AU470501B2 - Device fob detecting whether liquids free from gas bubbles, gases, or liquids interspersed with gas bubbles are present ina certain section ofa hollow or hose-like body - Google Patents

Device fob detecting whether liquids free from gas bubbles, gases, or liquids interspersed with gas bubbles are present ina certain section ofa hollow or hose-like body

Info

Publication number
AU470501B2
AU470501B2 AU59002/73A AU5900273A AU470501B2 AU 470501 B2 AU470501 B2 AU 470501B2 AU 59002/73 A AU59002/73 A AU 59002/73A AU 5900273 A AU5900273 A AU 5900273A AU 470501 B2 AU470501 B2 AU 470501B2
Authority
AU
Australia
Prior art keywords
gas bubbles
liquids
interspersed
hose
gases
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
Application number
AU59002/73A
Other versions
AU5900273A (en
Inventor
Baldo Verucchi Berthold Hoffman Frederico
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.)
B Braun Melsungen AG
Original Assignee
B Braun Melsungen AG
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 B Braun Melsungen AG filed Critical B Braun Melsungen AG
Publication of AU5900273A publication Critical patent/AU5900273A/en
Application granted granted Critical
Publication of AU470501B2 publication Critical patent/AU470501B2/en
Expired legal-status Critical Current

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)
  • 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)
  • External Artificial Organs (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
AU59002/73A 1972-08-17 1973-08-08 Device fob detecting whether liquids free from gas bubbles, gases, or liquids interspersed with gas bubbles are present ina certain section ofa hollow or hose-like body Expired AU470501B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEDE82240 1972-08-17
DE2240342A DE2240342B2 (en) 1972-08-17 1972-08-17 Device for acoustic detection of gas bubbles in liquids with corpuscular components

Publications (2)

Publication Number Publication Date
AU5900273A AU5900273A (en) 1975-02-13
AU470501B2 true AU470501B2 (en) 1976-03-18

Family

ID=5853734

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59002/73A Expired AU470501B2 (en) 1972-08-17 1973-08-08 Device fob detecting whether liquids free from gas bubbles, gases, or liquids interspersed with gas bubbles are present ina certain section ofa hollow or hose-like body

Country Status (12)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU578818B2 (en) * 1980-03-31 1988-11-03 Micro Pure Systems Inc. Ultrasonic fluid analysis

Families Citing this family (11)

* 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
DE3421176A1 (en) * 1984-06-07 1985-12-19 Sartorius GmbH, 3400 Göttingen Device for the acoustic detection of gas bubbles in liquids such as blood or infusion solutions
IT8453987V0 (en) * 1984-10-31 1984-10-31 Hospal Dasco Spa DETECTOR DEVICE FOR THE PRESENCE OF FLUID IN CORRESPONDENCE WITH A PREFIXED LEVEL OF A LIQUID CONTAINER
IT1179808B (en) * 1984-10-31 1987-09-16 Hospal Dasco Spa DETECTION AND CONTROL EQUIPMENT FOR THE PRESENCE OF A GASEOUS FLUID IN CORRESPONDENCE WITH A PREFIXED LEVEL OF A LIQUID CONTAINER
DE4013402C2 (en) * 1990-04-26 1994-03-24 Infurex Ag Cham Method and device for detecting gas bubbles in a line filled with liquid, in particular a flexible, tubular line or a 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 (en) * 1993-04-22 1995-12-14 Max Planck Gesellschaft Ultrasonic measuring device with at least one non-piezoelectric resonator chamber body and externally arranged electro-acoustic transducers
DE20101082U1 (en) * 2001-01-20 2002-05-29 B. Braun Melsungen Ag, 34212 Melsungen Ultrasonic sensor for the detection of gas bubbles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU578818B2 (en) * 1980-03-31 1988-11-03 Micro Pure Systems Inc. Ultrasonic fluid analysis

Also Published As

Publication number Publication date
JPS4960596A (en) 1974-06-12
IT991410B (en) 1975-07-30
ATA673873A (en) 1978-04-15
AU5900273A (en) 1975-02-13
DE2240342A1 (en) 1974-03-07
NL7310448A (en) 1974-02-19
GB1445410A (en) 1976-08-11
SE396477B (en) 1977-09-19
CH556538A (en) 1974-11-29
FR2198640A5 (en) 1974-03-29
DE2240342B2 (en) 1975-11-27
BE802644A (en) 1973-11-16
DD106228A5 (en) 1974-06-05
AT347008B (en) 1978-12-11

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