Multi-function sensor device and methods for its use

• US 6,733,464 B2
• Filed: 08/23/2002
• Issued: 05/11/2004
• Est. Priority Date: 08/23/2002
• Status: Expired due to Fees

• Current Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Dunfield, John Stephen, Olbrich, Craig A
• Primary Examiner(s): Hindenburg, Max F.
• Assistant Examiner(s): Natnithithadha, Navin
• Application Number:
  US10/226,597
• Publication Number:
  US 20040039295A1
• Time in Patent Office: 627 Days
• Field of Search: 600/538, 600/537, 600/533, 600/532, 600/529, 600/531
• US Class Current: 600/538
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/024 Detecting, measuring or recording pulse rate or heart rate A61B5/0205, A61B5/021 take precedence
• CPC Class Codes: A61B 5/087 Measuring breath flow
• CPC Class Codes: A61B 5/0871 Peak expiratory flowmeters
• CPC Class Codes: A61B 5/14553 specially adapted for cerebral tissue
• CPC Class Codes: A61B 5/411 Detecting or monitoring allergy or intolerance reactions to an allergenic agent or substance
• CPC Class Codes: A61B 7/003 Detecting lung or respiration noise

Abstract

A portable sensor device for obtaining physiological information, including cardiopulmonary information, from a human or animal subject. The device includes a housing having a lumen and a respiratory port in fluid communication with the lumen. The lumen can be divided into plural airflow tubes. Spirometric data can be integrated with non-spirometric cardiopulmonary data collected by the device. Additionally, the sensor device can be operably coupled to a bioactive composition delivery device. Methods for using the sensor device and methods for making the sensor device also are disclosed.

Claims

1. A sensor device for obtaining physiological information, comprising:

an elongated housing having a proximal end, a distal end, and a lumen, wherein the proximal housing end defines a respiratory port that is in fluid communication with the lumen;

an airflow port defined in the wall of the housing adjacent the distal end, wherein the airflow port is in fluid communication with the lumen and the respiratory port, and the lumen defines a passageway that allows air to flow from the airflow port to the respiratory port during inhalation and from the respiratory port to the airflow port during exhalation;

means for measuring pulmonary airflow housed within the passageway of the lumen;

means for measuring non-spirometric cardiopulmonary activity housed within the passageway of the lumen; and

means for processing data operably coupled to both the means for measuring pulmonary airflow and the means for measuring non-spirometric cardiopulmonary activity, wherein the sensor device is capable of integrated collection of data obtained via the means for measuring pulmonary airflow and means for measuring non-spirometric cardiopulmonary activity.

2. The sensor device according to claim 1, wherein the means for measuring pulmonary airflow comprises an electronic airflow sensor.

3. The sensor device according to claim 1, wherein the means for measuring non-spirometric cardiopulmonary activity comprises a microphone, blood oximeter, or heart monitor.

4. The sensor device according to claim 1, wherein the means for processing data comprises a microprocessor.

5. The sensor device according to claim 1, wherein the device is dimensioned for use by a human adult or child.

6. The sensor device according to claim 1, further comprising a lateral vent defined in the housing adjacent its distal end, the lateral vent in fluid communication with the housing lumen.

7. The sensor device according to claim 1, further comprising means for transferring data operably coupled to the means for processing data.

8. The sensor device according to claim 7, wherein the means for transferring data is a wireless data transmitter.

9. The sensor device according to claim 1, further comprising means for directing airflow housed within the lumen.

10. The sensor device according to claim 9, wherein the means for directing airflow is disposed between the airflow port and the respiratory port.

11. The sensor device according to claim 1, further comprising means for measuring temperature operably coupled to the means for processing data.

12. The sensor device according to claim 11, wherein the means for measuring temperature is a digital thermometer or infrared thermometer.

13. The sensor device according to claim 11, wherein the means for measuring temperature is capable of measuring the body temperature of the subject.

14. The sensor device according to claim 11, wherein the sensor device is capable of integrated collection of data obtained via the means for measuring pulmonary airflow, the means for measuring non-spirometric cardiopulmonary activity, and the means for measuring temperature.

15. A method for collecting physiological data about a subject, comprising obtaining cardiopulmonary data about a subject via the sensor device of claim 1.

16. The method according to claim 15, wherein the method for collecting physiological data about a subject comprises a method for diagnosing a disease or physiological condition of the subject.

17. The method according to claim 15, wherein the sensor device further comprises means for transferring data operably coupled to the means for processing data, and the method further comprises transmitting the cardiopulmonary data obtained by the device to an external repository.

