Apparatuses and Methods for Diagnosing and Treating Respiratory Conditions

• US 20090151718A1
• Filed: 02/26/2008
• Published: 06/18/2009
• Est. Priority Date: 12/13/2007
• Status: Abandoned Application

• Current Assignee: Next Safety, Inc.
• Original Assignee: Next Safety, Inc.
• Inventors: Hunter, C. Eric, Duvall, Lyndell, Stern, Tom, Weaver, Philip
• Application Number:
  US12/037,540
• Publication Number:
  US 20090151718A1
• Time in Patent Office: Days
• US Class Current: 128/203.120
• CPC Class Codes: A61B 5/083 Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
• CPC Class Codes: A61B 5/087 Measuring breath flow
• CPC Class Codes: A61M 11/02 operated by air or other gas pressure applied to the liquid or other product to be sprayed or atomised sprayers for horticulture A01G, A01H; killing insects A01M; air humidifying by nozzles F24F6/14, F24F6/18; cooling by spraying F28B, F28C
• CPC Class Codes: A61M 11/041 using heaters
• CPC Class Codes: A61M 15/0003 with means for dispensing more than one drug
• CPC Class Codes: A61M 15/02 with activated or ionised fluids, e.g. electrohydrodynamic [EHD] or electrostatic devices; Ozone-inhalators with radioactive tagged particles
• CPC Class Codes: A61M 15/025 Bubble jet droplet ejection devices
• CPC Class Codes: A61M 16/0051 with alarm devices
• CPC Class Codes: A61M 16/0066 Blowers or centrifugal pumps
• CPC Class Codes: A61M 16/024 including calculation means, e.g. using a processor
• CPC Class Codes: A61M 16/107 in the inspiratory path
• CPC Class Codes: A61M 16/161 with means for measuring the humidity
• CPC Class Codes: A61M 16/209 Relief valves
• CPC Class Codes: A61M 2016/0021 with a proportional output signal, e.g. from a thermistor
• CPC Class Codes: A61M 2016/0027 pressure meter
• CPC Class Codes: A61M 2016/0036 in the breathing tube and used in both inspiratory and expiratory phase
• CPC Class Codes: A61M 2202/064 Powder
• CPC Class Codes: A61M 2205/3368 Temperature
• CPC Class Codes: A61M 2205/3553 remote, e.g. between patient's home and doctor's office
• CPC Class Codes: A61M 2205/3561 local, e.g. within room or hospital
• CPC Class Codes: A61M 2205/3584 : using modem, internet or bluetooth
• CPC Class Codes: A61M 2205/3592 : using telemetric means, e.g. radio or optical transmission
• CPC Class Codes: A61M 2205/505 : Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
• CPC Class Codes: A61M 2205/52 : with memories providing a history of measured variating parameters of apparatus or patient
• CPC Class Codes: A61M 2205/8206 : battery-operated
• CPC Class Codes: A61M 2205/8237 : Charging means
• CPC Class Codes: A61M 2230/432 : partial CO2 pressure (P-CO2)
• CPC Class Codes: A61M 2230/435 : partial O2 pressure (P-O2)

Abstract

In one embodiment, a respiratory condition device includes a tube that defines a flow path for medicine that is to be delivered to a user respiratory system, a pressure sensor configured to detect pressure changes within the tube, and a medicine delivery device configured to eject medicine into the tube when a pressure drop is detected by the pressure sensor.

Claims

1. A respiratory condition device comprising:

a tube that defines a flow path for medicine that is to be delivered to a user respiratory system;

a pressure sensor configured to detect pressure changes within the tube; and

a medicine delivery device configured to eject medicine into the tube when a pressure drop is detected by the pressure sensor.

2. The respiratory condition device of claim 1, further comprising a mouthpiece in fluid communication with the tube.

3. The respiratory condition device of claim 1, wherein the pressure sensor comprises a silicon-based pressure sensor.

4. The respiratory condition device of claim 1, wherein the medicine delivery device comprises a droplet ejection device.

5. The respiratory condition device of claim 1, further comprising a medicine container that holds medicine to be delivered by the medicine delivery device.

6. The respiratory condition device of claim 1, further comprising an internal power source that provides power to the pressure sensor and the medicine delivery device.

7. The respiratory condition device of claim 1, further comprising an internal fan that generates airflow within the tube.

8. The respiratory condition device of claim 1, wherein the pressure sensor is further configured to detect a pressure increase indicative of the user exhaling into the tube and to measure a rate of flow of the user exhalation.

9. The respiratory condition device of claim 8, further comprising a controller configured to diagnose respiratory conditions from information collected by the pressure sensor.

10. The respiratory condition device of claim 9, wherein the respiratory conditions include a current or imminent asthma attack.

11. The respiratory condition device of claim 9, wherein the controller is further configured to control the medicine delivery device to eject medicine when a respiratory condition is diagnosed.

12. The respiratory condition device of claim 1, further comprising a data cable connector with which the respiratory condition device can communicate with a separate device.

13. The respiratory condition device of claim 1, further comprising a wireless transceiver with which the respiratory condition device can communicate with a separate device.

14. The respiratory condition device of claim 1, further comprising a user interface including a display and an input button.

