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-0236284
(2016-08-12)
등록번호
US-9693903
(2017-07-04)
발명자
/ 주소
Palanker, Daniel V.
Blumenkranz, Mark S.
Mordaunt, David H.
Andersen, Dan E.
출원인 / 주소
Optimedica Corporation
대리인 / 주소
Abbott Medical Optics Inc.
인용정보
피인용 횟수 :
0인용 특허 :
114
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 laser surgical system for making incisions in ocular tissues during a cataract surgical procedure, the system comprising: a laser system comprising a scanning assembly, a laser operable to generate a laser beam configured to incise ocular tissue;an imaging device configured to acquire image dat
1. A laser surgical system for making incisions in ocular tissues during a cataract surgical procedure, the system comprising: a laser system comprising a scanning assembly, a laser operable to generate a laser beam configured to incise ocular tissue;an imaging device configured to acquire image data from locations distributed throughout a volume of a crystalline lens of the patient and construct one or more images of the patient's eye tissues from the image data, wherein the one or more images comprise an image of at least a portion of the crystalline lens; anda control system operably coupled to the laser system and configured to: operate the imaging device to generate image data of a continuous depth profile of the volume of the patient's crystalline lens;identify one or more boundaries of the one or more tissue structures of the crystalline lens based at least in part on the image data;process the image data to determine a lens fragmentation treatment region of the lens of the eye based at least in part upon the one or more boundaries, the lens fragmentation treatment region comprising a posterior cutting boundary located anterior to the posterior capsule of the lens;process the image data to determine a lens fragmentation scanning pattern for scanning a focal zone of the laser beam for performing lens fragmentation, the lens fragmentation pattern comprising a scanning pattern at a plurality of depths within the lens fragmentation treatment region; andoperate the laser and the scanning assembly to scan the focal zone of the laser beam in the lens fragmentation scanning pattern consecutively at each of the plurality of depths within the lens fragmentation treatment region,wherein positioning of the focal zone is guided by the control system based on the image data. 2. The system of claim 1, wherein the imaging device is an optical coherence tomography system. 3. The system of claim 1, wherein the lens fragmentation treatment region does not transect the posterior capsule. 4. The system of claim 1, wherein all scanning of the focal zone occurs anterior to the posterior capsule. 5. The system of claim 1, further comprising a user interface, under operative control of the controller, configure to receive user input comprising one or more parameters used in scanning the eye tissue. 6. The system of claim 1, wherein the imaging device comprises at least one of a camera, an interferometer, a time domain optical coherence tomography system, a frequency domain optical tomography system, a confocal microscope, and a scanning confocal microscope. 7. The system of claim 6, wherein the imaging device is a camera. 8. The system of claim 1, wherein the scanning pattern is selected from the group consisting of: two or more intersecting straight lines, a crosshatched pattern comprising two or more sets of intersecting lines, one or more curved lines, a circular line, two or more concentric circular lines, and one or more spiral-shaped lines. 9. The system of claim 1, wherein the lens is fragmented into segments that can be removed through a lumen of an ophthalmic aspiration probe. 10. A laser surgical system for making incisions in ocular tissues during a cataract surgical procedure, the system comprising: a laser system comprising a scanning assembly, a laser operable to generate a laser beam configured to incise ocular tissue;an imaging device configured to acquire image data from locations distributed throughout a volume of a crystalline lens of the patient and construct one or more images of the patient's eye tissues from the image data, wherein the one or more images comprise an image of at least a portion of the crystalline lens; anda control system operably coupled to the laser system and configured to: operate the imaging device to generate image data of a continuous depth profile of the volume of the patient's crystalline lens;identify one or more boundaries of the one or more tissue structures of the crystalline lens based at least in part on the image data;process the image data to determine a lens fragmentation treatment region of the lens of the eye based at least in part upon the one or more boundaries; andoperate the laser and the scanning assembly to scan the focal zone of the laser beam in a treatment scanning pattern to effect 3-dimensional patterned laser cutting of the crystalline lens within the lens fragmentation cutting region into a plurality of segments or pieces for subsequent removal,wherein positioning of the focal zone is guided by the control system based on the image data. 11. The system of claim 10, wherein the imaging device is an optical coherence tomography system. 12. The system of claim 10, wherein the lens fragmentation treatment region does not transect the posterior capsule. 13. The system of claim 10, wherein all scanning of the focal zone occurs anterior to the posterior capsule. 14. The system of claim 10, further comprising a user interface, under operative control of the controller, configure to receive user input comprising one or more parameters used in scanning the eye tissue. 15. The system of claim 10, wherein the imaging device comprises at least one of a camera, an interferometer, a time domain optical coherence tomography system, a frequency domain optical tomography system, a confocal microscope, and a scanning confocal microscope. 16. The system of claim 15, wherein the imaging device is a camera. 17. The system of claim 10, wherein the scanning pattern is selected from the group consisting of: two or more intersecting straight lines, a crosshatched pattern comprising two or more sets of intersecting lines, one or more curved lines, a circular line, two or more concentric circular lines, and one or more spiral-shaped lines. 18. The system of claim 11, wherein the lens is fragmented into segments that can be removed through a lumen of an ophthalmic aspiration probe.
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