DE69216680T2 - Rohreinbau-Fluidüberwachungssystem und Verfahren - Google Patents
Rohreinbau-Fluidüberwachungssystem und VerfahrenInfo
- Publication number
- DE69216680T2 DE69216680T2 DE69216680T DE69216680T DE69216680T2 DE 69216680 T2 DE69216680 T2 DE 69216680T2 DE 69216680 T DE69216680 T DE 69216680T DE 69216680 T DE69216680 T DE 69216680T DE 69216680 T2 DE69216680 T2 DE 69216680T2
- Authority
- DE
- Germany
- Prior art keywords
- fluid
- signal
- segment
- load
- gas
- 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 - Lifetime
Links
- 239000012530 fluid Substances 0.000 title claims description 177
- 238000012544 monitoring process Methods 0.000 title claims description 19
- 238000000034 method Methods 0.000 title claims description 16
- 238000009434 installation Methods 0.000 title 1
- 230000008859 change Effects 0.000 claims description 31
- 230000005684 electric field Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 18
- 239000000203 mixture Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 13
- 230000035945 sensitivity Effects 0.000 description 10
- 239000000523 sample Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000356 contaminant Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000001802 infusion Methods 0.000 description 5
- 238000012806 monitoring device Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000008121 dextrose Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Details Of Flowmeters (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/693,357 US5260665A (en) | 1991-04-30 | 1991-04-30 | In-line fluid monitor system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69216680D1 DE69216680D1 (de) | 1997-02-27 |
| DE69216680T2 true DE69216680T2 (de) | 1997-06-12 |
Family
ID=24784322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69216680T Expired - Lifetime DE69216680T2 (de) | 1991-04-30 | 1992-04-29 | Rohreinbau-Fluidüberwachungssystem und Verfahren |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5260665A (enExample) |
| EP (1) | EP0511651B1 (enExample) |
| JP (1) | JP2564447B2 (enExample) |
| DE (1) | DE69216680T2 (enExample) |
Families Citing this family (106)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5455565A (en) * | 1993-11-08 | 1995-10-03 | Ivac Corporation | Fluid monitor system and method using a resonator |
| US5515714A (en) * | 1994-11-17 | 1996-05-14 | General Motors Corporation | Vapor composition and flow sensor |
| US5612622A (en) * | 1994-12-28 | 1997-03-18 | Optical Solutions, Inc. | Apparatus for identifying particular entities in a liquid using electrical conductivity characteristics |
| US6192752B1 (en) | 1995-08-04 | 2001-02-27 | Zevex, Inc. | Noninvasive electromagnetic fluid level sensor |
| US5764538A (en) * | 1995-12-04 | 1998-06-09 | Man-Gill Chemical Company | System interface for microwave conductivity sensor |
| US5901633A (en) * | 1996-11-27 | 1999-05-11 | Case Corporation | Method and apparatus for sensing piston position using a dipstick assembly |
| US5977778A (en) * | 1996-11-27 | 1999-11-02 | Case Corporation | Method and apparatus for sensing piston position |
| US6142059A (en) * | 1996-11-27 | 2000-11-07 | Case Corporation | Method and apparatus for sensing the orientation of a mechanical actuator |
| US6025725A (en) * | 1996-12-05 | 2000-02-15 | Massachusetts Institute Of Technology | Electrically active resonant structures for wireless monitoring and control |
| US5927349A (en) | 1996-12-09 | 1999-07-27 | Baxter International Inc. | Compounding assembly for nutritional fluids |
| DE19651355B4 (de) * | 1996-12-10 | 2004-03-18 | Fresenius Medical Care Deutschland Gmbh | Gasblasendetektor |
