[특허]Spectral division of reflected light in complex optical diagnostic and therapeutic systems

Spectral division of reflected light in complex optical diagnostic and therapeutic systems 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-003/14
출원번호	US-0523799 (1990-05-15)
발명자 / 주소	Sklar H. Alfred (San Francisco CA) Frank Alan M. (Livermore CA)
출원인 / 주소	Phoenix Laser Systems, Inc. (San Francisco CA 02)
인용정보	피인용 횟수 : 90 인용 특허 : 0

초록 ▼

A diagnostic system for support of laser ocular surgery, for example, solves a problem of competition for light which is often encountered when a series of different detectors are used to receive and detect features of a target reflecting an illuminating light beam. The intensity of an illuminating beam, particularly in eye surgery, is limited to a level above which damage to the eye can occur. In a system wherein a plurality of successive beam splitters are used, each reflecting a portion of the light intensity and transmitting the remaining light intensity, the series of detecting devices compete for adequate light intensity for the particular functions being served. The system of the invention solves this problem and increases the effective quantity of light useful from a given input intensity by dividing the light spectrally after its reflection from the eye, thereby making use of a different spectral range of the light at each of the plurality of different detecting devices.

대표청구항 ▼

In an optical diagnostic system for ocular analysis in real time, including a plurality of sensors receiving reflected light from a patient\s eye for diagnostic purposes, the improvement comprising, illumination means for sending toward the eye an illuminating light beam, the illumination means including means for emitting an illuminating light beam with specifically enhanced spectral portions such that the spectral distribution of the light beam does not follow the typical Gaussian distribution of white light, at least one beam splitter positioned in a path of reflected light from the eye, so as to receive light from the illuminating light beam as reflected from optical surfaces in the eye, back toward said one beam splitter, first coating means on at least the first beam splitter in the path of the reflected light, for reflecting off the path substantially all light within a first preselected wavelength range, and said first beam splitter having means for transmitting substantially all of the remaining wavelengths of the reflected light, and a plurality of detecting optical devices each positioned to receive a portion of the reflected light from the eye, as divided by at least said one beam splitter in the plurality of successive beam splitter, whereby a substantially greater portion of the spectrum of light in the reflected light from the eye is used for diagnostic purposes on the detecting equipment than would otherwise be available without spectrally dividing the reflected light, thereby enabling the intensity of the illuminating light beam to be minimized.

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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

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연합인증

Spectral division of reflected light in complex optical diagnostic and therapeutic systems 원문보기

초록 ▼

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연구과제 타임라인

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Spectral division of reflected light in complex optical diagnostic and therapeutic systems 원문보기

초록 ▼

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연구과제 타임라인

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