Cartridge assembly for blood analysis and blood analysis device including the same

A blood analysis device comprising:

• a blood analysis device main body comprising a frame in which an accommodation space is formed;
• and
• a cartridge assembly which is inserted into the accommodation space and comprises a main cartridge comprising a main case, a plurality of reagent solution bags disposed inside the main case, and a specimen supply part disposed inside the main case, a sub-cartridge which is detachably inserted into a sub-cartridge accommodation groove formed on one surface of the main cartridge and comprises a plurality of quality control solution bags disposed therein, and a sensor card detachably coupled to the main cartridge,
• wherein the cartridge assembly is inserted into the blood analysis device main body so that one surface of the main case faces the accommodation space of the frame, and
• the main cartridge further comprises an opening/closing door which is elastically and rotatably coupled to another surface of the main case facing the one surface of the main case and is opened and closed by the specimen supply part.