| 摘要 |
A head-coupled holder for living body optical measurement that securely brings a light irradiation module and a light detection module in close contact with a scalp, and gives the person to be examined no excessive pressure feeling. Each of the light irradiation module and the light detection module includes a contactor having a contact portion that comes in contact with a scalp of the person to be examined at a leading end thereof, and exposes a leading end of a light guide to the contact portion to form the light guide, and a package having a lower portion to which the contactor is attached. The contactor is fixed to the lower portion of the package through an elastic body, and the package is fixed to an inner upper wall of the insertion hole with a series structure of the elastic body and the viscoelastic body.
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