| WO1998046985A1 (en) | 1997-04-16 | 1998-10-22 | Kaiku Limited | Assessing the composition of liquids |
| US6028433A (en) * | 1997-05-14 | 2000-02-22 | Reid Asset Management Company | Portable fluid screening device and method |
| US6204656B1 (en) | 1997-05-29 | 2001-03-20 | Reid Asset Management Company | Miniature sensor for lubricant analysis |
| US6616633B1 (en) * | 1997-09-19 | 2003-09-09 | Alaris Medical Systems, Inc. | Apparatus and method for air-in-line detection |
| US6005395A (en) * | 1997-11-12 | 1999-12-21 | Case Corporation | Method and apparatus for sensing piston position |
| US6199603B1 (en) | 1998-08-14 | 2001-03-13 | Baxter International Inc. | Compounding assembly for nutritional fluids |
| GB9901304D0 (en) * | 1999-01-22 | 1999-03-10 | Univ Liverpool | Apparatus and method for determining dielectric properties of an electrically conductive fluid |
| US6386050B1 (en) * | 1999-12-21 | 2002-05-14 | Agilent Technologies, Inc. | Non-invasive fluid flow sensing based on injected heat tracers and indirect temperature monitoring |
| US20010037724A1 (en) | 2000-03-08 | 2001-11-08 | Schumacher Mark S. | System for controlling hydraulic actuator |
| DE60112266T2 (de) | 2000-03-08 | 2006-06-08 | Rosemount Inc., Eden Prairie | Bidirektionaler differenzdruck- durchflusssensor |
| US20010037689A1 (en) | 2000-03-08 | 2001-11-08 | Krouth Terrance F. | Hydraulic actuator piston measurement apparatus and method |
| AU2001241641A1 (en) | 2000-03-08 | 2001-09-17 | Rosemount, Inc. | Piston position measuring device |
| US6566892B2 (en) * | 2000-06-19 | 2003-05-20 | Siemens Vdo Automotive Corporation | Portable fuel analyzer for analyzing the alcohol content of a mixed fuel |
| DE10112499B4 (de) | 2001-03-15 | 2010-08-19 | Hauni Maschinenbau Ag | Resonatoreinrichtung, insbesondere Mikrowellenresonatoreinrichtung |
| US6531708B1 (en) | 2001-04-16 | 2003-03-11 | Zevex, Inc. | Optical bubble detection system |
| US6659976B2 (en) | 2001-04-16 | 2003-12-09 | Zevek, Inc. | Feeding set adaptor |
| US6523414B1 (en) | 2001-04-16 | 2003-02-25 | Zevex, Inc. | Optical pressure monitoring system |
| US6588313B2 (en) | 2001-05-16 | 2003-07-08 | Rosemont Inc. | Hydraulic piston position sensor |
| US6779396B2 (en) * | 2002-04-08 | 2004-08-24 | Takao Tsuda | Method for measuring flow within an open tube |
| ES2199079B2 (es) * | 2002-07-24 | 2005-05-16 | Asm-Dimatec Ingenieria, S.A. | Detector de burbujas por microondas. |
| US7527608B2 (en) | 2002-08-12 | 2009-05-05 | Lma North America, Inc. | Medication infusion and aspiration system and method |
| US6893414B2 (en) * | 2002-08-12 | 2005-05-17 | Breg, Inc. | Integrated infusion and aspiration system and method |
| US6722260B1 (en) | 2002-12-11 | 2004-04-20 | Rosemount Inc. | Hydraulic piston position sensor |
| US6722261B1 (en) | 2002-12-11 | 2004-04-20 | Rosemount Inc. | Hydraulic piston position sensor signal processing |
| US6952148B2 (en) * | 2003-03-11 | 2005-10-04 | Harris Corporation | RF delay lines with variable displacement fluidic dielectric |
| US6975187B2 (en) * | 2003-04-16 | 2005-12-13 | Harris Corporation | Continuously tunable waveguide filter |
| US6985047B2 (en) * | 2003-04-16 | 2006-01-10 | Harris Corporation | Continuously tunable waveguide attenuator |
| US7378849B2 (en) | 2003-10-07 | 2008-05-27 | Sra International, Inc. | Method and apparatus for obtaining spatial information and measuring the dielectric constant of an object |
| JP4729856B2 (ja) * | 2003-10-31 | 2011-07-20 | Ｔｄｋ株式会社 | 粉体の誘電体の比誘電率の測定方法 |
| US7862875B2 (en) | 2004-10-04 | 2011-01-04 | Trico Corporation | Flinger disc |
