Method, system, and monitor for dynamically displaying a change of a parameter measured at an interval

• US 11,006,901 B2
• Filed: 04/11/2018
• Issued: 05/18/2021
• Est. Priority Date: 10/12/2015
• Status: Active Grant

• Current Assignee: Shenzhen Mindray Bio-Medical Electronics Co., Ltd. (Excelsior Union Ltd.), Shenzhen Mindray Scientific Co., Ltd.
• Original Assignee: Shenzhen Mindray Bio-Medical Electronics Co., Ltd. (Excelsior Union Ltd.)
• Inventors: Gong, Yunyun, Qing, Lei
• Primary Examiner(s): Stice, Paula J
• Application Number:
  US15/950,431
• Publication Number:
  US 20190110760A1
• Time in Patent Office: 1,133 Days
• CPC Class Codes: A61B 2505/03 Intensive care
• CPC Class Codes: A61B 5/02 Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
• 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 5/029 Measuring or recording blood output from the heart, e.g. minute volume A61B8/065 takes precedence
• CPC Class Codes: A61B 5/0537 Measuring body composition by impedance, e.g. tissue hydration or fat content
• CPC Class Codes: A61B 5/08 Detecting, measuring or recording devices for evaluating the respiratory organs A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/14551 for measuring blood gases
• 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: A61B 5/7475 User input or interface means, e.g. keyboard, pointing device, joystick

Abstract

A method for dynamically displaying a change of a parameter measured at an interval comprises: dynamically monitoring at least one type of hemodynamic parameters of a patient by means of a sensor on a monitor; obtaining a first monitoring value of the type of hemodynamic parameters monitored at a first monitoring time; displaying a first form corresponding to the first monitoring value in a simulated graph corresponding to each type of the hemodynamic parameters on a graphic display interface; obtaining a second monitoring value of the type of hemodynamic parameters monitored at a second monitoring time, and determining a second form of the corresponding simulated graph; and adjusting the simulated graph corresponding to each type of hemodynamic parameter from the first form to the second form on the graphic display interface. Also provided are a corresponding system and a dynamic monitor.

Claims

1. A method for dynamically displaying a change of a parameter measured at an interval, comprising:

dynamically monitoring a type of hemodynamic parameter of a patient by means of a sensor on a monitor and storing the type of hemodynamic parameter monitored;

obtaining a first monitoring value of the type of hemodynamic parameter monitored at a first monitoring time;

configuring a simulated graph corresponding to the type of hemodynamic parameter on a graphic display interface, and correspondingly displaying a first morphology of the simulated graph according to the first monitoring value of the type of hemodynamic parameter monitored;

obtaining a second monitoring value of the type of hemodynamic parameter monitored at a second monitoring time, and determining a second morphology of the corresponding simulated graph according to the second monitoring value; and

dynamically adjusting the simulated graph corresponding to the type of hemodynamic parameter monitored from the first morphology to the second morphology on the graphic display interface;

wherein the hemodynamic parameter comprises an oxygen saturation level, and

wherein the simulated graph corresponding to the oxygen saturation level is configured as a blood vessel graph, wherein various monitoring values of the oxygen saturation level correspond to various respective colors of blood vessels in the blood vessel graph; and

wherein the method further comprises;

predetermining a normal value of the type of hemodynamic parameter,

configuring a reference morphology according to the normal value of the type of hemodynamic parameter, and

statically marking said reference morphology in the simulated graph displayed in the first morphology or the second morphology corresponding to the type of hemodynamic parameter.

2. The method of claim 1, wherein the hemodynamic parameter further comprises at least one of a global end-diastolic volume index (GEDI), a systemic vascular resistance index (SVRI), and an extravascular lung water index (ELWI), wherein:

the simulated graph corresponding to the global end-diastolic volume index (GEDI) is configured as a cardiac contour graph;

the simulated graph corresponding to the extravascular lung water index (ELWI) is configured as a lung graph with lung water; and

the simulated graph corresponding to the systemic vascular resistance index (SVRI) is configured as a tubular structure.

