生物医学工程
导管
医学
材料科学
医学物理学
放射科
作者
Bo Wang,Senran Jiang,Yao Cui,Zhonghua Li,Fuji Wang,Бо Лю,Xing Yang
出处
期刊:Applied sciences
[Multidisciplinary Digital Publishing Institute]
日期:2024-09-26
卷期号:14 (19): 8682-8682
摘要
This paper proposes a high-precision interventional pressure measurement catheter with a compact structure for in vivo pressure monitoring. This catheter uses a minimally invasive testing method, and the proposed compact structure reduces pressure loss caused by fluid movement inside the catheter, ensuring accuracy in dynamically varying pressure measurements. The paper conducts a theoretical analysis of the pressure transmission process inside the catheter, fabricates a prototype, and establishes both dynamic and static pressure testing systems. Through experimental research on the effects of the catheter’s dimensions on the accuracy of dynamically varying pressure measurements, it demonstrates that the compact pressure measurement catheter can effectively enhance the precision of dynamically varying pressure measurements. The catheter offers high precision, small size, and simple manufacturing processes. It holds promising applications in fields such as in-body pressure measurement and microfluidic system monitoring.
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