Abstract: A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.

Abstract: A mask assembly for use as part of an apparatus for supplying a flow of respiratory gases to a user is disclosed. The mask assembly includes a mask body having an inlet through which said flow of respiratory gases are provided to the interior of said mask body. A mask seal assembly comprising a seal of flexible material and a clip of rigid material is attached to the body. The seal has a first side and a second side. The first side of the seal is shaped to approximately match the contours of a user's face and in use substantially seal against a user's face. The second side is attached to the clip. The clip provides an interface extending substantially the full perimeter or periphery of the mask seal assembly for releasably attaching the mask seal assembly to the mask body. The clip comprises a bridging portion spanning outwards from the perimeter or periphery of the mask body to space at least a portion of the second side of the seal outwards from the perimeter or periphery of the mask body.

Abstract: A ventilator system, comprising: an inhalation pathway comprising an ambient air inlet, a bi-directional emergency valve, and a dynamic blower; and an exhalation pathway comprising a bi-directional exhalation valve and an exhalation port; wherein when a blockage occurs in the inhalation pathway, ambient air can be drawn from the exhalation port and through the bi-directional exhalation valve, and during exhalation exhalant exits the ventilator through the bi-directional exhalation valve and the exhalation port; wherein when a blockage occurs in the exhalation pathway, inhalant is delivered by the dynamic blower, and during exhalation the dynamic blower lowers its speed or stops and the exhalant exits the ventilator through the bi-directional emergency valve, the dynamic blower, and the ambient air inlet.

Abstract: Exercise robot suitable for rehabilitation and methods of its operation are provided. In particular a method in which the exercise robot learns an exercise movement on the basis of movements conducted by the aid of a human assistant holding the leg of a patient and moving the leg with muscular form to conduct an exercise movement. The rehabilitation robot actively accompanies the exercise movement in an active compliance mode and records the movement so as to determine an exercise movement stored in the control unit of the device. The rehabilitation robot can then produce the determined exercise in an exercise mode.

Abstract: A system for delivery of aerosol therapy includes a housing defining a chamber. The housing has a base, a top and a main body extending therebetween. An ambient air inlet is adjacent the base and is normally closed by an inlet valve. The housing has a patient port. Exhaled air is exhausted through valves in a mouthpiece or a face mask to prevent recirculation through the chamber which would adversely affect dose efficiencies. The housing has an aerosol port for receiving a vibrating mesh aerosol generating device. The aerosol port is located in a side of the main body of the housing for delivery of aerosol into the chamber between the inlet valve and the patient port. A boss extends upwardly from the base and is spaced-apart inwardly of the main body of the housing to define a reception space or well.

Abstract: In one embodiment, a method for accurate leak estimation in a flow generation system includes measuring a total flow through the flow generation system, measuring a pressure in in the primary flow circuit of the flow generation system, determining when the measured pressure is within a predetermined threshold of EPAP, and calculating an intentional leak flowrate and an unintentional leak flowrate based on the relationship QFS(t)=QIL(t)+QUL(t) when the measured pressure is within the predetermined threshold. In another embodiment, a flow generation system includes in one embodiment an airflow generator connected in-line to a flow sensor, a pressure sensor and a patient interface connection by a first gas flow circuit, and a controller electrically coupled to the airflow generator, the flow sensor and the pressure sensor.

Abstract: A patient interface system includes a nasal seal of flexible material to communicate with at least one airway of the patient, and a primary headgear from which the nasal seal is suspended, said primary headgear having at least one aperture though which at least a portion of the nasal seal is inserted with the primary headgear wrapping about at least one portion of the nasal seal in a sling-like fashion.

Abstract: An expandable endotracheal tube includes a shaft that has an airway. The expandable endotracheal tube also includes an expandable segment mounted to a distal end of the shaft. The expandable segment includes an expandable membrane and a constant force spring positioned within the expandable membrane. The constant force spring has a compressed configuration to allow for placement of the expandable endotracheal tube within a patient and an expanded configuration in which the expandable membrane forms a seal with a trachea of the patient to enable positive pressure ventilation.

Abstract: A cuff assembly for a tracheostomy tube includes an outer bladder and an inner cuff. The inner cuff is positioned adjacent to the tracheostomy tube, and the outer bladder is positioned adjacent to the inner cuff. The outer bladder is made with a less elastic material and operates at a higher relative pressure. The inner cuff is made with a more elastic or hyper-elastic material and operates at a lower relative pressure. A secondary airflow opening is formed on a lateral wall of the tracheostomy tube between the cuff assembly and a main distal opening of the tracheostomy tube.

Abstract: A powered air purifying respirator composing 2-channel structure for air support includes: a mask unit that is worn on a face to surround a mouth or nostrils of a user; a generator unit that causes outside air to flow in and supplies the air to the mask unit; and first and second connector units that are formed to provide channels of the air by being connected to the mask unit and the generator unit at both sides of the first and second connectors, where the generator unit includes a fan driving module having first and second air supply holes at both sides of the fan driving module, the first and second air supply holes communicating with end portions of the first and second connector units.

