Method to determine the speed of sedimentation of blood and other parameters correlated thereto, and relative apparatus
First Claim
1. An apparatus for determining the speed of sedimentation, viscosity, elasticity, and density of blood by detecting the development over time of an optical density, or an absorbance, of a sample of blood, the apparatus comprising:
- a blood sample-withdrawing organ;
a capillary container inside which the sample of blood is flowable;
a circuit connecting the blood sample-withdrawing organ with the capillary container;
a sensor in optical communication with the capillary container, the sensor configured to determine the optical density, or the absorbance, associated with the sample of blood when the sample of blood is in the capillary container;
a pump in fluid communication with the circuit, the pump configured to circulate the sample of blood inside the circuit and the capillary container; and
a stop operatively coupled to the pump, the stop configured to instantly interrupt the circulation of the sample of blood at least inside the capillary container.
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Accused Products
Abstract
Method and apparatus to determine the speed of sedimentation of blood and other parameters connected thereto, said method being carried out by detecting the development over time of the optical density, or absorbance, of a sample of blood, said sample being sent in the form of a flow inside a capillary container, said detection being made in correspondence with a point of said capillary container and the relative data acquired being processed to obtain said speed of sedimentation and said connected parameters, said method providing to instantly interrupt the flow of the blood sample flowing inside said capillary container, in order to determine a thickening of the red cells in said blood sample and their consequent sedimentation, said detection being made substantially simultaneously with said instant interruption.
9 Citations
15 Claims
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1. An apparatus for determining the speed of sedimentation, viscosity, elasticity, and density of blood by detecting the development over time of an optical density, or an absorbance, of a sample of blood, the apparatus comprising:
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a blood sample-withdrawing organ;
a capillary container inside which the sample of blood is flowable;
a circuit connecting the blood sample-withdrawing organ with the capillary container;
a sensor in optical communication with the capillary container, the sensor configured to determine the optical density, or the absorbance, associated with the sample of blood when the sample of blood is in the capillary container;
a pump in fluid communication with the circuit, the pump configured to circulate the sample of blood inside the circuit and the capillary container; and
a stop operatively coupled to the pump, the stop configured to instantly interrupt the circulation of the sample of blood at least inside the capillary container. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification
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- Resources
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Current AssigneeAlifax S.r.l.
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Original AssigneeSIRE Analytical Systems SRL
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InventorsEnzo, Breda
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current600/322
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CPC Class CodesG01N 15/05 in blood
