JP7332608B2 - 血液浄化装置 - Google Patents
血液浄化装置 Download PDFInfo
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- JP7332608B2 JP7332608B2 JP2020539466A JP2020539466A JP7332608B2 JP 7332608 B2 JP7332608 B2 JP 7332608B2 JP 2020539466 A JP2020539466 A JP 2020539466A JP 2020539466 A JP2020539466 A JP 2020539466A JP 7332608 B2 JP7332608 B2 JP 7332608B2
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- 239000008280 blood Substances 0.000 title claims description 167
- 210000004369 blood Anatomy 0.000 title claims description 167
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 132
- 238000000746 purification Methods 0.000 claims description 126
- 238000001514 detection method Methods 0.000 claims description 65
- 238000010438 heat treatment Methods 0.000 claims description 56
- 125000006850 spacer group Chemical group 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 19
- 230000008929 regeneration Effects 0.000 claims description 14
- 238000011069 regeneration method Methods 0.000 claims description 14
- 230000004048 modification Effects 0.000 description 16
- 238000012986 modification Methods 0.000 description 16
- 239000002184 metal Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000000502 dialysis Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- 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
- A61M1/1621—Constructional aspects thereof
- A61M1/1629—Constructional aspects thereof with integral heat exchanger
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
- A61M1/3403—Regulation parameters
- A61M1/341—Regulation parameters by measuring the filtrate rate or volume
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- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
- A61M1/152—Details related to the interface between cassette and machine
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- A61M1/153—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit the cassette being adapted for heating or cooling the treating fluid, e.g. the dialysate or the treating gas
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- A61M1/155—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit with treatment-fluid pumping means or components thereof
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- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
- A61M1/156—Constructional details of the cassette, e.g. specific details on material or shape
- A61M1/1562—Details of incorporated reservoirs
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- 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
- A61M1/15—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with a cassette forming partially or totally the flow circuit for the treating fluid, e.g. the dialysate fluid circuit or the treating gas circuit
- A61M1/156—Constructional details of the cassette, e.g. specific details on material or shape
- A61M1/1563—Details of incorporated filters
- A61M1/15632—Details of incorporated filters the filter being a dialyser
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
- A61M1/36222—Details related to the interface between cassette and machine
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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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
- A61M1/36223—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit the cassette being adapted for heating or cooling the 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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
- A61M1/36225—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit with blood pumping means or components thereof
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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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
- A61M1/36226—Constructional details of cassettes, e.g. specific details on material or shape
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-
- A—HUMAN NECESSITIES
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- 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
- A61M1/1694—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes with recirculating dialysing liquid
- A61M1/1696—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes with recirculating dialysing liquid with dialysate regeneration
-
- 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
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
