FR2361644A1 - Detecteur automatique de fluide et d'air dans une conduite - Google Patents

Detecteur automatique de fluide et d'air dans une conduite

Info

Publication number
FR2361644A1
FR2361644A1 FR7724708A FR7724708A FR2361644A1 FR 2361644 A1 FR2361644 A1 FR 2361644A1 FR 7724708 A FR7724708 A FR 7724708A FR 7724708 A FR7724708 A FR 7724708A FR 2361644 A1 FR2361644 A1 FR 2361644A1
Authority
FR
France
Prior art keywords
fluid
signals
air
duct
pipe
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.)
Granted
Application number
FR7724708A
Other languages
English (en)
Other versions
FR2361644B1 (fr
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.)
Imed Corp
Original Assignee
Imed Corp
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
Application filed by Imed Corp filed Critical Imed Corp
Publication of FR2361644A1 publication Critical patent/FR2361644A1/fr
Application granted granted Critical
Publication of FR2361644B1 publication Critical patent/FR2361644B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • A61M5/36—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 with means for eliminating or preventing injection or infusion of air into body
    • A61M5/365—Air detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/008—Indicating or recording presence, absence, or direction, of movement by using a window mounted in the fluid carrying tube
    • G01P13/0086—Indicating or recording presence, absence, or direction, of movement by using a window mounted in the fluid carrying tube with photo-electric detection
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/13—Infusion monitoring

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Medicine (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biochemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Détecteur automatique destiné à détecter la présence d'air dans une conduite contenant un fluide soit opaque soit transparent Il comporte des moyens 12 supportant une partie 22 de la conduite; des premiers moyens fournissant des premier et second signaux lorsque la conduite contient de l'air ou un fluide opaque ou respectivement un fluide transparent; des seconds moyens fournissant des premier et second signaux lorsque la conduite contient un fluide opaque ou respectivement de l'air ou un fluide transparent; des troisièmes moyens répondant au premier signal des premiers moyens pour transmettre les premier et second signaux provenant des seconds moyens; et des quatrièmes moyens répondant au signal des seconds moyens pour transmettre les premier et second signaux provenant des premiers moyens. Application à la détection de bulles d'air dans un fluide injecte à un patient
FR7724708A 1976-08-12 1977-08-11 Detecteur automatique de fluide et d'air dans une conduite Granted FR2361644A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/713,664 US4114144A (en) 1976-08-12 1976-08-12 Automatic air-in-line fluid detector

Publications (2)

Publication Number Publication Date
FR2361644A1 true FR2361644A1 (fr) 1978-03-10
FR2361644B1 FR2361644B1 (fr) 1981-04-10

Family

ID=24866999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724708A Granted FR2361644A1 (fr) 1976-08-12 1977-08-11 Detecteur automatique de fluide et d'air dans une conduite

Country Status (9)

Country Link
US (1) US4114144A (fr)
JP (1) JPS5321887A (fr)
AU (1) AU506982B2 (fr)
BR (1) BR7705007A (fr)
CA (1) CA1096459A (fr)
DE (2) DE7724982U1 (fr)
FR (1) FR2361644A1 (fr)
GB (1) GB1550060A (fr)
SE (1) SE428873B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528186A1 (fr) * 1982-06-07 1983-12-09 Deude Rene Systemes permettant la detection d'objet par variation de mouvement d'un fluide
FR2660755A1 (fr) * 1990-04-06 1991-10-11 Hemocare Procede de detection de bulles dans un tube vehiculant un liquide, dispositif mettant en óoeuvre le procede et support pour dispositif.
WO1998012357A1 (fr) * 1996-09-19 1998-03-26 Deutsche Voest-Alpine Industrieanlagenbau Gmbh Procede pour le controle du fonctionnement d'un dispositif pour acheminer un milieu abrasif au moyen d'un fluide
WO2013130500A1 (fr) * 2012-02-29 2013-09-06 B. Braun Medical, Inc. Détecteur et compteurs de bulles d'air intelligents pour systèmes de perfusion automatisés
US8821432B2 (en) 2012-02-29 2014-09-02 B. Braun Medical Inc. Split and multiple air bubble sensors for automated infusion systems

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181130A (en) * 1977-11-04 1980-01-01 Ivac Corporation Drop discriminator system
DE2758368C2 (de) * 1977-12-28 1985-10-17 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur vorprogrammierbaren Infusion von Flüssigkeiten
US4256437A (en) * 1978-02-01 1981-03-17 Stewart Naumann Laboratories, Inc. Peristaltic infusion pump and method
US4280495A (en) * 1978-11-24 1981-07-28 Sarns, Inc. Air emboli detection
US4265240A (en) * 1979-04-16 1981-05-05 Imed Corporation Apparatus for providing a controlled introduction of intravenous fluid to a patient
US4291692A (en) * 1979-10-09 1981-09-29 University Of Utah Closed-loop infusion system, both method and apparatus, based on real time urine measurement
WO1981001655A1 (fr) * 1979-12-13 1981-06-25 Baxter Travenol Lab Detecteur de bulles
US4344429A (en) * 1979-12-13 1982-08-17 Baxter Travenol Laboratories, Inc. Bubble detector with feedback circuit for improved sensitivity
US4717548A (en) * 1980-06-09 1988-01-05 The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services Analytically controlled blood perfusion system
US4367736A (en) * 1980-08-25 1983-01-11 Baxter Travenol Laboratories, Inc. System for detecting bubble formation in clear and opaque fluids
JPS5767748U (fr) * 1980-10-11 1982-04-23
US4328800A (en) * 1980-10-30 1982-05-11 Alvin J. Marx Automated intravenous fluid regulating and administering apparatus
US4328801A (en) * 1980-10-30 1982-05-11 Alvin J. Marx Automated intravenous fluid regulating and administering apparatus
US4431425A (en) * 1981-04-28 1984-02-14 Quest Medical, Inc. Flow fault sensing system
DE3125367A1 (de) * 1981-06-27 1983-01-20 Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen "verfahren zur umformung von blechteilen sowie vorrichtung zur durchfuehrung des verfahrens"
DE3135070C2 (de) * 1981-09-04 1985-07-11 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren und Einrichtung zum Erfassen von Objekten und Strukturen, die in einem lichtabsorbierenden Medium verborgen sind
US4565500A (en) * 1983-02-24 1986-01-21 Stewart-Riess Laboratories, Inc. Air bubble detecting and discriminating circuit arrangement and method
DE3346198A1 (de) * 1983-12-21 1985-07-04 ABC-Analytische Biochemie GmbH, 8039 Puchheim Sensor fuer die beruehrungsfreie erkennung von fluessigkeiten in leitungen
GB8424101D0 (en) * 1984-09-24 1984-10-31 Vi Tal Hospital Products Ltd Air-in-line detector
IT8453987V0 (it) * 1984-10-31 1984-10-31 Hospal Dasco Spa Dispositivo rivelatore della presenza di fluido in corrispondenza di un prefissato livello di un contenitore di liquido
US4658244A (en) * 1985-03-28 1987-04-14 Imed Corporation Air-in-line detector
JPH0328361Y2 (fr) * 1985-05-10 1991-06-18
JPS6255188U (fr) * 1985-09-27 1987-04-06
JPS62134051U (fr) * 1986-02-17 1987-08-24
US4703314A (en) * 1986-02-27 1987-10-27 Fisher Scientific Group, Inc. Empty container detector with drop sensor
US4665391A (en) * 1986-02-27 1987-05-12 Warner-Lambert Company Empty container detector
US4752690A (en) * 1986-08-11 1988-06-21 Coulter Electronics, Inc. Method and apparatus for detecting incongruities, such as air bubbles, in fluid material
JPH0539702Y2 (fr) * 1987-06-24 1993-10-08
JPS63318951A (ja) * 1987-06-24 1988-12-27 Terumo Corp 医療用流体検出装置
JPS6439748U (fr) * 1987-09-01 1989-03-09
US4751476A (en) * 1987-09-21 1988-06-14 Fisher Scientific Company Detector device and method for distinguishing between fluids having different dielectric properties
GB8918596D0 (en) * 1989-08-15 1989-09-27 Bass Plc The detection of bubbles in flowing liquids
US5000663A (en) * 1989-09-05 1991-03-19 Pacesetter Infusion, Ltd. Automatic tubing lock for ultrasonic sensor interface
DE3931971C2 (de) * 1989-09-25 1994-09-22 Knapp Guenter Univ Prof Dipl I Vorrichtung zur Aufbereitung von flüssigen Analysenproben
DE4028881A1 (de) * 1990-09-12 1992-03-19 Rheinhuette Gmbh & Co Verfahren und einrichtung zum schutz einer foerdereinrichtung von trockenlauf
US5177993A (en) * 1991-07-22 1993-01-12 Ivac Corporation Air-in-line sensor
US5382232A (en) * 1992-03-13 1995-01-17 Ivac Corporation Infusion system with air-in-line clear function
DE4333624C2 (de) * 1993-10-04 1995-12-21 Martin Dipl Ing Simon Anordnung zum Bestimmen der Strömungsform einer Zweiphasenströmung
FR2725522B1 (fr) * 1994-10-07 1997-01-03 Hospal Ind Dispositif de detection d'un conduit et de determination d'au moins une caracteristique de son contenu
DE19500154C1 (de) * 1995-01-04 1996-10-17 Fritz Giebler Gmbh Infusionsschlauch für ein Infusionsgerät mit einem Blasendetektor
US5583280A (en) * 1995-01-26 1996-12-10 Abbott Laboratories Air bubble sensor with simplified mounting of piezo elements
