BANDE A TESTER POUR LA DETECTION DES SUBSTANCES PRESENTES DANS LE LIQUIDE DU CORP HUMAIN

摘要

1349623 Test strip BOEHRINGER MANNHEIM GmbH 2 March 1972 [16 April 1971] 9796/72 Heading B1X A test strip comprises a holder 2 to which is attached at least one reagent carrier member 4 containing reagents and having opposed surfaces, one surface of the or each carrier member being adjacent to the holder and the other surface being provided with a covering consisting of a light-permeable meshwork of fine filaments, 1. The meshwork may consist of regularly woven filaments in the form of fabric or can be of unwoven fabric or felt or fleece-like mesh of non-uniform fibre structure, and may have fibre diameter 5 to 200 microns, free surface (% total surface area as holes) 30 to 80%. The holder 2 may be of synthetic resin, hydrophobed wood, paper or cardboard, metal foil, glass and may be opaque and optionally coloured. The holder may be covered by adhesive 3 or adhesive may be applied only in areas near layer 4 (Fig. 3, not shown). As shown in Fig. 5, the upper part of holder 2 may carry a covering foil 5 provided with instructions or comparative colours, and an absorbent material 9 not containing reagents may be placed beneath layer 4. The meshwork itself may be impregnated with reagents.