Patent ID: 8585988

Claim:
A method to turn a cassette ( 30 , 110 ) for biological tissue samples, containing a tissue sample chamber ( 31 , 111 ), which can be closed with a tissue cassette lid ( 32 , 112 ), into a device traceable with RFID technology, comprising the steps of: providing an inlay ( 10 , 15 , 20 , 25 , 50 , 100 ) tagged with an RFID chip, wherein the inlay ( 10 , 15 , 20 , 25 , 50 , 100 ) contains the RFID chip in an inlay part ( 12 , 22 , 52 ) and an antenna in another inlay part ( 11 , 16 , 21 , 26 , 51 ); bonding the inlay ( 10 , 15 , 20 , 25 , 50 , 100 ) to a layer ( 58 ) consisting of one or more compounds able to resist the chemicals used during processing of a biological sample in the tissue sample chamber ( 31 , 111 ), wherein the inlay ( 10 , 15 , 20 , 25 , 50 , 100 ) has a form of one of: a frame around a central opening ( 10 , 30 , 50 , 100 ); a straight frame; an L-shaped frame; and an U-shaped frame; and placing the inlay in the tissue sample chamber of the tissue cassette, wherein the inlay allows a flow of one or more fluids through holes in a bottom and the lid ( 32 , 112 ) of the tissue sample cassette ( 30 , 110 ), and wherein the flow is sufficient for biological tissue processing and for embedding of the tissue sample cassette together with the biological tissue sample in paraffin.