Renal therapy system having pump reversing fluid control
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-037/00
A61M-001/36
A61M-001/16
A61M-001/34
A61M-001/28
출원번호
US-0885006
(2010-09-17)
등록번호
US-9072843
(2015-07-07)
발명자
/ 주소
Kelly, Thomas
Childers, Robert W.
Busby, Don
Roger, Rodolfo
El Sayyid, Waleed Mutasem
Din, Shahid
출원인 / 주소
Baxter International Inc.
대리인 / 주소
K&L Gates LLP
인용정보
피인용 횟수 :
2인용 특허 :
142
초록▼
A renal therapy system includes: a filter; an arterial blood flowpath in fluid communication with the filter; a venous blood flowpath in fluid communication with the filter; extracorporeal circuit including the filter, the arterial blood flowpath and the venous blood flowpath; a renal therapy fluid
A renal therapy system includes: a filter; an arterial blood flowpath in fluid communication with the filter; a venous blood flowpath in fluid communication with the filter; extracorporeal circuit including the filter, the arterial blood flowpath and the venous blood flowpath; a renal therapy fluid flowpath in fluid communication with the extracorporeal circuit; a plurality of renal therapy fluid valves; and first and second renal therapy fluid pumps, wherein the system is configured to operate the plurality of renal therapy fluid valves so that (i) the first renal therapy fluid pump pumps renal therapy fluid through the renal therapy fluid flowpath to the extracorporeal circuit for a number of first pump actuations and (ii) the second renal therapy fluid pump pumps renal therapy fluid through the renal therapy fluid flowpath for a number of second pump actuations.
대표청구항▼
1. A renal therapy system comprising: a filter;an arterial blood flowpath in fluid communication with the filter;a venous blood flowpath in fluid communication with the filter;an extracorporeal circuit including the filter, the arterial blood flowpath and the venous blood flowpath;a renal therapy fl
1. A renal therapy system comprising: a filter;an arterial blood flowpath in fluid communication with the filter;a venous blood flowpath in fluid communication with the filter;an extracorporeal circuit including the filter, the arterial blood flowpath and the venous blood flowpath;a renal therapy fluid flowpath in fluid communication with the extracorporeal circuit;first and second renal therapy fluid pumps in fluid communication with the filter; anda plurality of renal therapy fluid valves located upstream and a plurality of renal therapy fluid valves located downstream of the first and second renal therapy fluid pumps,wherein the system is configured to operate the plurality of renal therapy fluid valves so that (i) the first renal therapy fluid pump pumps renal therapy fluid through the renal therapy fluid flowpath to the extracorporeal circuit for a number of first pump actuations and (ii) the second renal therapy fluid pump pumps renal therapy fluid through the renal therapy fluid flowpath for a number of second pump actuations. 2. The renal therapy system of claim 1, wherein the number of first pump actuations equals the number of second pump actuations. 3. The renal therapy system of claim 1, which is a hemofiltration system, the filter a hemofilter, the renal therapy fluid a replacement fluid, and the renal therapy fluid flowpath connected fluidly to one of the arterial and venous blood flowpaths. 4. The hemofiltration system of claim 3, wherein the renal therapy fluid flowpath is a first flowpath, and which includes a second renal therapy fluid flowpath connected fluidly to the hemofilter, the hemofiltration system further configured to operate the plurality of renal therapy fluid valves so that during (i), the second renal therapy fluid pump pulls effluent from the hemofilter through the second renal therapy fluid flowpath and during (ii), the first renal therapy fluid pump pulls effluent from the hemofilter through the second renal therapy fluid flowpath. 5. The hemofiltration system of claim 4, wherein the second renal therapy fluid pump pulls for a number of actuations equal to a number of pulling actuations of the first renal therapy fluid pump. 6. The hemofiltration system of claim 4, wherein at least one of the first and second renal therapy fluid pumps pulls for a number of actuations equal to at least one of the number of first pump actuations and the number of second pump actuations. 7. The renal therapy system of claim 1, which is a hemodialysis system, the filter a dialyzer, the renal therapy fluid a dialysate, and the renal therapy fluid flowpath connected fluidly to the dialyzer. 