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Equipment which allows the user to breathe at hypoxic altitudes
High-altitude breathing apparatus is a breathing apparatus which allows a person to breathe more effectively at an altitude where the partial pressure
High-altitude breathing apparatus
High-altitude_breathing_apparatus
Equipment allowing or assisting the user to breathe in a hostile environment
A breathing apparatus or breathing set is equipment which allows a person to breathe in a hostile environment where breathing would otherwise be impossible
Breathing_apparatus
Altitudes above about 8,000 m (26,000 ft)
falls). An extended stay above 8,000 m (26,200 ft) without a high-altitude breathing apparatus (which includes bottled oxygen) will result in deterioration
Death_zone
Self contained breathing apparatus providing gas to escape from a hazardous environment
Escape breathing apparatus, also called escape respirators, escape sets, self-rescuer masks, emergency life saving apparatus (ELSA), emergency escape
Escape_breathing_apparatus
Breathing gas supplied respirator carried by the user
A self-contained breathing apparatus (SCBA) is a respirator worn to provide an autonomous supply of breathable gas in an atmosphere that is immediately
Self-contained breathing apparatus
Self-contained_breathing_apparatus
Equipment which provides breathing gas to an underwater diver
Underwater breathing apparatus is equipment which allows the user to breathe underwater. The three major categories of ambient pressure underwater breathing apparatus
Underwater breathing apparatus
Underwater_breathing_apparatus
Full-face respirator that provides filtered air to the wearer using an electric fan
self-contained breathing apparatus or supplied-air respirator is recommended instead. PAPRs have the advantage of eliminating breathing resistance caused
Powered air-purifying respirator
Powered_air-purifying_respirator
Definitions of technical terms used in connection with breathing apparatus
A breathing apparatus or breathing set is equipment which allows a person to breathe in a hostile environment where breathing would otherwise be impossible
Glossary of breathing apparatus terminology
Glossary_of_breathing_apparatus_terminology
Canopy over a patient to provide supplemental oxygen
tents are sometimes confused with altitude tents as used by athletes and those looking to acclimatize to a higher altitude, but those contain a reduced oxygen
Oxygen_tent
Portable apparatus to recycle breathing gas
A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantial
Rebreather
Device to protect the user from smoke inhalation in an emergency
atmosphere and is used to breathe. Smoke hoods are a class of emergency breathing apparatus intended to protect victims of fire from the effects of smoke inhalation
Smoke_hood
Inhaled air volume not involved in gas exchange
should not unduly increase the work of breathing, which can become critical in breathing apparatus used at high ambient pressure. With a full face mask
Dead_space_(physiology)
Gas used for human respiration
for any breathing gas, at a partial pressure of between roughly 0.16 and 1.60 bar at the ambient pressure, occasionally lower for high altitude mountaineering
Breathing_gas
Medical device to deliver supplemental oxygen
not exceed certain altitudes. The cannula provides extra oxygen to compensate for the lower oxygen content available for breathing at the low ambient
Nasal_cannula
Breathing apparatuus remotely supplied by an air hose
It is similar to a self-contained breathing apparatus (SCBA), except that SCBA users carry their air with them in high pressure cylinders, while SAR users
Supplied-air_respirator
Self-contained underwater breathing apparatus
originally just scuba, is any breathing apparatus that is entirely carried by an underwater diver and provides the diver with breathing gas at the ambient pressure
Scuba_set
Equipment to protect the user from breathing contaminated air
Respirators filter the air to remove harmful particles and alongside the breathing apparatus (BA) provides clean air for the worker to breathe. RPE is covered
Respiratory protective equipment
Respiratory_protective_equipment
Device used for emergency oxygen therapy
monoxide poisoning, or any other patients who require high-concentration oxygen, but do not require breathing assistance. Patients uncomfortable with having
Non-rebreather_mask
Medical device
t e Breathing apparatus High altitude breathing apparatus Aviation breathing apparatus Emergency oxygen system Mountaineering breathing apparatus Occupational
Venturi_mask
Energy expended to inhale and exhale a breathing gas
to illness or constraints on gas flow imposed by breathing apparatus, ambient pressure, or breathing gas composition. The normal relaxed state of the
Work_of_breathing
Pad held over the nose and mouth to protect against dust
t e Breathing apparatus High altitude breathing apparatus Aviation breathing apparatus Emergency oxygen system Mountaineering breathing apparatus Occupational
Dust_mask
Ventilator which applies mild air pressure continuously to keep airways open
as occurs in obstructive sleep apnea (OSA), or to reduce the work of breathing in conditions such as acute decompensated heart failure. CPAP therapy
Continuous positive airway pressure
Continuous_positive_airway_pressure
Interface between oxygen delivery system and human user
exhalation requires more effort. Aviators are trained in pressure-demand breathing in altitude chambers. Because they seal tightly, pressure-demand-type oxygen
Oxygen_mask
Mechanical ventilation in which airway pressure is always above atmospheric pressure
to keep the airways open. It is used primarily to treat sleep-related breathing disorders, especially obstructive sleep apnea, and is also applied in
Positive_airway_pressure
Air-filtering face masks or mask attachments
discarded when they become unusable due to damage, dirt, or excessive breathing resistance. Filtering facepieces are typically simple, light, single-piece
Mechanical filter (respirator)
Mechanical_filter_(respirator)
Protective suit against chemical, bacteriological, and nuclear risks
hazardous materials. Such suits are often combined with self-contained breathing apparatus (SCBA) to ensure a supply of breathable air. Hazmat suits are used
Hazmat_suit
Portable oxygen source
oxygen-source rescuer is used instead. A SCSR is usually a closed-circuit breathing apparatus with a chemical oxygen generator or a compressed oxygen cylinder
Self-contained self-rescue device
Self-contained_self-rescue_device
Negative-pressure mechanical respirator
air pressure inside the enclosed space stimulates breathing. The device is used to assist breathing when muscle control is lost. This treatment was historically
Iron_lung
Protection from inhaling airborne pollutants and toxic gases
1847 by Lewis P. Haslett, a device that contained elements that allowed breathing through a nose and mouthpiece, inhalation of air through a bulb-shaped
Gas_mask
Device that provides mechanical ventilation to the lungs
A ventilator is a type of breathing apparatus, a class of medical technology that provides mechanical ventilation by moving breathable air into and out
Ventilator
Device that removes nitrogen from air
stream. They are used in industry, to provide supplemental oxygen at high altitudes, and as medical devices for oxygen therapy. Oxygen concentrators are
Oxygen_concentrator
Plastic mask for oxygen therapy
breathes. The air mixing is determined by how much air any individual is breathing at the moment, combined with the fit of the mask. Because of the variability
Simple_face_mask
Formation of vapour bubbles in bodily fluids due to reduced environmental pressure
associated with spaceflight High altitude breathing apparatus – Equipment which allows the user to breathe at hypoxic altitudesPages displaying short descriptions
Ebullism
thereof, to sustain oneself at a high elevation without the aid of specialized devices (such as a breathing apparatus) is particularly due to structural
High-altitude adaptation in humans
High-altitude_adaptation_in_humans
Respirator with a rubber face seal
situations an air-supplying respirator such as a self-contained breathing apparatus is recommended instead. The CDC has been recommending elastomeric
Elastomeric_respirator
Equipment used specifically for surface supplied diving
surface-supplied diving is that breathing gas is supplied from the surface, either from a specialised diving compressor, high-pressure gas storage cylinders
Surface-supplied diving equipment
Surface-supplied_diving_equipment
Medical device using positive pressure to inflate the lungs
positive pressure to inflate the lungs of an unconscious person who is not breathing, in order to keep them oxygenated and alive. There are three basic types:
Resuscitator
System for providing oxygen in an aircraft during an emergency
least 15 minutes, sufficient for the plane to descend to a safe altitude for breathing without supplemental oxygen. During the production of oxygen, the
Emergency_oxygen_system
Noninvasive form of ventilation for newborns
continuous positive airway pressure (CPAP) is delivered to a spontaneously breathing newborn to maintain lung volumes during expiration. With this method,
Bubble_CPAP
European filtering face mask standards
(−22 °F) for 24 h each. The standards include testing mechanical strength, breathing resistance and clogging. EN 149 tests the inward leakage between the mask
European_respirator_standards
Particulate respirator meeting the N95 standard
or in an unknown atmosphere; in these situations a self-contained breathing apparatus is recommended instead. They are not effective against hazardous
N95_respirator
Device worn to protect the user from inhaling contaminants
set (self-contained underwater breathing apparatus). An open circuit SCBA typically has three main components: a high-pressure gas storage cylinder, (e
Respirator
Method of conditioning respiratory gas
infections and lung tissue damage may occur. This is particularly problematic in high gas-flow therapies such as mechanical ventilation, in patient populations
Respiratory gas humidification
Respiratory_gas_humidification
Medical device to supply a mix of life-support and anaesthetic gases
anaesthetic gasesPages displaying short descriptions of redirect targets Breathing apparatus – Equipment allowing or assisting the user to breathe in a hostile
Anaesthetic_machine
Capacity of breathing regulators to function as specified
build up. Flight crew breathing apparatus – Oxygen supply for unpressurized aircraft – Low ambient pressure due to high altitude. Air supply enriched by
Breathing performance of regulators
Breathing_performance_of_regulators
Closed or semi-closed circuit scuba
A diving rebreather is an underwater breathing apparatus that absorbs the carbon dioxide of a diver's exhaled breath to permit the rebreathing (recycling)
Diving_rebreather
later constructed an automatized device, based on WW2 USAAF high altitude breathing apparatus. This positive pressure ventilator was a success, and Ibsen
History_of_polio
Garment worn to protect a human in space
underwater diver Breathing apparatus – Equipment allowing or assisting the user to breathe in a hostile environment High altitude breathing apparatus – Equipment
Space_suit
Device used to safely deliver first aid rescue breaths
t e Breathing apparatus High altitude breathing apparatus Aviation breathing apparatus Emergency oxygen system Mountaineering breathing apparatus Occupational
Pocket_mask
Oxygen rebreather
once the surface was reached, were not considered. The apparatus itself comprises a rubber breathing/buoyancy bag, which contains a canister of barium hydroxide
Davis Submerged Escape Apparatus
Davis_Submerged_Escape_Apparatus
Hand-held device to provide positive pressure ventilation
provide positive pressure ventilation to patients who are not breathing or not breathing adequately. The device is a required part of resuscitation kits
Bag_valve_mask
Small scuba device for escape from ditched helicopters
into a body of water). It is a form of self contained underwater breathing apparatus (scuba) which consists of a small cylinder pressurized with atmospheric
Helicopter Aircrew Breathing Device
Helicopter_Aircrew_Breathing_Device
Container that cleans pollution from air inhaled through it
and there is no such information for over 100 of them. This can lead to breathing air with an excess harmful gas concentration in some cases, if one uses
Chemical_cartridge
Influences of the underwater environment on the physiology of human divers
ambient pressure, the effects of breathing gases at raised ambient pressure, effects caused by the use of breathing apparatus, and sensory impairment. All
Human physiology of underwater diving
Human_physiology_of_underwater_diving
Medical treatment at raised ambient pressure
Treatment gas may be the ambient chamber gas, or delivered via a built-in breathing system. Operation is performed to a predetermined schedule by personnel
Hyperbaric_medicine
American microbiology professor and inventor (1935–2021)
known inventions included the Gamow bag and the Shallow Underwater Breathing Apparatus. He was fired from CU in 2004 following sexual harassment and assault
Igor_Gamow
Biological system in animals and plants for gas exchange
the breathing effort at high altitudes. All of the above influences of low atmospheric pressures on breathing are accommodated primarily by breathing deeper
Respiratory_system
U.S. rating of respirators
January 2022. Retrieved 4 July 2024. Mackey, Katherine (2004). "Over Breathing a Loose-Fitting PAPR". Journal of the International Society for Respiratory
NIOSH_air_filtration_rating
Rigid head enclosure for underwater diving
straps. Like the diving helmet, the full-face mask is part of the breathing apparatus. Another style of helmet construction, seldom used, is the clamshell
Diving_helmet
System for supply of breathing gas on demand within a confined space
principles as a regular diving demand valve second stage. Like any other breathing apparatus, the dead space must be limited to minimise carbon dioxide buildup
Built-in_breathing_system
Breathing mask that covers the mouth and the nose only
breathing mask that covers the mouth and the nose only. It may be a complete independent item, as an oxygen mask, or on some anaesthetic apparatuses,
Orinasal_mask
Articulated pressure-resistant anthropomorphic housing for an underwater diver
needed no umbilical, the breathing mixture being supplied from a tank mounted on the back of the suit. The breathing apparatus incorporated a scrubber
Atmospheric_diving_suit
Emergency gas supply cylinder carried by a diver
cylinder carried by an underwater diver for use as an emergency supply of breathing gas in the event of a primary gas supply failure. A bailout cylinder may
Bailout_bottle
Techniques requiring specific equipment and procedures
several modes of diving; these are distinguished by the type of breathing apparatus, diving equipment, procedures and techniques involved, and whether
Modes_of_underwater_diving
Exposure to dangerous levels of airborne contaminants
atmosphere-supplying breathing apparatus is required for work conducted in such an environment. Examples include high altitudes and unventilated, confined
Immediately dangerous to life or health
Immediately_dangerous_to_life_or_health
Hazards associated with underwater diving
they go underwater with scuba or other diving equipment, or use high pressure breathing gas. Some of these factors also affect people who work in raised
List of diving hazards and precautions
List_of_diving_hazards_and_precautions
Mechanism that controls the pressure of a breathing gas supply for diving
300 liters per minute. Various breathing machines have been developed and used for assessment of breathing apparatus performance. ANSTI Test Systems
Diving_regulator
Original name for open-circuit scuba equipment
Aqua-Lung was the first open-circuit, self-contained underwater breathing apparatus (or "scuba") to achieve worldwide popularity and commercial success
Aqua-Lung
French inventor and pioneer in underwater breathing apparatus
1952) was a French inventor and pioneer in the field of underwater breathing apparatus, respirators and gas masks. He was pivotal in the transition of diving
Maurice_Fernez
Diving mask that covers the mouth as well as the eyes and nose
saving on breathing gas is unimportant with surface-supplied breathing apparatus.[citation needed] Emergency provision of an alternative breathing gas source
Full-face_diving_mask
Tube for breathing face down at the surface of the water
30 July 1932, Joseph L. Belcher filed a patent application for "breathing apparatus" delivering air to a submerged person by suction from the surface
Snorkel_(swimming)
Storage vessel for oxygen
store gas for: medical breathing (oxygen therapy) at medical facilities and at home (high pressure cylinder) breathing at altitude in aviation, either in
Oxygen_tank
Use of oxygen as a medical treatment
Supplemental oxygen can also refer to the use of oxygen enriched air at altitude. Acute indications for therapy include hypoxemia (low blood oxygen levels)
Oxygen_therapy
Disorder caused by dissolved gases forming bubbles in tissues
500 m (24,600 ft). High-altitude parachutists may reduce the risk of altitude DCS if they flush nitrogen from the body by pre-breathing pure oxygen. A similar
Decompression_sickness
Medical condition of lack of oxygen in the tissues
pressures due to altitude, by breathing hypoxic breathing gas at an unsuitable depth, by breathing inadequately re-oxygenated recycled breathing gas from a
Hypoxia_(medicine)
Device which absorbs carbon dioxide from circulated gas
gas – Heat-trapping gas in an atmosphere Rebreather – Portable apparatus to recycle breathing gas Sabatier reaction – Methanation process of carbon dioxide
Carbon_dioxide_scrubber
Alphabetical listing of underwater diving related topics
equipment at all, or a wide range of equipment which may include breathing apparatus, environmental protective clothing, aids to vision, communication
Index of underwater diving: A–C
Index_of_underwater_diving:_A–C
French physicist and inventor
on falling bodies; made a study of a liquid-oxygen breathing apparatus for high-altitude ascents; and developed numerous devices, including automatic
Louis_Paul_Cailletet
American writer, botanist, and SCUBA and aviation enthusiast
underwater photographer. He wrote Basic Scuba. Self-contained underwater breathing apparatus, a 1960 scuba-diving manual, it was among the earliest comprehensive
Fred_M._Roberts
American physiologist (1906–1947)
development of a reliable breathing apparatus. According to Adrian, pilots regularly lost consciousness during high-altitude dogfights, and needed "an
