Patent ID: 8230769

Claim:
A device for preparing tissue discs, having a clamping device for securing a tissue block by clamping and having at least one cutting device for treating the tissue block held in the clamping device, said clamping device comprising one rigid clamping jaw mounted on a base body and one rotatable clamping jaw that can rotate with respect to the rigid clamping jaw, wherein the rigid clamping jaw is configured as a double-walled plate and the rotatable jaw member being positioned in an intermediate space formed by the double-walled plate, and wherein the cutting device includes a swivel arm that is mounted on the plate of the rigid clamping jaw so as to be displaceable with respect to the clamping device and said cutting device being equipped with at least one cutting edge and wherein the swivel arm, at least in the area of the at least one cutting edge, comprises two arm parts running parallel to one another, each equipped with a cutting edge, which arm parts are mounted on the plate of the rigid clamping jaw in such a way that the plate is positioned between the two arm parts and between the cutting edges of the two arm parts.