公开(公告)号：US20190350756A1

公开(公告)日：2019-11-21

申请号：US16522541

申请日：2019-07-25

Applicant: AMO DEVELOPMENT, LLC

Inventor： Anthony W. Dennison ,  Michael A. Campos ,  Hong Fu

IPC: A61F9/008

Abstract: Some embodiments disclosed here provide for a method fragmenting a cataractous lens of a patient's eye using an ultra-short pulsed laser. The method can include determining, within a lens of a patient's eye, a high NA zone where a cone angle of a laser beam with a high numerical aperture is not shadowed by the iris, and a low NA zone radially closer to the iris where the cone angle of the laser beam with a low numerical aperture is not shadowed by the iris. Laser lens fragmentation is accomplished by delivering the laser beam with the high numerical aperture to the high NA zone, and the laser beam with the low numerical aperture to the low NA zone. This can result in a more effective fragmentation of a nucleus of the lens without exposing the retina to radiation above safety standards.

公开(公告)号：US09861527B2

公开(公告)日：2018-01-09

申请号：US14157047

申请日：2014-01-16

Applicant: AMO Development, LLC.

Inventor： Hong Fu ,  John M. Tamkin

IPC: A61F9/00 ,  A61F9/008

CPC classification number: A61F9/0084 ,  A61F9/00827 ,  A61F9/00836 ,  A61F2009/0087 ,  A61F2009/00889 ,  A61F2009/00897

Abstract: A method and apparatus for performing ophthalmic laser surgery using a pulsed laser beam is provided. The method includes establishing an initial cutting pattern comprising a plurality of original photodisruption points, establishing an enhanced cutting pattern comprising a plurality of enhanced photodisruption points selected to decrease potential adverse effects due to patient movement and having increased density over a fixed area as compared with the plurality of original photodisruption points, and performing an ocular surgical procedure according to the enhanced cutting pattern. Enhanced cutting patterns may include circular cuts around the periphery of a capsule, vertical side cuts for lens fragmentation, raster lamellar cuts, and grid lamellar cuts. Each photodisruption point in the initial cutting pattern and the enhanced cutting pattern comprises a laser target point.

公开(公告)号：US20160067095A1

公开(公告)日：2016-03-10

申请号：US14848733

申请日：2015-09-09

Applicant: AMO Development, LLC

Inventor： Hong Fu ,  Patrick De Guzman ,  Robert Heitel ,  Alireza Malek Tabrizi

IPC: A61F9/008

CPC classification number: A61F9/00836 ,  A61F9/00825 ,  A61F2009/00844 ,  A61F2009/00872 ,  A61F2009/00897

Abstract: Embodiments of this invention generally relate to ophthalmic laser procedures and, more particularly, to systems and methods for creating synchronized three-dimensional laser incisions. In an embodiment, an ophthalmic surgical laser system comprises a laser delivery system for delivering a pulsed laser beam to a target in a subject's eye, an XY-scan device to deflect the pulsed laser beam, a Z-scan device to modify a depth of a focus of the pulsed laser beam, and a controller configured to synchronize an oscillation of the XY-scan device and an oscillation of the Z-device to form an angled three-dimensional laser tissue dissection.

Abstract translation: 本发明的实施例一般涉及眼科激光程序，更具体地，涉及用于产生同步三维激光切割的系统和方法。 在一个实施例中，眼科外科激光系统包括用于将脉冲激光束传送到受试者眼睛中的目标的激光递送系统，用于偏转脉冲激光束的XY扫描装置，Z扫描装置，以修改 脉冲激光束的焦点，以及被配置为使XY扫描装置的振荡与Z装置的振荡同步以形成成角度的三维激光组织剥离的控制器。

公开(公告)号：US20140218689A1

公开(公告)日：2014-08-07

申请号：US14146090

申请日：2014-01-02

Applicant: AMO Development, LLC.

