IP Library › Granted Patent US 7,179,424
Granted Patent B2
US 7,179,424 · App. 10/963,315 · Granted Feb 20, 2007

Cassette for handling and holding tissue samples during processing, embedding and microtome procedures, and methods therefor

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Quick Facts
Patent No.
US 7,179,424
App. No.
10/963,315
Granted
Feb 20, 2007
Kind
B2
Abstract

A cassette for holding a tissue sample includes a body having a bottom wall and a plurality of side walls extending upwardly with respect to the bottom wall to define an interior space for receiving the tissue sample. A lid is configured to be received in the interior space, and the cassette is sectionable in a microtome. Sensing elements are associated with the body or lid and configured to allow an automated sensing system to determine at least one characteristic of the cassette. A flange extends along upper portions of at least two of the side walls and includes a plurality of holes. Other features are included to more effectively and efficiently manufacture and use the cassette.

Claims (16)

1. A cassette for holding and orienting a tissue sample, comprising:

a body including a bottom wall having an upper surface, and at least one side wall extending upwardly with respect to said bottom wall to define an interior space for receiving the tissue sample,

a plurality of posts extending upwardly from said bottom wall, said posts configured to orient the tissue sample therebetween; and

a lid receivable in said interior space and having holes for removably receiving said posts.

2. The cassette of claim 1 , wherein said body has a flange defining a lengthwise dimension and said posts are further arranged so as not to be aligned with one another in a straight line either perpendicular or parallel to said lengthwise dimension.

3. A cassette for holding and orienting a tissue sample, comprising:

a body formed from a material capable of being sectioned in a microtome, said body including a bottom wall having an upper surface, and at least one side wall extending upwardly with respect to said bottom wall to define an interior space for receiving the tissue sample,

a plurality of posts formed from a material capable of being sectioned in a microtome and extending upwardly from said bottom wall, said posts configured to orient the tissue sample therebetween; and

a lid receivable in said interior space.

4. A cassette for holding a tissue sample, comprising:

a body including a bottom wall having an upper surface and at least one side wall extending upwardly with respect to said bottom wall to define an interior space for receiving the tissue sample, said body configured to be removably coupled to a frame;

a lid receivable in said interior space;

a stop member in said interior space configured to prevent said lid from further downward movement at a minimum distance from the upper surface of said bottom wall;

a plurality of query points associated with said body and configured to allow an automated sensing system to determine at least one characteristic of the cassette; and

a flange extending along an upper portion of said side wall, said flange including said query points;

wherein at least two of said query points are holes.