Liquid sampler and method

Details Liquid sampler and method Liquid sampler and method

2003-07-25

2009-06-16

Zalukaeva, Tatyana (Department: 3761)

Surgery

Means and methods for collecting body fluids or waste material

Aspiration collection container or trap

C604S324000, C600S573000, C600S574000, C600S575000

Reexamination Certificate

active

07547298

ABSTRACT:
In a sampler for sampling a first portion of a liquid flow, the liquid flow enters at a sampler inlet (12). The sample passes through a valve (30) into a sample chamber (8) and then the valve closes, diverting the remainder of the liquid flow to a sampler overflow (6). The valve comprises a valve inlet (24) coupled to the sampler inlet, a valve outlet (38, 36) opening into the sample chamber and positioned, in use, substantially below the valve inlet, a shut-off chamber (32) separating the valve outlet from the valve inlet, and a valve overflow (34) leading from the shut-off chamber to the sampler overflow (6). When the liquid level in the sample chamber rises to a predetermined level it disrupts the flow of liquid through the valve outlet and diverts later flow through the valve inlet into the shut-off chamber and through the valve overflow.

REFERENCES:
patent: 3010805 (1961-11-01), Cheng
patent: 3499327 (1970-03-01), Lane
patent: 3982898 (1976-09-01), McDonald
patent: 4492258 (1985-01-01), Lichtenstein et al.
patent: 5409473 (1995-04-01), Rosenshein
patent: 2 505 677 (1982-11-01), None
patent: WO 86/03394 (1986-06-01), None
patent: 86/03394 (1986-06-01), None

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