CN115105051A - Lung ventilation state display method and ventilation equipment - Google Patents
Lung ventilation state display method and ventilation equipment Download PDFInfo
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Abstract
A method for displaying a lung ventilation state and ventilation equipment are provided, wherein ventilation parameters used for representing the lung ventilation state in a ventilation process are obtained, a corresponding lung ventilation state diagram is displayed on a ventilation equipment interface according to the ventilation parameters, and continuous image transformation is carried out on the lung ventilation state diagram according to dynamic changes of the ventilation parameters, so that the ventilation parameters can be visually and vividly displayed, and a user can visually check the lung state change trend of a patient during ventilation through the lung ventilation state diagram.
Description
Technical Field
The application relates to the field of lung ventilation, in particular to a lung ventilation state display method and ventilation equipment.
Background
Human respiration means that gas is inhaled and exhaled periodically and rhythmically, oxygen is absorbed and carbon dioxide is discharged, and thus gas exchange is achieved. When some patients cannot breathe spontaneously, the patients can be helped to finish breathing through mechanical ventilation; for example, in the case where the patient is not breathing spontaneously, the patient may be provided with respiratory support, typically by an external device such as a ventilator or the like. It can be seen that mechanical ventilation is a ventilation mode that utilizes mechanical means to replace, control or modify the spontaneous respiratory movements of the patient; such a mechanism may be generally referred to as a ventilator.
In the ventilation process, ventilation parameters for representing the ventilation state of the lung need to be acquired and displayed by the ventilation equipment, so that a user can conveniently know the ventilation condition of a patient; in the prior art, the ventilation parameters are directly displayed by curves or numerical values, which is not beneficial for a user to know the ventilation condition of a patient.
Disclosure of Invention
In order to solve the above problems, the present application provides a lung ventilation status display method and a ventilation apparatus, which are described in detail below.
According to a first aspect, there is provided in an embodiment a method of displaying a pulmonary ventilation status, comprising:
acquiring ventilation parameters for representing the ventilation state of the lung in the ventilation process; the ventilation parameter comprises at least one of a resistance value, a compliance, a breathing rate, and a ventilation volume;
and displaying a corresponding lung ventilation state diagram on a ventilation equipment interface according to the ventilation parameters, and carrying out continuous image transformation on the lung ventilation state diagram according to the dynamic change of the ventilation parameters.
In some embodiments, the pulmonary ventilation state diagram includes at least an alveolar graphical element, a bronchial graphical element, and a tracheal graphical element; the displaying a corresponding lung ventilation state diagram on a ventilation equipment interface according to the ventilation parameters, and performing continuous image transformation on the lung ventilation state diagram according to the dynamic change of the ventilation parameters comprises:
superimposing other graphical elements on the alveolar graphical element, bronchial graphical element, and tracheal graphical element according to the dynamic change of the ventilation parameter;
and performing continuous image transformation on the alveolar graphical element, the bronchial graphical element, the tracheal graphical element and/or other superimposed graphical elements according to the dynamic change of the ventilation parameter.
In some embodiments, where the ventilation parameter comprises a resistance value, the pulmonary ventilation state diagram further comprises a resistance line graphical element;
the superimposing, according to the dynamic change of the ventilation parameter, other graphical elements on the alveolar graphical element, bronchial graphical element, and tracheal graphical element, further comprising:
and displaying the resistance line graphic elements on the bronchus graphic elements and/or the trachea graphic elements in an overlapping manner according to the resistance value.
In some embodiments, the displaying, superimposed on the bronchial graphical element and/or the tracheal graphical element, a resistance line graphical element according to a magnitude of the resistance value specifically includes:
and when the resistance value is larger than a first threshold value, displaying a resistance line graphic element on the bronchus graphic element and/or the trachea graphic element in an overlapping mode.
In some embodiments, the displaying, superimposed on the bronchial graphical element and/or the tracheal graphical element, a resistance line graphical element according to a magnitude of the resistance value specifically includes:
and according to the corresponding relation between the preset resistance value section and the number of the resistance line graphic elements, superposing and displaying the corresponding number of the resistance line graphic elements on the bronchus graphic elements and/or the trachea graphic elements.
In some embodiments, where the ventilation parameters include compliance, the pulmonary ventilation status map further includes a shaded outline graphical element;
superimposing other graphical elements on the alveolar graphical element, bronchial graphical element, and tracheal graphical element according to the dynamic change of the ventilation parameter, further comprising:
displaying a shadow outline graphical element overlaid outside the alveolar graphical element according to a magnitude of compliance.
In some embodiments, the shadow outline graphical element comprises a first shadow outline and a second shadow outline; the displaying of the shadow outline graphic element in an overlapping manner outside the alveolar graphic element according to the size of the compliance specifically includes:
when the compliance is less than a second threshold, the first shadow contour and the second shadow contour are not displayed in an overlapping mode;
when the compliance is between the second threshold and a third threshold, displaying the first shadow contour in an overlay;
and when the compliance is larger than a third threshold value, the first shadow contour and the second shadow contour are displayed in an overlapping mode.
In some embodiments, the first shadow profile and the second shadow profile have different transparencies or different colors.
In some embodiments, the ventilation parameter comprises ventilation, the performing the continuous image transformation comprises:
the maximum size of the image transformation of the pulmonary ventilation status map is determined from the ventilation volume.
