Work of breathing display for a ventilation system

• US 20070272242A1
• Filed: 04/21/2006
• Published: 11/29/2007
• Est. Priority Date: 04/21/2006
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Nellcor Puritan Bennett LLC (Medtronic Plc)
• Inventors: Doyle, Peter, Sanborn, Warren
• Granted Patent: US 8,021,310 B2
• Time in Patent Office: Days
• US Class Current: 128/204.230
• CPC Class Codes: A61B 5/08 Detecting, measuring or recording devices for evaluating the respiratory organs A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/082 Evaluation by breath analysis, e.g. determination of the chemical composition of exhaled breath A61B5/083, A61B5/091 take precedence
• CPC Class Codes: A61B 5/087 Measuring breath flow
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence
• CPC Class Codes: A61B 5/743 Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots
• CPC Class Codes: A61M 16/0003 Accessories therefor, e.g. sensors, vibrators, negative pressure
• CPC Class Codes: A61M 16/0051 with alarm devices
• CPC Class Codes: A61M 16/024 including calculation means, e.g. using a processor
• CPC Class Codes: A61M 16/142 with semi-permeable walls separating the liquid from the respiratory gas
• CPC Class Codes: A61M 2016/0027 pressure meter
• CPC Class Codes: A61M 2016/003 with a flowmeter
• CPC Class Codes: A61M 2016/1025 the O2 concentration
• CPC Class Codes: A61M 2205/3368 Temperature
• CPC Class Codes: A61M 2205/502 User interfaces, e.g. screens or keyboards
• CPC Class Codes: A61M 2205/505 Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
• CPC Class Codes: A61M 2230/40 Respiratory characteristics
• CPC Class Codes: A61M 2230/46 Resistance or compliance of the lungs

Abstract

A breathing support system is provided. The system may include a breathing support device configured to deliver gas to a patient and a display device associated with the breathing support device. The display device may be configured to display a work of breathing graphic indicating one or more work of breathing measures regarding the patient'"'"'s breathing.

Claims

1. A breathing support system, comprising:

a breathing support device configured to deliver gas to a patient; and

a display device associated with the breathing support device, the display device configured to display a work of breathing graphic indicating one or more work of breathing measures regarding the patient'"'"'s breathing.

2. A system according to claim 1, further comprising a work of breathing calculation module configured to receive data from one or more sensors and calculate the one or more work of breathing measures using one or more work of breathing algorithms.

3. A system according to claim 2, wherein the data received by the work of breathing calculation module comprises data regarding the delivery of gas to the patient, including at least one of the pressure and the flow of gas delivered to the patient.

4. A system according to claim 2, wherein the work of breathing calculation module is configured to receive data from one or more sensors associated with an artificial airway inserted in the patient.

5. A system according to claim 1, further comprising:

one or more sensors configured to obtain data regarding the patient'"'"'s breathing;

a memory device storing one or more work of breathing algorithms; and

a processor communicatively coupled to the one or more sensors and the memory device and configured to determine the one or more work of breathing measures based at least on data obtained by the one or more sensors and the one or more work of breathing algorithms.

6. A system according to claim 5, wherein the one or more sensors are associated with an artificial airway inserted in the patient.

7. A system according to claim 5, wherein the one or more sensors are not associated with an artificial airway inserted in the patient.

8. A system according to claim 1, wherein the display device is at least partially integrated with the breathing support device.

9. A system according to claim 1, wherein the display device is physically separate from the breathing support device.

10. A system according to claim 1, wherein the work of breathing graphic includes:

a total work of breathing indicator indicating a measure of a total work of breathing for the patient'"'"'s breathing, the total work of breathing comprising a patient work of breathing component and a device work of breathing component, the patient work of breathing component comprising the portion of the total work of breathing provided by the patient and the device work of breathing component comprising the portion of the total work of breathing provided by the breathing support device; and

a patient work of breathing indicator indicating a measure of the patient work of breathing component.

11. A system according to claim 1, wherein:

the one or more work of breathing measures include an elastic work of breathing component and a resistive work of breathing component; and

the work of breathing graphic includes;

an elastic work of breathing indicator indicating of a measure of the elastic work of breathing component; and

a resistive work of breathing indicator indicating a measure of the resistive work of breathing component.

