Ventilator breath display and graphic user interface

• US 6,675,801 B2
• Filed: 06/15/2001
• Issued: 01/13/2004
• Est. Priority Date: 03/14/1997
• Status: Expired due to Term

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Nellcor Puritan Bennett Incorporated (Medtronic Plc)
• Inventors: Sanborn, Warren G., Wallace, Charles L., Arnett, David, Butterbrodt, Jay, Ferguson, Howard L.
• Primary Examiner(s): Lewis, Aaron J.
• Application Number:
  US09/882,200
• Publication Number:
  US 20010027791A1
• Time in Patent Office: 942 Days
• Field of Search: 182/022.2, 182/042.1, 182/042.3, 182/052.3
• US Class Current: 128/205.23
• 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 2205/13 with means for the detection of operative contact with patient, e.g. lip sensor
• CPC Class Codes: A61M 2205/505 Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
• CPC Class Codes: A61M 2205/581 by audible feedback
• CPC Class Codes: A61M 2205/583 by visual feedback
• CPC Class Codes: A61M 2205/587 Lighting arrangements
• CPC Class Codes: G06F 3/0482 Interaction with lists of selectable items, e.g. menus
• CPC Class Codes: G06F 3/04842 Selection of displayed objects or displayed text elements G06F3/0482 takes precedence
• CPC Class Codes: G06F 9/453 Help systems
• CPC Class Codes: G16H 40/63 for local operation
• CPC Class Codes: Y02A 90/10 Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
• CPC Class Codes: Y10S 715/965 for process control and configuration

Abstract

The invention is directed to a ventilation control system for controlling the ventilation of a patient. The ventilation control system utilizes a user-friendly user interface for the display of patient data and ventilator status. The user interface includes a graphic representation of a breath cycle that displays the breath cycle currently being ventilated, and is also responsive to changes in ventilation settings to assist the user in evaluation the effect of those changes on the ventilator strategy before the changes are implemented.

Claims

1. In a ventilator breath display for displaying a plurality of ventilator related parameters, the improvement comprising:

a graphical representation of a plurality of ventilator related parameters and plurality of parameters of a breath cycle that is to be provided to a patient for the ventilator, the graphical representation including a time scale representing the total duration of the breath cycle, an inspiration bar of inspiration duration disposed on the time scale, wherein the inspiration duration is displayed within the inspiration bar if the length of the inspiration bar is sufficient to allow the inspiration duration to be displayed within the inspiration bar, an expiration bar of expiration duration disposed on the time scale, adjacent to, but not overlapping, the inspiration bar, wherein the expiration duration is displayed within the expiration bar if the length of the expiration bar is sufficient to allow the expiration duration to be displayed within the expiration bar, the inspiration and expiration bars having lengths proportional to values of the inspiration and expiration durations and the time scale, and a displayed value of a ratio of the inspiration duration with respect to the expiration duration, the plurality of parameters of a breath cycle being calculated from a plurality of selectively assigned values of the parameters, and the inspiration and expiration durations being calculated from said values of the parameters.

2. The ventilator breath display of claim 1, wherein the display provides an image that a user can select to initiate a display of a listing of said plurality of ventilator related parameters.

3. The ventilator breath display of claim 1, wherein said display comprises a touch screen display and at least one off-screen device to initiate a display of a listing of said plurality of ventilator related parameters.

4. The ventilator breath display of claim 3, wherein the display enables the user to selectively change at least one of the values assigned for said plurality of ventilator related parameters and the display automatically updates other ones of the values of the displayed parameters when such a change is made.

5. The ventilator breath display of claim 1, wherein the display comprises a menu of ventilator related parameters selected by the user.

6. The ventilator breath display of claim 1, wherein the display comprises a graphic depicting a listing of ventilator related parameters.

7. The ventilator breath display of claim 1, wherein said graphical representation further comprises a displayed value of a total breath duration calculated from said values of the parameters.

8. The ventilator breath display of claim 1, wherein said graphical representation further comprises an inspiration duration calculated from said values of said parameters displayed in association with the graphic representation of the inspiration duration calculated, and an expiration duration calculated from said values of said parameters displayed in association with the graphic representation of the expiration duration calculated.

9. The ventilator breath display of claim 1, wherein the inspiration duration is displayed adjacent to the inspiration bar if the length of the inspiration bar is not sufficient to allow the inspiration duration to be displayed within the inspiration bar and the expiration duration is displayed adjacent to the expiration bar if the length of the expiration bar is not sufficient to allow the expiration duration to be displayed within the expiration bar.

10. A ventilator breath display for displaying a plurality of ventilator related parameters for a ventilation system, comprising:

a touch screen display for displaying a plurality of ventilator related parameters for enabling a user to selectively assign values for any of the parameters utilizing touch screen techniques, and for displaying a breath diagram in association with the ventilator settings screen on the touch screen, the breath diagram being generated according to the selected values of the parameters, and wherein the breath diagram comprises a time scale representing the total duration of a breath cycle that is to be provided to a patient, an inspiration portion disposed on the time scale, and an expiration portion disposed on the time scale, adjacent to, but not overlapping, the inspiration portion;

a memory for storing programming instructions, display data and the selected values of the parameters; and

a processor connected to the memory and the touch screen, the processor being responsive to the means for enabling the user to selectively assign values for any of the parameters displayed on the touch screen to generate the breath diagram, and wherein the breath diagram inspiration and expiration portions each have a length calculated by the processor in response to the selected values of the parameters.

11. The ventilator breath display of claim 10, wherein the breath diagram further comprises a displayed value for a complete breath cycle, the displayed value being calculated from the selected values of the parameters.

12. The ventilator breath display of claim 10, wherein the inspiration portion length and the expiration portion length are displayed in proportion to the time scale.

13. The ventilator breath display of claim 12, wherein the processor is responsive to changes input by the user in the selected values of the ventilator parameters to adjust the lengths of the inspiration portion and the expiration portions and to display the adjusted inspiration and expiration portions as the changes are made by the user prior to entering the changes.

14. The ventilator breath display of claim 12, wherein one of the inspiration and expiration portions may be locked by the user such that the display of the locked portion remains unchanged while the display of the unlocked portion changes in response to changes in the selected values of the ventilator parameters.

15. A ventilator breath display for displaying a plurality of ventilator related parameters for a ventilation system, comprising:

a touch screen display for displaying a plurality of ventilator related parameters for enabling a user to selectively assign values for any of the parameters utilizing touch screen techniques, and for displaying a breath diagram in association with the ventilator settings screen on the touch screen, the breath diagram being generated according to the selected values of the parameters, and wherein the breath diagram comprises a time scale representing the total duration of a breath cycle that is to be provided to a patient, an inspiration portion disposed on the time scale, and an expiration portion disposed on the time scale, adjacent to, but not overlapping, the inspiration portion;

a memory for storing programming instructions, display data and the selected values of the parameters; and

a processor connected to the memory and the touch screen, the processor being responsive to the means for enabling the user to selectively assign values for any of the parameters displayed on the touch screen to generate the breath diagram, and wherein the breath diagram inspiration and expiration portions each have a length calculated by the processor in response to the selected values of the parameters, wherein the processor determines a display length for a value of the inspiration time and displays the value for the inspiration time within the inspiration portion if the display length for the value of the inspiration time is less than the length of the inspiration portion, otherwise the value for the inspiration time is displayed adjacent the inspiration portion.