[특허]System and method for providing laser shot patterns to the lens of an eye

LENSAR, LLC

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System and method for providing laser shot patterns to the lens of an eye

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-009/008
출원번호	US-0842870 (2010-07-23)
등록번호	US-9375349 (2016-06-28)
발명자 / 주소	Frey, Rudolph W. Bott, Steven E. Gray, Gary P.
출원인 / 주소	LENSAR, LLC
대리인 / 주소	Steptoe & Johnson LLP
인용정보	피인용 횟수 : 0 인용 특허 : 389

초록

There is provided a system, apparatus and methods for developing laser systems that can create precise predetermined shot patterns for providing areas of varying softness in the lens of an eye. These areas of varying softness may have shapes that correspond to instruments used to remove material from the lens of the eye. There is further provided a multiplicity of spheres pattern, which may provide for bubble formation which in turn lubricates the lens material for removal after sectioning.

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1. A method for providing laser shot patterns to the natural human lens of an eye for softening natural human lens material, the method comprising: a. providing a laser shot pattern, based-in-part on a density of a natural human lens, for changing the hardness of the natural human lens material, the shot pattern comprising a first pattern a second pattern, and a third pattern;b. the first pattern of the laser shot pattern having a different shot density from the second pattern of the laser shot pattern;c. delivering the first pattern to a first location of the natural human lens, the second pattern to a second location of the natural human lens, and the third pattern to a third location of the natural human lens, and wherein each location is a different location in the natural human lens; ande. wherein the first pattern creates a cut in the natural human lens material, and wherein the second and third shot patterns soften the natural human lens material at the second and third locations of the natural human lens. 2. The method of claim 1 wherein the cut is a planar cut. 3. The method of claim 2 wherein the cut is a plurality of radial planar cuts. 4. The method of claim 1 wherein the cut is an elliptical radial cut. 5. The method of claim 4 wherein the second pattern has a shot density and the third pattern has a shot density, and wherein the shot densities are essentially the same. 6. The method of claim 4 wherein the second pattern has a shot density and the third pattern has a shot density, and wherein the shot densities are different. 7. The method claim 1 wherein the second pattern has a shot density and the third pattern has a shot density, and wherein the shot densities are different. 8. The method of claim 1 wherein the second pattern has a shot density and the third pattern has a shot density, and wherein the shot densities are essentially the same. 9. The method of claim 1, wherein the first, the second or both shot patterns comprising a grid-like pattern for providing a multiplicity of substantially rectangular rods in a natural human lens of an eye, wherein the grid-like pattern consists essentially of consecutive rows containing an odd number of substantially rectangular rods. 10. The method of claim 9, wherein the first, the second or both shot patterns comprises a pattern for providing at least 5 substantially independent rods. 11. A method for differentially softening a natural human lens of an eye to assist in the removal and replacement of the natural human lens, the method comprising: a. determining a position in a natural human lens of an eye;b. delivering a laser shot pattern to the determined position of the natural human lens of an eye for changing the density of the natural human lens material, the pattern comprising a first area, a second area and a third area, wherein at least one of the areas is based-in-part on the determined position of the natural human lens;c. each of the first, second and third areas consisting essentially of a plurality of laser shots;d. at least two of the first, second and third areas having different densities of laser shots; and,e. thereby creating locations of differentially softened lens material, the locations of differentially softened lens material corresponding to at least two of the first, second and third laser shot pattern areas. 12. The method of claim 11 wherein the method comprises delivering a laser shot pattern for performing a capsulotomy. 13. The method of claim 11 wherein at least one of the first, second and third areas is shaped substantially similarly to a shape of an aspiration tube. 14. The method of claim 11 wherein a shape of the first area is based upon an aspiration tube. 15. The method of claim 11, wherein the first laser shot pattern area comprises a plurality of laser shots to create a plurality of radial cuts; and wherein the second shot pattern area comprises a plurality of laser shots to create a cylindrical cut. 16. A method for providing laser shot patterns to a natural human lens of an eye for differentially softening a natural human lens material, the method comprising: providing a therapeutic laser for producing a laser beam;delivering a laser shot pattern for sectioning a natural human lens material, the shot pattern comprising laser shots in an elliptical radial cut pattern;whereby an elliptical radial cut is made in the natural human lens;wherein the shot pattern comprises a grid-like pattern for providing a multiplicity of substantially cylindrical tubular rods defining a diameter in a natural human lens of the eye, and wherein the diameter of the substantially cylindrical tubal rods is a most a size of an opening of an aspiration tube used to remove material from the natural human lens; andwherein the grid-like pattern comprises consecutive rows containing an odd number of substantially cylindrical tubular rods. 17. The method of claim 16, wherein adjoining rows of the consecutive rows have different numbers of substantially cylindrical tubular rods. 18. The method of claim 16, comprising removing material from the substantially cylindrical tubular rods. 19. The method of claim 16 wherein elliptical radial cut pattern comprises a plurality of elliptical radial cuts having a common axis and wherein a second laser shot pattern is delivered to the natural human crystalline lens material, whereby the second shot pattern softens the natural human lens material. 20. A method for providing a laser beam shot pattern to an eye for safer and easier initial aspiration of lens material from the eye, the method comprising: a. providing a laser for providing a laser beam, the laser having a controller, the controller having associated with it a shot pattern;b. the controller having information about a structure of a natural human lens;c. the shot pattern comprising a pattern for changing a density of a first area and a second area of the natural human lens based-in-part on the information about the structure of the natural human lens;d. delivering the shot pattern to a lens of an eye thereby changing density of the first area and the second areas; wherein the density of the first area is different from the density of the second area and wherein the first area has a shape corresponding to an aspiration needle used for removal of the natural human lens. 21. The method of claim 20 wherein in the controller has associated with it a capsulotomy shot pattern. 22. The method of claim 20, wherein the laser shot pattern comprises a plurality of laser shots to create a plurality of radial cuts. 23. A method for providing a laser beam shot pattern to a natural human lens of an eye, the method comprising: a. providing a laser for providing a laser beam;b. the laser having a controller having associated with it, the controller having a shot pattern associated with it; and,c. the shot pattern comprising a location and sequence of laser shots for providing a multiplicity of spheres in a lens of an eye, spaced between a plurality of elliptical coaxial radial cuts. 24. A method for delivering laser shot patterns to section a natural human lens of an eye for softening and lubricating sections of the natural human lens material, the method comprising: providing a therapeutic laser for producing a laser beam;delivering a laser shot pattern for performing a capsulotomy;delivering a laser shot pattern for sectioning a natural human lens of the eye; i. the laser shot pattern consisting essentially of a plurality of spheres;ii. the laser shot pattern comprising a first area and a second area;iii. the first area of the laser shot pattern having a different shot and/or cut density from the second area of the laser shot pattern; and,e. the delivered laser shot pattern sectioning the natural human lens and creating lubricity between the sections in the natural human lens.

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System and method for providing laser shot patterns to the lens of an eye

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System and method for providing laser shot patterns to the lens of an eye

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