12. A system according to claim 1, wherein the work of breathing graphic further includes an indication of an elastic work of breathing component relative to a resistive work of breathing component.

13. A display according to claim 1, wherein the one or more work of breathing measures comprise one or more estimated measures.

14. A system according to claim 1, wherein the work of breathing graphic includes:

a patient'"'"'s work of breathing indicator indicating of a measure of the patient'"'"'s work of breathing (WOB_PATIENT), the patient'"'"'s work of breathing comprising a work of breathing provided by the patient, patient'"'"'s work of breathing comprising a patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}) and a patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE});

an elastic work of breathing indicator indicating of a measure of the patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}); and

a resistive work of breathing indicator indicating of a measure of the patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE}).

15. A system according to claim 14, further including a scale;

and

wherein the patient'"'"'s work of breathing indicator dynamically moves relative to the scale to indicate the measure of the patient'"'"'s work of breathing (WOB_PATIENT); and

the elastic work of breathing indicator and the resistive work of breathing indicator generally move along with the patient'"'"'s work of breathing indicator relative to the scale.

16. A system according to claim 1, wherein the work of breathing graphic includes:

a patient'"'"'s work of breathing indicator indicating of a measure of the patient'"'"'s work of breathing (WOB_PATIENT), the patient'"'"'s work of breathing comprising a work of breathing provided by the patient, patient'"'"'s work of breathing comprising a patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}) and a patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE}); and

an elastic-resistive work of breathing indicator indicating of a measure of the patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}) relative to a measure of the patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE}).

17. A system according to claim 1, wherein the work of breathing graphic includes:

an elastic-resistive work of breathing graphic including a first portion and a second portion, the first portion indicating a measure of an elastic work of breathing component and the second portion indicating a measure of a resistive work of breathing component; and

wherein the relative sizes of the first and second portions of the elastic-resistive work of breathing graphic dynamically adjust to indicate the measure of the elastic work of breathing component relative to the measure of the resistive work of breathing component.

18. A system according to claim 17, wherein the size of the elastic-resistive work of breathing graphic remains constant as the relative sizes of the first and second portions dynamically adjust.

19. A system according to claim 1, wherein the work of breathing graphic includes:

a scale; and

one or more graphic work of breathing indicators that move relative to the scale to indicate one or more work of breathing measures.

20. A device for displaying work of breathing information associated with a breathing support system, comprising:

a work of breathing calculation module configured to determine one or more work of breathing measures regarding a patient'"'"'s breathing; and

a display configured to present a work of breathing graphic indicating the one or more determined work of breathing measures.

21. A device according to claim 20, wherein the work of breathing calculation module includes:

memory storing one or more work of breathing algorithms; and

a processor communicatively coupled to the memory and configured to receive data from one or more sensors and calculate the one or more work of breathing measures using the one or more work of breathing algorithms.

22. A device according to claim 20, wherein the work of breathing graphic includes:

a total work of breathing indicator indicating a measure of a total work of breathing for the patient'"'"'s breathing, the total work of breathing comprising a patient work of breathing component and a device work of breathing component, the patient work of breathing component comprising the portion of the total work of breathing provided by the patient and the device work of breathing component comprising the portion of the total work of breathing provided by the breathing support device; and

a patient work of breathing indicator indicating a measure of the patient work of breathing component.

23. A device according to claim 20, wherein:

the one or more work of breathing measures include an elastic work of breathing component and a resistive work of breathing component; and

the work of breathing graphic includes;

an elastic work of breathing indicator indicating of a measure of the elastic work of breathing component; and

a resistive work of breathing indicator indicating a measure of the resistive work of breathing component.

24. A device according to claim 20, wherein the work of breathing graphic includes:

a patient'"'"'s work of breathing indicator indicating of a measure of the patient'"'"'s work of breathing (WOB_PATIENT), the patient'"'"'s work of breathing comprising a work of breathing provided by the patient, patient'"'"'s work of breathing comprising a patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}) and a patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE});

an elastic work of breathing indicator indicating of a measure of the patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}); and

a resistive work of breathing indicator indicating of a measure of the patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE}).