8. The hemodialysis system of claim 7, wherein the renal therapy fluid flowpath is a first flowpath, and which includes a second renal therapy flowpath connected fluidly to the dialyzer, the hemodialysis system further configured to operate the renal fluid therapy valves so that during (i), the second renal therapy fluid pump pulls effluent from the dialyzer through the second renal therapy fluid flowpath and during (ii), the first renal therapy fluid pump pulls effluent from the dialyzer through the second renal therapy fluid flowpath. 9. The hemodialysis system of claim 8, wherein the second renal therapy fluid pump pulls for a number of actuations equal to a number of pulling actuations of the first renal therapy fluid pump. 10. The hemodialysis system of claim 8, wherein at least one of the first and second renal therapy fluid pumps pulls for a number of actuations equal to at least one of the number of first pump actuations and the number of second pump actuations. 11. The renal therapy system of claim 1, which includes a fluid cassette operable with a machine of the system, and wherein at least one of (i) a portion of the arterial blood flowpath, (ii) a portion of the venous blood flowpath, (iii) at least a portion of the renal therapy fluid flowpath, (iv) at least one valve area operable with at least one of the renal therapy fluid valves, and (v) at least one pump area operable with at least one of the first and second renal therapy fluid pumps is provided by the fluid cassette. 12. A renal therapy system comprising: a dialyzer;an arterial blood flowpath in fluid communication with the dialyzer;a venous blood flowpath in fluid communication with the dialyzer;a first dialysate flowpath in fluid communication with the dialyzer;a second dialysate flowpath in fluid communication with the dialyzer;first and second dialysate pumps in fluid communication with the dialyzer; anda plurality of dialysate valves located upstream and a plurality of dialysate valves located downstream of the first and second dialysate pumps,wherein the system is configured to operate the plurality of dialysate valves so that (i) the first dialysate pump pumps dialysate through one of the first and second dialysate flowpaths to the dialyzer for a number of first pump actuations and (ii) the second dialysate pump pumps dialysate through one of the first and second dialysate flowpaths to the dialyzer for a number of second pump actuations. 13. The renal therapy system of claim 12, wherein the number of first pump actuations equals the number of second pump actuations. 14. The renal therapy system of claim 12, which includes a fluid cassette operable with a machine of the system, and wherein at least one of (i) a portion of the arterial blood flowpath, (ii) a portion of the venous blood flowpath, (iii) a portion of the first dialysate flowpath, (iv) a portion of the second dialysate flowpath; (v) at least one valve area operable with at least one of the dialysate valves, and (vi) at least one pump area operable with at least one of the first and second dialysate pumps is provided by the fluid cassette. 15. The renal therapy system of claim 12, which is further configured so that during (i), the second dialysate pump pulls effluent from the dialyzer through the other of the first and second dialysate flowpaths and during (ii), the first dialysate pump pulls effluent from the dialyzer through the other of the first and second dialysate flowpaths. 16. The renal therapy system of claim 15, wherein the second dialysate pump pulls for a number of actuations equal to a number of pulling actuations of the first dialysate pump. 17. The renal therapy system of claim 15, wherein at least one of the first and second dialysate pumps pulls for a number of actuations equal to at least one of the number of first pump actuations and the number of second pump actuations. 18. The renal therapy system of claim 12, wherein the plurality of dialysate valves includes first and second valves respectively enabling a dialysate supply to communicate fluidly with the first and second dialysate pumps. 19. The renal therapy system of claim 12, wherein during (i) and (ii) both first and second dialysate pumps pump through the same one of the first and second dialysate flowpaths to the dialyzer. 20. A renal therapy system comprising: a filter;an arterial blood flowpath in fluid communication with the filter;a venous blood flowpath in fluid communication with the filter;first and second renal therapy fluid pumps;a renal therapy fluid supply; andfirst and second renal therapy fluid valves located downstream of the first and second renal therapy fluid pumps, respectively, the system configured to operate such that (i) the first renal therapy fluid valve allows the first renal therapy fluid pump to pump renal therapy fluid from the renal therapy fluid supply to the filter for a number of first pump actuations and (ii) the second renal therapy fluid valve allows the second renal therapy fluid pump to pump renal therapy fluid from the renal therapy fluid supply to the filter for a number of second pump actuations. 