A reagent test strip for measuring an analyte concentration in a biological fluid has a spreading mesh sandwiched between a support and a reagent matrix. The support has a through hole that is covered by the mesh. In use, a sample of the fluid is applied through the hole in the support to the spreading...http://www.google.fr/patents/US6555061?utm_source=gb-gplus-shareBrevet US6555061 - Multi-layer reagent test strip