JP3552374B2 (ja) * 1995-11-30 2004-08-11 ヤマハ株式会社 信号出力装置および光センサ
US5868710A (en) * 1996-11-22 1999-02-09 Liebel Flarsheim Company Medical fluid injector
US6070761A (en) * 1997-08-22 2000-06-06 Deka Products Limited Partnership Vial loading method and apparatus for intelligent admixture and delivery of intravenous drugs
US6616633B1 (en) 1997-09-19 2003-09-09 Alaris Medical Systems, Inc. Apparatus and method for air-in-line detection
US6231320B1 (en) 1998-06-12 2001-05-15 Abbott Laboratories Drug infusion pumping cassette latching mechanism
US6142008A (en) * 1998-06-12 2000-11-07 Abbott Laboratories Air bubble sensor
GB2398667B (en) * 2000-08-25 2005-02-16 Pittway Corp Multi-sensor detector
CN103845768B (zh) 2007-02-27 2016-09-28 德卡产品有限公司 血液透析系统及方法
US9028691B2 (en) 2007-02-27 2015-05-12 Deka Products Limited Partnership Blood circuit assembly for a hemodialysis system
US8004683B2 (en) * 2007-10-11 2011-08-23 Ecolab Usa Inc. Optical product detection sensor
US7924424B2 (en) * 2007-10-11 2011-04-12 Ecolab Usa Inc. Optical product detection sensor
US8517990B2 (en) 2007-12-18 2013-08-27 Hospira, Inc. User interface improvements for medical devices
US11833281B2 (en) 2008-01-23 2023-12-05 Deka Products Limited Partnership Pump cassette and methods for use in medical treatment system using a plurality of fluid lines
MX371354B (es) 2010-07-07 2020-01-27 Deka Products Lp Sistema de tratamiento medico y metodos que utilizan una pluralidad de lineas de fluido.
US9999717B2 (en) 2011-05-24 2018-06-19 Deka Products Limited Partnership Systems and methods for detecting vascular access disconnection
CA2837200C (fr) 2011-05-24 2020-07-07 Deka Products Limited Partnership Systeme d'hemodialyse
CA2844807C (fr) 2011-08-19 2022-07-26 Hospira, Inc. Systemes et procedes pour une interface graphique comprenant une representation graphique de donnees medicales
WO2013090709A1 (fr) 2011-12-16 2013-06-20 Hospira, Inc. Système permettant de surveiller et d'administrer un médicament à un patient et méthode l'utilisant pour réduire les risques associés à une thérapie automatisée
CA2868801C (fr) 2012-03-30 2021-07-13 Hospira, Inc. Systeme de detection d'air et procede de detection d'air dans une pompe d'un systeme de perfusion
WO2014022513A1 (fr) 2012-07-31 2014-02-06 Hospira, Inc. Système de soins de patients pour médication critique
AU2014268355B2 (en) 2013-05-24 2018-06-14 Icu Medical, Inc. Multi-sensor infusion system for detecting air or an occlusion in the infusion system
CA2913915C (fr) 2013-05-29 2022-03-29 Hospira, Inc. Systeme de perfusion qui emploie un ou plusieurs capteurs et des informations additionnelles pour faire une determination d'air concernant le systeme de perfusion
CA2913918C (fr) 2013-05-29 2022-02-15 Hospira, Inc. Systeme de perfusion et procede d'utilisation evitant la sursaturation d'un convertisseur analogique-numerique
KR102445624B1 (ko) 2014-02-27 2022-09-21 엘리멘탈 사이언티픽, 인코포레이티드 원거리에서 액체 샘플을 수집하기 위한 시스템
US10585075B2 (en) * 2014-02-27 2020-03-10 Elemental Scientific, Inc. System for collecting liquid samples
EP3110474B1 (fr) 2014-02-28 2019-12-18 ICU Medical, Inc. Système de perfusion et procédé qui utilise la détection optique de bulles d'air à double longueur d'onde
US11344673B2 (en) 2014-05-29 2022-05-31 Icu Medical, Inc. Infusion system and pump with configurable closed loop delivery rate catch-up
US11344668B2 (en) 2014-12-19 2022-05-31 Icu Medical, Inc. Infusion system with concurrent TPN/insulin infusion
US10850024B2 (en) 2015-03-02 2020-12-01 Icu Medical, Inc. Infusion system, device, and method having advanced infusion features
JP7108260B2 (ja) 2015-06-26 2022-07-28 エレメンタル・サイエンティフィック・インコーポレイテッド 液体サンプルを収集するためのシステム
ES2912378T3 (es) 2016-05-13 2022-05-25 Icu Medical Inc Sistema de bomba de infusión con purga automática de línea común
US11324888B2 (en) 2016-06-10 2022-05-10 Icu Medical, Inc. Acoustic flow sensor for continuous medication flow measurements and feedback control of infusion
US10072962B2 (en) 2016-07-05 2018-09-11 Ecolab Usa Inc. Liquid out-of-product alarm system and method
US10422362B2 (en) 2017-09-05 2019-09-24 Facebook Technologies, Llc Fluidic pump and latch gate
US10591933B1 (en) * 2017-11-10 2020-03-17 Facebook Technologies, Llc Composable PFET fluidic device
US10089055B1 (en) 2017-12-27 2018-10-02 Icu Medical, Inc. Synchronized display of screen content on networked devices
CN109813374A (zh) * 2019-01-18 2019-05-28 西南石油大学 分布式室内环境监测系统
US11278671B2 (en) 2019-12-04 2022-03-22 Icu Medical, Inc. Infusion pump with safety sequence keypad
AU2021311443A1 (en) 2020-07-21 2023-03-09 Icu Medical, Inc. Fluid transfer devices and methods of use
US11135360B1 (en) 2020-12-07 2021-10-05 Icu Medical, Inc. Concurrent infusion with common line auto flush