18. The method according to claim 15, wherein the subject is a human.

19. The sensor device according to claim 1, wherein the sensor device is operably coupled to a means for delivering a bioactive composition.

20. The sensor device according to claim 1, wherein the airflow port is positioned so as to allow expired or inhaled air to flow longitudinally through the airflow port.

21. The sensor device according to claim 1, wherein the means for measuring non-spirometric cardiopulmonary activity comprises a microphone operable to detect a physiological sound of a subject.

22. A sensor device for obtaining physiological information, comprising:

an elongated housing having a proximal end, a distal end, and a lumen, wherein the proximal housing end defines a respiratory port that is in fluid communication with the lumen;

an airflow port defined in the wall of the housing adjacent the distal end, wherein the airflow port is in fluid communication with the lumen and the respiratory port;

means for measuring pulmonary airflow housed within the lumen;

means for measuring non-spirometric cardiopulmonary activity housed within the lumen; and

means for processing data operably coupled to both the means for measuring pulmonary airflow and the means for measuring non-spirometric cardiopulmonary activity, wherein the sensor device is capable of integrated collection of data obtained via the means for measuring pulmonary airflow and means for measuring non-spirometric cardiopulmonary activity;

wherein the sensor device is operably coupled to a means for delivering a bioactive composition.

23. A sensor device for obtaining cardiopulmonary data, comprising:

an elongated housing having a proximal end, a distal end, and a lumen, wherein the proximal housing end defines a respiratory port that is in fluid communication with the lumen;

an airflow port defined in the housing adjacent the distal end of the lumen, the airflow port being in fluid communication with the lumen, wherein expired air flows through the respiratory port, the lumen and the airflow port to atmosphere, and inhaled air flows through the airflow port, the lumen and the respiratory port into a user;

an airflow sensor positioned within the lumen;

a non-spirometric cardiopulmonary activity sensor positioned within the lumen; and

a data processor operably coupled to both the airflow sensor and the non-spirometric cardiopulmonary activity sensor, wherein the sensor device is capable of integrated collection of cardiopulmonary data obtained via the airflow sensor and the non-spirometric cardiopulmonary activity sensor.

24. The device according to claim 23, wherein the non-spirometric cardiopulmonary activity sensor compromises a microphone, blood oximeter, or heart monitor.

25. The device according to claim 23, further comprising a digital or infrared thermometer operably coupled to the data processor.

26. The device according to claim 23, further comprising a data transmitter operably coupled to the data processor.

27. The device according to claim 26, wherein the data transmitter is a wireless data transmitter.

28. The sensor device according to claim 23, further comprising a lateral vent defined in the housing adjacent its distal end, the lateral vent being in fluid communication with the housing lumen.

29. The sensor device according to claim 23, further comprising an airflow director positioned within the lumen.

30. The sensor device according to claim 23, wherein the sensor device is operably coupled to a bioactive composition delivery device.

31. The sensor device according to claim 23, wherein the lumen defines first and second airflow tubes.

32. The sensor device according to claim 31, further comprising at least one airflow director configured to control the flow of air through one or both of the first and second airflow tubes.

33. The sensor device according to claim 32, wherein the at least one airflow director comprises a first airflow director and a second airflow director, wherein the first airflow director controls the flow of air through the first airflow tube and the second airflow director controls the flow of air through the second airflow tube.

34. A sensor device for obtaining cardiopulmonary data, comprising:

an elongated housing having a proximal end, a distal end, and a lumen, wherein the proximal housing end defines a respiratory port that is in fluid communication with the lumen;

an airflow port defined in the housing adjacent the distal end of the lumen, the airflow port being in fluid communication with the lumen;

an airflow sensor positioned within the lumen;

a non-spirometric cardiopulmonary activity sensor positioned within the lumen; and

a data processor operably coupled to both the airflow sensor and the non-spirometric cardiopulmonary activity sensor, wherein the sensor device is capable of integrated collection of cardiopulmonary data obtained via the airflow sensor and the non-spirometric cardiopulmonary activity sensor;

wherein the sensor device is operably coupled to a bioactive composition delivery device.

35. A sensor device for obtaining physiological information, comprising:

an elongated housing having a proximal end, a distal end, and a lumen, wherein the proximal housing end defines a respiratory port;

a first airflow tube defined within the lumen and having a first airflow tube diameter, wherein the first airflow tube is in fluid communication with the respiratory port;

a second airflow tube defined within the lumen and having a second airflow tube diameter, wherein the second airflow tube is in fluid communication with the respiratory port;

an airflow port defined in the wall of the housing adjacent the distal housing end, wherein the airflow port is in fluid communication with the first airflow tube, the second airflow tube, and the respiratory port; and

a pulmonary airflow sensor positioned within the lumen and capable of measuring airflow through the first airflow tube and second airflow tube.