15. A method for diagnosing a respiratory condition, the method comprising:

measuring pressures within a tube of a portable diagnosis device into which a user exhales;

estimating flow rates from the measured pressures;

determining the state of the user'"'"'s respiratory system based on the flow rates; and

diagnosing a respiratory condition based upon the determined state.

16. The method of claim 15, wherein measuring pressures comprises measuring pressures within the tube of an independent handheld device.

17. The method of claim 15, wherein measuring pressures comprises measuring differential pressures with a silicon-based pressure sensor provided within the portable diagnosis device.

18. The method of claim 15, wherein estimating flow rates comprises estimating the flow rates using Ohm'"'"'s law as adapted for fluid flow.

19. The method of claim 15, wherein determining the state comprises calculating a ratio between the user'"'"'s forced expiratory volume in one second and the user'"'"'s vital capacity.

20. The method of claim 15, wherein diagnosing a respiratory condition comprises determining that the user is having or is about to have an asthma attack if the ratio is below 75%.

21. The method of claim 20, further comprising providing an indication of the asthma attack to the user.

22. The method of claim 15, wherein the estimating, determining, and diagnosing are all performed by the portable diagnosis device and further comprising the portable diagnosis device transmitting an alert to a separate device.

23. The method of claim 15, wherein the estimating is performed by the portable diagnosis device and the determining and diagnosing are performed by a separate device to which the flow rates are transmitted from the portable diagnosis device.

25. The method of claim 15, wherein determining a dosage comprises determining a dosage based upon a ratio between the user'"'"'s forced expiratory volume in one second and the user'"'"'s vital capacity.

26. The method of claim 15, wherein determining a dosage comprises receiving with the treatment device a dosage transmitted to the treatment device by a remote physician.

24. A method for treating a respiratory condition, the method comprising:

a treatment device determining a dosage of medication to administer to a user;

the treatment device detecting inhalation of the user from a medicine delivery tube of the treatment device;

the treatment device controlling a medicine delivery device of the treatment device to output medicine into the delivery tube; and

the treatment device operating a fan of the treatment device to generate an air flow within the delivery tube to carry medicine output by the medicine delivery device to the user.

27. A method for diagnosing and treating a respiratory condition, the method comprising:

measuring pressures within a tube of a diagnosis/treatment device into which a user exhales;

estimating on the diagnosis/treatment device flow rates from the measured pressures;

determining on the diagnosis/treatment device the state of the user'"'"'s respiratory system based on the flow rates;

diagnosing on the diagnosis/treatment device a respiratory condition based upon the determined state;

determining on the diagnosis/treatment device a dosage of medication to administer to a user;

detecting with the diagnosis/treatment device inhalation of the user from the tube of the diagnosis/treatment device;

controlling a medicine delivery device of the diagnosis/treatment device to output medicine into the delivery tube; and

operating a fan of the diagnosis/treatment device to generate an air flow within the delivery tube to carry medicine output by the medicine delivery device to the user.

28. A system for alerting as to a respiratory condition, the system comprising:

a diagnosis device configured to measure pressures within a tube of the diagnosis device into which a user exhales, to estimate flow rates from the measured pressures, to determine the state of the user'"'"'s respiratory system based on the flow rates, and, if it is determined that the user is experiencing or about to experience a respiratory condition, to transmit notification to a separate device; and

a separate device in communication with the diagnosis device configured to receive notifications from the diagnosis device concerning determined respiratory conditions and transmit related alerts to remote devices via a network.

29. The system of claim 28, wherein the diagnosis device is further configured to administer medication to the respiratory system of user.

30. The system of claim 28, wherein the separate device comprises a mobile telephone.

31. The system of claim 28, wherein the separate device comprises a computer.

32. The system of claim 28, wherein the diagnosis device and the separate device communicate with each other via a data cable.

33. The method of claim 28, wherein the diagnosis device and the separate device wirelessly communicate with each other.

34. The method of claim 28, wherein the separate device is configured to transmit an alert as a telephone message, a text message, or an email message.

35. A method for alerting as to a respiratory condition, the method comprising:

measuring pressures within a tube of a diagnosis device into which a user exhales;

estimating flow rates from the measured pressures;

determining the state of the user'"'"'s respiratory system based on the flow rates; and

if the user is determined to have a respiratory condition, transmitting an alert to a remote device using a separate device in electrical communication with the diagnosis device.

36. The method of claim 35, wherein the separate device comprises a mobile telephone.

37. The method of claim 35, wherein the separate device comprises a computer.

38. The method of claim 35, further comprising the diagnosis device and the separate device communicating with each other via a data cable.

39. The method of claim 35, further comprising the diagnosis device and the separate device wirelessly communicating with each other.

40. The method of claim 35, wherein transmitting an alert comprises the separate device transmitting a telephone message.

41. The method of claim 35, wherein transmitting an alert comprises the separate device transmitting a text message.

42. The method of claim 35, wherein transmitting an alert comprises the separate device transmitting an email message.

43. The method of claim 35, wherein the measuring, estimating, and determining are performed by the diagnosis device.

44. The method of claim 35, wherein the measuring is performed by the diagnosis device and the estimating and determining are performed by the separate device.