Inventor： Robert Heitel ,  Hong Fu

IPC: A61B3/00

CPC classification number: A61F9/008 ,  A61F2009/00846

Abstract: The field of the invention relates to systems and methods for ophthalmic laser procedure and, more particularly, to systems and methods for dynamic fixation used in the fixation of the eye(s) of a patient during laser-assisted ophthalmic surgery and/or ophthalmic diagnostic and measurement systems where visualization and concentration on a target are desired. The invention generally enhances the alignment between the eye and a laser beam of a laser eye surgery system using visual fixation system and laser delivery optics. The visual fixation system allows a patient's eye(s) to be accurately focused at one or more fixation targets.

Abstract translation: 本发明的领域涉及用于眼科激光程序的系统和方法，更具体地，涉及用于在激光辅助眼科手术和/或眼科诊断期间固定患者眼睛的动态固定的系统和方法 以及需要对目标进行可视化和集中的测量系统。 本发明通常使用视觉固定系统和激光输送光学器件来增强眼睛与激光眼睛手术系统的激光束之间的对准。 视觉固定系统允许患者的眼睛精确地聚焦在一个或多个固定目标上。

公开(公告)号：US20240197532A1

公开(公告)日：2024-06-20

申请号：US18545930

申请日：2023-12-19

Applicant: AMO DEVELOPMENT, LLC

Inventor： Andrew Voorhees ,  Hong Fu ,  James Hill ,  Mohammad Saidur Rahaman ,  Wenzhi Gao ,  Brian Schwam ,  Paul Gray ,  Cynthia Villanueva ,  Deepali Mehta-Hurt ,  Jesse Nelson ,  Michal Laron

IPC: A61F9/008

CPC classification number: A61F9/008 ,  A61F2009/00842 ,  A61F2009/00872 ,  A61F2009/00897

Abstract: A method implemented in an ophthalmic surgical laser system that employs a resonant scanner, scan line rotator, and XY- and Z-scanners, for forming a corneal flap in a patient's eye with improved bubble management during each step of the flap creation process. A pocket cut is formed first below bed level, followed by the bed connected to the pocket cut, then by a side cut extending from the bed to the anterior corneal surface. The pocket cut includes a pocket region located below the bed level and a ramp region connecting the pocket region to the bed. The bed is formed by a bed cut, including multiple overlapping parallel raster scan passes, and a ring cut. The side cut is formed by multiple side-cut layers at different depths which are joined together. All cuts are formed by scanning a laser scan line generated by the resonant scanner.

公开(公告)号：US12005001B2

公开(公告)日：2024-06-11

申请号：US17445308

申请日：2021-08-17

Applicant: AMO Development, LLC

Inventor： Andrew Voorhees ,  Alireza Malek Tabrizi ,  Hong Fu ,  Cynthia Villanueva ,  Nima Khatibzadeh ,  Deepali Mehta-Hurt ,  James Hill ,  Li Chen ,  Li Bing

IPC: A61F9/008

CPC classification number: A61F9/00827 ,  A61F2009/00872 ,  A61F2009/00897

Abstract: In laser-assisted corneal lenticule extraction procedures, the lenticule incision profile includes anterior and posterior lenticule incisions, with one or more of the following features: plano transition zone outside the optical zone, to improve mating of anterior and posterior incision surfaces after lenticule extraction; shallow arcuate incisions above the anterior incision and near the lenticule edge, to improve surface mating; separate ring cut intersecting the anterior and posterior incisions in the transition zone, to reduce tissue bridges and minimize tear at the lenticule edges and facilitate easy lenticule extraction; larger posterior incision, which includes a pocket zone outside the lenticule edge, for better surface mating and bubble management during cutting; and a separate ring shaped pocket cut intersecting the pocket zone of the posterior incision, for bubble management. An entry cut can intersect either the pocket zone of the posterior incision or an entry extension zone of the anterior incision.

