of respiratory gases synchronously
  • A lung function instrument and a method capable of measuring the flow and the content of respiratory gases synchronously
  • A lung function instrument and a method capable of measuring the flow and the content of respiratory gases synchronously

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Embodiment Construction

[0087] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0088] Such as figure 1 As shown, a lung function instrument for synchronously measuring the flow and content of respiratory gas, the system includes: a dual-function sensor unit, an internal signal transmission unit, a data processing unit and a software unit, a data storage unit, a user interface unit, a printing unit, an external signal Transmission unit, power supply unit.

[0089] Dual function sensor unit for measuring downstream travel time T f , Countercurrent propagation time T b , collecting real-time infrared radiation intensity signals; the internal signal transmission unit is used to forward the signals and data output by the dual-function sensor unit; the data processing unit and software unit are used to use the received downstream propagation time T f and countercurrent travel time T b Calculate the volume of breathing gas,...

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Abstract

The invention provides a lung function instrument and a method capable of measuring the flow and the content of respiratory gases synchronously. The device comprises a double function sensor unit, aninternal signal transmission unit, a data processing unit and software unit, a data storage unit, a user interface unit, a printing unit, an external signal transmission unit and a power unit. The method comprises the steps of measuring a forward flow propagation time Tf and a reverse flow propagation time Tb and collecting real-time infrared radiation intensity signals by using the double function sensor unit, calculating the flow and the content C of the real-time carbon dioxide of respiratory gases by using the data processing unit and software unit, and displaying the same on a user interface in real time graphically and outputting a test report. The method measures the ventilation function and the gas exchange function of lung functions synchronously in the same integrated sensor, sothat the diagnosis efficiency is greatly increased and the application of wireless data transmission in telemedicine is realized.

Description

technical field [0001] The invention relates to the field of respiratory gas flow and component measurement, in particular to a lung function instrument and method for synchronously measuring the flow and content of respiratory gas. Background technique [0002] Pulmonary function tests include ventilation function, ventilation function, respiratory regulation function and pulmonary circulation function. Respiratory flow measurement is widely used in the field of lung function testing. Basic pulmonary function test is a physical examination method. Some basic pulmonary function parameters such as volume indicators, ventilation indicators, airway resistance and other ventilation function indicators can be obtained through simple respiratory flow measurement. Can screen common chronic lung diseases such as: emphysema, asthma, chronic obstructive pulmonary disease. This measurement only checks the ventilatory function. [0003] Most of the flow measurement of spirometers are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/66G01N21/3504
CPCG01F1/66G01N21/3504
Inventor 黄勇张玉谦傅佳萍边宏亮龙峰舒文秀马绍嘉简越
Owner SYSMED CHINA CO LTD
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