Pressure Dynamic Characteristics of Pressure Controlled Ventilation System of a Lung Simulator

Author:

Shi Yan123,Ren Shuai1,Cai Maolin1,Xu Weiqing1,Deng Qiyou3

Affiliation:

1. School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China

2. The State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310058, China

3. Department of Mechanical Engineering, University of Bath, Bath BA2 7AY, UK

Abstract

Mechanical ventilation is an important life support treatment of critically ill patients, and air pressure dynamics of human lung affect ventilation treatment effects. In this paper, in order to obtain the influences of seven key parameters of mechanical ventilation system on the pressure dynamics of human lung, firstly, mechanical ventilation system was considered as a pure pneumatic system, and then its mathematical model was set up. Furthermore, to verify the mathematical model, a prototype mechanical ventilation system of a lung simulator was proposed for experimental study. Last, simulation and experimental studies on the air flow dynamic of the mechanical ventilation system were done, and then the pressure dynamic characteristics of the mechanical system were obtained. The study can be referred to in the pulmonary diagnostics, treatment, and design of various medical devices or diagnostic systems.

Funder

Open Foundation of the State Key Laboratory of Fluid Power Transmission and Control

Publisher

Hindawi Limited

Subject

Applied Mathematics,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,Modeling and Simulation,General Medicine

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