CA972251A - Flow-control devices - Google Patents

Flow-control devices

Info

Publication number
CA972251A
CA972251A CA146,004A CA146004A CA972251A CA 972251 A CA972251 A CA 972251A CA 146004 A CA146004 A CA 146004A CA 972251 A CA972251 A CA 972251A
Authority
CA
Canada
Prior art keywords
flow
control devices
devices
control
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
CA146,004A
Other versions
CA146004S (en
Inventor
John R. Parish
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.)
Siebe Gorman and Co Ltd
Original Assignee
Siebe Gorman and Co 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 Siebe Gorman and Co Ltd filed Critical Siebe Gorman and Co Ltd
Application granted granted Critical
Publication of CA972251A publication Critical patent/CA972251A/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
    • A61M16/20—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
    • A61M16/206—Capsule valves, e.g. mushroom, membrane valves
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/02—Valves
    • A62B9/022—Breathing demand regulators
CA146,004A 1971-07-05 1972-06-29 Flow-control devices Expired CA972251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3150071A GB1401613A (en) 1971-07-05 1971-07-05 Flow-control devices

Publications (1)

Publication Number Publication Date
CA972251A true CA972251A (en) 1975-08-05

Family

ID=10324020

Family Applications (1)

Application Number Title Priority Date Filing Date
CA146,004A Expired CA972251A (en) 1971-07-05 1972-06-29 Flow-control devices

Country Status (2)

Country Link
CA (1) CA972251A (en)
GB (1) GB1401613A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345593A (en) * 1978-07-19 1982-08-24 A-T-O Inc. Pressure-demand breathing apparatus with automatic air shut-off
CA1129303A (en) * 1978-07-19 1982-08-10 Figgie International Inc. Pressure-demand breathing apparatus with automatic air shut-off
US4345592A (en) * 1980-09-10 1982-08-24 A-T-O Inc. Pressure demand regulator with automatic shut-off
US4503852A (en) * 1981-08-24 1985-03-12 Tony Christianson Pilot controlled regulator second stage
US4494538A (en) * 1983-04-06 1985-01-22 Figgie International Inc. Mask assembly
US4506667A (en) * 1983-04-06 1985-03-26 Figgie Int Inc Self-contained ventilator/resuscitator
US4522639A (en) * 1983-04-15 1985-06-11 Figgie International Inc. Unified filter and connector housing assembly incorporating a diversion valve
IT1161849B (en) * 1983-05-19 1987-03-18 Sekur Spa SWITCHING DEVICE FOR AN AIR DISPENSER INTENDED TO FEED BREATHABLE AIR WITHIN A BREATHING AIR
US5233976A (en) * 1992-04-27 1993-08-10 Dacor Corporation Second stage regulator hose with built-in cone adjusting tool
US5259374A (en) * 1992-06-12 1993-11-09 Miller Russell L Diver adjustable control for underwater breathing apparatus

Also Published As

Publication number Publication date
GB1401613A (en) 1975-07-16

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