Abstract: Several methods of supporting respiratory function of a patient before, during and/or after a medical procedure are disclosed. In certain arrangements, supporting respiratory function while a patient is under general anaesthesia can include providing a high gas flow that is greater than 15 L/min while the patient is under general anaesthesia. In certain arrangements, a method of providing ventilation while a patient is under general anaesthesia involves providing only a gas flow delivered through a nasal interface that is greater than 15 L/min while the patient is under general anaesthesia.

Abstract: An aerosol delivery system that includes an aerosol generator that aerosolizes a fluid for delivery to a patient. The aerosol generator includes a housing with a fluid chamber that fluidly communicates with a housing inlet and a housing outlet. Within the housing, the aerosol generator includes a support plate with an aperture that fluidly communicates with the housing outlet. A vibratable member couples to the support plate across the aperture. A piezoelectric actuator also couples to the support plate, and in operation expands and contracts to vibrate the vibratable member, which aerosolizes a fluid. The aerosol generator receives fluid through a fluid conduit that couples to the housing.

Abstract: There is provided an aerosol generating system for heating a liquid aerosol-forming substrate. The system includes an aerosol-forming chamber, and a leakage preventer for preventing or reducing leakage of liquid aerosol condensate from the aerosol generating system. The leakage preventer may include one or more of: at least one cavity in a wall of the aerosol-forming chamber, for collecting droplets of condensed liquid aerosol-forming substrate; at least one hooked member for collecting droplets of condensed liquid aerosol-forming substrate; an impactor for disrupting airflow in the aerosol-forming chamber so as to collect liquid droplets; and a closure member for substantially sealing the aerosol-forming chamber when the aerosol generating system is not in use.

Abstract: Provided is a filtering facepiece respirator. The respirator includes a mask body having an anterior side portion, a posterior side portion, a middle portion, a first side portion, a second side portion, a top side portion, a bottom side portion and outer edge portions. The respirator further includes a primary port positioned at the anterior middle portion of the mask body and a detachable primary port adapter which is positioned over and engages the primary port. The respirator may further include an oxygen port and oxygen port adapter and a luer port and luer port adapter.

Abstract: A mask cushion or a mask assembly therewith provides a comfortable and effective seal for provision of a gas therapy by a respiratory treatment apparatus. The mask cushion may be integrated with or coupled to a mask frame. The mask cushion typically includes an inner cushion component. The mask cushion also includes a patient facial-contact side portion with a chamber and a barrier to form the chamber that may be flexible. The chamber may serve as an outer layer with respect to the inner cushion component. The chamber may be partially or completely filled with a gas, fluid or gel. The inner cushion may be formed with a soft flexible material such as an elastomer or foam, etc. The barrier may be a membrane and may also be soft flexible material.

Abstract: The invention relates to providing novel functions to the double lumen breathing circuits and coaxial breathing circuits which at present do not comprise water traps, by adding a closed system water trap designed to have an inkwell shape and a lung pressure measurement port to said circuits wherein the fluid collected in the bottle section can be discharged without having to open the bottle by means of a drainage luer port located at the base of the bottle and a needleless apparatus that has been inserted into the port, and an injector.

Abstract: A medication delivery system including a holding chamber having an input and an output end, a backpiece coupled to the input end of the holding chamber and having an electrical circuit and an opening. An MDI includes an insert portion moveable between an engaged position wherein the insert portion is received in the opening and a disengaged position wherein the insert portion is removed from the opening, and at least one contact that completes the electrical circuit when the insert portion is in the engaged position.

Abstract: An inhaler housing (14) for an inhaler (10) for inhaling inhalable substances, the inhaler having: a body (14) and a dose counter (24) with a return spring (28), wherein a distinct guide surface (162) is provided for guiding the end of the return spring into a recess (152), the distinct guide surface being wider than an entrance mouth (160) of the recess, a dose counter chamber (22) being provided which is separated from a tubular interior space (182) of the inhaler by a barrier (180), the barrier including a stepped upper wall area (184) including at least three steps (186, 188, 190, 192) at different levels, the inhaler having a valve stem block (62) having an inner bore and a valve stem block having a seal (224) in the inner bore with a second diameter which is smaller than a first diameter of the inner bore, the inhaler having a canister (150) being adapted to move during operation between 1 and 4 mm, a drive being arranged to apply a firing force of between 15 N and 60 N of force to the canister at a pos

Abstract: The present invention relates to a tub configured to receive a volume of liquid for a humidifier, comprising at least one plastic component and at least one metal component, which together form a space for receiving said volume of liquid, wherein the at least one metal component and the at least one plastic component are attached to each other by means of a silicone seal. Furthermore, the invention relates to method for manufacturing a tub for a humidifier.

Abstract: Described herein are examples of pharyngeal respirators. Pharyngeal respirators may include a connection end having a first outer width, a flange disposed on the connection end having a second outer width greater than the first outer width, and a socket disposed on the flange. The connection end may be insertably disposed within a receiver of a pharyngeal breathing tube. The flange may not fit within the receiving end of the pharyngeal breathing tube. The socket may receive a medical fitting. The connection end, the flange, and the socket may form a tubular structure having a first end comprising the connection end and a second end comprising the socket.

Abstract: There is provided a mesh for use in forming droplets of liquid in a nebuliser, the mesh comprising a first portion (22) made of a first material having a plurality of holes passing therethrough; and a second portion (26) made of a second material that is in contact with the first portion (22), the second portion (26) having a corresponding plurality of holes passing therethrough, the plurality of holes in the second portion forming nozzles (28) for an outlet side of the mesh; wherein the first material has a higher density than the second material.

Abstract: Systems, methods, and devices for humidifying a breathing gas are presented. The system includes a base unit, a vapor transfer unit, a nasal cannula, and a liquid container. The base unit includes a blower. The vapor transfer unit is external to the base unit and includes a gas passage, a liquid passage, a gas outlet, and a membrane separating the gas passage and the liquid passage. The membrane permits transfer of vapor into the gas passage from liquid in the liquid passage. The nasal cannula is coupled to the gas outlet. The liquid container is configured to reversibly mate with the base unit.

Abstract: The apparatus has an atomizer for the dispersal of a liquid and has an enclosed removable cartridge assembly with a reservoir of liquid and a wick with one end in communication with the liquid and a vibrating transducer in contact with another end of the wick; the transducer, wick and cartridge of liquid are arranged to allow a capillary volume of liquid from the wick to vibrate together to disperse the liquid in a direction away from the wick.

Abstract: A device (100) for facilitating the positioning of a catheter for the delivery of liquid medicament to spontaneously breathing patient, including: —an elongated main body (101) shaped to follow the internal shape of the patient's upper airways, the elongated main body (101) being provided with guiding means (107) adapted to house a catheter; —a substantially ring-shaped terminal element (103) adapted to engage the internal wall of the patient's retro-pharynx, the substantially ring-shaped terminal element (103) being connected to the elongated main body (101) by means of at least one spoke (105), the substantially ring-shaped element (103) and the at least one spoke (105) creating a chamber where the medicament can be delivered through the catheter.

Abstract: The invention relates to a delivery device for nasal medication. It addresses need for delivering medication to the nose of a patient. In a preferred embodiment the device has: •A transducer 10 adapted to create an ultrasonic focal zone; •a feeder chamber 13 holding medication; •an energising chamber 14 smaller than the feeder chamber; •a mesh 15; and •an exit 17. The device is formed so that when it is activated the feeder chamber 13 continuously fills the energising chamber 14 with medication (until the feeder chamber has insufficient medication left to achieve this) so that there is a substantially constant supply of medication within the focal zone able to be energised and forced from the energising chamber so as to contact the mesh, become an aerosol, and leave the device by way of the exit.

Abstract: A patient interface system for delivering a flow of breathable gas to a user includes a patient interface structure configured to sealingly engage the face of the user. The patient interface system further includes an elbow and connector assembly adapted to receive gases from a flow generator and deliver the gases to the patient interface structure. The elbow and connector assembly includes a ring attached to the patient interface, a sleeve, and an elbow. The ring includes an inner flange, an outer flange separated from the inner flange by a channel, and a plurality of vent slots extending through the inner flange, across the channel, and through the outer flange. The sleeve is configured so that inserting the sleeve into the ring forms a plurality of vent paths for the venting of exhalation gases from an interior of the patient interface to an exterior of the patient interface through the vent slots.

Abstract: A valve arrangement (60) is for a patient interface device (10) having a frame portion (16). The valve arrangement includes a valve member (36) having a coupling portion (44) and a blocking portion (46) extending from the coupling portion. The coupling portion of the valve member is structured to be coupled to the frame portion. The blocking portion is structured to move between a first position and a second position. The valve arrangement further includes a guard member (40) having a coupling portion (48) and a protecting portion (50) extending from the coupling portion of the guard member. The coupling portion of the guard member is structured to be coupled to the frame portion. When the blocking portion of the valve member moves from the first position toward the second position, the blocking portion moves toward the protecting portion of the guard member.

Abstract: A wearable air filtration apparatus configured to fit beneath a full-face helmet is disclosed. The apparatus includes a front plate including an output aperture and at least one input aperture, the input and output apertures arranged to be substantially front facing when the apparatus is worn by a user. An air filter is arranged behind the front plate and positioned to filter air moving from in front of the apparatus toward the face of a user wearing the apparatus. A valve plate is located behind the filter, the valve plate including an output check valve in fluid communication with the output aperture and at least one input check valve in fluid communication with the at least one input aperture.

Abstract: Disclosed are a respirator and a handling method, a control system, a program and a readable medium thereof. The respirator comprises blowers and an airflow output channel which communicates with the corresponding one of the blowers. The blowers include a first blower and a second blower; an air inlet of the second blower communicates with an air outlet of the first blower, and an air outlet of the second blower communicates with the airflow output channel. The respirator of the disclosure adopts a power structure which includes the first blower and the second blower, wherein the first blower as an air supply source supplies air to the second blower to obtain a two-level pressure boosting effect.

Abstract: A system for humidifying respiratory gases has a humidification apparatus, a humidification chamber, a heating apparatus and a sensor. The sensor is configured to determine a characteristic of the gases flow and communicate this to a controller which controls the power supplied to the heating apparatus with respect to information regarding the characteristic of the gases flow. A structure partially encloses the humidification chamber and allows energy loss through a wall of the humidification chamber. The humidification chamber may have features to promote heat loss through the wall of the chamber.