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892485A (en) * 1974-05-06 1975-07-01 Gen Electric Monitoring apparatus for measuring particles suspended in liquid and for measuring the opacity of the liquid
US3985133A (en) * 1974-05-28 1976-10-12 Imed Corporation IV pump

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835252A (en) * 1955-06-06 1958-05-20 James B Mcfadyen Monitor apparatus for blood transfusions
US3618061A (en) * 1969-04-30 1971-11-02 Eaton Yale & Towne Monitoring apparatus for monitoring the density of a material carried by a fluid and the flow of the fluid
US3699560A (en) * 1970-10-08 1972-10-17 Bendix Corp Precision position indicator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892485A (en) * 1974-05-06 1975-07-01 Gen Electric Monitoring apparatus for measuring particles suspended in liquid and for measuring the opacity of the liquid
US3985133A (en) * 1974-05-28 1976-10-12 Imed Corporation IV pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528186A1 (fr) * 1982-06-07 1983-12-09 Deude Rene Systemes permettant la detection d'objet par variation de mouvement d'un fluide
FR2660755A1 (fr) * 1990-04-06 1991-10-11 Hemocare Procede de detection de bulles dans un tube vehiculant un liquide, dispositif mettant en óoeuvre le procede et support pour dispositif.
WO1998012357A1 (fr) * 1996-09-19 1998-03-26 Deutsche Voest-Alpine Industrieanlagenbau Gmbh Procede pour le controle du fonctionnement d'un dispositif pour acheminer un milieu abrasif au moyen d'un fluide
WO2013130500A1 (fr) * 2012-02-29 2013-09-06 B. Braun Medical, Inc. Détecteur et compteurs de bulles d'air intelligents pour systèmes de perfusion automatisés
US8821432B2 (en) 2012-02-29 2014-09-02 B. Braun Medical Inc. Split and multiple air bubble sensors for automated infusion systems
US9283332B2 (en) 2012-02-29 2016-03-15 B. Braun Medical, Inc. Intelligent air bubble detector and counters for automated infusion systems

Also Published As

Publication number Publication date
AU2741177A (en) 1979-02-01
JPS5321887A (en) 1978-02-28
US4114144A (en) 1978-09-12
GB1550060A (en) 1979-08-08
CA1096459A (fr) 1981-02-24
FR2361644B1 (fr) 1981-04-10
BR7705007A (pt) 1978-06-06
SE428873B (sv) 1983-08-01
AU506982B2 (en) 1980-01-31
SE7709081L (sv) 1978-02-13
JPS6128092B2 (fr) 1986-06-28
DE2736218B2 (de) 1981-04-23
DE2736218A1 (de) 1978-02-23
DE2736218C3 (de) 1982-01-14
DE7724982U1 (de) 1979-02-08

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