DE3817091C2 - - Google Patents

Info

Publication number
DE3817091C2
DE3817091C2 DE3817091A DE3817091A DE3817091C2 DE 3817091 C2 DE3817091 C2 DE 3817091C2 DE 3817091 A DE3817091 A DE 3817091A DE 3817091 A DE3817091 A DE 3817091A DE 3817091 C2 DE3817091 C2 DE 3817091C2
Authority
DE
Germany
Prior art keywords
piston
pressure
cylinder
folds
unit
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 - Fee Related
Application number
DE3817091A
Other languages
German (de)
English (en)
Other versions
DE3817091A1 (de
Inventor
Siegfried Dipl.-Ing. Dr. 2401 Gross Groenau De Kiske
Erik Dipl.-Chem. Dr. Schwanbom
Carl Friedrich Dipl.-Ing. Dr. 2400 Luebeck De Wallroth
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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 and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Priority to DE3817091A priority Critical patent/DE3817091A1/de
Priority to US07/366,470 priority patent/US4924861A/en
Priority to EP89108032A priority patent/EP0342435A1/de
Publication of DE3817091A1 publication Critical patent/DE3817091A1/de
Application granted granted Critical
Publication of DE3817091C2 publication Critical patent/DE3817091C2/de
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
    • F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
    • F04B39/044—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing with a rolling diaphragm between piston and cylinder
    • 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. ventilators; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/006—Tidal volume membrane pumps
    • 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. ventilators; Tracheal tubes
    • A61M16/0057—Pumps therefor
    • A61M16/0072—Tidal volume piston pumps

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
DE3817091A 1988-05-19 1988-05-19 Kolben-zylindereinheit als foerdervorrichtung in einem beatmungsgeraet Granted DE3817091A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE3817091A DE3817091A1 (de) 1988-05-19 1988-05-19 Kolben-zylindereinheit als foerdervorrichtung in einem beatmungsgeraet
US07/366,470 US4924861A (en) 1988-05-19 1989-04-12 Piston and cylinder unit as supply device for the respiratory air of a respirator
EP89108032A EP0342435A1 (de) 1988-05-19 1989-05-03 Kolben-Zylindereinheit als Fördervorrichtung in einem Beatmungsgerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3817091A DE3817091A1 (de) 1988-05-19 1988-05-19 Kolben-zylindereinheit als foerdervorrichtung in einem beatmungsgeraet

Publications (2)

Publication Number Publication Date
DE3817091A1 DE3817091A1 (de) 1989-11-30
DE3817091C2 true DE3817091C2 (enExample) 1990-11-08

Family

ID=6354718

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3817091A Granted DE3817091A1 (de) 1988-05-19 1988-05-19 Kolben-zylindereinheit als foerdervorrichtung in einem beatmungsgeraet

Country Status (3)

Country Link
US (1) US4924861A (enExample)
EP (1) EP0342435A1 (enExample)
DE (1) DE3817091A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038499A1 (de) * 1990-12-03 1992-06-04 Draegerwerk Ag Foerdereinheit fuer ein beatmungsgeraet
DE4120913A1 (de) * 1991-06-25 1993-01-07 Draegerwerk Ag Kolben-zylindereinheit zur atemgasfoerderung als zylinderkondensator fuer die hubstreckenmessung

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2234440B (en) * 1989-07-19 1993-04-14 Sabre Safety Ltd Respiratory protective apparatus
US7198079B2 (en) * 2003-09-09 2007-04-03 Tvi Corporation Liquid delivery system of gas mask
US8584676B2 (en) * 2003-11-19 2013-11-19 Immediate Response Technologies Breath responsive filter blower respirator system
US7273052B2 (en) * 2003-12-11 2007-09-25 Tvi Corporation Pneumatic sealing system for protection masks
US7690379B2 (en) * 2004-06-01 2010-04-06 Branch, Banking and Trust Company Pressure indicator for positive pressure protection masks
US7469699B2 (en) * 2004-09-03 2008-12-30 Tvi Corporation Thin profile air purifying blower unit and filter cartridges, and method of use
US7458390B2 (en) * 2005-12-21 2008-12-02 Tvi Corporation Breath controlled air inlet for blower
RU2445137C2 (ru) * 2010-01-22 2012-03-20 Морозов Сергей Павлович Термоустройство для борьбы с болезнетворными микробами и вирусами

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711169A (en) * 1952-09-09 1955-06-21 Wayland E Hull Pressure relief system incorporating an automatic relief valve
US2904035A (en) * 1957-01-29 1959-09-15 Air Shields Control apparatus for lung ventilators
NL112847C (enExample) * 1960-02-03 1900-01-01
BE633528A (enExample) * 1962-06-13
DE1491677A1 (de) * 1965-05-08 1969-11-27 Draegerwerk Ag Beatmungsvorrichtung
US3425409A (en) * 1965-11-08 1969-02-04 Max Isaacson Resuscitator
FR1588144A (enExample) * 1968-10-31 1970-04-03
GB1289108A (enExample) * 1968-12-13 1972-09-13
SE366481B (enExample) * 1970-01-02 1974-04-29 Pye Ltd
GB1250439A (enExample) * 1970-04-07 1971-10-20
SU429812A1 (enExample) * 1971-07-26 1974-05-30
US3749524A (en) * 1972-01-03 1973-07-31 D Jordan Manually operated pump utilizing backpressure for easement of pump stroke
US3918447A (en) * 1972-08-19 1975-11-11 John S Inkster Ventilators
US3905362A (en) * 1973-10-02 1975-09-16 Chemetron Corp Volume-rate respirator system and method
DE2507981B2 (de) * 1975-02-25 1977-03-31 Drägerwerk AG, 2400 Lübeck Vorrichtung zur steuerung der atmung in beatmungsgeraeten
SE388127B (sv) * 1975-04-30 1976-09-27 Cameco Ab Respiratorsystem
US4010761A (en) * 1975-11-10 1977-03-08 Puritan-Bennett Corporation Delivery means for use in volume-controlled respiration apparatus
US4340044A (en) * 1980-03-20 1982-07-20 Berkshire Research Partners Volume ventilator
DE3035129C2 (de) * 1980-09-17 1983-03-17 Peter Dr. 8033 Martinsried Kröling Tauchvorrichtung für geringe Tauchtiefen
CA1247975A (en) * 1986-05-27 1989-01-03 John H. Gallant Volume-controlled manual resuscitator
US4836198A (en) * 1987-07-27 1989-06-06 Stein-Gates Medical Equipment, Inc. Portable ventilating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038499A1 (de) * 1990-12-03 1992-06-04 Draegerwerk Ag Foerdereinheit fuer ein beatmungsgeraet
DE4120913A1 (de) * 1991-06-25 1993-01-07 Draegerwerk Ag Kolben-zylindereinheit zur atemgasfoerderung als zylinderkondensator fuer die hubstreckenmessung

Also Published As

Publication number Publication date
US4924861A (en) 1990-05-15
EP0342435A1 (de) 1989-11-23
DE3817091A1 (de) 1989-11-30

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
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