[특허]Renal therapy blood cleansing system with isolation feature

Renal therapy blood cleansing system with isolation feature 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-037/00 C02F-001/44 A61M-001/34 A61M-001/16 A61M-001/36 A61M-001/30
출원번호	US-0833903 (2013-03-15)
등록번호	US-9211370 (2015-12-15)
발명자 / 주소	Kelly, Thomas D. El Sayyid, Waleed M.
출원인 / 주소	Baxter International Inc.
대리인 / 주소	K&L Gates LLP
인용정보	피인용 횟수 : 0 인용 특허 : 135

초록 ▼

A renal therapy blood cleansing system is provided. The renal therapy blood cleansing system includes a blood filtering device in fluid communication with a blood circuit, a balance chamber configured to exchange like volumes of fresh and used therapy fluid with the blood filtering device, a first pump configured to pump fresh fluid to the balance chamber, a second pump positioned and arranged to receive used fluid from the blood filtering device, and a control scheme. The control scheme is programmed to isolate the blood filtering device from the second pump and deliver a volume of fresh fluid to the blood filtering device via the balance chamber while the second pump is isolated from the blood filtering device, so as to increase fluid volume within the blood circuit.

대표청구항 ▼

1. A renal therapy blood cleansing system comprising: a blood circuit including a blood filtering device;a balance chamber configured to exchange like volumes of fresh and used therapy fluid with the blood filtering device;a first pump configured to pump fresh fluid to the balance chamber;a second pump positioned and arranged to receive used fluid from the blood filtering device; anda control scheme programmed to (i) isolate the blood filtering device from the second pump and (ii) deliver a volume of fresh fluid to the blood circuit via the balance chamber while the second pump is isolated from the blood filtering device so as to increase fluid volume within the blood circuit. 2. The renal therapy blood cleansing system of claim 1, wherein the volume of fresh fluid is to compensate for a volume of fluid pumped from the blood filtering device being greater than a volume of fluid pumped to the blood filtering device. 3. The renal therapy blood cleansing system of claim 1, wherein the volume of fresh fluid is to provide a bolus volume, rinseback volume or prime volume. 4. The renal therapy blood cleansing system of claim 1, which includes at least one valve to isolate the blood filtering device from the second pump. 5. The renal therapy blood cleansing system of claim 4, wherein the at least one valve is located between the blood filtering device and the second pump. 6. The renal therapy blood cleansing system of claim 4, wherein the at least one valve is pneumatically controlled. 7. The renal therapy blood cleansing system of claim 1, wherein the second pump is located between the blood filtering device and the balance chamber. 8. The renal therapy blood cleansing system of claim 1, which includes a plurality of balance chambers, each balance chamber in communication with the first and second pumps. 9. The renal therapy blood cleansing system of claim 8, wherein the plurality of balance chambers form part of a match flow equalizer. 10. The renal therapy blood cleansing system of claim 1, which includes an ultrafiltration removal meter configured to remove a known volume of used therapy fluid from the blood filtering device. 11. The renal therapy blood cleansing system of claim 1, which includes an ultrafilter located upstream of the blood filtering device. 12. A renal therapy blood cleansing system comprising: a blood circuit including a blood filtering device;first and second balance chambers;a first pump to pump fresh therapy fluid to the first and second balance chambers;a second pump positioned and arranged to receive used fluid from the blood filtering device and to pump the used fluid to the first and second balance chambers; anda control scheme programmed to isolate the second pump from the blood filtering device and to deliver a volume of fresh fluid to the blood circuit via one of the balance chambers so as to increase fluid volume within the blood circuit. 13. A medical fluid method comprising: infusing medical fluid into a blood filtering device communicating with a blood circuit using a first pump and a balance chamber that balances the amount of fresh and used medical fluid delivered to and removed from the blood filtering device;removing fluid from the blood filtering device using a second pump and the balance chamber;isolating the blood filtering device from the second pump; anddelivering a volume of fresh medical fluid to the blood circuit via the balance chamber while the blood filtering device is isolated from the second pump so as to increase fluid volume within the blood circuit. 14. The medical fluid method of claim 13, which includes delivering the volume of fresh fluid to compensate for a volume of fluid removed from the blood filtering device. 15. The medical fluid method of claim 13, which includes delivering the volume of fresh fluid for priming, rinseback or a patient bolus. 16. The medical fluid method of claim 13, which includes closing at least one valve to isolate the blood filtering device from the second pump. 17. The medical fluid method of claim 16, which includes pneumatically closing the at least one valve. 18. The medical fluid method of claim 13, which additionally includes bypassing the blood filtering device to deliver the volume of fresh medical fluid to the blood circuit. 19. The medical fluid method of claim 13, which includes resuming the infusing and removing steps after the volume of fresh medical fluid has been delivered. 20. The medical fluid method of claim 13, which includes enabling the volume of fresh fluid delivered to be selected proximate to the time of delivery. 21. The medical fluid method of claim 13, which includes enabling the volume of fresh fluid delivered to be preselected. 22. The medical fluid method of claim 13, which includes enabling the volume of fresh fluid delivered to be controlled automatically by delivering the volume until receiving an input from a sensor. 23. The medical fluid method of claim 13, wherein the infusing and removing steps include performing predilution infusion, postdilution infusion or both simultaneously. 24. The medical fluid method of claim 13, which includes delivering the volume automatically upon receipt of an input from a biosensor, the biosensor selected from the group consisting of a hematocrit sensor, a blood volume sensor, an electrolytic sensor, an oxygen sensor and any combination thereof. 25. The medical fluid method of claim 13, wherein delivering the volume of fresh medical fluid to the blood circuit includes delivering the fresh medical fluid to the blood filter.

이 특허에 인용된 특허 (135)

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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

내보내기 구분	파일저장 인쇄 메일전송
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

연합인증

Renal therapy blood cleansing system with isolation feature 원문보기

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연합인증

Renal therapy blood cleansing system with isolation feature 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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