US Patent 9897610 Calibration material delivery devices and methods

A device includes: a first portion configured to be grasped by the hand of the user, and a second portion defining a reservoir containing a control material, wherein the control material contains a target analyte in a known or predetermined concentration. Methods for verifying the accuracy of an analyte monitoring device include receiving control information from a test cartridge, transporting control material to an analysis site, determining the presence of the control material, analyzing the control material, and providing a pass or fail signal.