SAMPLE ANALYZER

• US 20080240988A1
• Filed: 03/18/2008
• Published: 10/02/2008
• Est. Priority Date: 03/30/2007
• Status: Active Grant

• Current Assignee: Sysmex Corporation
• Original Assignee: Sysmex Corporation
• Inventors: Takehara, Hisato, Okuzaki, Tomohiro, WAKAMIYA, Yuji
• Granted Patent: US 8,231,830 B2
• Time in Patent Office: Days
• US Class Current: 422/68.1
• CPC Class Codes: G01N 35/00693 Calibration
• CPC Class Codes: Y10T 436/11 Automated chemical analysis
• CPC Class Codes: Y10T 436/113332 with conveyance of sample along a test line in a container or rack
• CPC Class Codes: Y10T 436/119163 with aspirator of claimed structure
• CPC Class Codes: Y10T 436/25 including sample preparation
• CPC Class Codes: Y10T 436/2575 Volumetric liquid transfer

Abstract

A sample analyzer: measures a measurement sample including a sample and a reagent; creates a calibration curve based on first measurement data obtained by measuring a measurement standard sample including a standard sample and the reagent; provides calibration curve specifying information for specifying the calibration curve to the calibration curve; acquires an analysis result by processing second measurement data obtained by measuring the measurement sample based on the calibration curve; and stores the analysis result and the calibration curve specifying information provided to the calibration curve used in the process of the second measurement data in correspondence to each other.

Claims

1. A sample analyzer comprising:

a measurement unit for measuring a measurement sample including a sample and a reagent;

a calibration curve creating means for creating a calibration curve based on first measurement data obtained by measuring a measurement standard sample including a standard sample and the reagent by the measurement unit;

a calibration curve specifying information providing means for providing calibration curve specifying information for specifying the calibration curve to the calibration curve created by the calibration curve creating means;

a measurement data processing means for acquiring an analysis result by processing second measurement data obtained by measuring the measurement sample by the measurement unit based on the calibration curve created by the calibration curve creating means; and

an analysis result storage means for storing the analysis result acquired by the measurement data processing means and the calibration curve specifying information provided to the calibration curve used in the process of the second measurement data in correspondence to each other.

2. The sample analyzer according to claim 1, further comprising a display means for display a calibration curve information display screen including a graph display region for displaying a graph of the calibration curve and a specifying information display region for displaying the calibration curve specifying information provided to the calibration curve.

3. The sample analyzer according to claim 1, further comprising

an accepting means for accepting validation of the calibration curve created by the calibration curve creating means;

and

a validation setting means for setting a validation state in correspondence to the calibration curve when the validation of the calibration curve is accepted by the accepting means;

wherein

the calibration curve specifying information providing means is configured to provide the calibration curve specifying information to the calibration curve when the validation of the calibration curve is accepted by the accepting means.

4. The sample analyzer according to claim 1, further comprising:

a first storage means for storing the calibration curve which can be used for analysis;

a second storage means for storing a plurality of second calibration curves used in the past;

a designation accepting means for accepting designation of a specific calibration curve from the plurality of second calibration curves stored in the second storage means; and

a calibration curve recycling means for storing the specific calibration curve specified from the plurality of second calibration curves stored in the second storage means to the first storage means as the calibration curve which can be used for analysis.

5. The sample analyzer according to claim 4, wherein

the second storage means is configured to store the second calibration curve in correspondence to the calibration curve specifying information;

and

the sample analyzer further comprises a searching means for searching the specific calibration curve stored in the second storage means by the calibration curve specifying information as a key.

6. The sample analyzer according to claim 4, wherein the second storage means is configured to store the second calibration curve, the calibration curve specifying information, and lot information of the reagent used in the measurement of the standard sample in correspondence to one another.

7. The sample analyzer according to claim 1, further comprising

a first storage means for storing the calibration curve which can be used for analysis;

a second storage means for storing the first measurement data of the plurality of standard samples used in creating a plurality of second calibration curves used in the past;

a designation accepting means for accepting designation of a specific measurement data from the plurality of first measurement data stored in the second storage means; and

a calibration curve recycling means for creating a third calibration curve based on the specific measurement data specified from the plurality of first measurement data stored in the second storage means, and storing the third calibration curve in the first storage means as the calibration curve which can be used for analysis.

