[특허]Valved PRN adapter for infusion devices

Valved PRN adapter for infusion devices 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-037/28
출원번호	US-0288171 (1994-08-10)
발명자 / 주소	Purdy E. Robert (Fruit Heights UT) Crawford Mark A. (Sandy UT) Erskine Timothy J. (Salt Lake City UT) Peterson Gerald H. (Salt Lake City UT)
출원인 / 주소	Becton, Dickinson and Company (Franklin Lakes NJ 02)
인용정보	피인용 횟수 : 90 인용 특허 : 0

초록 ▼

A valved adapter for a medical access device includes a body with a longitudinal axis. The body has a proximal first end, a distal second end and a passageway therethrough which has an inside surface. The passageway has a chamber defined by a proximal shoulder and a segmented distal shoulder both projecting inwardly from the surface of the passageway. The chamber is located intermediate the first end and second end of the body. The adapter includes a valve contained within the chamber for selectively obstructing and allowing fluid flow through the passageway. The valve includes an elongate resilient member with an axis substantially coaxial to the longitudinal axis of the body having a proximal end and a distal end. The elongate resilient member is axially compressed between the distal shoulder and the proximal shoulder, the compression biasing the valve to a normally closed position. The proximal end of the resilient member forms a substantially fluid tight seal with the proximal shoulder which obstructs fluid flow through the passageway. The adapter further includes a pusher for selectively further axially compressing the resilient member so that the proximal end of the adapter no longer forms a fluid tight seal with the proximal shoulder thereby allowing fluid flow through the passageway. The adapter includes fittings for attaching the adapter to a medical access device and for attaching fluid delivery devices to the adapter.

대표청구항 ▼

A method for assembling a valved adapter for a medical access device comprising: providing a substantially cylindrical body with a longitudinal axis having a proximal first end with a female luer fitting, a distal second end with a male luer fitting and a passageway having an inside surface therethrough, said passageway having a chamber defined by a proximal shoulder projecting inwardly from said surface of said passageway and a segmented distal shoulder projecting inwardly from said surface of said passageway, said distal shoulder having openings therethrough between said segments, said chamber being intermediate said first end and said second end, said body comprising a distal part and a proximal part having parting line transverse said longitudinal axis located intermediate said annular shoulders; providing a valve for containment within said chamber for selectively obstructing and allowing fluid flow through said passageway, said valve comprising an elongate resilient member having an axis substantially coaxial to said longitudinal axis of said body and having a distal end and a proximal end, said resilient member being axially compressed between said proximal shoulder and said distal shoulder, said compression of said resilient member biasing said valve to a normally closed position wherein said proximal end of said resilient member forms a fluid tight seal with said proximal shoulder thereby obstructing fluid flow through said passageway; providing a pusher for selectively further compressing said elongate resilient member so that said proximal end of said resilient member no longer forms said fluid tight seal with said proximal shoulder thereby allowing fluid flow through said passageway, said pusher including a proximal extension; placing said elongate resilient member in said distal part so that said distal end of said elongate resilient member is in contact with said segmented distal shoulder and said resilient member axis is substantially coaxial with said body axis; placing said pusher in said elongate resilient member so that said proximal extension of said pusher extends proximally from said resilient member; placing said proximal part of said body on said distal part of said body so that said proximal end of said elongate resilient member contacts said proximal shoulder, with said proximal extension of said pusher means extending into said proximal part thereby containing said elongate resilient member within said chamber and compressing said elongate resilient member; and fixedly attaching said proximal part on said distal part of said body thereby forming said valved adapter.

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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

Valved PRN adapter for infusion devices 원문보기

초록 ▼

대표청구항 ▼

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이 특허를 인용한 특허 (90)

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연합인증

Valved PRN adapter for infusion devices 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (90)

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