DE3923079A1 - Verfahren und vorrichtung zum messen der fuellstandshoehe von elektrisch leitenden fluessigkeiten - Google Patents

Verfahren und vorrichtung zum messen der fuellstandshoehe von elektrisch leitenden fluessigkeiten

Info

Publication number
DE3923079A1
DE3923079A1 DE19893923079 DE3923079A DE3923079A1 DE 3923079 A1 DE3923079 A1 DE 3923079A1 DE 19893923079 DE19893923079 DE 19893923079 DE 3923079 A DE3923079 A DE 3923079A DE 3923079 A1 DE3923079 A1 DE 3923079A1
Authority
DE
Germany
Prior art keywords
syringe
liquid
container
infusion
electrically conductive
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.)
Granted
Application number
DE19893923079
Other languages
German (de)
English (en)
Other versions
DE3923079C2 (enExample
Inventor
Hans-Dietrich Dr Polaschegg
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.)
Fresenius SE and Co KGaA
Original Assignee
Fresenius SE and Co KGaA
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 Fresenius SE and Co KGaA filed Critical Fresenius SE and Co KGaA
Priority to DE19893923079 priority Critical patent/DE3923079A1/de
Publication of DE3923079A1 publication Critical patent/DE3923079A1/de
Application granted granted Critical
Publication of DE3923079C2 publication Critical patent/DE3923079C2/de
Granted legal-status Critical Current

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
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • 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
    • G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • 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
    • G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/268—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
DE19893923079 1989-07-13 1989-07-13 Verfahren und vorrichtung zum messen der fuellstandshoehe von elektrisch leitenden fluessigkeiten Granted DE3923079A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893923079 DE3923079A1 (de) 1989-07-13 1989-07-13 Verfahren und vorrichtung zum messen der fuellstandshoehe von elektrisch leitenden fluessigkeiten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893923079 DE3923079A1 (de) 1989-07-13 1989-07-13 Verfahren und vorrichtung zum messen der fuellstandshoehe von elektrisch leitenden fluessigkeiten

Publications (2)

Publication Number Publication Date
DE3923079A1 true DE3923079A1 (de) 1991-01-24
DE3923079C2 DE3923079C2 (enExample) 1991-12-19

Family

ID=6384901

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893923079 Granted DE3923079A1 (de) 1989-07-13 1989-07-13 Verfahren und vorrichtung zum messen der fuellstandshoehe von elektrisch leitenden fluessigkeiten

Country Status (1)

Country Link
DE (1) DE3923079A1 (enExample)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443187A (en) * 1992-02-20 1995-08-22 Metpump Ab Pump apparatus for pumping melt metal
DE19624215C1 (de) * 1996-06-18 1997-04-03 Tricumed Gmbh Implantierbare Infusionspumpe
WO2007107558A3 (en) * 2006-03-20 2008-01-17 Novo Nordisk As Determination of cartridge content by capacitive means
US8052655B2 (en) 2006-09-29 2011-11-08 Novo Nordisk A/S Injection device with electronic detecting means
WO2012164123A1 (es) * 2011-05-31 2012-12-06 Consejo Superior De Investigaciones Científicas (Csic) Dispositivo para la medición automática de la cantidad de líquido que fluye y el procedimiento para su medición
US8641683B2 (en) 2005-04-24 2014-02-04 Novo Nordisk A/S Injection device
US8708957B2 (en) 2007-12-31 2014-04-29 Novo Nordisk A/S Electronically monitored injection device
US8900204B2 (en) 2006-05-16 2014-12-02 Novo Nordisk A/S Gearing mechanism for an injection device
US9008764B2 (en) 2006-03-20 2015-04-14 Novo Nordisk A/S Determination of position of injection needle
US9022991B2 (en) 2000-06-16 2015-05-05 Novo Nordisk A/S Injection device
US9108006B2 (en) 2007-08-17 2015-08-18 Novo Nordisk A/S Medical device with value sensor
AT516283B1 (de) * 2015-01-28 2016-04-15 Seibersdorf Labor Gmbh Abgabevorrichtung
US9533106B2 (en) 2011-12-29 2017-01-03 Novo Nordisk A/S Torsion-spring based wind-up auto injector pen with dial-up/dial-down mechanism
CN106323415A (zh) * 2016-08-18 2017-01-11 四川泛华航空仪表电器有限公司 电容式油量传感器电容值调整方法
USRE46363E1 (en) 2004-10-21 2017-04-11 Novo Nordisk A/S Dial-down mechanism for wind-up pen
CN113227578A (zh) * 2018-12-27 2021-08-06 株式会社岛津制作所 检测注射泵有无吸入液体的方法及具备注射泵的装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101400394B (zh) 2006-03-10 2012-07-04 诺沃-诺迪斯克有限公司 具有传动部件的注射装置
JP5062768B2 (ja) 2006-03-10 2012-10-31 ノボ・ノルデイスク・エー／エス 注射装置および該装置のカートリッジを交換する方法
JP5253387B2 (ja) 2006-05-18 2013-07-31 ノボ・ノルデイスク・エー／エス モード固定手段を備えている注入装置
WO2008116766A1 (en) 2007-03-23 2008-10-02 Novo Nordisk A/S An injection device comprising a locking nut
US12415165B2 (en) * 2019-10-24 2025-09-16 Fenwal, Inc. Small volume processing systems and methods with capacitive sensing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701345A (en) * 1970-09-29 1972-10-31 Medrad Inc Angiographic injector equipment
DE2832908A1 (de) * 1978-07-27 1980-02-14 Olympia Werke Ag Anordnung zur abfrage des fuellstandes in einem fluessigkeitsbehaelter
DE3248449A1 (de) * 1982-01-16 1983-07-21 Jastram-Werke GmbH & Co KG, 2050 Hamburg Verfahren zur messung des fluessigkeitsspiegels von elektrisch leitenden medien in fluessigkeitsbehaeltern mit sich veraenderndem fluessigkeitsniveau und eine vorrichtung zur durchfuehrung des verfahrens

