SE8901719D0 - Pneumatisches steuerventil - Google Patents

Pneumatisches steuerventil

Info

Publication number
SE8901719D0
SE8901719D0 SE8901719A SE8901719A SE8901719D0 SE 8901719 D0 SE8901719 D0 SE 8901719D0 SE 8901719 A SE8901719 A SE 8901719A SE 8901719 A SE8901719 A SE 8901719A SE 8901719 D0 SE8901719 D0 SE 8901719D0
Authority
SE
Sweden
Prior art keywords
control
valve
control valve
chamber
underpressure
Prior art date
Application number
SE8901719A
Other languages
English (en)
Other versions
SE501097C2 (sv
SE8901719L (sv
Inventor
H-W Steen
Original Assignee
Draegerwerk 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 Draegerwerk Ag filed Critical Draegerwerk Ag
Publication of SE8901719D0 publication Critical patent/SE8901719D0/sv
Publication of SE8901719L publication Critical patent/SE8901719L/sv
Publication of SE501097C2 publication Critical patent/SE501097C2/sv

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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • A61M16/202—Controlled valves electrically actuated
    • A61M16/203—Proportional
    • A61M16/205—Proportional used for exhalation control
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • A61M16/206—Capsule valves, e.g. mushroom, membrane valves
    • 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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/201—Controlled valves
    • A61M16/207—Membrane valves with pneumatic amplification stage, i.e. having master and slave membranes

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Emergency Medicine (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Safety Valves (AREA)
  • Fluid-Driven Valves (AREA)
SE8901719A 1988-07-07 1989-05-12 Pneumatisk styrventil SE501097C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3822949A DE3822949A1 (de) 1988-07-07 1988-07-07 Pneumatisches steuerventil

Publications (3)

Publication Number Publication Date
SE8901719D0 true SE8901719D0 (sv) 1989-05-12
SE8901719L SE8901719L (sv) 1990-01-08
SE501097C2 SE501097C2 (sv) 1994-11-14

Family

ID=6358119

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8901719A SE501097C2 (sv) 1988-07-07 1989-05-12 Pneumatisk styrventil

Country Status (5)

