IMPEDANCE MEASURING DEVICE FOR BIOLOGICAL SAMPLES AND IMPEDANCE MEASURING SYSTEM FOR BIOLOGICAL SAMPLES

• US 20150323480A1
• Filed: 12/26/2013
• Published: 11/12/2015
• Est. Priority Date: 01/28/2013
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Brun, Marcaurele, Sato, Kazumasa
• Granted Patent: US 9,952,168 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G01N 27/02 by investigating impedance
• CPC Class Codes: G01N 27/021 before and after chemical transformation of the material
• CPC Class Codes: G01N 33/49 Blood chemical methods for determining blood cell populations G01N33/5094; chemical analysis of blood groups or blood types G01N33/80
• CPC Class Codes: G01N 33/4905 Determining clotting time of blood by chemical methods G01N33/86, C12Q1/56

Abstract

Provided is an impedance measuring device for biological samples including one or a plurality of biological sample holding units configured to hold a biological sample, an applying unit configured to apply an AC voltage to a pair of electrodes in contact with the biological sample held by the biological sample holding unit, a measuring unit configured to measure an impedance of the biological sample obtained by an AC voltage being applied to the biological sample by the applying unit, and a measurement condition control unit configured to control a measuring time and/or a measuring frequency in the measuring unit.

Claims

1. An impedance measuring device for biological samples comprising:

one or a plurality of biological sample holding units configured to hold a biological sample;

an applying unit configured to apply an AC voltage to a pair of electrodes in contact with the biological sample held by the biological sample holding unit;

a measuring unit configured to measure an impedance of the biological sample obtained by an AC voltage being applied to the biological sample by the applying unit; and

a measurement condition control unit configured to control a measuring time and/or a measuring frequency in the measuring unit.

2. The impedance measuring device for biological samples according to claim 1, wherein in control of the measuring time in the measurement condition control unit, a measuring interval in the measuring unit is controlled.

3. The impedance measuring device for biological samples according to claim 1, wherein in control of the measuring time in the measurement condition control unit, a timing of measurement completion in the measuring unit is controlled.

4. The impedance measuring device for biological samples according to claim 1, further comprising:

a temperature control unit configured to control a temperature in the biological sample holding unit.

5. The impedance measuring device for biological samples according to claim 1, wherein in the biological sample holding unit, a biological sample is held by holding a container in which the biological sample is stored.

6. The impedance measuring device for biological samples according to claim 1, further comprising:

a biological sample supplying unit configured to supply the biological sample to the biological sample holding unit automatically.

7. The impedance measuring device for biological samples according to claim 1, further comprising:

a drug supplying unit configured to supply one or more kinds of drug to the biological sample holding unit automatically.

8. The impedance measuring device for biological samples according to claim 5, wherein one or more kinds of drug are stored in the container beforehand.

9. The impedance measuring device for biological samples according to claim 1, wherein the biological sample contains a blood component.

10. The impedance measuring device for biological samples according to claim 9, further comprising:

a blood condition analyzing unit configured to analyze a condition change of blood from a temporal change of an impedance measured in the measuring unit.

11. The impedance measuring device for biological samples according to claim 1, further comprising:

a precision managing unit configured to perform management of precision of the measuring unit.

12. The impedance measuring device for biological samples according to claim 1, further comprising:

a driving mechanism configured to move the biological sample holding unit.

13. The impedance measuring device for biological samples according to claim 12, wherein the driving mechanism moves the biological sample holding unit in a direction that changes a direction of gravity applied to the biological sample held by the biological sample holding unit.

14. The impedance measuring device for biological samples according to claim 1, further comprising:

a stirring mechanism configured to perform stirring in the biological sample holding unit.

15. An impedance measuring system for biological samples comprising:

one or a plurality of biological sample holding units configured to hold a biological sample;

an applying unit configured to apply an AC voltage to a pair of electrodes in contact with the biological sample held by the biological sample holding unit;

a measuring unit configured to measure an impedance of the biological sample obtained by an AC voltage being applied to the biological sample by the applying means;

a measurement condition control unit configured to control a measuring time and/or a measuring frequency in the measuring unit;

a display unit configured to display data of an impedance measured in the measuring unit; and

a user interface for a user'"'"'s operation.

16. The impedance measuring system for biological samples according to claim 15, further comprising:

a memory unit configured to store data of an impedance measured in the measuring unit.