Apparatus for patterned plasma-mediated laser ophthalmic surgery
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-018/18
A61F-009/008
A61F-009/007
A61F-009/009
A61B-018/20
A61F-002/16
A61B-090/00
A61B-018/00
출원번호
US-0007051
(2016-01-26)
등록번호
US-10130510
(2018-11-20)
발명자
/ 주소
Palanker, Daniel V.
Blumenkranz, Mark S.
Mordaunt, David H.
Andersen, Dan E.
출원인 / 주소
Optimedica Corporation
대리인 / 주소
Johnson & Johnson Surgical Vision, Inc.
인용정보
피인용 횟수 :
0인용 특허 :
116
초록▼
A system for ophthalmic surgery on an eye includes: a pulsed laser which produces a treatment beam; an OCT imaging assembly capable of creating a continuous depth profile of the eye; an optical scanning system configured to position a focal zone of the treatment beam to a targeted location in three
A system for ophthalmic surgery on an eye includes: a pulsed laser which produces a treatment beam; an OCT imaging assembly capable of creating a continuous depth profile of the eye; an optical scanning system configured to position a focal zone of the treatment beam to a targeted location in three dimensions in one or more floaters in the posterior pole. The system also includes one or more controllers programmed to automatically scan tissues of the patient's eye with the imaging assembly; identify one or more boundaries of the one or more floaters based at least in part on the image data; iii. identify one or more treatment regions based upon the boundaries; and operate the optical scanning system with the pulsed laser to produce a treatment beam directed in a pattern based on the one or more treatment regions.
대표청구항▼
1. A method for treating a floater in an eye of a patient, comprising: operating an imaging system so as to acquire image data from locations distributed throughout a volume of a posterior pole of the eye of the patient and construct one or more images of the patient's ocular tissue from the image d
1. A method for treating a floater in an eye of a patient, comprising: operating an imaging system so as to acquire image data from locations distributed throughout a volume of a posterior pole of the eye of the patient and construct one or more images of the patient's ocular tissue from the image data, wherein the one or more images comprise one or more boundaries of the floater in the ocular tissue;constructing, using a computer system, a treatment region based on the one or more boundaries of the floater; andoperating a surgical system to direct a pulsed laser treatment beam in a treatment pattern based on the treatment region so as to dissect the ocular tissue, the pulsed laser treatment beam has a pulse repetition rate between about 1 kHz and about 1,000 kHz, and a pulse energy between about 1 microjoule and about 30 microjoules,wherein the imaging system comprises one or more selected from the group consisting of an interferometer, a time domain optical coherence tomography system, a frequency domain optical coherence tomography system, a confocal microscope, and a scanning confocal microscope system. 2. The method of claim 1, wherein the pulsed laser treatment beam has a wavelength between about 800 nm and about 1,100 nm. 3. The method of claim 1, wherein the pulsed laser treatment beam has a pulse repetition rate between about 1 kHz and about 200 kHz. 4. The method of claim 1, wherein the pulsed laser treatment beam pulses has a pulse duration between about 100 femtoseconds and about 10 picoseconds. 5. The method of claim 1, wherein the imaging system comprises a time domain optical coherence tomography system. 6. The method of claim 5, further comprising generating a continuous depth profile of the posterior pole of the eye based on the image data. 7. The method of claim 1, wherein the imaging system comprises a frequency domain optical coherence tomography system. 8. The method of claim 1, further comprising operating the imaging system so as to further acquire image data from locations distributed throughout a volume of a cataractous crystalline lens of the patient and to construct one or more images of the patient's eye tissues from the image data, wherein the one or more images further comprise an image of at least a portion of the crystalline lens. 9. The method of claim 8, wherein a scanner is configured to automatically scan tissues of the patient's eye with the imaging system so as to generate image data signals to create a continuous depth profile the anterior portion of the lens. 10. The method of claim 9, further comprising constructing, using the computer system, an anterior capsulotomy cutting region based on the image data, the capsulotomy cutting region comprising an anterior cutting boundary axially spaced from a posterior cutting boundary so as to define a cutting zone transecting the anterior capsule. 11. The method of claim 10, further comprising operating the surgical system to direct a pulsed laser treatment beam in a pattern based on the anterior capsulotomy cutting region so as to create an anterior capsulotomy in the crystalline lens. 12. A method for treating a floater in an eye of a patient, comprising: providing a pulsed laser surgical system configured to generate a treatment laser beam, to focus the treatment laser beam to a treatment beam focal zone, and to position the treatment beam focal zone;operating an optical coherence tomography (OCT) imaging system so as to acquire OCT image data from locations distributed throughout a posterior pole of the eye of the patient;processing the image data with a computer system so as to identify one or more boundaries of the floater in an ocular tissue of the patient and to generate a treatment cutting region based on the boundaries of the floater; andoperating the surgical system to direct the treatment laser beam in a pattern based on the treatment cutting region to dissect the ocular tissue, wherein positioning of the treatment beam focal zone in the posterior pole during the patterned cutting is guided by the computer system based on the generated cutting region, the treatment laser beam having a pulse repetition rate between about 1 kHz and about 1,000 kHz, and a pulse energy between about 1 microjoule and about 30 microjoules. 13. The method of claim 12, wherein the pulsed laser treatment beam has a wavelength between about 800 nm and about 1,100 nm. 14. The method of claim 12, wherein the pulsed laser treatment beam has a pulse repetition rate between about 1 kHz and about 200 kHz. 15. The method of claim 12, wherein the pulsed laser treatment beam pulses has a pulse duration between about 100 femtoseconds and about 10 picoseconds. 16. The method of claim 12, further comprising operating the OCT imaging system so as to acquire image data from locations distributed throughout a volume of a cataractous crystalline lens of the patient and constructing two or more images of the patient's eye tissues from the image data, wherein the two or more images comprise an image of at least a portion of the crystalline lens. 17. The method of claim 12, wherein a scanner is configured to automatically scan tissues of the patient's eye with the imaging system so as to generate image data signals to create a continuous depth profile the anterior portion of the lens. 18. The method of claim 17, further comprising constructing, with the computer system, an anterior capsulotomy cutting region based on the image data, the capsulotomy cutting region comprising an anterior cutting boundary axially spaced from a posterior cutting boundary so as to define a cutting zone transecting the anterior capsule. 19. The method of claim 18, further comprising operating the surgical system to direct the pulsed laser treatment beam in a pattern based on the anterior capsulotomy cutting region so as to create an anterior capsulotomy in the crystalline lens.
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