AT347008B - Vorrichtung zur akustischen erkennung von gasblasen in fluessigkeiten mit korpuskularen bestandteilen - Google Patents

Vorrichtung zur akustischen erkennung von gasblasen in fluessigkeiten mit korpuskularen bestandteilen

Info

Publication number
AT347008B
AT347008B AT673873A AT673873A AT347008B AT 347008 B AT347008 B AT 347008B AT 673873 A AT673873 A AT 673873A AT 673873 A AT673873 A AT 673873A AT 347008 B AT347008 B AT 347008B
Authority
AT
Austria
Prior art keywords
liquids
gas bubbles
acoustic detection
corpuscular components
corpuscular
Prior art date
Application number
AT673873A
Other languages
English (en)
Other versions
ATA673873A (de
Original Assignee
Braun Melsungen Ag
Baldo Veracchi Feinmaschinen F
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 Feinmaschinen F filed Critical Braun Melsungen Ag
Publication of ATA673873A publication Critical patent/ATA673873A/de
Application granted granted Critical
Publication of AT347008B publication Critical patent/AT347008B/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281—Details 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/481—Diagnostic techniques involving the use of contrast agent, e.g. microbubbles introduced into the bloodstream
    • 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
    • A61M1/3626—Gas bubble detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/02—Analysing fluids
    • G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/223—Supports, positioning or alignment in fixed situation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/346—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with amplitude characteristics, e.g. modulated signal
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • A61M2205/3375—Acoustical, e.g. ultrasonic, measuring means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02433—Gases in liquids, e.g. bubbles, foams
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number 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)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Acoustics & Sound (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Anesthesiology (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)
AT673873A 1972-08-17 1973-08-01 Vorrichtung zur akustischen erkennung von gasblasen in fluessigkeiten mit korpuskularen bestandteilen AT347008B (de)

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 (2)

Publication Number Publication Date
ATA673873A ATA673873A (de) 1978-04-15
AT347008B true AT347008B (de) 1978-12-11

Family

ID=5853734

Family Applications (1)

Application Number Title Priority Date Filing Date
AT673873A AT347008B (de) 1972-08-17 1973-08-01 Vorrichtung zur akustischen erkennung von gasblasen in fluessigkeiten mit korpuskularen bestandteilen

Country Status (12)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421176A1 (de) * 1984-06-07 1985-12-19 Sartorius GmbH, 3400 Göttingen Vorrichtung zum akustischen nachweis von gasblasen in fluessigkeiten wie blut oder infusionsloesungen
DE4313216A1 (de) * 1993-04-22 1994-10-27 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

Families Citing this family (9)

* 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
JPS56154658A (en) * 1980-03-31 1981-11-30 Maikuro Piyuaa Shisutemusu Inc Method of and apparatus for obtaining information on fluid
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
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
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421176A1 (de) * 1984-06-07 1985-12-19 Sartorius GmbH, 3400 Göttingen Vorrichtung zum akustischen nachweis von gasblasen in fluessigkeiten wie blut oder infusionsloesungen
DE4313216A1 (de) * 1993-04-22 1994-10-27 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
NL7310448A (de) 1974-02-19
BE802644A (fr) 1973-11-16
ATA673873A (de) 1978-04-15
CH556538A (de) 1974-11-29
DD106228A5 (de) 1974-06-05
AU5900273A (en) 1975-02-13
AU470501B2 (en) 1976-03-18
GB1445410A (en) 1976-08-11
DE2240342A1 (de) 1974-03-07
FR2198640A5 (de) 1974-03-29
IT991410B (it) 1975-07-30
DE2240342B2 (de) 1975-11-27
JPS4960596A (de) 1974-06-12
SE396477B (sv) 1977-09-19

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