- A61M2205/125—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit with incorporated filters
-
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
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- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3393—Masses, volumes, levels of fluids in reservoirs, flow rates by weighing the reservoir
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Description
Claims (12)
- 装置本体と、
除水容器を収容するケーシングを有し、前記装置本体に着脱自在に取り付けられるカセットと、を有する血液浄化装置であって、
前記装置本体には、前記除水容器の荷重を測定する荷重検出部が取り付けられ、
前記カセットに収容された前記除水容器の荷重を前記荷重検出部に伝達する荷重伝達機構を有し、
前記荷重伝達機構は、
前記カセットの前記除水容器を収容する部分の底板に設けられた孔を含み、
前記除水容器が前記荷重検出部の上に載置されること、
を特徴とする血液浄化装置。 - 請求項1に記載の血液浄化装置であって、
前記装置本体は、前記荷重検出部が取り付けられるベースを有し、
前記荷重検出部は、前記孔に挿通していること、
を特徴とする血液浄化装置。 - 請求項2に記載の血液浄化装置であって、
前記装置本体は、前記カセットを受けるカセット受座を有し、
前記荷重伝達機構は、前記孔と、前記カセットの前記孔に対応する位置の前記カセット受座に設けられた開口と、を含み、
前記荷重検出部は、前記孔と前記開口とに挿通していること、
を特徴とする血液浄化装置。 - 請求項1に記載の血液浄化装置であって、
前記装置本体は、前記荷重検出部が取り付けられるベースを有し、
前記荷重伝達機構は、
前記孔と、前記孔に挿通し、前記ベースに取り付けられた前記荷重検出部と前記除水容器の底面との間に挟まれて、前記除水容器を前記カセットの底板から浮かせるスペーサを含み、
前記除水容器は前記スペーサを介して前記荷重検出部の上に載置されること、
を特徴とする血液浄化装置。 - 請求項4に記載の血液浄化装置であって、
前記装置本体は、前記カセットを受けるカセット受座を有し、
前記カセット受座は、前記ベースとの間に隙間を空けて取り付けられており、
前記荷重伝達機構は、
前記カセットの前記孔に対応する位置の前記カセット受座に設けられた開口、を更に含み、
前記スペーサは、前記孔と前記開口に挿通し、前記カセットが前記装置本体に取り付けられて前記カセットの底面が前記装置本体の前記カセット受座に接した際に、前記ベースに取り付けられた前記荷重検出部と前記除水容器の底面との間に挟まれて、前記除水容器を前記カセットの底板から浮かせること、
を特徴とする血液浄化装置。 - 請求項1に記載の血液浄化装置であって、
前記装置本体は、前記カセットが前記装置本体に取り付けられた際に前記カセットの内部に一部又は全部が入り込むように加熱体が配置されていること、
を特徴とする血液浄化装置。 - 請求項1に記載の血液浄化装置であって、
前記装置本体は、前記カセットが前記装置本体に取り付けられた際に前記カセットの近傍に位置するように加熱体が配置されていること、
を特徴とする血液浄化装置。 - 装置本体と、
除水容器を収容するケーシングを有し、前記装置本体に着脱自在に取り付けられるカセットと、を有する血液浄化装置であって、
前記装置本体には、前記除水容器の荷重を測定する荷重検出部が取り付けられ、
前記カセットに収容された前記除水容器の荷重を前記荷重検出部に伝達する荷重伝達機構を有し、
前記荷重伝達機構は、
前記カセットの前記除水容器を収容する部分の天井板に設けられた開口と、
前記除水容器の上部に突出した被係合部と、
前記装置本体に取り付けられた前記荷重検出部に接続され、前記カセットが前記装置本体に取り付けられた際に前記開口を通して前記除水容器の被係合部に係合して前記除水容器を前記カセットの底板から浮かせる係合部と、を含み、
前記除水容器が前記係合部を介して前記荷重検出部から吊り下げられること、
を特徴とする血液浄化装置。 - 装置本体と、
前記装置本体に着脱自在に取り付けられるカセットと、を有する血液浄化装置であって、
前記カセットは、除水容器とダイアライザと透析液再生カラムとを内部に収容するケーシングを有し、前記装置本体に着脱可能であり、
前記除水容器は、前記ケーシングと別体であり、
前記ケーシングは、前記除水容器を収容する部分の底板に設けられた孔、又は前記除水容器を収容する部分の天井板に設けられた開口を備え、
前記装置本体は、前記除水容器の荷重を測定する荷重検出部を備え、前記孔又は前記開口を通して前記荷重検出部に前記除水容器の荷重を伝達すること、
を特徴とする血液浄化装置。 - 請求項1から9のいずれか1項に記載の血液浄化装置であって、
弾性を有するポンプチューブと、前記ポンプチューブを受けるチューブ受部材と、前記ポンプチューブの一部を前記チューブ受部材に押圧するチューブ押圧体と、前記チューブ押圧体を前記ポンプチューブの長手方向に移動させる駆動部と、を有し、前記ポンプチューブの内部の液体を押し出すポンプ部を含み、
前記カセットは、前記ポンプ部の少なくとも一部を含み、
前記装置本体は、前記ポンプ部の他の一部を含むこと、
を特徴とする血液浄化装置。 - 請求項10に記載の血液浄化装置であって、
前記カセットは、前記ポンプ部の前記チューブ受部材と前記ポンプチューブとを含み、
前記装置本体は、前記チューブ押圧体と前記駆動部とを含み、
前記チューブ受部材は、前記カセットの前記ケーシングであり、
前記ポンプチューブは前記ケーシングの外面に取り付けられ、
前記チューブ押圧体は、複数のフィンガーであり、
前記カセットは、前記フィンガーと前記ケーシングの外面との間に前記ポンプチューブが位置するように前記装置本体に着脱可能であること、
を特徴とする血液浄化装置。 - 請求項11に記載の血液浄化装置であって、
前記カセットは、前記ポンプ部の前記チューブ受部材と前記ポンプチューブと、前記チューブ押圧体とを含み、
前記装置本体は、前記駆動部を含み、
前記チューブ押圧体がロータであり、
前記ポンプチューブは、前記ロータの外周に沿った円弧部を含み、
前記チューブ受部材は、前記ポンプチューブの前記外周に沿った円弧部を含むステータであり、
前記カセットは、前記装置本体に取り付けられた際に前記ロータが前記駆動部に係合し、前記装置本体から取り外された際に前記ロータが前記駆動部から分離するように前記装置本体に着脱可能であること、
を特徴とする血液浄化装置。
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JP2004313303A (ja) | 2003-04-14 | 2004-11-11 | Nipro Corp | 持続的血液浄化装置 |
JP2007097746A (ja) | 2005-10-03 | 2007-04-19 | Japan Science & Technology Agency | 体液浄化カセットの成形方法 |
WO2008099890A1 (ja) | 2007-02-15 | 2008-08-21 | Asahi Kasei Kuraray Medical Co., Ltd. | 血液浄化システム |
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US4661246A (en) * | 1984-10-01 | 1987-04-28 | Ash Medical Systems, Inc. | Dialysis instrument with dialysate side pump for moving body fluids |
FR2680975B1 (fr) | 1991-09-10 | 1998-12-31 | Hospal Ind | Rein artificiel muni de moyens pour doser une substance dans le sang. |
JP3130658B2 (ja) * | 1992-07-13 | 2001-01-31 | テルモ株式会社 | 輸液ポンプ用の閉塞検知装置 |
DE60007723T2 (de) | 1999-03-02 | 2004-12-09 | Infomed S.A. | Leitungssystem für die extrakorporale blutreinigung und verwendung desselben |
ATE505223T1 (de) | 2002-07-19 | 2011-04-15 | Baxter Int | System für die peritonealdialyse |
EP2231224B1 (en) | 2007-09-19 | 2016-08-24 | Fresenius Medical Care Holdings, Inc. | Dialysis systems and related components |
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JP2004313303A (ja) | 2003-04-14 | 2004-11-11 | Nipro Corp | 持続的血液浄化装置 |
JP2007097746A (ja) | 2005-10-03 | 2007-04-19 | Japan Science & Technology Agency | 体液浄化カセットの成形方法 |
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