CA2347022C - Systems and methods for control of pumps - Google Patents

Systems and methods for control of pumps Download PDF

Info

Publication number
CA2347022C
CA2347022C CA002347022A CA2347022A CA2347022C CA 2347022 C CA2347022 C CA 2347022C CA 002347022 A CA002347022 A CA 002347022A CA 2347022 A CA2347022 A CA 2347022A CA 2347022 C CA2347022 C CA 2347022C
Authority
CA
Canada
Prior art keywords
pump
pump chamber
fluid
variations
blood
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002347022A
Other languages
English (en)
French (fr)
Other versions
CA2347022A1 (en
Inventor
Abinash Nayak
James D. Jacobson
Tom Westberg
William E. Brach
Richard Mullen
Clement L. Yu
Richard I. Brown
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fenwal Inc
Original Assignee
Fenwal Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/390,491 external-priority patent/US6261065B1/en
Priority claimed from US09/390,269 external-priority patent/US6296450B1/en
Application filed by Fenwal Inc filed Critical Fenwal Inc
Publication of CA2347022A1 publication Critical patent/CA2347022A1/en
Application granted granted Critical
Publication of CA2347022C publication Critical patent/CA2347022C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F04B43/0009—Special features
    • F04B43/0081—Special features systems, control, safety measures
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/12—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by varying the length of stroke of the working members
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/09—Flow through the pump
    • 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
    • F04B2207/00—External parameters
    • F04B2207/70—Warnings
CA002347022A 1999-09-03 2000-08-29 Systems and methods for control of pumps Expired - Lifetime CA2347022C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/390,491 1999-09-03
US09/390,491 US6261065B1 (en) 1999-09-03 1999-09-03 System and methods for control of pumps employing electrical field sensing
US09/390,269 1999-09-03
US09/390,269 US6296450B1 (en) 1999-09-03 1999-09-03 Systems and methods for control of pumps employing gravimetric sensing
PCT/US2000/023791 WO2001018395A1 (en) 1999-09-03 2000-08-29 Systems and methods for control of pumps

Publications (2)

Publication Number Publication Date
CA2347022A1 CA2347022A1 (en) 2001-03-15
CA2347022C true CA2347022C (en) 2009-01-13

Family

ID=27013056

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002347022A Expired - Lifetime CA2347022C (en) 1999-09-03 2000-08-29 Systems and methods for control of pumps

Country Status (9)

Country Link
EP (1) EP1129290B1 (ja)
JP (1) JP4570306B2 (ja)
CN (1) CN100357599C (ja)
AT (1) ATE529639T1 (ja)
AU (1) AU776367B2 (ja)
BR (1) BR0007057A (ja)
CA (1) CA2347022C (ja)
IL (2) IL142692A (ja)
WO (1) WO2001018395A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106168209A (zh) * 2016-08-23 2016-11-30 保定雷弗流体科技有限公司 一种用于蠕动泵的智能流量校正方法和系统

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KR101231945B1 (ko) 2004-11-23 2013-02-08 엔테그리스, 아이엔씨. 가변 홈 위치 토출 장치용 시스템 및 방법
JP5339914B2 (ja) 2005-11-21 2013-11-13 インテグリス・インコーポレーテッド 低減された形状要因を有するポンプのためのシステムと方法
EP1954946B1 (en) * 2005-11-21 2014-11-05 Entegris, Inc. System and method for position control of a mechanical piston in a pump
WO2007067358A2 (en) 2005-12-02 2007-06-14 Entegris, Inc. System and method for pressure compensation in a pump
US8083498B2 (en) 2005-12-02 2011-12-27 Entegris, Inc. System and method for position control of a mechanical piston in a pump
TWI402423B (zh) 2006-02-28 2013-07-21 Entegris Inc 用於一幫浦操作之系統及方法
US7967022B2 (en) * 2007-02-27 2011-06-28 Deka Products Limited Partnership Cassette system integrated apparatus
EP2108843B1 (de) * 2008-04-09 2010-10-20 Grundfos Management A/S Sensor zum Ein- und/oder Ausschalten einer Pumpe
EP2748462B1 (en) 2011-08-25 2019-03-27 Ecolab USA Inc. A diaphragm pump for dosing a fluid capable of automatic degassing and an according method
WO2014044287A1 (en) * 2012-09-21 2014-03-27 Rheinisch-Westfälische Technische Hochschule Aachen Method of controlling the speed of an ventricular assist device (vad) and ventricular assist device.
US10422332B2 (en) 2013-03-11 2019-09-24 Circor Pumps North America, Llc Intelligent pump monitoring and control system
CA2960668A1 (en) * 2014-09-10 2016-03-17 Kci Licensing, Inc. Therapy apparatus with integrated fluid conductors and noise attenuation
CN108367107B (zh) * 2015-12-14 2020-09-29 心脏器械股份有限公司 具有重启锁定的血泵
WO2020014608A1 (en) 2018-07-12 2020-01-16 Walmart Apollo, Llc Automated storage retrieval system connection and communication protocol
GB2590246A (en) 2018-07-12 2021-06-23 Walmart Apollo Llc System and method for product recognition and assignment at an automated storage and retrieval device
CN111940447A (zh) * 2019-10-08 2020-11-17 广东利元亨智能装备股份有限公司 除尘装置及其自清洁方法

