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WO2020037599A1 - Dispositif médical, procédé et appareil de surveillance d'épisodes d'apnée - Google Patents

Dispositif médical, procédé et appareil de surveillance d'épisodes d'apnée Download PDF

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Publication number
WO2020037599A1
WO2020037599A1 PCT/CN2018/101938 CN2018101938W WO2020037599A1 WO 2020037599 A1 WO2020037599 A1 WO 2020037599A1 CN 2018101938 W CN2018101938 W CN 2018101938W WO 2020037599 A1 WO2020037599 A1 WO 2020037599A1
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WIPO (PCT)
Prior art keywords
apnea
event
duration
parameter
threshold
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PCT/CN2018/101938
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English (en)
Chinese (zh)
Inventor
谈琳
姚祖明
袁微微
李新胜
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Shenzhen Mindray Bio Medical Electronics Co Ltd
Shenzhen Mindray Scientific Co Ltd
Original Assignee
Shenzhen Mindray Bio Medical Electronics Co Ltd
Shenzhen Mindray Scientific Co Ltd
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Application filed by Shenzhen Mindray Bio Medical Electronics Co Ltd, Shenzhen Mindray Scientific Co Ltd filed Critical Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority to CN201880095785.1A priority Critical patent/CN112638249B/zh
Priority to PCT/CN2018/101938 priority patent/WO2020037599A1/fr
Publication of WO2020037599A1 publication Critical patent/WO2020037599A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Measuring devices for evaluating the respiratory organs

Definitions

  • the present application relates to the technical field of medical equipment, and more particularly, to a medical equipment, a method and a device for monitoring an apnea event.
  • Apnea manifested as the patient's spontaneous respiratory arrest, if not treated in time may cause more serious harm to the patient.
  • Apnea monitoring is common in the monitoring of newborns. Specifically, newborns, especially premature babies, often suffer from apnea due to insufficient development of various organs. The younger the child's gestational age, the higher the rate and frequency of apnea problems. Prolonged apnea can lead to insufficient oxygen supply to children's organs and tissues, directly threatening the life and health of children.
  • the clinical medical staff attaches great importance to the apnea of the newborn, and the monitor is usually used to monitor the newborn's breathing in the monitoring.
  • the present application provides a method for monitoring apnea events, including:
  • the monitoring interface including a dedicated display area for an apnea event, and a display area for displaying real-time data of the at least one physiological sign parameter;
  • a display is output in the dedicated display area.
  • an apnea event monitoring device including:
  • the real-time data acquisition module obtains real-time data of at least one physiological sign parameter of the target object, and the real-time data of the at least one physiological sign parameter is obtained through at least one physiological parameter sensor;
  • a display module that provides a monitoring interface that includes a dedicated display area for an apnea event and a display area for displaying real-time data of the at least one physiological sign parameter;
  • a target physiological sign parameter acquisition module which obtains a target physiological sign parameter related to an apnea event of the target object from the at least one physiological sign parameter;
  • a recognition module for identifying an apnea event from real-time data of a target physiological sign parameter
  • the output module outputs a display in the dedicated display area according to a recognition result of the apnea event.
  • this application provides a medical device, including:
  • At least one physiological parameter sensor to obtain real-time data of at least one physiological sign parameter of the target object
  • a display providing a monitoring interface, the monitoring interface including a dedicated display area for an apnea event, and a display area for displaying real-time data of the at least one physiological sign parameter;
  • a processor obtaining a target physiological sign parameter related to the apnea event from the at least one physiological sign parameter; identifying an apnea event from real-time data of the target physiological sign parameter; and according to a recognition result of the apnea event And output display in the dedicated display area.
  • the present application provides a readable storage medium having stored thereon a computer program that implements the above-mentioned apnea event monitoring method when executed by a processor.
  • the present application provides a method for monitoring an apnea event, including:
  • the occurrence of an apnea event is identified from the real-time data of the target physiological sign parameters.
  • FIG. 1 is a flowchart of a method for monitoring an apnea event
  • FIG. 2 is an example diagram of a monitoring interface
  • 3A-3B are example diagrams of a parameter setting interface for an apnea event
  • FIGS 4A-4B and 5A-5F are examples of monitoring interfaces
  • 5G is an example diagram of a review interface
  • 6A-6D are example diagrams of a marking interface
  • FIGS. 7A-7C are examples of monitoring interfaces
  • FIG. 8 is a schematic structural diagram of an apnea event monitoring device
  • FIG. 9 is a schematic structural diagram of a medical device.
  • Current monitors can monitor the breathing of newborns. Specifically, the real-time waveforms of heart rate and heart rate, real-time waveforms of blood oxygen-related parameters, real-time values of blood oxygen-related parameters, real-time waveforms of breathing and breathing Real-time frequency values, etc. If the monitor finds the apnea of the detected child, an alarm message pops up at the top of the respiratory oxygenation monitoring interface, accompanied by an audible alarm.
  • the medical equipment referred to in this application may not only be a monitor, but also a device that can be used for monitoring vital signs such as a invasive / non-invasive ventilator.
  • the following embodiments are mainly described by taking a monitor as an example.
  • FIG. 1 shows a flowchart of a method for monitoring an apnea event provided by the present application. This method can be applied to various medical equipment, such as monitors, ventilators, and the like.
  • the monitored objects can be various types of objects such as newborns.
  • the process specifically includes steps 1.1-1.5.
  • Step 1.1 Obtain real-time data of at least one physiological sign parameter of the target object through at least one physiological parameter sensor. It should be noted that the real-time data mentioned in the application to be applied may be data obtained by continuous measurement by a physiological parameter sensor, or data measured at certain time intervals.
  • the target object is not limited to newborns, but also other types of monitored objects.
  • the physiological sign parameters should also include at least the physiological sign parameters related to apnea, such as heart rate, pulse rate, blood oxygen related parameters, Respiratory rate, etc.
  • the duration of apnea can be determined based on the breathing rate.
  • the acquired physical parameter parameters are basic data and are used to determine whether an apnea event can be triggered. Of course, in other embodiments, it is not excluded that other physiological parameters are taken into consideration when determining the apnea event.
  • the physiological sign parameters collected by the sensor can be sent to the storage module of the monitor for storage. These basic data can be used as analysis data to analyze various respiratory events such as apnea events and respiratory oxygenation events in apnea-related states. . That is to say, the physiological sign parameters may be that the sensor stores the physiological sign parameters in a storage module of the monitor, and this application obtains them from the storage module again. Of course, physiological parameters can also be obtained directly from the sensor.
  • the apnea event monitoring method provided in this application can be applied not only to bedside equipment, but also to a central station.
  • the physiological sign parameters are obtained through accessory devices of various physiological parameters;
  • the central station obtains real-time data of the physiological sign parameters from the bedside device through the network.
  • Step 1.2 Provide a monitoring interface.
  • the monitoring interface includes a dedicated display area for apnea events and a display area for displaying real-time data of at least one physiological sign parameter.
  • the monitoring interface may be the main monitoring interface on the display of the medical device. After the real-time data of the physiological sign parameters are displayed on the main monitoring interface, at least the real-time waveforms and / or values of the physiological sign parameters are included.
  • the dedicated display area for the apnea event may be an area embedded in the monitoring interface, or a window area suspended on the monitoring interface.
  • the position, shape, display, and status attributes of the dedicated display area can be adjusted.
  • the position attribute of the dedicated display area refers to the display position of the dedicated display area on the main monitoring interface; the shape attributes of the dedicated display area include the shape style, size, etc.
  • the shape can be various, such as rectangle, circle, heart Shape, etc .
  • the display attributes of the dedicated display area refer to all or part of the display area's color, brightness, contrast and other attribute information
  • the status attributes of the dedicated display area include visible or invisible attributes, embedded in the monitoring interface or suspended in the monitoring interface and many more.
  • the recognition result may include the apnea event type, event priority, event risk, attention content corresponding to the apnea event, etc., by adjusting the shape attributes and display attributes of the dedicated display area
  • the dedicated display area belongs to a sub-area in the monitoring interface, that is, the dedicated display area is embedded in the monitoring interface, and is displayed following the display of the monitoring interface, and disappears following the disappearance of the monitoring interface.
  • the dedicated display area also has independent control buttons for opening and closing.
  • the open button is triggered, the state attributes of the dedicated display area can be switched, so that the dedicated display area is displayed at a certain position on the monitoring interface.
  • the close button is triggered, the state attributes of the dedicated display area can be switched so that the dedicated display area disappears from the monitoring interface.
