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首页> 外文会议>1999 International Conference on Biomedical Optics >Analysis of the sensitivity of reflectance near-infrared tissue oximeter using the methods of simulation and experiment
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Analysis of the sensitivity of reflectance near-infrared tissue oximeter using the methods of simulation and experiment

机译：用模拟和实验方法分析反射型近红外组织血氧仪的灵敏度

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Abstract: Its very important to improve the sensitivity of the near- infrared tissue oximeter during practical non-invasive measurement on human muscle. It has been thought that this sensitivity is influenced by the existence of overlying tissues such as skin and fat because only those photons which have passed through the muscle bring back useful information. In this paper, the influences of fat layer, detecting distance, wavelength, and the oxygenation in muscle on photon partial path length in muscle layer are discussed based on Monte-Carlo simulation results. Also examined are the statistical error in simulation and the noise in detector. Finally, the experimental results of the cuff occlusion on forearm are given. The results show the relationship between the sensitivity of the tissue oximeter and the detecting distance, which has the same tendency as the simulation predicted.!4
机译：摘要：在对人体肌肉进行无创测量时，提高近红外组织血氧仪的灵敏度非常重要。已经认为，这种敏感性受诸如皮肤和脂肪之类的上覆组织的存在的影响，因为只有那些穿过肌肉的光子才能带回有用的信息。本文基于Monte-Carlo仿真结果，讨论了脂肪层，检测距离，波长和氧合对肌肉层光子部分路径长度的影响。还检查了仿真中的统计误差和检测器中的噪声。最后，给出了前臂套囊封堵的实验结果。结果表明组织血氧仪的灵敏度与检测距离之间的关系，与模拟预测的趋势相同！！ 4

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