[특허]Medical intravenous administration line connectors

Medical intravenous administration line connectors 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-005/00
출원번호	US-0171918 (1993-12-22)
발명자 / 주소	Ryan Dana W. (Davie FL)
출원인 / 주소	Symbiosis Corporation (Miami FL 02)
인용정보	피인용 횟수 : 119 인용 특허 : 0

초록 ▼

A needleless IV quick-connect/disconnect assembly includes a first cylindrical member having a female luer, a resilient valve member having stem, a sealing surface, and a base, and a second cylindrical member having a fluid coupling extending from one end and an internal valve member support. The cylindrical members are sized so that the first cylindrical member fits snugly inside the second cylindrical member. A pair of radial ramped protrusions extend from the outer surface of the first cylindrical member and a pair of radial openings are provided in the second cylindrical member. In assembly, with the valve member stem in the female luer, the first cylindrical member is inserted into the second cylindrical member until the radial ramped protrusions engage the radial openings and the valve member base is engaged by the valve member support. When assembled, the valve stem extends into the female luer from inside the first cylindrical member and the valve member base biases the sealing ring against an annular ring in the first cylindrical member thereby blocking fluid communication. Coupling a male luer to the female luer of the assembly opens the valve for fluid flow through the assembly, while uncoupling the male luer from the female luer closes the valve and prevents fluid flow therethrough.

대표청구항 ▼

A fluid line connection assembly for coupling to and uncoupling from a first fluid pathway which terminates in a first male luer, the fluid line connection assembly comprising: a) a first coupling member having a first female luer at a first end of said first coupling member and an open first cylindrical chamber at a second end of said first coupling member in fluid communication with said first female luer, said first coupling member having first coupling means, said first cylindrical chamber having a flared inner surface portion; b) a valve member having a stem, an integral resilient base, and a sealing surface between said stem and said resilient base, said valve member disposed in said first coupling member with said stem extending into said first female luer; and c) a second coupling member having an open second cylindrical chamber, a first fluid coupling member in fluid communication with one of said first cylindrical chamber and said second cylindrical chamber, a second coupling means for mating with said first coupling means, and a valve member support, said second cylindrical chamber having a sealing cylinder portion between said valve member support and said first fluid coupling member; said second coupling member being coupled to said first coupling member when said first coupling means and said second coupling means are mated, with said valve member support supporting said integral resilient base of said valve member such that said sealing surface of said valve member is biased against said first female luer thereby blocking fluid communication between said female luer and said first cylindrical chamber, and with said flared inner surface portion embracing said sealing cylinder portion and forming a fluid-tight seal therebetween, wherein upon coupling the first male luer to said first female luer, the first male luer engages said stem and moves said valve member compressing said resilient base to move said sealing surface away from said female luer, thereby opening fluid communication between said female luer and said first cylindrical chamber, and upon uncoupling the first male luer from said first female luer, the first male luer disengages said stem and said resilient base moves said valve member towards said female luer such that said sealing surface contacts said female luer and blocks fluid communication between said female luer and said first cylindrical chamber.

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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

Medical intravenous administration line connectors 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (119)

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연합인증

Medical intravenous administration line connectors 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (119)

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

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