Abstract: Methods of manufacturing a mask include: providing a shell having an inlet formed on a body of the shell and a flange formed around a lower end of the body, the flange forming a surface on a bottom thereof; providing a first film substrate; providing a second film substrate; bonding the first film substrate to the second film substrate around an outer edge and around an inner edge shaped to fit around a nose and mouth of a patient; cutting the first film substrate and the second film substrate around the outer edge and the inner edge of the first film substrate and the second film substrate. The bonded and cut first film substrate and second film substrate form a first sheet that is joined to a second sheet. The shell is joined to the first sheet at the surface formed on the bottom of the flange.

Abstract: A device for stimulating neurons that includes a stimulation unit that applies mechanically tactile and/or thermal stimuli to the body surface of a patient that stimulate neurons with a pathologically synchronous and oscillatory neural activity. The device includes a measuring unit that records measurement signals of neural activity of the stimulated neurons, and a controller that controls the stimulation unit and analyzes the measurement signals. The controller actuates the stimulation unit to scan at least one part of the body surface of the patient along a path and thereby periodically applies stimuli and also selects two regions or more regions on the patient's body surface along the path where the phase synchronization between the periodic application of the stimuli and the neural activity of the stimulated neurons have a local maximum using the measurement signals. The stimuli are then applied in a delayed manner in the two regions.

Abstract: In a preferred embodiment, methods and systems for the control of the breathing gas supply from a pressure-leading supply conduit to one or more breathing masks of an oxygen emergency supply device in a passenger aircraft include an on/off valve arranged between the supply conduit and the one or more breathing masks. The valve can be blocked or released to control air supply based upon monitoring mass flow to the breathing masks. The valve, for example, is actuated to an open position until the error between the actual mass flow and a desired mass flow exceeds a maximal error value, whereupon the valve is actuated to a closed position until the error between the actual mass flow and the desired mass flow exceeds a minimal error value whereupon the valve is actuated to the open position and the mass flow monitoring cycle is repeated.

Abstract: An in-line droplet delivery device and related methods for delivering precise and repeatable dosages to a subject for pulmonary use is disclosed. The in-line droplet delivery device includes a housing, a mouthpiece, a reservoir, an ejector mechanism, and at least one differential pressure sensor. The in-line droplet delivery device is automatically breath actuated by the user when the differential pressure sensor senses a predetermined pressure change within housing. The in-line droplet delivery device is then actuated to generate a plume of droplets having an average ejected particle diameter within the respirable size range, e.g, less than about 5-6 ?m, so as to target the pulmonary system of the user. the droplet delivery device is configured in an in-line orientation in that the housing, its internal components, and various device components (e.g., the mouthpiece, air inlet flow element, etc.) are orientated in a substantially in-line or parallel configuration (e.g.

Abstract: An apparatus such as a fluid mixer, suitable for use with a respirator, including a venturi nozzle for flow of a pressure-controlled fluid; an ambient fluid aperture in fluid communication with the venturi nozzle; a fluid port; a pressure force multiplier in fluid communication with the fluid port; and a valve moveable relative to the venturi nozzle between a start flow position and a stop flow position; where the pressure force multiplier is configured such that fluid forced into the fluid port actuates the valve relative to the venturi nozzle; and where the pressure force multiplier is configured such that fluid withdrawn from the fluid port actuates the valve relative to the venturi nozzle, further comprising an active filter that comprises an energy harvesting system and at least one filter medium, wherein the energy harvesting system generates electricity to induce a static charge in the at least one filter medium.

Abstract: Portable containment device having a chamber which further includes a first end, a second end, and a vertical wall, wherein a filter is arranged at the second end to entrap airborne particles emitted into an opening formed at the first end of the portable containment device.

Abstract: A method of acclimatizing a patient to provide continuous positive airway pressure (CPAP) therapy, including operating a device for treating sleep disordered breathing (SDB). The device provides continuous positive airway pressure to the patient during sleep via a mask configured to provide a seal with respect to airways of the patient. The method comprises applying full therapeutic pressure during a first session, monitoring a mask pressure during application of the full therapeutic pressure, calculating a difference between the full therapeutic pressure and the mask pressure, comparing the difference to a threshold representing an acceptable level of leak, generating a first signal in response to said comparing, and in response to said first signal indicating a fault in the seal, decreasing an applied pressure to below the full therapeutic pressure during the first session in order to improve the seal of the mask against the patient's face.

Abstract: A hydrogen supply apparatus includes: an air path having an inlet and an outlet; a fan that is disposed in the air path and produces a flow of air from the inlet to the outlet; a first pipe having an end that forms a first supply port through which to supply hydrogen gas to the air path; a flow control device that is attached to the first pipe and adjusts a flow rate of the hydrogen gas; and a hydrogen gas sensor, disposed downstream of the fan or the end in a direction of flow of the air that detects a concentration of the hydrogen gas in the air path, where the end is disposed between the fan and the outlet or between the fan and the inlet in the air path.

Abstract: A ventilator system is capable of displaying complex information patterns in a GUI, thereby allowing a clinician to get subtract complex information from multiple parameters inputs.

Abstract: One form of the present technology includes a sealing structure to seal against a user's face around the user's airways. The sealing structure includes a flap or membrane that extends inward towards the user's airways and includes a structure that prevents an inner boundary of the flap or membrane from being blown outwards (e.g., folded backwards upon itself) due to internal pressurization.