Blood analysis system and method for regulating same
First Claim
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1. A blood analysis system comprising:
- a measurement unit;
a measurement cell in said measurement unit;
means for alternatingly filling said measurement cell with blood and one of at least two fluids, said at least two fluids including a calibration fluid for said measurement unit;
at least one of said at least two fluids containing a distinguishable substance; and
a detector disposed in said measurement unit in communication with said measurement cell for determining an identity of a fluid other than the calibration fluid in said measurement cell containing said distinguishable substance.
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Abstract
In a blood analysis system and method, a measurement unit with a measurement cell is alternately filled with blood and at least two specific fluids. At least one of the specific fluids serves as a calibration fluid for the measurement unit. A tag substance is added to at least one of the specific fluids to make the fluids distinguishable from each other and from blood, and the measurement unit includes a detector, arranged in the measurement cell, for determining the identity of fluid present in the measurement cell. The entire blood analysis system can be controlled and monitored on the basis of the identity of the fluid in the measurement cell.
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Citations
14 Claims
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1. A blood analysis system comprising:
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a measurement unit; a measurement cell in said measurement unit; means for alternatingly filling said measurement cell with blood and one of at least two fluids, said at least two fluids including a calibration fluid for said measurement unit; at least one of said at least two fluids containing a distinguishable substance; and a detector disposed in said measurement unit in communication with said measurement cell for determining an identity of a fluid other than the calibration fluid in said measurement cell containing said distinguishable substance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for regulating a blood analysis system comprising the steps of:
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adding a distinguishable substance other than a calibrant to a first fluid and pumping said first fluid, with said distinguishable substance therein, into a measurement cell; determining an identity of the fluid in the measurement cell by monitoring said distinguishable substance in said first fluid in said measurement cell; terminating pumping of said first fluid into said measurement cell when said measurement cell is filled with said first fluid; calibrating at least one measurement sensor in said measurement cell using said first fluid; pumping blood into said measurement cell to replace said first fluid in said measurement cell; identifying the presence of blood in said measurement cell; terminating pumping of blood into said measurement cell when said measurement cell has filled with blood; and measuring at least one parameter of said blood with said measurement sensor in said measurement cell. - View Dependent Claims (14)
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Specification