Imaging method, imaging apparatus, imaging system, surgery support system, and a storage medium

Patent metadata

Field	Value
Publication number	US-10408749-B2
Application number	US-201815922999-A
Country	US
Kind code	B2
Filing date	Mar 16, 2018
Priority date	Sep 18, 2015
Publication date	Sep 10, 2019
Grant date	Sep 10, 2019

Abstract

An imaging method includes: irradiating breast tissue with infrared light, detecting light in a narrow wavelength band selected from wavelength bands from 1400 nm or more to 1600 nm or less, among light radiated from the tissue irradiated with the infrared light, and generating, based on the detected light in the narrow wavelength band, an image to specify an area in the tissue containing breast cancer cell aggregation or breast cancer tissue.

First claim

What is claimed is:

1. An imaging method comprising:
irradiating breast tissue with infrared light;
detecting light in a narrow wavelength band selected from wavelength bands from 1400 nm or more to 1650 nm or less, among light radiated from the tissue irradiated with the infrared light; and
generating, based on the detected light in the narrow wavelength band, an image to specify an area in the tissue containing breast cancer cell aggregation or breast cancer tissue,
wherein a peak wavelength of the infrared light is set to 1400 nm or more to 1650 nm or less,
wherein the infrared light has a spectral half width of 100 nm or less.

2. The imaging method of claim 1 , wherein the narrow wavelength band is selected based on optical properties of water and optical properties of fat.

3. The imaging method of claim 1 , wherein the light in the narrow wavelength band is light having a wavelength of 1400 nm, 1500 nm, or 1600 nm.

4. The imaging method of claim 1 , wherein the breast cancer cell aggregation or the breast cancer tissue includes an invasive ductal carcinoma.

5. The imaging method of claim 1 , wherein the breast cancer cell aggregation or the breast cancer tissue includes a ductal carcinoma in situ.

6. The imaging method of claim 1 , wherein the tissue includes a non-nodular lesion.

7. The imaging method of claim 1 , wherein the tissue includes a nodular lesion with adipose tissue as a background.

8. An imaging apparatus comprising:
an irradiator that irradiates breast tissue with infrared light;
a detector that detects light in a narrow wavelength band selected from wavelength bands from 1400 nm or more to 1650 nm or less, among light radiated from the tissue irradiated with the infrared light; and
an image generator that generates, based on detection results from the detector, an image to specify an area in the tissue containing breast cancer cell aggregation or breast cancer tissue,
wherein a peak wavelength of the infrared light is set to 1400 nm or more to 1650 nm or less,
wherein the infrared light has a spectral half width of 100 nm or less.

9. The imaging apparatus of claim 8 , wherein the narrow wavelength band is selected based on optical properties of water and optical properties of fat.

10. The imaging apparatus of claim 8 , wherein the light in the narrow wavelength band is light having a wavelength of 1400 nm, 1500 nm, or 1600 nm.

11. The imaging apparatus of claim 8 , wherein the irradiator includes a light emitting diode or a laser diode.

12. The imaging apparatus of claim 8 , wherein the breast cancer cell aggregation or the breast cancer tissue includes an invasive ductal carcinoma.

13. The imaging apparatus of claim 8 , wherein the breast cancer cell aggregation or the breast cancer tissue includes a ductal carcinoma in situ.

14. The imaging apparatus of claim 8 , wherein the tissue includes a non-nodular lesion.

15. The imaging apparatus of claim 8 , wherein the tissue includes a nodular lesion with adipose tissue as a background.

16. An imaging system comprising:
the imaging apparatus of claim 8 ; and
a display device that displays images of the tissue captured by the imaging apparatus.

17. The imaging system of claim 16 comprising: a second imaging apparatus that detects a visible light image of the tissue.

18. A surgery support system comprising:
the imaging apparatus of claim 8 ; and
an operation device that is capable of processing the tissue.

