Patent ID: 8906305

Claim:
An instrument configured to determine a concentration of at least one analyte in a fluid sample using a test sensor, the instrument comprising: a body portion having a display configured to display information to a user and a user-interface mechanism configured to allow a user to interact with the instrument; a first compartment positioned at a first end of the body portion, the first compartment including a first test-sensor cartridge, the first test-sensor cartridge including a plurality of test sensors, the first test-sensor cartridge being removable from the first compartment; a second compartment positioned at a second, opposing end of the body portion such that the first and second compartments are separated from one another by a mechanism at least partially within the body portion, the second compartment including a plurality of stacked test-sensor cartridges, each of the plurality of stacked test-sensor cartridges including a plurality of test sensors, each of the plurality of stacked test-sensor cartridges being detached from and not in contact with the first test-sensor cartridge, each of the plurality of stacked test-sensor cartridges being removable from the second compartment; and an opening formed at the first end of the body portion, the opening being configured to receive a test sensor from the first test-sensor cartridge.