Measuring and testing – Liquid analysis or analysis of the suspension of solids in a... – Viscosity
Patent
1982-12-20
1985-05-21
Birmiel, Howard A.
Measuring and testing
Liquid analysis or analysis of the suspension of solids in a...
Viscosity
73 54, 73 55, G01N 1112, G01N 1104
Patent
active
045178305
ABSTRACT:
Apparatus for detecting the viscosity of blood comprises a hypodermic syringe including a transparent hollow tube, a needle secured to one end of the tube and a plunger in the tube for creating a vacuum for extracting a predetermined volume of blood and depositing the blood in the transparent hollow tube for immediately performing internal viscosity measurement without substantial change in temperature and without any chemical change (e.g. exidation) in the blood sample. An apertured weight member within the transparent hollow tube is movable by gravity at a rate which is a function of the viscosity of the blood and indicia means, visible on the side of the transparent tube indicates the rate of movement of the apertured weight member through the predetermined volume of blood as a measure of the viscosity of the blood in the tube.
REFERENCES:
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patent: 2439287 (1948-04-01), Eitzen
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patent: 4388823 (1983-06-01), Garnaud et al.
patent: 4427015 (1984-01-01), Redeaux, Jr.
R. L. Swank et al., Apparatus for Measuring Relative Blood Viscosity, Review of Scientific Inst., 1954.
Gunn, administrator Robert M.
Gunn, deceased Damon M.
Birmiel Howard A.
Williams Hezron E.
Zegeer Jim
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