Liquid recovery device

Details Liquid recovery device Liquid recovery device

1987-01-02

1988-12-06

Richman, Barry S.

Chemistry: analytical and immunological testing

Including sample preparation

Liberation or purification of sample or separation of...

436810, 422 61, 422100, 422102, 435295, 604 1, 206361, 206569, C12M 130, B01L 300, A61M 3500

Patent

active

047896396

ABSTRACT:
A liquid recovery device includes a receptacle, a swab for transferring a sample to a liquid in the receptacle, and a wringing unit to remove the liquid from the swab after the sample is transferred. The wringing unit has a sleeve with a closure in one end. A shaft of the swab extends through a passageway in the closure. When the swab in the receptacle is raised by upward movement of the shaft, an absorbent pad on the lower end of the shaft enters the passageway and is compressed. The compression of the pad wrings liquid therefrom which drips back into the receptacle. The device may be used in a method to prepare solutions of the sample in a minimum amount of liquid.

REFERENCES:
patent: 3368549 (1968-02-01), Barr et al.
patent: 3954563 (1976-05-01), Mennen
patent: 4175008 (1979-11-01), White
patent: 4209488 (1980-06-01), Breno
patent: 4358425 (1982-11-01), Finney et al.
patent: 4409988 (1983-10-01), Greenspan
patent: 4652429 (1987-03-01), Konrad
patent: 4657869 (1987-04-01), Richards et al.

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