In some embodiments, the sequential image transformation comprises:
during each respiratory cycle determined at the respiratory rate, the pulmonary ventilation state diagram is successively increased during the inspiratory phase and decreased during the expiratory phase.
In some embodiments, the ventilation parameters are displayed alongside the pulmonary ventilation status map.
According to a second aspect, an embodiment provides a ventilator comprising: a ventilation airway assembly, a processor and a display device, the processor being configured to implement the steps of the method of displaying a pulmonary ventilation status as described in any one of the embodiments herein when executing a computer program stored in a memory and to display a pulmonary ventilation status map on the display device.
According to a third aspect, an embodiment provides a computer-readable storage medium having a program stored thereon, the program being executable by a processor to implement the method of displaying a pulmonary ventilation status according to any of the embodiments herein.
According to the lung ventilation state display method, the ventilation device and the computer readable storage medium of the embodiment, the ventilation parameter used for representing the lung ventilation state in the ventilation process is obtained, the corresponding lung ventilation state diagram is displayed on the interface of the ventilation device according to the ventilation parameter, and the continuous image transformation is carried out on the lung ventilation state diagram according to the dynamic change of the ventilation parameter, so that the ventilation parameter can be visually and vividly displayed, and a user can visually check the lung state change trend of the patient during ventilation through the lung ventilation state diagram.
Drawings
Fig. 1 is a schematic structural diagram of a ventilator according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a ventilator according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a ventilator according to an embodiment of the present application;
FIG. 4(1) is a schematic diagram of a pulmonary ventilation status of an embodiment of the present application; FIG. 4(2) is a schematic diagram of a pulmonary ventilation status of an embodiment of the present application;
FIG. 5(1) is a schematic diagram of a pulmonary ventilation status of an embodiment of the present application; FIG. 5(2) is a schematic diagram of a pulmonary ventilation status of an embodiment of the present application; FIG. 5(3) is a schematic diagram of a pulmonary ventilation status of an embodiment of the present application;
FIG. 6(1) is a schematic diagram of a pulmonary ventilation status of an embodiment of the present application; FIG. 6(2) is a schematic diagram of a pulmonary ventilation status of an embodiment of the present application; FIG. 6(3) is a schematic diagram of a pulmonary ventilation status of an embodiment of the present application;
fig. 7(1), fig. 7(2), fig. 7(3), fig. 7(4), fig. 7(5) and fig. 7(6) are schematic diagrams of a lung ventilation status diagram according to some embodiments of the present application;
FIGS. 8(1), 8(2), and 8(3) are three examples of a state diagram of lung ventilation during the continuous augmentation of the state diagram of lung ventilation during the inspiration phase;
FIGS. 9(1), 9(2), and 9(3) are three examples of a pulmonary ventilation state diagram during the expiratory phase with successive reductions in the pulmonary ventilation state diagram;
FIG. 10 is a schematic view of a ventilator interface according to an embodiment of the present application;
FIG. 11 is a flow chart of a method of displaying a pulmonary ventilation status in accordance with an embodiment of the present application;
fig. 12 is a flowchart of a method for displaying a pulmonary ventilation status according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the described features, operations, or characteristics may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" as used herein includes both direct and indirect connections (couplings), unless otherwise specified.
The names to which the present application relates are described below.
Resistance (R): also known as air resistance, like electrical resistance, is used to characterize the resistance of ventilator gases to the patient's lungs.
Compliance (C): is the change in lung volume per unit pressure change, and represents the effect of changes in chest pressure on lung volume.
Respiratory Rate (RR): refers to the number of breaths per minute;
minute Ventilation (MV): refers to the total amount of gas entering or exiting the lungs per minute, which is the product of tidal volume and respiratory rate.
Referring to fig. 1, some embodiments of the present application provide a ventilation apparatus that may include a ventilation air circuit assembly 10, a processor 20, and a display device 30. In some embodiments, ventilation circuit assembly 10 is used to provide gas input to a patient and/or to exhaust gas exhaled by a patient; it should be noted that the gas provided by ventilation circuit assembly 10 to the patient may be gas generated from the interior of the ventilator, for example, the ventilator may provide the gas breathed by the patient to ventilation circuit assembly 10 via an internal gas source, for example, the gas delivered to the patient may be provided via an internal turbine; the ventilation circuit assembly 10 provides gas to the patient, and may also provide gas from an external source.
In some embodiments, the ventilator may be a ventilator; in some embodiments, the ventilator may also be an anesthesia machine; this will be explained in detail below.
The ventilator of some embodiments may be a ventilator, which is an artificial mechanical ventilator to assist or control the spontaneous respiratory movement of the patient, so as to achieve the function of gas exchange in the lungs, reduce the consumption of the human body, and facilitate the recovery of the respiratory function. Referring to fig. 2, the ventilation circuit assembly 10 in some embodiments may include an inhalation branch 11a, an exhalation branch 11b, a gas source interface 12a, a breathing interface 12b, an exhaust interface 12c, an inhalation controller 13a, and an exhalation controller 13b, as described in detail below.
In some embodiments, the gas source interface 12a is used to connect with a gas source (not shown in the drawings) for providing a gas, which is usually oxygen, or a mixture of oxygen and air, etc.; the gas source may be a source internal to the ventilator or an external source, such as a compressed gas cylinder or a central gas supply.