| US7541004B2 (en) * | 2004-11-12 | 2009-06-02 | Predict, Inc. | MEMS-based sensor for lubricant analysis |
| US20060276748A1 (en) * | 2005-05-17 | 2006-12-07 | Infussafe Llc | Infusion monitoring device system and method |
| ITBO20060585A1 (it) * | 2006-08-03 | 2008-02-04 | Gd Spa | Dispositivo per la rilevazione di una caratteristica di un materiale fibroso. |
| TW200834275A (en) * | 2006-09-05 | 2008-08-16 | Celerity Inc | Multi-gas flow device |
| US20080103445A1 (en) * | 2006-09-29 | 2008-05-01 | Blaine David H | Method and Apparatus for Detecting Air Bubbles |
| US7726174B2 (en) * | 2006-10-24 | 2010-06-01 | Zevex, Inc. | Universal air bubble detector |
| WO2009029533A1 (en) | 2007-08-24 | 2009-03-05 | Zevex, Inc. | Ultrasonic air and fluid detector |
| US8858787B2 (en) | 2007-10-22 | 2014-10-14 | Baxter International Inc. | Dialysis system having non-invasive fluid velocity sensing |
| WO2009073859A1 (en) | 2007-12-07 | 2009-06-11 | Zevex, Inc. | Method of inducing transverse motion in langevin type transducers using split electroding of ceramic elements |
| US9026370B2 (en) | 2007-12-18 | 2015-05-05 | Hospira, Inc. | User interface improvements for medical devices |
| US8096164B2 (en) | 2008-01-17 | 2012-01-17 | Trico Corporation | Apparatus and methods for management of fluid condition |
| JP5199692B2 (ja) * | 2008-02-14 | 2013-05-15 | サーパス工業株式会社 | 流量測定方法及び流量測定装置 |
| EP2262551A1 (en) * | 2008-03-10 | 2010-12-22 | S.E.A. Medical Systems, Inc. | Intravenous fluid monitoring |
| US8220671B2 (en) | 2008-03-12 | 2012-07-17 | Trico Corporation | Lubricant dispenser with nozzle |
| GB0805571D0 (en) * | 2008-03-27 | 2008-04-30 | Isis Innovation | Microwave cavity sensor |
| USD687923S1 (en) | 2008-06-03 | 2013-08-13 | Trico Corporation | Lubricant dispensing nozzle |
| GB0900746D0 (en) | 2009-01-16 | 2009-03-04 | Oxford Rf Sensors Ltd | Delay-line self oscillator |
| GB0900744D0 (en) * | 2009-01-16 | 2009-03-04 | Oxford Rf Sensors Ltd | Remote sensor device |
| US8539812B2 (en) | 2009-02-06 | 2013-09-24 | Zevek, Inc. | Air bubble detector |
| US8147684B2 (en) | 2009-03-27 | 2012-04-03 | Trico Corporation | Apparatus and methods for lubricant filtration and drum pump filtration system |
| RU2011154222A (ru) * | 2009-06-08 | 2013-07-20 | Эс.И.Эй. МЕДИКАЛ СИСТЕМЗ, ИНК. | Системы и способы для идентификации соединений в медицинских жидкостях с использованием спектроскопии полной проводимости |
| US9052276B2 (en) | 2009-06-08 | 2015-06-09 | S.E.A. Medical Systems, Inc. | Systems and methods for the identification of compounds using admittance spectroscopy |
| US10911515B2 (en) | 2012-05-24 | 2021-02-02 | Deka Products Limited Partnership | System, method, and apparatus for electronic patient care |
| US8147683B2 (en) | 2010-01-22 | 2012-04-03 | Trico Corporation | Portable lubricant filtration system and method |
| JP2013542414A (ja) | 2010-09-09 | 2013-11-21 | エス．イー．エイ． メディカル システムズ インコーポレイテッド | イミタンス分光法を使用する静注薬物管理のためのシステム及び方法 |
| US20120121469A1 (en) * | 2010-11-11 | 2012-05-17 | Impulse Devices Inc. | Pressurized Acoustic Resonator With Fluid Flow-Through Feature |
| WO2013028497A1 (en) | 2011-08-19 | 2013-02-28 | Hospira, Inc. | Systems and methods for a graphical interface including a graphical representation of medical data |
| CA2845278C (en) | 2011-08-19 | 2020-06-02 | Hospira, Inc. | Detecting air in the fluid delivery line despite stuck fluid droplets |
| US10022498B2 (en) | 2011-12-16 | 2018-07-17 | Icu Medical, Inc. | System for monitoring and delivering medication to a patient and method of using the same to minimize the risks associated with automated therapy |