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701345A (en) * 1970-09-29 1972-10-31 Medrad Inc Angiographic injector equipment
DE2832908A1 (de) * 1978-07-27 1980-02-14 Olympia Werke Ag Anordnung zur abfrage des fuellstandes in einem fluessigkeitsbehaelter
DE3248449A1 (de) * 1982-01-16 1983-07-21 Jastram-Werke GmbH & Co KG, 2050 Hamburg Verfahren zur messung des fluessigkeitsspiegels von elektrisch leitenden medien in fluessigkeitsbehaeltern mit sich veraenderndem fluessigkeitsniveau und eine vorrichtung zur durchfuehrung des verfahrens

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443187A (en) * 1992-02-20 1995-08-22 Metpump Ab Pump apparatus for pumping melt metal
DE19624215C1 (de) * 1996-06-18 1997-04-03 Tricumed Gmbh Implantierbare Infusionspumpe
US10245383B2 (en) 2000-06-16 2019-04-02 Novo Nordisk A/S Injection device
US9022991B2 (en) 2000-06-16 2015-05-05 Novo Nordisk A/S Injection device
USRE46363E1 (en) 2004-10-21 2017-04-11 Novo Nordisk A/S Dial-down mechanism for wind-up pen
US8641683B2 (en) 2005-04-24 2014-02-04 Novo Nordisk A/S Injection device
JP2009529999A (ja) * 2006-03-20 2009-08-27 ノボ・ノルデイスク・エー／エス 容量性手段によるカートリッジ内容物の測定
US9008764B2 (en) 2006-03-20 2015-04-14 Novo Nordisk A/S Determination of position of injection needle
WO2007107558A3 (en) * 2006-03-20 2008-01-17 Novo Nordisk As Determination of cartridge content by capacitive means
US8900204B2 (en) 2006-05-16 2014-12-02 Novo Nordisk A/S Gearing mechanism for an injection device
US8632509B2 (en) 2006-09-29 2014-01-21 Novo Nordisk A/S Injection device with electronic detecting means
US8052655B2 (en) 2006-09-29 2011-11-08 Novo Nordisk A/S Injection device with electronic detecting means
US9108006B2 (en) 2007-08-17 2015-08-18 Novo Nordisk A/S Medical device with value sensor
US8708957B2 (en) 2007-12-31 2014-04-29 Novo Nordisk A/S Electronically monitored injection device
WO2012164123A1 (es) * 2011-05-31 2012-12-06 Consejo Superior De Investigaciones Científicas (Csic) Dispositivo para la medición automática de la cantidad de líquido que fluye y el procedimiento para su medición
ES2395501A1 (es) * 2011-05-31 2013-02-13 Consejo Superior De Investigaciones Científicas (Csic) Dispositivo para la medición automática de la cantidad de líquido que fluye y el procedimiento para su medición.
US9533106B2 (en) 2011-12-29 2017-01-03 Novo Nordisk A/S Torsion-spring based wind-up auto injector pen with dial-up/dial-down mechanism
AT516283A4 (de) * 2015-01-28 2016-04-15 Seibersdorf Labor Gmbh Abgabevorrichtung
AT516283B1 (de) * 2015-01-28 2016-04-15 Seibersdorf Labor Gmbh Abgabevorrichtung
CN106323415A (zh) * 2016-08-18 2017-01-11 四川泛华航空仪表电器有限公司 电容式油量传感器电容值调整方法
CN113227578A (zh) * 2018-12-27 2021-08-06 株式会社岛津制作所 检测注射泵有无吸入液体的方法及具备注射泵的装置

Also Published As

Publication number Publication date
DE3923079C2 (enExample) 1991-12-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee