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Patent Searching and Data


Title:
SINGLE CAPILLARY TUBE FLUID-COLUMN-OVER-TIME VISCOMETER
Document Type and Number:
WIPO Patent Application WO2003008936
Kind Code:
A3
Abstract:
A method and apparatus for determining the viscosity of a non-Newtonian fluid over plural shear rates using a single capillary tube exposed to a continuously decreasing pressure differential and while minimizing the effects of surface tension of that fluid during the determination. A particular application of this method and apparatus is also provided for determining the viscosity of the blood of a living being whereby the single capillary tube initially forms a portion of a hand-held unit that obtains a portion of the circulating blood of the living being; the filled capillary tube is then ejected into an analyzer where the blood therein is exposed to the continuously decreasing pressure differential. Data is generated from the movement of the blood through the capillary tube, due to the decreasing pressure differential, and the blood viscosity is determined from that data.

Inventors:
KENSEY KENNETH
HOGENAUER WILLIAM N
CHO YOUNG I
SHIN SEHYUN
KIM SANGHO
Application Number:
PCT/US2002/022732
Publication Date:
September 18, 2003
Filing Date:
July 17, 2002
Export Citation:
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Assignee:
RHEOLOGICS INC (US)
International Classes:
G01N11/06; G01N13/02; (IPC1-7): G01N11/06
Foreign References:
US5365776A1994-11-22
US20010039828A12001-11-15
US4165632A1979-08-28
GB948187A1964-01-29
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