35 results about "Respiratory humidifier" patented technology

The present invention relates to the connections between respiratory humidifiers and / or other such devices and heated breathing conduits used to couple a patient to the humidifier. In particular, the invention is a connector to couple a gases supply means and a conduit, such that the connector causes there to be an electrical and pneumatic, that is, sealed connection between a conduit including an electrical wire extending within, throughout or about it and a gases supply device, such as a humidifier, blower or the like. The connector may be of a single port type or a dual port type. The dual port type connector is suitable for ventilator apparatus that have a dry line (dry breathing conduit) extending from a ventilator or blower that carries dry gas to a humidifier and an inspiratory limb that extends from the humidifier to the patient and carries humidified gases to the patient.

This invention relates to respiratory humidifiers and heated breathing conduits used to couple a patient to the humidifier. A conduit overheating detection system for a conduit having heating wire or element is disclosed. The overheating detection system may be utilized with a in a single limb conduit system or dual limb system. In each of these systems the conduit overheating detection system monitors the current in the heating element(s) and alters the power to the heating element(s) to prevent the occurrence the heating element(s) and / or conduit from overheating.

A respiration humidifier with a base unit (2), at least one sensor (3), which is connected to the base unit (2), and a mixing chamber (4), which is designed as a mixing chamber detachable from the base unit (2), with a gas-carrying area (5), wherein the mixing chamber (4) has at least one opening (6), through which the at least one sensor (3) is in connection with the gas-carrying area (5).

A device is provided for increasing humidity for respirating patients, especially for a respiration humidifier or an anesthesia reflector. The device includes a gas channel for passing through breathing air, a control and / or regulating device, a temperature sensor and a dew sensor for measuring the humidity present in the breathing air by electromagnetic radiation with a generating device and with a detection device for electromagnetic radiation. The humidity of the breathing air is determined at a low cost and in a reliable manner and condensation is avoided in the respiration system without any additional effort for sterilization. Humidity in the breathing air is determined by the a dew sensor by the change in the reflection of the electromagnetic radiation as a function of dew formation at a condensation-fogged and condensation-free boundary surface between breathing air and a medium having an optical density higher than that of breathing air.

A respiration humidifier (1), including a humidifying chamber (21), an inlet (10) for feeding breathing air (5) to be humidified into the humidifying chamber (21), an outlet (11) for releasing the humidified breathing air (9) from the humidifying chamber (21), a bottom (19) liming the humidifying chamber (21) for receiving water (18) to be evaporated, water (4), which is received by the bottom (19) in the humidifying chamber (21) and is to be evaporated for humidifying the breathing air (5) and at least one distributor (2) with capillary and / or suction action, which is arranged in the humidifying chamber (21) such that this is in contact with the water (4) to take up water (4) in the distributor (2) and is in contact with the breathing air in the humidifying chamber (21) for evaporating the water (4) taken up on the surface of the distributor (2) into the breathing air (5). The respiration humidifier allows a high evaporating capacity to be reached with homogeneous air-vapor mixture at a low design effort. Furthermore, splash water is avoided in the humidifying chamber and the respiration humidifier is able to be manufactured at a low cost. This object is accomplished by the at least one distributor (2) covering at least 50% of the surface of the water (4).

A connecting system for connecting a ventilation tube to a respiratory humidifier (1) is provided, wherein the ventilation tube comprises an electrical line and the respiratory humidifier (1) comprises a housing (2) and a liquid container (4), the connection system including a first connection element (6) arranged on the liquid container (4); a first electrical contact element (24) arranged on the housing (2); and a second connection element (14), which can be connected to the ventilation tube (7, 9) and comprises a second electrical contact element (16), which can be connected to the electrical line of the ventilation tube (7, 9); wherein the first connection element (6) and the second connection element (14) can be connected to each other in a first connecting direction in such a way that, by establishment of the pneumatic connection of the ventilation tube (7, 9) to the liquid container (4), the electrical connection of the first contact element (24) to the second contact element (16) is produced. The electrical connection of the first contact element (24) to the second contact element (16) can be established in a second connecting direction different from the first connecting direction, preferably in a direction essentially perpendicular to the first connecting direction.