21. The renal therapy system of claim 20, wherein the number of first pump actuations equals the number of second pump actuations. 22. The renal therapy system of claim 20, which includes a renal therapy fluid line in fluid communication with the filter and third and fourth fluid valves operated to selectively allow the first or second renal therapy fluid pump to pump renal therapy fluid through the renal therapy fluid line to the filter. 23. The renal therapy system of claim 20, wherein at least one of: during (i), the second renal therapy fluid pump pulls effluent from the filter and during (ii), the first renal therapy fluid pump pulls effluent from the filter. 24. The renal therapy system of claim 1, which includes a renal therapy fluid supply, and wherein the plurality of valves includes a first valve located between the fluid supply and an inlet of the first renal therapy fluid pump, a second valve located between the fluid supply and an inlet of the second renal therapy fluid pump, a third valve located between an outlet of the first renal therapy fluid pump and the extracorporeal circuit, a fourth valve located between an outlet of the second renal therapy fluid pump and the extracorporeal circuit, a fifth valve located between the extracorporeal circuit and the inlet of the first renal therapy fluid pump, a sixth valve located between the extracorporeal circuit and the inlet of the second renal therapy fluid pump, a seventh valve located between the outlet of the first renal therapy fluid pump and the fluid supply acting as a drain or a separate drain, and an eighth valve located between the outlet of the second renal therapy fluid pump and the fluid supply acting as a drain or a separate drain. 25. The renal therapy system of claim 24, wherein the renal therapy fluid supply includes a regeneration device for regenerating used renal therapy fluid. 26. The renal therapy system of claim 24, wherein the renal therapy fluid supply includes a container of renal therapy fluid. 27. The renal therapy system of claim 12, which includes a dialysate supply, and wherein the plurality of valves includes a first valve located between the dialysate supply and an inlet of the first dialysate pump, a second valve located between the dialysate supply and an inlet of the second dialysate pump, a third valve located between an outlet of the first dialysate pump and the dialyzer, a fourth valve located between an outlet of the second dialysate pump and the dialyzer, a fifth valve located between the dialyzer and the inlet of the first dialysate pump, a sixth valve located between the dialyzer and the inlet of the second dialysate pump, a seventh valve located between the outlet of the first dialysate pump and the dialysate supply acting as a drain or a separate drain, and an eighth valve located between the outlet of the second dialysate pump and the dialysate supply acting as a drain or a separate drain. 28. The renal therapy system of claim 27, wherein the dialysate supply includes a regeneration device for regenerating used dialysate. 29. The renal therapy system of claim 27, wherein the dialysate supply includes a container of dialysate. 30. The renal therapy system of claim 20, wherein the first valve is located between the renal therapy fluid supply and an inlet of the first renal therapy fluid pump, the second valve is located between the fluid supply and an inlet of the second renal therapy fluid pump, and which further includes a third valve located between an outlet of the first renal therapy fluid pump and the filter,a fourth valve located between an outlet of the second renal therapy fluid pump and the filter,a fifth valve located between the filter and the inlet of the first renal therapy fluid pump,a sixth valve located between the filter and the inlet of the second renal therapy fluid pump,a seventh valve located between the outlet of the first renal therapy fluid pump and the fluid supply acting as a drain or a separate drain, andan eighth valve located between the outlet of the second renal therapy fluid pump and the fluid supply acting as a drain or a separate drain. 31. The renal therapy system of claim 30, wherein the renal therapy fluid supply includes a regeneration device for regenerating used renal therapy fluid. 32. The renal therapy system of claim 30, wherein the renal therapy fluid supply includes a container of renal therapy fluid. 