[특허]Laser surgical method of sculpting a patient\\s cornea and associated intermediate controlling mask

Laser surgical method of sculpting a patient\\s cornea and associated intermediate controlling mask 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61N-005/06
출원번호	US-0143087 (1993-10-26)
발명자 / 주소	Khoobehi Bahram (5024 Cleveland Pl. Metairie LA 70003) Klyce Stephen D. (2858 Cheser St. New Orleans LA 70115) McDonald Marguerite B. (2858 Cheser St. New Orleans LA 70115) Shaibani Sanan B. (1500 W.
인용정보	피인용 횟수 : 40 인용 특허 : 0

초록 ▼

A laser (e.g., excimer laser) and masking apparatus performs controlled sculpting of eye surfaces, such as corneal surfaces. The masking system includes a single/multi-layer (e.g., metallic) coated substrate (e.g., fused silica) with multiple openings in the substrate of desired size, shape and spacing to control the power transmission of a laser used in conjunction with the mask. The power transmission is controlled through the use of diffraction and absorption. The power transmission can be attuned to a particular surface by using topographical information of the surface in question. The surgeon can observe the topographical information and then pattern the openings (size, number, shape, spacing) so that reshaping can be done with greater intensity (using larger or more openings) to remove more corneal tissue in areas that the surgeon feels need more reshaping. Areas that need less reshaping can be masked complete by not placing holes or openings in that area of the mask, or by placing fewer or smaller openings.

대표청구항 ▼

A method of reprofiling the surface of a patient\s cornea comprising the steps of: a) locating a laser means relative to the surface of the patient\s cornea, the laser means being operable to deliver laser radiation to the surface of the patient\s cornea; b) placing a mask between the laser and the surface of the patient\s cornea, the mask including a matrix of varying size holes for diffracting the laser beam; c) irradiating the mask whereby a portion of the radiation is selectively diffracted by the mask, wherein the mask comprises a mesh having a matrix of varying size holes spaced over a selected area of the mask; and d) wherein in step “c”the laser beam simultaneously hits the matrix of holes.

이 특허를 인용한 특허 (40)

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Steinert Roger F., Epithelium removal.
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Myers, Raymond I, Laser methods for creating an antioxidant sink in the crystalline lens for the maintenance of eye health and physiology and slowing presbyopia development.
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Myers, Raymond I, Laser methods for creating an antioxidant sink in the crystalline lens for the maintenance of eye health and physiology and slowing presbyopia development.
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Myers, Raymond I., Lenticular refractive surgery of presbyopia, other refractive errors, and cataract retardation.
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Frey, Rudolph W.; Bott, Steven E.; Porter, Gerrit N., Liquid filled index matching device for ophthalmic laser procedures.
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Herekar Satish V. ; Woodward Benjamin W., Method and apparatus for exposing a human eye to a controlled pattern of radiation.
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Frey, Rudolph W.; Gray, Gary P., Method and system for removal and replacement of lens material from the lens of an eye.
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Vladimir Lemberg, Method and system for scanning non-overlapping patterns of laser energy with diffractive optics.
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Odrich Marc ; Greenberg Kenneth ; Legerton Jerome A. ; Munnerlyn Charles R. ; Shimmick John K., Method and systems for laser treatment of presbyopia using offset imaging.
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Odrich, Marc; Greenberg, Kenneth; Legerton, Jerome A.; Munnerlyn, Charles R.; Shimmick, John K., Method and systems for laser treatment of presbyopia using offset imaging.
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Nielsen James M., Multifocal corneal sculpturing.
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Frey, Rudolph W.; Gray, Gary P.; Kuszak, Jerome R., System and method for improving the accommodative amplitude and increasing the refractive power of the human lens with a laser.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Laser surgical method of sculpting a patient\\s cornea and associated intermediate controlling mask 원문보기

초록 ▼

대표청구항 ▼

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Laser surgical method of sculpting a patient\\s cornea and associated intermediate controlling mask 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (40)

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