IT1179808B - Apparecchiatura di rilevamento e di controllo della presenza di un fluido gassoso in corrispondenza di un prefissato livello di un contenitore di liquido - Google Patents
Apparecchiatura di rilevamento e di controllo della presenza di un fluido gassoso in corrispondenza di un prefissato livello di un contenitore di liquidoInfo
- Publication number
- IT1179808B IT1179808B IT68085/84A IT6808584A IT1179808B IT 1179808 B IT1179808 B IT 1179808B IT 68085/84 A IT68085/84 A IT 68085/84A IT 6808584 A IT6808584 A IT 6808584A IT 1179808 B IT1179808 B IT 1179808B
- Authority
- IT
- Italy
- Prior art keywords
- correspondence
- detection
- liquid container
- control equipment
- gaseous fluid
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2961—Acoustic waves for discrete levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2965—Measuring attenuation of transmitted waves
-
- 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
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/13—Infusion monitoring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/908—Material level detection, e.g. liquid level
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68085/84A IT1179808B (it) | 1984-10-31 | 1984-10-31 | Apparecchiatura di rilevamento e di controllo della presenza di un fluido gassoso in corrispondenza di un prefissato livello di un contenitore di liquido |
EP85420175A EP0180526B1 (fr) | 1984-10-31 | 1985-10-02 | Appareillage de détection et de contrôle de la présence d'un fluide gazeux en relation avec un niveau prédéterminé de liquide dans une enceinte |
DE8585420175T DE3578977D1 (de) | 1984-10-31 | 1985-10-02 | Vorrichtung zur entdeckung und pruefung der anwesenheit von gasfoermigem fluid im verhaeltnis zu einer vorbestimmten fluessigkeitshoehe in einem behaelter. |
CA000493155A CA1256978A (fr) | 1984-10-31 | 1985-10-17 | Detecteur de gaz dans un liquide contenu dans une enceinte |
US06/791,487 US4673927A (en) | 1984-10-31 | 1985-10-25 | Apparatus for detecting and controlling the level of a gaseous fluid |
JP60239639A JP2544337B2 (ja) | 1984-10-31 | 1985-10-28 | 導管内のガスを検出する装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68085/84A IT1179808B (it) | 1984-10-31 | 1984-10-31 | Apparecchiatura di rilevamento e di controllo della presenza di un fluido gassoso in corrispondenza di un prefissato livello di un contenitore di liquido |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8468085A0 IT8468085A0 (it) | 1984-10-31 |
IT8468085A1 IT8468085A1 (it) | 1986-05-01 |
IT1179808B true IT1179808B (it) | 1987-09-16 |
Family
ID=11307728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68085/84A IT1179808B (it) | 1984-10-31 | 1984-10-31 | Apparecchiatura di rilevamento e di controllo della presenza di un fluido gassoso in corrispondenza di un prefissato livello di un contenitore di liquido |
Country Status (6)
Country | Link |
---|---|
US (1) | US4673927A (it) |
EP (1) | EP0180526B1 (it) |
JP (1) | JP2544337B2 (it) |
CA (1) | CA1256978A (it) |
DE (1) | DE3578977D1 (it) |
IT (1) | IT1179808B (it) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2599496B1 (fr) * | 1986-05-28 | 1992-02-14 | Mms | Detecteur de bulles dans un circuit de liquide |
US4745794A (en) * | 1986-12-22 | 1988-05-24 | E. I. Du Pont De Nemours And Company | Analyzer for carbon dioxide in beverages |