公开(公告)号：US11890231B2

公开(公告)日：2024-02-06

申请号：US17102431

申请日：2020-11-23

Applicant: AMO Development, LLC

Inventor： Paul Gray ,  Guangming Dai ,  Alireza Malek Tabrizi ,  Hong Fu

IPC: A61F9/008 ,  A61F9/007 ,  G06F30/23

CPC classification number: A61F9/00814 ,  A61F9/00763 ,  G06F30/23 ,  A61F2009/00844

Abstract: An ophthalmic surgical laser system includes a laser beam delivery system having multiple moving components for scanning a laser focal spot in a target eye tissue, where the motors that actuate some of the moving components are equipped with respective digital encoders that measure actual motor positions. A controller controls the laser beam delivery system to perform a treatment scan, while recording the actual motor positions from the encoders. Using the actual motor positions and a calibration relationship between actual motor positions and delivered laser focal spot positions in a target tissue, a laser cutting pattern is digitally reconstructed, which represents the incisions actually achieved by the treatment scan. The reconstructed laser cutting pattern may be visually inspected and further analyzed, e.g. to compare it to the intended laser cutting pattern used to execute the treatment scan, to calculate the achieved refractive correction, or to simulate tissue resetting.

公开(公告)号：US11865046B2

公开(公告)日：2024-01-09

申请号：US17813224

申请日：2022-07-18

Applicant: AMO Development, LLC

Inventor： Hong Fu ,  John M. Tamkin

IPC: A61F9/00 ,  A61F9/008

CPC classification number: A61F9/0084 ,  A61F9/00827 ,  A61F9/00836 ,  A61F2009/0087 ,  A61F2009/00889 ,  A61F2009/00897

Abstract: A method and apparatus for performing ophthalmic laser surgery using a pulsed laser beam is provided. The method includes establishing an initial cutting pattern comprising a plurality of original photodisruption points, establishing an enhanced cutting pattern comprising a plurality of enhanced photodisruption points selected to decrease potential adverse effects due to patient movement and having increased density over a fixed area as compared with the plurality of original photodisruption points, and performing an ocular surgical procedure according to the enhanced cutting pattern Enhanced cutting patterns may include circular cuts around the periphery of a capsule, vertical side cuts for lens fragmentation, raster lamellar cuts, and grid lamellar cuts. Each photodisruption point in the initial cutting pattern and the enhanced cutting pattern comprises a laser target point.

公开(公告)号：US11717443B2

公开(公告)日：2023-08-08

申请号：US16932671

申请日：2020-07-17

Applicant: AMO Development, LLC

Inventor： Hong Fu

IPC: A61F9/008 ,  A61F9/009

CPC classification number: A61F9/00814 ,  A61F9/009 ,  A61F9/00808 ,  A61F9/00827 ,  A61F9/00836 ,  A61F9/00838 ,  A61F2009/00872 ,  A61F2009/00895 ,  A61F2009/00897

Abstract: Embodiments of this invention generally relate to ophthalmic laser procedures and, more particularly, to systems and methods for photorefractive keratectomy. In an embodiment, an ophthalmic surgical laser system comprises a laser source generating a pulsed laser beam and a laser delivery system delivering the pulsed laser beam to a cornea of an eye. A patient interface couples to and constrains the eye relative to the laser delivery system. A controller controls the laser delivery system to perform an anterior surface volume dissection on the cornea.

公开(公告)号：US11540947B2

公开(公告)日：2023-01-03

申请号：US17062452

申请日：2020-10-02

Applicant: AMO DEVELOPMENT, LLC

Inventor： Alireza Malek Tabrizi ,  Hong Fu ,  James E. Hill ,  Zenon Witowski

IPC: A61F9/008

Abstract: An ophthalmic surgical laser system includes: a laser that produces a pulsed laser beam having a pulse energy and pulse repetition rate; a high frequency fast scanner; an XY-scan device; a Z-scan device; and a controller. The controller controls the high frequency scanner to produce a scan line having a scan width; controls the XY-scan device and the Z-scan device to carry out of first sweep of the scan line in a first sweep direction and to carry out a second sweep of the scan line in a second sweep direction that is not parallel to the first sweep direction thereby defining an overlap region. At least one of the pulse energy, repetition rate, XY-scan speed, and the scan width is varied so as to accelerate the cutting speed and reduce the exposure of ophthalmic tissue in the overlap region to multiple exposures of laser pulses configured to modify ophthalmic tissue.