[특허]Pre-slit injection site and tapered cannula

Pre-slit injection site and tapered cannula 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-029/00
출원번호	US-0470380 (1995-06-06)
발명자 / 주소	Jepson Steven C. Dudar Thomas E. Zdeb Brian D. Desecki Vince C.
출원인 / 주소	Baxter International Inc.
대리인 / 주소	Nichols
인용정보	피인용 횟수 : 136 인용 특허 : 0

초록 ▼

A pre-slit injection site includes a housing with a flow path therethrough. A first end of the housing carries a pre-slit septum. One form of a blunt cannula, usable with the injection site, carries a locking member. When the pre-slit injection site slidably receives the blunt cannula, the locking member latches to the injection site and creates a mechanically coupled unit. Another form of the cannula includes a tube having a tapered distal end region and having elongate discharge slots for reducing contact surface area and for directing the flow laterally out of the cannula. The cannula may also include a rounded lead post, an annular barb, and axially oriented grooves.

대표청구항 ▼

[ What is claimed is:] [1.] A cannula insertion member for being inserted into a pre-slit resealable injection site, said insertion member comprising:a tube having a central bore that extends throughout said tube for an entire length of said tube and terminates at an aperture that has substantially the same cross-sectional circumference as at least portions of the central bore, the central bore defining a fluid flow path therein, said tube having a distal end region for penetrating said resealable injection site:said distal end region defining the aperture in the distal end of said distal end region through which fluid can flow to or from said fluid flow path;said distal end region including a tapered exterior surface to facilitate insertion, said distal end being so constructed and arranged to allow multiple insertions into said resealable injection site and allowing the injection site to reseal after each such insertion; andlocking means for removably locking said cannula insertion member to said resealable injection site.

이 특허를 인용한 특허 (136)

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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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