US4764166A (en) * | 1987-08-17 | 1988-08-16 | Fisher Scientific Company | Ultrasonic air-in-line detector |
US4882928A (en) * | 1987-12-22 | 1989-11-28 | Lane Jr William E | Refrigeration efficiency monitoring system |
US5026348A (en) * | 1988-06-06 | 1991-06-25 | The General Hospital Corporation | Apparatus and method for the detection of IV catheter obstruction and extravasation |
JPH0238988A (ja) * | 1988-07-29 | 1990-02-08 | Murata Mfg Co Ltd | 液体センサ |
GB8918596D0 (en) * | 1989-08-15 | 1989-09-27 | Bass Plc | The detection of bubbles in flowing liquids |
US5126616A (en) * | 1989-09-05 | 1992-06-30 | Pacesetter Infusion, Ltd. | Ultrasonic transducer electrical interface assembly |
US5176631A (en) * | 1989-09-05 | 1993-01-05 | Pacesetter Infusion, Ltd. | Ultrasonic air-in-line detector for detecting entrained air in a medication infusion system |
US5053747A (en) * | 1989-09-05 | 1991-10-01 | Pacesetter Infusion, Inc. | Ultrasonic air-in-line detector self-test technique |
US5064412A (en) * | 1989-09-05 | 1991-11-12 | Pacesetter Infusion, Ltd. | Ultrasonic air-in-line detector for a medication infusion system |
US5000663A (en) * | 1989-09-05 | 1991-03-19 | Pacesetter Infusion, Ltd. | Automatic tubing lock for ultrasonic sensor interface |
US5029103A (en) * | 1989-11-06 | 1991-07-02 | The Electron Machine Corporation | Carbon dioxide monitor |
US5055368A (en) * | 1990-02-23 | 1991-10-08 | Eastman Kodak Company | Electrophotographic recording elements containing titanyl phthalocyanine pigments and their preparation |
US4981467A (en) * | 1990-02-27 | 1991-01-01 | Baxter International Inc. | Apparatus and method for the detection of air in fluid delivery systems |
US5131271A (en) * | 1990-04-16 | 1992-07-21 | Magnetrol International, Inc. | Ultrasonic level detector |
US5166667A (en) * | 1990-11-29 | 1992-11-24 | Jen Chung H | Intravenous infusion counter and alarm apparatus |
US5382232A (en) * | 1992-03-13 | 1995-01-17 | Ivac Corporation | Infusion system with air-in-line clear function |
US5348015A (en) * | 1992-09-17 | 1994-09-20 | Applied Physiology And Medicine | Method and apparatus for ultrasonically detecting, counting and/or characterizing emboli |
US5394732A (en) * | 1993-09-10 | 1995-03-07 | Cobe Laboratories, Inc. | Method and apparatus for ultrasonic detection of air bubbles |
FR2710538B1 (fr) * | 1993-09-30 | 1995-12-01 | Becton Dickinson Co | Procédé et dispositif de détection de bulles dans une ligne de perfusion. |
US5583280A (en) * | 1995-01-26 | 1996-12-10 | Abbott Laboratories | Air bubble sensor with simplified mounting of piezo elements |
US5843035A (en) * | 1996-04-10 | 1998-12-01 | Baxter International Inc. | Air detector for intravenous infusion system |
US5824881A (en) * | 1996-09-13 | 1998-10-20 | Cobe Laboratories | Gas/fluid detector for contained fluid systems |
US6070761A (en) * | 1997-08-22 | 2000-06-06 | Deka Products Limited Partnership | Vial loading method and apparatus for intelligent admixture and delivery of intravenous drugs |
US6616633B1 (en) * | 1997-09-19 | 2003-09-09 | Alaris Medical Systems, Inc. | Apparatus and method for air-in-line detection |
AUPP189798A0 (en) * | 1998-02-19 | 1998-03-12 | Sheiman, Vladimir | Method of disinfection and sterilisation and a device to realise the method |
US6585684B1 (en) * | 1998-12-22 | 2003-07-01 | Novoste Corporation | Automated system for the radiation treatment of a desired area within the body of a patient |
