Study on design of a human vital signs simulator

Yaohong Wang; Xin Chen; Hailong Song; Tingting Ren; Zhonghao Wang

doi:10.1117/12.3015456

15 March 2024 Study on design of a human vital signs simulator

Yaohong Wang, Xin Chen, Hailong Song, Tingting Ren, Zhonghao Wang

Proceedings Volume 13079, Third International Conference on Testing Technology and Automation Engineering (TTAE 2023); 1307911 (2024) https://doi.org/10.1117/12.3015456
Event: 3rd International Conference of Testing Technology and Automation Engineering (TTAE 2023), 2023, Xi-an, China

Abstract

This article presents a novel design of integrated human vital signs simulator, whose function includes the simulation of blood oxygen, blood pressure and ECG. According to the light transmission model basing on the optical properties of biological tissues, the pulse oximetry simulation module is designed, including its overall structure, a analog finger, a light source driving circuit, etc. The non-invasive blood pressure simulation module is designed basing on oscillographic method, and a piston rod type variable air chamber pulse waveform generation mechanism is included, using PWM constant current control and ultra small subdivision technology to control the linear motor to achieve stable and accurate displacement, and the pulse wave is simulated according to the blood pressure envelope. ECG verification waveform is generated by STM32F407 chip basing on ARM. The experimental verification results show that the designed simulator can meet the requirements of JJF 1470-2014 Calibration Specification for Multiparameter Physiological Simulators, and can complete the measurements efficiently and accurately.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yaohong Wang, Xin Chen, Hailong Song, Tingting Ren, and Zhonghao Wang "Study on design of a human vital signs simulator", Proc. SPIE 13079, Third International Conference on Testing Technology and Automation Engineering (TTAE 2023), 1307911 (15 March 2024); https://doi.org/10.1117/12.3015456

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KEYWORDS

Blood pressure

Vital signs

Blood

Oxygen

Calibration

Pulse signals

Device simulation

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