Tub for humidifier
First Claim
Patent Images
1. A humidifier adapted to be connected to a flow generator, the humidifier comprising:
- a humidifier cradle having a bottom surface with a heating element and a side face configured to engage the flow generator and facilitate attachment of the humidifier to the flow generator;
a humidifier lid hinged to the humidifier cradle, the humidifier lid including a seal and an air outlet pipe configured to be connected to a hose to deliver a supply of pressurized, breathable gas to a patient via a patient interface; and
a water container configured to store a supply of water used to humidify the supply of breathable gas and configured to be received by the humidifier cradle, the water container comprising;
a tub lid; and
a tub adapted to be coupled to the lid, the tub comprising;
a base plate with a perimeter including a plurality of tabs with apertures;
a tub base with a bottom peripheral edge that includes a rim defining an opening, the tub base including a plurality of tab receiving portions configured to receive the plurality of base plate tabs and a plurality of heat stakes that extend through the apertures in the base plate tabs, each heat stake having a melted head portion that is larger than a corresponding aperture; and
a tub seal positioned between the base plate and the tub base,wherein the humidifier lid is pivotable to an open position that accommodates insertion of the water container into the humidifier cradle, and pivotable to a closed position that secures the water container in an operable position in the humidifier cradle,wherein the heating element is configured to contact the base plate of the tub when the water container is inserted into the humidifier cradle,wherein the humidifier lid is configured to be raised with the hose still attached,wherein the humidifier lid seal is configured to engage the tub lid when the humidifier lid is in the closed position, andwherein the tub lid is configured to communicate with the air outlet pipe when the humidifier lid is in the closed position.
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Accused Products
Abstract
A humidifier includes a tub configured to hold a supply of water. The tub includes a tub lid and a tub base adapted to be coupled to the tub lid. The tub further includes a base plate formed of a heat conducting material and adapted to be coupled to the tub base and a seal positioned between the base plate and the tub base. The tub also includes a retaining mechanism with at least one projection that projects from the tub base and is configured to force the base plate against the seal so that the seal is secured against the tub base.
266 Citations
39 Claims
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1. A humidifier adapted to be connected to a flow generator, the humidifier comprising:
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a humidifier cradle having a bottom surface with a heating element and a side face configured to engage the flow generator and facilitate attachment of the humidifier to the flow generator; a humidifier lid hinged to the humidifier cradle, the humidifier lid including a seal and an air outlet pipe configured to be connected to a hose to deliver a supply of pressurized, breathable gas to a patient via a patient interface; and a water container configured to store a supply of water used to humidify the supply of breathable gas and configured to be received by the humidifier cradle, the water container comprising; a tub lid; and a tub adapted to be coupled to the lid, the tub comprising; a base plate with a perimeter including a plurality of tabs with apertures; a tub base with a bottom peripheral edge that includes a rim defining an opening, the tub base including a plurality of tab receiving portions configured to receive the plurality of base plate tabs and a plurality of heat stakes that extend through the apertures in the base plate tabs, each heat stake having a melted head portion that is larger than a corresponding aperture; and a tub seal positioned between the base plate and the tub base, wherein the humidifier lid is pivotable to an open position that accommodates insertion of the water container into the humidifier cradle, and pivotable to a closed position that secures the water container in an operable position in the humidifier cradle, wherein the heating element is configured to contact the base plate of the tub when the water container is inserted into the humidifier cradle, wherein the humidifier lid is configured to be raised with the hose still attached, wherein the humidifier lid seal is configured to engage the tub lid when the humidifier lid is in the closed position, and wherein the tub lid is configured to communicate with the air outlet pipe when the humidifier lid is in the closed position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A tub for a humidifier configured to hold a supply of water, the tub comprising:
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a tub lid; a tub base adapted to be coupled to the tub lid; a base plate formed of a heat conducting material and adapted to be coupled to the tub base; a seal positioned between the base plate and the tub base; and a retaining mechanism with at least one projection that projects from the tub base through the heat conducting material and is configured to force the base plate against the seal so that the seal is secured against the tub base, wherein the base plate comprises a plurality of tabs configured to be received by a plurality of tab receiving portions in the tub base, and wherein the plurality of tabs share a common plane parallel to the base plate. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A tub for a humidifier configured to hold a supply of water, the tub comprising:
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a base plate with raised edges, a perimeter of the base plate including a plurality of tabs with apertures; a tub base with a bottom peripheral edge that includes a rim defining an opening, the tub base including a plurality of tab receiving portions configured to receive the plurality of base plate tabs and a plurality of stakes that extend through the apertures in the base plate tabs, each stake having a melted head portion that is larger than a corresponding aperture; a seal positioned between the base plate and the tub base; and a tub lid adapted to be coupled to the tub base, wherein the plurality of tabs of the base plate are comprised of heat conducting material, and wherein the plurality of tabs share a common plane parallel to the base plate. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33)
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34. A humidifier adapted to be connected to a flow generator, the humidifier comprising:
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a humidifier cradle having a bottom surface with a heating element and a side face configured to engage the flow generator and facilitate attachment of the humidifier to the flow generator; a humidifier lid hinged to the humidifier cradle, the humidifier lid including a seal and an air outlet pipe configured to be connected to a hose to deliver a supply of pressurized, breathable gas to a patient via a patient interface; and a water container configured to store a supply of water used to humidify the supply of breathable gas and configured to be received by the humidifier cradle, the water container comprising; a tub lid; and a tub adapted to be coupled to the lid, the tub comprising; a base plate with a plurality of apertures surrounding a central portion of the base plate, the apertures being located at a periphery of the base plate; a tub base with a bottom peripheral edge that includes a rim defining a substantially circular opening, the tub base including a plurality of heat stakes that project from the tub base and extend through the apertures in the base plate, each heat stake having a melted head portion that is larger than a corresponding aperture; and wherein the humidifier lid is pivotable to an open position that accommodates insertion of the water container into the humidifier cradle, and pivotable to a closed position that secures the water container in an operable position in the humidifier cradle, wherein the central portion of the base plate is substantially circular and covers the substantially circular opening of the tub base, wherein the plurality of heat stakes and the plurality of apertures are equidistant from the center of the central portion of the base plate, wherein the heating element is configured to contact the base plate of the tub when the water container is inserted into the humidifier cradle, wherein the humidifier lid is configured to be raised with the hose still attached, wherein the humidifier lid seal is configured to engage the tub lid when the humidifier lid is in the closed position, and wherein the tub lid is configured to communicate with the air outlet pipe when the humidifier lid is in the closed position. - View Dependent Claims (35, 36, 37, 38, 39)
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Specification