[특허]Fluid pumping system and apparatus

Fluid pumping system and apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04B-043/02
출원번호	US-0932752 (1992-08-20)
발명자 / 주소	Rabenau Richard (Birmingham AL) Lisak Stephen P. (Arab AL) Kehne Terry B. (Arab AL)
출원인 / 주소	Ryder International Corporation (Arab AL 02)
인용정보	피인용 횟수 : 94 인용 특허 : 0

초록 ▼

A fluid pumping assembly for particular use in delivery of sterile fluid used in surgical procedures, includes a pump control structure to which a replaceable fluid pumping cartridge is connected and disconnected to provide convenient replacement and disposability of the cartridge. The pump cartridge is self-contained in that it includes a fluid pump which is adapted for automatic connection to a pump drive structure when the cartridge is inserted into the assembly, so that the sterile fluid is pumped only through the pumping cartridge and fluid flow is entirely isolated from the pump control structure to ensure that the fluid is maintained sterile during pumping. The cartridge can include a selectively activated pulsation control to enable discharging the fluid from the cartridge in either a continuous flow or pulsating flow of the fluid. The pump control structure can provide a pneumatic drive system which cycles pressurized air to drive the pump. A pneumatic control valve provides cycled switching of alternating air pressure and exhaust communication with the pump.

대표청구항 ▼

A fluid pumping cartridge for particular use in a single surgical procedure in order to deliver and maintain sterile condition of the pumped fluid, comprising: a pumping chamber formed in a cartridge housing adapted for replaceable connection to and disconnection from a pump control structure; and pump means integrally contained in said cartridge housing arranged for pumping sterile fluid from said pumping chamber and adapted for connection to a pump drive structure provided by said pump control structure, in order to pump said sterile fluid through said pumping cartridge flowing entirely isolated from the pump control structure and to ensure that the fluid is maintained sterile during said pumping and a pulsation controlling, accumulator chamber in flow communication with said pump means, said accumulator chamber having a deflectable diaphragm defining one wall thereof; and pulsation control means for selectively enabling said diaphragm to oscillate and absorb fluid flow pulses pumped from said pump means in order to produce selectively continuous flow of said fluid from said cartridge.

이 특허를 인용한 특허 (94)

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Childers, Robert W.; Eerlingen, Vital; Balteau, Patrick; Belongie, Duane, System for monitoring and controlling peritoneal dialysis.
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Childers, Robert W.; Pan, Lee; Lauman, Brian, Systems and methods for performing peritoneal dialysis.
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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

Fluid pumping system and apparatus 원문보기

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연구과제 타임라인

이 특허를 인용한 특허 (94)

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Fluid pumping system and apparatus 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (94)

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