[특허]Catheter convertible from single to multilumen

Catheter convertible from single to multilumen 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-025/00
출원번호	US-0639623 (1991-01-10)
발명자 / 주소	Brightbill Jerry R. (Framingham MA)
출원인 / 주소	The Kendall Company (02)
인용정보	피인용 횟수 : 88 인용 특허 : 0

초록 ▼

A catheter capable of being converted from a single lumen catheter into a multilumen catheter. The catheter of the present invention comprises a first large bore catheter tube and a second catheter tube having at least one lumen and an outer diameter which is smaller than the inner diameter of the first catheter tube and which is capable of being disposed within the first catheter tube. When the second catheter tube is disposed within the first catheter tube, the second catheter tube abuts a portion of the inner wall of the first catheter tube to form a single lumen between the inner wall of the first catheter tube and the outer wall of second catheter tube. The first catheter tube has a first connector portion at its proximal end which is mateable with a second connector portion at the proximal end of the second catheter tube. The connector portions are mateable in fluid tight relationship and are operative to maintain the first and second catheter tubes in nested relationship to each other and provide multiple lumens.

대표청구항 ▼

A venous catheter capable of being converted from a single lumen large bore venous catheter into a multilumen catheter comprising: a first flexible elongated large bore catheter tube adapted for insertion in the vein of a patient and having a proximal end, a distal end, an inner wall and a single bore extending there through; a second flexible elongated catheter tube having a proximal end, a distal end, an outer wall and defining at least one lumen extending there through and terminating in at least one opening; said second catheter tube having an outer diameter which is smaller than the inner diameter of said first catheter tube, and capable of being removably disposed within said first catheter tube abutting a portion of the inner wall of said first catheter tube and defining a single lumen in the portion of the bore between the inner wall of said first catheter tube and the outer wall of said second catheter tube; said single lumen terminating in at least one opening in said first catheter tube; a connector having a first connector portion affixed to the proximal end of the first catheter tube, and a second connector portion affixed to the proximal end of the second catheter tube, said connector portions being mateable to provide a fluid tight coupling, said connector being a standard luer connector with locking threads; said second catheter tube being removably coupled in a fluid tight relationship to said first catheter tube via said mateable connector portions.

이 특허를 인용한 특허 (88)

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Conn, John Miller, Retrograde entry antegrade placement for femoral artery access.
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Shaughnessy, Michael C.; Platt, David K.; Purnell, Shawn G.; Nassif, George A.; Smith, Andrew M. L., Tubing assembly and signal generator placement control device and method for use with catheter guidance systems.
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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

Catheter convertible from single to multilumen 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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Catheter convertible from single to multilumen 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (88)

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