GB1361062A - Method and apparatus for drop flow control - Google Patents

Method and apparatus for drop flow control

Info

Publication number
GB1361062A
GB1361062A GB3911971A GB3911971A GB1361062A GB 1361062 A GB1361062 A GB 1361062A GB 3911971 A GB3911971 A GB 3911971A GB 3911971 A GB3911971 A GB 3911971A GB 1361062 A GB1361062 A GB 1361062A
Authority
GB
United Kingdom
Prior art keywords
drop
pulse
frequency
rate
control voltage
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
Application number
GB3911971A
Other languages
English (en)
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.)
Ivac Medical Systems Inc
Original Assignee
Ivac Medical Systems Inc
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 Ivac Medical Systems Inc filed Critical Ivac Medical Systems Inc
Publication of GB1361062A publication Critical patent/GB1361062A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7761—Electrically actuated valve

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Flow Control (AREA)
GB3911971A 1970-12-30 1971-08-20 Method and apparatus for drop flow control Expired GB1361062A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10266570A 1970-12-30 1970-12-30

Publications (1)

Publication Number Publication Date
GB1361062A true GB1361062A (en) 1974-07-24

Family

ID=22291024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3911971A Expired GB1361062A (en) 1970-12-30 1971-08-20 Method and apparatus for drop flow control

Country Status (7)

Country Link
US (1) US3800794A (enrdf_load_stackoverflow)
JP (1) JPS5543780B1 (enrdf_load_stackoverflow)
CA (1) CA986380A (enrdf_load_stackoverflow)
DE (1) DE2145421C3 (enrdf_load_stackoverflow)
FR (1) FR2120648A5 (enrdf_load_stackoverflow)
GB (1) GB1361062A (enrdf_load_stackoverflow)
NL (1) NL7111735A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118333A (en) * 1982-04-05 1983-10-26 Ipco Corp Infusion monitors