  • the dedicated display area when the dedicated display area is closed, if it is detected that an apnea event is triggered, the state attributes of the dedicated display area can be switched so that the dedicated display area is automatically displayed as a reminder.
  • the dedicated display area does not limit the position of the area in the monitoring interface. It can be movable. For example, the position attribute of the dedicated display area can be adjusted according to the sliding track of the touch operation to make the dedicated display area. The display can be moved with touch operation.
  • the dedicated display area can be used to reflect the breathing event situation related to the apnea event. In order to facilitate understanding, the relevant knowledge of the apnea event will be explained first.
  • Step 1.3 Obtain a target physiological sign parameter of the target object related to the apnea event from the at least one physiological sign parameter.
  • Target physiological signs parameters are parameters related to apnea events, such as duration of apnea duration, blood oxygen saturation, heart rate, pulse rate, and the like.
  • Step 1.4 Identify apnea events from real-time data of target physiological signs parameters.
  • apnea identification criteria are low, for example, mild breathing events such as periodic breathing are also recognized as apnea events, frequent alarms will occur, causing medical staff to frequently initiate emergency procedures and waste medical resources.
  • apnea apnea .
  • the duration of apnea is determined as one of the apnea events.
  • Main consideration parameters Studies have also found that in the process of apnea, it is often accompanied by symptoms of hypoxemia or bradycardia. Therefore, blood oxygen saturation value and heart rate (of course, pulse rate) can be used as two other important parameters for apnea events.
  • severe apnea events usually last longer than 20 seconds, or the duration of apnea exceeds 10 seconds with an oxygen saturation value of less than 80%, or the duration of apnea exceeds 10 seconds and is accompanied by Have a heart rate below 100bpm (Beat, Minute, beats per minute).
  • a threshold value of a physiological sign parameter of the apnea event is set.
  • the above values may also be other values set according to actual monitoring requirements, which are not specifically limited in this application.
  • the target physiological signs parameters related to the apnea event can include three parameters, namely the duration of apnea, the value of blood oxygen saturation, and the heart rate (or pulse rate, because the pulse rate and the heart rate usually indicate the same physiology State, this embodiment can be described with heart rate), and these physiological sign parameters have respective corresponding thresholds.
  • the parameters meet the above-mentioned determination conditions, it indicates that an apnea event has occurred.
  • a new method for monitoring apnea events is also adopted, as shown below.
  • real-time data of a target physiological sign parameter of the target object is obtained, and the real-time data of the target physiological sign parameter is obtained through at least one physiological parameter sensor;
  • the target physiological parameter may include at least one or more of a breathing rate, a pulse rate, and a blood oxygen-related parameter.
  • the process of identifying the occurrence of an apnea event from real-time data of a target physiological sign parameter based on the identification of the apnea duration includes: determining the duration of the apnea duration based on the recognition result of the apnea duration.
  • an apnea event is deemed to have occurred: the duration of the apnea duration reached the first duration threshold; the duration of the apnea duration reached the second duration threshold; and blood was present within the duration of the apnea duration Occurrence of oxygen-related parameters below the blood oxygen-related parameter threshold; apnea duration reaches the second duration threshold, and the presence of a heart rate below the heart rate threshold during the apnea duration occurs; apnea duration reaches the second duration threshold And a pulse rate below the pulse rate threshold occurred during the duration of the apnea.
  • the determination condition includes that the duration of apnea duration reaches the second duration threshold, and that blood oxygen related parameters are lower than the blood oxygen related parameter threshold and the heart rate are lower than A heart rate threshold (or pulse rate below the pulse rate threshold) occurs.
  • the first duration threshold can be set to 20 seconds
  • the second duration threshold can be set to 10 seconds
  • the blood oxygen related parameter threshold can be set to 80%
  • the heart rate threshold and pulse rate threshold can be set to 100 bpm.
  • the first duration threshold, the second duration threshold, the blood oxygen related parameter threshold, the heart rate threshold, and the pulse rate threshold may be set by the user to other values according to actual conditions.
  • the occurrence of an apnea event is identified from real-time data of a target physiological sign parameter based on the recognition of apnea duration, including:
  • an event segment including at least one apnea duration is obtained from real-time data of a target physiological sign parameter.
  • An event segment includes real-time data of physiological sign parameters within a preset statistical duration range.
  • the statistical duration here may be 3 minutes, 4 minutes, and so on.
