FR2198640A5 - - Google Patents

Info

Publication number
FR2198640A5
FR2198640A5 FR7329855A FR7329855A FR2198640A5 FR 2198640 A5 FR2198640 A5 FR 2198640A5 FR 7329855 A FR7329855 A FR 7329855A FR 7329855 A FR7329855 A FR 7329855A FR 2198640 A5 FR2198640 A5 FR 2198640A5
Authority
FR
France
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
FR7329855A
Other languages
French (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.)
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
Application granted granted Critical
Publication of FR2198640A5 publication Critical patent/FR2198640A5/fr
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)
  • General Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Acoustics & Sound (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)
FR7329855A 1972-08-17 1973-08-16 Expired FR2198640A5 (xx)

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
FR2198640A5 true FR2198640A5 (xx) 1974-03-29

Family

ID=5853734

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7329855A Expired FR2198640A5 (xx) 1972-08-17 1973-08-16

Country Status (12)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0180526A2 (fr) * 1984-10-31 1986-05-07 Hospal Ag Appareillage de détection et de contrôle de la présence d'un fluide gazeux en relation avec un niveau prédéterminé de liquide dans une enceinte
EP0181272A2 (fr) * 1984-10-31 1986-05-14 Hospal Ag Détecteur de bulles dans le sang
WO1991016087A1 (de) * 1990-04-26 1991-10-31 Infurex Ag Verfahren und vorrichtung zur erkennung von gasblasen in mit flüssigkeit gefüllten leitungen, insbesondere flexiblen, schlauchförmigen leitungen oder containern
EP0524605A1 (en) * 1991-07-22 1993-01-27 Ivac Corporation Air-in-line sensor

Families Citing this family (8)

* 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
DE3421176A1 (de) * 1984-06-07 1985-12-19 Sartorius GmbH, 3400 Göttingen Vorrichtung zum akustischen nachweis von gasblasen in fluessigkeiten wie blut oder infusionsloesungen
US5123275A (en) * 1990-12-07 1992-06-23 Ivac Corporation Air in-line sensor system
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 Braun Melsungen Ag Ultraschallsensor zum Detektieren von Gasblasen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0180526A2 (fr) * 1984-10-31 1986-05-07 Hospal Ag Appareillage de détection et de contrôle de la présence d'un fluide gazeux en relation avec un niveau prédéterminé de liquide dans une enceinte
EP0181272A2 (fr) * 1984-10-31 1986-05-14 Hospal Ag Détecteur de bulles dans le sang
EP0181272A3 (en) * 1984-10-31 1987-09-30 Hospal Ag Device for detecting gas bubbles in blood
EP0180526A3 (en) * 1984-10-31 1987-09-30 Hospal Ag Device for detecting and controlling the presence of a gaseous fluid in relation to a predetermined level of liquid in a vessel
WO1991016087A1 (de) * 1990-04-26 1991-10-31 Infurex Ag Verfahren und vorrichtung zur erkennung von gasblasen in mit flüssigkeit gefüllten leitungen, insbesondere flexiblen, schlauchförmigen leitungen oder containern
EP0524605A1 (en) * 1991-07-22 1993-01-27 Ivac Corporation Air-in-line sensor

Also Published As

Publication number Publication date
SE396477B (sv) 1977-09-19
AT347008B (de) 1978-12-11
AU470501B2 (en) 1976-03-18
IT991410B (it) 1975-07-30
BE802644A (fr) 1973-11-16
DE2240342B2 (de) 1975-11-27
DE2240342A1 (de) 1974-03-07
JPS4960596A (xx) 1974-06-12
NL7310448A (xx) 1974-02-19
AU5900273A (en) 1975-02-13
CH556538A (de) 1974-11-29
GB1445410A (en) 1976-08-11
DD106228A5 (xx) 1974-06-05
ATA673873A (de) 1978-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse