Customized laser epithelial ablation systems and methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-018/20
A01J-005/04
G01N-033/04
G01N-001/10
출원번호
US-0048353
(2016-02-19)
등록번호
US-9402366
(2016-08-02)
발명자
/ 주소
Holliday, Keith
Arnoldussen, Mark E.
출원인 / 주소
AMO Development, LLC
대리인 / 주소
Abbott Medical Optics Inc.
인용정보
피인용 횟수 :
0인용 특허 :
68
초록▼
Systems and methods to treat a region of a cornea of an eye having an epithelial layer disposed over a stromal layer. The system comprises a device to map a thickness of the epithelial layer over the region of the cornea to generate a map of epithelial thickness over the region, and a laser to gener
Systems and methods to treat a region of a cornea of an eye having an epithelial layer disposed over a stromal layer. The system comprises a device to map a thickness of the epithelial layer over the region of the cornea to generate a map of epithelial thickness over the region, and a laser to generate a laser beam of an ablative radiation. A movable scan component is coupled to the laser to scan the laser beam over the region. A processor system is coupled to the laser and the movable scan component, and the processor system is configured to arrange pulses of laser beam to ablate the epithelial layer of the region in response to the map of epithelial thickness.
대표청구항▼
1. A method for treating an eye of a patient using a laser, the eye having an epithelial layer and a stromal layer, the method comprising: receiving, at a processor system, a refractive optical property of the eye;receiving, at the processor system, an epithelial thickness map of the eye;receiving,
1. A method for treating an eye of a patient using a laser, the eye having an epithelial layer and a stromal layer, the method comprising: receiving, at a processor system, a refractive optical property of the eye;receiving, at the processor system, an epithelial thickness map of the eye;receiving, at the processor system, an epithelial basis data corresponding to an epithelial laser pulse ablation profile for a first individual laser beam pulse;receiving, at the processor system, a stromal basis data corresponding to a stromal laser pulse ablation profile for a second individual laser beam pulse; andexecuting, using the processor system, computer executable code stored on a non-transitory computer readable medium, the computer executable code comprising instructions for the laser to ablate the epithelial layer with an epithelial arrangement of laser beam pulses, the epithelial arrangement comprising the first individual laser pulse corresponding to the epithelial basis data and to ablate the stromal layer with a stromal arrangement of laser beam pulses, the stromal arrangement comprising the second individual laser pulse corresponding to the stromal basis data, the instructions based on the refractive optical property of the eye and the epithelial thickness map of the eye, thereby treating the eye of the patient using the laser,wherein the stromal laser pulse ablation profile has an inner portion flat curvature and the epithelial laser pulse ablation profile has an inner portion flat curvature that is sized differently than the inner portion flat curvature of the stromal laser pulse ablation profile, orwherein the stromal laser pulse ablation profile has an inner portion convex curvature and the epithelial laser pulse ablation profile has an inner portion convex curvature that is sized differently than the inner portion convex curvature of the stromal laser pulse ablation profile. 2. The method according to claim 1, wherein the stromal laser pulse ablation profile has the inner portion flat curvature and the epithelial laser pulse ablation profile has the inner portion flat curvature that is sized differently than the inner portion flat curvature of the stromal laser pulse ablation profile. 3. The method according to claim 1, wherein the stromal laser pulse ablation profile has the inner portion convex curvature and the epithelial laser pulse ablation profile has the inner portion convex curvature that is sized differently than the inner portion convex curvature of the stromal laser pulse ablation profile. 4. The method according to claim 1, wherein the stromal laser pulse ablation profile is different in depth from the epithelial laser pulse ablation profile. 5. The method according to claim 1, wherein the stromal laser pulse ablation profile is different in size from the epithelial laser pulse ablation profile. 6. The method according to claim 1, wherein the stromal laser pulse ablation profile and the epithelial laser pulse ablation profile have the same beam diameter. 7. The method according to claim 1, wherein the stromal laser pulse ablation profile has a central depth of ablation and the epithelial laser pulse ablation profile has a central depth of ablation that is different from the central depth of ablation of the stromal laser pulse ablation profile. 8. A method for treating an eye of a patient using a laser, the eye having an epithelial layer and a Bowman's layer, the method comprising: receiving, at a processor system, a refractive optical property of the eye;receiving, at the processor system, an epithelial thickness map of the eye;receiving, at the processor system, an epithelial basis data corresponding to an epithelial laser pulse ablation profile for a first individual laser beam pulse;receiving, at the processor system, a Bowman's basis data corresponding to a Bowman's laser pulse ablation profile for a second individual laser beam pulse; andexecuting, using the processor system, computer executable code stored on a non-transitory computer readable medium, the computer executable code comprising instructions for the laser to ablate the epithelial layer with an epithelial arrangement of laser beam pulses, the epithelial arrangement comprising the first individual laser pulse corresponding to the epithelial basis data and to ablate the Bowman's layer with a Bowman's arrangement of laser beam pulses, the Bowman's arrangement comprising the second individual laser pulse corresponding to the Bowman's basis data, the instructions based on the refractive optical property of the eye and the epithelial thickness map of the eye, thereby treating the eye of the patient using the laser,wherein the Bowman's laser pulse ablation profile has an inner portion flat curvature and the epithelial laser pulse ablation profile has an inner portion flat curvature that is sized differently than the inner portion flat curvature of the Bowman's laser pulse ablation profile, orwherein the Bowman's laser pulse ablation profile has an inner portion convex curvature and the epithelial laser pulse ablation profile has an inner portion convex curvature that is sized differently than the inner portion convex curvature of the Bowman's laser pulse ablation profile. 9. The method according to claim 8, wherein the Bowman's laser pulse ablation profile has the inner portion flat curvature and the epithelial laser pulse ablation profile has the inner portion flat curvature that is sized differently than the inner portion flat curvature of the Bowman's laser pulse ablation profile. 10. The method according to claim 8, wherein the Bowman's laser pulse ablation profile has the inner portion convex curvature and the epithelial laser pulse ablation profile has the inner portion convex curvature that is sized differently than the inner portion convex curvature of the Bowman's laser pulse ablation profile. 11. The method according to claim 8, wherein the Bowman's laser pulse ablation profile is different in depth from the epithelial laser pulse ablation profile. 12. The method according to claim 8, wherein the Bowman's laser pulse ablation profile is different in size from the epithelial laser pulse ablation profile. 13. The method according to claim 8, wherein the Bowman's laser pulse ablation profile and the epithelial laser pulse ablation profile have the same beam diameter. 14. The method according to claim 8, wherein the Bowman's laser pulse ablation profile has a central depth of ablation and the epithelial laser pulse ablation profile has a central depth of ablation that is different from the central depth of ablation of the Bowman's laser pulse ablation profile. 15. A method for treating an eye of a patient using a laser, the eye having a stromal layer and a Bowman's layer, the method comprising: receiving, at a processor system, a refractive optical property of the eye;receiving, at the processor system, an epithelial thickness map of the eye;receiving, at the processor system, a Bowman's basis data corresponding to a Bowman's laser pulse ablation profile for a first individual laser beam pulse;receiving, at the processor system, a stromal basis data corresponding to a stromal laser pulse ablation profile for a second individual laser beam pulse; andexecuting, using the processor system, computer executable code stored on a non-transitory computer readable medium, the computer executable code comprising instructions for the laser to ablate the Bowman's layer with a Bowman's arrangement of laser beam pulses, the Bowman's arrangement comprising the first individual laser pulse corresponding to the Bowman's basis data and to ablate the stromal layer with a stromal arrangement of laser beam pulses, the stromal arrangement comprising the second individual laser pulse corresponding to the stromal basis data, the instructions based on the refractive optical property of the eye and the epithelial thickness map of the eye, thereby treating the eye of the patient using the laser,wherein the stromal laser pulse ablation profile has an inner portion flat curvature and the Bowman's laser pulse ablation profile has an inner portion flat curvature that is sized differently than the inner portion flat curvature of the stromal laser pulse ablation profile, orwherein the stromal laser pulse ablation profile has an inner portion convex curvature and the Bowman's laser pulse ablation profile has an inner portion convex curvature that is sized differently than the inner portion convex curvature of the stromal laser pulse ablation profile. 16. The method according to claim 15, wherein the stromal laser pulse ablation profile has the inner portion flat curvature and the Bowman's laser pulse ablation profile has the inner portion flat curvature that is sized differently than the inner portion flat curvature of the stromal laser pulse ablation profile. 17. The method according to claim 15, wherein the stromal laser pulse ablation profile has the inner portion convex curvature and the Bowman's laser pulse ablation profile has the inner portion convex curvature that is sized differently than the inner portion convex curvature of the stromal laser pulse ablation profile. 18. The method according to claim 15, wherein the stromal laser pulse ablation profile is different in depth from the Bowman's laser pulse ablation profile. 19. The method according to claim 15, wherein the stromal laser pulse ablation profile is different in size from the Bowman's laser pulse ablation profile. 20. The method according to claim 15, wherein the stromal laser pulse ablation profile and the Bowman's laser pulse ablation profile have the same beam diameter. 21. The method according to claim 15, wherein the stromal laser pulse ablation profile has a central depth of ablation and the Bowman's laser pulse ablation profile has a central depth of ablation that is different from the central depth of ablation of the stromal laser pulse ablation profile.
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