Fluid dispensing method

Details Fluid dispensing method Fluid dispensing method

1995-06-02

1997-01-07

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Automated chemical analysis

436 47, 422 65, G01N 3502, G01N 3510

Patent

active

055916422

ABSTRACT:
A chemical analyzer (10) includes a fluid dispensing system (46) with a carrier member (18) and fluid dispensing head (72). The carrier member (18) includes a docking fixture (52) and the fluid dispensing head includes a docking receptacle (54). By engagement of the docking fixture and receptacle the carrier member carries the fluid dispensing head to a position above a recess (34) into which fluid is precisely dispensed. The carrier member also returns the fluid dispensing head to a storage location (64) substantially separating the fluids to be dispensed from the environment of the analyzer. When the fluid dispensing head is in its storage location the carrier member may disengage to perform other functions in the analyzer.

REFERENCES:
patent: 4496958 (1985-01-01), Brandt et al.
patent: 4952518 (1990-08-01), Johnson et al.
patent: 5055263 (1991-10-01), Meltzer
patent: 5122342 (1992-06-01), McCulloch et al.
Robotics: Choice and Implementation; 8386 Chemometrics and Intelligent Laboratory Systems; 17 (1992) Oct., No. 1, Amsterdam, NE; Elsevier Science Publishers B.V. 1992.

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