Patent ID: 7192555

Claim:
A device for assay of oral fluid, comprising: an assay portion housing a lateral flow assay strip, the assay strip containing at least one reagent that is used to detect one of the presence and absence of at least one analyte in a fluid; and a neck portion extending from the assay portion, the neck portion forming a channel for delivery of fluid to the assay strip, the channel being defined by a first, narrow part proximal to the assay portion and a second part including an opening for receiving the oral fluid, wherein the second part includes a channel width that is substantially wider than the channel width at the narrow end; a collection strip in fluid communication with the lateral assay strip, the collection strip having a first portion disposed within the channel and a second portion protruding outwardly from the neck portion opening; and a blocking strip coupled between and in flow communication with the lateral flow assay strip and the collection strip.