PROBLEM TO BE SOLVED: To provide a photoelectric pulse wave analysis method and a photoelectric pulse wave analysis device for a peripheral arterial vessel, capable of analyzing a photoelectric pulse wave of a peripheral arterial vessel by a simple and easy method without imposing a load on a subject, and obtaining analysis information effective in decision of the presence/absence of obstruction of the peripheral arterial vessel, a degree of the obstruction and an obstructed region.SOLUTION: A photoelectric pulse wave analysis method and a photoelectric pulse wave analysis device for a peripheral arterial vessel has: a measurement step S1 of irradiating the surface of a lower limb body 10 of a subject with light of a prescribed wavelength, and measuring a reflection light amount or a transmission light amount of the light a photoelectric pulse wave detection step S2 of detecting a waveform of a photoelectric pulse wave from a change of the reflection light amount or the transmission light amount and a comparison step S3 of comparing the waveform with a reference waveform. The reference waveform is classified based on the presence/absence of obstruction of the peripheral arterial vessel or a degree of the obstruction.COPYRIGHT: (C)2014,JPO&INPIT【課題】被験者に負担を与えることなく且つ簡便な方法によって、末梢動脈血管の光電脈波の解析を行うことができ、末梢動脈血管の閉塞の有無、閉塞の程度及び閉塞部位の判定に有効な解析情報を得ることができる末梢動脈血管の光電脈波解析方法および光電脈波解析装置を提供する。【解決手段】末梢動脈血管の光電脈波解析方法および光電脈波解析装置は、被験者の下肢体10の表面に所定波長の光を照射し、この光の反射光量又は透過光量を測定する測定ステップS1と、反射光量又は透過光量の変化から光電脈波の波形を検出する光電脈波形検出ステップS2と、この波形を基準波形と比較する比較ステップS3と、を有し、基準波形は、末梢動脈血管の閉塞の有無又は閉塞の程度に基づいて分類されている。【選択図】図1
