JP6139529B2 - 透析液流制御 - Google Patents
透析液流制御 Download PDFInfo
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- JP6139529B2 JP6139529B2 JP2014527677A JP2014527677A JP6139529B2 JP 6139529 B2 JP6139529 B2 JP 6139529B2 JP 2014527677 A JP2014527677 A JP 2014527677A JP 2014527677 A JP2014527677 A JP 2014527677A JP 6139529 B2 JP6139529 B2 JP 6139529B2
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- dialysate
- blood
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1601—Control or regulation
- A61M1/1603—Regulation parameters
- A61M1/1605—Physical characteristics of the dialysate fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1601—Control or regulation
- A61M1/1615—Control or regulation using measurements made at different flow rates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3607—Regulation parameters
- A61M1/3609—Physical characteristics of the blood, e.g. haematocrit, urea
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3317—Electromagnetic, inductive or dielectric measuring means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3324—PH measuring means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Urology & Nephrology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Emergency Medicine (AREA)
- Cardiology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- External Artificial Organs (AREA)
Description
血液を灌流する血液室と、半透過性の膜により前記血液室と隔離されており、透析液が灌流される透析室とを備えている透析器と、
前記透析室を通過する透析液流を生成する手段と、
前記透析器を通じた物質交換、すなわち前記透析器の有効性の尺度である制御因子を特定するユニットと、
前記透析液または前記血液の特性変化、あるいは前記透析液の流量変化に起因して制御因子の値が変化し、臨界から外れると、前記透析器の前記透析室を通過する前記透析液流を制御する制御設備と、
を備えており、
前記制御設備は、前記制御因子の値の変化が前記臨界を上回ると前記透析液の流量を増加させ、前記制御因子の値の変化が前記臨界を下回ると前記透析液の流量を減少させるように、前記透析液流を生成する手段に指示を行なう。
Claims (8)
- 透析液流を制御する装置であって、
血液を灌流する血液室と、半透過性の膜により前記血液室と隔離されており、透析液が灌流される透析室とを備えている透析器と、
前記透析室を通過する透析液流を生成する手段と、
前記透析器を通じた物質交換の尺度である制御因子を特定するユニットと、
前記制御因子を特定するユニットにより特定された前記制御因子に基づいて、前記透析器の前記透析室を通過する前記透析液流を制御する制御設備と、
を備えており、
前記制御設備は、前記制御因子の値の変化量が臨界域を上回ると前記透析液の流量を増加させ、前記制御因子の値の変化量が前記臨界域を下回ると前記透析液の流量を減少させるように、前記透析液流を生成する手段に指示を行ない、
前記制御因子は、浄化能力が存在する場合に前記透析液流が増加するとその値が増加し、かつそのゲインが常に減少するようなパラメータであり、
前記制御因子は、
前記透析室を通過する前記透析液流を変化させて前記透析器の下流における前記透析液または前記血液の特性の変化を検出することにより、あるいは
前記透析器の上流において前記透析液または前記血液の特性を連続的に変化させて前記透析器の下流における当該透析液または血液の特性の変化を検出することにより、
予め特定される、装置。 - 前記透析室を通過する前記透析液流の流量を変化させて前記透析器の下流における前記透析液または血液の特性を検出することによって前記制御因子が特定され、前記制御因子を特定するユニットは、前記流量の変化の前後に対応する当該透析液または血液の特性の複数の値から得られる比または差によって前記制御因子を特定する、請求項1に記載の装置。
- 前記透析器の上流において前記透析液または血液の特性を連続的に変化させて前記透析器の下流における当該透析液または血液の特性を検出することによって前記制御因子が特定され、前記制御因子を特定するユニットは、前記透析器の上流および下流における当該透析液または血液の特性より得られる比または差によって前記制御因子を特定する、請求項1に記載の装置。
- 前記透析液または血液の特性が導電率であり、前記透析器の上流および下流における前記透析液と前記血液の少なくとも一方の導電率の値を特定する手段をさらに備えている、請求項3に記載の装置。
- 前記透析液または血液の特性が温度であり、前記透析器の上流および下流における前記透析液と前記血液の少なくとも一方の温度の値を特定する手段をさらに備えている、請求項3に記載の装置。
- 前記制御因子を特定するユニットは、前記透析液流より得られる前記制御因子の微分値によって前記制御因子の値の変化を特定する、請求項1から5のいずれか一項に記載の装置。
- 前記臨界域は、毎分100mlの透析液流量の変化に対する前記制御因子の値の10、11、12、13、14、15、16、17、18、19、または20%の値の許容誤差に対応している、請求項1から6のいずれか一項に記載の装置。
- 請求項1から7のいずれか一項に記載の装置を、治療処置の対象となる血液が前記血液室を潅流するように備えている、体外血液治療装置。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161529965P | 2011-09-01 | 2011-09-01 | |
| US61/529,965 | 2011-09-01 | ||
