[특허]Balanced flow dialysis machine

Balanced flow dialysis machine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-001/00 A61M-001/16 A61M-001/28 A61M-001/34
출원번호	US-0770662 (2013-02-19)
등록번호	US-8992463 (2015-03-31)
발명자 / 주소	Hogard, Michael E. Busby, Donald D. Childers, Robert W. Ding, Yuanpang Samuel Holian, Katherine M. Jablonski, Mark E. Kelly, Thomas D. Lo, Ying-Cheng Maliekkal, Shincy J. Roger, Rodolfo G. Smith, Donald A. Yardimci, Atif M.
출원인 / 주소	Baxter International Inc.
대리인 / 주소	K&L Gates LLP
인용정보	피인용 횟수 : 0 인용 특허 : 90

초록 ▼

A system and method for balancing flows of renal replacement fluid is disclosed. The method uses pressure controls and pressure sensing devices to more precisely meter and balance the flow of fresh dialysate and spent dialysate. The balancing system may use one or two balancing devices, such as a ba

대표청구항 ▼

1. A renal therapy system comprising: a dialyzer;a balancing system configured to equalize flow volume of renal failure therapy fluid flowing to the dialyzer and from the dialyzer, the balancing system including a fresh renal therapy fluid portion and a spent renal therapy fluid portion;a fresh renal therapy fluid pressure sensor positioned and arranged to detect a pressure of fresh renal failure therapy fluid delivered to the fresh renal therapy fluid portion of the balancing system;a spent renal therapy fluid pressure sensor positioned and arranged to detect a pressure of spent renal failure therapy fluid delivered to the spent renal therapy fluid portion of the balancing system; anda controller configured to (i) receive signals from the fresh and spent renal therapy fluid pressure sensors indicative of the detected pressures of the fresh and spent renal failure therapy fluids, respectively, and (ii) use the signals to control the fresh renal therapy fluid and the spent renal therapy fluid for the balancing system so that a pressure of the fresh renal failure therapy fluid flowing to the balancing system is equal to a pressure of the spent renal failure therapy fluid flowing to the balancing system. 2. The renal therapy system of claim 1, which includes a cassette, the cassette including the balancing system. 3. The renal therapy system of claim 1, wherein the fresh renal therapy fluid pressure sensor and the spent renal therapy fluid pressure sensor sense pressure in fluid conduits communicating with the fresh renal therapy fluid portion and the spent renal therapy fluid portion, respectively. 4. The renal therapy system of claim 1, wherein the controller operates a plurality of valves to control the fresh and spent renal therapy fluid flow. 5. The renal therapy system of claim 1, wherein the balancing system includes at least one fresh and spent rigid chamber and a member that is moved back and forth within the rigid chamber by the fresh and spent renal therapy fluids. 6. A renal therapy method comprising: providing a balancing system that equalizes flow volume of renal failure therapy fluid to a dialyzer and from the dialyzer;detecting a pressure of fresh renal failure therapy fluid delivered to or from the balancing system;detecting a pressure of spent renal failure therapy fluid delivered to or from the balancing system; andelectronically controlling the flow of fresh renal therapy fluid and the flow of spent renal therapy fluid for the balancing system such that the pressure of at least one of (i) the fresh renal failure therapy fluid flowing to the balancing system is equal to the pressure of the spent renal failure therapy fluid flowing to the balancing system, or (ii) the fresh renal failure therapy fluid flowing from the balancing system is equal to the pressure of the spent renal failure therapy fluid flowing from the balancing system. 7. The renal therapy method of claim 6, which includes electronically controlling the flow of the fresh renal therapy fluid and the flow of the spent renal therapy fluid for the balancing system using fresh and spent renal therapy fluid pressure sensors. 8. The renal therapy method of claim 7, which includes electronically controlling the flow of the fresh renal therapy fluid and the flow of the spent renal therapy fluid for the balancing system by operating a plurality of valves. 9. The renal therapy method of claim 7, wherein detecting the fresh and spent renal therapy fluid pressures includes using fresh and spent pressure sensors, respectively, placed at least one of (i) upstream or (ii) downstream of the balancing system.

이 특허에 인용된 특허 (90)

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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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Balanced flow dialysis machine 원문보기

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Balanced flow dialysis machine 원문보기

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