中文摘要：

针对现有动脉硬化检测仪价格昂贵和体积大的缺点，设计了一种基于ARM和WinCE的便携式动脉硬化无创检测仪，并对该仪器进行了临床评估实验。该仪器以嵌入式系统为硬件平台，通过信号测量电路获取桡动脉和肱动脉脉搏波信号，并将信号送入ARM处理器。根据动脉弹性腔理论和示波法原理，基于LabVIEW for WinCE设计系统软件以实现脉搏波信号分析，并计算出11项动脉硬化评判因子，然后根据这些因子自动评判受试者的动脉硬化程度。临床评估实验结果表明：该仪器能准确评价受试者的动脉硬化程度，具有较好的稳定性和可靠性，其稳定性最大相对标准误差为4．37％，与对照仪器测量结果的相关系数均高于0．85（P〈0．001）。

英文摘要：

The existing detecting instruments for arteriosclerosis are usually expensive and bulky. To overcome their disadvantages, a novel portable noninvasive detecting instrument for arteriosclerosis based on advanced RISC machines （ARM） and WinCE is developed and its clinical assessment experiment is carried out. Its hardware platform is an embedded system. The pulse wave signals of radial artery and brachial artery are acquired by signal measurement circuit and transmitted to ARM processor. On the basis of arterial Windkessel model and oscillometric theory, pulse wave signals analysis is performed by customdesigned software based on LabVIEW for WinCE platform, and 11 arterial stiffness assess factors are calculated. Subject＇s degree of arteriosclerosis is evaluated automatically by this instrument according to these factors. The results of clinical experiment show that the instrument can accurately evaluate degree of arteriosclerosis and keep good stability and reliability. The maximum relative error of stability is 4.37%, and the correlation coefficient with the consulted instrument is higher than 0.85 （P〈0. 001）.