8. The sample analyzer according to claim 7, wherein

the second storage means is configured to store the first measurement data of the standard sample in correspondence to the calibration curve specifying information;

and

the sample analyzer further comprises a searching means for searching the specific first measurement data stored in the second storage means by the calibration curve specifying information as a key.

9. The sample analyzer according to claim 7, wherein the second storage means is configured to store the first measurement data of the standard sample, the calibration curve specifying information, and lot information of the reagent used in the measurement of the standard sample in correspondence to one another.

10. The sample analyzer according to claim 1, further comprising an analysis result display means for displaying the analysis result stored by the analysis result storage means and the calibration curve specifying information in correspondence to each other.

11. The sample analyzer according to claim 10, wherein the analysis result display means displays the lot information of the reagent used in the measurement of the standard sample in correspondence to the analysis result and the calibration curve specifying information.

12. The sample analyzer according to claim 1, wherein the measurement data processing means acquires the analysis result by converting the second measurement data to a concentration of a predetermined component contained in the sample based on the calibration curve.

13. A sample analyzer comprising:

a measurement unit for measuring a measurement sample including a sample and a reagent;

a calibration curve creating means for creating a calibration curve based on first measurement data obtained by measuring a measurement standard sample including a standard sample and the reagent by the measurement unit;

a first storage means for storing the calibration curve which can be used for analysis;

a second storage means for storing a plurality of second calibration curves used in the past;

a designation accepting means for accepting designation of a specific calibration curve from the plurality of second calibration curves stored in the second storage means;

a calibration curve recycling means for storing the specific calibration curve specified from the plurality of second calibration curves stored in the second storage means to the first storage means as the calibration curve which can be used for analysis; and

a measurement data processing means for acquiring an analysis result by processing the second measurement data obtained by measuring the measurement sample by the measurement unit based on the calibration curve recycled by the calibration curve recycling means.

14. The sample analyzer according to claim 13, wherein

the second storage means is configured to store the second calibration curve in correspondence to calibration curve specifying information for specifying the second calibration curve;

and

the sample analyzer further comprises a searching means for searching the specific calibration curve stored in the second storage means by the calibration curve specifying information as a key.

15. The sample analyzer according to claim 14, wherein the second storage means is configured to store the second calibration curve, the calibration curve specifying information, and lot information of the reagent used in the measurement of the standard sample in correspondence to one another.

16. The sample analyzer according to claim 13, wherein the second storage means further stores a calibration curve same as the calibration curve which can be used for analysis stored in the first storage means.

17. A sample analyzer comprising:

a measurement unit for measuring a measurement sample including a sample and a reagent;

a calibration curve creating means for creating a calibration curve based on first measurement data obtained by measuring a measurement standard sample including a standard sample and the reagent by the measurement unit;

a first storage means for storing the calibration curve which can be used for analysis;

a second storage means for storing the first measurement data of the plurality of standard samples used in creating a plurality of second calibration curves used in the past;

a designation accepting means for accepting designation of a specific first measurement data from the plurality of first measurement data stored in the second storage means; and

a calibration curve recycling means for creating a third calibration curve based on the specific first measurement data specified from the plurality of first measurement data stored in the second storage means, and storing the third calibration curve in the first storage means as the calibration curve which can be used for analysis; and

a measurement data processing means for acquiring an analysis result by processing the second measurement data obtained by measuring the measurement sample with the measurement unit based on the calibration curve reproduced by the calibration curve recycling means.

18. The sample analyzer according to claim 17, wherein

the second storage means is configured to store the first measurement data of the standard sample in correspondence to calibration curve specifying information for specifying the second calibration curve;

and

the sample analyzer further comprises a searching means for searching the specific first measurement data stored in the second storage means by the calibration curve specifying information as a key.

19. The sample analyzer according to claim 17, wherein the second storage means is configured to store the first measurement data of the standard sample, the calibration curve specifying information, and lot information of the reagent used in the measurement of the standard sample in correspondence to one another.

20. The sample analyzer according to claim 17, wherein the second storage means further stores a calibration curve same as the calibration curve which can be used for analysis stored in the first storage means.