25. A device according to claim 24, further including a scale;

and

wherein the patient'"'"'s work of breathing indicator dynamically moves relative to the scale to indicate the measure of the patient'"'"'s work of breathing (WOB_PATIENT); and

the elastic work of breathing indicator and the resistive work of breathing indicator generally move along with the patient'"'"'s work of breathing indicator relative to the scale.

26. A device according to claim 20, wherein the work of breathing graphic includes:

a patient'"'"'s work of breathing indicator indicating of a measure of the patient'"'"'s work of breathing (WOB_PATIENT), the patient'"'"'s work of breathing comprising a work of breathing provided by the patient, patient'"'"'s work of breathing comprising a patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}) and a patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE}); and

an elastic-resistive work of breathing indicator indicating of a measure of the patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}) relative to a measure of the patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE}).

27. A device according to claim 20, wherein the work of breathing graphic includes:

an elastic-resistive work of breathing graphic including a first portion and a second portion, the first portion indicating a measure of an elastic work of breathing component and the second portion indicating a measure of a resistive work of breathing component; and

wherein the relative sizes of the first and second portions of the elastic-resistive work of breathing graphic dynamically adjust to indicate the measure of the elastic work of breathing component relative to the measure of the resistive work of breathing component.

28. A method for displaying a work of breathing graphic associated with a breathing support system, comprising:

calculating one or more work of breathing measures regarding a patient'"'"'s breathing; and

displaying a work of breathing graphic indicating the one or more calculated work of breathing measures.

29. A method according to claim 28, wherein calculating one or more work of breathing measures includes:

receiving data from one or more sensors;

accessing one or more work of breathing algorithms; and

calculating the one or more work of breathing measures based at least on the received data and the one or more work of breathing algorithms.

30. A method according to claim 29, wherein receiving data from one or more sensors comprises receiving data regarding the delivery of gas to the patient, including at least one of the pressure and flow of gas delivered to the patient.

31. A method according to claim 29, wherein the one or more sensors are associated with an artificial airway inserted in the patient.

32. A method according to claim 29, wherein the one or more sensors are not associated with an artificial airway inserted in the patient.

33. A method according to claim 28, wherein displaying a work of breathing graphic comprises:

displaying a total work of breathing indicator indicating a measure of a total work of breathing for the patient'"'"'s breathing, the total work of breathing comprising a patient work of breathing component and a device work of breathing component, the patient work of breathing component comprising the portion of the total work of breathing provided by the patient and the device work of breathing component comprising the portion of the total work of breathing provided by the breathing support device; and

displaying a patient work of breathing indicator indicating a measure of the patient work of breathing component.

34. A method according to claim 28, wherein displaying a work of breathing graphic comprises:

displaying a patient'"'"'s work of breathing indicator indicating of a measure of the patient'"'"'s work of breathing (WOB_PATIENT), the patient'"'"'s work of breathing comprising a work of breathing provided by the patient, patient'"'"'s work of breathing comprising a patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}) and a patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE});

displaying an elastic work of breathing indicator indicating of a measure of the patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}); and

displaying a resistive work of breathing indicator indicating of a measure of the patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE}).

35. A method according to claim 28, wherein displaying a work of breathing graphic comprises:

displaying a patient'"'"'s work of breathing indicator indicating of a measure of the patient'"'"'s work of breathing (WOB_PATIENT), the patient'"'"'s work of breathing comprising a work of breathing provided by the patient, patient'"'"'s work of breathing comprising a patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}) and a patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE}); and

displaying an elastic-resistive work of breathing indicator indicating of a measure of the patient elastic work of breathing component (WOB_{PATIENT-ELASTIC}) relative to a measure of the patient resistive work of breathing component (WOB_{PATIENT-RESISTIVE}).

36. A ventilation system for assisting with a patient'"'"'s breathing, the system comprising:

gas delivery means for delivering gas to a patient; and

display means for displaying a work of breathing graphic indicating one or more work of breathing measures regarding the patient'"'"'s breathing.

37. A computer-readable medium including computer-executable instructions for providing a work of breathing graphic associated with breathing support for a patient, comprising:

instructions for calculating one or more work of breathing measures regarding a patient'"'"'s breathing; and

instructions for displaying a work of breathing graphic indicating the one or more calculated work of breathing measures.