A respiration humidifier having a base unit and a chamber constructed to hold liquid. A sensor is connected to the chamber and configured to sense a condition within the chamber. A radiation signal transmitter is carried by the chamber and associated with the sensor. The transmitter wirelessly sends a radiation signal indicative of the sensed condition. The humidifier includes a radiation signal receiver carried by the base unit for receiving the signal. The humidifier includes a control unit that controls the condition based on the radiation signal received by the radiation signal receiver. Another aspect provides a breathing system using the humidifier. The breathing system includes a gas flow generator that generates a flow of gas to a user circuit coupled to the gas flow generator and adapted to communicate the flow of gas to a user.

A portable, efficient, integrated humidification system for use, e.g., with a positive airway pressure devices. The portable, efficient, integrated humidification system described herein offers many advantages over current humidification systems! There are many advantages to a portable respiratory humidifier. Portability reduces the amount of space the humidifier occupies in the user's bedroom environment. Portability enhances travel for the user. With less to pack, carry, and manage, the user is more likely to remain adherent to therapy when not at home. Portability allows for better utilization in recreational vehicles, while camping, in foreign countries, in the sleeping cabins of trucks or airliners, and on marine craft.

A respiration humidifier with a base unit (2), at least one sensor (3), which is connected to the base unit (2), and a mixing chamber (4), which is designed as a mixing chamber detachable from the base unit (2), with a gas-carrying area (5), wherein the mixing chamber (4) has at least one opening (6), through which the at least one sensor (3) is in connection with the gas-carrying area (5).

A device is provided for increasing humidity for respirating patients, especially for a respiration humidifier or an anesthesia reflector. The device includes a gas channel for passing through breathing air, a control and / or regulating device, a temperature sensor and a dew sensor for measuring the humidity present in the breathing air by electromagnetic radiation with a generating device and with a detection device for electromagnetic radiation. The humidity of the breathing air is determined at a low cost and in a reliable manner and condensation is avoided in the respiration system without any additional effort for sterilization. Humidity in the breathing air is determined by the a dew sensor by the change in the reflection of the electromagnetic radiation as a function of dew formation at a condensation-fogged and condensation-free boundary surface between breathing air and a medium having an optical density higher than that of breathing air.

A respiratory humidifier chamber for use with a breathing assistance apparatus is described. The chamber comprises a water-tight vessel having an inlet for receiving gases from the breathing assistance apparatus, and an outlet through which heated humidified gases exit the vessel for delivery to a patient. The chamber has a partition which divides the chamber into upstream and downstream sub-chambers. The sub-chambers are separated by the partition except for an aperture which passes through the partition and allows gaseous communication between the sub-chambers. The downstream sub-chamber includes a heater base which heats a volume of water contained within it The aperture is located above the volume of water. The upstream sub-chamber contains an internal heater which heats gases passing through it from the inlet to the aperture. At least part of the internal heater is located immediately adjacent the aperture.

A contactless temperature-measuring device especially for a respiration humidifier with a flow channel for breathing gas, which is improved in respect to handling and reliability of measurement. The device includes: a hollow body (1), which is closed towards the flow channel (2, 6), extends into the flow channel (2, 6) for assuming the temperature in the flow channel (2, 6); and an infrared detector (3, 7) is directed toward the inner surface of the hollow body (1) extending into the flow channel (2, 6) for the contactless detection of the temperature of the hollow body (1).

