GB848725A - Improvements in apparatus for assisting respiration - Google Patents

Improvements in apparatus for assisting respiration

Info

Publication number
GB848725A
GB848725A GB38805/57A GB3880557A GB848725A GB 848725 A GB848725 A GB 848725A GB 38805/57 A GB38805/57 A GB 38805/57A GB 3880557 A GB3880557 A GB 3880557A GB 848725 A GB848725 A GB 848725A
Authority
GB
United Kingdom
Prior art keywords
chamber
valve
diaphragm
air
patient
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
GB38805/57A
Inventor
John Henry Blease
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.)
Blease Anaesthetic Equipment Ltd
Original Assignee
Blease Anaesthetic Equipment 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
Application filed by Blease Anaesthetic Equipment Ltd filed Critical Blease Anaesthetic Equipment Ltd
Priority to GB38805/57A priority Critical patent/GB848725A/en
Publication of GB848725A publication Critical patent/GB848725A/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
    • A61M16/0057—Pumps therefor
    • A61M16/0081—Bag or bellow in a bottle
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M16/0009—Accessories therefor, e.g. sensors, vibrators, negative pressure with sub-atmospheric pressure, e.g. during expiration
    • 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

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)
  • Percussion Or Vibration Massage (AREA)

Abstract

848,725. Respiratory appliances. BLEASE ANAESTHETIC EQUIPMENT Ltd. March 13, 1959 [Dec. 13, 1957], No. 38805/57. Class 81(2). Artificial respiration apparatus has triggering means to ensure positive inflation of the lungs immediately the patient makes an effort at respiration. A chamber 1 is connected with a continuous supply of air through the jet of a Venturi device 3 and through a pipe 4, both joined to a proportioning valve 5, and, as the pressure in the chamber increases, bellows 6 are compressed to force air or oxygen into the patient's lungs through a tube 9, the pipe line being fitted with non-return valves 7, 8. When the pressure in chamber 1 has risen sufficiently, a diaphragm 10 is moved towards the right, air enclosed in chamber 11 being discharged through release valve 24, and valve 13 is thereupon opened so that chamber 1 is connected to atmosphere and Venturi 3 becomes effective to withdraw air from the patient's lungs. The subsequent closure of valve 13 by diaphragm 10 is dependent on the rate of air flow into chamber 11 through bleed valve 17, the return movement being caused by an adjustable spring 14. If, during the exhalation phase of the apparatus the patient attempts to inspire, the additional rarefaction in the tubes 25, 26 causes diaphragm 20 to be raised and to open valve 24, whereupon diaphragm 10 immediately moves back, to close valve 13, and the inhalation phase commences. Specifications 649,229 and 806,471 are referred to.
GB38805/57A 1957-12-13 1957-12-13 Improvements in apparatus for assisting respiration Expired GB848725A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB38805/57A GB848725A (en) 1957-12-13 1957-12-13 Improvements in apparatus for assisting respiration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38805/57A GB848725A (en) 1957-12-13 1957-12-13 Improvements in apparatus for assisting respiration

Publications (1)

Publication Number Publication Date
GB848725A true GB848725A (en) 1960-09-21

Family

ID=10405793

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38805/57A Expired GB848725A (en) 1957-12-13 1957-12-13 Improvements in apparatus for assisting respiration

Country Status (1)

Country Link
GB (1) GB848725A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097638A (en) * 1961-02-27 1963-07-16 Boeing Co Metabolators
US3467078A (en) * 1965-05-10 1969-09-16 Bird F M Spirometer
US4324260A (en) * 1979-10-09 1982-04-13 Diemolding Corporation Volumetric spirometer
CN117018373A (en) * 2023-10-08 2023-11-10 德州氧康健康科技有限公司 Oxygen exhausting device of medical oxygen cabin

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097638A (en) * 1961-02-27 1963-07-16 Boeing Co Metabolators
US3467078A (en) * 1965-05-10 1969-09-16 Bird F M Spirometer
US4324260A (en) * 1979-10-09 1982-04-13 Diemolding Corporation Volumetric spirometer
CN117018373A (en) * 2023-10-08 2023-11-10 德州氧康健康科技有限公司 Oxygen exhausting device of medical oxygen cabin
CN117018373B (en) * 2023-10-08 2024-01-12 潍坊华信氧业有限公司 Oxygen exhausting device of medical oxygen cabin

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