A humidifier assembly for a CPAP apparatus includes a liquid storage container configured to hold a body of liquid. The liquid storage container includes a humidifying region above a metallic heat conducting material, the humidifying region being a region inside the liquid storage container in which
A humidifier assembly for a CPAP apparatus includes a liquid storage container configured to hold a body of liquid. The liquid storage container includes a humidifying region above a metallic heat conducting material, the humidifying region being a region inside the liquid storage container in which the liquid is evaporated into pressurized respiratory gas generated in the CPAP apparatus. The humidifier assembly further includes a base unit configured to a) receive the liquid storage container and b) connect to a CPAP unit of the CPAP apparatus. The base unit includes a housing providing a base portion to support the liquid storage container thereon, the base portion including a heating element configured to contact the heat conducting material of the liquid storage container when the liquid storage container is supported on the base unit. The base unit also includes an inlet configured to receive and be coupled to an outlet of the CPAP unit. In addition, the liquid storage container is removable from the base unit.
대표청구항▼
1. A CPAP apparatus comprising: a CPAP unit with a blower configured to pressurize gas, the CPAP unit comprising an outlet in a side wall;a liquid storage container configured to hold a body of liquid, the liquid storage container comprising a humidifying region above a metallic heat conducting mate
1. A CPAP apparatus comprising: a CPAP unit with a blower configured to pressurize gas, the CPAP unit comprising an outlet in a side wall;a liquid storage container configured to hold a body of liquid, the liquid storage container comprising a humidifying region above a metallic heat conducting material, the humidifying region being a region inside the liquid storage container in which the liquid is evaporated into pressurized respiratory gas generated by the CPAP unit blower; anda humidifier base unit configured to a) receive the liquid storage container and b) connect to the CPAP unit, the base unit comprising: a housing providing a) a base portion to support the liquid storage container thereon and b) a side wall with a first surface configured to engage the side wall of the CPAP unit, the base portion including a heating element configured to contact the heat conducting material of the liquid storage container when the liquid storage container is supported on the base unit; andan inlet at the side wall of the humidifier base unit configured to receive and be coupled to the outlet of the CPAP unit by moving the CPAP unit and the humidifier base unit housing toward each other,wherein the liquid storage container is removable from the humidifier base unit. 2. The CPAP apparatus according to claim 1, wherein the humidifier base unit housing and the liquid storage container are configured so that moving the liquid storage container to be fully received by the humidifier base unit aligns a liquid storage container inlet with a gas supply passage in the base unit housing. 3. The CPAP apparatus according to claim 2, wherein the side wall of the humidifier base unit housing comprises a) a first surface configured to face the CPAP unit and b) a second surface proximate the first surface and facing a direction substantially opposite a direction the first surface faces, the second surface being configured to face the liquid storage container, wherein the gas supply passage terminates at the humidifier base unit inlet. 4. The CPAP apparatus according to claim 1, wherein an interior of the liquid storage container comprises at least one direction changing device configured to change a direction of a flow of gas inside the liquid storage container. 5. The CPAP apparatus according to claim 1, wherein the humidifier base unit includes electrical contact elements configured to communicate with a power supply. 6. The CPAP apparatus according to claim 1, wherein the humidifier base unit housing and the liquid storage container are configured so that securing the liquid storage container to the base unit aligns an inlet of the liquid storage container with a gas supply passage in the humidifier base unit housing, wherein the side wall of the humidifier base unit housing comprises a) a first surface configured to face the CPAP unit and b) a second surface that is opposite the first surface and is configured to face the liquid storage container,wherein the gas supply passage terminates at the humidifier base unit inlet,wherein an interior of the liquid storage container comprises at least one baffle configured to change a direction of a flow of gas inside the liquid storage container, andwherein the humidifier base unit includes contact elements configured to communicate with a power supply. 7. The CPAP apparatus of claim 1, wherein the humidifier base unit is configured to a) directly dock with the CPAP unit without the CPAP unit being lifted and b) humidify the pressurized gas. 8. The CPAP apparatus according to claim 7, wherein the side wall of the CPAP unit is configured to engage and disengage from the side wall of the humidifier base unit, at least a portion of the side wall of the CPAP unit being convex and a portion of the first surface of the side wall of the humidifier base unit being configured to engage the convex portion and being concave. 9. The CPAP apparatus according to claim 7 further comprising a latching device configured to couple the side wall of the CPAP unit to the side wall of the humidifier base unit. 10. The CPAP apparatus according to claim 7, wherein the side wall of the CPAP unit comprises a first electrical connector and the side wall of the humidifier base unit comprises a second electrical connector configured to engage the first electrical connector to provide electrical power to the heating element when the CPAP unit and the humidifier base unit are coupled together. 11. A humidifier assembly for a CPAP unit, the humidifier assembly comprising: a liquid storage container configured to hold a body of liquid, the liquid storage container comprising a humidifying region above a heat conducting material, the humidifying region being a region inside the liquid storage container in which the liquid is evaporated into pressurized respiratory gas generated in the CPAP unit; anda base body configured to support the liquid storage container and configured to be directly laterally coupled to the CPAP unit, the liquid storage container being removable from the base body, the base body comprising: a connecting portion configured to be directly fitted to a tube connector of the CPAP unit and receive pressurized gas from the CPAP unit when the base body is directly laterally coupled to the CPAP unit;a laterally extending gas feed passage configured to convey pressurized gas from the connecting portion to a gas feed opening of the liquid storage container, the base body and the liquid storage container being configured so that the gas feed opening is automatically aligned to receive pressurized gas from the laterally extending gas feed passage when the liquid storage container is fully received by the base body; anda resistance heater in a base portion of the base body, the resistance heater being configured to be in direct contact with the heat conducting material of the liquid storage container when the liquid storage container is supported on the base body. 12. The humidifier assembly according to claim 11, wherein the liquid storage container further comprises a respiratory gas discharge opening and the base unit further comprises a) a respiration tube connection portion configured to be coupled to a respiration tube and b) a respiratory gas discharge passage configured to convey pressurized gas from the respiratory gas discharge opening to the respiration tube connection portion, and wherein the base body and the liquid storage container are configured so that the respiratory gas discharge opening is automatically aligned with the respiratory gas discharge passage when the liquid storage container is fully received by the base body. 13. The humidifier assembly according to claim 11, wherein the base body further comprises an electrical connecting device configured to receive at least one of a) voltage supply for the resistance heater and b) electrical signals for controlling the humidifier assembly, wherein the electrical connecting device is configured to automatically engage the CPAP unit when the CPAP unit and the humidifier assembly are coupled together. 14. The humidifier assembly according to claim 11, wherein the base body comprises engagement structures configured to engage the CPAP unit and directly laterally couple the humidifier assembly to the CPAP unit. 15. The humidifier assembly according to claim 11, wherein the base body comprises a latching device configured to engage the CPAP unit and directly laterally couple the humidifier assembly to the CPAP unit. 16. The humidifier assembly according to claim 11, wherein the liquid storage container further comprises a respiratory gas discharge opening and the base unit further comprises a) a respiration tube connection portion configured to be coupled to a respiration tube and b) a respiratory gas discharge passage configured to convey pressurized gas from the respiratory gas discharge opening to the respiration tube connection portion, wherein the base body and the liquid storage container are configured so that the respiratory gas discharge opening is automatically aligned with the respiratory gas discharge passage when the liquid storage container is fully received by the base body,wherein the base body further comprises an electrical connecting device configured to receive at least one of a) voltage supply for the resistance heater and b) electrical signals for controlling the humidifier assembly, wherein the electrical connecting device is configured to automatically engage the CPAP unit when the CPAP unit and the humidifier assembly are coupled together, andwherein the base body comprises engagement structures configured to engage the CPAP unit and directly laterally couple the humidifier assembly to the CPAP unit. 17. A CPAP apparatus comprising: the humidifier assembly according to claim 11; andthe CPAP unit configured to be directly, laterally coupled to the humidifier assembly,wherein the humidifier assembly is configured to a) be connected to the CPAP unit in modular relationship and b) humidify the pressurized gas, wherein the CPAP unit comprises a tube connection configured to be selectively coupled to one of the connection portion of the humidifier assembly and a respiration tube configured to deliver the pressurized gas to a patient. 18. The CPAP apparatus according to claim 17, wherein the CPAP unit and the humidifier assembly are configured so that the a tube connection of the CPAP unit and the connection portion of the humidifier assembly are automatically positioned at exactly the same vertical heightwise level when the CPAP unit and the humidifier assembly stand on the same flat the surface. 19. The CPAP apparatus according to claim 17, wherein the CPAP unit and the humidifier assembly further comprise support feet configured to position the connecting portion of the humidifier assembly and the tube connection of the CPAP unit at the same vertical heightwise level. 20. The CPAP apparatus according to claim 17, wherein the CPAP unit and the humidifier assembly are configured to be coupled together in a joining direction, and wherein the CPAP unit and the humidifier assembly connecting members are oriented substantially in the joining direction. 21. A humidifier assembly for a CPAP unit, the humidifier assembly comprising: a base unit with a first upright surface facing a first direction and a second upright surface adjacent the first upright surface and facing a second direction opposite the first direction, the first upright surface being configured to engage the CPAP unit, the base unit having an inlet at the first upright surface;at least one centering aid configured to center the base unit with respect to the CPAP unit in a lateral direction when the base unit is coupled to the CPAP unit;a gas flow passage extending at least from the base unit inlet to the second upright surface; anda liquid storage container configured to be coupled to and removed from the base unit, the liquid storage container comprising an inlet,wherein the gas flow passage and the liquid storage container inlet are configured to cooperate to form a continuous sealed air path from the base unit inlet to an interior of the liquid storage container when the liquid storage container is coupled to the base unit. 22. The humidifier assembly according to claim 21, wherein the base unit air inlet is configured to be coupled to an air outlet of the CPAP unit. 23. The humidifier assembly according to claim 21, wherein the liquid storage container comprises a third upright surface configured to be adjacent the second upright surface when the liquid storage container is coupled to the base unit, and wherein at least a portion of the second upright surface has a curvature that is complimentary to a curvature of the third upright surface. 24. The humidifier assembly according to claim 21, wherein the liquid storage container comprises a third upright surface configured to be adjacent the second upright surface when the liquid storage container is coupled to the base unit, and wherein at least a portion of the second upright surface is curved and has the same center of curvature of a corresponding portion of the third upright surface. 25. The humidifier assembly according to claim 21, wherein the liquid storage container comprises: a bottom portion, at least part of the bottom portion being constructed of a heat conducting material, wherein the base unit comprises a heating element configured to contact the heat conducting material of the bottom portion of the liquid storage container when the liquid storage container is coupled to the base unit. 26. The humidifier assembly according to claim 21, wherein the base unit air inlet is configured to be coupled to an air outlet of the CPAP unit, wherein the liquid storage container comprises a third upright surface configured to be adjacent the second upright surface when the liquid storage container is coupled to the base unit,wherein at least a portion of the second upright surface has a curvature that is complimentary to and has the same center of curvature as a corresponding portion of the third upright surface,wherein the liquid storage container comprises a bottom portion, at least part of the bottom portion being constructed of a heat conducting material, andwherein the base unit comprises a heating element configured to contact the heat conducting material of the bottom portion of the liquid storage container when the liquid storage container is coupled to the base unit. 27. A CPAP apparatus comprising: a humidifier assembly according to claim 21; andthe CPAP unit configured to be coupled to the humidifier assembly, the CPAP unit having a block-shaped or box-shaped housing,wherein the humidifier assembly is configured to a) be connected to the CPAP unit in a modular manner virtually without any intermediate space between the CPAP unit and the humidifier assembly and b) humidify pressurized gas. 28. The CPAP apparatus according to claim 27, wherein the CPAP unit housing comprises an engagement face configured to engage and disengage from the first upright surface of the humidifier assembly base unit, at least a portion of the engagement face of the CPAP unit being convex and a portion of the first upright surface of the humidifier assembly base unit being configured to engage the convex portion and being concave. 29. The CPAP apparatus according to claim 27, wherein the CPAP unit comprises an engagement face configured to engage the first upright surface of the humidifier assembly, the CPAP unit comprising a first electrical connector and the first upright surface of the humidifier assembly base unit comprises a second electrical connector configured to engage the first electrical connector to provide electrical power to a heating element of the humidifier assembly base unit when the CPAP unit and the humidifier assembly are coupled together. 30. The CPAP apparatus according to claim 27 further comprising a latching device configured to be selectively moved between a locked position and a release to couple the CPAP unit to the humidifier assembly base unit and decouple the CPAP unit from the humidifier base unit.
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