Breathable gas apparatus with humidifier
First Claim
Patent Images
1. An apparatus for treatment of obstructive sleep apnea, comprising:
- a continuous positive airway pressure device capable of providing a supply of air at a pressure in the a range of about 4 cmH2O to about 20 cmH2O; and
a humidifier connectable to the continuous positive airway pressure device, the humidifier including;
a humidifier base,a humidifier lid hingedly connected to the humidifier base to allow the humidifier lid to close and open, the humidifier lid including an air delivery pipe constructed and arranged to mate with an air delivery tube, the humidifier lid further including a lid seal,the humidifier base further including a humidifier heater plate and a humidifier base seal; and
a water tank having a water tank base to receive water and a water tank lid, the water tank base including a heat conductive portion to conduct heat from the humidifier heater plate to water in the water tank in use,the apparatus further comprising a latch to releasably connect the continuous positive airway pressure device to the humidifier; and
a locking mechanism constructed and arranged to releasably hold the humidifier lid when closed,wherein the humidifier base is constructed and arranged to receive the water tank when the humidifier lid is open;
wherein, when the humidifier base receives the water tank, the heat conductive portion of the water tank is positioned relative to the humidifier heater plate to allow heat transfer communication therebetween in use;
wherein, when the continuous positive airway pressure device and the humidifier are latched together and the humidifier lid is closed with the water tank placed in the humidifier base, a sealed gas flow path is established, said sealed gas flow path extending from the continuous positive airway pressure device, through the humidifier base seal located between the humidifier base and a rear surface of the water tank, through an interior of the water tank, through the lid seal surrounding an outlet of the water tank lid and located on an underside of the humidifier lid, and to the air delivery pipe of the humidifier lid; and
wherein an engagement face of the continuous positive airway pressure device includes electrical connectors to deliver power to the humidifier heater plate.
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Abstract
Apparatus for treatment of obstructive sleep apnea includes a CPAP device and a detachable humidifier. The humidifier includes a tank that is removably insertable into a humidifier base. A sealed air flow path from the CPAP device and through the water tank is established when the water tank is placed in the humidifier base.
238 Citations
30 Claims
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1. An apparatus for treatment of obstructive sleep apnea, comprising:
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a continuous positive airway pressure device capable of providing a supply of air at a pressure in the a range of about 4 cmH2O to about 20 cmH2O; and a humidifier connectable to the continuous positive airway pressure device, the humidifier including; a humidifier base, a humidifier lid hingedly connected to the humidifier base to allow the humidifier lid to close and open, the humidifier lid including an air delivery pipe constructed and arranged to mate with an air delivery tube, the humidifier lid further including a lid seal, the humidifier base further including a humidifier heater plate and a humidifier base seal; and a water tank having a water tank base to receive water and a water tank lid, the water tank base including a heat conductive portion to conduct heat from the humidifier heater plate to water in the water tank in use, the apparatus further comprising a latch to releasably connect the continuous positive airway pressure device to the humidifier; and
a locking mechanism constructed and arranged to releasably hold the humidifier lid when closed,wherein the humidifier base is constructed and arranged to receive the water tank when the humidifier lid is open; wherein, when the humidifier base receives the water tank, the heat conductive portion of the water tank is positioned relative to the humidifier heater plate to allow heat transfer communication therebetween in use; wherein, when the continuous positive airway pressure device and the humidifier are latched together and the humidifier lid is closed with the water tank placed in the humidifier base, a sealed gas flow path is established, said sealed gas flow path extending from the continuous positive airway pressure device, through the humidifier base seal located between the humidifier base and a rear surface of the water tank, through an interior of the water tank, through the lid seal surrounding an outlet of the water tank lid and located on an underside of the humidifier lid, and to the air delivery pipe of the humidifier lid; and wherein an engagement face of the continuous positive airway pressure device includes electrical connectors to deliver power to the humidifier heater plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An apparatus for treatment of obstructive sleep apnea, comprising:
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a continuous positive airway pressure device capable of providing a supply of air at a pressure in the range of about 4 cmH2O to about 20 cmH2O; and a humidifier connectable to the continuous positive airway pressure device, the humidifier including; a humidifier base, a humidifier lid hingedly connected to the humidifier base to allow the humidifier lid to close and open, the humidifier lid including an air delivery pipe constructed and arranged to mate with an air delivery tube, the humidifier lid further including a lid seal with a sealing flange, the humidifier lid being constructed and arranged to be a) rotatable from a closed position to a maximum extent of normal travel in an open position and b) removable from the humidifier base by further rotation of the humidifier lid beyond the maximum extent, the humidifier base further including a humidifier heater plate and a humidifier base seal, the humidifier base seal including a connector portion and a peripheral seal; and a water tank having a water tank base to receive water and a water tank lid, the water tank base including a heat conductive portion to conduct heat from the humidifier heater plate to water in the water tank in use, the water tank lid including an outlet with an aperture, the sealing flange of the lid seal being configured to abut and sealingly engage a surface radially surrounding the aperture of the outlet of the water tank lid, the peripheral seal of the humidifier base seal being configured to abut and seal against a flat surface radially surrounding an aperture of an inlet of the water tank, the apparatus further comprising a latch to releasably connect the continuous positive airway pressure device to the humidifier; and
a locking mechanism constructed and arranged to releasably hold the humidifier lid when closed, the locking mechanism being configured to provide an audible “
click”
sound upon locking,wherein the humidifier base is constructed and arranged to receive the water tank when the humidifier lid is open; wherein, when the humidifier base receives the water tank, the heat conductive portion of the water tank is positioned relative to the humidifier heater plate to allow heat transfer communication therebetween in use; wherein, when the continuous positive airway pressure device and the humidifier are latched together and the humidifier lid is closed with the water tank placed in the humidifier base, a sealed gas flow path is established, said sealed gas flow path extending from the continuous positive airway pressure device, through the humidifier base seal located between the humidifier base and a rear surface of the water tank, through an interior of the water tank, through the lid seal surrounding an outlet of the water tank lid and located on an underside of the humidifier lid, and to the air delivery pipe of the humidifier lid; and wherein an engagement face of the continuous positive airway pressure device includes electrical connectors to deliver power to the humidifier heater plate. - View Dependent Claims (21, 22, 23, 24, 25)
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26. An apparatus for treatment of obstructive sleep apnea, comprising:
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a continuous positive airway pressure device capable of providing a supply of air at a pressure in the range of about 4 cmH2O to about 20 cmH2O; and a humidifier connectable to the continuous positive airway pressure device, the humidifier including; a humidifier base, a humidifier lid hingedly connected to the humidifier base to allow the humidifier lid to close and open, the humidifier lid including an air delivery pipe constructed and arranged to mate with an air delivery tube, the humidifier lid further including a lid seal, the humidifier base further including a humidifier heater plate and a humidifier base seal; and a water tank having a water tank base to receive water, a water tank seal, and a water tank lid, the water tank base including a heat conductive portion to conduct heat from the humidifier heater plate to water in the water tank in use, the water tank being constructed and arranged to allow disengagement of the water tank base and the water tank lid and including filling level graduations marked on a wall of the water tank, the apparatus further comprising a latch to releasably connect the continuous positive airway pressure device to the humidifier; and
a locking mechanism constructed and arranged to releasably hold the humidifier lid when closed,wherein the humidifier base is constructed and arranged to receive the water tank when the humidifier lid is open; wherein, when the humidifier base receives the water tank, the heat conductive portion of the water tank is positioned relative to the humidifier heater plate to allow heat transfer communication therebetween in use; wherein, when the continuous positive airway pressure device and the humidifier are latched together and the humidifier lid is closed with the water tank placed in the humidifier base, a sealed gas flow path is established, said sealed gas flow path extending from the continuous positive airway pressure device, through the humidifier base seal located between the humidifier base and a rear surface of the water tank, through an interior of the water tank, through the lid seal surrounding an outlet of the water tank lid and located on an underside of the humidifier lid, and to the air delivery pipe of the humidifier lid; and wherein an engagement face of the continuous positive airway pressure device includes electrical connectors to deliver power to the humidifier heater plate. - View Dependent Claims (27, 28, 29, 30)
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Specification