[특허]Combined hemofiltration and hemodialysis system

[미국특허] Combined hemofiltration and hemodialysis system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-061/28 B01D-061/32 B01D-061/34
출원번호	US-0540747 (1990-06-20)
발명자 / 주소	Ahmad Suhail (Seattle WA) Cole James J. (Arlington WA) Jensen William (Seattle WA)
출원인 / 주소	The Board of Regents of the University of Washington (Seattle WA 02)
인용정보	피인용 횟수 : 161 인용 특허 : 0

초록 ▼

A hemodialysis system has a blood circuit and a hemofiltrate circuit interconnected at a hemofilter and an air collection chamber. If an infusion of sterile fluid to the returning blood is needed during the dialysis treatment, filtrate in the filtrate circuit is pumped back into the blood circuit. This is also done to purge the blood circuit of blood and return it to the patient at the conclusiion of a dialysis treatment. A blood pump in the blood circuit incorporates a flexible vessel in conjunction with pinch valves which self expand in a controlled manner from a compressed condition to fill with blood from the patient in a suction stroke controlled by the patient\s blood delivery rate. Compression of the vessel by an external member then forces the blood through the rest of the blood circuit.

대표청구항 ▼

A hemodialysis system comprising: a blood pump having a blood outlet and a blood inlet for connection to a patient via an arterial route; a hemofilter having a blood inlet connected to said blood outlet of the pump, and having a blood outlet and a filtrate outlet; a hemodialyzer having a blood outlet, a blood inlet connected to said blood outlet of the hemofilter, and a dialysate inlet and outlet; a filtrate reservoir; an air-removal and filtrate pump having an outlet connected to said reservoir and having an inlet; an air collection chamber having a blood inlet connected to said blood outlet of the hemodialyzer, a blood outlet for connection to a patient via a venous route, and an air removal outlet; tube and valve means selectively connecting and disconnecting said inlet of the air-removal and filtrate pump with said filtrate outlet of the hemofilter and air removal outlets; and means for introducing an anti-coagulant to said air collection chamber. A hemodialysis method comprising: introducing blood from a patient into an external blood circuit connected to the patient; isolating equal volumetric increments of the introduced blood in a flexible vessel in said external circuit; linearly compressing said vessel each time only that it contains one of said increments, and advancing the respective increment along said external circuit while the vessel is being compressed; filtering the advancing increments and thereby removing excess fluid as filtrate; and diffusing solutes from each increment as its advances further along said external circuit for return to the patient. A hemodialysis method comprising: circulating blood during a treatment period from a patient through an external circuit and back to the patient; filtering excess fluid from the circulating blood by a hemofilter in said external circuit and collecting the excess fluid filtrate in a filtrate reservoir within a filtrate circuit in a sterile environment; dialyzing the circulating blood at a dialyzer in said external circuit; and displacing the blood remaining in said external blood circuit at the close of said treatment period with the collected excess fluid filtrate to return such remaining blood to the patient.

이 특허를 인용한 특허 (161) 인용/피인용 타임라인 분석

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Meyer, Thomas E.; Lura, David B.; Pudil, Bryant J.; Gerber, Martin T., Systems and methods for multifunctional volumetric fluid control.
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Meyer, Thomas E.; Lura, David B.; Pudil, Bryant J.; Gerber, Martin T., Systems and methods for multifunctional volumetric fluid control.
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Childers, Robert W.; Brown, David S.; Wariar, Ramesh; Karoor, Sujatha; Din, Shahid; Martis, Leo; Buckman, Cody; Soltys, Paul, Systems and methods for performing dialysis.
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Kelly, Thomas; Childers, Robert W.; Busby, Don; Roger, Rodolfo; El Sayyid, Waleed Mutasem; Din, Shahid, Systems and methods for priming hemodialysis using dialysis fluid.
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Kelly, Thomas; Childers, Robert W.; Busby, Don; Roger, Rodolfo; El Sayyid, Waleed Mutasem; Din, Shahid, Systems and methods for priming sorbent-based hemodialysis.
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Kelly, Thomas; Childers, Robert W.; Busby, Don; Roger, Rodolfo; El Sayyid, Waleed Mutasem; Din, Shahid, Systems and methods for priming sorbent-based hemodialysis using dialysis fluid.
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Fangrow, Thomas F., Systems, methods, and components for transferring medical fluids.
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Fulkerson, Barry Neil; Smith, Mark F., Thermal flow meter.
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Fulkerson, Barry Neil; Smith, Mark F., Thermal flow meter.
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Updyke, Palmer David; Fulkerson, Barry; De Leon De Leon, Amaury; Bayly, Michelle, Universal portable artificial kidney for hemodialysis and peritoneal dialysis.
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O'Mahony, John J.; Hal Pert, Andrew; Gelfand, Mark, User interface for blood treatment device.
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O'Mahony, John J.; Halpert, Andrew; Gelfand, Mark, User interface for blood treatment device.
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O'Mahony, John J.; Lendway, Thomas Robert; Halpert, Andrew J., User interface for blood treatment device.
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O'Mahony, John J.; Lendway, Thomas Robert; Halpert, Andrew J., User interface for blood treatment device.
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O'Mahony,John J.; Lendway,Thomas Robert; Halpert,Andrew J., User interface for blood treatment device.
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Smith, Mark Forrest, Valve system.
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Smith, Mark Forrest, Valve system.
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Smith, Mark Forrest, Valve system.
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Meyer, Thomas E., Water management system for use in dialysis.
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Kenley Rodney S. ; Matthews Dawn ; Treu Dennis M., Water treatment for dialysate preparation.
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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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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
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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[미국특허] Combined hemofiltration and hemodialysis system 원문보기

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