Patent ID: 7673545

Claim:
A tissue slicing device, comprising: a rotary shaft; a plurality of parallel circular blades coaxially connected to the rotary shaft and axially separated from each other by respective gaps; a guide member positioned adjacent the blades and parallel to the shaft for receiving a tissue sample, the guide member extending past the blades such that the tissue sample is moved along the guide member during cutting; wherein when the tissue sample is positioned on the guide member and the blades are rotated to drive the tissue sample along the guide member, the tissue sample is simultaneously cut by the blades into a plurality of slices, and further including supporting walls supporting the shaft, a hinge having a pivot axis that extends substantially parallel to the rotary shaft, the hinge supporting the guide member relative to the walls for pivoting of the guide member about the pivot axis, an adjustment screw supported by a mounting member which is fixed relative to the walls, and a spring biasing the guide member against an inner end of the adjustment screw, wherein a distance between the guide member and the blades is adjustable by turning the screw.