A blood glucose sampling device is provided. The blood glucose sampling device includes a sensor cartridge having a plurality of blades oriented in a common direction of rotation about a central point. Each blade includes a test strip having a test region defined radially from the central point at a proximal end and a capillary aligned with a distal end of the test region and extending to an outer edge of the blade. Each blade also includes a cleaning element positioned adjacent to the test strip. A lancet is affixed to a lancet cartridge and aligned with the capillary formed in the test strip. A housing removably encloses the cartridges and includes an outer grip that surrounds a circumference of the housing and is shaped to fit between a thumb and finger. A test passage formed in the outer grip through which the test strip and lancet are positioned.
