Method of detecting an obstruction in a fluid flow line of a med

Details Method of detecting an obstruction in a fluid flow line of a med Method of detecting an obstruction in a fluid flow line of a med

1995-07-10

1997-04-22

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Measurement includes change in volume or pressure

436 48, 436 52, 436 55, 422 8213, G01N 2113, G01N 2100

Patent

active

056228694

ABSTRACT:
An apparatus for detecting obstructions of a flow line. A detector housing is provided having a cavity therein. The detector housing has first and second openings into the cavity. The flow line is attached to the detector housing establishing a flow path through the first opening, the cavity, and the second opening, respectively. A pressure detector detects changes in pressure within the cavity, indicating the presence of an obstruction.

REFERENCES:
patent: 4430886 (1984-02-01), Rood
patent: 4559034 (1985-12-01), Kirita
patent: 4976155 (1990-12-01), Challandes
patent: 5026348 (1991-06-01), Venegas
patent: 5081045 (1992-01-01), McGill
patent: 5121658 (1992-06-01), Lew
patent: 5236666 (1993-08-01), Hulette et al.
patent: 5330717 (1994-07-01), Berteloot et al.

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