[특허]Breathable gas apparatus with humidifier

ResMed Limited

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Breathable gas apparatus with humidifier

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A62B-009/00 A61M-016/00 F22B-001/00 A61M-016/16 A61M-016/08 A61M-016/10 B01F-003/04 B29L-031/00
출원번호	US-0079098 (2016-03-24)
등록번호	US-RE46543 (2017-09-12)
우선권정보	AU-2003903139 (2003-06-20); AU-2003905136 (2003-09-22); AU-2004901008 (2004-02-27)
발명자 / 주소	Trevor-Wilson, Duncan Lovel Lithgow, Perry David Virr, Alexander Bath, Andrew Roderick Janiak, Michael Thomas Kao, Dan Saada, Jim
출원인 / 주소	ResMed Limited
대리인 / 주소	Nixon & Vanderhye P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 196

초록

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.

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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 thea range of about 4 cmH2O to about 20 cmH2O; anda 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; anda 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; andwherein an engagement face of the continuous positive airway pressure device includes electrical connectors to deliver power to the humidifier heater plate. 2. The apparatus of claim 1, further comprising a backflow prevention structure located adjacent a mouth of thean inlet aperture of the water tank. 3. The apparatus of claim 2, wherein the backflow prevention structure, comprises a non-return valve. 4. The apparatus of any of theclaim 1, wherein the humidifier includes a pair of flat male blade connectors for engagement with mating connectors on the continuous positive airway pressure device. 5. The apparatus of claim 1, wherein the continuous positive airway pressure device is constructed and arranged to detect automatically the presence of the humidifier and adjust an automatic control algorithm of the continuous positive airway pressure device when the continuous positive airway pressure device and the humidifier are connected. 6. The apparatus of claim 1, further wherein the water tank includes filling level graduations scribed or otherwise marked on thea wall of the water tank. 7. The apparatus of claim 1, wherein the humidifier base and the water tank have complementary configurations to guide positioning of the water tank in the humidifier base. 8. The apparatus of claim 1 wherein the water tank further comprises a water tank seal. 9. The apparatus of claim 1 wherein the water tank is constructed and arranged to allow disengagement of the water tank base and the water tank lid. 10. The apparatus of claim 1 further comprising an air delivery conduit and a patient interface, and wherein the air delivery conduit is connected to the air delivery pipe of the humidifier lid, and the air delivery conduit is connected to the patient interface for delivery of humidified air to a patient. 11. The apparatus of claim 1, wherein the humidifier lid is constructed and arranged so that it is rotatable from a closed position to a maximum extent of normal travel in an open position, and wherein, upon further rotation of the humidifier lid beyond the maximum extent, the humidifier lid becomes removed from the humidifier base. 12. The apparatus of claim 1, wherein the locking mechanism is configured to provide an audible “click” sound upon locking. 13. The apparatus of claim 1, wherein the lid seal is a pressure-assisted seal. 14. The apparatus of claim 1, wherein the humidifier base seal is a pressure-assisted seal. 15. The apparatus of claim 1, wherein the humidifier base seal includes a connector portion and a peripheral seal to abut and seal against a flat surface radially surrounding an aperture of an inlet of the water tank. 16. The apparatus of claim 1, wherein the lid seal includes a sealing flange to abut and sealingly engage a surface radially surrounding an aperture of the outlet of the water tank lid. 17. The apparatus of claim 1, further comprising a user operable control for selecting a desired air humidity setting. 18. The apparatus of claim 1, constructed and arranged so that when the water tank is received in the water tank base and the humidifier lid is closed, the water tank base and the water tank lid are pressed rearwards. 