Apparatus and method for freezing specimens
AssigneeVanessa Research, Inc.
InventorsDmitry V. KRAVTSOV, Norman GRAY
Life of this patent
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Abstract
The present invention relates to an apparatus for freezing samples such as tissue specimens, particularly for rapidly freezing multiple specimens without the need to sequentially prepare and freeze each sample individually. The apparatus comprises a mold which can accommodate one or more tissue samples, a hands-free means for supporting the mold, an insulated container for holding a cryogenic material or refrigerant, and an optional cover for the insulated container. The invention also relates to methods for freezing the tissue specimens.
Claims97
An apparatus for forming and freezing tissue specimens, comprising:
- (a) one or more molds which can accommodate one or more tissue specimens,
- (b) a hands-free means for supporting the molds in either direct or indirect contact with a cryogenic medium, and
- (c) an insulated container for containing the cryogenic medium.
An apparatus for forming, freezing, and storing tissue specimens, comprising:
- (a) a cassette further comprising
- (i) a platform;
- (ii) one or more molds which have been formed into the platform and which can accommodate one or more tissue samples, and
- (ii) a detachable, cover for covering the molds,
- (b) a hands-free means for supporting the cassette in either direct or indirect contact with a cryogenic medium, and
- (c) an insulated container for containing the cryogenic medium.
An apparatus for forming and freezing tissue specimens, comprising:
- (a) one or more molds which can accommodate one or more tissue specimens,
- (b) a platform comprising one or more heat-conducting indentations for containing the one or more molds, and
- (c) an insulated container,
- wherein the apparatus can be precooled to a desired target temperature before use.
Dependencies are inferred from the claim text.