SYSTEMS AND METHODS FOR GENERATING DATA USING ONE OR MORE ENDOSCOPIC MICROSCOPY TECHNIQUES

• US 20070238955A1
• Filed: 01/12/2007
• Published: 10/11/2007
• Est. Priority Date: 01/18/2006
• Status: Abandoned Application

• Current Assignee: The General Hospital Corporation (Mass General Brigham, Inc.)
• Original Assignee: The General Hospital Corporation (Mass General Brigham, Inc.)
• Inventors: Bouma, Brett Eugene, Tearney, Guillermo J., Oh, Wang-Yuhl, Iftimia, Nicusor
• Application Number:
  US11/622,854
• Publication Number:
  US 20070238955A1
• Time in Patent Office: Days
• US Class Current: 600/407
• CPC Class Codes: A61B 1/00096 Optical elements
• CPC Class Codes: A61B 1/00167 Details of optical fibre bundles, e.g. shape or fibre distribution
• CPC Class Codes: A61B 1/00172 with means for scanning
• CPC Class Codes: A61B 1/06 with illuminating arrangements
• CPC Class Codes: A61B 1/07 using light-conductive means, e.g. optical fibres
• CPC Class Codes: A61B 5/0066 Optical coherence imaging
• CPC Class Codes: A61B 5/0068 Confocal scanning
• 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 5/0084 for introduction into the body, e.g. by catheters A61B5/1459 takes precedence
• CPC Class Codes: G01B 9/0205 of probe head
• CPC Class Codes: G01B 9/02057 by using common path configuration, i.e. reference and object path almost entirely overlapping
• CPC Class Codes: G01B 9/02079 Quadrature detection, i.e. detecting relatively phase-shifted signals
• CPC Class Codes: G01B 9/02091 Tomographic interferometers, e.g. based on optical coherence
• CPC Class Codes: G01N 21/4795 spatially resolved investigating of object in scattering medium in vivo A61B
• CPC Class Codes: G02B 23/2446 of the image relay G02B23/26 takes precedence

Abstract

Exemplary systems and methods for imaging at least one portion of a sample can be provided. For example, according to one exemplary embodiment of such systems and methods, it is possible to receive at least one first electro-magnetic radiation from the sample and at least one second electro-magnetic radiation from a reference using at least one arrangement. Such arrangement and the reference can be provided in an endoscope enclosure. The image data associated with the portion can be generated as a function of the first and second electro-magnetic radiations. In another exemplary embodiment, an endoscope arrangement can be provided for imaging such portion of the sample. The endoscope arrangement can include at least one interferometric arrangement configured to receive at least one electro-magnetic radiation from the sample, and situated within and at one end of an endoscope enclosure of the endoscope arrangement. According to yet another exemplary embodiment, at least one first Linnik interferometric arrangement at least one second fiber arrangement being in optical communication with the at least one first arrangement can be provided. The second arrangement can be configured to transmit an electro-magnetic radiation to the first arrangement. The first arrangement can be configured to receive an additional electro-magnetic radiation from the sample which can be associated with the first electro-magnetic radiation. The first arrangement can be configured to forward at least one third electro-magnetic radiation which is associated with the at least one second electro-magnetic radiation to the at least one second arrangement.

Claims

1. A system for imaging at least one portion of a sample, comprising:

at least one first arrangement configured to receive at least one first electro-magnetic radiation from the sample and to receive at least one second electro-magnetic radiation from a reference, wherein the at least one first arrangement and the reference are provided in an endoscope enclosure; and

at least one second detection arrangement configured to generate image data associated with the at least one portion as a function of the first and second electro-magnetic radiations.

2. The system according to claim 1, further comprising at least one third arrangement being in communication with the at least one first arrangement and configured to receive at least one third electro-magnetic radiation from a further reference, wherein the at least one third arrangement is provided outside of an endoscope enclosure.

3. The system according to claim 2, wherein the further reference is a translatable reference, and wherein the at least one third arrangement is further configured to receive at least one fourth electro-magnetic radiation from a stationary reference, wherein the translatable and stationary references are provided externally from the endoscope enclosure.

4. The system according to claim 3, further comprising a fourth arrangement configured to move the translatable reference.

5. The system according to claim 4, wherein the fourth arrangement is a piezo-electric transducer.

6. The system according to claim 2, wherein the at least one first arrangement communicates with the at least one third arrangement via a fiber arrangement.

7. The system according to claim 6, wherein the fiber arrangement includes at least one of a single fiber or a plurality of fibers.

8. The system according to claim 6, wherein the fiber arrangement is at least one of a single model arrangement or a multi-mode arrangement.

9. The system according to claim 6, wherein a first fiber of the fiber arrangement is configured to transmit an electro-magnetic radiation to the sample, and wherein the first fiber and a second fiber of the fiber arrangement is configured to receive the at least one first electro-magnetic radiation from the sample and the at least one second electro-magnetic radiation from the reference.