33. A renal therapy system comprising: a filter;an arterial blood flowpath in fluid communication with the filter;a venous blood flowpath in fluid communication with the filter;an extracorporeal circuit including the filter, the arterial blood flowpath and the venous blood flowpath;a renal therapy fluid flowpath in fluid communication with the extracorporeal circuit;a renal therapy fluid supply;first and second renal fluid therapy pumps; andwherein the system allows the first and second renal fluid therapy pumps to switch pumping duties via a first valve located between the fluid supply and an inlet of the first renal therapy fluid pump, a second valve located between the fluid supply and an inlet of the second renal therapy fluid pump, a third valve located between an outlet of the first renal therapy fluid pump and the extracorporeal circuit, a fourth valve located between an outlet of the second renal therapy fluid pump and the extracorporeal circuit, a fifth valve located between the extracorporeal circuit and the inlet of the first renal therapy fluid pump, a sixth valve located between the extracorporeal circuit and the inlet of the second renal therapy fluid pump, a seventh valve located between the outlet of the first renal therapy fluid pump and the fluid supply acting as a drain or a separate drain, and an eighth valve located between the outlet of the second renal therapy fluid pump and the fluid supply acting as a drain or a separate drain. 34. The renal therapy system of claim 33, which is a hemofiltration system, the filter a hemofilter, the renal therapy fluid a replacement fluid, and wherein the third and fourth valves are connected fluidly to one of the arterial and venous blood flowpaths of the extracorporeal circuit. 35. The renal therapy system of claim 33, which is a hemofiltration system, the filter a hemofilter, the renal therapy fluid a replacement fluid, and wherein the fifth and sixth valves are connected fluidly to the hemofilter of the extracorporeal circuit. 36. The renal therapy system of claim 33, which is a hemodialysis system, the filter a dialyzer, the renal therapy fluid a dialysate, and wherein the third, fourth, fifth and sixth valves are connected fluidly to the dialyzer of the extracorporeal circuit.
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이 특허에 인용된 특허 (142)
Lipps Bennie J. (Walnut Creek CA) Landau Julian I. (Concord CA), Apparatus and method for automatically controlling hemodialysis at a pre-selected ultrafiltration rate.
Allan Jonathan M. (Portland OR) Burton Richard J. (Tigard OR) Jurock Volker (Rodgau DEX), Apparatus and method for controlling ultrafiltration during hemodialysis.
Allan Jonathan M. (Portland OR) Burton Richard J. (Tigard OR) Jurock Volker (Rodgau DEX), Apparatus and method for controlling ultrafiltration during hemodialysis.
Dahlberg Bengt A. G. (Veberd SEX) Jeppsson Jan-Bertil (Lomma SEX) Ohlsson Lars I. (Asarum SEX) Simonsson Tord B. (Landskrona SEX), Apparatus for the measurement of fluid flow.
Bene Bernard (Irigny FRX) Chevallet Jacques (Serezin du Rhone FRX), Artificial kidney and method for adjusting a concentration of substance in blood using thereof.
Papanek Thomas H. (Oakland CA) Egler Mark S. (Boston MA) Landau Julian I. (Concord CA), Automated diaphragm apparatus and method for controlling negative pressure hemodialysis treatment.
Burbank, Jeffrey H.; Brugger, James M.; Treu, Dennis M.; Finch, Jr., C. David, Blood treatment systems and methods that maintain sterile extracorporeal processing conditions.
Kerns Ralph M. (Laguna Hills CA) Rubalcaba ; Jr. Bernardino (Laguna Beach CA) Bobo Donald E. (Fountain Valley CA) Rake Kenneth W. (Laguna Niguel CA) Weyant Robert R. (Claremont CA), Centrally managed modular infusion pump system.
Wolff Donald L. (Barrington IL) McCauley Porter T. (Northfield IL) Stiefel Paul (Skokie IL) Takacs Gyoergy J. (Wheeling IL) Adams Roman A. (Lincolnshire IL), Control method and apparatus for peristaltic fluid pump.
Wamsiedler Ralf (Oberursel DEX) Wojke Ralf (Frankfurt DEX) Pieper Walter (Florstadt DEX) Christmann-Braun Horst (Kelkheim DEX), Diaphragm gage for measuring the pressure of a fluid.
Burbank, Jeffrey H.; Brugger, James M; Treu, Dennis M., Extracorporeal circuits for performing hemofiltration employing pressure sensing without an air interface.
Treu Dennis M. ; Burbank Jeffrey H. ; Brugger James M., Flow-through peritoneal dialysis systems and methods with on-line dialysis solution regeneration.
Baldwin Brian E. (8022 S. Niagara Way Englewood CO 80112), Fluid conduit-responsively adjustable pump arrangement and pump/conduit arrangement and method, and fluid conduits there.