19. An imaging apparatus comprising:
an irradiator that irradiates tissue with infrared light;
a detector that detects first light in a wavelength band selected from predetermined wavelength bands from 1050 nm or more to 1650 nm or less, among light radiated from the tissue irradiated with the light; and
an image generator that generates, based on detection results from the detector, an image to specify a breast cancer area in the tissue,
wherein the infrared light has a spectral half width of 100 nm or less.

20. The imaging apparatus of claim 19 , wherein the selected wavelength band is selected based on optical properties of water or optical properties of fat.

21. The imaging apparatus of claim 6 , wherein
the detector detects second light in a wavelength band, the wavelength band being selected from the predetermined wavelength bands from 1050 nm or more to 1650 nm or less and being different from the wavelength band of the first light, and
the image generator generates, based on detection results from the detector after detecting the second light, an image to specify a breast cancer area in the tissue.

22. The imaging apparatus of claim 19 , wherein the first light has a wavelength selected from 1350 nm or more to 1650 nm or less.

23. The imaging apparatus of claim 19 , wherein the first light is light having a wavelength of 1400 nm, 1500 nm, or 1600 nm.

24. The imaging apparatus of claim 19 , wherein the first light is light having a wavelength of 1070 nm or 1300 nm.

25. The imaging apparatus of claim 19 , wherein the image generator generates the image in which the breast cancer area is enhanced.

26. The imaging apparatus of claim 19 , wherein the image generator generates the image in which contract is adjusted.

27. The imaging apparatus of claim 19 , wherein the detector includes a filter that interrupts light other than light in a wavelength band selected from the predetermined wavelength bands.

28. The imaging apparatus of claim 19 , wherein the breast cancer area includes an invasive ductal carcinoma.

29. The imaging apparatus of claim 19 , wherein the breast cancer area includes a ductal carcinoma in situ.

30. The imaging apparatus of claim 19 , wherein the tissue includes a non-nodular lesion.

31. The imaging apparatus of claim 19 , wherein the tissue includes a nodular lesion with adipose tissue as a background.

32. An imaging system comprising:
the imaging apparatus of claim 19 ; and
a display device that displays images of the tissue captured by the imaging apparatus.

33. A storage medium storing therein a control program that causes a computer to control processing comprising:
irradiating breast tissue with infrared light;
detecting light in a narrow wavelength band selected from wavelength bands from 1400 nm or more to 1650 nm or less, among light radiated from the tissue irradiated with the infrared light; and
generating, based on the detected light in the narrow wavelength band, an image to specify an area in the tissue containing breast cancer cell aggregation or breast cancer tissue,
wherein a peak wavelength of the infrared light is set to 1400 nm or more to 1650 nm or less,
wherein the infrared light has a spectral half width of 100 nm or less.

34. A storage medium storing therein a control program that causes a computer to control processing comprising:
irradiating tissue with infrared light;
detecting first light in a narrow wavelength band selected from wavelength bands from 1050 nm or more to 1650 nm or less, among light radiated from the tissue irradiated with the infrared light; and
generating, based on the detected first light, an image to specify a breast cancer area in the tissue,
wherein the infrared light has a spectral half width of 100 nm or less.

Assignees

• Japan Organization Of Occupational Health And Safety
• Aist
• Nikon Corp

Inventors

• Harigaya Kenichi
• Ozaki Daisuke
• Ikehara Yuzuru
• Ishikawa Hiroki
• Liu Zhen
• Hataguchi Takeshi

Classifications

• A61B10/0233

  Pointed or sharp biopsy instruments · CPC title

• A61B5/0091

  for mammography · CPC title

• A61B5/0077

  Devices for viewing the surface of the body, e.g. camera, magnifying lens · CPC title

• A61B5/117

  Identification of persons (methods or arrangements for recognising patterns, e.g. fingerprints, G06F18/00, G06V40/00; identification of persons by analysing their voice or speech G10L17/00) · CPC title

• A61B5/4842

  Monitoring progression or stage of a disease · CPC title