| DE102011053200A DE102011053200A1 (de) | 2011-09-01 | 2011-09-01 | Dialysatfluss-Regelung |
| DE102011053200.5 | 2011-09-01 | ||
| PCT/EP2012/066978 WO2013030350A1 (de) | 2011-09-01 | 2012-08-31 | Dialysatfluss-regelung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014529453A JP2014529453A (ja) | 2014-11-13 |
| JP6139529B2 true JP6139529B2 (ja) | 2017-05-31 |
Family
ID=47710400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014527677A Active JP6139529B2 (ja) | 2011-09-01 | 2012-08-31 | 透析液流制御 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9724455B2 (ja) |
| EP (1) | EP2750730B1 (ja) |
| JP (1) | JP6139529B2 (ja) |
| CN (1) | CN103857419B (ja) |
| BR (1) | BR112014004870B1 (ja) |
| DE (1) | DE102011053200A1 (ja) |
| WO (1) | WO2013030350A1 (ja) |
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| US11154648B2 (en) | 2013-01-09 | 2021-10-26 | Medtronic, Inc. | Fluid circuits for sorbent cartridge with sensors |
| US9713666B2 (en) | 2013-01-09 | 2017-07-25 | Medtronic, Inc. | Recirculating dialysate fluid circuit for blood measurement |
| US9623164B2 (en) | 2013-02-01 | 2017-04-18 | Medtronic, Inc. | Systems and methods for multifunctional volumetric fluid control |
| US10010663B2 (en) | 2013-02-01 | 2018-07-03 | Medtronic, Inc. | Fluid circuit for delivery of renal replacement therapies |
| US10850016B2 (en) | 2013-02-01 | 2020-12-01 | Medtronic, Inc. | Modular fluid therapy system having jumpered flow paths and systems and methods for cleaning and disinfection |
| US10537875B2 (en) | 2013-11-26 | 2020-01-21 | Medtronic, Inc. | Precision recharging of sorbent materials using patient and session data |
| US9884145B2 (en) | 2013-11-26 | 2018-02-06 | Medtronic, Inc. | Parallel modules for in-line recharging of sorbents using alternate duty cycles |
| WO2015164620A1 (en) | 2014-04-23 | 2015-10-29 | Robertson John L | System and method for monitoring the health of dialysis patients |
| US20150314055A1 (en) | 2014-04-29 | 2015-11-05 | Michael Edward HOGARD | Dialysis system and methods |
| WO2015199766A1 (en) | 2014-06-24 | 2015-12-30 | Medtronic, Inc. | Modular dialysate regeneration assembly |
| US10357757B2 (en) | 2014-06-24 | 2019-07-23 | Medtronic, Inc. | Stacked sorbent assembly |
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| WO2016057982A1 (en) | 2014-10-10 | 2016-04-14 | Nxstage Medical, Inc. | Flow balancing devices, methods, and systems |
| DE102016107589A1 (de) * | 2016-04-25 | 2017-10-26 | B. Braun Avitum Ag | Gerät zur extrakorporalen Blutbehandlung mit Konzentratwechsel |
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| JP7025408B2 (ja) | 2016-08-19 | 2022-02-24 | アウトセット・メディカル・インコーポレイテッド | 腹膜透析システム及び方法 |
| EP3506962B1 (en) | 2016-08-30 | 2023-11-22 | NxStage Medical, Inc. | Parameter monitoring in medical treatment systems |
| US10981148B2 (en) | 2016-11-29 | 2021-04-20 | Medtronic, Inc. | Zirconium oxide module conditioning |
| US10960381B2 (en) | 2017-06-15 | 2021-03-30 | Medtronic, Inc. | Zirconium phosphate disinfection recharging and conditioning |
| US12285552B2 (en) | 2018-08-14 | 2025-04-29 | Mozarc Medical Us Llc | Precision dialysis therapy based on sorbent effluent analysis |
