Apparatus and method for respiratory tract therapy
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-016/00
A61M-015/00
출원번호
US-0149356
(2000-12-08)
등록번호
US-7314046
(2008-01-01)
국제출원번호
PCT/US00/033346
(2000-12-08)
§371/§102 date
20030129
(20030129)
국제공개번호
WO01/041854
(2001-06-14)
발명자
/ 주소
Schroeder,Gary
Broeck,Dirk Ten
Bamford,Owen S.
Niland,William F.
Cortez, Jr.,Felino V.
출원인 / 주소
Vapotherm, Inc.
대리인 / 주소
RatnerPrestia
인용정보
피인용 횟수 :
30인용 특허 :
56
초록▼
An apparatus is provided for delivering heated and humidified air to the respiratory tract of a human patient for respiratory tract therapy and treatment. The apparatus includes a supply unit (11) and a delivery tube (28) that can be releasably connected to the supply unit (11). Methods of respirat
An apparatus is provided for delivering heated and humidified air to the respiratory tract of a human patient for respiratory tract therapy and treatment. The apparatus includes a supply unit (11) and a delivery tube (28) that can be releasably connected to the supply unit (11). Methods of respiratory tract therapy and treatment are also provided.
대표청구항▼
What is claimed is: 1. A tubing assembly for delivering gas to a patient from a supply unit having a port defining a gas outlet, a fluid outlet, and a fluid inlet, said tubing assembly comprising: a tube having a gas passage to deliver gas toward a patient and a fluid passage to circulate fluid and
What is claimed is: 1. A tubing assembly for delivering gas to a patient from a supply unit having a port defining a gas outlet, a fluid outlet, and a fluid inlet, said tubing assembly comprising: a tube having a gas passage to deliver gas toward a patient and a fluid passage to circulate fluid and transfer heat to gas in the gas passage; a fitting connected to said tube, said fitting having a gas inlet oriented to provide gas flow between the gas outlet of the supply unit and said gas passage of said tube, said fitting further comprising a fluid inlet oriented to provide fluid flow between the fluid outlet of the supply unit and said fluid passage of said tube, and said fitting further comprising a fluid outlet oriented to provide fluid flow between said fluid passage of said tube and the fluid inlet of the supply unit; said fitting of said tubing assembly being configured to provide flow communication between the gas outlet, the fluid outlet, and the fluid inlet of the supply unit and said gas passage and said fluid passage of said tube upon insertion of said fitting of said tubing assembly into the port of the supply unit; said fluid passage of said tube comprising a fluid supply passage extending from a proximal end to a distal end of said tube and a fluid return passage extending from said distal end to said proximal end of said tube, said fluid passage being configured to circulate fluid from said proximal end to said distal end of said tube through said fluid supply passage and from said distal end to said proximal end of said tube through said fluid return passage; said tubing assembly defining a passage for fluid flow between said fluid supply passage and said fluid return passage adjacent said distal end of said tube. 2. The tubing assembly defined in claim 1, said fitting of said tubing assembly being coupled to a proximal end of said tube. 3. The tubing assembly defined in claim 2, said tubing assembly further comprising a supply fitting coupled to a distal end of said tube. 4. The tubing assembly defined in claim 1, said gas passage of said tube of said tubing assembly extending from a proximal end to a distal end of said tube. 5. The tubing assembly defined in claim 1, said gas inlet of said fitting of said tubing assembly extending axially for flow communication with the gas outlet of the supply unit. 6. The tubing assembly defined in claim 1, said fluid outlet of said fitting of said tubing assembly being configured for longitudinal alignment with the fluid inlet of the supply unit. 7. The tubing assembly defined in claim 1, said fluid inlet of said fitting of said tubing assembly extending radially for flow communication with the fluid outlet of the supply unit. 8. The tubing assembly defined in claim 1, said fluid outlet of said fitting of said tubing assembly extending radially for flow communication with the fluid inlet of the supply unit. 9. The tubing assembly defined in claim 1, said fluid inlet and said fluid outlet of said fitting of said tubing assembly extending along a common axis oriented at an angle to the longitudinal axis of said tube. 10. A tubing assembly for delivering gas to a patient from a supply unit having a port defining a gas outlet, a fluid outlet, and a fluid inlet, said tubing assembly comprising: a tube having a gas passage to deliver gas toward a patient and a fluid passage to circulate fluid and transfer heat to gas in the gas passage; a fitting connected to said tube, said fitting having a gas inlet oriented to provide gas flow between the gas outlet of the supply unit and said gas passage of said tube, said fitting further comprising a fluid inlet oriented to provide fluid flow between the fluid outlet of the supply unit and said fluid passage of said tube, and said fitting further comprising a fluid outlet oriented to provide fluid flow between said fluid passage of said tube and the fluid inlet of the supply unit; said fitting of said tubing assembly being configured to provide flow communication between the gas outlet, the fluid outlet, and the fluid inlet of the supply unit and said gas passage and said fluid passage of said tube upon insertion of said fitting of said tubing assembly into the port of the supply unit, said fluid passage of said tube comprising a fluid supply passage extending from a proximal end to a distal end of said tube and a fluid return passage extending from said distal end to said proximal end of said tube, said fluid passage being configured to circulate fluid from said proximal end to said distal end of said tube through said fluid supply passage and from said distal end to said proximal end of said tube through said fluid return passage, said fluid inlet of said fitting of said tubing assembly being positioned for