Malmgren Arthur L. (386 NW. 112th. St. Seattle WA 98177) Johnson Bryan E. (21708 80th W. Edmonds WA 98020), Fluid metering and mixing device having inlet and outlet valves.
Burbank, Jeffrey H.; Brugger, James M.; Treu, Dennis M., Fluid processing systems and methods using extracorporeal fluid flow panels oriented within a cartridge.
Cusack Robert F. (Edison NJ) Mintz Michael D. (Edison NJ), Fluid sample collection and delivery system and methods particularly adapted for body fluid sampling.
Cusack Robert F. (Edison NJ) Mintz Michael D. (Edison NJ), Fluid sample collection and delivery system and methods particularly adapted for body fluid sampling.
Keshaviah Prakash (Plymouth MN) Ebben James P. (Hudson WI) Emerson Paul F. (Minnetonka MN) Luhring David A. (Savage MN), Hemodialysis monitoring system for hemodialysis machines.
Kitaevich Yuli (Milford OH) Hemasilpin Nat (Fairfield OH) Marchevsky J. Gabriel (Cincinnati OH) Bissler John J. (Cincinnati OH) Benzing ; III George (Cincinnati OH) McEnery Paul T. (Cincinnati OH), Hemofiltration system and method.
Shaldon Stanley (Montpellier CA FRX) Gullberg Claes-Ake (Covina CA) Larsson Lars-Ake (Lddekpinge SEX), Hemofiltration system and safety system therefor.
Vogler Tina C. (South Orange NJ) Asher William J. (Fanwood NJ), Liquid membrane capsule systems resistant to coalescence by means of an irreversible coating.
Brugger, James M.; Burbank, Jeffrey H.; Treu, Dennis M., Method for performing renal replacement therapy including producing sterile replacement fluid in a renal replacement therapy unit.
Pedrini, Luciano; Wiesen, Gerhard, Method for the purification of blood by means of hemodialysis and/or hemofiltration and apparatus for performing said method.
Wolff Donald L. (Barrington IL) McCauley Porter T. (Northfield IL) Stiefel Paul (Skokie IL) Takacs Gyoergy J. (Wheeling IL) Adams Roman A. (Lincolnshire IL), Method of calibrating and determining the rotational and fluid delivery velocities of a peristaltic fluid pump.
Tsuji Tsuyoshi (Saitama JPX) Satoh Masaaki (Tokyo JPX) Yunoki Masayuki (Saitama JPX), Method of controlling amount of removed water by ultrafiltration and control device for controlling amount of removed wa.
Kenley Rodney S. (Libertyville IL) Matthews Dawn (Grayslake IL) Treu Dennis M. (Gurnee IL) Peter ; Jr. Frederick H. (Barrington IL) Feldsein Thomas M. (Palatine IL), Method of rinsing back blood to hemodialysis patient.
Sundn Bengt (AlvsjSEX) Forsstrm Bo (Stockholm IL SEX) Soderquist Charles E. (Barrington IL) Storckman Steven D. (Glen Ellyn IL), Peristaltic pump with rigid fluoroplastic tubing.
Lane Leslie A. (Santa Clara CA) Lybeck Lynn V. (Moss Beach CA) Perloff David S. (Sunnyvale CA) Kumagi Shoji (Santa Clara CA), Process control interface with simultaneously displayed three level dynamic menu.
Faict Dirk,BEX ; Chen Chi J. ; Peluso Francesco,BEX ; Childers Robert Warren ; Balteau Patrick,BEX ; Eerlingen Vital,BEX ; Emerson Paul Frederick ; Colleran Lisa, System and method for providing sterile fluids for admixed solutions in automated peritoneal dialysis.
Burbank, Jeffrey H.; Brugger, James M.; Treu, Dennis M.; Finch, Jr., C. David; Fulkerson, Barry N.; White, Steven A., Systems and methods for performing blood processing and/or fluid exchange procedures.
Truitt Lori A. ; Corbin ; III Frank ; Lobdell Donn D. ; Miller Douglas P. ; Manica Keith ; Eilers George J. ; Johnson Steven H. ; Leppert Lawrence L., Technique for extracorporeal treatment of blood.
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