[특허]Needleless access stopper

Needleless access stopper 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-039/00 B65D-041/20
출원번호	US-0312004 (1994-09-23)
발명자 / 주소	Yatsko Thomas (Royersford PA) Olivas Jerome D. (Phoenixville PA) Vander Bush Edward F. (Downingtown PA) Conard William A. (Harleysville PA) Jepson Steven C. (Palatine IL) Dudar Thomas E. (Palatine IL
출원인 / 주소	The West Company, Incorporated (Lionville PA 02)
인용정보	피인용 횟수 : 140 인용 특허 : 0

초록 ▼

Disclosed is a stopper for use with containers to provide needleless access to the container with a cannula having a blunt penetrating tip. Also disclosed is a system comprising the stopper, container and cannula. The stopper includes a disc having an upper face and a lower face, and a plug extending from the disc into the container. Also included is a diaphragm, defined by a target region in the upper face and a cross channel in the disc for controlling the force needed to penetrate the stopper with the cannula. The plug includes a first inward surface for guiding the cannula and a second inward surface for engaging the cannula to minimize wetting of the outside of the cannula. In a preferred embodiment, the first surface extends down from the cross channel on the lower side of the disc, radially outwardly to a maximum diameter and the second inwardly facing surface extends down from the first surface radially inwardly to a minimum diameter to form the cannula seal. Also shown is a centrally located piercing point positioned to pre-slit the diaphragm. An overcap may be provided to alternatively have an axially aligned boss and bore positioned to pre-slit the diaphragm. In another embodiment, the invention includes an annular pre-slit disc formed of self sealing material and positioned to reduce spray back when inserting or removing the cannula.

대표청구항 ▼

A stopper for use with a container (11) to provide a needleless access to said container with an cannula (23) having a blunt stopper penetrating tip (25), comprising: a disk portion (29) having a predetermined thickness and a fiat planar upper face (31) with a target region (3a) thereon, and a lower face (33), and a plug portion (27) extending from said lower face into said container; a centrally located diaphragm (37) defined by said target region on said upper face and by a cross channel (41) in said lower face, said diaphragm having a uniform rectangular cross section along the entire channel and of a thickness sufficiently less than said predetermined thickness to weaken said diaphragm at said channel to cause said diaphragm to rupture substantially only at said channel when subjected to penetration force from a cannula; said plug portion having an inner surface (43, 45) extending axially downwardly from said lower face in a first radially outward direction to a maximum diameter (43) and then a radially inward direction to a minimum diameter (45) no larger than the diameter of said cannula to form a seal for a cannula, said inner surface (43,45) providing a guide for engaging said cannula as it is inserted through said diaphragm at a variety of angles to axially align said cannula and provide engagement with said seal.

이 특허를 인용한 특허 (140)

Schembri Carol T., Adjustable volume sealed chemical-solution-confinement vessel.
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Niedospial, Jr., John J., Axially activated vial access 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

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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Needleless access stopper 원문보기

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