IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0675974
(2012-11-13)
|
등록번호 |
US-9114225
(2015-08-25)
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발명자
/ 주소 |
- Roberts, Keith A.
- Helget, Jeff
|
출원인 / 주소 |
|
대리인 / 주소 |
Dicke, Billig & Czaja, PLLC
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
11 |
초록
▼
A membrane oxygen humidifier that is associated with a gas source for increasing humidity of the gas. The membrane oxygen humidifier includes an enclosure, a membrane unit and a humidification source. The enclosure includes an inlet port and an outlet port. The membrane unit is removably mounted in
A membrane oxygen humidifier that is associated with a gas source for increasing humidity of the gas. The membrane oxygen humidifier includes an enclosure, a membrane unit and a humidification source. The enclosure includes an inlet port and an outlet port. The membrane unit is removably mounted in the enclosure to extend between the inlet port and the outlet port. The humidification source in communication with the enclosure and the membrane unit.
대표청구항
▼
1. A membrane oxygen humidifier that is associated with a gas source for increasing humidity of the gas received from the gas source, wherein the membrane oxygen humidifier comprises: an enclosure comprising: an inlet port;an outlet port;a body portion that comprises a mounting structure having a pa
1. A membrane oxygen humidifier that is associated with a gas source for increasing humidity of the gas received from the gas source, wherein the membrane oxygen humidifier comprises: an enclosure comprising: an inlet port;an outlet port;a body portion that comprises a mounting structure having a pair of arms extending therefrom and wherein each of the arms has a body portion tooth extending therefrom; anda cap portion that is mountable with respect to the body portion to define the enclosure;a membrane unit that comprises; a water vapor permeable membrane having an inner region and an outer surface, wherein oxygenated gas from the gas source is configured to pass through the inner region between the inlet port and the outlet port; anda pair of resilient arms extending therefrom, wherein proximate a distal end of each arm, a membrane unit tooth extends therefrom, wherein the arms deflect when the membrane unit is moved towards the body portion so that the body portion teeth engage the membrane unit teeth to form a snap-fit receptacle that removably attaches the membrane unit to the enclosure; anda humidification source that is configured to provide a gas containing water vapor to the outer surface of the water vapor permeable membrane. 2. The membrane oxygen humidifier of claim 1, wherein the membrane unit is removably mounted in the enclosure. 3. The membrane oxygen humidifier of claim 1, wherein the cap portion is pivotally mounted to the body portion to move between an open configuration and a closed configuration. 4. The membrane oxygen humidifier of claim 1, wherein the gas containing water vapor is air. 5. The membrane oxygen humidifier of claim 1, wherein the membrane unit comprises: a plurality of water vapor permeable membranes that each have a first end and a second end;a first end cap mounted proximate the first ends of the membranes; anda second end cap mounted proximate the second ends of the membranes; anda membrane support structure that extends between the first end cap and the second end cap, wherein the membrane support structure has at least one opening that is configured to allow the gas containing water vapor to pass therethrough. 6. The membrane oxygen humidifier of claim 5, wherein each of the water vapor permeable membranes comprises a hollow fiber membrane, a spiral wound membrane or combination thereof. 7. The membrane oxygen humidifier of claim 1, and further comprising: a fan mounted to the enclosure; anda battery operably attached to the fan. 8. An oxygen delivery system comprising: an oxygen source comprising an inlet port, an outlet port and an enclosure;a membrane oxygen humidifier mounted with respect to the oxygen source, wherein the membrane oxygen humidifier comprises: an enclosure comprising: an inlet port that is operably connected to the oxygen source outlet port;an outlet port;a body portion that is capable of receiving the membrane unit, wherein the body portion comprises a mounting structure having a pair of arms extending therefrom and wherein each of the arms has a body portion tooth extending therefrom; anda cap portion that is mountable with respect to the body portion to define the enclosure; anda water vapor permeable membrane unit that extends between the enclosure inlet port and the enclosure outlet port, wherein the water vapor permeable membrane unit comprises: at least one water vapor permeable membrane comprises an outer surface and an inner region; anda pair of resilient arms extending therefrom, wherein proximate a distal end of each arm, a membrane unit tooth extends therefrom, wherein the arms deflect when the membrane unit is moved towards the body portion so that the body portion teeth engage the membrane unit teeth to form a snap-fit receptacle that removably attaches the membrane unit to the enclosure; anda humidification source that is capable of providing water vapor to the outer surface of the at least one water vapor permeable membrane;a patient interface; anda first tubing interconnecting the enclosure outlet port and the patient interface, wherein the oxygen delivery system is configured to deliver oxygen-containing gas to the patient interface having a humidity level that is higher than a humidity of oxygen-containing gas received at the oxygen source inlet port. 9. The oxygen delivery system of claim 8, wherein the oxygen source is an oxygen concentrator. 10. The oxygen delivery system of claim 8, wherein the at least one water vapor permeable membrane comprises a hollow fiber membrane, a spiral wound membrane or combination thereof. 11. The oxygen delivery system of claim 8, wherein the patient interface is a nasal cannula. 12. The oxygen delivery system of claim 8, wherein the membrane oxygen humidifier is mounted to an outer surface of the oxygen source enclosure. 13. A method of providing a source of breathable humidified oxygen gas, wherein the method comprises: providing a membrane oxygen humidifier comprising an enclosure having an inlet port and an outlet port, wherein the enclosure comprises a body portion and a cap portion, wherein the body portion comprises a mounting structure having a pair of arms extending therefrom, wherein each of the arms has a body portion tooth extending therefrom and wherein the cap portion is mountable with respect to the body portion to define the enclosure;mounting a membrane unit in the enclosure to extend between the inlet port and the outlet port, wherein the membrane unit comprises a water vapor permeable membrane and a pair of resilient arms, wherein the water vapor permeable membrane has an inner region and an outer surface, wherein oxygenated gas from the gas source is configured to pass through the inner region between the inlet port and the outlet port, wherein the pair of resilient arms extends from the membrane unit, wherein proximate a distal end of each arm, a membrane unit tooth extends therefrom;deflecting the arms when the membrane unit is moved towards the body portion so that the body portion teeth engage the membrane unit teeth to form a snap-fit receptacle that removably attaches the membrane unit to the enclosure;directing a first gas containing oxygen through the membrane unit;directing a second gas into the enclosure so that the second gas is in communication with the first gas through the membrane unit; andhumidifying the first gas by transferring water vapor through the membrane unit from the second gas to the first gas; andremoving the membrane unit from the enclosure. 14. The method of claim 13, wherein at least a portion of the enclosure is porous to water vapor from the humidification source. 15. The method of claim 13, and further comprising: delivering an oxygen-containing gas to an oxygen concentrator, wherein the oxygen-containing gas has a first moisture concentration; andpassing the oxygen-containing gas through an oxygen concentrator to increase an oxygen concentration of the oxygen-containing gas, wherein after humidifying, the first gas has a moisture content that is higher than the first moisture concentration.
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