AUTOMATED OXYGEN THERAPY DEVICE AND RELATED METHODS

20240157074

18/552415

March 18, 2022

A device for administering oxygen therapy to a patient comprises a gas intake valve; a primary flow path connecting the gas intake valve to a gas output connector, the primary flow path comprising a flow controller configured to adjust a first flow rate through the primary flow path, wherein the flow controller is in electronic communication with a processor and memory; at least one physiological sensor communicatively coupled to the processor performing a method comprising: receiving a target oxygen saturation level; receiving at least one measured physiological parameter from the at least one physiological sensor; analyzing the at least one measured physiological parameter to determine a predicted oxygen saturation level of a patient for a first time window; and adjusting the first flow rate with the flow controller to bring the predicted oxygen saturation level within a threshold value of the target oxygen saturation level.

1. A device for administering oxygen therapy to a patient, the device comprising: a gas intake valve; a primary flow path connecting the gas intake valve to a gas output connector, the primary flow path comprising a flow controller configured to adjust a first flow rate through the primary flow path, wherein the flow controller is in electronic communication with a processor and memory; at least one physiological sensor communicatively coupled to the processor; wherein the memory stores machine-readable instructions that, when executed by the processor, cause the processor to perform a method comprising: receiving a target oxygen saturation level; receiving at least one measured physiological parameter from the at least one physiological sensor; analyzing the at least one measured physiological parameter to determine a predicted oxygen saturation level of a patient for a first time window; and adjusting, based on the analyzing of the at least one physiological parameter, the first flow rate with the flow controller to bring the predicted oxygen saturation level within a threshold value of the target oxygen saturation level.

2. The device of claim 1, further comprising: a bypass flow path connecting the gas intake valve to the gas output connector, wherein the bypass flow path comprises a manual flow rate adjuster.

3. (canceled)

4. (canceled)

5. (canceled)

6. The device of claim 2, wherein the primary flow path and the bypass flow path comprise a shared flowmeter, and wherein the primary flow path and the bypass flow path merge upstream of the shared flowmeter.

7. The device of claim 2, wherein the device is configured to deliver gas through the primary flow path under a first operating condition and through the bypass flow path under a second operating condition, wherein the device is configured to change from the first operating condition to the second operating condition when a bypass criterion is detected or inputted.

8. The device of claim 7, further comprising a bypass switch, wherein the bypass criterion is selected from the group consisting of: a loss of device power, a system error, or a user selection of an emergency bypass switch.

9. The device of claim 7, wherein the device is configured to change from the second operating condition to the first operating condition by a user input.

10. (canceled)

11. The device of claim 1, wherein the threshold value is about 5% to about 0.5% of the target oxygen saturation level.

12. (canceled)

13. The device of claim 1, wherein the at least one physiological sensor is selected from the group consisting of: an SpO2 sensor, an EtCO2 sensor, an accelerometer, a pressure sensor, a microphone, a heart rate monitor, a back pressure monitor, an SpO2 waveform monitor, and an EKG.

14. The device of claim 1, wherein the at least one measured physiological parameter is selected from the group consisting of: an oxygen saturation level, a rate of change of an oxygen saturation level, an EtCO2 level, a rate of change of an EtCO2 level, a respiratory rate, a rate of change of a respiratory rate, a heart rate, a rate of change of a heart rate, a motion of the patient, an activity level of the patient an audio signal of a patient breathing, a cyclic back pressure, and a chest rise monitoring.

15. The device of claim 1, further comprising at least one internal sensor.

16. The device of claim 15, wherein the at least one internal sensor is a humidity sensor and a pressure sensor.

17. The device of claim 1, wherein the first time window is about 1 second to about 5 hours.

18. (canceled)

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24. (canceled)

25. The device of claim 1, wherein receiving the minimum oxygen saturation level further comprises receiving a user input of the minimum oxygen saturation level, and wherein receiving the target oxygen saturation level further comprises receiving a user input of the target oxygen saturation level.

26. (canceled)

27. The device of claim 1, wherein receiving the target oxygen saturation level further comprises: receiving one or more user inputs; and determining the target oxygen saturation level based on the one or more user inputs.

28. The device of claim 1, wherein the method performed by processor further comprises decreasing at least one of the target oxygen saturation level or first flow rate over a second time window down to an unassisted physiological level.

29. The device of claim 1, wherein the device further comprises an alarm, wherein the at least one measured physiological parameter comprises a measured oxygen saturation level, and wherein the method further comprises: comparing the measured oxygen saturation level to the minimum oxygen saturation level; and triggering the alarm when the measured oxygen saturation level is less than the minimum oxygen saturation.

30. The device of claim 1, wherein the device further comprises an alarm and wherein the method further comprises: measuring a first respiratory rate with at least one usage dependent sensor; measuring a second respiratory rate with at least one usage independent sensor; and comparing the first respiratory rate with the second respiratory rate; wherein when the first respiratory rate and second respiratory rate are not within a respiratory comparison threshold value, triggering at least one of an alarm or an instruction condition.

31. A device for administering oxygen therapy to a patient, the device comprising: a gas intake valve; a primary flow path connecting the gas intake valve to a gas output connector, the primary flow path comprising a flow controller configured to adjust a first flow rate through the primary flow path, wherein the flow controller is in electronic communication with a processor and memory; a bypass flow path connecting the gas intake valve to the gas output connector, wherein the bypass flow path comprises a manual flow rate adjuster; at least one flow meter in fluid communication with and downstream of the flow controller and the manual flow rate adjuster; at least one physiological sensor communicatively coupled to the processor; at least one alarm; wherein the processor and memory store machine-readable instructions that, when executed by the processor, cause the processor to perform a method comprising: receiving a target oxygen saturation level; receiving a minimum oxygen saturation level; receiving at least one measured physiological parameter from the at least one physiological sensor, wherein the at least one measured physiological parameter comprises a measured oxygen saturation level; analyzing the at least one measured physiological parameter to determine a predicted oxygen saturation level of a patient for a first time window; comparing the measured oxygen saturation level to the minimum oxygen saturation level and triggering the alarm when the measured oxygen saturation level is less than the minimum oxygen saturation; and adjusting, based on the analyzing of the at least one measured physiological parameter, the first flow rate with the flow controller to bring the predicted oxygen saturation level within a threshold value of the target oxygen saturation level; wherein the device is configured to deliver oxygen gas through the primary flow path under a first operating condition; wherein the device is configured to deliver oxygen gas through the bypass flow path under a second operating condition; and wherein the device is configured to change from the first operating condition to the second operating condition when an emergency criterion is detected or inputted.

32. A method for delivering oxygen therapy to a patient comprising: providing a device comprising: a gas intake valve; a primary flow path connecting the gas intake valve to a gas output connector, the primary flow path comprising a flow controller configured to adjust a first flow rate through the primary flow path; and at least one physiological sensor; receiving a target oxygen saturation level; receiving at least one measured physiological parameter from the at least one physiological sensor; analyzing the at least one measured physiological parameter to determine a predicted oxygen saturation level of a patient for a first time window; and adjusting the first flow rate with the flow controller to bring the predicted oxygen saturation level within a threshold value of the target oxygen saturation level.

33. (canceled)

34. (canceled)

35. (canceled)

36. (canceled)

37. (canceled)

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39. (canceled)

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48. (canceled)

49. (canceled)

50. The method of claim 32, wherein the device further comprises an alarm and wherein the method further comprises: measuring a first respiratory rate with at least one usage dependent sensor; measuring a second respiratory rate with at least one usage independent sensor; comparing the first respiratory rate with the second respiratory rate; and wherein when the first respiratory rate and second respiratory rate are not within a respiratory comparison threshold value, triggering at least one of an alarm or an instruction condition.

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edspap.20240157074