GB2005034A - Fluid flow indicator - Google Patents

Fluid flow indicator

Info

Publication number
GB2005034A
GB2005034A GB7838635A GB7838635A GB2005034A GB 2005034 A GB2005034 A GB 2005034A GB 7838635 A GB7838635 A GB 7838635A GB 7838635 A GB7838635 A GB 7838635A GB 2005034 A GB2005034 A GB 2005034A
Authority
GB
United Kingdom
Prior art keywords
flap
tube
fluid flow
flow indicator
datum
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
GB7838635A
Other versions
GB2005034B (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.)
Platt A S
Original Assignee
Platt A S
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 Platt A S filed Critical Platt A S
Priority to GB7838635A priority Critical patent/GB2005034B/en
Publication of GB2005034A publication Critical patent/GB2005034A/en
Application granted granted Critical
Publication of GB2005034B publication Critical patent/GB2005034B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01F1/20—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 detection of dynamic effects of the flow
    • G01F1/28—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 detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087—Measuring breath flow
    • A61B5/0873—Measuring breath flow using optical means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087—Measuring breath flow
    • A61B5/0876—Measuring breath flow using means deflected by the fluid stream, e.g. flaps

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physiology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

A respiration sensor for use with a medical ventilator, comprises a tube with a flap mounted therein, the flap being resiliently and magnetically biassed to a datum position extending transversely across the tube interior, but the flap being movable in opposite senses from its datum in response to gas flow in the tube, and means for selectively detecting such opposite movements. <IMAGE>
GB7838635A 1977-09-29 1978-09-29 Respiration sensors Expired GB2005034B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7838635A GB2005034B (en) 1977-09-29 1978-09-29 Respiration sensors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4053177 1977-09-29
GB7838635A GB2005034B (en) 1977-09-29 1978-09-29 Respiration sensors

Publications (2)

Publication Number Publication Date
GB2005034A true GB2005034A (en) 1979-04-11
GB2005034B GB2005034B (en) 1982-04-07

Family

ID=26264427

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7838635A Expired GB2005034B (en) 1977-09-29 1978-09-29 Respiration sensors

Country Status (1)

Country Link
GB (1) GB2005034B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2512664A1 (en) * 1981-09-16 1983-03-18 Inst Med Radiologii X=ray image control assembly for patient examination - has input connections for heart and lung monitoring sensors to control X=ray source activation
EP0403324A1 (en) * 1989-05-29 1990-12-19 Societe Civile D'etudes Et De Recherche Revo'air Moving air detector utilizing microwaves, especially for controlling and monitoring respiration
EP0470535A2 (en) * 1990-08-07 1992-02-12 Hughes Aircraft Company Optoelectronic motion and fluid flow sensor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2512664A1 (en) * 1981-09-16 1983-03-18 Inst Med Radiologii X=ray image control assembly for patient examination - has input connections for heart and lung monitoring sensors to control X=ray source activation
EP0403324A1 (en) * 1989-05-29 1990-12-19 Societe Civile D'etudes Et De Recherche Revo'air Moving air detector utilizing microwaves, especially for controlling and monitoring respiration
AU637101B2 (en) * 1989-05-29 1993-05-20 Societe Civile D'etudes Et De Recherche Revo'air Micro air-wave detection device particularly for breathing monitoring and surveillance
EP0470535A2 (en) * 1990-08-07 1992-02-12 Hughes Aircraft Company Optoelectronic motion and fluid flow sensor
EP0470535A3 (en) * 1990-08-07 1992-10-28 Hughes Aircraft Company Optoelectronic motion and fluid flow sensor

Also Published As

Publication number Publication date
GB2005034B (en) 1982-04-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee