[특허]Sensing and storage system for fluid balance

Sensing and storage system for fluid balance 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61M-001/16
출원번호	US-0701641 (2017-09-12)
등록번호	US-10195327 (2019-02-05)
발명자 / 주소	Meyer, Thomas E. Hajko, William P. Hartranft, Thomas P.
출원인 / 주소	Medtronic, Inc.
대리인 / 주소	Collier, Kenneth
인용정보	피인용 횟수 : 0 인용 특허 : 198

초록 ▼

A sensing and storage system for fluid balance during dialysis is provided. The sensing and storage system has flow sensors on either side of a dialyzer in a controlled volume dialysate flow path. The sensors are positioned so that no fluid can be added to or removed from the dialysate flow path between the sensors except for that which is added or removed by action of a control pump. The sensing and storage system can have a fluid removal line for the removal of fluid from the dialysate flow loop.

대표청구항 ▼

1. A sensing and storage system for fluid balance during dialysis, comprising; a control pump in a dialysate flow loop in fluid communication with a dialyzer, wherein the dialysate flow loop has a controlled volume;a fluid removal line fluidly connected to the dialysate flow loop and in communication with the control pump;an extracorporeal flow loop in fluid communication with the dialysate flow loop across a semi-permeable membrane in the dialyzer;an inflow sensor in the dialysate flow loop and positioned in the dialysate flow loop at a position before the dialyzer;an outflow sensor in the dialysate flow loop and positioned in the dialysate flow loop at a position after the dialyzer;a sensor line having a first end positioned in the dialysate flow loop after the inflow sensor and before the dialyzer and a second end positioned after the outflow sensor wherein the sensor line has one or more additional sensors positioned on the sensor line; anda control system configured to receive data from the inflow sensor and the outflow sensor; wherein said control system is configured to electronically communicate with the control pump, wherein the control system is configured to utilize a fluid balancing system configured to automatically adjust a pump rate of the control pump based on a difference between the flow measured at inflow sensor and outflow sensor to maintain a controlled volume in the dialysate flow loop. 2. The sensing and storage system of claim 1, wherein the dialysate flow loop is a controlled compliant dialysate flow loop. 3. The sensing and storage system of claim 1, further comprising at least one fluid pump other than the control pump fluidly connected to a fluid source and in fluid communication with the dialysate flow loop; wherein the at least one fluid pump other than the control pump is positioned in the dialysate flow loop at a position after the outflow sensor and before the inflow sensor. 4. The sensing and storage system of claim 3, wherein the at least one fluid pump other than the control pump is selected from the group consisting of a sodium chloride pump in fluid communication with a sodium chloride reservoir, a water pump in fluid communication with a water reservoir, a cation infusate pump in fluid communication with a cation infusate reservoir, a bicarbonate pump in fluid communication with a bicarbonate reservoir, and combinations thereof. 5. The sensing and storage system of claim 3, wherein the control system is in electronic communication with the at least one fluid pump other than the control pump. 6. The sensing and storage system of claim 1, wherein the control system is configured to maintain a controlled volume in the dialysate flow loop based on a fluid removal prescription for a patient. 7. The sensing and storage system of claim 3, wherein one or more additional flow sensors are provided between the at least one fluid pump and a dialyzer inlet. 8. The sensing and storage system of claim 3, further comprising one or more additional flow sensors positioned between a dialyzer outlet and the at least one fluid pump other than the control pump. 9. The sensing and storage system of claim 1, wherein the control system is configured to periodically self-test by adjusting a pump rate of one or more pumps to make an ultrafiltration flow rate equal to zero and comparing a first reading at an inflow sensor to a second reading at an outflow sensor, wherein if said first reading and second reading are identical within a predetermined error limit, then the control system is operating properly. 10. The sensing and storage system of claim 1, wherein the control system is configured to determine a deviation of a fluid removal prescription from a difference in a flow rate measured by the inflow sensor and a flow rate measured by the outflow sensor. 11. The sensing and storage system of claim 10, wherein the control system is configured to automatically adjust the pump rate of the control pump to lower the deviation of the fluid removal prescription from the difference in the flow rate measured by the inflow sensor and the flow rate measured by the outflow sensor. 12. The sensing and storage system of claim 3, wherein all of the pumps are configured to periodically stop for the inflow sensor and the outflow sensor to measure a first flow rate and a second flow rate, respectively. 13. The sensing and storage system of claim 12, wherein the control system is configured to stop dialysis in response to the first flow rate being not identical to the second flow rate within a predetermined error limit. 14. The sensing and storage system of claim 1, wherein the control system is configured to obtain the controlled volume in the dialysate flow loop from a fluid removal prescription for a patient. 15. The sensing and storage system of claim 1, wherein the control system is in electronic communication with a water pump; and wherein the control system is configured to automatically adjust a pump rate of the water pump based on the difference between the flow measured at inflow sensor and outflow sensor to maintain the controlled volume in the dialysate flow loop. 16. The sensing and storage system of claim 1, wherein the control system is configured to deliver a fluid bolus to a patient by increasing a pump rate of a water pump. 17. The sensing and storage system of claim 1, the control system in electronic communication with a sensor measuring patient blood pressure; the control system configured to adjust the pump rate of the control pump in response to changes in patient blood pressure. 18. The sensing and storage system of claim 1, wherein the dialysate flow loop comprises a sorbent cartridge. 19. The sensing and storage system of claim 1, wherein the control pump is capable of moving fluid bi-directionally and wherein the system is configured to control patient net fluid volume by reversing the control pump from an efflux direction to an influx direction. 20. The sensing and storage system of claim 19, further comprising a control reservoir fluidly connected to the fluid removal line. 21. The sensing and storage system of claim 1, wherein the one or more of additional sensors positioned on the sensor line are one or more of ammonia sensor, pH sensor, and carbon dioxide sensor.

이 특허에 인용된 특허 (198)

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Hamada, Hiroyuki; Okamoto, Masahiro; Namoto, Shinji; Karino, Tomokazu, Pertioneal membrane function test method, peritoneal membrane function test apparatus and peritoneal membrane function test program.
상세보기
Wallace Richard A. (7304 SW. 53 Ave. Portland OR 97219), Portable hepatic-assist method and apparatus for same.
상세보기
Sandford, Harold F.; Ofsthun, Norma J.; Stennett, Amanda K.; Teo, Jiunn Yeong; Ford, Cheryl; Lipps, Benjamin J., Portable peritoneal dialysis system.
상세보기
Childers, Robert W., Priming, integrity and head height methods and apparatuses for medical fluid systems.
상세보기
Rosskopf Gerhard (Drnhagen DEX) Seidel Dietrich (Gttingen DEX), Process and device for the selective separation of pathological and/or toxic species or plasma.
상세보기
Lehmann Hans-Dieter (Waltenhofen DEX), Process for the removal of urea from blood wash fluids and blood.
상세보기
Beavis, Russell H., Product dispensing system.
상세보기
Leppert Lawrence L. (Littleton CO), Pump with plural flow lines.
상세보기
Demers, Jason A.; Wilt, Michael J.; Grant, Kevin L.; Dale, James D.; Tracey, Brian, Pumping cassette.
상세보기
Demers, Jason A.; Wilt, Michael J.; Grant, Kevin L.; Dale, James D.; Tracey, Brian, Pumping cassette.
상세보기
Womble,M. Edward; Clarke,Richard H., Raman spectroscopic monitoring of hemodialysis.
상세보기
Anslyn Eric V. ; Metzger Axel, Receptor and method for citrate determination.
상세보기
Ambrus Clara (225 Franklin St. Boston MA 02110) Horvath Csaba (225 Franklin St. Boston MA 02110), Removing heavy metal ions from blood.
상세보기
Kamen, Dean; Perry, N. Christopher; Demers, Jason A.; Tracey, Brian, Sensor apparatus systems, devices and methods.
상세보기
Fromherz, Peter; Meyer, Elisabeth; Straub, Bernhard, Signal recording of a receptor-effector-system by an extracellular planar potential-sensitive electrode.
상세보기
Lo, Ying-Cheng; Akonur, Alp; Stobo Prichard, Sarah, Simplified peritoneal equilibration test for peritoneal dialysis.
상세보기
Akonur, Alp; Lo, Ying-Cheng, Simulation of patient drain phase in peritoneal dialysis.
상세보기
Troutner Vernon H. (St. Petersburg FL), Single needle alternating blood flow system.
상세보기
Wong, Raymond J., Sodium zirconium carbonate and zirconium basic carbonate and methods of making the same.
상세보기
Nason Clyde K. (25745 N. Player Dr. Valencia CA 91355) Culp Gordon W. (13832 Haynes St. Van Nuys CA 91401), Solenoid drive apparatus for an external infusion pump.
상세보기
Nason Clyde K. (Valencia CA) Culp Gordon W. (Van Nuys CA), Solenoid drive apparatus for an external infusion pump.
상세보기
Pudil, Bryant J.; Meyer, Thomas E.; Lura, David B.; Gerber, Martin T., Sorbent cartridge configurations for improved dialysate regeneration.
상세보기
Sullivan,Thomas A.; Carr,David J.; Ash,Stephen R., Sorbent reactor for extracorporeal blood treatment systems, peritoneal dialysis systems, and other body fluid treatment systems.
상세보기
Asbrink,Perry; Nilsson,Eddie; Sternby,Jan Peter, Switch valve for an extracorporeal blood circuit and circuit including such a switch valve.
상세보기
Fard, Mohssen; Min, Xiaoyi; Boileau, Peter; Gill, Jong; Zhu, Bing; Snell, Jay; Jalali, Laleh; Reiss, Josh; Bornzin, Gene, System and method for efficiently distinguishing among cardiac ischemia, hypoglycemia and hyperglycemia using an implantable medical device and an external system.
상세보기
Wang, David T.; Cousineau, Robert P.; Lucke, Lori E.; Fathallah, Marwan A.; Ziegler, John S., System and method for reducing air bubbles in a fluid delivery line.
상세보기
Childers, Robert W.; Brown, David S.; Wariar, Ramesh; Karoor, Sujatha; Din, Shahid; Martis, Leo; Buchmann, Cody; Soltys, Paul, Systems and methods for performing peritoneal dialysis.
상세보기
