Methods, systems and devices for humidifying a respiratory tract
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-016/06
A62B-018/02
A62B-023/06
A62B-007/10
A61M-016/16
A61M-011/00
A61M-016/10
A61M-011/04
A61M-016/12
A61M-016/00
A61M-016/08
A61M-016/04
A61M-011/02
A61M-011/06
출원번호
US-0251070
(2011-09-30)
등록번호
US-8939152
(2015-01-27)
발명자
/ 주소
Wondka, Anthony D.
Cipollone, Joseph
Kassanis, George A.
Allum, Todd W.
Brambilla, Enrico
출원인 / 주소
Breathe Technologies, Inc.
대리인 / 주소
Stetina Brunda Garred & Brucker
인용정보
피인용 횟수 :
2인용 특허 :
643
초록▼
Systems and methods are provided for humidifying ventilation gas. Systems and methods may include a nasal interface apparatus for receiving ventilation gas from gas delivery tubing and for humidifying ventilation gas. The nasal interface apparatus may have one or more channels within the nasal inter
Systems and methods are provided for humidifying ventilation gas. Systems and methods may include a nasal interface apparatus for receiving ventilation gas from gas delivery tubing and for humidifying ventilation gas. The nasal interface apparatus may have one or more channels within the nasal interface to deliver gas from a gas delivery circuit to a patient's nose; one or more structures in fluid communication with the one or more channels to direct ventilation gas to the patient's nose; and a hygroscopic material within the nasal interface in the flow path of the ventilation gas.
대표청구항▼
1. A nasal interface apparatus for receiving ventilation gas from gas delivery tubing and for humidifying ventilation gas, the nasal interface apparatus comprising: one or more channels within the nasal interface apparatus to deliver gas from a gas delivery circuit to one or more structures, wherein
1. A nasal interface apparatus for receiving ventilation gas from gas delivery tubing and for humidifying ventilation gas, the nasal interface apparatus comprising: one or more channels within the nasal interface apparatus to deliver gas from a gas delivery circuit to one or more structures, wherein the one or more structures are in fluid communication with the one or more channels to direct ventilation gas to a patient's nose; anda hygroscopic material within the nasal interface apparatus extending across an entirety of a cross sectional area of a flow path of the ventilation gas and defined by one or more channel interface sides each facing a respective one of the one or more channels within the nasal interface, a patient interface side facing the one or more structures, and an exhalation side, the channel interface sides being angularly offset from the exhalation side and the patient interface side;wherein substantially all inhaled ventilation gas and all exhaled gas is diffused through the hygroscopic material. 2. The nasal interface apparatus of claim 1, wherein the one or more structures are one or more nasal pillows, and wherein the hygroscopic material is located within the one or more nasal pillows or within a cushion attached to the one or more nasal pillows. 3. The nasal interface apparatus of claim 1, further comprising at least one pressure sensor device. 4. The nasal interface apparatus of claim 3, wherein the at least one pressure sensor is located on a patient side of the hygroscopic material. 5. The nasal interface apparatus of claim 1, wherein the gas delivery circuit has an inside diameter of approximately 2-14 mm. 6. The nasal interface apparatus of claim 1, wherein the-nasal interface apparatus is used with a portable ventilation system. 7. The nasal interface apparatus of claim 1, wherein delivery of the humidified ventilation gas is servo controlled. 8. The nasal interface apparatus of claim 7, wherein the servo controls humidification levels based on the patient's need. 9. The nasal interface apparatus of claim 7, wherein the servo predictively controls humidification levels. 10. The nasal interface apparatus of claim 9, wherein the servo considers gas flow delivered to the patient, ambient temperatures, ambient humidity, and combinations thereof. 11. The nasal interface apparatus of claim 1, wherein the humidified ventilation gas is delivered in synchrony with the patient's breathing cycle. 12. The nasal interface apparatus of claim 11, wherein more humidified ventilation gas is delivered during the patient's inspiratory phase than during the patient's expiratory phase. 13. The nasal interface apparatus of claim 1, further comprising heated tubing. 14. The nasal interface apparatus of claim 13, wherein energy is applied to the heated tubing in synchrony with the patient's need and the patient's breathing cycle. 15. A method for delivering humidified ventilation gas, the method comprising: providing a nasal interface comprising: one or more channels within the nasal interface to deliver gas from a gas delivery circuit to one or more structures, wherein the one or more structures are in fluid communication with the one or more channels to direct ventilation gas to a patient's nose; anda hygroscopic material within the nasal interface apparatus extending across an entirety of a cross sectional area of a flow path of the ventilation gas and defined by one or more channel interface sides each facing a respective one of the one or more channels within the nasal interface, a patient interface side facing the one or more structures, and an exhalation side, the channel interface sides being angularly offset from the exhalation side and the patient interface side;wherein substantially all inhaled ventilation gas and all exhaled gas is diffused through the hygroscopic material; anddelivering humidified ventilation gas to the patient. 16. The method of claim 15, wherein the one or more structures are one or more nasal pillows, and wherein the hygroscopic material is located within the one or more nasal pillows or within a cushion attached to the one or more nasal pillows. 17. The method of claim 15, further comprising at least one pressure sensor, wherein the at least one pressure sensor is located on a patient side of the hygroscopic material. 18. The method of claim 15, wherein the gas delivery circuit has an inside diameter of approximately 2-14 mm. 19. The method of claim 15, further comprising controlling delivery of the humidified ventilation gas with a servo. 20. The method of claim 15, further comprising delivering the humidified ventilation gas in synchrony with the patient's breathing cycle.
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이 특허에 인용된 특허 (643)
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