DE60039749D1 - Tropfenzähler für geringe durchflussraten - Google Patents
Tropfenzähler für geringe durchflussratenInfo
- Publication number
- DE60039749D1 DE60039749D1 DE60039749T DE60039749T DE60039749D1 DE 60039749 D1 DE60039749 D1 DE 60039749D1 DE 60039749 T DE60039749 T DE 60039749T DE 60039749 T DE60039749 T DE 60039749T DE 60039749 D1 DE60039749 D1 DE 60039749D1
- Authority
- DE
- Germany
- Prior art keywords
- chamber
- drop generator
- flow
- outlet
- flow rates
- 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
Classifications
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
- A61M5/1689—Drip counters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
- A61B5/207—Sensing devices adapted to collect urine
- A61B5/208—Sensing devices adapted to collect urine adapted to determine urine quantity, e.g. flow, volume
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Anesthesiology (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Urology & Nephrology (AREA)
- Physiology (AREA)
- Fluid Mechanics (AREA)
- Vascular Medicine (AREA)
- Molecular Biology (AREA)
- Hematology (AREA)
- Measuring Volume Flow (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Vehicle Body Suspensions (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL12805699A IL128056A (en) | 1999-01-14 | 1999-01-14 | Liquid metering device |
PCT/IL2000/000027 WO2000042394A1 (en) | 1999-01-14 | 2000-01-14 | Droplet counter for low flow rates |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60039749D1 true DE60039749D1 (de) | 2008-09-18 |
Family
ID=11072379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60039749T Expired - Lifetime DE60039749D1 (de) | 1999-01-14 | 2000-01-14 | Tropfenzähler für geringe durchflussraten |
Country Status (12)
Country | Link |
---|---|
US (1) | US6640649B1 (de) |
EP (1) | EP1144961B1 (de) |
JP (2) | JP4646405B2 (de) |
CN (1) | CN1182372C (de) |
AT (1) | ATE403851T1 (de) |
AU (1) | AU771208B2 (de) |
BR (1) | BRPI0008757B8 (de) |
CA (1) | CA2360420C (de) |
DE (1) | DE60039749D1 (de) |
ES (1) | ES2313877T3 (de) |
IL (1) | IL128056A (de) |
WO (1) | WO2000042394A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2735899C1 (ru) * | 2020-06-29 | 2020-11-09 | Акционерное общество "Омское машиностроительное конструкторское бюро" | Способ измерения объемного расхода струйным преобразователем |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL128056A (en) * | 1999-01-14 | 2005-11-20 | S F M Sophisticated Water Mete | Liquid metering device |
US6562012B1 (en) * | 2000-11-20 | 2003-05-13 | Alaris Medical Systems, Inc. | Apparatus and method for measuring drop size in an intravenous drip chamber |
JP4033648B2 (ja) * | 2001-03-26 | 2008-01-16 | 株式会社神戸製鋼所 | 液量算出装置 |
IL146776A (en) * | 2001-11-27 | 2010-11-30 | Yoram Alroy | Device for blood sampling under vacuum conditions |
US6599277B2 (en) * | 2001-11-30 | 2003-07-29 | Bausch & Lomb Incorporated | Aspiration flow meter and control |
US6988497B2 (en) * | 2002-09-18 | 2006-01-24 | Medex Cardio-Pulmonary, Inc. | Apparatus for equalizing air pressure in air respiratory system |
IL152950A0 (en) | 2002-11-19 | 2003-06-24 | Biometrix Ltd | A fluid administrating manifold |
EP1638663A4 (de) * | 2003-05-13 | 2010-12-22 | A L Hadas Technologies Ltd | Vorrichtung zum messen von volumetrischem oder massenfluidstrom |
CN100447536C (zh) * | 2004-02-12 | 2008-12-31 | 上海大学 | 液滴测量方法及装置 |
US7416542B2 (en) * | 2004-04-30 | 2008-08-26 | Medtronic, Inc. | Open circuit gravity-assisted uroflowmeter |
US20180185577A9 (en) | 2004-09-09 | 2018-07-05 | Plc Medical Systems, Inc. | Fluid therapy method |