Childers, Robert W.; Brown, David S.; Wariar, Ramesh; Karoor, Sujatha; Din, Shahid; Martis, Leo; Buckmann, Cody; Soltys, Paul, Systems and methods for performing peritoneal dialysis.
상세보기
Childers, Robert W.; Pan, Lee; Lauman, Brian, Systems and methods for performing peritoneal dialysis.
상세보기
Micheli, Brian R., Systems and methods for peritoneal dialysis.
상세보기
Micheli,Brian R., Systems and methods for peritoneal dialysis.
상세보기
Brugger James, Technique for using a dialysis machine to disinfect a blood tubing set.
상세보기
Brugger James (Boulder CO), Technique for using a dialysis machine to disinfect a blood tubing set.
상세보기
Wyborny Paul B. (Fridley MN) Roline Glenn M. (Anoka MN) Nichols Lucy M. (Maple Grove MN) Thompson David L. (Fridley MN), Telemetry format for implanted medical device.
상세보기
Goetz,Steven M.; Spar,Gregory Pat; Link,Gregg C., Telemetry module with configurable physical layer for use with an implantable medical device.
상세보기
Thompson, David L.; Bennett, Robert M.; Roline, Glenn M., Telemetry system for a medical device.
상세보기
Pelensky Martha T. (Yardley PA), Temperature monitoring of a fixed-bed catalytic reactor.
상세보기
Lu, Yi; Hwang, Hee-Jung; Sieracki, Nathan; Garner, Dewain, Temperature resistant pH buffers for use at low temperatures.
상세보기
Perry, N. Christopher; Demers, Jason A.; Tracey, Brian, Thermal and coductivity sensing systems, devices and methods.
상세보기
Meidl John A. (Weston WI) Vollstedt Thomas J. (Weston WI), Treatment of highly colored wastewaters.
상세보기
Favre, Olivier, Tubing for the extracorporal purification of the blood and use thereof.
상세보기
Glass Robert S., Urea biosensor for hemodialysis monitoring.
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Marantz Laurence B. (Sherman Oaks CA) Giorgianni Mario G. (Santa Ana CA), Urease in insoluble form for converting urea present in a liquid.
상세보기
Lindsay Edward R. (Clearwater FL) Aid James D. (St. Petersburg FL) Cameron Norman F. (St. Petersburg FL), Water pressure regulator for hemodialysis apparatus.
상세보기
Taylor, Michael A., Water purification pack.
상세보기
Taylor, Michael A., Water purification pack.
상세보기
Kenley Rodney S. ; Matthews Dawn ; Treu Dennis M., Water treatment for dialysate preparation.
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Gura, Victor, Wearable continuous renal replacement therapy device.
상세보기
Roberts Martin ; Lee David Be-Nyi, Wearable peritoneum-based system for continuous renal function replacement and other biomedical applications.
상세보기
McCombie, Devin B.; Reisner, Andrew T.; Asada, Haruhiko H.; Shaltis, Phillip, Wearable pulse wave velocity blood pressure sensor and methods of calibration thereof.
상세보기
Beltz Alex D. (956 Notre Dame St. Upland CA 91786), Wearable, portable, light-weight artificial kidney.
상세보기
Connelly, Robert I.; Shermer, Charles D.; Powell, Kenneth G., Wearable, self-contained drug infusion device.
상세보기
Childers, Robert W.; Brown, David S.; Wariar, Ramesh; Karoor, Sujatha; Din, Shahid; Martis, Leo; Buchmann, Cody; Soltys, Paul, Weight/sensor-controlled sorbent system for hemodialysis.
상세보기
Wong,Raymond J., Zirconium basic carbonate and methods of making the same.
상세보기
Alberti Giulio (Perugia ITX) Bartoli Francesco (Rome ITX) Constantino Umberto (Perugia ITX) Di Gregorio Francesco (Rome ITX) Valentini Claudio (Rome ITX), Zirconium phosphate and method for its preparation.
상세보기
Wong, Raymond J., Zirconium phosphate and method of making the same.
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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

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Sensing and storage system for fluid balance 원문보기

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Sensing and storage system for fluid balance 원문보기

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