A humidifier assembly for a CPAP includes a base housing with a gas inlet configured to receive respiratory gas from the CPAP unit. The base housing includes a first connecting device located at a sidewall of the base housing and configured to directly, removably connect the base housing to the CPAP
A humidifier assembly for a CPAP includes a base housing with a gas inlet configured to receive respiratory gas from the CPAP unit. The base housing includes a first connecting device located at a sidewall of the base housing and configured to directly, removably connect the base housing to the CPAP unit. The base housing also includes a second connecting device configured to be coupled to an air delivery hose. The humidifier assembly further includes a liquid storage container that is removably received in the base housing. The liquid storage container includes a liquid storage space configured to store liquid and a humidifying region configured to receive the respiratory gas from the gas feed opening and receive a partial amount of the liquid stored in the liquid storage space to enrich the respiratory gas with moisture.
대표청구항▼
1. A humidifier assembly for a continuous positive airway pressure (CPAP) unit, the humidifier assembly comprising: a base housing with a gas inlet configured to receive respiratory gas from the CPAP unit, the base housing comprising a) a first connecting device located at a sidewall of the base hou
1. A humidifier assembly for a continuous positive airway pressure (CPAP) unit, the humidifier assembly comprising: a base housing with a gas inlet configured to receive respiratory gas from the CPAP unit, the base housing comprising a) a first connecting device located at a sidewall of the base housing and configured to directly, removably connect the base housing to the CPAP unit and b) a second connecting device configured to be coupled to an air delivery hose; anda liquid storage container that is removably received in the base housing,wherein the first connecting device comprises: a gas inlet connecting portion located at the base housing gas inlet and configured to directly and pneumatically connect to a corresponding gas outlet connecting portion on the CPAP unit; andan electrical connecting device located below the gas inlet connecting portion and configured to connect to a corresponding electrical connecting device of the CPAP unit, andwherein the liquid storage container comprises: a gas feed opening in a side wall of the liquid storage container, the gas feed opening being configured to pneumatically connect to the gas inlet of the base housing when the liquid storage container is fully received by the base housing;a liquid storage space configured to store liquid; anda humidifying region configured to receive the respiratory gas from the gas feed opening and receive a partial amount of the liquid stored in the liquid storage space to enrich the respiratory gas with moisture,wherein the liquid storage container is configured so that when enough liquid in the humidifying region evaporates into the respiratory gas to lower the liquid in the humidifying region below a predetermined level, air escapes from the humidifying region to the liquid storage space and the partial amount of the liquid stored in the liquid storage space is transferred to the humidifying region. 2. The humidifier assembly of claim 1, wherein the liquid storage container further comprises: a separating wall which separates the humidifying region from the liquid storage space; anda sealing device that in conjunction with the separating wall, sealingly separates the liquid storage space from the humidifying region,wherein the separating wall comprises an integral metering device configured to meter the liquid transferred from the liquid storage space into the humidifying region, the metering device comprising a mouth in the separating wall, an upper side of the mouth being at the predetermined level. 3. The humidifier assembly of claim 1, wherein the second connecting device is located at a gas outlet of the base housing, both the gas inlet and the gas outlet of the base housing are configured to communicate with an interior of the liquid storage container humidifying region when the liquid storage container is received by the base housing, and the gas outlet of the base housing is configured to deliver the respiratory gas from the CPAP unit with added humidity. 4. The humidifier assembly of claim 1, wherein the liquid storage space further comprises a refilling opening configured to be sealingly closed. 5. The humidifier assembly of claim 1, wherein the liquid storage container further comprises a direction-changing device configured to direct the respiratory gas toward the liquid in the humidifying region. 6. The humidifier assembly of claim 1, wherein the liquid storage container is configured to be received by or removed from the base housing without disconnecting the air delivery hose from the second connecting device. 7. The humidifier assembly of claim 1, wherein the liquid storage container further comprises: a separating wall which separates the humidifying region from the liquid storage space; anda sealing device that in conjunction with the separating wall, sealingly separates the liquid storage space from the humidifying region,wherein the separating wall comprises an integral metering device configured to meter the liquid transferred from the liquid storage space into the humidifying region, the metering device comprising a mouth in the separating wall, an upper side of the mouth being at the predetermined level,wherein the second connecting device is located at a gas outlet of the base housing, both the gas inlet and the gas outlet of the base housing are configured to communicate with an interior of the liquid storage container humidifying region when the liquid storage container is received by the base housing, and the gas outlet of the base housing is configured to deliver the respiratory gas from the CPAP unit with added humidity,wherein the liquid storage space further comprises a refilling opening configured to be sealingly closed,wherein the liquid storage container further comprises a direction-changing device configured to direct the respiratory gas toward the liquid in the humidifying region, andwherein the liquid storage container is configured to be received by or removed from the base housing without disconnecting the air delivery hose from the second connecting device. 8. A CPAP apparatus comprising: the humidifier assembly of claim 1;the air delivery hose configured to be connected to the second connecting device of the humidifier assembly;the CPAP unit configured to directly, removably connect to the humidifier assembly, the CPAP unit comprising: the gas outlet connecting portion configured to directly and pneumatically connect to the gas inlet connecting portion of the humidifier assembly, wherein the gas outlet connecting portion is located on a sidewall of the CPAP unit and is configured to be selectively coupled to the air delivery hose or the gas inlet connecting portion of the humidifier assembly to deliver the respiratory gas to the air delivery hose or the humidifier assembly, respectively; andthe electrical connecting device configured to connect to the electrical connecting device of the humidifier assembly, wherein the electrical connecting device of the CPAP unit is located below the gas outlet connecting portion and on the same sidewall of the CPAP unit as the gas outlet connecting portion, wherein a longitudinal axis of the gas inlet connecting portion of the humidifier assembly is provided at the same vertical heightwise level as the longitudinal axis of the gas outlet connecting portion of the CPAP unit such that the gas inlet connecting portion of the humidifier assembly and the gas outlet connecting portion of the CPAP unit are joined when the humidifier assembly and the CPAP unit are moved laterally towards each other while placed on a common flat surface; anda securing device configured to rigidly secure the sidewall of the humidifier assembly base housing to the sidewall of the CPAP unit when the gas inlet connecting portion of the humidifier assembly and the gas outlet connecting portion of the CPAP unit are moved completely into a joined position. 9. The CPAP apparatus of claim 8, wherein the gas inlet connecting portion of the humidifier assembly and the gas outlet connecting portion of the CPAP unit are correspondingly complementary shaped. 10. The CPAP apparatus of claim 8, wherein the electrical connecting device of the CPAP unit and the electrical connecting device of the humidifier assembly comprise contact elements configured to communicate with a power supply. 11. A humidifier assembly for a continuous positive airway pressure (CPAP) apparatus, the humidifier assembly comprising: a base housing with a sidewall connecting surface configured to be removably and directly connected to a corresponding sidewall connecting surface of a CPAP unit, the base housing being configured to be pneumatically connected to the CPAP unit when the base housing sidewall connecting surface is directly connected to the sidewall connecting surface of the CPAP unit; anda liquid storage container that is removably received in the base housing, the liquid storage container comprising: a liquid storage space configured to store liquid;a humidifying region configured to enrich respiratory gas with moisture;a separating wall that separates the liquid storage space from the humidifying region; anda partial-amount discharge device comprising a mouth in the separating wall and being configured to discharge a partial amount of the liquid in the liquid storage space to the humidifying region of the liquid stored in the liquid storage space to enrich the respiratory gas with moisture,wherein the partial-amount discharge device is configured so that when enough liquid in the humidifying region evaporates into the respiratory gas to lower the liquid in the humidifying region below a predetermined level, air in the humidifying region escapes through the partial-amount discharge device to the liquid storage space and the partial amount of the liquid stored in the liquid storage space is transferred to the humidifying region through the partial-amount discharge device. 12. The humidifier assembly of claim 11, wherein the base housing sidewall connecting surface comprises: a gas inlet connecting portion configured to connect to a gas outlet connecting portion on the CPAP unit and receive pressurized breathable gas from the gas outlet connecting portion; anda first electrical connecting device located below the gas inlet connecting portion and configured to connect to a corresponding second electrical connecting device located on the CPAP unit. 13. The humidifier assembly of claim 11, wherein the partial-amount discharge device is configured so that when the liquid in the humidifying region is at or above the predetermined level, the liquid in the humidifying region prevents the partial-amount discharge device from discharging liquid from the liquid storage space to the humidifying region. 14. The humidifier assembly of claim 11, wherein the separating wall sealingly separates the liquid storage space from the humidifying region in conjunction with a sealing device. 15. The humidifier assembly of claim 11, wherein the liquid storage space further comprises a refilling opening configured to be sealingly closed. 16. The humidifier assembly of claim 11, wherein the liquid storage container further comprises a direction-changing device configured to direct the respiratory gas toward the liquid in the humidifying region. 17. The humidifier assembly of claim 11, wherein the base housing sidewall connecting surface comprises: a gas inlet connecting portion configured to connect to a gas outlet connecting portion on the CPAP unit and receive pressurized breathable gas from the gas outlet connecting portion; anda first electrical connecting device located below the gas inlet connecting portion and configured to connect to a corresponding second electrical connecting device located on the CPAP unit,wherein the partial-amount discharge device is configured so that when the liquid in the humidifying region is at the predetermined level, the liquid in the humidifying region prevents the partial-amount discharge device from discharging liquid from the liquid storage space to the humidifying region,wherein the separating wall sealingly separates the liquid storage space from the humidifying region in conjunction with a sealing device, andwherein the liquid storage space further comprises a refilling opening configured to be sealingly closed and a direction-changing device configured to direct the respiratory gas toward the liquid in the humidifying region. 18. A CPAP apparatus comprising: the humidifier assembly of claim 11;an air delivery hose configured to be connected to a gas outlet of the humidifier assembly; andthe CPAP unit configured to be pneumatically connected to the base housing of the humidifier assembly, the CPAP unit comprising: the CPAP unit sidewall connecting surface configured to directly connect to the humidifier assembly base housing sidewall connecting surface;a gas outlet connecting portion located on the CPAP unit sidewall connecting surface and configured to be selectively coupled to the air delivery hose or a gas inlet connecting portion on the humidifier assembly base housing sidewall connecting surface to deliver the respiratory gas to the air delivery hose or the humidifier assembly, respectively, the gas outlet connecting portion and the gas inlet connecting portion being correspondingly complementary shaped; anda first electrical connecting device located on the CPAP unit sidewall below the gas outlet connecting portion and configured to be coupled to a corresponding second electrical connecting device on the humidifier assembly base housing sidewall connecting surface, the first electrical connecting device and the second electrical connecting device comprising contact elements configured to communicate with a power supply,wherein a longitudinal axis of the gas outlet connecting portion is provided at the same vertical heightwise level as the longitudinal axis of the gas inlet connecting portion such that the gas outlet connecting portion and the gas inlet connecting portion are joined when the humidifier assembly and the CPAP unit are moved laterally towards each other while placed on a common flat surface. 19. The CPAP apparatus of claim 18 further comprising: a securing device configured to rigidly secure the sidewall of the humidifier assembly base housing to the sidewall of the CPAP unit when the gas inlet connecting portion of the humidifier assembly and the gas outlet connecting portion of the CPAP unit are moved completely into a joined position. 20. A humidifier assembly for a continuous positive airway pressure (CPAP) apparatus, the humidifier assembly comprising: a base housing that is configured to selectively fixedly attach to and detach from a CPAP unit by way of lateral movement toward and away from the CPAP unit, the base housing being configured to be fluidly connected to the CPAP unit when attached to the CPAP unit;a liquid storage container that is removably received in the base housing, the liquid storage container comprising: a liquid storage space configured to store liquid;a humidifying region for enriching respiratory gas with moisture, the humidifying region having a liquid reference level;a separating wall which separates the humidifying region from the liquid storage space;a respiratory gas supply device for supplying the respiratory gas to the humidifying region;a respiratory gas withdrawal device for withdrawal of the moisture enriched respiratory gas from the humidifying region; anda partial-amount discharge device for passing a partial amount of the liquid stored in the liquid storage space into the humidifying region,wherein the separating wall includes an integral downward extension defining, at least in part, a mouth opening positioned at the liquid reference level in the humidifying region so that when the liquid in the humidifying region is at the liquid reference level, the mouth opening is closed by the liquid in the humidifying region,wherein when the mouth opening is closed by the liquid in the humidifying region, the liquid in the humidifying region prevents a make-up flow of air from passing into the liquid storage space thereby preventing any liquid from flowing out of the liquid storage space, andwherein as soon as the liquid falls below the liquid reference level due to consumption of the liquid in the humidifying region, the make-up flow of air is permitted to pass into the liquid storage space, whereby liquid is permitted to pass out of the liquid storage space into the humidifying region. 21. The humidifier assembly of claim 20, wherein a base of the humidifying region comprises thermally conductive material and a bottom of the base housing comprises a heating device configured to engage the thermally conductive material of the humidifying region when the liquid storage container is received by the base housing. 22. The humidifier assembly of claim 20, wherein the separating wall sealingly separates the liquid storage space from the humidifying region in conjunction with a sealing device. 23. The humidifier assembly of claim 20, wherein the liquid storage space further comprises a refilling opening configured to be sealingly closed. 24. The humidifier assembly of claim 20, wherein the liquid storage container further comprises a direction-changing device configured to direct the respiratory gas toward the liquid in the humidifying region. 25. The humidifier assembly of claim 20, wherein the liquid storage space further comprises: a refilling opening configured to be sealingly closed; and a direction-changing device configured to direct the respiratory gas toward the liquid in the humidifying region,wherein a base of the humidifying region comprises thermally conductive material and a bottom of the base housing comprises a heating device configured to engage the thermally conductive material of the humidifying region when the liquid storage container is received by the base housing, andwherein the separating wall sealingly separates the liquid storage space from the humidifying region in conjunction with a sealing device. 26. A continuous positive airway pressure (CPAP) apparatus comprising: the humidifier assembly of claim 20; andthe CPAP unit configured to directly, removably connect to the humidifier assembly; andan air delivery hose configured to be selectively pneumatically connected to a gas outlet of the humidifier assembly or a gas outlet connecting portion the CPAP unit; anda securing device configured to rigidly secure a sidewall of the humidifier assembly base housing to a sidewall of the CPAP unit when a gas inlet connecting portion of the humidifier assembly and the gas outlet connecting portion of the CPAP unit are moved completely into a joined position,wherein the gas outlet connecting portion of the CPAP unit is configured to directly and pneumatically connect to the gas inlet connecting portion of the humidifier assembly,wherein the gas outlet connecting portion is located on a sidewall of the CPAP unit and is configured to be selectively coupled to the air delivery hose or the gas inlet connecting portion of the humidifier assembly to deliver the respiratory gas to the air delivery hose or the humidifier assembly, respectively, andwherein a longitudinal axis of the gas inlet connecting portion of the humidifier assembly is provided at the same vertical heightwise level as the longitudinal axis of the gas outlet connecting portion of the CPAP unit such that the gas inlet connecting portion of the humidifier assembly and the gas outlet connecting portion of the CPAP unit are joined when the humidifier assembly and the CPAP unit are moved laterally towards each other while placed on a common flat surface. 27. The CPAP apparatus of claim 26, wherein the CPAP unit further comprises a first electrical connecting device and the humidifier assembly further comprises a second electrical connecting device configured to connect to the first electrical connecting of the CPAP unit, wherein the first electrical connecting device of the CPAP unit is located below the gas outlet connecting portion of the CPAP unit and on the same sidewall of the CPAP unit as the gas outlet connecting portion, and the second electrical connecting device is located below the gas inlet connecting portion of the humidifier assembly and on the same sidewall of the humidifier assembly as the gas inlet connecting portion. 28. The CPAP apparatus of claim 27, wherein the first electrical connecting device of the CPAP unit and the second electrical connecting device of the humidifier assembly comprise contact elements configured to communicate with a power supply. 29. The CPAP apparatus of claim 26, wherein the CPAP unit is constructed to pressurized the respiratory gas in a range of 5-20 mbar. 30. The CPAP apparatus of claim 26, wherein the gas inlet connecting portion of the humidifier assembly and the gas outlet connecting portion of the CPAP unit are correspondingly complementary shaped.
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