In some embodiments, the breathing interface 12b is used to connect the patient to the inspiration branch 11a and the expiration branch 11b, and the breathing interface 12b can introduce the gas transmitted from the inspiration branch 11a to the patient and can also introduce the gas expired from the patient to the exhaust interface 12c through the expiration branch 11 b. In some embodiments, the respiratory interface 12b may be a nasal cannula or a mask for wearing over the mouth and nose, which may be determined according to actual needs.
In some embodiments, the exhaust port 12c may be connected to the external environment or to a dedicated gas recovery device (not shown).
In some embodiments, inspiratory branch 11a is connected between respiratory interface 12b and gas source interface 12a, and is configured to provide gas, such as oxygen or air, to the patient, such as gas input from gas source interface 12a into inspiratory branch 11a and then through respiratory interface 12b into the patient's lungs. In some embodiments, an inspiratory controller 13a is provided in inspiratory branch 11a for controlling delivery from gas source interface 12a to the patient via inspiratory branch 11a, such as turning inspiratory branch 11a on or off, or controlling the flow rate or pressure of gas in inspiratory branch 11a, as instructed by processor 20. In some embodiments, the inspiratory controller 13a may include one or more of an inspiratory valve, a one-way valve, or a flow controller, among other devices that enable control of flow or pressure.
In some embodiments, the exhalation branch 11b is connected between the breathing interface 12b and the exhaust interface 12c for conducting exhaled air from the patient to the exhaust interface 12 c. In some embodiments, an exhalation controller 13b is disposed on the exhalation branch 11b for turning on the exhalation branch 11b or turning off the exhalation branch 11b, or controlling the flow rate or pressure of the exhaled gas of the patient, according to the instructions of the processor 20. In some embodiments, the exhalation controller 13b may include one or more of an exhalation valve, a one-way valve, or a flow controller, among other devices that enable control of flow or pressure.
The above are some illustrations of the ventilator being a ventilator. The ventilator of some embodiments may also be an anesthesia machine that is primarily used to provide anesthesia gas and deliver the anesthesia gas to the patient's respiratory system through a ventilator and control the amount of anesthesia gas inhaled. Referring to fig. 3, the ventilation circuit assembly 10 of some embodiments may include an inhalation branch 15a, an exhalation branch 15b, a gas source interface 16a, a breathing interface 16b, a breathing assistance component 17, and an anesthetic output component 18; in some embodiments, the ventilation air path assembly 10 may further include a gas recovery component 19, as described in more detail below.
The breathing assistance component 17 is used to provide power for the patient's involuntary breathing to maintain an open airway. In some embodiments, the breathing assistance component 17 controls the delivery of gas provided by the gas source to the patient via the inspiratory branch 15 a. In some embodiments, the breathing assistance component 17 mixes the fresh gas input from the gas source 16a, the gas exhaled by the patient in the exhalation branch 15b, and the anesthetic drug output from the anesthetic output component 18, and outputs the mixture to the breathing interface 16b through the inhalation branch 15a, so as to drive the patient to inhale, and receive the gas exhaled by the patient through the exhalation branch 15 b.
The anesthetic output member 18 is used to provide anesthetic agent, which is typically mixed in a gaseous form into fresh air introduced from the air supply port 16a and delivered together into the breathing circuit. In some embodiments, the anesthetic output member 18 may be implemented as an anesthetic volatilization canister. The anesthetic is usually in a liquid state and is stored in the anesthetic volatilization tank, optionally, the anesthetic volatilization tank may comprise a heating device for heating the anesthetic to volatilize the anesthetic, so as to generate anesthetic vapor, the anesthetic output part 18 is communicated with the pipeline of the air source interface 16a, and the anesthetic vapor is mixed with fresh air introduced by the air source interface 16a and then is conveyed to the air suction branch 15a together.
In some embodiments, the inspiration limb 15a and the expiration limb 15b are connected to form a closed circuit, and the gas recovery unit 19 is disposed on the line of the expiration limb 15 b. The mixed gas of fresh air introduced from the air source interface 16a is input from the inlet of the inspiration branch 15a and is provided for the patient through the breathing interface 16b arranged at the outlet of the inspiration branch 15 a; in some embodiments, the respiratory interface 16b may be a mask, a nasal cannula, or an endotracheal tube. The inlet of the expiration branch 15b is communicated with the breathing interface 16b, when the patient exhales, the exhaled gas enters the gas recovery part 19 through the expiration branch 15b, carbon dioxide in the exhaled gas is filtered by substances in the gas recovery part 19, and the gas after carbon dioxide filtering is recycled into the inspiration branch 15 a.
The above are some illustrations of the ventilator being an anesthesia machine.
The ventilation apparatus of some embodiments of the present application is capable of visually displaying the pulmonary ventilation status. In some embodiments, the processor 20 obtains a ventilation parameter for characterizing a ventilation status of the lung during ventilation, controls the display device 30 to display a corresponding ventilation status map of the lung on the ventilator interface according to the ventilation parameter, and performs continuous image transformation on the ventilation status map of the lung according to dynamic changes of the ventilation parameter. In some embodiments, the ventilation parameter comprises at least one of a resistance value, a compliance, a breathing rate, and a ventilation volume.
