MEASUREMENT DEVICE, MEASUREMENT METHOD, PROGRAM, AND RECORDING MEDIUM

• US 20140316224A1
• Filed: 09/07/2012
• Published: 10/23/2014
• Est. Priority Date: 11/16/2011
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Sato, Hideo
• Granted Patent: US 9,924,874 B2
• Time in Patent Office: Days
• US Class Current: 600/310
• CPC Class Codes: A61B 5/0075 by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy A61B5/0071 takes precedence
• CPC Class Codes: A61B 5/0077 Devices for viewing the surface of the body, e.g. camera, magnifying lens
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/14542 for measuring blood gases A61B5/14551 takes precedence
• CPC Class Codes: A61B 5/1455 using optical sensors, e.g. spectral photometrical oximeters
• CPC Class Codes: A61B 5/443 Evaluating skin constituents, e.g. elastin, melanin, water
• CPC Class Codes: A61B 5/72 Signal processing specially adapted for physiological signals or for diagnostic purposes character recognition, recognising digital ink, document-oriented image-based pattern recognition G06V30/00; recognition or understanding of postal images G06V30/424

Abstract

A measurement device according to the present disclosure includes a light source for emitting measurement light which is used for measuring an in vivo component present in a living body and belongs to a predetermined wavelength band toward the living body, a detection unit in which a plurality of sensors is regularly arranged in a predetermined arrangement and which detects the measurement light emitted from the light source and passing through the living body with the plurality of sensors, and an analysis unit which analyzes an amount of the in vivo component based on an amount of light attenuated depending on an optical distance from the light source by use of a detection result detected by the detection unit.

Claims

1. A measurement device comprising:

a light source for emitting measurement light which is used for measuring an in vivo component present in a living body and belongs to a predetermined wavelength band toward the living body;

a detection unit in which a plurality of sensors is regularly arranged in a predetermined arrangement and which detects the measurement light emitted from the light source and passing through the living body with the plurality of sensors; and

an analysis unit which analyzes an amount of the in vivo component based on an amount of light attenuated depending on an optical distance from the light source by use of a detection result detected by the detection unit.

2. The measurement device according to claim 1,

wherein the analysis unit models subcutaneous tissues of the living body and analyzes the detection result as a linear sum of absorption by the in vivo component of interest, thereby calculating the amount of the in vivo component.

3. The measurement device according to claim 2,

wherein the detection unit detects measurement light passing through the living body by a sensor utilizing a micro lens array in which a plurality of lenses is regularly arranged in a grid shape.

4. The measurement device according to claim 1,

wherein the light source emits plural kinds of the measurement light with mutually different wavelengths toward the living body in a time division manner.

5. The measurement device according to claim 1,

wherein the analysis unit calculates at least any of an amount of any of melanin, blood component, and water as the in vivo component.

6. The measurement device according to claim 5,

wherein the analysis unit further calculates at least any of the amount of blood, a thickness of fat, and a thickness of the dermic layer.

7. The measurement device according to claim 1, further comprising:

a body substance measurement device for measuring a substance contained in the living body,

wherein the body substance measurement device or the analysis unit corrects a measurement result in the body substance measurement device by use of the amount of the in vivo component.

8. The measurement device according to claim 7,

wherein the body substance measurement device or the analysis unit performs correction processing per measurement processing in the body substance measurement device.

9. The measurement device according to claim 7,

wherein the body substance measurement device is formed integral with the measurement device.

10. A measurement method comprising:

emitting measurement light which is used for measuring an in vivo component present in a living body and belongs to a predetermined wavelength band toward the living body;

detecting the measurement light passing through the living body with a detection unit in which a plurality of sensors is regularly arranged in a predetermined arrangement; and

analyzing an amount of the in vivo component based on an amount of light attenuated depending on an optical distance from a light source of the measurement light by use of a detected detection result.

11. A program for causing a computer capable of controlling a measurement device comprising a light source for emitting measurement light which is used for measuring an in vivo component present in a living body and belongs to a predetermined wavelength band toward the living body, and a detection unit in which a plurality of sensors is regularly arranged in a predetermined arrangement and which detects the measurement light emitted from the light source and passing through the living body with the plurality of sensors to achieve:

a control function of controlling the light source and the detection unit; and

an analysis function of analyzing an amount of the in vivo component based on an amount of light attenuated depending on an optical distance from the light source by use of a detection result detected by the detection unit.

12. A recording medium recording a program therein, the program causing a computer capable of controlling a measurement device comprising a light source for emitting measurement light which is used for measuring an in vivo component present in a living body and belongs to a predetermined wavelength band toward the living body, and a detection unit in which a plurality of sensors is regularly arranged in a predetermined arrangement and which detects the measurement light emitted from the light source and passing through the living body with the plurality of sensors to achieve:

a control function of controlling the light source and the detection unit; and

an analysis function of analyzing an amount of the in vivo component based on an amount of light attenuated depending on an optical distance from the light source by use of a detection result detected by the detection unit.

13. A measurement device comprising:

a body substance measurement device which measures a substance to be measured contained in a living body;

a light source for emitting measurement light which is used for measuring a different in vivo component from the substance to be measured present in the living body and belongs to a predetermined wavelength band toward the living body;

a detection unit in which a plurality of sensors is regularly arranged in a predetermined arrangement and which detects the measurement light emitted from the light source and passing through the living body with the plurality of sensors; and

an analysis unit which analyzes an amount of the in vivo component based on an amount of light attenuated depending on an optical distance from the light source by use of a detection result detected by the detection unit.

14. A measurement device comprising:

a body substance measurement device which measures a substance to be measured contained in a living body;

a light source for emitting measurement light which is used for measuring a different in vivo component from the substance to be measured present in the living body and belongs to a predetermined wavelength band toward the living body;

a detection unit in which a plurality of sensors is regularly arranged in a predetermined arrangement and which detects the measurement light emitted from the light source and passing through the living body with the plurality of sensors; and

an analysis unit which analyzes an amount of the in vivo component based on an amount of light attenuated depending on an optical distance from the light source by use of a detection result detected by the detection unit,

wherein the body substance measurement device or the analysis unit corrects a measurement result in the body substance measurement device by use of the amount of the in vivo component.