Country Link
US (1) US5065746A (sv)
JP (1) JPH0265872A (sv)
DE (1) DE3822949A1 (sv)
FR (1) FR2633834B1 (sv)
SE (1) SE501097C2 (sv)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438980A (en) * 1993-01-12 1995-08-08 Puritan-Bennett Corporation Inhalation/exhalation respiratory phase detection circuit
US5813399A (en) * 1993-03-16 1998-09-29 Puritan Bennett Corporation System and method for closed loop airway pressure control during the inspiratory cycle of a breath in a patient ventilator using the exhalation valve as a microcomputer-controlled relief valve
US5443062A (en) * 1993-11-23 1995-08-22 Hayes; Jeffrey P. Load activated oxygen delivery system
DE4343205B4 (de) * 1993-12-17 2005-02-24 Festo Ag & Co.Kg Als Sicherheitsventilanordnung bei medizinischen Beatmungsgeräten einsetzbare Ventilanordnung
AUPN973596A0 (en) * 1996-05-08 1996-05-30 Resmed Limited Control of delivery pressure in cpap treatment or assisted respiration
SE9603249D0 (sv) * 1996-09-06 1996-09-06 Siemens Elema Ab Anordning för kompensering av flödesmotstånd vid ventilator/respirator
US6135108A (en) * 1998-09-10 2000-10-24 Vital Signs Inc. Apparatus enabling fluid flow
US6581598B1 (en) * 1999-11-24 2003-06-24 Dhd Healthcare Corporation Positive expiratory pressure device
US6776159B2 (en) 1999-11-24 2004-08-17 Dhd Healthcare Corporation Positive expiratory pressure device with bypass
US7059324B2 (en) * 1999-11-24 2006-06-13 Smiths Medical Asd, Inc. Positive expiratory pressure device with bypass
EP1219315A1 (fr) * 2000-12-22 2002-07-03 Jean-Denis Rochat Appareil d'assistance respiratoire
SE0100757D0 (sv) * 2001-03-07 2001-03-07 Siemens Elema Ab Exspirationskassett
DE10320454B4 (de) * 2003-05-08 2017-12-07 Weinmann Emergency Medical Technology Gmbh + Co. Kg Vorrichtung zur Steuerung einer Gasströmung
CN100546667C (zh) * 2006-08-11 2009-10-07 深圳迈瑞生物医疗电子股份有限公司 呼气阀
US8539951B1 (en) 2008-05-27 2013-09-24 Trudell Medical International Oscillating positive respiratory pressure device
US8302602B2 (en) 2008-09-30 2012-11-06 Nellcor Puritan Bennett Llc Breathing assistance system with multiple pressure sensors
US8327849B2 (en) 2008-10-28 2012-12-11 Trudell Medical International Oscillating positive expiratory pressure device
US8973603B2 (en) 2009-02-17 2015-03-10 Carefusion 2200, Inc. Gas flow regulating device
US8485179B1 (en) 2009-02-23 2013-07-16 Trudell Medical International Oscillating positive expiratory pressure device
US9149589B2 (en) 2009-02-23 2015-10-06 Trudell Medical International Method and device for performing orientation dependent oscillating positive expiratory pressure therapy
AU2012265933B2 (en) 2011-06-06 2016-03-17 Trudell Medical International Inc. Oscillating positive expiratory pressure device
US9364624B2 (en) 2011-12-07 2016-06-14 Covidien Lp Methods and systems for adaptive base flow
US9498589B2 (en) 2011-12-31 2016-11-22 Covidien Lp Methods and systems for adaptive base flow and leak compensation
US9022031B2 (en) 2012-01-31 2015-05-05 Covidien Lp Using estimated carinal pressure for feedback control of carinal pressure during ventilation
US8844526B2 (en) 2012-03-30 2014-09-30 Covidien Lp Methods and systems for triggering with unknown base flow
US9517315B2 (en) 2012-11-30 2016-12-13 Trudell Medical International Oscillating positive expiratory pressure device
US9492629B2 (en) 2013-02-14 2016-11-15 Covidien Lp Methods and systems for ventilation with unknown exhalation flow and exhalation pressure
US9981096B2 (en) 2013-03-13 2018-05-29 Covidien Lp Methods and systems for triggering with unknown inspiratory flow
CN104225756A (zh) * 2013-06-14 2014-12-24 北京谊安医疗系统股份有限公司 呼气阀
WO2015003249A1 (en) 2013-07-12 2015-01-15 Trudell Medical International Huff cough simulation device
US9849257B2 (en) 2013-08-22 2017-12-26 Trudell Medical International Oscillating positive respiratory pressure device
US10363383B2 (en) 2014-02-07 2019-07-30 Trudell Medical International Pressure indicator for an oscillating positive expiratory pressure device
US9925346B2 (en) 2015-01-20 2018-03-27 Covidien Lp Systems and methods for ventilation with unknown exhalation flow
US10004872B1 (en) 2015-03-06 2018-06-26 D R Burton Healthcare, Llc Positive expiratory pressure device having an oscillating valve
EP4134118A3 (en) 2015-07-30 2023-05-03 Trudell Medical International Combined respiratory muscle training and oscillating positive expiratory pressure device
USD780906S1 (en) 2015-09-02 2017-03-07 Trudell Medical International Respiratory treatment device
USD778429S1 (en) 2015-09-02 2017-02-07 Trudell Medical International Respiratory treatment device
EP3383465B1 (en) 2015-12-04 2021-02-03 Trudell Medical International Huff cough simulation device
DE102016220812A1 (de) 2016-10-24 2018-04-26 Hamilton Medical Ag Exspirationsventil für eine Beatmungsvorrichtung mit geräuschemissionsreduzierter Ventilgestaltung
DE102016013740A1 (de) * 2016-11-17 2018-05-17 Drägerwerk AG & Co. KGaA System zum Beatmen von Patienten
CA3240360A1 (en) 2017-05-03 2018-11-08 Trudell Medical International Combined oscillating positive expiratory pressure therapy and huff cough simulation device
US10953278B2 (en) 2018-02-02 2021-03-23 Trudell Medical International Oscillating positive expiratory pressure device
USD868241S1 (en) * 2018-04-03 2019-11-26 Hamilton Medical Ag Expiration valve for a medical ventilator

