Instrument for measuring coagulation parameters and method of us

Details Instrument for measuring coagulation parameters and method of us Instrument for measuring coagulation parameters and method of us

1985-11-19

1988-10-11

Marcus, Michael S.

Chemistry: analytical and immunological testing

Clotting or clotting factor level tests

436 45, 436165, 436177, 436909, 422 72, 422 73, G01N 2107, G01N 2147

Patent

active

047771410

ABSTRACT:
An instrument for measuring coagulation parameters is provided in which plasma and at least one reagent are mixed by spinning in a cuvette with transparent windows and in which measurement is then made of scatter by the mixture of the energy of a light beam sent into the mixture.
Upon spin, the plasma components and reagent are displaced into the chamber, thus determining the initiation of the presence of the mixture in which the clot forms, and a photodetecting unit senses the change in the energy of the scattered light, caused by clot formation.

REFERENCES:
patent: 4226531 (1980-10-01), Tiffany et al.
patent: 4252536 (1981-02-01), Kishimoto et al.
patent: 4373812 (1983-02-01), Stein et al.
patent: 4387992 (1983-06-01), Swartz
patent: 4558946 (1985-12-01), Galle et al.
C. D. Bertram et al, (Sep. 1984), "Optical Endpoint Sensing in an Automatic Whole Blood Clotting Timer", Med. & Biol. Eng. & Comput., vol. 22, pp. 401-405.

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