US Patent 8030088 Sample collection apparatus

A sample collection apparatus which measures biological samples and can be used to provide the early detection of respiratory diseases, for example tuberculosis induced by the pathogen mycobacterium tuberculosis. The sample collection apparatus has a sample collection unit and a corresponding complementary reader unit. The collection unit collects a sample exhaled from the user through a collection vessel with an optical interrogation region. The sample is spread on the inside of the vessel over the interrogation region and subsequently analyzed. The test results are displayed via the reader unit.