3. The method of claim 2, wherein configuring a simulated graph corresponding to the type of hemodynamic parameter on a graphic display interface and displaying a first morphology of the corresponding simulated graph according to the first monitoring value of the type of hemodynamic parameter monitored comprises at least one of following steps:

adjusting a size of the cardiac contour in the corresponding simulated graph to a corresponding first size, according to the first monitoring value of the global end-diastolic volume index (GEDI), and displaying the first size of the cardiac contour;

adjusting a height of a horizontal plane of the lung water in the corresponding simulated graph to a corresponding first height, according to the first monitoring value of the extravascular lung water index (ELWI), and displaying the first height of the horizontal plane of the lung water;

adjusting a diameter of the tubular structure in the corresponding simulated graph to a corresponding first diameter, according to the first monitoring value of the systemic vascular resistance index (SVRI), and displaying the first diameter of the tubular structure; and

adjusting a color of the blood vessel in the corresponding simulated graph to a corresponding first color, according to the first monitoring value of the oxygen saturation level, and displaying the first color of the blood vessel.

4. The method of claim 3, wherein determining a second morphology of the corresponding simulated graph according to the second monitoring value comprises at least one of the following steps:

determining a second size of the cardiac contour in the corresponding simulated graph, according to the second monitoring value of the global end-diastolic volume index (GEDI);

determining a second height of the height of the horizontal plane of the lung water in the corresponding simulated graph, according to the second monitoring value of the extravascular lung water index (ELWI);

determining a second diameter of the tubular structure in the corresponding simulated graph, according to the second monitoring value of the systemic vascular resistance index (SVRI); and

determining a second color of the blood vessel in the corresponding simulated graph, according to the second monitoring value of the oxygen saturation level.

5. The method of claim 4, wherein the dynamic adjustment is implemented through animation, and wherein dynamically adjusting the simulated graph from the first morphology to the second morphology on the graphic display interface comprises at least one of the following steps:

dynamically adjusting the size of the cardiac contour from the first size to the second size, in the simulated graph corresponding to the global end-diastolic volume index (GEDI);

dynamically adjusting the height of the horizontal plane of the lung water from the first height to the second height, in the simulated graph corresponding to the extravascular lung water index (ELWI);

dynamically adjusting the diameter of the tubular structure from the first diameter to the second diameter, in the simulated graph corresponding to the systemic vascular resistance index (SVRI); and

dynamically adjusting the color of the blood vessel from the first color to the second color, in the simulated graph corresponding to the oxygen saturation level.

6. The method of claim 2, wherein when the type of hemodynamic parameter is GEDI, the method comprises:

configuring another cardiac contour graph by a dashed line as the reference morphology corresponding to GEDI, and

marking the another cardiac contour graph by the dashed line in the cardiac contour graph as the simulated graph corresponding to the GEDI.

7. The method of claim 2, wherein when the type of hemodynamic parameter is SVRI, the method comprises:

configuring a tubular structure with constant diameter as the reference morphology corresponding to SVRI.

8. The method of claim 1, further comprising:

prestoring various morphologies of each simulated graph corresponding to the monitoring values of the type of hemodynamic parameter.

9. The method of claim 1, further comprising:

presetting a time interval between the first monitoring time and the second monitoring time, and after one dynamic adjustment, automatically performing a next dynamic adjustment when the time interval is reached.

10. The method of claim 1, further comprising:

manually determining the first monitoring time and the second monitoring time.

11. A dynamic monitor, comprises:

a dynamic monitoring unit for dynamically monitoring a type of hemodynamic parameter of a patient by means of a sensor, and storing the type of hemodynamic parameter monitored;

a first monitoring value obtaining unit for obtaining a first monitoring value of the type of hemodynamic parameter monitored at a first monitoring time;

a first morphology display unit for configuring a simulated graph corresponding to the type of hemodynamic parameter on a graphic display interface and displaying a first morphology of the corresponding simulated graph according to the first monitoring value of the type of hemodynamic parameter monitored;

a second morphology determination unit for obtaining a second monitoring value of the type of hemodynamic parameter monitored at a second monitoring time and determining a second morphology of the corresponding simulated graph according to the second monitoring value; and

a dynamic adjustment unit for dynamically adjusting the simulated graph corresponding to the type of hemodynamic parameter monitored from the first morphology to the second morphology on the graphic display interface;

wherein the dynamic monitor further comprises a reference morphology marking unit predetermining a normal value of the type of hemodynamic parameter, configuring a reference morphology according to the normal value of the type of hemodynamic parameter and statically marking said reference morphology in the simulated graph displayed in the first morphology or the second morphology corresponding to the type of hemodynamic parameter.

