Particle measurement apparatus

Details Particle measurement apparatus Particle measurement apparatus

1993-07-22

1999-05-25

Pham, Hoa Q.

Optics: measuring and testing

For size of particles

By particle light scattering

356338, 356343, G01N 1502

Patent

active

059073993

ABSTRACT:
Light receiving elements detect the intensity of light scattered from a sample cuvette containing particles irradiated by a laser beam from a laser source. Signals from the light receiving elements are evaluated to determine the size and number of the particles for its time-series display. In measuring blood corpuscles, the clumps of aggregation can be determined in terms of size and number on a time-series base with high accuracy, thus providing a useful means mechanism for clinically diagnosing various diseases including thrombosis and for determining the effectiveness of remedies.

REFERENCES:
patent: 4397549 (1983-08-01), Morgan
patent: 4492472 (1985-01-01), Asano et al.
patent: 5015094 (1991-05-01), Oka et al.
patent: 5059395 (1991-10-01), Brittenham et al.
patent: 5090808 (1992-02-01), Ishikawa et al.
patent: 5257087 (1993-10-01), Furuya

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