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Abstract

An apparatus for measuring a superior-and-inferior-limb blood-pressure index of a living subject, including an inferior-limb-blood-pressure measuring device which includes an inferior-limb cuff adapted to be wound around an inferior limb of the subject and which measures an inferior-limb blood pressure of the inferior limb, a superior-limb-blood-pressure measuring device which includes a superior-limb cuff adapted to be wound around a superior limb of the subject and which measures a superior-limb blood pressure of the superior limb, a blood-pressure-index determining device for determining the superior-and-inferior-limb blood-pressure index, based on the inferior-limb blood pressure measured by the inferior-limb-blood-pressure measuring device and the superior-limb blood pressure measured by the superior-limb-blood-pressure measuring device, an inferior-limb-pulse-wave detecting device which is adapted to be worn on an inferior limb of the subject and which detects an inferior-limb pulse wave from the inferior limb, and a stenosis-relating-pulse-wave-information obtaining device which obtains, based on the inferior-limb pulse wave detected by the inferior-limb-pulse-wave detecting device, stenosis-relating pulse-wave information which changes in relation with a degree of stenosis of an artery of the inferior limb.

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