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7353825 |
Apparatus and techniques for reducing the effects of general anesthetics
An apparatus for reversing inhaled anesthesia, which is configured to be positioned along a breathing circuit or anesthesia delivery circuit, includes a filter for removing one or more anesthetic...
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7347206 |
Control group of a second-stage regulator for scuba divers
A group for controlling a second-stage regulator for scuba divers. The regulator comprises a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a...
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7306657 |
Oxygen concentrating apparatus
An oxygen concentrating apparatus including an output variable type compressor. Oxygen-concentrated gas may be supplied either continuously or synchronized with inhalation or timing of inhalations....
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7246621 |
Removal of carbon dioxide and carbon monoxide from patient expired gas during anesthesia
A method and system for the application of molecular sieves to the removal of carbon dioxide and carbon monoxide from the patient expired gases during anesthesia. The system is especially useful in...
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7225806 |
Portable oxygen regenerating escape hood
A protective device to be emplaced over the head of a user comprises a sack-like member fabricated from a flexible film material and having an opening to enable a user to place the sack-like member...
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7204249 |
Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage
An oxygen concentrator is utilized in combination with a compressor, preferably a radial compressor, to provide a highly enriched and compressed oxygen gas in a mobile container such as a gas...
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7195015 |
Breathing apparatus
An inhalation opening 6 and an exhalation-opening 4 are formed in the facepiece 2 of a breathing apparatus 1 and the openings can be closed with an inhalation valve 8 and exhalation valve...
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7179322 |
Oxygen and nitrogen enriched atmospheres in aircraft
A method of supplying oxygen rich air to the passengers and crew on board a passenger aircraft by use of a highly permeable oxygen enrichment unit, wherein the fiber tubes of the hollow fiber...
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7178522 |
Agents and N2O detection apparatus
A detector that monitors the presence of halogenated agents and the presence of N2O includes a base to which a filter cannister is removably coupled. The cannister has an input for accepting...
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7156903 |
Sound enclosure for portable oxygen concentrators
A portable pressure swing adsorption apparatus and conservation device for medical use, and a sound enclosure for the apparatus having two isolating sections to enclose the apparatus, the enclosure...
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7148806 |
Arrangement in connection with a patient circuit and an absorber means
Arrangement in connection with a patient circuit and an absorber means. The arrangement comprises an information transfer means and an electronic means and a transponder electronically programmed...
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7137390 |
Liquid absorbing filter assembly and system using same
A filter assembly for use in sidestream gas sampling assembly. The filter assembly of the present invention includes a hydrophilic liner lining the inner perimeter of a housing for wicking moisture...
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7077134 |
Anesthetic reflector
An anesthetic reflector has a housing internally containing two externally accessible gas channels and a filter of a material for releasable sorption of gas-borne anesthetic agent. The filter is...
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7069928 |
Heat-moisture exchanger with aerosol by-pass
A first and second housing is joined together by a middle housing rotatable with respect to the first and second housing. The first and second housings have conduits passing through exterior walls...
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7066985 |
Portable gas fractionalization system
A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing...
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7011092 |
Portable hypoxic apparatus
Hypoxic delivery apparatus producing from ambient air a product gas having a lower levels of oxygen concentration and delivering the product gas to a user of the apparatus in pulse doses....
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7007693 |
Device and method of reducing bias flow in oscillatory ventilators
A device and method of ventilating a patient reduces the bias flow relative to existing oscillatory ventilators. The device has a gas flow circuit including an oscillating line, a patient line and...
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7007691 |
Apparatus and method for humidification of inspired gases
An apparatus and method for humidification of inspired gases, wherein the present invention utilizes moisture from condensed expiratory gases deposited within the outer expiratory tube of a...
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6990979 |
Breathing equipment with a circuit for breathing gas
Breathing equipment with a circuit for breathing gas and with a flat calcium hydroxide absorber ( 1 ) is cooled by an evaporating agent with improved cooling. A gas volume flow of at least 60 L per...
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6976488 |
Medication bypass heat and moisture exchange unit
The present invention provides a heat and moisture exchange (HME) unit that includes a housing having a fibrous media in the housing that is designed to absorb and retain moisture and heat from...
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6957652 |
Regulator for diving
Here is disclosed a regulator for diving free from any possibility that smooth operation of respective components might be obstructed due to the presence of impurities in the air supplied from an...
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6951216 |
Apparatus and method for use in non-invasively determining conditions in the circulatory system of a subject
Apparatus and method for providing breathing gases to a subject employs an exchanger taking up a quantity of a given component, such as CO 2 , from expiratory breathing gases passing through the...
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6929007 |
Insufflation-exsufflation system with percussive assist for removal of broncho-pulmonary secretions
An improved insufflation-exsufflation system with percussive assist for removal of broncho-pulmonary secretions includes a conduit for connection to a patient's airway; a pressure source for...
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6923184 |
Suction system with high efficiency suction control valve
An improved trachea suction system includes a suction catheter with a high efficiency suction control valve providing unobstructed fluid flow in its activated suction applied mode for removal of...
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6863067 |
Device for exchange of gas volume
A device for exchanging gas volumes in an anesthetic system has an inlet, an outlet, a first chamber arranged between the inlet and the outlet, a second chamber arranged between the inlet and the...
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6860265 |
Insufflation-exsufflation system for removal of broncho-pulmonary secretions with automatic triggering of inhalation phase
An improved insufflation-exsufflation system for removal of broncho-pulmonary secretions with automatic triggering of inhalation phase includes a conduit for connection to a patient's airway; a...
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6796307 |
Multiple person high altitude recycling breathing apparatus
A life support system has a semi-closed rebreather supplying oxygen for multiple users, such as high altitude parachutists. A first tank supplies oxygen to initially purge the system, and a second,...
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6779522 |
Method and apparatus for treating breathing gases
A method of making thin-walled permeable tubing using air blown extrusion, and of using the tubing in a device which enables a substantial humidification or drying of patient breathing gases in the...
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6761162 |
Personal disposable emergency breathing system with radial flow
The breathing system includes an annular filtration unit having apertures opening radially through inner and outer walls thereof, a central passageway and filtration material between the walls. The...
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6752146 |
Civilian anti-terrorist attack gas mask
A civilian anti-terrorist attack gas mask used as an emergency measure to remove hazardous air pollutants present in air drawn from an ambient atmosphere to provide a person with suitably...
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6729329 |
System for removal of halocarbon gas from waste anesthetic gases
A system for removing halocarbon gas components from waste anesthetic gases using the resource of cold oxygen from liquid oxygen which is stored cryogenically at a healthcare facility. The oxygen...
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6684881 |
Rechargeable breathing apparatus particularly an apparatus for divers
A rechargeable breathing apparatus is disclosed including a closed breathing system for receiving exhaled air containing a CO 2 adsorber for the inhaled air, a breathing bellows for receiving the...
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6675799 |
Device and method of isolating bias flow
An isolation device is disclosed. The isolation device may have a movable partition and a housing disposed about the movable partition. The isolation device may have a partition biaser joined to...
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6629525 |
Portable oxygen concentration system and method of using the same
The present invention is directed to a portable oxygen concentrator system adapted to be transported by a user. The portable oxygen concentrator system includes an energy source, an air separation...
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6619289 |
Carbon dioxide absorber canister with breathing gas moisture sump
A moisture sump integrated into a carbon dioxide absorber canister provides a collection reservoir for condensate from a patient ventilator system when the carbon dioxide absorber canister is...
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6619287 |
Filter
A filter for a respiratory circuit has a housing with an inlet port and an outlet port for connection to respective breathing tubes. A gases space lies between the inlet and outlet ports and gases...
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6606994 |
Automatic ventilator water trap evacuator
A system 10 is provided for automatically evacuating a water trap 50 of a ventilator 20 . The ventilator 20 delivers air through a humidifying water heater 30 and along an air supply line ...
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6588427 |
Heat and moisture exchanger adapter to closed suction catheter assembly and system having improved catheter cleaning
An endotracheal suction catheter apparatus is provided. The apparatus includes a distal end that is configured for allowing a catheter to be moved through the distal end and into the respiratory...
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6575165 |
Apparatus and method for breathing apparatus component coupling
The present invention relates to a fan-forced positive pressure breathing apparatus commonly known as a Powered Air Purifying Respirators (PAPR) system, and specifically concerns the connecting of...
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6564799 |
Multilumen filter
A multilumen filter device has a housing with first and second filter chambers, each chamber in fluid communication with a separate distal and proximal fluid path. The filter device may be used to...
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6550476 |
Heat-moisture exchanger and nebulization device
A heat-moisture exchanger (HME) and nebulization device for connection to a mechanical ventilator or anesthesia apparatus, to provide humidification or an aerosolized medication without...
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6539941 |
Filtered resuscitation bag valve mask and adapter
A portable bag valve mask resuscitator including an air intake adapter for attachment of an air filter cartridge for filtering air administered during manual resuscitation procedures and a method...
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6536431 |
Oxygen dispenser
An oxygen dispenser for dispensing substantially pure oxygen or highly oxygen enriched air. The dispenser has an oxygen concentrator or an oxygen/oxygen-enriched air-containing cylinder in fluid...
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6523538 |
Breathing circuit having improved water vapor removal
A breathing circuit of the closed circuit type has improved means for removing water vapor to prevent condensation within the circuit. A dryer is placed in the breathing circuit, downstream of the...
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6488028 |
Device for recovering anaesthetic
A device for recovering anaesthetic. During the administration of inhaled anaesthetic, the device is connected to a patient. It includes an anaesthetic evaporator for supplying anaesthetic to the...
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6474335 |
Artificial respiration system
A closed circuit is provided in which tube connected to the patient's mouth is connected directly or via a connection tube to a heat-moisture exchanger which, in turn, is connected to the feed and...
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6460539 |
Respirator that includes an integral filter element, an exhalation valve, and impactor element
A negative pressure respirator 20 ′ that has an integrally-disposed filter element 28 and that covers at least the nose and mouth of a wearer. The respirator 20 ′ includes an exhalation...
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6443154 |
Apparatus for the supply of a breathing gas
An apparatus for supplying a breathing gas to a patient has a gas supply for generating a flow of breathable gas during an inspiration and an expiration phase of a patient breathing cycle. An...
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6443149 |
Closed circuit escape breathing apparatus
A closed circuit breathing apparatus comprising: a container containing a reactant for reacting with carbon dioxide and water to produce oxygen gas; a housing for the container; a foldable...
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6415788 |
Apparatus for treating respiratory gases including liquid trap
Apparatus for treating respiratory gases include a housing having a patient side port adapted for connection to a tracheal tube device and a machine side port adapted for connection to a tube for...
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