The following is a description of a pulmonary ventilation state diagram and how it is transformed according to dynamic changes in ventilation parameters.
In some embodiments, the lung ventilation status map includes graphical elements, for example at least an alveolar graphical element, a bronchial graphical element, and a tracheal graphical element; fig. 4(1) is an example of a pulmonary ventilation state diagram, which includes an alveolar graphical element 31, a bronchial graphical element 32, and an airway graphical element 33. In some embodiments, the pulmonary ventilation status may also include other graphical elements, such as one or more of a resistive line graphical element and a shaded outline graphical element; fig. 4(2) is an example of a pulmonary ventilation state diagram, which includes an alveolar graphical element 31, a bronchial graphical element 32, a tracheal graphical element 33, a resistance line graphical element 34, and a shaded outline graphical element 35.
In some embodiments, the processor 20 controls the display device 30 to display a corresponding lung ventilation state diagram on the ventilator interface, and the continuous image transformation of the lung ventilation state diagram according to the dynamic change of the ventilation parameter may include: the processor 20 superimposes other graphic elements on the alveolar graphic element 31, the bronchial graphic element 32, and the tracheal graphic element 33 according to the dynamic change of the ventilation parameter, and performs continuous image transformation on the alveolar graphic element 31, the bronchial graphic element 32, the tracheal graphic element 33, and/or the superimposed other graphic elements according to the dynamic change of the ventilation parameter, and controls the display device 30 to display. Note that "superimposing other graphic elements on the alveolar graphic element 31, the bronchial graphic element 32, and the tracheal graphic element 33" means: the alveolar graphical element 31, the bronchial graphical element 32, and the tracheal graphical element 33 are basic graphical elements, and then, other graphical elements may be displayed in a superimposed manner, for example, on the basis of the alveolar graphical element 31, further, on the basis of the bronchial graphical element 32, further, on the basis of the tracheal graphical element 33, further, for example, on the basis of the alveolar graphical element 31. It should be noted that the other graphic elements in this document refer to graphic elements other than the alveolar graphic element 31, the bronchial graphic element 32, and the tracheal graphic element 33, such as one or more of the resistance line graphic element 34 and the shadow outline graphic element 35.
In some embodiments, where the ventilation parameter comprises a resistance value, the lung ventilation state map further comprises a resistance line graphical element 34, i.e. the other graphical elements may also comprise a resistance line graphical element 34. Thus, in some embodiments, processor 20 superimposes other graphical elements on alveolar graphical element 31, bronchial graphical element 32, and airway graphical element 33 based on the dynamic change in the ventilation parameter, further comprising: and displaying the resistance line graphic element 34 on the bronchus graphic element 32 and/or the trachea graphic element 33 in a superposed manner according to the magnitude of the resistance value, for example, displaying the resistance line graphic element 34 on the bronchus graphic element 32 in a superposed manner according to the magnitude of the resistance value, and for example, displaying the resistance line graphic element 34 on the trachea graphic element 33 in a superposed manner according to the magnitude of the resistance value.
In some embodiments, when the resistance value is greater than the first threshold value, processor 20 controls display device 30 to display resistance line graphical element 34 superimposed on bronchial graphical element 32 and/or tracheal graphical element 33. In some embodiments, the first threshold is 2.4cmH 2O; therefore, in some embodiments, when the resistance value is greater than 2.4cmH2O, the resistance line graphic element 34 is displayed superimposed on the bronchial graphic element 32 and/or the tracheal graphic element 33, whereas the resistance line graphic element 34 is not displayed superimposed on the bronchial graphic element 32 and/or the tracheal graphic element 33. In this way, the user can intuitively know whether the current resistance value is too large by observing whether the resistive line graphic element 34 is displayed superimposed.
For example, fig. 5(1) is an example in which the resistance line graphic element 34 is not displayed superimposed on the trachea graphic element 33 when the resistance value is not greater than the first threshold value; fig. 5(2) and 5(3) are two examples of the resistance line graphic element 34 superimposed on the trachea graphic element 33 when the resistance value is greater than the first threshold value.
In some embodiments, the resistance line graphical element 34 may be a line segment, and the number of line segments may be associated with the size of the resistance line. Accordingly, in some embodiments, processor 20 may display resistance line graphical element 34 superimposed on bronchial graphical element 32 and/or tracheal graphical element 33 according to the magnitude of the resistance value, which may include: the processor 20 displays a corresponding number of resistance line graphic elements 34 on the bronchus graphic element 32 and/or the trachea graphic element 33 in an overlapping manner according to the corresponding relationship between the preset resistance value section and the number of the resistance line graphic elements. For example, dividing the resistance value range larger than 2.4cmH2O into a plurality of continuous sections 1-N, each section corresponding to a resistance line graphic element number, for example, the resistance line graphic element numbers corresponding to the continuous sections 1-N are 1-N, N is a positive integer; in some embodiments, N is a positive integer greater than or equal to 2. In this way, the user can intuitively know the degree to which the current resistance value is excessively large by observing the number of the resistance line graphic elements 34 displayed in a superimposed manner.
For example, fig. 5(2) and 5(3) show two examples of the graphic elements 34 of the resistance line superimposed on the graphic element 33 of the trachea, where fig. 5(2) shows 1 number of graphic elements of the resistance line, and fig. 5(3) shows 3 numbers of graphic elements of the resistance line.
In some embodiments, where the ventilation parameters include compliance, the lung ventilation status map also includes a shadow outline graphical element 35, i.e., the other graphical elements may also include the shadow outline graphical element 35. Thus, in some embodiments, processor 20 superimposes other graphical elements on alveolar graphical element 31, bronchial graphical element 32, and airway graphical element 33 based on the dynamic change in the ventilation parameter, further comprising: the processor 20 controls the display device 30 to display a shadow outline graphic element 35 superimposed outside the alveolar graphic element 31 according to the magnitude of the compliance. Referring to fig. 6(1), 6(2), and 6(3), in some embodiments, the shadow outline graphic element 35 includes a first shadow outline 35a and a second shadow outline 35 b; when the compliance is less than the second threshold, the first and second shaded outlines 35a, 35b are not displayed superimposed outside the alveolar graphical element 31, such as is illustrated in FIG. 6(1), which is an example; displaying a first shaded outline 35a superimposed outside the alveolar graphical element 31 when the compliance is between the second threshold and a third threshold, such as is an example of fig. 6 (2); when the compliance is greater than a third threshold, a first shaded outline 35a and a second shaded outline 35b are displayed superimposed over the alveolar graphical element 31, such as is illustrated in fig. 6(3), which is an example.
In some embodiments, the second threshold is 0.16L/cmH 2O; in some embodiments, the third threshold is 0.2L/cmH 2O. By setting specific values of the second threshold and the third threshold, the condition that the compliance is between the second threshold and the third threshold can be characterized as the condition that the compliance is normal, the condition that the compliance is smaller than the second threshold is characterized as the condition that the compliance is small, and the condition that the compliance is larger than the third threshold is characterized as the condition that the compliance is too large. Thus, when the user sees that there is no shadow outline outside the alveolar graphical element 31, it can be intuitively known that the current compliance is small, when the user sees that only one layer of shadow outline is superimposed and displayed outside the alveolar graphical element 31, it can be intuitively known that the current compliance is normal, and when the user sees that two layers of shadow outlines are superimposed and displayed outside the alveolar graphical element 31, it can be intuitively known that the current compliance is too large.
In some embodiments, the first and second shaded outlines 35a, 35b have different transparencies or different colors for ease of differentiation.
In an embodiment where the lung ventilation status map includes an alveolar graphical element 31, a bronchial graphical element 32, a tracheal graphical element 33, a resistance line graphical element 34, and a shaded outline graphical element 35, the user intuitively understands the patient's resistance and sequence by viewing the pulmonary ventilation state diagram, for example, FIGS. 7(1), 7(2), 7(3), 7(4), 7(5) and 7(6) are examples, FIG. 7(1) shows the case of normal compliance and normal resistance, FIG. 7(2) shows the case of normal compliance but excessive resistance, FIG. 7(3) shows the case of normal resistance but low compliance, FIG. 7(4) shows the case of normal resistance but high compliance, fig. 7(5) shows the case where the compliance is low and the resistance is large, and fig. 7(6) shows the case where the compliance is large and the resistance is large.
It should be noted that, herein, the compliance may be a static compliance or a dynamic compliance.
In some embodiments, the continuous image transformation of the lung ventilation state map by the processor 20 according to the dynamic change of the ventilation parameter may include: in each respiratory cycle determined by the respiratory rate, the pulmonary ventilation state diagram is successively increased during the inspiration phase and decreased during the expiration phase. For example, the original size and the maximum size of the lung ventilation state diagram can be determined, the lung ventilation state diagram changes between the original size and the maximum size, and the lung ventilation state diagram is continuously increased in the inspiration phase, namely the lung ventilation state diagram is continuously increased from the original size and is finally increased to the maximum size; continuously reducing the lung ventilation state diagram in an expiration stage, namely continuously reducing the lung ventilation state diagram from the maximum size to the original size; the rate of successive increases and decreases may be determined based on the original size, maximum size, and breathing rate. It should be noted that the continuous increase and continuous decrease of the lung ventilation state diagram (i.e. the continuous increase of the lung ventilation state diagram in the inspiration phase and the continuous decrease of the lung ventilation state diagram in the expiration phase) are realized based on the adjustment of the image size and pixels, and are not realized by the replacement of the preset several frame images.
FIGS. 8(1), 8(2), and 8(3) are three examples of a pulmonary ventilation state diagram during the continuous augmentation of the pulmonary ventilation state diagram during the inspiration phase; specifically, during the inhalation process, the lung ventilation state diagram in fig. 8(1) is gradually increased to the lung ventilation state diagram in fig. 8(2), and the lung ventilation state diagram in fig. 8(2) is gradually increased to the lung ventilation state diagram in fig. 8 (3).
FIGS. 9(1), 9(2), and 9(3) are three examples of a pulmonary ventilation state diagram during the expiratory phase with successive reductions in the pulmonary ventilation state diagram; specifically, during the exhalation process, the lung ventilation state diagram in fig. 9(1) is gradually reduced to the lung ventilation state diagram in fig. 9(2), and the lung ventilation state diagram in fig. 9(2) is gradually reduced to the lung ventilation state diagram in fig. 9 (3).
