US Patent 7326560 Tissue micro-array builder manual test

The tissue micro-array (TMA) building manual set, which includes a well-known SZK tissue core punch extractor and a TMA block mould (1) characterized as follows: the TMA block mould (1) consists of a lower (2) and an upper (3) part, the lower part (2) is equipped with mandrels (4) at right angles to the base unit arranged in the middle into lines and columns, the upper part (3) has a margin-containing (7) cleavage (6), which receives the mandrels (4) when the TMA block mould (1) is assembled, the margin (7) and size of the cleavage (6) fit to the shape and size of the paraffin block holder (PBK), and the lower (2) and upper (3) parts are connected to each other with directing nipples (5) and threaded arms (9) fixed horizontally.