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    • 4. 发明申请
    • SINGLE CAPILLARY TUBE VISCOMETER
    • 单毛细管粘度计
    • WO03008936A2
    • 2003-01-30
    • PCT/US0222732
    • 2002-07-17
    • RHEOLOGICS INC
    • KENSEY KENNETHHOGENAUER WILLIAM NCHO YOUNG ISHIN SEHYUNKIM SANGHO
    • G01N11/06G01N13/02
    • G01N11/06G01N13/02
    • 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.
    • 一种用于使用暴露于连续降低的压力差的单个毛细管确定多个剪切速率的非牛顿流体的粘度并同时最小化在确定期间该流体的表面张力的影响的方法和装置。 还提供了该方法和装置的特定应用,用于确定生物的血液的粘度,由此单个毛细管最初形成获得生物的循环血液的一部分的手持单元的一部分; 然后将填充的毛细管喷射到其中其中的血液暴露于连续降低的压力差的分析器中。 数据是由血液通过毛细血管的运动而产生的,由于压力差减小,并且根据该数据确定血液粘度。
    • 6. 发明申请
    • DUAL RISER/SINGLE CAPILLARY VISCOMETER
    • 双升/单毛细管粘度计
    • WO01036936A1
    • 2001-05-25
    • PCT/US2000/028249
    • 2000-10-12
    • G01N33/483A61B5/145A61B5/15A61B10/00G01N11/00G01N11/04G01N11/06G01N33/15G01N33/487G01N33/49
    • A61B5/6866A61B5/02035A61B5/15003A61B5/150221A61B5/150786A61B5/150854A61B5/150992A61B5/154A61B5/155A61B5/157G01N11/04G01N11/06
    • A blood viscosity measuring system and methods for measuring blood viscosity monitors the change in height of two, oppositely-moving, columns of blood from the circulating blood of a patient and, given the dimensions of a capillary tube through which the blood flows, determines the blood viscosity over a range of shears, especially low shears. The system includes a tube set (disposable or non-disposable) that includes a pair of riser tubes, a capillary tube of predetermined dimensions that is coupled between the riser tubes (or that forms a portion of one riser tube) and a valve mechanism for controlling the circulating flow of blood from the patient into the riser tubes. Respective sensors monitor the movement of the columns of blood in each of the riser tubes and an associated microprocessor analyzes these movements, along with the predetermined dimensions of the capillary tube to determine the viscosity of the patient's circulating blood. An alternative system and method monitors only one of the two oppositely moving columns while detecting a single height position of the other one of the moving columns. From that data, along with the dimensions of a capillary tube through which the blood flows, the blood viscosity over a range of shears, especially low shears, is determined.
    • 一种血液粘度测量系统和用于测量血液粘度的方法监测来自患者的循环血液的两个相反运动的血液柱的高度变化,并且考虑到血液流过的毛细管的尺寸, 剪切范围内的血液粘度,特别是低剪切。 该系统包括管组(一次性或非一次性),其包括一对提升管,预定尺寸的毛细管连接在提升管之间(或形成一个提升管的一部分)和用于 控制来自患者的血液循环流入提升管。 相应的传感器监测每个提升管中的血液柱的移动,并且相关联的微处理器分析这些运动以及毛细管的预定尺寸以确定患者循环血液的粘度。 替代的系统和方法仅在检测另一个移动列的单个高度位置时仅监测两个相对移动的列中的一个列。 根据该数据,以及血液通过毛细血管的尺寸,确定了剪切范围内的血液粘度,特别是低剪切力。
    • 9. 发明申请
    • VISCOSITY MEASURING APPARATUS
    • WO2022013578A1
    • 2022-01-20
    • PCT/GB2021/051851
    • 2021-07-19
    • BENSON VISCOMETERS LTD
    • BENSON, Charles Bernard
    • G01N11/06
    • A viscosity measuring apparatus is disclosed. The apparatus comprises a removable viscosity testing module and a viscosity testing apparatus. The removable viscosity testing module comprises a ducting arrangement for retaining and conveying a fluid sample to be tested. The ducting arrangement comprising a first portion for receiving the fluid and a second portion fluidly connected to the first portion. The viscosity testing apparatus further comprises means for causing the fluid to pass along the ducting arrangement between the first portion and the second portion; said means may be part of the viscosity testing module or part of the viscosity testing apparatus, or both. The ducting arrangement comprises a first reference point, and a second reference point disposed downstream of the first reference point, the first and second reference points being separated by a fixed, calibrated distance along the ducting arrangement. The apparatus further comprises detecting means for detecting when the fluid reaches at least one of the first and second reference points, and a timer for determining the time taken for the fluid to pass from the first reference point to the second reference point.