Matches 351 - 400 out of 970 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
5722394 Manual resuscitator pressure monitor valve  
A manual resuscitation valve assembly having a duckbill valve and a valve housing with an open concentric cavity includes a one-way valve exposed to said duckbill valve and extending into said...
5704348 Breathing valve  
A breathing valve with a valve disk lying on a valve crater and with a valve spring, which is in contact with the valve disk. A first spring end is provided in contact with a support surface and a...
5704347 Breathing valve  
A breathing valve with a valve disk lying on a valve crater and with a valve spring, which is in contact with the valve disk with a first spring portion and with a support surface with a second...
5701890 Regulator provided with a movable deflector  
A regulator for an underwater breathing apparatus includes a box-shaped body enclosing the air flow-regulating device, a tube connected to the box-shaped body supporting a mouthpiece, an air inlet...
5701889 Oxygen breathing controller having a G-sensor  
The oxygen breathing controller (10) of the present invention provides a two-stage inlet regulator. In addition, the oxygen breathing controller is provided with an aneroid sensor (100) and a...
5699788 Anaesthetic system which is automatically switched to temporary operation as an open breathing system upon a change in an anesthetic, and method for operating same  
An anaesthetic system, which can be switched between an open system and a rebreathing system, includes a breathing circuit, a setting unit and a switching unit. When the breathing circuit is...
5692498 CPR device having valve for increasing the duration and magnitude of negative intrathoracic pressures  
According to the invention, methods and devices for increasing cardiopulmonary circulation induced by chest compression and decompression when performing cardiopulmonary resuscitation are provided....
5690098 Servo gas regulating valve  
A gas regulating valve, especially for use in breathing valves for diver masks and the like. The valve comprises a sleeve-shaped housing (1) having an inlet chamber (I) and an outlet chamber (II),...
5687712 Underwater breathing apparatus  
Underwater breathing apparatus with improved ease of handling comprises a cylinder, a meter and a quick coupling on the cylinder and on the meter, together with a flexible hose having quick...
5687709 Ventilator anesthetic system having a manually operated safety valve device  
Ventilators and anesthetic systems are generally equipped with a number of different safety functions. An improved, manually operated safety valve device has a valve element, slideingly or...
5685296 Flow regulating valve and method  
A flow regulating system including a valve and a method for maintaining a constant gas flow rate through a patient circuit to ambient exhaust at varying gas pressure by means of differential gas...
5685297 Freeze resistant liquid filled first stage scuba regulator  
A freeze resistant first stage pressure regulator for use with a high pressure source of breathable gas includes a housing and a yoke, for attaching said housing to a high pressure source of...
5683232 Pump particularly useful in respirator apparatus and exhalation valve assembly thereof  
A reciprocating pump particularly useful in ventilator apparatus includes a piston reciprocatable axially within a cylinder and dividing its interior into an inlet chamber and an outlet chamber, a...
5678542 Decompression gas switching manifold  
A decompression gas switching manifold for technical diving with full face mask includes separate manifold blocks (for travel/bottom and decompression gases) which can be connected or isolated by...
5678541 Breathing regulator apparatus having automatic flow control  
A second stage breathing regulator especially suited for use in scuba diving comprises an automatically adjustable air flow deflector or vane to redirect a portion of inlet high velocity air of a...
5676134 Respiratory gas container  
A respiratory gas container has a flexible bag having an opening with a valve housing arranged in the opening area housing having an upper part and a lower part as well as at least one gas...
5676133 Expiratory scavenging method and apparatus and oxygen control system for post anesthesia care patients  
An apparatus and method for preventing contamination of the Post Anesthesia Care Unit of A Hospital by the use of a mask sealed to the patient's face and connected by a ventilator circuit to an...
5676136 Protective suction control catheter with valve  
A sterile suction catheter protecting both the user and patient from cross contamination. The catheter enclosed in a protective and collapsible sleeve along with a closed capped suction control...
5666947 Formation and delivery of an atomized liquid  
A method of delivering an atomised liquid including supplying a liquid to an admixing chamber (3,34), separately supplying a compressed gas to the admixing chamber (3,34), the compressed gas at...
5664565 Regulator for underwater breathing apparatus for diving in cold waters  
Regulator for underwater breathing apparatus comprising a box-like body of plastic material, from which a tube provided with mouthpiece, and equiped with an outlet port branches out. The box-like...
5664562 Breathing aid device  
A patient circuit (1) comprises an inspiratory branch (3) connected to an inspiratory flow rate source (11), and an expiratory branch (4) connected to the atmosphere through an expiratory valve (V...
5664563 Pneumatic system  
A pneumatic system is provided for a ventilator is provided for controlling inspired and expired patient gas flow during respiratory therapy. The pneumatic system includes a pneumatic circuit for...
5664564 Aspirating/ventilating apparatus and method  
A ventilating and aspirating assembly comprising an aspirating catheter tube internally disposed within and coextensive with a surrounding flexible collapsible sterility preserving film envelope, a...
5662100 Eductive pressure regulator  
An improved pressure regulator (60) is provided with an eductive flow to maintain the outlet pressure at increased flows through the regulator. The improved regulator broadly includes a body (61)...
5660172 Auxiliary breathing apparatus and method  
An auxiliary breathing apparatus comprising, in accordance with a preferred embodiment, an interface assembly removably interposed and coupled between a compressed gas source and a mouthpiece. The...
5657752 Nasal positive airway pressure mask and method  
A nasal positive airway pressure mask is provided having a variable orifice venting aperture member. The variable orifice venting aperture member preferably is mounted to the mask frame, but may be...
5655524 Air regulator having a slotted piston  
A first-stage air regulator for diving apparatus which is designed to reduce high tank air pressures to air pressures more compatible with normal breathing. The air regulator includes a cylindrical...
5653226 Device for generating oxygen  
A device for generating oxygen by the thermal decomposition of a chemical contained in a cartridge housing, whose reaction takes place, beginning from an activation point, along a reaction front...
5653223 Accurately controlled portable nebulizer  
A hand held, single use, gas mixture discharge unit is provided for existing nebulizers to enable them to be adapted for use as a portable gas flow source for a nebulizer. The nebulizer includes an...
5651360 Peep control for bellows ventilator  
An improved system for the control of PEEP in a medical ventilator system having a ventilator and a bellows contained within a bellows canister. A pop-off valve that normally vents excess pressure...
5651361 Breathing apparatus  
Breathing apparatus supplies air or oxygen to a patient and comprises a hand-held housing (10), a gas inlet on the housing, a gas outlet (12) on the housing (10), and a manual/automatic switch (16)...
5647355 Automatic safety valve for respiratory equipment which is counter-balanced and self-adjusting  
A self-regulating valve device adapted for use with respiratory equipment of a type which produces a pressurized flow of breathing gas. The valve device affords automatic access to the ambient...
5645047 Inhalation mask  
A valve device (D) of the type used for a breathing apparatus (A) includes a mask section (10) that is adapted for mating with a desired subject (U), such as about a mouth and nose. An inlet tube...
5645055 Oxygen breathing controller  
The oxygen breathing controller of the present invention provides a first inlet regulator and a second inlet regulator. The first inlet regulator is provided with a poppet with a diaphragm around...
5642729 Gas supply systems  
In an aircraft, a pressure swing adsorption system (23) is used both for removing carbon dioxide and water vapour from recycled cabin air and for producing in an emergency oxygen from pressurized...
5632270 Method and apparatus for control of lung ventilator exhalation circuit  
Patient airway baseline pressure levels are controlled in a ventilator having a pneumatically controlled exhalation valve without an external supply of pilot pressure, by supplying an internal...
5632298 Resuscitation and inhalation device  
A resuscitation and inhalation device which can be used alternatively in each of two modes. The flow of oxygen or gas is controlled by a control valve, itself controlled by a movable member acted...
5630411 Valve for use with inhalation/exhalation respiratory phase detection circuit  
An apparatus for controlling the pressure of a respiratory gas delivered to a patient includes a phase detection circuit for determining the inhalation and exhalation phases of a patient's...
5630409 Nebulizer and inhalation device containing same  
Improved nebulizers and aerosol inhalation devices including these nebulizers are provided by this invention. The disclosed nebulizers are suitable for supplying an aerosol mist to a patient and...
5626131 Method for intermittent gas-insufflation  
An intermittent gas-insufflation apparatus insufflates a quantity of the gaseous fluid into an entrance of a respiratory system of a breathing patient during an exhalation interval of an immediate...
5619987 Semi-closed rebreathing apparatus with water removing pump  
A respiration system including a carbon dioxide absorber, wherein any water located in the exhaled gases, or present in the system due to leakage, is removed from the system before the exhaled...
5619988 First stage pressure regulator for emergency breathing apparatus  
A self-registering piston for an pressure regulator that minimizes variability of the target regulated pressure. The pressure regulator valve includes a valve body having a valve seat interposed...
5611332 Aerosol inhalation device containing a rain-off chamber  
Improved aerosol inhalation devices including a nebulizer and a rain-off chamber for returning droplets of liquid medication or diagnostics exhaled by the patient back to the nebulizer for...
5603314 Aerosol filtration device and inhalation apparatus containing same  
An improved filtration device suitable for reducing exhaled particles in an aerosol inhalation device. The filtration device includes a body portion having an interior chamber which communicates...
5584289 Breathing apparatus having a flexible manifold connected between a plurality of air cylinders  
A self-contained breathing apparatus having two or more air storage cylinders, each of the cylinders in gas-flow communication with a flexible manifold which is in gas-flow communication with a...
5584288 Multi-stage mouth-to-mouth resuscitator valve  
The invention is directed to a multi-stage mouth-to-mouth resuscitation valve in combination with a first valve to allow exhaled breath from a mouth of an operator to pass through the first valve...
5579757 Anti-siphon flow restricter for a nebulizer  
A nebulizer (10) has a housing (12,14) including an aerosol outlet (22) and a bottom wall (52) with a side wall (50) connected thereto defining a reservoir (54) for a liquid (106). A gas jet (58)...
5577498 Semi-closed type breathing apparatus for removing carbon dioxide from breathing air circuit having triangularly shaped bellows  
A semi-closed type of breathing apparatus includes an air exhaling duct for guiding breathing air exhaled from a mouthpiece to a canister filled with a carbon dioxide remover, and an air inhaling...
5570685 Breathing air replenishment control system  
A breathing air replenishment control system for installation on multiple levels in a multiple-level high-rise structure includes a ground level-based air inlet connection remote from the structure...
5568910 Anesthesia machine  
An anesthesia machine includes a breathing system for delivering a gas mixture, including an anesthetic gas, to a patient for inhalation and for collecting exhaled gas from the patient. A cannister...
Matches 351 - 400 out of 970 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >