[특허]Position measuring device for endoscope

Position measuring device for endoscope 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-001/04
출원번호	US-0983245 (1992-11-30)
우선권정보	JP-0004431 (1991-01-14)
발명자 / 주소	Hatano Tadashi (2-96-1 Syuri-ishimine Naha-shi Okinawa-ken JPX)
인용정보	피인용 횟수 : 96 인용 특허 : 0

초록 ▼

A plurality of arms are successively connected to a fixed arm so that the free end of the connected arms is movable three-dimensionally, a direct-access endoscope is attached to the three-dimensionally movable free end of the arms, and angle sensors are provided in the individual arm joints. Changes in angles between the individual arms due to the movement of the front end of the direct-access endoscope are sensed by the angle sensors, and the size and position of the object are numerically determined according to the changes.

대표청구항 ▼

A method for measuring the size and/or position of an object within a body cavity, comprising (A) providing a fixed arm; (B) providing a plurality of movable arms successively connected to one another through respective arm joints, each of said movable arms having a predetermined length, said plurality of successively connected arms having a fixation end and a free end, said fixation end connected to said fixed arm through a joint, said arm joints and said joint each comprising a pivot permitting relative rotation of the arms connected thereto about an axis, each said axis of each said pivot being either a vertical axis or a horizontal axis, at least one of said arm joints and said joint being a pivot permitting relative rotation about a vertical axis, at least one of said arm joints and said joint being a pivot permitting relative rotation about a horizontal axis; (C) fixedly connecting a direct-access endoscope, having a front end, to said free end of said plurality of successively connected arms with said front end of said endoscope at a predetermined distance from said free end of said plurality of successively connected arms; (D) providing a plurality of angle measuring devices, each angle measuring device operatively associated with a respective one of said arm joints and said joint, for measuring the angle of relative rotation at each of said arm joints and said joint; (E) inserting the front end of said endoscope into a body cavity of a patient; (F) bringing the front end of said endoscope into contact with a portion of an object within said body cavity; (G) calculating a three dimensional coordinate position of said front end, relative to said fixed arm, utilizing said predetermined distance of said front end from said free end, said predetermined lengths of said successively connected arms and said angles of relative rotation at each of said arm joints and said joint; (H) bringing the front end of said endoscope into contact with a different portion of said object within said body cavity; (I) calculating a three dimensional coordinate position of said front end, relative to said fixed arm, utilizing said predetermined distance of said front end from said free end, said predetermined lengths of said successively connected arms and said angles of relative rotation at each of said arm joints and said joint; (J) repeating steps (H) and (I) to establish the size and position of said object within said body cavity.

이 특허를 인용한 특허 (96)

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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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Position measuring device for endoscope 원문보기

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이 특허를 인용한 특허 (96)

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Position measuring device for endoscope 원문보기

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대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (96)

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