Apparatus for automatic tissue staining for immunohistochemistry

Details Apparatus for automatic tissue staining for immunohistochemistry Apparatus for automatic tissue staining for immunohistochemistry

1993-11-15

1995-06-20

Snay, Jeffrey R.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

422100, 435288, 239472, G01N 131

Patent

active

054259185

ABSTRACT:
Apparatus (10) for the automatic staining of tissue includes a body (12) on which a carousel (16) rotates. The carousel (16) is able to carry a number of slides (24) bearing tissue samples. A delivery head assembly (18) is mounted on the body (12) for movement across the diameter of the carousel (16). The head assembly contains a clear nozzle (20) and a spray nozzle (22). A version (50) of the spray nozzle (22) for spraying a fluid biochemical agent onto a slide (24) has a main body (52) a plug (56) in the main body (52) and a cap (54) on the main body (52) between which there is a swirl chamber (68) into which fluid passes from the body (52). The fluid enters the swirl chamber (68) such that flow in the chamber (68) is concentric to the chamber axis and thereafter flows from the body (52) through an exit ( 66), thus minimising damage to the biochemical agent.

REFERENCES:
patent: 2806741 (1957-09-01), Fishelson et al.
patent: 3368872 (1968-02-01), Natelson
patent: 3574064 (1971-04-01), Binnings et al.
patent: 4613079 (1986-09-01), Mains
patent: 4801093 (1989-01-01), Brunet et al.
patent: 4837159 (1989-06-01), Yamada
patent: 4847208 (1989-07-01), Bogen
patent: 5231029 (1993-07-01), Wootton et al.

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