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특허 상세정보

Method and arrangement for determining the location of a catheter within an animal body

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61B-005/00   
미국특허분류(USC) 600/424
출원번호 US-0257255 (1999-02-25)
우선권정보 SE0001006 (1998-03-25)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Hill & Simpson
인용정보 피인용 횟수 : 56  인용 특허 : 3
초록

A catheter arrangement has an active catheter, positionable in a vessel or organ of an animal, having at least one transducer disposed proximal the catheter tip; and a fixed catheter, also positionable within the animal in the vicinity of the active catheter, carrying a number of reference transducers. A signal processing unit is arranged to selectively operate the transducers to send and receive signals between the active and fixed catheters. The signal processing unit operates to calculate from the received signals at least two independent locations of...

대표
청구항

[ I claim as my invention:] [1.]1. A method for determining a location of a catheter in an animal body, comprising the steps of:providing a plurality of reference cites in a body;measuring a distance between a catheter and said plurality of reference cites, thereby obtaining a plurality of measured distances;making at least two independent calculations of a location of said catheter from said measured distances using triangulation;associating respective error values with said at least two independent calculations;assigning respective weighting values to ...

이 특허를 인용한 특허 피인용횟수: 56

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