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US3783453A (en) * 1971-12-23 1974-01-08 V Bolie Self-regulating artificial heart
US3949734A (en) * 1974-07-22 1976-04-13 Miles Lowell Edwards Fluid pump control system
FR2371202A1 (fr) * 1976-11-23 1978-06-16 Anvar Dispositif d'aspiration automatique de liquide tel que sang
US4467844A (en) * 1982-06-24 1984-08-28 Baxter Travenol Laboratories, Inc. Flow monitoring method and apparatus
EP0100682A1 (en) * 1982-08-03 1984-02-15 Peritronic Medical Industries Plc Fluid flow control process and apparatus
US4480484A (en) * 1982-12-06 1984-11-06 Mitsubishi Denki Kabushiki Kaisha Flow rate detection device
US4479761A (en) * 1982-12-28 1984-10-30 Baxter Travenol Laboratories, Inc. Actuator apparatus for a prepackaged fluid processing module having pump and valve elements operable in response to externally applied pressures
NL8302860A (nl) * 1983-08-15 1985-03-01 Stichting Ct Voor Micro Elektr Piezo-elektrische micropomp.
CN85202918U (zh) * 1985-07-08 1986-07-09 湖南大学 一种测量导电液体流量的传感器
AU635262B2 (en) * 1989-05-11 1993-03-18 Bespak Plc Pump apparatus for biomedical use
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US5112298A (en) * 1990-06-25 1992-05-12 Baxter International Inc. Apheresis method and device
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US5350357A (en) * 1993-03-03 1994-09-27 Deka Products Limited Partnership Peritoneal dialysis systems employing a liquid distribution and pumping cassette that emulates gravity flow
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US5938634A (en) * 1995-09-08 1999-08-17 Baxter International Inc. Peritoneal dialysis system with variable pressure drive
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106168209A (zh) * 2016-08-23 2016-11-30 保定雷弗流体科技有限公司 一种用于蠕动泵的智能流量校正方法和系统
CN106168209B (zh) * 2016-08-23 2017-12-15 保定雷弗流体科技有限公司 一种用于蠕动泵的智能流量校正方法和系统

Also Published As

Publication number Publication date
CN100357599C (zh) 2007-12-26
CN1321221A (zh) 2001-11-07
JP2003508182A (ja) 2003-03-04
CA2347022A1 (en) 2001-03-15
AU7089700A (en) 2001-04-10
IL142692A (en) 2005-08-31
IL166674A0 (en) 2006-01-15
IL166674A (en) 2006-08-01
JP4570306B2 (ja) 2010-10-27
WO2001018395A1 (en) 2001-03-15
ATE529639T1 (de) 2011-11-15
EP1129290A4 (en) 2006-07-05
AU776367B2 (en) 2004-09-09
EP1129290A1 (en) 2001-09-05
BR0007057A (pt) 2001-07-24
EP1129290B1 (en) 2011-10-19
IL142692A0 (en) 2002-03-10

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Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20200831