Method and apparatus for batch fixating tissue specimens

Details Method and apparatus for batch fixating tissue specimens Method and apparatus for batch fixating tissue specimens

1990-06-12

1991-11-26

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using microwave energy

422 36, 422 40, 435 1, 219 1055M, 219 1055R, A61L 200, A01N 100, H05B 664

Patent

active

050680862

ABSTRACT:
Method and apparatus for chemically fixating a plurality of tissue specimens in a multimode microwave oven. The tissue specimens are loaded in respective cassettes and then placed in radial alignment in a circular container that is filled with a fixation solution. Selective microwave shields such as metal disks with central apertures are located above and below the container which is then rotated on a turntable while being exposed to microwave energy in the microwave oven cavity. The shields are selected to provide a substantially uniform microwave field within the region occupied by the cassettes so that all of the tissue specimens are consistently and uniformly fixated.

REFERENCES:
patent: 3601249 (1971-08-01), Larsson
patent: 4330696 (1982-05-01), Pomeroy et al.
patent: 4681996 (1987-07-01), Collins et al.
patent: 4839194 (1989-06-01), Malluche et al.
patent: 4891239 (1990-01-01), Dudley et al.
patent: 4994237 (1991-02-01), Login et al.
Fisher Scientific, 1988, p. 1428.

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