JP4934778B2 (ja) * | 2007-08-24 | 2012-05-16 | パナソニックエコソリューションズ電路株式会社 | 電気機器 |
US8033157B2 (en) | 2007-10-01 | 2011-10-11 | Baxter International Inc. | Medical fluid air bubble detection apparatus and method |
CA2751519C (en) | 2009-02-06 | 2016-07-26 | Zevex, Inc. | Air bubble detector |
US8836519B2 (en) | 2011-05-12 | 2014-09-16 | Fresenius Medical Care Holdings, Inc. | Determining the absence or presence of fluid in a dialysis system |
US9333286B2 (en) | 2011-05-12 | 2016-05-10 | Fresenius Medical Care Holdings, Inc. | Medical tubing installation detection |
US10254916B2 (en) | 2015-06-29 | 2019-04-09 | Fenwal, Inc. | Systems and methods for monitoring and correcting defects and tubing installation errors for blood processing systems |
US10458920B2 (en) | 2015-08-17 | 2019-10-29 | Fenwal, Inc. | Systems and methods for ensuring proper tubing installation for fluid processing systems |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3648694A (en) * | 1968-09-25 | 1972-03-14 | Inst Oncologic Bucharest | Automatic system with perfusion protection against malfunction |
US3791200A (en) * | 1971-09-09 | 1974-02-12 | H Hayre | Fluid pollution monitoring apparatus and method |
DE2240342B2 (de) * | 1972-08-17 | 1975-11-27 | B. Braun Melsungen Ag, 3508 Melsungen | Vorrichtung zur akustischen Erkennung von Gasblasen in Flüssigkeiten mit korpuskularen Bestandteilen |
US3974681A (en) * | 1973-10-23 | 1976-08-17 | Jerry Namery | Ultrasonic bubble detector |
US3935876A (en) * | 1974-11-15 | 1976-02-03 | Renal Systems, Inc. | Air leak detector |
US4068521A (en) * | 1976-07-22 | 1978-01-17 | Renal Systems, Inc. | Ultrasonic air and blood foam detector |
GB1556461A (en) * | 1976-09-13 | 1979-11-28 | Atomic Energy Authority Uk | Detection of bubbles in a liquid |
US4418565A (en) * | 1980-12-03 | 1983-12-06 | Baxter Travenol Laboratories, Inc. | Ultrasonic bubble detector |
US4501531A (en) * | 1981-12-15 | 1985-02-26 | Baxter Travenol Laboratories, Inc. | Control circuit for a blood fractionation apparatus |
US4481827A (en) * | 1981-12-15 | 1984-11-13 | Baxter Travenol Laboratories, Inc. | Blood fractionation apparatus having collection rate display system |
US4487601A (en) * | 1983-06-20 | 1984-12-11 | Extracorporeal Medical Specialties, Inc. | Bubble detector circuit with variable reference level |
US4607520A (en) * | 1984-01-09 | 1986-08-26 | Introtek Corporation | Method and apparatus for detecting discontinuities in a fluid stream |
-
1984
- 1984-10-31 IT IT68085/84A patent/IT1179808B/it active
-
1985
- 1985-10-02 DE DE8585420175T patent/DE3578977D1/de not_active Expired - Lifetime
- 1985-10-02 EP EP85420175A patent/EP0180526B1/fr not_active Expired - Lifetime
- 1985-10-17 CA CA000493155A patent/CA1256978A/fr not_active Expired
- 1985-10-25 US US06/791,487 patent/US4673927A/en not_active Expired - Lifetime
- 1985-10-28 JP JP60239639A patent/JP2544337B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4673927A (en) | 1987-06-16 |
DE3578977D1 (de) | 1990-09-06 |
IT8468085A1 (it) | 1986-05-01 |
CA1256978A (fr) | 1989-07-04 |
IT8468085A0 (it) | 1984-10-31 |
EP0180526B1 (fr) | 1990-08-01 |
JP2544337B2 (ja) | 1996-10-16 |
EP0180526A3 (en) | 1987-09-30 |
JPS61117437A (ja) | 1986-06-04 |
EP0180526A2 (fr) | 1986-05-07 |
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