JP2009068495A - 液体ポンプ圧調整装置および方法 - Google Patents
液体ポンプ圧調整装置および方法 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/06—Pumps having fluid drive
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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
- A61M1/15—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
- A61M1/155—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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- 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
- A61M1/15—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
- A61M1/1565—Details of valves
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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
- A61M1/15—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
- A61M1/159—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 specially adapted for peritoneal dialysis
-
- 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
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
- A61M1/282—Operational modes
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16809—Flow controllers by repeated filling and emptying of an intermediate volume
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
- G05D16/2073—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source with a plurality of pressure sources
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling 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
- 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
- A61M1/152—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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
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- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Urology & Nephrology (AREA)
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- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- External Artificial Organs (AREA)
- Reciprocating Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
【解決手段】流量制御装置200、例えば、腹膜透析装置が第1高さにあり、液体管路の末端208が第2高さにあり、弁で開閉される排出口は、それが開くとき、流量制御装置200と液体管路の末端を連通させる。高度差は、方法の一部として提供される較正手順の間に測定可能な圧力と相関している。
【選択図】図3a
Description
Claims (17)
- 弁を介し第2位置に連通する少なくとも1つの液体空間を含む流量制御装置を第1位置に配設して、前記第2位置は流体管路の末端と流体連通し、前記第1位置と前記第2位置間の高度差を決定するプロセッサに使用するコンピュータで読み込み可能なメディアを備えるコンピュータプログラム製品であって、コンピュータで読み込み可能なプログラムコードを持つコンピュータで使用可能なメディアを含み、前記コンピュータで読み込み可能なプログラムコードは、
複数のポンプの圧力値を読み取り記憶するプログラムコードと、
前記記憶された圧力値間の相関関係を算定し識別するプログラムコードと、
前記識別された相関関係に基づいて圧力値を計算するプログラムコードと、
前記計算された圧力に基づいて高度差を推定するプログラムコードとを、
含んでなるコンピュータプログラム製品。 - 前記高度差に基づいて必要なポンピング圧を計算するプログラムコードと、
前記必要なポンピング圧に従って前記流量制御装置のポンピング圧を調整するプログラムコードとを、
さらに含んでなる請求項1のコンピュータプログラム製品。 - 弁を介し第2位置に連通する少なくとも1つの液体空間を含む流量制御装置を第1位置に配設して、前記第2位置は流体管路の末端と流体連通し、液体ポンプ圧を調整するプロセッサに使用するコンピュータプログラム製品であって、コンピュータで読み込み可能なプログラムコードを持つコンピュータで使用可能なメディアを含み、前記コンピュータで読み込み可能なプログラムコードは、
前記ポンプの複数の圧力値を読み取り記憶するプログラムコードと、
前記記憶された圧力値間の相関関係を算定し識別するプログラムコードと、
前記識別された相関関係に基づいて圧力値を計算するプログラムコードと、
前記識別された相関関係に基づいて必要なポンピング圧を計算するプログラムコードとを、
含んでなるコンピュータプログラム製品。 - 弁を介し第2位置に連通する少なくとも1つの液体空間を含む流量制御装置を第1位置に配設して、前記第2位置は流体管路の末端と流体連通し、前記第1位置と前記第2位置間の高度差を決定する複数の命令を有するコンピュータで読み込み可能なメディアを備えるコンピュータプログラム製品であって、プロセッサにより実行されたときに前記プロセッサに:
前記液体空間の圧力を較正すること;
前記液体空間と前記末端との連通を確立すること;
前記液体空間に関する圧力を測定すること;および
前記測定された圧力に従いポンプ圧を調整すること;
を含む操作を行わせるコンピュータプログラム製品。 - 前記液体空間の圧力を較正することは:
前記液体空間を前記末端から絶縁すること;
前記液体空間と圧力連通する1つの制御空間の第1較正圧を測定すること;
前記液体空間を加圧すること;および
前記制御空間の第2較正圧を測定すること;
を含んでなる、請求項4のコンピュータプログラム製品。 - 複数の命令を有するコンピュータで読み込み可能なメディアを備えるコンピュータプログラム製品であって、プロセッサにより実行されたときに前記プロセッサに:
