BE802644A - LIQUID DETECTION DEVICE WITHOUT GAS BUBBLES - Google Patents

LIQUID DETECTION DEVICE WITHOUT GAS BUBBLES

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
French (fr)
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/en

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
BE133739A 1972-08-17 1973-07-20 LIQUID DETECTION DEVICE WITHOUT GAS BUBBLES BE802644A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=5853734

Family Applications (1)

Application Number Title Priority Date Filing Date
BE133739A BE802644A (en) 1972-08-17 1973-07-20 LIQUID DETECTION DEVICE WITHOUT GAS BUBBLES

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)

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 (en) * 1980-03-31 1985-05-28 Leigh R. Abts Ultrasonic method and apparatus for obtaining information about fluids
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 Braun Melsungen Ag Ultrasonic sensor for the detection of gas bubbles

Also Published As

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

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