12. The dynamic monitor of claim 11, wherein the hemodynamic parameter comprises at least one of a global end-diastolic volume index (GEDI), a systemic vascular resistance index (SVRI), and an extravascular lung water index (ELWI), wherein:

the simulated graph corresponding to the global end-diastolic volume index (GEDI) is configured as a cardiac contour graph;

the simulated graph corresponding to the extravascular lung water index (ELWI) is configured as a lung graph with lung water; and

the simulated graph corresponding to the systemic vascular resistance index (SVRI) is configured as a tubular structure graph.

13. The dynamic monitor of claim 12, wherein the first morphology display unit comprises at least one of:

a GEDI simulated display unit for adjusting a size of the cardiac contour in the corresponding simulated graph to a corresponding first size, according to the first monitoring value of the global end-diastolic volume index (GEDI) and displaying the first size of the cardiac contour;

an ELWI simulated display unit for adjusting a height of a horizontal plane of the lung water in the corresponding simulated graph to a corresponding first height, according to the first monitoring value of the extravascular lung water index (ELWI) and displaying the first height of the horizontal plane of the lung water;

a SVRI simulated display unit for adjusting a diameter of the tubular structure in the corresponding simulated graph to a corresponding first diameter, according to the first monitoring value of the systemic vascular resistance index (SVRI) and displaying the first diameter of the tubular structure; and

an oxygen saturation level simulated display unit for adjusting a color of the blood vessel in the corresponding simulated graph to a corresponding first color, according to the first monitoring value of the oxygen saturation level and displaying the first color of the blood vessel.

14. The dynamic monitor of claim 13, wherein the second morphology determination unit comprises at least one of:

a second GEDI morphology determination unit for determining a second size of the cardiac contour in the corresponding simulated graph, according to the second monitoring value of the global end-diastolic volume index (GEDI);

a second ELWI morphology determination unit for determining a second height of the height of the horizontal plane of the lung water in the corresponding simulated graph, according to the second monitoring value of the extravascular lung water index (ELWI);

a second SVRI morphology determination unit for determining a second diameter of the tubular structure in the corresponding simulated graph, according to the second monitoring value of the systemic vascular resistance index (SVRI); and

a second oxygen saturation level morphology determination unit for determining a second color of the blood vessel in the corresponding simulated graph, according to the second monitoring value of the oxygen saturation level.

15. The dynamic monitor of claim 14, wherein the dynamic adjustment unit implements the dynamic adjustment through animation;

and wherein the dynamic adjustment unit comprises at least one of;

a GEDI dynamic adjustment unit for dynamically adjusting the size of the cardiac contour from the first size to the second size, in the simulated graph corresponding to the global end-diastolic volume index (GEDI);

an ELWI dynamic adjustment unit for dynamically adjusting the height of the horizontal plane of the lung water from the first height to the second height, in the simulated graph corresponding to the extravascular lung water index (ELWI);

a SVRI dynamic adjustment unit for dynamically adjusting the diameter of the tubular structure from the first diameter to the second diameter, in the simulated graph corresponding to the systemic vascular resistance index (SVRI); and

an oxygen saturation level dynamic adjustment unit for dynamically adjusting the color of the blood vessel from the first color to the second color, in the simulated graph corresponding to the oxygen saturation level.

16. The dynamic monitor of claim 12, wherein

when the type of hemodynamic parameter is GEDI, the reference morphology is another cardiac contour graph marked by a dashed line.

17. The dynamic monitor of claim 12, wherein

when the type of hemodynamic parameter is SVRI, the reference morphology is a tubular structure with constant diameter.

18. The dynamic monitor of claim 11, further comprises at least one of:

a storage unit for prestoring various morphologies of the simulated graphs corresponding to the monitoring values of the type of hemodynamic parameter;

a time interval setting unit for presetting a time interval between the first monitoring time and the second monitoring time, and after one dynamic adjustment, automatically performing a next dynamic adjustment when the time interval is reached; and

a monitoring time setting unit for manually determining the first monitoring time and the second monitoring time.