| US9283332B2 (en) | 2012-02-29 | 2016-03-15 | B. Braun Medical, Inc. | Intelligent air bubble detector and counters for automated infusion systems |
| US8821432B2 (en) | 2012-02-29 | 2014-09-02 | B. Braun Medical Inc. | Split and multiple air bubble sensors for automated infusion systems |
| US9995611B2 (en) | 2012-03-30 | 2018-06-12 | Icu Medical, Inc. | Air detection system and method for detecting air in a pump of an infusion system |
| USD687922S1 (en) | 2012-04-25 | 2013-08-13 | Trico Corporation | Lubricant dispenser |
| USD687921S1 (en) | 2012-04-25 | 2013-08-13 | Trico Corporation | Lubricant dispenser |
| USD696956S1 (en) | 2012-04-25 | 2014-01-07 | Trico Corporation | Lubricant dispenser |
| NL1039729C2 (en) * | 2012-07-15 | 2014-01-16 | Stichting Wetsus Ct Excellence Sustainable Water Technology | Method and device for measuring dielectric properties of a fluid through an array of cavities in a stack of printed circuit boards. |
| NL1039730C2 (en) * | 2012-07-15 | 2014-01-16 | Stichting Wetsus Ct Excellence Sustainable Water Technology | Method and device for measuring dielectric properties of individual fluid samples present in an array of cavities in a stack of printed circuit boards. |
| NL1039732C2 (en) * | 2012-07-15 | 2014-01-16 | Stichting Wetsus Ct Excellence Sustainable Water Technology | Method and device for measuring dielectric properties of a fluid and suppressing wave reflections. |
| WO2014022513A1 (en) | 2012-07-31 | 2014-02-06 | Hospira, Inc. | Patient care system for critical medications |
| US10046112B2 (en) | 2013-05-24 | 2018-08-14 | Icu Medical, Inc. | Multi-sensor infusion system for detecting air or an occlusion in the infusion system |
| ES2845748T3 (es) | 2013-05-29 | 2021-07-27 | Icu Medical Inc | Sistema de infusión y método de uso que impiden la sobresaturación de un convertidor analógico-digital |
| CA2913915C (en) | 2013-05-29 | 2022-03-29 | Hospira, Inc. | Infusion system which utilizes one or more sensors and additional information to make an air determination regarding the infusion system |
| US9719964B2 (en) * | 2013-07-31 | 2017-08-01 | Deka Products Limited Partnership | System, method, and apparatus for bubble detection in a fluid line using a split-ring resonator |
| US10585075B2 (en) | 2014-02-27 | 2020-03-10 | Elemental Scientific, Inc. | System for collecting liquid samples |
| WO2015131148A1 (en) | 2014-02-27 | 2015-09-03 | Elemental Scientific, Inc. | System for collecting liquid samples from a distance |
| WO2015131108A2 (en) | 2014-02-28 | 2015-09-03 | Hospira, Inc. | Infusion system and method which utilizes dual wavelength optical air-in-line detection |
| WO2015184366A1 (en) | 2014-05-29 | 2015-12-03 | Hospira, Inc. | Infusion system and pump with configurable closed loop delivery rate catch-up |
| CN106662569B (zh) * | 2014-06-07 | 2020-02-28 | 艾西里昂公司 | 检测体液中的成分的微加工的传感器和方法 |
| US11344668B2 (en) | 2014-12-19 | 2022-05-31 | Icu Medical, Inc. | Infusion system with concurrent TPN/insulin infusion |
| US10850024B2 (en) | 2015-03-02 | 2020-12-01 | Icu Medical, Inc. | Infusion system, device, and method having advanced infusion features |
| KR102608219B1 (ko) * | 2015-06-26 | 2023-11-29 | 엘리멘탈 사이언티픽, 인코포레이티드 | 액체 샘플 수집을 위한 시스템 |
| EP4085944A1 (en) | 2016-05-13 | 2022-11-09 | ICU Medical, Inc. | Infusion pump system with common line auto flush |
| EP3468635B1 (en) | 2016-06-10 | 2024-09-25 | ICU Medical, Inc. | Acoustic flow sensor for continuous medication flow measurements and feedback control of infusion |
| TWI665430B (zh) * | 2017-11-21 | 2019-07-11 | 國立成功大學 | 微波流速計與流速量測方法 |