36. The sensor device according to claim 35, wherein the first airflow tube diameter is less than the second airflow tube diameter.

37. The sensor device according to claim 35, further comprising a non-spirometric cardiopulmonary activity sensor.

38. The sensor device according to claim 37, further comprising a data processor operably coupled to pulmonary airflow sensor, wherein the sensor device is capable of integrated collection of data obtained via the pulmonary airflow sensor and the non-spirometric cardiopulmonary activity sensor.

39. A method for collecting physiological data about a subject, comprising obtaining cardiopulmonary data about a subject via the sensor device of claim 38.

40. The method according to claim 39, wherein the method for collecting physiological data about a subject comprises a method for diagnosing a disease or physiological condition of the subject.

41. The method according to claim 40, wherein the sensor device further comprises a data transmitter operably coupled to the data processor, and the method further comprises transmitting the cardiopulmonary data obtained by the device to an external repository.

42. The method according to claim 39, wherein the subject is a human.

43. The sensor device according to claim 35, further comprising a data processor.

44. The sensor device according to claim 43, further comprising a temperature sensor operably coupled to the data processor, wherein the sensor device is capable of integrated collection of data obtained via the pulmonary airflow sensor and temperature sensor.

45. The sensor device according to claim 44, wherein the temperature sensor is capable of measuring the body temperature of a subject.

46. The sensor device according to claim 44, further comprising a data transmitter coupled to the data processor.

47. A method of making a sensor device for sensing cardiopulmonary activity, comprising:

providing an elongated housing having a proximal end defining a respiratory port, a distal end defining an airflow port positioned so as to cause air to flow in a longitudinal direction through the airflow port, and a lumen;

placing an airflow sensor inside the housing lumen and operably coupling the airflow sensor to a data processor; and

coupling a non-spirometric cardiopulmonary activity sensor to the housing and operably coupling the non-spirometric cardiopulmonary activity sensor to the data processor, wherein the sensor device is capable of integrated collection of cardiopulmonary data obtained via the airflow sensor and the non-spirometric cardiopulmonary activity sensor.

48. The method according to claim 47, further comprising operably coupling a temperature sensor to the data processor, wherein the temperature sensor is capable of measuring body temperature, and wherein the sensor device is capable of integrated collection of cardiopulmonary data obtained via the airflow sensor, the non-spirometric cardiopulmonary activity sensor, and the temperature sensor.

49. A method of making a sensor device for sensing cardiopulmonary activity, comprising:

providing an elongated housing having a proximal end, a distal end, and a lumen;

placing an airflow sensor inside the housing lumen and operably coupling the airflow sensor to a data processor; and

coupling a non-spirometric cardiopulmonary activity sensor to the housing and operably coupling the non-spirometric cardiopulmonary activity sensor to the data processor, wherein the sensor device is capable of integrated collection of cardiopulmonary data obtained via the airflow sensor and the non-spirometric cardiopulmonary activity sensor;

providing a first airflow tube displaced within the housing lumen, the first airflow tube having a first airflow tube diameter; and

providing a second airflow tube displaced within the housing lumen, the second airflow tube having a second airflow tube diameter, wherein the first airflow tube diameter is less than the second airflow tube diameter.

50. A sensor device for obtaining cardiopulmonary data, comprising:

an elongated housing having a proximal end, a distal end, and a lumen, wherein the proximal housing end defines a respiratory port that is in fluid communication with the lumen;

an airflow port defined in the housing adjacent the distal end of the lumen, the airflow port being in fluid communication with the lumen;

an airflow sensor positioned within the lumen;

a microphone positioned within the lumen, the microphone being operable to detect a physiological sound of a subject; and

a data processor operably coupled to both the airflow sensor and the non-spirometric cardiopulmonary activity sensor, wherein the sensor device is capable of integrated collection of cardiopulmonary data obtained via the airflow sensor and the non-spirometric cardiopulmonary activity sensor.

51. A method for collecting physiological data about a subject, comprising obtaining cardiopulmonary data about a subject via the sensor device of claim 50.

52. The method of claim 51, wherein obtaining cardiopulmonary data about a subject comprises detecting heart sounds of the subject via the sensor device.

53. The method of claim 51, wherein the method for collecting physiological data about a subject comprises:

detecting and recording a physiological sound of the subject using the sensor device; and

listening to a recorded physiological sound to diagnose a disease or physiological condition of the subject.