Patent ID: 7837939

Claim:
A test device for detecting an analyte suspected of being present in a fluid sample, comprising: a casing, comprising a port for a sample collection well; a sample collection well situated in the port, the sample well comprising an expression plate and a plunger, the plunger having a raised position and a lower position, the sample collection well further comprising a lower chamber when the plunger is in the raised position; an upper chamber for storage of a confirmation sample; a test compartment containing at least one test element; a sample outlet sealed by a frangible material and providing liquid communication between the sample collection well and the test compartment when the sample outlet is open; a lance for piercing the frangible material; and a cap for the sample collection well, wherein a portion of the cap interacts with the plunger to move the plunger from the raised position to the lower position when the cap is applied to the sample collection well.