DE2057638A1 - Device for determining the breath value as well as for measuring ventilation parameters - Google Patents

Device for determining the breath value as well as for measuring ventilation parameters

Info

Publication number
DE2057638A1
DE2057638A1 DE19702057638 DE2057638A DE2057638A1 DE 2057638 A1 DE2057638 A1 DE 2057638A1 DE 19702057638 DE19702057638 DE 19702057638 DE 2057638 A DE2057638 A DE 2057638A DE 2057638 A1 DE2057638 A1 DE 2057638A1
Authority
DE
Germany
Prior art keywords
integrator
amplifier
measuring
division
switching gate
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
DE19702057638
Other languages
German (de)
Other versions
DE2057638C3 (en
DE2057638B2 (en
Inventor
Manfred Hopp
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.)
Medizin und Labortechnik Leipzig VEB
Original Assignee
Medizin und Labortechnik Leipzig VEB
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 Medizin und Labortechnik Leipzig VEB filed Critical Medizin und Labortechnik Leipzig VEB
Publication of DE2057638A1 publication Critical patent/DE2057638A1/en
Publication of DE2057638B2 publication Critical patent/DE2057638B2/en
Application granted granted Critical
Publication of DE2057638C3 publication Critical patent/DE2057638C3/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087Measuring breath flow

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Physiology (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (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)

Description

Bezugszeichen: Reference number:

1 Strömungswiderstand 2 Verstärker 3 Integrator 4 Schalttor 5 Schalttor 6 Verstärker 7 RC-Glied 8 Divisionsglied 9 Instrument 10 Instrument 11 Instrument 12 p-U-Wandler Formelzeichen: V Atemstrom Vmax maximaler Atemstrom Vm Atemzugvolumen VT max maximales Atemzugvolumen VT 1s Atemzugvolumen pro Sekunde VT 1s / VT Atemstoßwert 1 flow resistance 2 amplifier 3 integrator 4 switching gate 5 switching gate 6 amplifier 7 RC element 8 division element 9 instrument 10 instrument 11 instrument 12 p-U converter Symbol: V respiratory flow Vmax maximum respiratory flow Vm tidal volume VT max maximum tidal volume VT 1s tidal volume per second VT 1s / VT breath value

Claims (4)

Patentansprüche:Patent claims: Gerät zur Ermittlung des Atemstoßwertes sowie zur Messung von Ventilationsgrößen, dessen als Meßwertgeber ausgebildeter Strömungswiderstand über pneumatische Bausteine wie Verstärker, Integrator und RO-Glied mit einem Ausgang in Reihe geschaltet ist, d a d u r c h g e k e n n z e i c h -n e t, daß parallel zu dem Integrator (3) ein pneumatisches Schalttor (4) mit daran anscllließenden pneumatischen Divisionsglied (8) angeordnet ist, welches im Nebenschluß mit einer Zeitbasisschaltung (6, 7 u. 5) in Verbindung text, die ihrerseits das vom Integrator (3) kommende Signal in analoger Weise dem Divisionsglied (8) zuf-iihrt.Device for determining the breath value as well as for measuring ventilation parameters, its flow resistance, designed as a measuring transducer, via pneumatic modules how amplifier, integrator and RO element are connected in series with one output, d a d u r c h e k e n n z e i c h -n e t that parallel to the integrator (3) a Pneumatic switching gate (4) with a pneumatic division link connected to it (8) is arranged, which in shunt with a time base circuit (6, 7 u. 5) in connection text, which in turn converts the signal coming from the integrator (3) into in an analogous manner to the division member (8). 2. Gerät nach Anspruch 1, d a d u r c h g e k e n n -z e i c h n e t, daß die Zeitbasisschaltung nit einem Schalttor (5) versehen ist, dessen Steuer-ing mittels in Reihe geschalteten Verstärker (6) und RC-Glied (7) erfolgt. 2. Apparatus according to claim 1, d a d u r c h g e k e n n -z e i c h n e t that the time base circuit is provided with a switching gate (5), the control of which by means of a series-connected amplifier (6) and RC element (7). 3. Gerät nach Anspruch 1 und 2, d a d u r c h g e -k e n n z e i c h n e t, daß den Divisionsglied (8) ein dem Atemstoßwert anzeigendes Meßgerät (9) nachgeschaltet ist. 3. Apparatus according to claim 1 and 2, d a d u r c h g e -k e n n z e i c h n e t that the division element (8) is a measuring device indicating the breath value (9) is connected downstream. 4. Gerbt nach Anspruch 1 bis 3, d a d u r c h g e -k e n n z e i c h n e t, daß für die Anzeige des Atemstrornes V ausgangseitig des Verstärkers und für die Anzeige des Atemzugvolumen VT ausganzseitig des Integrator (3) je ein Meßinstrument (11 u. 10) angeordnet ist, So Gerät nach Anspruch 1 bis 4, d a d u r c h g e -k e n n z e i c h n e t , daß ausgangseitig des Divisionsoliedes (8) und neben dem Meßgerät (9) ein p-U-Wandler (12) angeschlossen ist, 6. Gerät nach Anspruch 1 bis 5, d a d u r c h g e -k e n n z e i c h n e t, daß das ausgangseitig des Verstärkers (2) wirkende Drucksignal x1, das für die Entlüftung bestimmte Schalttor (4) direkt steuert und die Entlüftung am Integratorausgang erfolgt. 4. Tanned according to claim 1 to 3, d a d u r c h g e -k e n n z e i c h n e t that for the display of the Respiratory flow V on the outlet side of the amplifier and for the display of the tidal volume VT on the output side of the integrator (3) each a measuring instrument (11 and 10) is arranged, so device according to claim 1 to 4, d a d u r c h g e -k e n n n z e i c h n e t, that output side of the division song (8) and next to the measuring device (9) a p-U converter (12) is connected, 6. device according to claim 1 to 5, d a d u r c h g e -k e n n z e i c h n e t that the output side of the amplifier (2) acting pressure signal x1, the switching gate intended for ventilation (4) controls directly and venting takes place at the integrator output.
DE19702057638 1970-10-01 1970-11-24 Device for determining the breath value as well as for measuring ventilation variables Expired DE2057638C3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD15041770 1970-10-01

Publications (3)

Publication Number Publication Date
DE2057638A1 true DE2057638A1 (en) 1972-04-06
DE2057638B2 DE2057638B2 (en) 1978-10-19
DE2057638C3 DE2057638C3 (en) 1979-06-21

Family

ID=5483009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702057638 Expired DE2057638C3 (en) 1970-10-01 1970-11-24 Device for determining the breath value as well as for measuring ventilation variables

Country Status (1)

Country Link
DE (1) DE2057638C3 (en)

Also Published As

Publication number Publication date
DE2057638C3 (en) 1979-06-21
DE2057638B2 (en) 1978-10-19

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EHJ Ceased/non-payment of the annual fee