Pressure support system with automatic comfort feature modification
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-016/00
A62B-007/00
F16K-031/02
출원번호
US-0028296
(2008-02-08)
등록번호
US-8789527
(2014-07-29)
발명자
/ 주소
Carter, Duane H.
Dixon, Tim
Jonczak, Daniel A.
Paul, Zachary
Shelly, Benjamin I.
Matthews, Greg
Hill, Peter D.
DeGuilio, Andrew
출원인 / 주소
RIC Investments, LLC
대리인 / 주소
Haas, Michael W.
인용정보
피인용 횟수 :
0인용 특허 :
32
초록▼
A pressure support system that delivers a flow of gas to a patient's airway via a pressure generating system and a patient circuit. A controller receives a treatment set point from an input source and determines an adjusted treatment set point based on the treatment set point and a comfort feature f
A pressure support system that delivers a flow of gas to a patient's airway via a pressure generating system and a patient circuit. A controller receives a treatment set point from an input source and determines an adjusted treatment set point based on the treatment set point and a comfort feature function, which in one embodiment, is not based on a physiological condition of such a patient. In another embodiment, the controller provides a respiratory treatment therapy during a therapy session based on the treatment set point and the comfort feature, which is modified automatically during a therapy session without user intervention based on a comparison of the treatment set point to a treatment set point variable. The controller controls the operation of the pressure generating system based on the adjusted treatment set point or the combination of the treatment set point and the comfort feature.
대표청구항▼
1. A pressure support system comprising: a pressure generating system adapted to generate a pressurized flow of gas;a patient circuit coupled to the pressure generating system and adapted to communicate the flow of gas to an airway of a patient; anda controller operatively coupled to the pressure ge
1. A pressure support system comprising: a pressure generating system adapted to generate a pressurized flow of gas;a patient circuit coupled to the pressure generating system and adapted to communicate the flow of gas to an airway of a patient; anda controller operatively coupled to the pressure generating system, wherein the controller is configured to: receive a treatment set point from an input source in accordance with a therapy mode, wherein the therapy mode spans at least one or more respiratory cycles;determine an adjusted treatment set point based on the treatment set point and a comfort feature function, wherein activation of the comfort feature function results in the adjusted treatment set point being implemented in place of the received treatment set point, wherein activation of the comfort feature function is based on one or more of time spent in the therapy mode, and/or time elapsed since activation of the pressure support system; andcontrol operation of the pressure generating system based on the adjusted treatment set point for at least one complete respiratory cycle responsive to the comfort feature function being activated. 2. The system of claim 1, wherein the controller determines the adjusted treatment set point a plurality of times during the at least one complete respiratory cycle or a previous respiratory cycle. 3. The system of claim 1, wherein the treatment set point corresponds to a CPAP level, an IPAP level, an EPAP level, a pressure support level, a peak pressure, a peak volume, a peak flow, a PEEP level, an average pressure, an average volume, an average flow, an inspiration duration, or an expiration duration. 4. The system of claim 1, wherein the treatment set point (a) is set manually and does not change during a therapy session, or (b) is determined by an auto-adjusting algorithm. 5. The system of claim 1, wherein activation of the comfort feature function based on time spent in the therapy mode is based on one or more hours of time spent in the therapy mode. 6. The system of claim 1, wherein activation of the comfort feature function is performed gradually over a course of one or more months of respiratory therapy. 7. The system of claim 1, wherein adjustments to the received treatment set point to determine the adjusted treatment set point include an adjustment in one or more of: pressure, peak pressure, flow, peak flow, volume, peak volume, and/or rise rate from the received treatment set point. 8. The system of claim 1, wherein activation of the comfort feature function is further based on a predetermined period that has elapsed since a previous activation of the comfort feature function such that subsequent activations of the comfort feature function are at least the predetermined period apart, wherein the predetermined period is at least one or more hours. 9. The system of claim 1, wherein the therapy mode corresponds to a bi-level pressure support, wherein the controller receives a plurality of treatment set points from one or more input sources, and wherein the controller determines one or more adjusted treatment set points based on one or more comfort feature functions, wherein individual activations of the one or more comfort feature functions correspond to individual ones of the one or more adjusted treatment set points being different from individual ones of the received plurality of treatment set points, wherein activations of the comfort feature functions are based on one or more of time spent in a certain therapy mode, and/or time elapsed since activation of the pressure support system, and wherein the controller controls the operation of the pressure generating system based on the one or more adjusted treatment set points. 10. A pressure support system comprising: a pressure generating system adapted to generate a pressurized flow of gas;a patient circuit coupled to the pressure generating system and adapted to communicate the flow of gas to an airway of a patient; anda controller operatively coupled to the pressure generating system, wherein the controller is configured to: receive a treatment set point from an input source in accordance with a therapy mode, wherein the therapy mode spans at least one or more respiratory cycles;provide the therapy mode during a therapy session based on the received treatment set point and a comfort feature, wherein the comfort feature is added, deleted, or changed automatically during a therapy session without user intervention, wherein activation of the comfort feature results in a reduction of a pressure of the pressurized flow of gas being implemented in place of the received treatment set point in at least one phase of respiration, wherein activation of the comfort feature is based on one or more of time spent in the therapy mode, and/or time elapsed since activation of the pressure support system; andcontrol the operation of the pressure generating system for at least one complete respiratory cycle responsive to the comfort feature being activated. 11. The system of claim 10, wherein the controller adds, deletes, or changes the comfort feature a plurality of times during the at least one complete respiratory cycle or a previous respiratory cycle. 12. The system of claim 10, wherein the treatment set point corresponds to a CPAP level, an IPAP level, an EPAP level, a pressure support level, a peak pressure, a peak volume, a peak flow, a PEEP level, an average pressure, an average volume, an average flow, an inspiration duration, or an expiration duration. 13. The system of claim 10, wherein the treatment set point is (a) set manually and does not change during a therapy session, or (b) determined by an auto-adjusting algorithm. 14. The system of claim 10, wherein activation of the comfort feature based on time spent in the therapy mode is based on one or more hours of time spent in the therapy mode. 15. The system of claim 10, wherein the comfort feature further includes a change in one or more of: flow, volume and/or rise rate. 16. The system of claim 10, wherein activation of the comfort feature is further based on one or more of patient circuit type, patient interface type, humidifier type, and/or filter type associated with the pressure support system. 17. The system of claim 10, wherein activation of the comfort feature is further based on one or more of ambient humidity and/or altitude associated with the pressure support system. 18. The system of claim 10, wherein activation of the comfort feature is performed gradually over a course of one or more months of respiratory therapy using the pressure support system. 19. A pressure support system comprising: a pressure generating system adapted to generate a pressurized flow of gas;a patient circuit coupled to the pressure generating system and adapted to communicate the flow of gas to an airway of a patient; anda controller operatively coupled to the pressure generating system, wherein the controller is configured to: receive a treatment set point from an input source in accordance with a therapy mode, wherein the therapy mode spans at least one or more respiratory cycles;provide the therapy mode during a therapy session based on the received treatment set point and a comfort feature, wherein the comfort feature is added, deleted, or changed automatically during a therapy session without user intervention based on a comfort feature function, wherein activation of the comfort feature function results in a reduction of a pressure of the pressurized flow of gas being implemented in place of the received treatment set point in at least one phase of respiration, wherein activation of the comfort feature function is based on one or more of patient circuit type, patient interface type, and/or filter type associated with the pressure support system; andcontrol the operation of the pressure generating system for at least one complete respiratory cycle responsive to the comfort feature function being activated. 20. The system of claim 19, wherein the controller adds, deletes, or changes the comfort feature a plurality of times during the at least one complete respiratory cycle or a previous respiratory cycle. 21. The system of claim 19, wherein the treatment set point corresponds to CPAP level, an IPAP level, an EPAP level, a pressure support level, a peak pressure, a peak volume, a peak flow, a PEEP level, an average pressure, an average volume, an average flow, an inspiration duration, or an expiration duration. 22. The system of claim 19, wherein the treatment set point (a) is set manually and does not change during a therapy session, or (b) is determined by an auto-adjusting algorithm. 23. The system of claim 19, wherein activation of the comfort feature function is further based on one or more of ambient humidity and/or altitude associated with the pressure support system. 24. The system of claim 19, wherein activation of the comfort feature function is further based on a predetermined period of time spent in the therapy mode, wherein the predetermined period is at least one or more hours. 25. The system of claim 19, wherein the comfort feature further corresponds to a change in one or more of: volume, peak volume, peak pressure, flow, peak flow, or rise rate. 26. The system of claim 19, wherein the therapy mode corresponds to a bi-level pressure support, wherein the controller is configured to receive a plurality of treatment set points from one or more input sources, wherein the controller is configured to provide the therapy mode based on the received plurality of treatment set points and one or more comfort feature functions, wherein individual ones of the one or more comfort feature functions correspond to providing a reduced pressure of the pressurized flow of gas in at least one phase of respiration. 27. The system of claim 19, wherein activation of the comfort feature is performed gradually over a course of one or more months of respiratory therapy using the pressure support system. 28. A pressure support system comprising: a pressure generating system adapted to generate a pressurized flow of gas;a patient circuit coupled to the pressure generating system and adapted to communicate the flow of gas to an airway of a patient; anda controller operatively coupled to the pressure generating system, wherein the controller is configured to: receive a treatment set point from an input source in accordance with a therapy mode, wherein the therapy mode spans at least one or more respiratory cycles;provide the therapy mode during a therapy session based on the treatment set point and an expiratory pressure relief, wherein the expiratory pressure relief is added, deleted, or changed automatically during a therapy session without user intervention, wherein activation of the expiratory pressure relief results in a reduction of a pressure of the pressurized flow of gas being implemented in place of the received treatment set point in at least one phase of respiration, wherein activation of the expiratory pressure relief is based on one or more of ambient humidity and/or altitude associated with the pressure support system; andcontrol the operation of the pressure generating system for at least one complete respiratory cycle responsive to the expiratory pressure relief being activated. 29. The system of claim 28, wherein the controller adds, deletes, or changes the expiratory pressure relief a plurality of times during the at least one complete respiratory cycle or a previous respiratory cycle. 30. The system of claim 28, wherein the treatment set point corresponds to a CPAP level, an IPAP level, an EPAP level, a pressure support level, a peak pressure, a peak volume, a peak flow, a PEEP level, an average pressure, an average volume, an average flow, an inspiration duration, or an expiration duration. 31. The system of claim 28, wherein the treatment set point (a) is set manually and does not change during a therapy session, or (b) is determined by an auto-adjusting algorithm. 32. The system of claim 28, wherein activation of the expiratory pressure relief is further based on a predetermined period of time spent in the therapy mode, wherein the predetermined period is at least one or more hours. 33. The system of claim 28, wherein the expiratory pressure relief corresponds to a change in one or more of a flow rate, a pressure, or both of the flow of gas. 34. The system of claim 28, wherein activation of the expiratory pressure relief is further based on a humidifier type associated with the pressure support system.
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