In some embodiments, where the ventilation parameter includes ventilation, the processor 20 performing the continuous image transformation may be such that: the processor 20 determines the maximum size of the lung ventilation state diagram image transformation based on the ventilation volume. Different ventilation volumes correspond to different maximum sizes of the lung ventilation state diagram images, and the larger the ventilation volume, the larger the maximum size of the lung ventilation state diagram image, i.e. the larger the lung ventilation state diagram image.
The processor 20 controls the display device 30 to display the corresponding function of the ventilation state diagram of the lung on the interface of the ventilation equipment according to the ventilation parameters, which is not called as the function of displaying the dynamic lung; in one embodiment, the processor 20 may turn on and off the function of displaying the dynamic lung according to the age group of the monitored subject. For example, where the patient type is pediatric or infant, which functionality is not supported, the "dynamic lung" icon under the menu bar above the ventilator interface may be grayed out, i.e., not selectable.
The above are some explanations about the pulmonary ventilation state diagram and how it is transformed according to the dynamic changes of the ventilation parameters. In some embodiments, the processor 20 may also control the display device 30 to display the ventilation parameters alongside the pulmonary ventilation status map. For example, fig. 10 is an example of a ventilator interface in which a pulmonary ventilation status map is displayed and ventilation parameters are displayed alongside the pulmonary ventilation status map.
Some embodiments of the present application also disclose a method for displaying a pulmonary ventilation status, which can be applied to the ventilation apparatus of some embodiments of the present application.
Referring to fig. 11, the method for displaying the ventilation status of the lung in some embodiments includes the following steps:
step 100: ventilation parameters used to characterize the ventilation status of the lungs during ventilation are obtained. In some embodiments, the ventilation parameter comprises at least one of a resistance value, a compliance, a breathing rate, and a ventilation volume.
Step 200: and displaying a corresponding lung ventilation state diagram on a ventilation equipment interface according to the ventilation parameters, and carrying out continuous image transformation on the lung ventilation state diagram according to the dynamic change of the ventilation parameters.
In some embodiments, the lung ventilation status map includes graphical elements, for example at least an alveolar graphical element, a bronchial graphical element, and a tracheal graphical element; fig. 4(1) above is an example of a pulmonary ventilation status diagram, which includes an alveolar graphical element 31, a bronchial graphical element 32, and an airway graphical element 33. In some embodiments, the pulmonary ventilation status may also include other graphical elements, such as one or more of a resistive line graphical element and a shaded outline graphical element; fig. 4(2) above is an example of a pulmonary ventilation state diagram, which includes an alveolar graphical element 31, a bronchial graphical element 32, a tracheal graphical element 33, a resistance line graphical element 34, and a shaded outline graphical element 35.
In some embodiments, the step 200 of displaying a corresponding lung ventilation state diagram on a ventilation device interface according to the ventilation parameters and performing continuous image transformation on the lung ventilation state diagram according to the dynamic changes of the ventilation parameters may include: superimposing other graphical elements on the alveolar graphical element 31, the bronchial graphical element 32, and the tracheal graphical element 33 according to the dynamic change of the ventilation parameter, and continuously image-transforming the alveolar graphical element 31, the bronchial graphical element 32, the tracheal graphical element 33, and/or the superimposed other graphical elements according to the dynamic change of the ventilation parameter.
In some embodiments, where the ventilation parameter comprises a resistance value, the lung ventilation state map further comprises a resistance line graphical element 34, i.e. the other graphical elements may also comprise a resistance line graphical element 34. Thus, in some embodiments, step 200 superimposes other graphical elements on alveolar graphical element 31, bronchial graphical element 32, and airway graphical element 33 according to the dynamic change in the ventilation parameter, further comprising: and displaying the resistance line graphic element 34 on the bronchus graphic element 32 and/or the trachea graphic element 33 in a superposed manner according to the magnitude of the resistance value, for example, displaying the resistance line graphic element 34 on the bronchus graphic element 32 in a superposed manner according to the magnitude of the resistance value, and for example, displaying the resistance line graphic element 34 on the trachea graphic element 33 in a superposed manner according to the magnitude of the resistance value.
In some embodiments, step 200 displays a resistance line graphical element 34 superimposed on bronchial graphical element 32 and/or tracheal graphical element 33 when the resistance value is greater than the first threshold value. In some embodiments, the first threshold is 2.4cmH 2O; therefore, in some embodiments, when the resistance value is greater than 2.4cmH2O, the resistance line graphic element 34 is displayed superimposed on the bronchial graphic element 32 and/or the tracheal graphic element 33, whereas the resistance line graphic element 34 is not displayed superimposed on the bronchial graphic element 32 and/or the tracheal graphic element 33. In this way, the user can intuitively know whether the current resistance value is too large by observing whether the resistive line graphic element 34 is displayed superimposed.
In some embodiments, the step 200 of displaying the resistance line graphic element 34 in the bronchial graphic element 32 and/or the tracheal graphic element 33 in an overlay manner according to the magnitude of the resistance value may include: step 200, according to the corresponding relation between the preset resistance value section and the number of the resistance line graphic elements, the corresponding number of the resistance line graphic elements 34 are superposed and displayed on the bronchus graphic element 32 and/or the trachea graphic element 33.
