Patent ID: 8414504

Claim:
A blood test apparatus comprising: an apparatus body; a blood sensor that analyzes blood, the blood sensor having a storage that stores blood flowing from punctured skin and comprises an opening; a holder that holds the blood sensor, the holder having an aperture; a puncturer that punctures skin; a negative pressure section that is provided inside the apparatus body and that creates a negative pressure in a negative pressure chamber near the blood sensor; and an electrical circuit that is connected to the blood sensor, wherein: the blood sensor forms a blood sensor unit in an integrated manner with the holder such that the opening of the storage communicates with the aperture before puncture of the skin, and the blood sensor unit is configured to be attached to and removed from the apparatus body; an area of an opening of the aperture is larger than an area of the opening of the storage before puncture of the skin; the puncturer comprises a laser emitting apparatus and a lens, laser light emitted from the laser emitting apparatus is focused by the lens and is irradiated to the skin through the storage of the blood sensor of the blood sensor unit; and the negative pressure section is configured to suck the skin in contact with the holder and to lift the skin to contact the opening of the storage of the blood sensor where the skin is positioned to be punctured, and the laser light emitted from the laser emitting apparatus is focused near the blood sensor to puncture the skin lifted to contact the opening of the storage of the blood sensor.