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BE802644A - Dispositif de detection de liquides sans bulles de gaz - Google Patents

Dispositif de detection de liquides sans bulles de gaz

Info

Publication number
BE802644A
BE802644A BE133739A BE133739A BE802644A BE 802644 A BE802644 A BE 802644A BE 133739 A BE133739 A BE 133739A BE 133739 A BE133739 A BE 133739A BE 802644 A BE802644 A BE 802644A
Authority
BE
Belgium
Prior art keywords
detection device
gas bubbles
liquid detection
liquid
bubbles
Prior art date
Application number
BE133739A
Other languages
English (en)
Original Assignee
Braun Melsungen Ag
Baldo Veracchi Federico
Baldo Veracchi Feinmaschinen
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 Braun Melsungen Ag, Baldo Veracchi Federico, Baldo Veracchi Feinmaschinen filed Critical Braun Melsungen Ag
Publication of BE802644A publication Critical patent/BE802644A/fr

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42Details of probe positioning or probe attachment to the patient
    • A61B8/4272Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48Diagnostic techniques
    • A61B8/481Diagnostic techniques involving the use of contrast agents, e.g. microbubbles introduced into the bloodstream
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621Extra-corporeal blood circuits
    • A61M1/3626Gas bubble detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02Analysing fluids
    • G01N29/032Analysing fluids by measuring attenuation of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/223Supports, positioning or alignment in fixed situation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/346Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with amplitude characteristics, e.g. modulated signal
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3375Acoustical, e.g. ultrasonic, measuring means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00Uses or applications of pigs or moles
    • F16L2101/30Inspecting, measuring or testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/024Mixtures
    • G01N2291/02433Gases in liquids, e.g. bubbles, foams
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/10Number of transducers
    • G01N2291/102Number of transducers one emitter, one receiver

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biochemistry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Acoustics & Sound (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Cardiology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • External Artificial Organs (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
BE133739A 1972-08-17 1973-07-20 Dispositif de detection de liquides sans bulles de gaz BE802644A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2240342A DE2240342B2 (de) 1972-08-17 1972-08-17 Vorrichtung zur akustischen Erkennung von Gasblasen in Flüssigkeiten mit korpuskularen Bestandteilen

Publications (1)

Publication Number Publication Date
BE802644A true BE802644A (fr) 1973-11-16

Family

ID=5853734

Family Applications (1)

Application Number Title Priority Date Filing Date
BE133739A BE802644A (fr) 1972-08-17 1973-07-20 Dispositif de detection de liquides sans bulles de gaz

Country Status (12)

Country Link
JP (1) JPS4960596A (fr)
AT (1) AT347008B (fr)
AU (1) AU470501B2 (fr)
BE (1) BE802644A (fr)
CH (1) CH556538A (fr)
DD (1) DD106228A5 (fr)
DE (1) DE2240342B2 (fr)
FR (1) FR2198640A5 (fr)
GB (1) GB1445410A (fr)
IT (1) IT991410B (fr)
NL (1) NL7310448A (fr)
SE (1) SE396477B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068521A (en) * 1976-07-22 1978-01-17 Renal Systems, Inc. Ultrasonic air and blood foam detector
US4237720A (en) * 1978-08-07 1980-12-09 Rhode Island Hospital Ultrasonic particulate sensing
JPS568544A (en) * 1979-07-02 1981-01-28 Fuji Photo Film Co Ltd Method and device for detection of bubble in liquid
CA1187975A (fr) * 1980-03-31 1985-05-28 Leigh R. Abts Methode et appareil aux ultrasons pour recueillir des donnees en rapport avec des fluides
DE3421176A1 (de) * 1984-06-07 1985-12-19 Sartorius GmbH, 3400 Göttingen Vorrichtung zum akustischen nachweis von gasblasen in fluessigkeiten wie blut oder infusionsloesungen
IT1179808B (it) * 1984-10-31 1987-09-16 Hospal Dasco Spa Apparecchiatura di rilevamento e di controllo della presenza di un fluido gassoso in corrispondenza di un prefissato livello di un contenitore di liquido
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
DE4013402C2 (de) * 1990-04-26 1994-03-24 Infurex Ag Cham Verfahren und Vorrichtung zur Erkennung von Gasblasen in einer mit Flüssigkeit gefüllten Leitung, insbesondere einer flexiblen, schlauchförmigen Leitung oder einem Container
US5123275A (en) * 1990-12-07 1992-06-23 Ivac Corporation Air in-line sensor system
US5177993A (en) * 1991-07-22 1993-01-12 Ivac Corporation Air-in-line sensor
DE4313216C2 (de) * 1993-04-22 1995-12-14 Max Planck Gesellschaft Ultraschallmeßgerät mit mindestens einem nicht-piezoelektrischen Resonatorkammerkörper und außen angeordneten elektro-akustischen Wandlern
DE20101082U1 (de) * 2001-01-20 2002-05-29 B. Braun Melsungen Ag, 34212 Melsungen Ultraschallsensor zum Detektieren von Gasblasen

Also Published As

Publication number Publication date
JPS4960596A (fr) 1974-06-12
AU5900273A (en) 1975-02-13
AU470501B2 (en) 1976-03-18
ATA673873A (de) 1978-04-15
IT991410B (it) 1975-07-30
DE2240342B2 (de) 1975-11-27
GB1445410A (en) 1976-08-11
CH556538A (de) 1974-11-29
DD106228A5 (fr) 1974-06-05
FR2198640A5 (fr) 1974-03-29
SE396477B (sv) 1977-09-19
NL7310448A (fr) 1974-02-19
DE2240342A1 (de) 1974-03-07
AT347008B (de) 1978-12-11

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