Liquid aspirating pipette and dispensing system

Details Liquid aspirating pipette and dispensing system Liquid aspirating pipette and dispensing system

1990-09-10

1992-05-12

Noland, Tom

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386414, 7386416, G01N 114, B01L 302

Patent

active

051117037

ABSTRACT:
A manually operable, liquid aspirating pipette, and associated dispensing apparatus, are disclosed. The pipette includes a manually operable aspirator arrangement which permits collection and aspiration of a liquid sample. A pull-back mechanism is provided to facilitate convenient introduction of air into the pipette subsequent to aspiration of the liquid sample. Notably, the pipette includes a secondary actuating member which permits operation of the pipette by the associated dispensing apparatus. Thus, after aspiration of a liquid sample, the pipette may be positioned in the dispensing apparatus, with the apparatus operated to provide controlled, metered dispensing of the sample in the desired manner.

REFERENCES:
patent: 3248950 (1966-05-01), Pursell et al.
patent: 4327595 (1982-05-01), Schultz
patent: 4435989 (1984-03-01), Meyer et al.
patent: 4487081 (1984-12-01), De Vaughn et al.
patent: 4489618 (1984-12-01), Meyer
patent: 4567780 (1986-02-01), Oppenlander et al.
patent: 4671123 (1987-06-01), Magnussey, Jr. et al.

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