Patent ID: 8690788

Claim:
A living body information measuring apparatus having a fluid bag to compress a living body and a sensor to detect a change in multiple arteries present in a tissue of the living body compressed by the fluid bag for measuring living body information of the living body, the apparatus adapted for engaging a circumference of a portion of the living body and comprising: the fluid bag comprising: a compression fluid bag configured to contact the living body to measure the living body information from the arteries, wherein the compression fluid bag is configured to expand and contract when supplied with a fluid; and at least two independent auxiliary fluid bags which are connected to the compression fluid bag via opening portions, and which are expanded and contracted when supplied with the fluid, wherein the compression fluid bag is configured to engage a circumference of a wrist wherein the at least two auxiliary fluid bags are located on a side of the compression fluid bag opposite the wrist, the auxiliary fluid bags are respectively divided from each other, and when the living body information measuring apparatus is configured to engage a circumference of a wrist, the compression fluid bag is configured to compress tendons positioned at a central portion of the wrist and arteries positioned on both sides of the tendons, and the auxiliary fluid bags are configured to compress the arteries positioned on the both sides of the tendons, respectively.