[특허]Angular multiplexed optical coherence tomography systems and methods

Angular multiplexed optical coherence tomography systems and methods 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-003/14 A61B-003/00 A61B-003/10 A61B-003/107 A61B-005/00 G01N-021/47 G01B-009/02
출원번호	US-0343750 (2016-11-04)
등록번호	US-10058244 (2018-08-28)
발명자 / 주소	Raymond, Thomas D. Reid, Devon E.
출원인 / 주소	AMO Wavefront Sciences, LLC
대리인 / 주소	Johnson & Johnson Surgical Vision, Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 30

초록 ▼

Angle multiplexed optical coherence tomography systems and methods can be used to evaluate ocular tissue and other anatomical structures or features of a patient. The angle multiplexed optical coherence tomography system includes a light source, an optical assembly for obtaining a plurality of sample beams corresponding to respective anatomical locations of the eye of the patient, where individual sample beams are associated with a respective non-zero angle relative to a reference beam, and a detection mechanism that detects individual unique interference patterns respectively provided by the plurality of sample beams, for simultaneous evaluation of the anatomical locations.

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1. An angle multiplexed optical coherence tomography system for evaluating an eye of a patient, the system comprising: a light source;an optical assembly for obtaining a reference beam and obtaining a plurality of sample beams which have passed through the eye of the patient and which correspond to respective anatomical locations of the eye of the patient; anda detection mechanism having a receiving surface,wherein the optical assembly directs the plurality of sample beams and the reference beam to be incident on the receiving surface of the detector mechanism at respective incident angles that are different from one another, and wherein the detection mechanism detects individual unique interference patterns respectively provided by the plurality of sample beams, for simultaneous evaluation of the anatomical locations. 2. The system according to claim 1, wherein individual sample beams provide respective unique interference spatial periods at the detection mechanism. 3. The system according to claim 2, wherein unique interference spatial periods are adjustable in response to changes in respective sample beam incident angles relative to the reference beam. 4. The system according to claim 1, wherein the optical assembly includes one or more collimation lenses that direct combined sample-reference beam pairs toward the detection mechanism. 5. The system according to claim 1, wherein the system provide an accuracy for range finding on the order of 10 microns. 6. The system according to claim 1, further comprising a filter assembly that transmits interference signals at spatial frequencies about a first sample-reference beam pair and suppresses interference signals at spatial frequencies about a second sample-reference beam pair. 7. An optical coherence tomography system for evaluating an eye of a patient, the system comprising: a light source; andan optical assembly for obtaining a reference beam and obtaining a sample beam which has passed through the eye of the patient and which corresponds to an anatomical location of the eye of the patient, including a lens that receives the sample beam and the reference beam as a pair of beams combined at a non-zero angle relative to each other, and directs the combined sample-reference beam pair toward a detection mechanism that detects an interference pattern provided by the beam pair for evaluation of the anatomical location. 8. An angle multiplexed optical coherence tomography method for evaluating an eye of a patient, comprising: obtaining a reference beam;obtaining a plurality of sample beams which have passed through the eye of the patient and which correspond to respective anatomical locations of the eye of the patient;directing the plurality of sample beams and the reference beam to be incident on a receiving surface of a detector mechanism at respective incident angles that are different from one another;detecting, by the detector mechanism, individual unique interference patterns respectively provided by the plurality of sample beams; andevaluating the eye of the patient based on the detected interference patterns. 9. The method according to claim 8, further comprising positioning a corneal topography system relative to the eye based on the evaluation, and obtaining a corneal topography measurement of the eye. 10. The method according to claim 9, wherein the topography measurement is performed without aligning the corneal topography system using corneal topography fiducials.

이 특허에 인용된 특허 (30)

Raymond, Thomas D.; Reid, Devon E., Angular multiplexed optical coherence tomography systems and methods.
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Raymond, Thomas D.; Reid, Devon E., Angular multiplexed optical coherence tomography systems and methods.
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L\Esperance Francis A. (Englewood NJ), Method and apparatus for analysis and correction of abnormal refractive errors of the eye.
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Williams David R. ; Liang Junzhong, Method and apparatus for improving vision and the resolution of retinal images.
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Hellmuth Thomas (Danville CA) Wei Jay (Fremont CA), Method and apparatus for optical coherence tomographic fundus imaging without vignetting.
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Yun, Seok-Hyun; Bouma, Brett Eugene; Tearney, Guillermo J.; De Boer, Johannes Fitzgerald, Method and apparatus for performing optical imaging using frequency-domain interferometry.
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Swanson Eric A. (Maynard MA) Huang David (Cambridge MA) Fujimoto James G. (Cambridge MA) Puliafito Carmen A. (Weston MA) Lin Charles P. (Somerville MA) Schuman Joseph S. (Boston MA), Method and apparatus for performing optical measurements.
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Glockler Herrmann J. (Cupertino CA), Method and apparatus for temporal and spatial beam integration.
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Shimmick John K. ; Telfair William B. ; Munnerlyn Charles R. ; Glockler Herrmann J., Method and system for laser treatment of refractive errors using offset imaging.
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Westphal,Volker; Rollins,Andrew M.; Izatt,Joseph A., Method and system for quantitative image correction for optical coherence tomography.
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L\Esperance ; Jr. Francis A. (Englewood NJ), Method for ophthalmological surgery.
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L\Esperance ; Jr. Francis A. (Englewood NJ), Method for opthalmological surgery.
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L\Esperance ; Jr. Francis A. (Englewood NJ), Method for performing ophthalmic laser surgery.
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Klaus Knupfer DE; Christoph Hauger DE, Method for recording depth profiles in a specimen and apparatus therefor.
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L\Esperance ; Jr. Francis A. (Englewood NJ), Method of laser-sculpture of the optically used portion of the cornea.
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L\Esperance ; Jr. Francis A. (Englewood NJ), Method of laser-sculpture of the optically used portion of the cornea.
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Munnerlyn Audrey ; Caudle George, Multiple beam laser sculpting system and method.
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Frey Rudolph W. ; Burkhalter James H. ; Zepkin Neil ; Poppeliers Edward ; Campin John A., Objective measurement and correction of optical systems using wavefront analysis.
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L'Esperance ; Jr. Francis A., Ophthalmic method and apparatus for laser surgery of the cornea.
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Hellmuth Thomas (Danville CA) Wei Jay (Fremont CA), Optical coherence tomography corneal mapping apparatus.
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Walsh, Alexander C.; Updike, Paul G.; Sadda, Srinivas R., Optical coherence tomography device, method, and system.
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Shimmick John K. ; Lemberg Vladimir ; Clapham Terrance N. ; Munnerlyn Charles R., Patient fixation system and method for laser eye surgery.
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Munnerlyn Charles R. (Sunnyvale CA), Photorefractive keratectomy.
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Shimmick John K. ; Hinkson Stephen J. ; Munnerlyn Charles R., Systems and methods for imaging corneal profiles.
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