US7758563B2 (en) | 2004-09-09 | 2010-07-20 | Plc Medical Systems, Inc. | Patient hydration monitoring and maintenance system and method for use with administration of a diuretic |
US11213621B2 (en) | 2004-09-09 | 2022-01-04 | Reprieve Cardiovascular, Inc. | Fluid therapy method |
US7938817B2 (en) * | 2004-09-09 | 2011-05-10 | Plc Medical Systems, Inc. | Patient hydration system and method |
US7736354B2 (en) * | 2004-09-09 | 2010-06-15 | Plc Medical Systems, Inc. | Patient hydration system with hydration state detection |
US7837667B2 (en) * | 2004-09-09 | 2010-11-23 | Plc Medical Systems, Inc. | Patient hydration system with abnormal condition sensing |
US7758562B2 (en) * | 2004-09-09 | 2010-07-20 | Plc Medical Systems, Inc. | Patient hydration system with a redundant monitoring of hydration fluid infusion |
US7727222B2 (en) * | 2004-09-09 | 2010-06-01 | Plc Medical Systems, Inc. | Patient hydration system with taper down feature |
CN100432705C (zh) * | 2004-12-02 | 2008-11-12 | 上海大学 | 液滴法电容式雨量计量方法及装置 |
IL166400A (en) * | 2005-01-20 | 2012-07-31 | Flowsense Ltd | Optical drop detection system |
WO2006137058A2 (en) * | 2005-06-22 | 2006-12-28 | A.L. Hadas Technologies Ltd | Apparatus for measuring volumetric or mass fluid flow |
US20070088333A1 (en) * | 2005-10-13 | 2007-04-19 | G&L Consulting, Llc | Method and system for infusing an osmotic solute into a patient and providing feedback control of the infusing rate |
US8075513B2 (en) * | 2006-10-13 | 2011-12-13 | Plc Medical Systems, Inc. | Patient connection system for a balance hydration unit |
US7777868B2 (en) | 2006-11-07 | 2010-08-17 | Fluid Measurement Technologies, Inc. | System for measuring non-volatile residue in ultra pure water |
EP2081493A2 (de) | 2006-11-14 | 2009-07-29 | Med-I-Dynamix Fluid Monitoring Ltd. | Diagnoseverfahren und gerät |
IL185477A0 (en) | 2007-08-23 | 2008-01-06 | Med I Dynamix Fluid Monitoring | Diagnostic methods and systems based on urine analysis |
US7584656B2 (en) * | 2007-09-12 | 2009-09-08 | Electrolab, Inc. | Floatless rain gauge |
US10045734B2 (en) | 2009-01-28 | 2018-08-14 | Plc Medical Systems, Inc. | Fluid replacement device |
US20120036926A1 (en) * | 2009-02-09 | 2012-02-16 | Pulsion Medical Systems Ag | Device and method for continuously measuring the flow velocity and total volume of a fluid, in particular of urine |
US9074920B2 (en) * | 2009-06-03 | 2015-07-07 | Biometrix Ltd. | Apparatus and method for bedside collection of body fluids and automatic volume level monitoring |
US9357950B2 (en) | 2009-06-03 | 2016-06-07 | Biometrix Ltd. | Apparatus and method of fluid aspiration |
SE534493C2 (sv) | 2009-06-23 | 2011-09-06 | Observe Medical Aps | Anordning och metod för mätning av urinproduktionen hos patienter bärande urinkateter |
US8038657B2 (en) * | 2009-07-15 | 2011-10-18 | Becton, Dickinson And Company | Systems and methods for providing an IV administration set incorporating drip monitoring circuitry |
US8337476B2 (en) * | 2009-08-20 | 2012-12-25 | Greenwald Technologies, Llc | Real time urine monitoring system |
IL200650A0 (en) * | 2009-08-31 | 2010-05-17 | Itay Rozenman | A drop indicator |
US20110056289A1 (en) * | 2009-09-07 | 2011-03-10 | Senghaas Karl A | Floatless Rain Gauge |
US8573049B1 (en) * | 2009-11-06 | 2013-11-05 | Underhill International Corporation | Rain gauge and irrigation system |
CN102116695B (zh) * | 2009-12-31 | 2012-12-26 | 北京谊安医疗系统股份有限公司 | 输液管路的检测方法及装置 |
CN102269611B (zh) * | 2011-01-22 | 2012-08-22 | 宜昌市力天电气有限责任公司 | 防爆流量监测仪 |
KR101123238B1 (ko) * | 2011-08-26 | 2012-03-21 | 한국지질자원연구원 | 전기전도성을 이용한 적설량 및 강설량 측정장치 |
US8359918B1 (en) | 2011-11-16 | 2013-01-29 | King Saud University | Rain gauge with particulate separator |
CN108603780B (zh) * | 2016-02-04 | 2020-02-07 | 金宙科技有限公司 | 液体流量测量装置 |
US11369298B2 (en) * | 2016-09-13 | 2022-06-28 | Kesem Health Pty Ltd | System and a method for measurement of momentary urine flow and urine volume, and the analysis of urine flow properties |
JP6787408B2 (ja) * | 2016-11-30 | 2020-11-18 | 株式会社村田製作所 | 点滴筒用ノズル及び点滴筒 |
WO2018157261A1 (en) * | 2017-03-03 | 2018-09-07 | Technologies Maid Labs Inc. | Volumetric real time flow engine |
CN106991468A (zh) * | 2017-04-14 | 2017-07-28 | 山西医科大学 | 计滴器 |
CN109288530B (zh) * | 2018-09-04 | 2021-06-25 | 曹君利 | 一种无线尿量监测仪及其系统 |
JP7215132B2 (ja) * | 2018-12-14 | 2023-01-31 | Toto株式会社 | 水洗便器 |
US20220287599A1 (en) * | 2019-08-28 | 2022-09-15 | Nippon Telegraph And Telephone Corporation | Wearable Sensor, Perspiration Analysis Device and Method |
US20230118172A1 (en) * | 2020-03-02 | 2023-04-20 | Nippon Telegraph And Telephone Corporation | Wearable Device, Perspiration Analysis Device, and Perspiration Analysis Method |
KR102541956B1 (ko) * | 2021-05-03 | 2023-06-12 | 금오공과대학교 산학협력단 | 점적통에 유입되는 수액을 감지하여 알람을 발생시키는 수액 검출 장치 |
CN114324504B (zh) * | 2021-12-02 | 2023-10-03 | 中国科学院深圳先进技术研究院 | 一种基于电荷存储材料的液滴计数装置制备方法 |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3641543A (en) * | 1969-06-09 | 1972-02-08 | Gordon Eng Co | Low-level detector and drop rate monitor, particularly for intravenous feeding apparatus |
US3712132A (en) * | 1970-09-23 | 1973-01-23 | Nasa | Droplet monitoring probe |
US3859854A (en) | 1973-05-14 | 1975-01-14 | Kendall & Co | Apparatus for measuring a liquid discharge |
JPS5010661A (de) * | 1973-05-28 | 1975-02-03 | ||
US3870065A (en) * | 1973-08-06 | 1975-03-11 | Jr H Gordon Minns | Measuring system |
US3871229A (en) | 1974-01-02 | 1975-03-18 | Data Service Of America Inc | Drop sensing apparatus |
DE2500094C3 (de) | 1975-01-03 | 1979-03-22 | Richard Wolf Gmbh, 7134 Knittlingen | Gerät zur elektrischen Messung von Urinströmmengen |
US4099412A (en) | 1977-06-17 | 1978-07-11 | John Nehrbass | Method of measuring the instantaneous flow rate of urine discharge |
US4261388A (en) * | 1978-05-19 | 1981-04-14 | Frenshore Ltd. | Drop rate controller |
US4343316A (en) | 1980-05-16 | 1982-08-10 | C. R. Bard, Inc. | Electronic urine flow monitor |
US4532936A (en) | 1981-08-21 | 1985-08-06 | Leveen Eric G | Automatic urine flow meter |
US4484582A (en) | 1981-09-09 | 1984-11-27 | Memorial Hospital For Cancer & Allied Diseases | Electrolytic fluid flow rate method and apparatus |
US4740200A (en) * | 1981-10-09 | 1988-04-26 | Alza Corporation | Intravenous system for delivering a beneficial agent |
US4448207A (en) | 1981-11-03 | 1984-05-15 | Vital Metrics, Inc. | Medical fluid measuring system |
US4554687A (en) | 1982-12-17 | 1985-11-26 | Medical Engineering Corporation | Toilet mounted urine flow meter |
US4520667A (en) * | 1983-09-07 | 1985-06-04 | Nelson Joseph A | Nonmechanical digital raingauge |
DE3334805A1 (de) | 1983-09-26 | 1985-04-11 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und vorrichtung zur durchflussmessung kleiner fluessigkeitsmengen |
JPS6086439A (ja) * | 1983-10-19 | 1985-05-16 | Toshiba Corp | 光学式微量定量装置 |
US4683748A (en) | 1984-10-30 | 1987-08-04 | Medical Engineering Corp. | Method and apparatus for measuring dynamic fluid flow rate |
US4650464A (en) * | 1985-06-21 | 1987-03-17 | Minneapolis Medical Research Foundation, Inc. | Method for monitoring infusion of intravenous fluid into a patient |
