Patent ID: 7300629

Claim:
A blood testing unit, comprising: a closed vessel, which is provided with an aperture, through which air is capable of being introduced from an exterior to an interior of the closed vessel, and the closed vessel being provided with a sealing member for closing the aperture for introducing air, and a blood testing reagent located in the closed vessel, wherein the closed vessel comprises an outer vessel body, which has a bottom wall, and an inner vessel body, which has a bottom wall, and the outer vessel body and the inner vessel body are combined with each other, such that the outer vessel body and the inner vessel body are capable of sliding with respect to each other, while a space defined by the outer vessel body and the inner vessel body is being kept in an approximately hermetically sealed state, the outer vessel body and the inner vessel body thus defining an enclosed space at the interior in a manner such that a pressure in the enclosed space is capable of being reduced.