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7242593U (de) * 1974-01-24 Vaillant J Kg Anordnung zur Steuerung eines Ventiles
US3385295A (en) * 1966-02-07 1968-05-28 Puritan Compressed Gas Corp Apparatus for use in administering intermittent positive pressure breathing therapy
US3486502A (en) * 1966-09-09 1969-12-30 Dynasciences Corp Positive pressure flow cut-off respiration system
DE1673609A1 (de) * 1967-01-13 1971-08-12 Mess & Regelungst Veb K Einrichtung zur Druck-und Leistungsverstaerkung von als Luft-oder Gasdruck vorliegenden pneumatischen Signalen
US3783892A (en) * 1972-10-03 1974-01-08 Honeywell Inc Long timing, slow flow device
US3905362A (en) * 1973-10-02 1975-09-16 Chemetron Corp Volume-rate respirator system and method
CH567663A5 (sv) * 1974-03-20 1975-10-15 Sauter Fr Ag Fabrik Elektrisch
IT1036193B (it) * 1974-06-07 1979-10-30 Bio Med Devices Inc Respiratore pediatrico
DE2523667A1 (de) * 1975-05-28 1976-12-09 Festo Maschf Stoll G Ventil, insbesondere pneumatisches verzoegerungsventil
DE2715003C3 (de) * 1977-04-04 1981-03-26 Drägerwerk AG, 23558 Lübeck Druckbegrenzungsventil zur Verwendung in Beatmungsgeräten
US4082093A (en) * 1977-04-27 1978-04-04 Bourns, Inc. Compensator valve
DE2801546C2 (de) * 1978-01-14 1982-09-09 Drägerwerk AG, 2400 Lübeck Beatmungsgerät insbesondere für Kleinkinder
US4190045A (en) * 1978-04-24 1980-02-26 Bourns Medical Systems, Inc. Noise reducing exhalation valve and diaphragm
US4333453A (en) * 1978-10-13 1982-06-08 Rodder Jerome A Respirator valve
US4454893A (en) * 1981-11-30 1984-06-19 Puritan-Bennett Corp. Low-noise diaphragm for use in exhalation valve
DE3341711A1 (de) * 1983-11-18 1985-05-30 Drägerwerk AG, 2400 Lübeck Steuerbares membranventil fuer beatmungsgeraete
FR2573311B1 (fr) * 1984-11-20 1988-06-24 Boc Sa Ohmeda Appareil de ventilation artificielle pourvu d'un dispositif d'assistance inspiratoire volumetrique
FR2573658B1 (fr) * 1984-11-26 1989-02-24 Air Liquide Dispositif de pression expiratoire positive
US4813409A (en) * 1985-09-27 1989-03-21 Aaron Ismach Ventilator system having improved means for assisting and controlling a patient's breathing

Also Published As

Publication number Publication date
US5065746A (en) 1991-11-19
FR2633834B1 (fr) 1992-12-18
JPH0376950B2 (sv) 1991-12-09
SE501097C2 (sv) 1994-11-14
FR2633834A1 (fr) 1990-01-12
DE3822949A1 (de) 1990-01-11
SE8901719L (sv) 1990-01-08
JPH0265872A (ja) 1990-03-06
DE3822949C2 (sv) 1991-08-01

Similar Documents

Publication Publication Date Title
SE8901719L (sv) Pneumatisk styrventil
ATE294519T1 (de) Druckregelvorrichtung für eine luftmatratze
ATE83673T1 (de) Geraet zur unterstuetzung der spontanen atmung eines patienten.
FR2664962B1 (fr) Dispositif adaptateur-detendeur de distribution de gaz pour conteneurs de gaz a haute pression.
DE3872385D1 (de) Absperrventil und regel-/mischsystem fuer fluide.
MX9706624A (es) Una valvula de gas para surtir un pulso de gas.
SE8804404L (sv) Anordning foer att genom ejektorverkan generera kontinuerligt positivt luftvaegstryck vid spontanandning
DE3585057D1 (en) Therapeutic hydro-massage nozzle
SE8603916D0 (sv) Andningssystem for dykare
ES2177779T3 (es) Dispositivo de control microbiologico de un gas a presion.
GB1357635A (en) Pneumatic pressure type respirator
MY128006A (en) Improvements in and relating to liquid dispensing apparatus
EP0276676A3 (en) Pressure-regulating device for the second stage of reduction of an air breathing apparatus
SE8101149L (sv) Gasblandningsanordning for narkosapparater med sekerhetsanordning
SE8900794L (sv) Tryckregleranordning
GB8502681D0 (en) Breathing apparatus
US3040762A (en) Air delivery units particularly for underwater compressed air respirators
FR2276064A1 (fr) Dispositif d'assistance respiratoire par relaxation de pression
GB1522861A (en) Breathing apparatus
ATE108381T1 (de) Druckregelventile.
ATE160858T1 (de) Kombinationsarmatur zum anschluss von sicherheitsventil, schnellentlüfter und manometer
ATE13636T1 (de) Vorrichtung zur dosierten diffusion von gasen in fluessigkeiten.
GB2008805A (en) Valve for controlling respiratory gas
GB1511226A (en) Oxygen failure safety device
IT1240865B (it) Valvola per la regolazione automatica della pressione d'aria in un serbatoio

Legal Events

Date Code Title Description
NUG Patent has lapsed