Patent ID: 6620626
Filing Date: 2003-09-16
Classification: G01N,Y10S

Abstract:
A monitoring device for detecting the presence of a substance in a fluid, wherein the substance is characterized by the presence of at least one substance-specific antigen which selectively binds lo an antigen-specific antibody, comprising:1. a casing enclosing an interior volume wherein a portion of said casing has a plurality of apertures therein, enabling the fluid and the substance to pass therethrough; 2. a test strip having a collector portion and a control portion disposed within said interior volume; 3. a plurality of beads, each bead having a diameter that prevents the bead from passing through said apertures of said casing, and a surface with antigen-specific antibodies affixed thereto, said plurality of heads being movably disposed within said interior volume; and 4. antigen-specific antibodies affixed to said collector portion of said test strip.