DE2504402C2 - Vorrichtung zum Messen der Strömungsgeschwindigkeit einer Flüssigkeit - Google Patents

Vorrichtung zum Messen der Strömungsgeschwindigkeit einer Flüssigkeit

Info

Publication number
DE2504402C2
DE2504402C2 DE2504402A DE2504402A DE2504402C2 DE 2504402 C2 DE2504402 C2 DE 2504402C2 DE 2504402 A DE2504402 A DE 2504402A DE 2504402 A DE2504402 A DE 2504402A DE 2504402 C2 DE2504402 C2 DE 2504402C2
Authority
DE
Germany
Prior art keywords
liquid
chamber
flow rate
measuring
inlet
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
DE2504402A
Other languages
German (de)
English (en)
Other versions
DE2504402A1 (de
Inventor
Guiseppe Modena 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 Patent GmbH
Original Assignee
Sandoz Patent GmbH
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 Patent GmbH filed Critical Sandoz Patent GmbH
Publication of DE2504402A1 publication Critical patent/DE2504402A1/de
Application granted granted Critical
Publication of DE2504402C2 publication Critical patent/DE2504402C2/de
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)
  • External Artificial Organs (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
DE2504402A 1974-02-04 1975-02-03 Vorrichtung zum Messen der Strömungsgeschwindigkeit einer Flüssigkeit Expired DE2504402C2 (de)

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 (2)

Publication Number Publication Date
DE2504402A1 DE2504402A1 (de) 1975-08-07
DE2504402C2 true DE2504402C2 (de) 1985-06-20

Family

ID=11246407

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2504402A Expired DE2504402C2 (de) 1974-02-04 1975-02-03 Vorrichtung zum Messen der Strömungsgeschwindigkeit einer Flüssigkeit

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535036A1 (de) * 1984-10-01 1986-04-24 Ash Medical Systems Inc., West Lafayette, Ind. Dialysegeraet

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
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
JPH0178623U (enExample) * 1987-11-14 1989-05-26

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535036A1 (de) * 1984-10-01 1986-04-24 Ash Medical Systems Inc., West Lafayette, Ind. Dialysegeraet

Also Published As

Publication number Publication date
GB1489440A (en) 1977-10-19
IT1005475B (it) 1976-08-20
JPS50115554A (enExample) 1975-09-10
FR2260084A1 (enExample) 1975-08-29
JPS5812532B2 (ja) 1983-03-09
CH588687A5 (enExample) 1977-06-15
DE2504402A1 (de) 1975-08-07
CA1049811A (en) 1979-03-06
FR2260084B1 (enExample) 1978-04-21

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee