. . "In FIG. 6 an exploded view of the device according to the invention for lateral flow tests illustrated in FIG. 5 is shown including the components support layer 1, porous membrane 2, absorption pad 3 and sealing element 4 in three-dimensional trough form which separates the application zone 5 from the remainder of the membrane which in turn consists of the indicator zone region 6, of the indicator" . .