A respiration humidifier (1), including a humidifying chamber (21), an inlet (10) for feeding breathing air (5) to be humidified into the humidifying chamber (21), an outlet (11) for releasing the humidified breathing air (9) from the humidifying chamber (21), a bottom (19) limiting the humidifying chamber (21) for receiving water (18) to be evaporated, water (4), which is received by the bottom (19) in the humidifying chamber (21) and is to be evaporated for humidifying the breathing air (5) and at least one distributor (2) with capillary and / or suction action, which is arranged in the humidifying chamber (21) such that this is in contact with the water (4) to take up water (4) in the distributor (2) and is in contact with the breathing air in the humidifying chamber (21) for evaporating the water (4) taken up on the surface of the distributor (2) into the breathing air (5). The respiration humidifier allows a high evaporating capacity to be reached with homogeneous air-vapor mixture at a low design effort. Furthermore, splash water is avoided in the humidifying chamber and the respiration humidifier is able to be manufactured at a low cost. This object is accomplished by the at least one distributor (2) covering at least 50% of the surface of the water (4).

An electrically conductive plastic (ECP) material can be used to heat water in a reservoir of a respiratory humidifier to encourage heating and / or humidification of gases passing through the respiratory humidifier. The electrically conductive plastic material can at least in part overmould the base and / or walls of the chamber and / or the reservoir of the respiratory humidifier. The reservoir can also partially or fully be formed from the electrically conductive plastic material. Furthermore, the humidification system can be configured to create substantially equal or differential heating of water in the reservoir.

A contactless temperature-measuring device especially for a respiration humidifier with a flow channel for breathing gas, which is improved in respect to handling and reliability of measurement. The device includes: a hollow body (1), which is closed towards the flow channel (2, 6), extends into the flow channel (2, 6) for assuming the temperature in the flow channel (2, 6); and an infrared detector (3, 7) is directed toward the inner surface of the hollow body (1) extending into the flow channel (2, 6) for the contactless detection of the temperature of the hollow body (1).

A ventilation tube system for breathing gas for ventilating patients is provided, the system having a first inhalation tube (1) connectable to a respiratory humidifier (3) and to a Y-piece (5); a second inhalation tube (7) connectable to a respirator (9) and to the respiratory humidifier (3); and an exhalation tube (11) connectable to the respirator (9) and to the Y-piece (5); wherein at least certain portions of the first inhalation tube (1) and the exhalation tube (11) each comprise tube heaters having at least one heating wire (15, 17) wherein each of the tube heaters is controllable by a power supply and control unit inside the respiratory humidifier (3) wherein a power supply line (13) of the tube heater of the exhalation tube (11) starts from a link of the second inhalation tube (7) at the respiratory humidifier (3) and proceeds from there via the second inhalation tube (7) and a connecting element (21) separate from the respirator (9).

A respiratory humidifier chamber for use with a breathing assistance apparatus is described. The chamber includes a water-tight vessel having an inlet for receiving gases from the breathing assistance apparatus, and an outlet through which heated humidified gases exit the vessel for delivery to a patient. The chamber has a partition which divides the chamber into upstream and downstream sub-chambers. The sub-chambers are separated by the partition except for an aperture which passes through the partition and allows gaseous communication between the sub-chambers. The downstream sub-chamber includes a heater base which heats a volume of water contained within it. The aperture is located above the volume of water. The upstream sub-chamber contains an internal heater which heats gases passing through it from the inlet to the aperture. At least part of the internal heater is located immediately adjacent the aperture.

An electrically conductive plastic (ECP) material can be used to heat water in a reservoir of a respiratory humidifier to encourage heating and / or humidification of gases passing through the respiratory humidifier. The electrically conductive plastic material can at least in part overmould the base and / or walls of the chamber and / or the reservoir of the respiratory humidifier. The reservoir can also partially or fully be formed from the electrically conductive plastic material.

A temperature-measuring device for a respiratory humidifier (1) with a liquid container (5) is provided, wherein the temperature-measuring device comprises a flow channel (9) for breathing gas and an infrared detector (21), which is directed from the outside toward the flow channel (9) for the contactless detection of the temperature of the breathing gas in the flow channel (9), wherein the flow channel (9) comprises on its lateral surface (13) a measurement portion (15), which is aligned with the surrounding areas of the lateral surface (13) and toward which the infrared detector (21) is directed, wherein the flow channel (9) comprises a flow guide element (17), which conducts the breathing gas stream to the measurement portion (15) at a previously determined inflow angle of preferably greater than 10° and less than 170°.

A portable, efficient, integrated humidification system for use, e.g., with a positive airway pressure devices. The portable, efficient, integrated humidification system described herein offers many advantages over current humidification systems! There are many advantages to a portable respiratory humidifier. Portability reduces the amount of space the humidifier occupies in the user's bedroom environment. Portability enhances travel for the user. With less to pack, carry, and manage, the user is more likely to remain adherent to therapy when not at home. Portability allows for better utilization in recreational vehicles, while camping, in foreign countries, in the sleeping cabins of trucks or airliners, and on marine craft.

A respiratory humidifier (1) for a ventilation system is provided, the humidifier comprising:a housing (2), which is designed essentially in the shape of an “L” with a horizontal and a vertical part (4, 6) and a projecting portion (10) extending from the free end of the vertical part (6) toward the horizontal part (4), and which comprises a control unit, a user interface (12), and a heating plate (8), wherein the user interface (12) is arranged on the projecting portion (10) and the heating plate (8) is arranged on the horizontal part (4); anda liquid container (3), which is designed essentially in the shape of a “U”, comprising a recess (7) and a bottom plate (24) as well as two connector elements (5), each of which establishes a connection with a breathing tube;wherein the heating plate (8) can be heated for heating the liquid in the liquid container (3), and the bottom plate (24) can be brought into contact with the heating plate (8);wherein the liquid container (3) can be slid in such a way onto the housing (2) to establish an operating state so that, when in said operating state, the projecting portion (10) of the housing (2) is positioned above the bottom plate (24) of the liquid container (3).

A liquid-container / ventilation-tube kit for a ventilation system that includes (a) a ventilator, (b) a respiratory humidifier having a housing and a liquid container, the housing having a pair of first electrical contact elements, (c) a first inhalation tube extending from the respiratory humidifier to a Y-piece, (d) a second inhalation tube extending from the ventilator to the respiratory humidifier, and (e) an exhalation tube extending from the Y-piece to the ventilator, the kit including the liquid container having a pair of first connection elements for removable connection of the first and second inhalation tubes thereto, and a pair of second connection elements each attached to a respective one of the first and second inhalation tubes and by which each of the inhalation tubes is pneumatically connected to a respective one of the first connection elements along a first connecting direction, each second connection element having a second electrical contact element that is positioned and arranged such that electrical connection with a respective one of the first electrical contact elements is possible in both of two ways, one when the pneumatic connection of the respective ventilation tube to the liquid container is effected after the liquid container has been inserted into the housing and the other when the liquid container is inserted into the housing after the pneumatic connection of the ventilation tubes to the liquid container has been effected.

An electrically conductive plastic (ECP) material can be used to heat water in a reservoir of a respiratory humidifier to encourage heating and / or humidification of gases passing through the respiratory humidifier. The electrically conductive plastic material can at least in part overmould the base and / or walls of the chamber and / or the reservoir of the respiratory humidifier. The reservoir can also partially or fully be formed from the electrically conductive plastic material. Furthermore, the humidification system can be configured to create substantially equal or differential heating of water in the reservoir.

A lighting device for a respiratory humidifier (1) is provided, the humidifier comprising a liquid container (3) with a bottom plate and a housing (2) with a heating plate (8), wherein the heating plate (8) can be heated for heating the liquid in the liquid container (3), and wherein the bottom plate can be brought into contact with the heating plate (8), wherein the housing (2) comprises a light source (20) and a light exit portion (22), and the liquid container (3) comprises a light entrance portion (21), wherein the light proceeding from the light source (20) proceeds in a lighting direction through the light exit portion (22) and the light entrance portion (21) and thus arrives in the liquid container (3).

A portable, efficient, integrated humidification system for use, e.g., with a positive airway pressure devices. The portable, efficient, integrated humidification system described herein offers many advantages over current humidification systems! There are many advantages to a portable respiratory humidifier. Portability reduces the amount of space the humidifier occupies in the user's bedroom environment. Portability enhances travel for the user. With less to pack, carry, and manage, the user is more likely to remain adherent to therapy when not at home. Portability allows for better utilization in recreational vehicles, while camping, in foreign countries, in the sleeping cabins of trucks or airliners, and on marine craft.

The invention belongs to the technical field of breathing humidifiers, and discloses breathing humidifier humidity detection and calibration equipment which comprises a humidifier body and a detection tool and further comprises a flow guide assembly arranged in the detection tool and used for guiding air conveyed at the humidifier body; the ventilation assembly is arranged in the detection tool and used for conveying mist to the humidifier body; through cooperation of the flow guide assembly, the drying assembly and other structures, the pipeline can be dried conveniently, the three-way piece is pulled to move to move towards the sealing shell, the stirring block drives the three-way piece to move to abut against the sealing shell, and the third sealing piece and the first sealing piece are pushed to move at the same time; the sealing shell is communicated with the three-way piece, then air in the three-way piece enters the filter block, the filter block absorbs the air in the air, and therefore the air exits from the air pipe and an inner channel of the humidifier body to be dried.

A portable, efficient, integrated humidification system for use, e.g., with a positive airway pressure devices. The portable, efficient, integrated humidification system described herein offers many advantages over current humidification systems! There are many advantages to a portable respiratory humidifier. Portability reduces the amount of space the humidifier occupies in the user's bedroom environment. Portability enhances travel for the user. With less to pack, carry, and manage, the user is more likely to remain adherent to therapy when not at home. Portability allows for better utilization in recreational vehicles, while camping, in foreign countries, in the sleeping cabins of trucks or airliners, and on marine craft.

The utility model relates to the technical field of breathing machines, in particular to a breathing humidifier and a breathing machine, the breathing humidifier comprises a humidifying outer box and a machine shell, a water tank is fixed in the humidifying outer box, an air outlet pipe is fixed on the surface of the top position of the water tank, an air inlet pipe is arranged on one side of the air outlet pipe, and an air outlet pipe is arranged on the other side of the air inlet pipe. An anti-condensation mechanism is arranged on one side of the humidifying outer box, the anti-condensation mechanism is composed of a moisture absorption component, a breathing hose and a water collection box, anti-backflow mechanisms are arranged at one end of the air outlet pipe and one end of the air inlet pipe, anti-backflow components and air guide pipes are arranged in the anti-backflow mechanisms, and a cover plate covers the surface of the machine shell. An efficient filtering mechanism is arranged on the surface of the machine shell, and a filtering assembly and a baffle are arranged in the efficient filtering mechanism. According to the breathing machine, the comfort degree of a patient is improved when the breathing machine is used, the service life is not prone to being affected by water backflow, and the purity of air inhaled by the patient when the breathing machine is used is improved.

A breathing air humidifier (1) comprises a breathing air inlet (3), a breathing air outlet (5), and an electric heating element (9). The breathing air humidifier (1) is switchable between a humidification mode and a preparation mode for preparing the breathing air humidifier (1) for operation in humidification mode and is designed to humidify breathing air supplied at the breathing air inlet (3) in humidification mode, whereby the breathing air is tempered by means of the heating element (9), and to provide it in such a humidified state at the breathing air outlet (5).A method for operating the humidifier (1) comprises: when the humidifier (1) is switched on or off, switching the humidifier (1) into preparation mode and operating the humidifier (1) in preparation mode to allow the dissipation of excess heat from inside the humidifier (1) due to prior operation of the humidifier (1) in humidification mode, with the heating element (9) deactivated.