Patent ID: 7964161

Claim:
A device for removable storage of small amounts of liquid, comprising: a microstructured carrier; a first cavity provided in said microstructured carrier for the storage of a small amount of liquid; a cover element provided on one side of said first cavity; a blocking element provided on a second side of said first cavity; wherein said first cavity is enclosed by said cover element, said blocking element and first and second sides formed by said microstructured carrier, wherein said first side of said microstructured carrier is integral with said blocking element and said second side comprises a projection for securing said blocking element; wherein sufficient force is applied directly by said cover element and then transferred to said blocking element, destroying the connection between said blocking element and said microstructured carrier or, said blocking element itself is destroyed so that the small amounts of liquid can be removed from said first cavity, said cover element constructed from a material to remain unpunctured when said sufficient force is applied directly to said cover element to destroy the connection between said blocking element and said microstructured carrier, or said blocking element itself is destroyed, wherein said projection secures said blocking element in a deflected position when said sufficient force is applied to said cover element.