[특허]Blood coagulation time test apparatus and method

Blood coagulation time test apparatus and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-021/03 G01N-033/86
출원번호	US-0988672 (1992-12-10)
발명자 / 주소	Cusack Robert (Edison NJ) Laduca Frank M. (East Brunswick NJ) Samo Robert J. (Lakewood NJ)
출원인 / 주소	ITC Corporation (Edison NJ 02)
인용정보	피인용 횟수 : 75 인용 특허 : 0

초록 ▼

An apparatus and method for performing a coagulation time test on a sample of blood wherein the blood is deposited in a fluid reservoir and disposable cuvette. Within the cuvette is formed a capillary conduit have at least one restricted region. The cuvette is inserted into a testing machine which engages the cuvette and draws blood from the fluid reservoir into the capillary conduit. The blood is then caused to reciprocally move within the capillary conduit whereby the blood is forced to traverse the restricted region. The testing machine measures the time required each time the blood is caused to traverse the restricted region. When a measured time is a predetermined percentage longer than an immediately preceding time, coagulation is considered to have occurred and the overall coagulation time is displayed to the operator.

대표청구항 ▼

An apparatus for performing a coagulation time test on a blood sample, comprising: fluid reservoir for retaining the blood sample, said fluid reservoir including a volume control means for isolating a predetermined volume of the blood sample for testing; conduit means extending from a distal end to a proximate end, wherein said distal end is coupled to said fluid reservoir, said conduit means having at least one restricted region between said distal end and said proximate end; driving means, coupled to said proximate end of said conduit means, for selectively altering air pressure within said conduit means, said driving means controlled so as to draw the predetermined volume of the blood sample into said conduit means from said fluid reservoir and causing the predetermined volume of the blood sample to reciprocally move within said conduit means back and forth between a first position on one side of said at least one restricted region and a second position on an opposite side of said at least one restricted region; a plurality of detection means for detecting the presence of the blood sample within said conduit means at said first position and said second position; and control means coupled to said plurality of detection means, said control means counting the time elapsed each time the blood sample moves between said first position and said second position, said control means providing an indication to an operator when a measured time is a predetermined percentage longer than a previous measured time, whereby said predetermined percentage is indicative of coagulation in the blood sample.

이 특허를 인용한 특허 (75)

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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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Blood coagulation time test apparatus and method 원문보기

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Blood coagulation time test apparatus and method 원문보기

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