| US10089055B1 (en) | 2017-12-27 | 2018-10-02 | Icu Medical, Inc. | Synchronized display of screen content on networked devices |
| CN109085185B (zh) * | 2018-06-27 | 2021-06-01 | 电子科技大学 | 一种测量粮食含水率的双重入式谐振腔在线测量装置 |
| KR102772872B1 (ko) * | 2018-09-07 | 2025-02-25 | 한국전자통신연구원 | 전자기 공명 현상을 이용한 유량 측정 방법 및 이를 위한 장치 |
| WO2020205301A1 (en) * | 2019-03-29 | 2020-10-08 | President And Fellows Of Harvard College | Subwavelength resonator for acoustophoretic printing |
| US11278671B2 (en) | 2019-12-04 | 2022-03-22 | Icu Medical, Inc. | Infusion pump with safety sequence keypad |
| CA3189781A1 (en) | 2020-07-21 | 2022-01-27 | Icu Medical, Inc. | Fluid transfer devices and methods of use |
| US11135360B1 (en) | 2020-12-07 | 2021-10-05 | Icu Medical, Inc. | Concurrent infusion with common line auto flush |
| USD1091564S1 (en) | 2021-10-13 | 2025-09-02 | Icu Medical, Inc. | Display screen or portion thereof with graphical user interface for a medical device |
| WO2023108030A1 (en) | 2021-12-10 | 2023-06-15 | Icu Medical, Inc. | Medical fluid compounding systems with coordinated flow control |
| CN114607942B (zh) * | 2022-04-21 | 2024-04-26 | 国仪量子技术(合肥)股份有限公司 | 液体输送控制方法和谐振腔液体输送系统 |
| EP4530765A1 (de) | 2023-09-28 | 2025-04-02 | Siemens Aktiengesellschaft | Leitsystem für eine technische anlage und betriebsverfahren |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3688188A (en) * | 1970-12-21 | 1972-08-29 | Bendix Corp | Means for measuring the density of fluid in a conduit |
| US3883798A (en) * | 1972-05-04 | 1975-05-13 | Hoffmann La Roche | Free flow resonant cavity measuring apparatus |
| US3898637A (en) * | 1973-07-27 | 1975-08-05 | Eugene B Wolstenholme | Detection means for gas entering human blood system from extra-corporeal tubing |
| US4014206A (en) * | 1975-03-31 | 1977-03-29 | Akron City Hospital | Apparatus and method for monitoring air emboli during extracorporeal circulation |
| US4228683A (en) * | 1975-06-19 | 1980-10-21 | Bayer Aktiengesellschaft | Method of determining liquid flow in a conduit |
| US4211987A (en) * | 1977-11-30 | 1980-07-08 | Harris Corporation | Cavity excitation utilizing microstrip, strip, or slot line |
| US4237730A (en) * | 1978-09-15 | 1980-12-09 | Selas Corporation Of America | Fluid velocity measurement system |
| US4174637A (en) * | 1978-10-19 | 1979-11-20 | International Business Machines Corporation | Pressure monitoring system |
| US4280495A (en) * | 1978-11-24 | 1981-07-28 | Sarns, Inc. | Air emboli detection |
| FR2462711A1 (fr) * | 1979-07-26 | 1981-02-13 | Joly Luc | Procede de mesure de vitesse d'ecoulement d'un fluide par determination de la duree de transit d'un marqueur, et debitmetre fonde sur ce procede |
| US4483200A (en) * | 1981-01-19 | 1984-11-20 | Anima Corporation | Thermal pulse flowmeter |
| US4423623A (en) * | 1981-08-24 | 1984-01-03 | Rockwell International Corporation | Microwave meter for fluid mixtures |
| US4613325A (en) * | 1982-07-19 | 1986-09-23 | Abrams Lawrence M | Flow rate sensing device |
| DE3412704A1 (de) * | 1983-04-06 | 1984-10-11 | Nippondenso Co., Ltd., Kariya, Aichi | Vorrichtung zum messen des alkoholgehaltes in kraftstoffgemischen |
| US4898576A (en) * | 1986-06-06 | 1990-02-06 | Philip James H | Intravenous fluid flow monitor |
| US4743228A (en) * | 1986-08-18 | 1988-05-10 | Ivac Corporation | Fluid flow monitoring method and system |
| DE68901462D1 (de) * | 1988-01-22 | 1992-06-17 | Atomic Energy Authority Uk | Material-charakterisierung. |
| US5026348A (en) * | 1988-06-06 | 1991-06-25 | The General Hospital Corporation | Apparatus and method for the detection of IV catheter obstruction and extravasation |
