Patent ID: 8825126

Claim:
A probe comprising: a light emitting section configured to emit light toward living tissue; a light receiving section configured to receive the light that is emitted from the light emitting section and that is transmitted through the living tissue; an attachment band having ends in a width direction, in which the light emitting section and the light receiving section are provided, the attachment band which includes a first surface which faces the living tissue when the attachment band is attached to the living tissue, and a second surface which is opposite to the first surface, a part of the first surface in which one of a hook portion and a loop portion of a surface fastener is provided, a part of the second surface in which the other of the hook portion and the loop portion of the surface fastener is provided, the attachment band which is to be wrapped around the living tissue to engage the hook portion and the loop portion of the surface fastener with each other, thereby being attached to the living tissue; and a compressible member having ends in a width direction and which is attached to the first surface of the attachment band, the compressible member which is in contact with the living tissue when the attachment band is attached to the living tissue, wherein the compressible member is larger in width than the attachment band and ends of which extend beyond ends of the attachment band, and the ends of the attachment band are not exposed to a lateral side of the compressible member in a portion where the compressible member is attached to the first surface of the attachment band.