Patent ID: 8437828

Claim:
A blood test apparatus comprising: a housing that comprises an open cylindrical body having a cylindrical shape; a sensor unit that includes a blood sensor which analyzes blood and that is detachably attached to the open cylindrical body; a filter unit that includes a filter which protects an interior of the housing and that is detachably attached to the open cylindrical body; and an ejector that is slidably attached to the open cylindrical body, that moves the sensor unit toward an open side of the open cylindrical body to first push out and eject the sensor unit from the open cylindrical body of the housing and that then moves the filter unit toward the open side of the open cylindrical body to push out and eject the filter unit from the open cylindrical body of the housing, wherein the sensor unit comprises a first holder that holds the blood sensor, and the filter unit comprises a second holder that holds the filter, and wherein the ejector comprises more than one ejector including a first ejector for ejecting the sensor unit and a second ejector for eject the filter unit, the first ejector is configured to abut the first holder to push out the sensor unit, and the second ejector is configured to abut the second holder to push out the filter unit.