足底压力分布监测系统设计与初步临床应用  

The Design of Plantar Pressure Distribution Monitoring System and Preliminary Clinical Application

作　　者：朱险峰[1] 赵自雷 许东浩[2] 徐东明[3] 

机构地区：[1]天津大学精密仪器与光电子工程学院,天津300072 [2]天津市第一中心医院骨科,天津300192 [3]天津市第一中心医院康复科,天津300192

出　　处：《生物医学工程学杂志》2014年第2期439-444,共6页Journal of Biomedical Engineering

摘　　要：足底各点压力分布情况可以反映人静止站立和行走时足底各关键支撑点所受力的大小,全面了解足底压力分布及其变化对了解足的生物力学、临床医学诊断、疾病程度测定、术后疗效客观化评价、康复研究等方面均有重要意义。本文设计并制作了一种简单易用的足底压力测量装置,采用FlexiForce柔性压力传感器测取足底不同部位的压力信号,USB A/D采集板采集数据并将数据传入电脑,电脑上基于VB编写的上位机软件可以记录、存取和回放压力数据。本文利用上述装置测取了正常人及拇外翻患者术前和术后足底压力分布,并对测量结果进行了对照分析,发现患有拇外翻的患者相对于正常人第二跖趾关节压力很大并且整体受力外移,而拇外翻患者术后足底压力与术前相比有很大改善,印证了装置的作用。Plantar pressure distribution can reflect the force of several key points on foot while standing and walking. A comprehensive understanding of the plantar pressure distribution makes great sense in the following aspects： the understanding of the normal foot biomechanics and function, clinical diagnosis, measurement of disease extent, post- operative efficacy evaluation, and rehabilitation research. A simple plantar pressure measurement device was de- signed in this study. This paper uses FlexiForce flexible sensor to pickup plantar pressure signal and USB A/D board to do data acquisition. The data are transferred into a laptop and processed by a VB-based software which can dis- play, remember and replay the data. We chose patients with hallux valgus and normal people to measure the pressure distribution and make contrast analysis of plantar pressure with this device. It can be concluded that people with hal- lux valgus have higher pressure on the second metatarsophalangeal joint and the distribution move outward. The plantar pressure of patients postoperative could be greatly improved compared to the preoperative. The function of this device has been confirmed.

关 键 词：足底压力 拇外翻 跖趾关节 FlexiForce传感器 

分 类 号：R318.6[医药卫生—生物医学工程]