GB894094A - Apparatus for controlling or assisting respiration - Google Patents

Apparatus for controlling or assisting respiration

Info

Publication number
GB894094A
GB894094A GB3823/60A GB382360A GB894094A GB 894094 A GB894094 A GB 894094A GB 3823/60 A GB3823/60 A GB 3823/60A GB 382360 A GB382360 A GB 382360A GB 894094 A GB894094 A GB 894094A
Authority
GB
United Kingdom
Prior art keywords
valve
bellows
gas
patient
diaphragm
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
GB3823/60A
Inventor
Ian George Baxter
Gerald Alfred White
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.)
BOC Group Ltd
Original Assignee
British Oxigen Ltd
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
Priority to NL260731D priority Critical patent/NL260731A/xx
Priority to NL112847D priority patent/NL112847C/xx
Application filed by British Oxigen Ltd filed Critical British Oxigen Ltd
Priority to GB3823/60A priority patent/GB894094A/en
Priority to DEB61070A priority patent/DE1126566B/en
Priority to FR851482A priority patent/FR1279011A/en
Priority to US86903A priority patent/US3164149A/en
Publication of GB894094A publication Critical patent/GB894094A/en
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
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • 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
    • A61M16/0057—Pumps therefor
    • A61M16/0075—Bellows-type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7754—Line flow effect assisted
    • Y10T137/7755—Reactor surface normal to flow

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

894,094. Respiratory appliances. BRITISH OXYGEN CO. Ltd. Feb. 3, 1961 [Feb. 3, 1960], No. 3823/60. Class 81 (2). In a forced breathing respirator the supply valve is controlled by a pressure-responsive member which is actuated by a flow-meter in accordance with the volume of gas passed to the patient. The control-valve assembly comprises a pivoted member 7 mounted so that it can close either valve 29 or 3 according to its position and it is actuated by a bellows 9, the movable end of which carries a magnet 11. When the bellows is collapsed this magnet approaches the member 7 and attracts it, so that valve 29 is closed, but when the bellows is distended, a fixed magnet 10 predominates and the member 7 is tilted to close valve 3. Gas enters a chamber 2 through a tube 1 and thence passes through valve 3 to an injector 4, where it entrains air, and then flows through a resistance element 16 to the patient. The pressure drop across the element 16 is communicated to a diaphragm 21, dividing two chambers 19, 20, which is consequently moved towards the right at a rate depending on the setting of a needle valve 22. At the end of this movement a plunger 23 engages a valve 24 which allows gas from the supply to pass to the interior of the bellows 9 and cause this to distend until the member 7 moves over to its alternative position. The supply to the patient is thus cut off and his lungs collapse naturally while a flow of gas through pipe 28 opens a valve 27 and extracts the gas from chamber 19. This restores the diaphragm 21 to its original position while, with valve 24 now closed, the contents of the bellows escape through an adjustable valve 13. The bellows collapse slowly under the pressure of a spring 14 until the original conditions are restored. Since the rate of movement of the diaphragm 21 is constant for any given setting of the valve 22 the time during which inspiration is continued depends on the volume of gas passed to the patient. The duration of exhalation is determined by the setting of the valve 13.
GB3823/60A 1960-02-03 1960-02-03 Apparatus for controlling or assisting respiration Expired GB894094A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL260731D NL260731A (en) 1960-02-03
NL112847D NL112847C (en) 1960-02-03
GB3823/60A GB894094A (en) 1960-02-03 1960-02-03 Apparatus for controlling or assisting respiration
DEB61070A DE1126566B (en) 1960-02-03 1961-01-31 Self-operated ventilator
FR851482A FR1279011A (en) 1960-02-03 1961-02-02 Device for regulating or assisting breathing
US86903A US3164149A (en) 1960-02-03 1961-02-03 Apparatus for controlling or assisting respiration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3823/60A GB894094A (en) 1960-02-03 1960-02-03 Apparatus for controlling or assisting respiration

Publications (1)

Publication Number Publication Date
GB894094A true GB894094A (en) 1962-04-18

Family

ID=9765602

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3823/60A Expired GB894094A (en) 1960-02-03 1960-02-03 Apparatus for controlling or assisting respiration

Country Status (4)

Country Link
US (1) US3164149A (en)
DE (1) DE1126566B (en)
GB (1) GB894094A (en)
NL (2) NL112847C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3251359A (en) * 1963-04-25 1966-05-17 Ismach Aaron Automatic intermittent positive pressure ventilators
US3319627A (en) * 1964-02-20 1967-05-16 Mine Safety Appliances Co Intermittent positive pressure breathing apparatus
GB1156073A (en) * 1966-12-17 1969-06-25 Draegerwerk Ag An Evaporator for Anaesthetic.
US3623506A (en) * 1969-09-22 1971-11-30 Rockwell Mfg Co Service regulator with high-low pressure cutoff device
US4186737A (en) * 1977-11-10 1980-02-05 Airco, Inc. Drug nebulizing system for medical ventilators of the volume-limited type
DE3817091A1 (en) * 1988-05-19 1989-11-30 Draegerwerk Ag PISTON CYLINDER UNIT AS A CONVEYOR IN A VENTILATOR

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2969789A (en) * 1956-03-23 1961-01-31 Morch Ernst Trier Respirator
US2915056A (en) * 1956-05-18 1959-12-01 Arnold S J Lee Respirable gas administration apparatus
GB868606A (en) * 1958-11-19 1961-05-17 British Oxygen Co Ltd Apparatus for controlling or assisting respiration

Also Published As

Publication number Publication date
NL260731A (en) 1900-01-01
US3164149A (en) 1965-01-05
DE1126566B (en) 1962-03-29
NL112847C (en) 1900-01-01

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