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Continuous arterial blood detection system

A technology of blood detection and fluid circuit system, applied in the field of continuous arterial blood detection system, which can solve the problems of lagging detection results and failure to reflect the continuous real-time change information of the patient's blood physiological state, and achieve the effect of improving accuracy and eliminating interference

Pending Publication Date: 2021-11-02
TIANJIN UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, the current clinical blood gas analysis needs to be taken intermittently and sent to the analyzer or laboratory for testing. This testing method is a single-point testing method. When blood is drawn once and a test card is used, only one type of blood can be obtained at one time point. physiological state information
The test results lag behind and cannot reflect the continuous real-time change information of the patient's blood physiological state

Method used

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Embodiment 1

[0031] Such as Figure 1-6 As shown, the continuous arterial blood detection system includes a sensing module, a microcurrent amplifier, a filter circuit, a pipeline system, a temperature control module and a microcomputer, and the sensing module is composed of a pH sensor, a PO2 sensor and a PCO2 sensor, The pipeline system includes a gas system and a liquid system. The pH sensor, PO2 sensor and PCO2 sensor are respectively connected to a filter circuit through a micro-current amplifier to form a measurement circuit. The filter circuit, temperature control module, and gas system It is connected with the liquid circuit system through the data acquisition card and the labview of the microcomputer respectively. The electrodes in the above temperature control module (model: TCM-X107) are very sensitive to temperature, which ensures the accuracy of the measured values.

[0032] The above continuous arterial blood detection system, the pH sensor, PO2 sensor and PCO2 sensor are sim...

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Abstract

The invention provides a continuous arterial blood detection system which comprises a sensing module, a micro-current amplifier, a filter circuit, a pipeline system, a temperature control module and a microcomputer, the sensing module is composed of a pH sensor, a PO2 sensor and a PCO2 sensor, the pipeline system is composed of a cleaning flow path and a standard flow path, the pH sensor, the PO2 sensor and the PCO2 sensor are connected with a filter circuit line through a micro-current amplifier to form a measuring circuit, and the filter circuit, the temperature control module, the cleaning flow path and the standard flow path are respectively connected with labview of the microcomputer through a data acquisition card; the continuous arterial blood detection system can measure real-time information of various physiological parameters of arterial blood and realize full-automatic continuous analysis of the arterial blood.

Description

technical field [0001] The invention relates to the technical field of blood detection, in particular to a continuous arterial blood detection system. Background technique [0002] Arterial blood gas analysis is necessary for the management and treatment of many critically ill patients, and these results provide doctors with important information about the patient's oxygenation, gas exchange, ventilation and acid-base balance status. Blood gas parameters include blood pH, gas partial pressure and ion concentration indicators, specifically including blood pH, pCO 2 , pO 2 , cNa + , cK + , cCa 2+ and other parameters. [0003] In recent years, more and more attention has been paid to timely detection (POCT), and blood gas analyzers are also developing towards portable, maintenance-free, and easy-to-operate directions. Existing blood gas and electrolyte testing instruments are represented by Abbott's i-STAT series of portable clinical blood analyzers, which adopt a plug-i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/27G01N27/333G01N27/416G01N27/49A61B5/157
CPCG01N27/27G01N27/333G01N27/3335G01N27/4163G01N27/49A61B5/157
Inventor 于海霞张兴国蒲治华
Owner TIANJIN UNIV