CA1049811A - Liquid flow-rate measuring device - Google Patents

Liquid flow-rate measuring device

Info

Publication number
CA1049811A
CA1049811A CA219,286A CA219286A CA1049811A CA 1049811 A CA1049811 A CA 1049811A CA 219286 A CA219286 A CA 219286A CA 1049811 A CA1049811 A CA 1049811A
Authority
CA
Canada
Prior art keywords
liquid
chamber
flow
measuring device
rate measuring
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
CA219,286A
Other languages
English (en)
French (fr)
Inventor
Giuseppe Statuti
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.)
Sandoz AG
Original Assignee
Sandoz AG
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 Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of CA1049811A publication Critical patent/CA1049811A/en
Expired 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3663—Flow rate transducers; Flow integrators
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/52—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring the height of the fluid level due to the lifting power of the fluid flow

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • External Artificial Organs (AREA)
CA219,286A 1974-02-04 1975-02-03 Liquid flow-rate measuring device Expired CA1049811A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT40007/74A IT1005475B (it) 1974-02-04 1974-02-04 Apparecchio per la misurazione del flusso del sangue nell emo dialisi

Publications (1)

Publication Number Publication Date
CA1049811A true CA1049811A (en) 1979-03-06

Family

ID=11246407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219,286A Expired CA1049811A (en) 1974-02-04 1975-02-03 Liquid flow-rate measuring device

Country Status (7)

Country Link
JP (1) JPS5812532B2 (un)
CA (1) CA1049811A (un)
CH (1) CH588687A5 (un)
DE (1) DE2504402C2 (un)
FR (1) FR2260084B1 (un)
GB (1) GB1489440A (un)
IT (1) IT1005475B (un)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136693A (en) * 1977-05-10 1979-01-30 Johnson & Johnson Constant flow I.V. device
US4661246A (en) * 1984-10-01 1987-04-28 Ash Medical Systems, Inc. Dialysis instrument with dialysate side pump for moving body fluids
FR2579319A1 (fr) * 1985-03-25 1986-09-26 Lagrandiere Marc De Procede et dispositif de mesure statique d'un debit liquide ou d'une pression

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767581A (en) * 1952-09-17 1956-10-23 Forrest G Moorehead Flow meter

Also Published As

Publication number Publication date
FR2260084B1 (un) 1978-04-21
DE2504402C2 (de) 1985-06-20
FR2260084A1 (un) 1975-08-29
IT1005475B (it) 1976-08-20
DE2504402A1 (de) 1975-08-07
JPS50115554A (un) 1975-09-10
JPS5812532B2 (ja) 1983-03-09
GB1489440A (en) 1977-10-19
CH588687A5 (un) 1977-06-15

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