In some embodiments, where the ventilation parameters include compliance, the lung ventilation status map also includes a shadow outline graphical element 35, i.e., the other graphical elements may also include the shadow outline graphical element 35. Thus, in some embodiments, step 200 superimposes other graphical elements on alveolar graphical element 31, bronchial graphical element 32, and airway graphical element 33 according to the dynamic change in the ventilation parameter, further comprising: step 200 controls the display device 30 to display the shaded outline graphic element 35 superimposed outside the alveolar graphic element 31 according to the magnitude of the compliance. Referring to fig. 6(1), 6(2), and 6(3) above, in some embodiments, the shadow outline graphic element 35 includes a first shadow outline 35a and a second shadow outline 35 b; when the compliance is less than the second threshold, the first and second shaded outlines 35a, 35b are not displayed superimposed outside the alveolar graphical element 31, such as is illustrated in FIG. 6(1), which is an example; displaying a first shaded outline 35a superimposed outside the alveolar graphical element 31 when the compliance is between the second threshold and a third threshold, such as is an example of fig. 6 (2); when the compliance is greater than a third threshold, a first shaded outline 35a and a second shaded outline 35b are displayed superimposed over the alveolar graphical element 31, such as is illustrated in fig. 6(3), which is an example.
In some embodiments, the second threshold is 0.16L/cmH 2O; in some embodiments, the third threshold is 0.2L/cmH 2O.
In some embodiments, the first and second shadow profiles 35a, 35b have different transparencies or different colors for ease of distinction.
In some embodiments, the step 200 of performing continuous image transformation on the lung ventilation status map according to dynamic changes of ventilation parameters may include: in each respiratory cycle determined by the respiratory rate, the pulmonary ventilation state diagram is successively increased during the inspiration phase and decreased during the expiration phase. For example, the original size and the maximum size of the lung ventilation state diagram can be determined, the lung ventilation state diagram changes between the original size and the maximum size, and the lung ventilation state diagram is continuously increased in the inspiration phase, namely the lung ventilation state diagram is continuously increased from the original size to the maximum size; continuously reducing the lung ventilation state diagram in an expiration stage, namely continuously reducing the lung ventilation state diagram from the maximum size to the original size; the rate of successive increases and decreases may be determined based on the original size, maximum size, and breathing rate. It should be noted that the continuous increase and continuous decrease of the lung ventilation state diagram (i.e. the continuous increase of the lung ventilation state diagram in the inspiration phase and the continuous decrease of the lung ventilation state diagram in the expiration phase) are realized based on the adjustment of the image size and pixels, and are not realized by the replacement of the preset several frame images.
In some embodiments, where the ventilation parameter comprises ventilation volume, the continuous image transformation at step 200 may be such that: step 200 determines the maximum size of the image transformation of the pulmonary ventilation status map based on the ventilation volume. Different ventilation volumes correspond to different maximum sizes of the lung ventilation state diagram images, and the larger the ventilation volume, the larger the maximum size of the lung ventilation state diagram image, i.e. the larger the lung ventilation state diagram image.
The above are some explanations about the pulmonary ventilation state diagram and how it is transformed according to the dynamic changes of the ventilation parameters. Referring to fig. 12, the method for displaying the pulmonary ventilation status in some embodiments further includes step 300: ventilation parameters are displayed alongside the pulmonary ventilation status map.
According to the method and the device, the corresponding lung ventilation state diagram is displayed on the interface of the ventilation equipment according to the ventilation parameters, and continuous image transformation is carried out on the lung ventilation state diagram according to the dynamic change of the ventilation parameters, so that the ventilation parameters can be visually and vividly displayed, and a user can visually check the lung state change trend of the patient during ventilation through the lung ventilation state diagram.
According to some embodiments of the application, by introducing the resistance line graphic element, a user can intuitively know whether the resistance of the current patient is larger or not.
Some embodiments of the present application enable a user to intuitively understand the current patient compliance by introducing shadow outline graphical elements.
Reference is made herein to various exemplary embodiments. However, those skilled in the art will recognize that changes and modifications may be made to the exemplary embodiments without departing from the scope hereof. For example, the various operational steps, as well as the components used to perform the operational steps, may be implemented in differing ways depending upon the particular application or consideration of any number of cost functions associated with operation of the system (e.g., one or more steps may be deleted, modified or incorporated into other steps).
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. Additionally, as will be appreciated by one skilled in the art, the principles herein may be reflected in a computer program product on a computer readable storage medium, which is pre-loaded with computer readable program code. Any tangible, non-transitory computer-readable storage medium may be used, including magnetic storage devices (hard disks, floppy disks, etc.), optical storage devices (CD-to-ROM, DVD, Blu-Ray discs, etc.), flash memory, and/or the like. These computer program instructions may be loaded onto a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions which execute on the computer or other programmable data processing apparatus create means for implementing the functions specified. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including means for implementing the function specified. The computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified.
While the principles herein have been illustrated in various embodiments, many modifications of structure, arrangement, proportions, elements, materials, and components particularly adapted to specific environments and operative requirements may be employed without departing from the principles and scope of the present disclosure. The above modifications and other changes or modifications are intended to be included within the scope of this document.
The foregoing detailed description has been described with reference to various embodiments. However, one skilled in the art will recognize that various modifications and changes may be made without departing from the scope of the present disclosure. Accordingly, the disclosure is to be considered in an illustrative and not a restrictive sense, and all such modifications are intended to be included within the scope thereof. Also, advantages, other advantages, and solutions to problems have been described above with regard to various embodiments. However, the benefits, advantages, solutions to problems, and any element(s) that may cause any element(s) to occur or become more pronounced are not to be construed as a critical, required, or essential feature or element of any or all the claims. As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, system, article, or apparatus. Furthermore, the term "coupled," and any other variation thereof, as used herein, refers to a physical connection, an electrical connection, a magnetic connection, an optical connection, a communicative connection, a functional connection, and/or any other connection.
Those skilled in the art will recognize that many changes may be made to the details of the above-described embodiments without departing from the underlying principles of the invention.
Claims (13)
1. A method for displaying a pulmonary ventilation status, comprising:
acquiring ventilation parameters for representing the ventilation state of the lung in the ventilation process; the ventilation parameter comprises at least one of a resistance value, a compliance, a breathing rate, and a ventilation volume;
and displaying a corresponding lung ventilation state diagram on a ventilation equipment interface according to the ventilation parameters, and carrying out continuous image transformation on the lung ventilation state diagram according to the dynamic change of the ventilation parameters.
2. The method of claim 1, wherein the pulmonary ventilation status map includes at least an alveolar graphical element, a bronchial graphical element, and a tracheal graphical element; the displaying a corresponding lung ventilation state diagram on a ventilation equipment interface according to the ventilation parameters, and performing continuous image transformation on the lung ventilation state diagram according to the dynamic change of the ventilation parameters comprises:
superimposing other graphical elements on the alveolar graphical element, bronchial graphical element, and tracheal graphical element according to the dynamic change of the ventilation parameter;
and performing continuous image transformation on the alveolar graphical element, the bronchial graphical element, the tracheal graphical element and/or other superimposed graphical elements according to the dynamic change of the ventilation parameter.
3. The method of claim 2, wherein the pulmonary ventilation state map further comprises resistance line graphical elements where the ventilation parameter comprises a resistance value;
the superimposing, according to the dynamic change of the ventilation parameter, other graphical elements on the alveolar graphical element, bronchial graphical element, and tracheal graphical element, further comprising:
and displaying the resistance line graphic elements on the bronchus graphic elements and/or the trachea graphic elements in an overlapping manner according to the resistance value.
4. The method according to claim 3, wherein the displaying of the graphical bronchial graphical element and/or the graphical tracheal element in an overlay manner according to the magnitude of the resistance value comprises:
and when the resistance value is larger than a first threshold value, displaying a resistance line graphic element on the bronchus graphic element and/or the trachea graphic element in an overlapping mode.
5. The method according to claim 3, wherein the displaying of the graphical bronchial graphical element and/or the graphical tracheal element in an overlay manner according to the magnitude of the resistance value comprises:
and according to the corresponding relation between the preset resistance value section and the number of the resistance line graphic elements, superposing and displaying the corresponding number of the resistance line graphic elements on the bronchus graphic elements and/or the trachea graphic elements.
6. The method of claim 2, wherein the pulmonary ventilation status map further comprises a shaded outline graphical element where the ventilation parameter comprises compliance;
superimposing other graphical elements on the alveolar graphical element, bronchial graphical element, and tracheal graphical element according to the dynamic change in the ventilation parameter, further comprising:
and displaying a shadow outline graphic element outside the alveolar graphic element in an overlapping manner according to the size of the compliance.
7. The method of claim 6, wherein the shadow outline graphical element comprises a first shadow outline and a second shadow outline; the displaying of the shadow outline graphic element in an overlapping manner outside the alveolar graphic element according to the size of the compliance specifically includes:
when the compliance is smaller than a second threshold value, the first shadow contour and the second shadow contour are not displayed in an overlapping mode;
when the compliance is between the second threshold and a third threshold, displaying the first shadow contour in an overlay;
and when the compliance is larger than a third threshold value, the first shadow contour and the second shadow contour are displayed in an overlapping mode.
8. The method of claim 7, wherein the first shadow profile and the second shadow profile have different transparencies or different colors.
9. The method of claim 1 or 2, wherein the ventilation parameter comprises ventilation, and wherein performing the sequential image transformation comprises:
the maximum size of the image transformation of the pulmonary ventilation status map is determined from the ventilation volume.
10. The method of claim 1 or 2, wherein the sequential image transformation comprises:
during each respiratory cycle determined at the respiratory rate, the pulmonary ventilation state diagram is successively increased during the inspiratory phase and decreased during the expiratory phase.
11. The method of claim 1,
displaying the ventilation parameters alongside the pulmonary ventilation status map.
12. A ventilation apparatus comprising a ventilation airway assembly, a processor and a display device, the processor being configured to implement the steps of the method of displaying a pulmonary ventilation status according to any one of claims 1 to 11 when executing a computer program stored in a memory and to display a pulmonary ventilation status map on the display device.
13. A computer-readable storage medium, characterized in that the medium has stored thereon a program which is executable by a processor to implement the method according to any one of claims 1-11.
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| CN202210805767.6A CN115105051A (en) | 2022-07-08 | 2022-07-08 | Lung ventilation state display method and ventilation equipment |
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| CN202210805767.6A CN115105051A (en) | 2022-07-08 | 2022-07-08 | Lung ventilation state display method and ventilation equipment |
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