圧力値を読み取り記憶すること;
前記圧力値間の相関関係を算定し識別すること;
前記識別された相関関係に基づいて圧力値を計算すること;および
前記計算された圧力に基づいて高度差を推定すること;
を含む操作を行わせるコンピュータプログラム製品。 - 複数の命令を有するコンピュータで読み込み可能なメディアを備えるコンピュータプログラム製品であって、プロセッサにより実行されたときに前記プロセッサに:
少なくとも1つの膜ポンプと流体管路の末端からの流体圧力値を読み取り記憶すること;
前記圧力値間の差を算定し識別すること;および
前記計算された圧力に基づいて前記膜ポンプと前記流体管路の末端との間の高度差を推定すること;
を含む操作を行わせるコンピュータプログラム製品。 - 前記膜ポンプの圧力を調整することをさらに含む、
請求項7のコンピュータプログラム製品。 - 前記少なくとも1の膜ポンプは、空気圧駆動の膜ポンプである、
請求項8のコンピュータプログラム製品。 - 前記膜ポンプの膜は、可撓性膜である、
請求項9のコンピュータプログラム製品。 - 前記膜ポンプは、カセットに形成される;
請求項10のコンピュータプログラム製品。 - 複数の記憶された命令を有するコンピュータで読み込み可能なメディアを備えるコンピュータプログラム製品であって、腹膜透析機を制御するプロセッサにより実行されたときに前記腹膜透析機に:
透析物を送り出す少なくとも1つの膜ポンプであって、前記膜ポンプで送り出される前記透析物の流量を制御する少なくとも1つのバルブと流体連通する膜ポンプの圧力を決定すること;
前記膜ポンプと流体連通する流体管路の末端の圧力を決定すること;
前記少なくとも1つの膜ポンプの圧力と前記流体管路の末端の圧力との間の圧力差を算定すること;および
前記ポンプに対する前記末端の位置を決定するために前記圧力差の相関関係を示すこと;
を含む操作を行わせるコンピュータプログラム製品。 - 前記膜ポンプの圧力を調整することをさらに含む;
請求項12のコンピュータプログラム製品。 - 前記少なくとも1つの膜ポンプは、空気圧駆動の膜ポンプである;
請求項13のコンピュータプログラム製品。 - 前記膜ポンプの膜は、可撓性膜である;
請求項14のコンピュータプログラム製品。 - 前記膜ポンプは、カセットに形成される;
請求項15のコンピュータプログラム製品。 - 前記空気圧駆動は、前記膜を前記カセットに押し付ける;
請求項16のコンピュータプログラム製品。
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Application Number | Priority Date | Filing Date | Title |
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US09/612,005 | 2000-07-10 | ||
US09/612,005 US6503062B1 (en) | 2000-07-10 | 2000-07-10 | Method for regulating fluid pump pressure |
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JP2003516606A Division JP4900887B2 (ja) | 2000-07-10 | 2001-06-25 | 液体ポンプ圧調整装置および方法 |
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JP2009068495A true JP2009068495A (ja) | 2009-04-02 |
JP4900969B2 JP4900969B2 (ja) | 2012-03-21 |
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JP2003516606A Expired - Fee Related JP4900887B2 (ja) | 2000-07-10 | 2001-06-25 | 液体ポンプ圧調整装置および方法 |
JP2008249889A Expired - Fee Related JP4900969B2 (ja) | 2000-07-10 | 2008-09-29 | 液体ポンプ圧調整装置および方法 |
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US (6) | US6503062B1 (ja) |
EP (2) | EP2289577A1 (ja) |
JP (2) | JP4900887B2 (ja) |
AU (1) | AU2001298000A1 (ja) |
BR (1) | BRPI0112320B8 (ja) |
CA (1) | CA2418669C (ja) |
DE (1) | DE60142797D1 (ja) |
MX (1) | MXPA03000328A (ja) |
TW (1) | TW506840B (ja) |
WO (1) | WO2003011376A2 (ja) |
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- 2001-06-25 EP EP10075266A patent/EP2289577A1/en not_active Withdrawn
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BR0112320B1 (pt) | 2011-08-09 |
AU2001298000A1 (en) | 2003-02-17 |
EP1357958A2 (en) | 2003-11-05 |
DE60142797D1 (de) | 2010-09-23 |
CA2418669C (en) | 2011-10-18 |
US7421316B2 (en) | 2008-09-02 |
US8989906B2 (en) | 2015-03-24 |
US20080031746A9 (en) | 2008-02-07 |
EP2289577A1 (en) | 2011-03-02 |
JP2004536994A (ja) | 2004-12-09 |
CA2418669A1 (en) | 2003-02-13 |
MXPA03000328A (es) | 2003-06-09 |
JP4900969B2 (ja) | 2012-03-21 |
US20080273996A1 (en) | 2008-11-06 |
BRPI0112320B8 (pt) | 2021-06-22 |
US7853362B2 (en) | 2010-12-14 |
US20110085923A1 (en) | 2011-04-14 |
US8731726B2 (en) | 2014-05-20 |
US6808369B2 (en) | 2004-10-26 |
WO2003011376A8 (en) | 2003-09-12 |
US6503062B1 (en) | 2003-01-07 |
EP1357958B1 (en) | 2010-08-11 |
US20030086794A1 (en) | 2003-05-08 |
JP4900887B2 (ja) | 2012-03-21 |
TW506840B (en) | 2002-10-21 |
US20140249683A1 (en) | 2014-09-04 |
BR0112320A (pt) | 2006-05-09 |
WO2003011376A2 (en) | 2003-02-13 |
US20050118038A1 (en) | 2005-06-02 |
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