High flow therapy device utilizing a non-sealing respiratory interface and related methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-016/16
A61M-016/10
A61M-016/06
A61J-011/00
A61M-016/12
A61M-016/04
A61M-016/08
A61M-016/14
A61M-016/20
A61M-016/00
A61M-016/18
출원번호
US-0717442
(2012-12-17)
등록번호
US-9427547
(2016-08-30)
발명자
/ 주소
Landis, Robert M.
Lewis, Charles A.
Collazo, Louis Javier
출원인 / 주소
Mergenet Medical, Inc.
대리인 / 주소
Underwood, Adam C.
인용정보
피인용 횟수 :
0인용 특허 :
4
초록▼
A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient includes a respiratory gas flow pathway for delivering the pressurized respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate
A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient includes a respiratory gas flow pathway for delivering the pressurized respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate of the pressurized respiratory gas is controlled by a microprocessor, a mixing area for mixing oxygen and air in the respiratory gas flow pathway, a humidification area for humidifying respiratory gas in the respiratory gas flow pathway, a heated delivery conduit for minimizing condensation of humidified respiratory gas, a pressure pathway for monitoring pressure of the airway of the patient and communicating the monitored pressure to the microprocessor and a sensor disposed in communication with the pressure pathway, the sensor further disposed in communication with the microprocessor and configured to measure pressure in the airway of the patient.
대표청구항▼
1. A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient, the system comprising: a respiratory gas flow pathway for delivering the pressurized respiratory gas to the airway of the patient by way of a non-sealing respiratory interface;
1. A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient, the system comprising: a respiratory gas flow pathway for delivering the pressurized respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate of the pressurized respiratory gas is controlled by a microprocessor;a mixing area for mixing oxygen and air in the respiratory gas flow pathway;a humidification area for humidifying respiratory gas in the respiratory gas flow pathway;a heated delivery conduit for minimizing condensation of humidified respiratory gas;a pressure pathway for monitoring pressure of the airway of the patient and communicating the monitored pressure to the microprocessor; and,a sensor disposed in communication with the pressure pathway, the sensor further disposed in communication with the microprocessor and configured to measure pressure in the airway of the patient, wherein the system is adapted to pass exhaled gas of the patient by one of through and about the non-sealing respiratory interface to ambient atmosphere without passing the exhaled gas through a remainder of the system. 2. The high flow therapy system of claim 1, wherein at least one of respiration rate, tidal volume and minute volume are calculated by the microprocessor using data from the sensor. 3. The high flow therapy system of claim 1, wherein the microprocessor is configured to control at least one of the temperature of the gas, the humidity of the gas, the amount of oxygen in the gas, the flow rate of the gas and the volume of the gas delivered to the patient. 4. The high flow therapy system of claim 1, wherein the sensor is configured to measure inspiration pressure and expiration pressure of the patient. 5. The high flow therapy system of claim 1, wherein the microprocessor is configured to adjust flow rates based on at least one of a pre-programmed algorithm and a setting inputted by an operator. 6. The high flow therapy system of claim 1, further including an alarm in communication with the microprocessor for signaling when patient airway conditions deviate from pre-determined criteria. 7. The high flow therapy system of claim 1, wherein the pressure pathway is at least partially enclosed within the respiratory gas flow pathway. 8. The high flow therapy system of claim 1, wherein the pressure pathway and the respiratory gas flow pathway are at least partially provided by a dual lumen conduit. 9. A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient, the system comprising: a respiratory gas flow pathway for delivering the pressurized respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate of the pressurized respiratory gas is controlled by a microprocessor;a mixing area for mixing oxygen and air in the respiratory gas flow pathway;a humidification area for humidifying respiratory gas in the respiratory gas flow pathway;a heated delivery conduit for minimizing condensation of humidified respiratory gas; and,a pressure pathway for monitoring pressure of the airway of the patient and communicating the monitored pressure to the microprocessor;wherein the system is configured to determine the respiratory phase of the patient and,wherein the system is adapted to pass exhaled gas of the patient by one of through and about the non-sealing respiratory interface to ambient atmosphere without passing the exhaled gas through a remainder of the system. 10. The high flow therapy system of claim 9, wherein the system is configured to control the flow rate of the respiratory gas delivered to the patient based on the respiratory phase of the patient during use. 11. The high flow therapy system of claim 9, wherein the system is configured to deliver the respiratory gas to the patient at different pressures based on the respiratory phase of the patient during use. 12. The high flow therapy system of claim 9, further including an alarm in communication with the microprocessor for signaling when patient airway conditions deviate from pre-determined criteria. 13. The high flow therapy system of claim 9, further including a sensor disposed in communication with the pressure pathway, the sensor further disposed in communication with the microprocessor and configured to measure pressure in the airway of the patient. 14. The high flow therapy system of claim 13, wherein at least one of respiration rate, tidal volume and minute volume are calculated by the microprocessor using data from the airway pressure sensor. 15. A high flow therapy system for delivering pressurized, heated and humidified respiratory gas to an airway of a patient, the system comprising: a respiratory gas flow pathway for delivering the pressurized respiratory gas to the airway of the patient by way of a non-sealing respiratory interface; wherein flow rate of the pressurized respiratory gas is controlled by a microprocessor located within a housing;a mixing area located within the housing for mixing oxygen and air in the respiratory gas flow pathway;a humidification area located outside of the housing for humidifying respiratory gas in the respiratory gas flow pathway;a heating element coupled with the humidification area; anda heated delivery conduit for minimizing condensation of humidified respiratory gas, wherein the system is adapted to pass exhaled gas of the patient by one of through and about the non-sealing respiratory interface to ambient atmosphere without passing the exhaled gas through a remainder of the system. 16. The high flow therapy system of claim 15, further comprising a pressure pathway for monitoring pressure of the airway of the patient and communicating the monitored pressure to the microprocessor. 17. The high flow therapy system of claim 15, wherein the microprocessor is configured to control at least one of the temperature of the gas, the humidity of the gas, the amount of oxygen in the gas, the flow rate of the gas and the volume of the gas delivered to the patient. 18. The high flow therapy system of claim 15, further comprising a blower disposed in mechanical cooperation with the non-sealing respiratory interface and capable of advancing the gas at least partially through the non-sealing respiratory interface. 19. The high flow therapy system of claim 15, further including a gas analyzer disposed in communication with the microprocessor. 20. The high flow therapy system of claim 15, further comprising a user interface. 21. The high flow therapy system of claim 15, wherein a display of the user interface at least displays data as a graph. 22. The high flow therapy system of claim 15, wherein a display of the user interface displays pressure data. 23. The high flow therapy system of claim 15, wherein a display of the user interface is positioned at an angle relative to the housing.
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이 특허에 인용된 특허 (4)
Lewis, Charles A.; Landis, Robert M., High flow therapy device utilizing a non-sealing respiratory interface and related methods.
Anderson Ralph (Carlsbad CA) Yehushua Nurit (San Diego CA) Smargiassi Paul (San Diego CA) Thompson Paul (Santee CA) Moore Fred (Newbury Park CA), Human lung ventilator system.
Elsworth Adrian J. (Auckland NZX) Daniell Michael G. (Auckland NZX) Zwaan Paul (Auckland NZX) Stewart David P. M. (Auckland NZX), Methods of and/or apparatus for humidifying gases.
Tiep Brian L. (632 Norumbega Dr. Monrovia CA 91016) Phillips Robert E. (12217 Iredell St. Studio City CA 91601) Otsap Ben A. (7661 Airport Blvd. Los Angeles CA 90045), Oxygen delivery apparatus.
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