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890968A (en) * 1971-06-25 1975-06-24 Sci Systems Inc Fluid flow control means
US4019981A (en) * 1973-10-20 1977-04-26 Klockner-Humboldt-Deutz Aktiengesellschaft Method and apparatus for the preparation of mineral mixtures on a jig controlled by compressed air
US3986526A (en) * 1974-06-14 1976-10-19 Sun Oil Company Of Pennsylvania Hybrid fluidic and fluid servo controller
US4037598A (en) * 1974-08-12 1977-07-26 Ivac Corporation Method and apparatus for fluid flow control
DE2513467C3 (de) * 1975-03-26 1979-10-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Gerät zur Infusion von Flüssigkeiten in den menschlichen oder tierischen Körper
US4105028A (en) * 1976-10-12 1978-08-08 Sadlier Patricia M Positive control intravenous fluid administration
US4211340A (en) * 1978-08-21 1980-07-08 Shell Oil Company Catalyst regeneration
JPS55129810A (en) * 1979-03-29 1980-10-08 Nissan Motor Co Ltd Control method for on-off electromagnetic valve
DE2913191A1 (de) * 1979-04-02 1980-10-23 Varta Batterie Verfahren zum automatischen nachfuellen von wasser in akkumulatorenbatterien
US4303376A (en) * 1979-07-09 1981-12-01 Baxter Travenol Laboratories, Inc. Flow metering cassette and controller
US4338932A (en) * 1980-11-07 1982-07-13 Ivac Corporation Method and apparatus for fluid flow control
US4389886A (en) * 1981-03-02 1983-06-28 Lutheran General Hospital, Inc. Calibrating unit
JPS5836562A (ja) * 1981-08-28 1983-03-03 テルモ株式会社 点滴量制御装置
JPS58120156U (ja) * 1982-02-10 1983-08-16 東芝テック株式会社 デコレ−タのカ−ボン紙巻取装置
US4504263A (en) * 1982-12-22 1985-03-12 Valleylab, Inc. Flow rate monitor with optical sensing chamber
US4469480A (en) * 1983-02-11 1984-09-04 Baxter Travenol Laboratories, Inc. Intermittent drop detecting method and apparatus
US4563173A (en) * 1983-04-19 1986-01-07 National Biomedical Research Foundation Pump-actuated sequencing valve and system
DE3344848A1 (de) * 1983-12-12 1985-06-13 "gutta" Gesellschaft für Infusionstechnik mbH, 2000 Hamburg Lufterkennungseinrichtung fuer schwerkraftinfusionsregelgeraete
US4626241A (en) * 1985-03-06 1986-12-02 Ivac Corporation Apparatus and method for controlling the parenteral administration of fluids
US5409194A (en) * 1990-04-12 1995-04-25 Crouzet Electromenager Variable flow electrically controlled valve
ATE216610T1 (de) * 1991-12-06 2002-05-15 Edward Teeple Jr Vorrichtung zum präparieren intravenöser anästhesieinfusionen
US5411482A (en) * 1992-11-02 1995-05-02 Infusion Technologies Corporation Valve system and method for control of an infusion pump
US5232439A (en) * 1992-11-02 1993-08-03 Infusion Technologies Corporation Method for pumping fluid from a flexible, variable geometry reservoir
US5398851A (en) * 1993-08-06 1995-03-21 River Medical, Inc. Liquid delivery device
US5398850A (en) * 1993-08-06 1995-03-21 River Medical, Inc. Gas delivery apparatus for infusion
US5700245A (en) * 1995-07-13 1997-12-23 Winfield Medical Apparatus for the generation of gas pressure for controlled fluid delivery
GB2316773B (en) * 1996-06-12 1999-09-29 Gas Technology Canada Electronic gas regulator
US6929236B1 (en) 2002-04-19 2005-08-16 Massachusetts Institute Of Technology Apparatus for flow rate control
US6929235B1 (en) 2002-04-19 2005-08-16 Massachusetts Institute Of Technology Apparatus for flow rate control
US6935190B1 (en) 2002-04-23 2005-08-30 Massachusetts Institute Of Technology Flow rate measurement apparatus
US8197231B2 (en) 2005-07-13 2012-06-12 Purity Solutions Llc Diaphragm pump and related methods
US20100211002A1 (en) * 2009-02-18 2010-08-19 Davis David L Electromagnetic infusion pump with integral flow monitor
US8353864B2 (en) * 2009-02-18 2013-01-15 Davis David L Low cost disposable infusion pump
US8197235B2 (en) * 2009-02-18 2012-06-12 Davis David L Infusion pump with integrated permanent magnet
US8749393B1 (en) * 2011-02-14 2014-06-10 Control Air Conditioning Corporation Water leak detection and shut-off method and apparatus using differential flow rate sensors
US9610392B2 (en) 2012-06-08 2017-04-04 Fresenius Medical Care Holdings, Inc. Medical fluid cassettes and related systems and methods
WO2017137421A1 (en) 2016-02-09 2017-08-17 Bracco Injeneering S.A. Method of operating an injection system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US319706A (en) * 1885-06-09 gejest
US3163176A (en) * 1962-03-14 1964-12-29 Barth Engineering And Mfg Comp Apparatus for sensing and controlling fluid flow in the form of discrete free-falling drops
US3197068A (en) * 1964-04-27 1965-07-27 Corbin Farnsworth Inc Apparatus for monitoring the dispensing of liquid
GB1109175A (en) * 1964-08-05 1968-04-10 Decca Ltd Improvements in or relating to drip feed apparatus
US3252623A (en) * 1965-07-22 1966-05-24 C F Liquidation Corp Apparatus for monitoring dispensing of liquid
DE1541363A1 (de) * 1965-11-23 1969-04-24 Naum Diamant Dosiergeraet fuer Infusionseinrichtungen
US3450153A (en) * 1967-06-26 1969-06-17 Gen Electric Electrical pulse generator and regulator for fluid flow and like control systems
US3601124A (en) * 1968-08-29 1971-08-24 Frank L Petree Fluid flow regulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118333A (en) * 1982-04-05 1983-10-26 Ipco Corp Infusion monitors

Also Published As

Publication number Publication date
FR2120648A5 (enrdf_load_stackoverflow) 1972-08-18
US3800794A (en) 1974-04-02
DE2145421B2 (de) 1980-06-26
DE2145421C3 (de) 1981-03-19
JPS5543780B1 (enrdf_load_stackoverflow) 1980-11-08
NL7111735A (enrdf_load_stackoverflow) 1972-07-04
DE2145421A1 (de) 1972-07-27
CA986380A (en) 1976-03-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years