19. The apparatus of claim 1 further comprising a user operable control for selecting a desired air humidity setting, wherein the humidifier includes a pair of flat male blade connectors for engagement with mating connectors on the continuous positive airway pressure device,wherein the continuous positive airway pressure device is constructed and arranged to detect automatically the presence of the humidifier and adjust an automatic control algorithm of the continuous positive airway pressure device when the continuous positive airway pressure device and the humidifier are connected,wherein the water tank includes filling level graduations marked on the wall of the water tank,wherein the humidifier base and the water tank have complementary configurations to guide positioning of the water tank in the humidifier base,wherein the water tank further comprises a water tank seal,wherein the water tank is constructed and arranged to allow disengagement of the water tank base and the water tank lid,wherein the humidifier lid is constructed and arranged so that it is rotatable from a closed position to a maximum extent of normal travel in an open position, and wherein, upon further rotation of the humidifier lid beyond the maximum extent, the humidifier lid becomes removed from the humidifier base,wherein the locking mechanism is configured to provide an audible “click” sound upon locking,wherein the lid seal is a pressure-assisted seal,wherein the humidifier base seal is a pressure-assisted seal,wherein the humidifier base seal includes a connector portion and a peripheral seal to abut and seal against a flat surface radially surrounding an aperture of an inlet of the water tank, andwherein the lid seal includes a sealing flange to abut and sealingly engage a surface radially surrounding an aperture of the outlet of the water tank lid. 20. 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 range of about 4 cmH2O to about 20 cmH2O; anda 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; anda 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; andwherein an engagement face of the continuous positive airway pressure device includes electrical connectors to deliver power to the humidifier heater plate. 21. The apparatus of claim 20, wherein the lid seal and the humidifier base seal are pressure-assisted seals. 22. The apparatus of claim 20, wherein the water tank further comprises a water tank seal, the water tank is constructed and arranged to allow disengagement of the water tank base and the water tank lid and the water tank includes filling level graduations marked on a wall of the water tank. 23. The apparatus of claim 20, wherein the humidifier includes a pair of flat male blade connectors for engagement with mating connectors on the continuous positive airway pressure device. 24. The apparatus of claim 20, wherein the humidifier base and the water tank have complementary configurations to guide positioning of the water tank in the humidifier base. 25. The apparatus of claim 20, wherein the continuous positive airway pressure device is constructed and arranged to detect automatically the presence of the humidifier and adjust an automatic control algorithm of the continuous positive airway pressure device when the continuous positive airway pressure device and the humidifier are connected. 26. 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 range of about 4 cmH2O to about 20 cmH2O; anda 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; anda 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; andwherein an engagement face of the continuous positive airway pressure device includes electrical connectors to deliver power to the humidifier heater plate. 27. The apparatus of claim 26, wherein the humidifier lid is constructed and arranged so that it is rotatable from a closed position to a maximum extent of normal travel in an open position, and wherein, upon further rotation of the humidifier lid beyond the maximum extent, the humidifier lid becomes removed from the humidifier base, wherein the locking mechanism is configured to provide an audible “click” sound upon locking,wherein the lid seal is a pressure-assisted seal,wherein the humidifier base seal is a pressure-assisted seal,wherein the humidifier base seal includes a connector portion and a peripheral seal to abut and seal against a flat surface radially surrounding an aperture of an inlet of the water tank, andwherein the lid seal includes a sealing flange to abut and sealingly engage a surface radially surrounding an aperture of the outlet of the water tank lid. 28. The apparatus of claim 26, wherein the humidifier includes a pair of flat male blade connectors for engagement with mating connectors on the continuous positive airway pressure device. 29. The apparatus of claim 26, wherein the humidifier base and the water tank have complementary configurations to guide positioning of the water tank in the humidifier base. 30. The apparatus of claim 26 further comprising a controller and a sensor configured to automatically detect the presence of the humidifier and adjust an automatic control algorithm of the continuous positive airway pressure device when the continuous positive airway pressure device and the humidifier are connected.

이 특허에 인용된 특허 (196)

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특허 상세정보

Breathable gas apparatus with humidifier

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Breathable gas apparatus with humidifier

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