Bioassay plate washer having concentric aspirate and wash needle

Details Bioassay plate washer having concentric aspirate and wash needle Bioassay plate washer having concentric aspirate and wash needle

1997-09-22

1999-03-16

Le, Long V.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

422 63, 422100, 436 49, 436 54, 134170, G01N 3510, B08B 904

Patent

active

058825975

ABSTRACT:
In a preferred embodiment, a bioassay plate washer, including: a housing; a first wash assembly disposed in the housing; the first wash assembly including wash and aspirate manifolds having defined therein, respectively, a wash liquid chamber and a vacuum chamber; a plurality of wash needles for communication between the wash liquid chamber and a first point below the first wash assembly; a plurality of aspirate needles for communication between the vacuum chamber and a second point below the first point; and each one of the plurality of aspirate needles being disposed internally of each one of the wash needles.

REFERENCES:
patent: 3849830 (1974-11-01), Wagner
patent: 3949771 (1976-04-01), Dodge et al.
patent: 4053284 (1977-10-01), Posch
patent: 4227886 (1980-10-01), Bullock et al.
patent: 4559664 (1985-12-01), Bohme et al.
patent: 4635665 (1987-01-01), Namba et al.

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