US4718896A (en) * | 1986-01-10 | 1988-01-12 | Abbott Laboratories | Apparatus and method for controlling the flow of fluid through an administration set |
US4827766A (en) | 1987-06-11 | 1989-05-09 | Nelson Joseph A | Dual filter, drop based, digital raingauge |
US4946439A (en) * | 1988-08-15 | 1990-08-07 | Critikon, Inc. | Dual source parenteral infusion system with secondary infusion module |
JPH0659310B2 (ja) * | 1990-02-06 | 1994-08-10 | アトム株式会社 | 輸液装置における輸液量検出装置 |
US5098408A (en) * | 1990-02-12 | 1992-03-24 | General Automatic Corp. | Automatic intravenous flow controller |
JPH04241874A (ja) * | 1991-01-11 | 1992-08-28 | Otsuka Pharmaceut Factory Inc | 点滴の流量測定装置 |
US5186057A (en) * | 1991-10-21 | 1993-02-16 | Everhart Howard R | Multi-beam liquid-drop size/rate detector apparatus |
DE69231960T2 (de) | 1991-12-19 | 2001-12-06 | Denso Corp., Kariya | Durchflussmesser |
JPH06294669A (ja) * | 1993-04-07 | 1994-10-21 | Brother Ind Ltd | 液滴カウンタ |
DE4338687C1 (de) | 1993-11-12 | 1995-07-06 | Fresenius Ag | Urinmeßgerät und Verfahren zum Ermitteln der Dichte von Urin |
GB2297848B (en) | 1995-09-06 | 1997-03-05 | Spirax Sarco Ltd | Flow meters |
IL128056A (en) * | 1999-01-14 | 2005-11-20 | S F M Sophisticated Water Mete | Liquid metering device |
WO2001014062A1 (en) * | 1999-08-25 | 2001-03-01 | Millipore Corporation | Filtration and purification system for ph neutral solutions |
-
1999
- 1999-01-14 IL IL12805699A patent/IL128056A/xx not_active IP Right Cessation
-
2000
- 2000-01-14 DE DE60039749T patent/DE60039749D1/de not_active Expired - Lifetime
- 2000-01-14 AU AU19996/00A patent/AU771208B2/en not_active Ceased
- 2000-01-14 CN CNB008037663A patent/CN1182372C/zh not_active Expired - Fee Related
- 2000-01-14 CA CA2360420A patent/CA2360420C/en not_active Expired - Fee Related
- 2000-01-14 ES ES00900330T patent/ES2313877T3/es not_active Expired - Lifetime
- 2000-01-14 EP EP00900330A patent/EP1144961B1/de not_active Expired - Lifetime
- 2000-01-14 JP JP2000593921A patent/JP4646405B2/ja not_active Expired - Fee Related
- 2000-01-14 BR BRPI0008757A patent/BRPI0008757B8/pt not_active IP Right Cessation
- 2000-01-14 WO PCT/IL2000/000027 patent/WO2000042394A1/en active Search and Examination
- 2000-01-14 US US09/889,206 patent/US6640649B1/en not_active Expired - Lifetime
- 2000-01-14 AT AT00900330T patent/ATE403851T1/de not_active IP Right Cessation
-
2010
- 2010-05-25 JP JP2010119288A patent/JP5285025B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2735899C1 (ru) * | 2020-06-29 | 2020-11-09 | Акционерное общество "Омское машиностроительное конструкторское бюро" | Способ измерения объемного расхода струйным преобразователем |
Also Published As
Publication number | Publication date |
---|---|
JP4646405B2 (ja) | 2011-03-09 |
CA2360420A1 (en) | 2000-07-20 |
ES2313877T3 (es) | 2009-03-16 |
ATE403851T1 (de) | 2008-08-15 |
AU1999600A (en) | 2000-08-01 |
CN1182372C (zh) | 2004-12-29 |
EP1144961A1 (de) | 2001-10-17 |
IL128056A0 (en) | 1999-11-30 |
BR0008757A (pt) | 2001-11-06 |
JP2010286482A (ja) | 2010-12-24 |
JP2002535607A (ja) | 2002-10-22 |
EP1144961B1 (de) | 2008-08-06 |
CN1340151A (zh) | 2002-03-13 |
JP5285025B2 (ja) | 2013-09-11 |
AU771208B2 (en) | 2004-03-18 |
CA2360420C (en) | 2011-09-13 |
BRPI0008757B8 (pt) | 2017-07-04 |
WO2000042394A1 (en) | 2000-07-20 |
BRPI0008757B1 (pt) | 2016-12-06 |
IL128056A (en) | 2005-11-20 |
US6640649B1 (en) | 2003-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
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