flow communication with said fluid supply passage of said tube adjacent said proximal end of said tube. 11. The tubing assembly defined in claim 10, said fluid outlet of said fitting of said tubing assembly being positioned for flow communication with said fluid return passage of said tube adjacent said proximal end of said tube. 12. A tubing assembly for delivering gas to a patient from a supply unit having a port defining a gas outlet, a fluid outlet, and a fluid inlet, said tubing assembly comprising: a tube having a gas passage to deliver gas toward a patient and a fluid passage to circulate fluid and transfer heat to gas in the gas passage; a fitting connected to said tube, said fitting having a gas inlet oriented to provide gas flow between the gas outlet of the supply unit and said gas passage of said tube, said fitting further comprising a fluid inlet oriented to provide fluid flow between the fluid outlet of the supply unit and said fluid passage of said tube, and said fitting further comprising a fluid outlet oriented to provide fluid flow between said fluid passage of said tube and the fluid inlet of the supply unit; said fitting of said tubing assembly being configured to provide flow communication between the gas outlet, the fluid outlet, and the fluid inlet of the supply unit and said gas passage and said fluid passage of said tube upon insertion of said fitting of said tubing assembly into the port of the supply unit, said fluid inlet of said fitting of said tubing assembly being configured for longitudinal alignment with the fluid outlet of the supply unit. 13. In combination: a supply unit configured to supply gas for delivery to a patient and to supply fluid for heating the gas, said supply unit comprising a port defining a gas outlet, a fluid outlet, and a fluid inlet; and a tubing assembly for delivering gas to a patient, said tubing assembly comprising: a tube having a gas passage to deliver gas toward a patient and a fluid passage to circulate fluid and transfer heat to gas in the gas passage; a fitting connected to said tube, said fitting having a gas inlet oriented to provide gas flow between the gas outlet of the supply unit and said gas passage of said tube, said fitting further comprising a fluid inlet oriented to provide fluid flow between the fluid outlet of the supply unit and said fluid passage of said tube, and said fitting further comprising a fluid outlet oriented to provide fluid flow between said fluid passage of said tube and the fluid inlet of the supply unit; said fitting of said tubing assembly being configured to provide flow communication between the gas outlet, the fluid outlet, and the fluid inlet of the supply unit and said gas passage and said fluid passage of said tube upon insertion of said fitting of said tubing assembly into the port of the supply unit; said fitting of said tubing assembly being releasably engaged in said port of said supply unit; said gas outlet of said supply unit being in flow communication with said gas inlet of said fitting of said tubing assembly; said fluid outlet of said supply unit being in flow communication with said fluid inlet of said fitting of said tubing assembly; and said fluid inlet of said supply unit being in flow communication with said fluid outlet of said fitting of said tubing assembly. 14. The combination defined in claim 13, said fluid passage of said tube comprising a fluid supply passage extending from a proximal end to a distal end of said tube and a fluid return passage extending from said distal end to said proximal end of said tube, said fluid passage being configured to circulate fluid from said proximal end to said distal end of said tube through said fluid supply passage and from said distal end to said proximal end of said tube through said fluid return passage. 15. The combination defined in claim 13, said supply unit being configured to humidify gas and to deliver humidified gas to said gas outlet of said supply unit. 16. The combination defined in claim 13, said supply unit being configured to heat fluid and to circulate heated fluid from said fluid inlet of said supply unit to said fluid outlet of said supply unit. 17. The combination defined in claim 13, said tube having a longitudinal axis, said gas inlet of said fitting of said tubing assembly and said gas outlet of said supply unit extending along the longitudinal axis of said tube of said tubing assembly. 18. The combination defined in claim 13, said fluid inlet and said fluid outlet of said fitting of said tubing assembly extending radially outwardly. 19. The combination defined in claim 18, said fitting of said tubing assembly comprising a flange configured to engage a surface of said port for rotation of said fitting into locking engagement with said port, said fluid inlet and said fluid outlet of said fitting of said tubing assembly being in flow communication with said fluid outlet and said fluid inlet of said port, respectively, upon said rotation of said fitting into locking engagement with said port. 20. The combination defined in claim 13, said port of said supply unit comprising valves to close said fluid inlet and said fluid outlet upon removal of said fitting of said tubing assembly from said port. 21. The combination defined in claim 20, said valves of said port being configured to be opened upon insertion of said fitting of said tubing assembly into said port, thereby permitting flow communication between said fluid inlet and said fluid outlet of said port and said fluid passage of said tubing assembly. 22. The combination defined in claim 13, said supply unit further comprising a sensor mounted to detect the presence of liquid in gas delivered to said gas outlet. 23. The combination defined in claim 22, said sensor being configured to sense the intensity of a light beam generated through the gas, wherein the presence of liquid in the gas decreases the intensity of said light beam. 24. The combination defined in claim 22, said supply unit being configured to prevent the delivery of gas to said gas outlet when the presence of liquid is detected in the gas.
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