10. The system according to claim 9, wherein the first and second fibers transmit a further electro-magnetic radiation for performing a dual balance detection.

11. The system according to claim 2, wherein the further reference is fixed, wherein the at least one third arrangement comprises a beam splitting arrangement providing a fourth electro-magnetic radiation and a fifth electro-magnetic radiation that are out of phases from one another.

12. The system according to claim 11, further comprising at least one fourth arrangement which selectively forwards at least one of the fourth or fifth electro-magnetic radiations to the at least one first arrangement.

13. The system according to claim 12, wherein the at least one fourth arrangement is an optical switch.

14. The system according to claim 1, wherein the at least one first arrangement is an interferometric arrangement.

15. The system according to claim 14, wherein the interferometric arrangement comprises at least one of a Michelson interferometer, a Linnik interferometer, a Mach-Zehnder interferometer, a common path interferometer, a Sagnac interferometer or a Mirau interferometer.

16. The system according to claim 14, wherein the interferometric arrangement is monolithic.

17. The system according to claim 1, wherein the reference includes an attenuator.

18. The system according to claim 1, wherein the reference is translatable.

19. The system according to claim 1, wherein the system is part of an endoscopic arrangement, and wherein the second arrangement situated within and at one end of an endoscope enclosure of the endoscope arrangement.

20. The system according to claim 1, wherein the second arrangement is at least one Linnik interferometric arrangement.

21. An endoscope arrangement for imaging at least one portion of a sample, comprising:

at least one interferometric arrangement configured to receive at least one electro-magnetic radiation from the sample, and situated within and at one end of an endoscope enclosure of the endoscope arrangement.

22. The endoscope arrangement according to claim 21, wherein the one end of the endoscope enclosure is provided in a proximity of the sample.

23. The endoscope arrangement according to claim 21, wherein the at least one interferometric arrangement is a Linnik interferometric arrangement.

24. The endoscope arrangement according to claim 21, wherein the at least one interferometric arrangement is immersed in a fluid.

25. The endoscope arrangement according to claim 21, wherein the at least one interferometric arrangement comprises a beam splitting arrangement providing a first further electro-magnetic radiation and a second further electro-magnetic radiation that are out of phases from one another.

26. The endoscope arrangement according to claim 25, further comprising at least one further arrangement which selectively forwards at least one of the first or second further electro-magnetic radiations to at least one fiber arrangement.

27. The endoscope arrangement according to claim 26, wherein the at least one third arrangement is at least one of an optical switch or a plurality of fibers.

28. A system for imaging at least one portion of a sample, comprising:

at least one first Linnik interferometric arrangement; and

at least one second fiber arrangement being in optical communication with the at least one first arrangement,

wherein at least one second arrangement is configured to transmit at least one first electro-magnetic radiation to the at least one first arrangement; and

wherein the at least one first arrangement is configured to receive at least one second electro-magnetic radiation from the sample which is associated with the at least one first electro-magnetic radiation, and

wherein the at least one first arrangement is configured to forward at least one third electro-magnetic radiation which is associated with the at least one second electro-magnetic radiation to the at least one second arrangement.

29. The system according to claim 28, wherein the at least one second arrangement is configured to transmit imaged data associated with the at least one portion.

30. The system according to claim 28, further comprising at least one third arrangement configured to receive the image data, and generate at least one image of the at least one portion based on the image data.

31. The system according to claim 28, wherein the at least one second arrangement is a fiber bundle.

32. The system according to claim 28, wherein at least one first fiber of the at least one second arrangement is configured to transmit the at least one first electro-magnetic radiation, and wherein at least one second fiber of the at least one second arrangement is configured to transmit the at least one third electro-magnetic radiation.

33. The system according to claim 28, wherein at least one fiber of the at least one second arrangement is configured to transmit the at least one first electro-magnetic radiation and the at least one third electro-magnetic radiation.

34. The system according to claim 28, wherein the first and second arrangements are provided in a catheter enclosure or in an endoscope enclosure.

35. The system according to claim 28, wherein the at least one first interferometric arrangement is immersed in a fluid.

36. The system according to claim 28, wherein the at least one first arrangement comprises a beam splitting arrangement providing the at least one third electro-magnetic radiation and a fourth electro-magnetic radiation that are out of phases from one another.

37. The system according to claim 36, further comprising at least one third arrangement which selectively forwards at least one of the third or fourth further electro-magnetic radiations to the at least one second arrangement.

38. The system according to claim 37, wherein the at least one third arrangement is at least one of an optical switch or a plurality of fibers.

39. A method for imaging at least one portion of a sample, comprising:

receiving at least one first electro-magnetic radiation from the sample and at least one second electro-magnetic radiation from a reference using at least one arrangement, wherein the at least one arrangement and the reference are provided in an endoscope enclosure; and

generating image data associated with the at least one portion as a function of the first and second electro-magnetic radiations.