Glenn_Allan_Millikan
Breathing gas mixture experimentally used for very deep diving
mixture of hydrogen and oxygen, occasionally used as an experimental breathing gas in very deep diving. It allows divers to descend several hundred metres
Hydrox_(breathing_gas)
Small independent scuba cylinder usually carried for emergency gas supply
Alternative independent breathing gas supply carried by a diver Escape breathing apparatus – Self contained breathing apparatus providing gas to escape
Pony_bottle
Type of diving rebreather used by the Royal Navy
The Clearance Divers Breathing Apparatus (CDBA) is a type of rebreather made by Siebe Gorman in England. The British Royal Navy used it for many years
Siebe_Gorman_CDBA
Lung gas and blood oxygen concentration sufficient to support consciousness only at depth
freediving blackout and the presence of hypoxic breathing gas mixtures in underwater breathing apparatus, particularly in diving rebreathers. The term latent
Latent_hypoxia
Alphabetical listing of underwater diving related topics
equipment at all, or a wide range of equipment which may include breathing apparatus, environmental protective clothing, aids to vision, communication
Index of underwater diving: F–K
Index_of_underwater_diving:_F–K
Emergency supply of breathing gas for an underwater diver
air source, or more generally alternative breathing gas source, is a secondary supply of air or other breathing gas for use by the diver in an emergency
Alternative_air_source
American scientist and underwater breathing apparatus authority
(NEDU). Clarke is recognized as a leading authority on underwater breathing apparatus engineering. Clarke is the youngest of four children; his siblings
John_R._Clarke_(scientist)
Mountaineering expedition in 1952
rest but the valves resisted the passage of oxygen with violent breathing at high altitude. The autumn expedition had two new types of open-circuit oxygen
1952 Swiss Mount Everest expedition
1952_Swiss_Mount_Everest_expedition
Training and operations handbook
facilities, life support systems, thermal protection system, underwater breathing apparatus, gas usage, operations, operational considerations, selection of
U.S._Navy_Diving_Manual
Limited depth airline breathing apparatus towed by the diver
identified the term as an acronym for "Surface Nexus Underwater Breathing Apparatus", though this may be a backronym for the portmanteau. The swimmer
Snuba
British high-altitude research aircraft
The Bristol Type 138 High Altitude Monoplane was a British high-altitude single-engine, low-wing monoplane research aircraft developed and produced by
Bristol_Type_138
73 km) on 2 February 1966. Piantanida was unable to disconnect his breathing apparatus from the gondola, so the ground crew jettisoned the balloon at the
QinetiQ_1
Equipment used to facilitate underwater diving
diving equipment used by divers other than freedivers, is underwater breathing apparatus, such as scuba equipment, and surface-supplied diving equipment,
Diving_equipment
Former British diving equipment manufacturer and distributor
were important for introducing high quality plastics (e.g. ABS) into the manufacture of underwater breathing apparatus. For many years they supplied their
Submarine_Products
List of articles related to underwater diving grouped by topical relevance
equipment at all, or a wide range of equipment which may include breathing apparatus, environmental protective clothing, aids to vision, communication
Outline_of_underwater_diving
South African diver and holder of scuba depth record
water record from 2005 to 2014. Gomes used self-contained underwater breathing apparatus to dive to a depth of 318 metres (1,044 ft) in the sea. The dive
Nuno_Gomes_(diver)
Scuba component used to functionally connect diving cylinders
Roberts, Fred M. (1963). Basic Scuba: Self contained underwater breathing apparatus: Its operation, maintenance and use (2nd ed.). New York: Van Nostrand
Scuba_manifold
Australian scuba manufacturer
Rebreather – Portable apparatus to recycle breathing gas Diving regulator – Mechanism that controls the pressure of a breathing gas supply for diving
Porpoise_(scuba_gear)
Copper helmet with rubberised canvas diving suit and weighted boots
effectively self-contained underwater breathing apparatus, and others were suitable for use with helium based breathing gases for deeper work. Divers could
Standard_diving_dress
Species of gastropod
members of the family Alycaeidae, Alycaeus goliath possesses a complex breathing apparatus formed by a sutural tube, an externally closed tube lying along the
Alycaeus_goliath
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