Device for freeze drying and synthetic resin impregnation when necessary of small biological objects for electron microscopic examination
AssigneeC. Reichert Optische Werke, AG
InventorLudwig Edelmann
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Abstract
A tray for holding a biological specimen and a submersible container for freeze-drying the specimen are disclosed. A heating element to melt a synthetic resin for embedding the specimen is also disclosed.
Claims13
A device for freeze drying and synthetic resin impregnation of biological specimens which comprises a Dewar flask for holding a cooling liquid, a sealable container, support means for supporting said container in said Dewar flask below the liquid for cooling said container, valve means for connecting said container to a source of reduced pressure for evacuating said container, a sample tray having at least one recess for receiving a biological specimen, means for supporting said tray within said container spaced from the container interior and heating means for warming said tray.
Dependencies are inferred from the claim text.