Separation type pulse blood oxygen emulation system

Abstract

The invention relates to a separation type pulse blood oxygen emulation system which is composed of a host computer and imitation fingers in separation type connection with the host computer. The system comprises a collecting module, a processing module, a light emitting tube driving module, a key module, a display module and a power supply module, wherein the collecting module is used for collecting correlated data from a blood oxygen device of the tested pulse; the processing module is connected with the collecting module and is used for firstly separating red light and infrared light collected by the collecting module and then processing the red light and infrared light data; the light emitting tube driving module is connected with the processing module and is used for driving a light emitting tube by utilizing the data processed by the processing module; the light emitted by the light emitting tube is used for imitating light information attenuated by fingers; the key module is connected with the processing module and is used for setting different states for testing; the display module is connected with the processing module and is used for displaying emulation information for a user; and the power supply module is connected with the modules and is used for supplying electric power for the modules under the control of the processing module. In the invention, the host computer is in separation type connection with the imitation fingers, thus the user testing is facilitated.

Description

technical field [0001] The invention relates to the technical field of simulation detection, in particular to a separate pulse oximetry simulation system in which a simulated finger is separately connected to a host. Background technique [0002] Initially, the detection of pulse oximeter directly adopts the clinical test method. By letting volunteers inhale a certain proportion of oxygen, nitrogen and carbon dioxide mixed gas, causing a certain degree of hypoxia, or establishing a blood simulation circulatory system, in the blood During the circulation process, the deoxygenated hypoxic blood is fully combined with a certain concentration of oxygen to obtain blood with a certain oxygen saturation. At the same time, the results of blood gas analysis by blood sampling method are used to compare and detect pulse oximeters, but mass production of pulse oximeters Sometimes there are blood sample preparation and source issues. [0003] With the deepening of the application, some ...

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Problems solved by technology

[0002] Initially, the detection of pulse oximeter directly adopts the clinical test method. By letting volunteers inhale a certain proportion of oxygen, nitrogen and carbon dioxide mixed gas, causing a certain degree of hypoxia, or establishing a blood simulation circulatory system, in the blood During the circulation process, the deoxygenated hypoxic blood is fully combined with a certain concentration of oxygen to obtain blood with a certain oxygen saturation. At the same time, the results of blood gas analysis by blood sampling method are used to compare and detect pulse oximeters, but mass production of pulse oximeters blood sample preparation and source issues

[0003] With the deepening of the application, some people use a solution of a certain concentration of red light and infrared light absorbers instead of blood to make a blood oxygen model, and configure absorbing solutions with different concentration ratios for the calibration of blood oxygen saturation in the full range, although This method has a simpler structure and lower cost, but its adjustment performance, repeatability and stability are worse than the aforementioned analog circulation system

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