[특허]Ophthalmological device and ophthalmological measuring method

Ophthalmological device and ophthalmological measuring method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-003/14
출원번호	US-0282575 (2006-03-16)
등록번호	US7959289 (2011-05-31)
국제출원번호	PCT/CH2006/000153 (2006-03-16)
§371/§102 date	20090304 (20090304)
국제공개번호	WO07/104166 (2007-09-20)
발명자 / 주소	Cattin-Liebl, Roger
출원인 / 주소	SIS AG, Surgical Instrument Systems
대리인 / 주소	Ostrolenk Faber LLP
인용정보	피인용 횟수 : 19 인용 특허 : 0

초록 ▼

An opthalmologic device and an opthalmologic measuring method in accordance with an embodiment of the present application in which, cross-sectional images of cross-sectional portions illuminated from different instrument positions by a light projector are captured in Scheimpflug configuration. Furthermore, corresponding top view images are also captured from the different instrument positions. At least one reference section and at least one comparative section are extracted from an initial instrument position or from an advanced instrument position, respectively. The displacement between the reference section and the comparative section is determined and the cross-sectional images are positioned relative to one another, based on the displacement. A coherent examination of the entire eye is made possible in which the relative movements of the eye with respect to the device, particularly rotational movements, are taken into consideration.

대표청구항 ▼

What is claimed is: 1. An ophthalmological device, comprising:a light projector configured to project a beam of rays through a cross-sectional portion of an eye;first image-capturing means disposed in Scheimpflug configuration with respect to the beam of rays and configured to capture in a first instrument position a cross-sectional image of at least a sub-area of the cross-sectional portion, illuminated by the light projector;a motion driver configured to move the first image-capturing means to a second instrument position, at which second instrument position the first image-capturing means are disposed in Scheimpflug configuration with respect to the beam of rays;second image-capturing means configured to capture a first top view image of at least part of the eye, while capturing the cross-sectional image in the first instrument position, and a second top view image of at least part of the eye, while capturing the cross-sectional image in the second instrument position, the second image-capturing means being linked to and moved by the motion driver;an extraction module configured to extract at least one reference section from the first top view image, and to extract at least one comparative section from the second top view image in a location obtained through a reverse transformation to compensate for movement of the second image-capturing means by the motion driver;a measurement module configured to determine a displacement between the reference section extracted from the first top view image and the comparative section extracted from the second top view image; anda positioning module configured to position relative to each other cross-sectional images, captured in the first instrument position and the second instrument position, based on the displacement determined between the reference section extracted from the first top view image and the comparative section extracted from the second top view image.

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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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Ophthalmological device and ophthalmological measuring method 원문보기

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Ophthalmological device and ophthalmological measuring method 원문보기

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