| CA3109237A1 (en) | 2018-08-23 | 2020-02-27 | Outset Medical, Inc. | Systems and methods for priming dialysis tubing sets |
| US11213616B2 (en) | 2018-08-24 | 2022-01-04 | Medtronic, Inc. | Recharge solution for zirconium phosphate |
| WO2020176663A1 (en) * | 2019-02-26 | 2020-09-03 | Robertson John L | Dialysis systems and methods for modulating flow of a dialysate during dialysis using raman spectroscopy |
| AU2020266584B2 (en) | 2019-04-30 | 2025-10-23 | Outset Medical, Inc. | Dialysis system and methods |
| WO2020237228A1 (en) | 2019-05-23 | 2020-11-26 | Nxstage Medical, Inc. | Flow synchronization devices, methods and systems |
| US11959858B2 (en) | 2020-06-11 | 2024-04-16 | Virginia Tech Intellectual Properties, Inc. | Method and system for high-throughput screening |
| ES3007240T3 (en) | 2020-10-30 | 2025-03-19 | Bellco Srl | Dialysis cassette with pump features |
| US12318528B2 (en) | 2020-10-30 | 2025-06-03 | Mozarc Medical Us Llc | Variable orifice fistula graft |
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| DE3938662A1 (de) * | 1989-11-21 | 1991-07-18 | Fresenius Ag | Verfahren zur in-vivo-bestimmung von parametern der haemodialyse |
| US5110477A (en) * | 1990-02-13 | 1992-05-05 | Howard David B | Dialyzer clearance check system |
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| DE19739100C1 (de) * | 1997-09-06 | 1999-02-04 | Fresenius Medical Care De Gmbh | Verfahren zur Bestimmung der maximalen Dialysance des Dialysators einer Dialysevorrichtung und Dialysevorrichtung zur Durchführung des Verfahrens |
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| US6648845B1 (en) * | 1998-01-07 | 2003-11-18 | Fresenius Medical Care North America | Method and apparatus for determining hemodialysis parameters |
| DE19928407C1 (de) | 1999-06-22 | 2000-10-26 | Fresenius Medical Care De Gmbh | Verfahren zur Bestimmung der Leistungsfähigkeit eines Dialysators einer Dialysevorrichtung und Dialysevorrichtung zur Durchführung des Verfahrens |
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| JPWO2011074603A1 (ja) | 2009-12-17 | 2013-04-25 | ニプロ株式会社 | 血液透析装置 |
-
2011
- 2011-09-01 DE DE102011053200A patent/DE102011053200A1/de not_active Ceased
-
2012
- 2012-08-30 US US13/599,028 patent/US9724455B2/en active Active
- 2012-08-31 CN CN201280042814.0A patent/CN103857419B/zh active Active
- 2012-08-31 WO PCT/EP2012/066978 patent/WO2013030350A1/de not_active Ceased
- 2012-08-31 JP JP2014527677A patent/JP6139529B2/ja active Active
- 2012-08-31 BR BR112014004870-3A patent/BR112014004870B1/pt not_active IP Right Cessation
- 2012-08-31 EP EP12755988.8A patent/EP2750730B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014529453A (ja) | 2014-11-13 |
| US9724455B2 (en) | 2017-08-08 |
| BR112014004870B1 (pt) | 2021-03-09 |
| EP2750730B1 (de) | 2018-05-16 |
| EP2750730A1 (de) | 2014-07-09 |
| CN103857419B (zh) | 2016-03-02 |
| DE102011053200A1 (de) | 2013-03-07 |
| US20130056418A1 (en) | 2013-03-07 |
| CN103857419A (zh) | 2014-06-11 |
| WO2013030350A1 (de) | 2013-03-07 |
| BR112014004870A2 (pt) | 2017-04-04 |
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