| JPH07113599B2 (ja) * | 1988-07-29 | 1995-12-06 | 三菱石油株式会社 | 流動液体中の気泡含有量の動的定量装置 |
| US4912982A (en) * | 1988-10-11 | 1990-04-03 | Spatial Dynamics, Ltd. | Non-perturbing cavity method and apparatus for measuring certain parameters of fluid within a conduit |
| US4938079A (en) * | 1989-03-06 | 1990-07-03 | Ivac Corporation | Thermal transit time flow measurement system |
-
1991
- 1991-04-30 US US07/693,357 patent/US5260665A/en not_active Expired - Lifetime
-
1992
- 1992-04-29 DE DE69216680T patent/DE69216680T2/de not_active Expired - Lifetime
- 1992-04-29 EP EP92107310A patent/EP0511651B1/en not_active Expired - Lifetime
- 1992-04-30 JP JP4138108A patent/JP2564447B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0511651B1 (en) | 1997-01-15 |
| DE69216680D1 (de) | 1997-02-27 |
| HK1006038A1 (en) | 1999-02-05 |
| EP0511651A3 (enExample) | 1994-03-09 |
| JP2564447B2 (ja) | 1996-12-18 |
| JPH06236496A (ja) | 1994-08-23 |
| EP0511651A2 (en) | 1992-11-04 |
| US5260665A (en) | 1993-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69216680T2 (de) | Rohreinbau-Fluidüberwachungssystem und Verfahren | |
| DE69022449T2 (de) | Nach dem thermischen Laufzeitprinzip arbeitendes Durchflussmesssystem. | |
| DE68919771T2 (de) | Vorrichtung zur Feststellung von Gasen in Blutgefässen. | |
| DE69014262T2 (de) | Hämatokritmessvorrichtung. | |
| CA1060561A (en) | Detection means for gas entering human blood system from extra-corporeal tubing | |
| DE69927263T2 (de) | Luftblasensensor | |
| US3974681A (en) | Ultrasonic bubble detector | |
| DE3686620T2 (de) | Einrichtung zur infiltrationsanzeige. | |
| DE19821903B4 (de) | Blutanalysesystem zum Verfahren zum Steuern eines Blutanalysesystems | |
| DE60312389T2 (de) | Messung der qualität und/oder der zersetzung von speiseöl, kochgerät | |
| DE3882807T2 (de) | Ultraschall-Detektor. | |
| EP0163976B1 (de) | Messvorrichtung zur Bestimmung der Aktivität oder der Konzentration von Ionen in Lösungen | |
| DE69404648T2 (de) | Empfindlichkeitsprüfungsvorrichtung für rauchdetektor | |
| DE102006001623B4 (de) | Behälter und Verfahren zum Mischen von Medien | |
| DE60312737T2 (de) | Verfahren und Vorrichtung zur Messung von Blutbestandteilen | |
| US4751476A (en) | Detector device and method for distinguishing between fluids having different dielectric properties | |
| DE19837667A1 (de) | Multifunktionssensor | |
| DE2736218B2 (de) | Anordnung zur automatischen Erfassung von Luftblasen in einer Strömungsmittelleitung | |
| ES2073564T3 (es) | Un metodo de vigilancia continua del funcionamiento de un sistema de suministro, y un dispositivo para realizar este metodo. | |
| US5455565A (en) | Fluid monitor system and method using a resonator | |
| DE3141576A1 (de) | "verfahren zur erkennung von gasblasen in einem fluessigen medium und vorrichtung zur durchfuehrung dieses verfahrens" | |
| DE19934041C2 (de) | Füllstand-Sensorvorrichtung | |
| DE3242848C2 (enExample) | ||
| DE69308483T2 (de) | Leitfähigkeitsmesswertaufnehmer | |
| WO2000003750A1 (de) | Bestrahlung einer flüssigkeit in einem rotierenden zylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: CARDINAL HEALTH 303, INC. (N.D.GES.D. STAATES DELA |
|
| 8328 | Change in the person/name/address of the agent |
Representative=s name: PATENTANWAELTE HAUCK, GRAALFS, WEHNERT, DOERING, SIE |
|
| 8328 | Change in the person/name/address of the agent |
Representative=s name: HEYER, V., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 806 |
|
| R071 | Expiry of right |
Ref document number: 511651 Country of ref document: EP |