  • An event segment includes the first time period before the apnea trigger time point and the second time period after the apnea trigger time point (usually, the second time period is greater than the duration of the apnea duration; in some cases, it is possible The apnea is not actually ended, and the event segment has ended, that is, the second time period is less than the duration of the apnea duration.); Or, an event segment includes a time period including the duration of the apnea duration from the time when the apnea triggers.
  • the first time period and the second time period refer to the relevant positions herein.
  • the apnea trigger time point is: the time point at which the apnea is detected from the real-time data of the target physiological sign parameters; or the time point at which the apnea continues to pass the second duration threshold value from the real-time data of the target physiological sign parameters; Or, a time point at which any one of the heart rate, pulse rate, and blood oxygen related parameter values is lower than the corresponding preset threshold value is detected from the real-time data of the target physiological sign parameters.
  • the maximum value of the target physiological sign parameters is determined.
  • the maximum value of the target physiological signs parameter is output.
  • the maximum value of the duration of apnea duration is displayed: the maximum value of the duration of apnea duration, and the duration of apnea duration. The lowest value of blood oxygen-related parameters during the duration, the lowest value of heart rate or pulse rate during the duration of apnea.
  • the blood oxygen related parameters mentioned in this article can be: blood oxygen saturation, oximetry wave, rSO2 tissue oxygen saturation, SaO2 arterial oxygen saturation, and percutaneous blood oxygen parameters.
  • blood oxygen related parameters can be used to achieve the purpose of the present invention: pO2 partial pressure of oxygen, pulse variation index (PVi), total hemoglobin (SpHb), methemoglobin (SpMet), carbon oxygen Hemoglobin (SpCO), Total Oxygen Content (SpOC), Oxygen Reserve Index (ORi), Spirometry (RRp).
  • blood oxygen saturation is used as a preferred embodiment for specific description.
  • Step 1.5 According to the recognition result of the apnea event, output and display in the dedicated display area.
  • steps 1.4-1.5 may include: determining an apnea event segment that meets a determination condition of an apnea event from real-time data of a target physiological sign parameter; and based on the corresponding The data determines the content of interest, and the content of interest is output and displayed in a dedicated display area.
  • FIG. 2 shows an example of a monitoring interface generated by applying the monitoring method provided by this embodiment.
  • the monitoring interface includes a dedicated display area, and parts other than the dedicated display area in the monitoring interface are represented by oblique lines to display real-time data of physiological sign parameters.
  • the dedicated display area is used to reflect the relevant situation of the apnea event.
  • the content of interest is displayed in the dedicated display area. By observing the content of interest in the dedicated display area, the medical staff can determine whether the target object has an apnea event and the apnea. What was the severity of the incident.
  • the target physiological sign parameters are analyzed to obtain the attention content corresponding to the data content.
  • the information displayed in the dedicated display area is information related to the apnea event that medical personnel are more concerned about. Therefore, this information is referred to as the content of interest in the embodiments of the present application.
  • the display form (style, content, etc.) of the content of interest in different situations is different. According to the display style of the content of interest, it can be clear whether an apnea event has occurred, and information about the apnea event.
  • the data content that the medical staff pays more attention to can reflect the severity of the apnea event to a certain extent. Therefore, it can be considered that the attention content in this case is used to indicate the serious situation of the apnea event.
  • the reflection of the content of attention on the severity of apnea events is an objective reflection and meets people's objective cognitive standards. For example, in an apnea event, if the target's heart rate or pulse rate is lower, the objective perception is that the apnea event is more serious, so the content of interest may include the lowest value of the event segment center rate.
  • an apnea event if the target's blood oxygen saturation value is lower, it is also considered objectively that the apnea event is more serious, so the content of interest may include the lowest blood oxygen saturation value in the event segment. value.
  • the target object's apnea duration is longer, it is also considered objectively that the apnea event is more serious, so the content of attention may include the maximum value of the apnea duration in the event segment. .
  • a preset content may be taken as the attention content, wherein the preset content is a content that can indicate that no apnea event has occurred.
  • the preset content may be empty or the word "normal".
  • the attention content has two states.
  • the dedicated display area is a display area that can switch between two states. If no apnea event occurs, the attention content in the area is displayed in a form. If an apnea event occurs, the content in the area is displayed. Content is shown in another form.
  • a background color can be set for the dedicated display area. In the event of an apnea event, the background color is flashed in reverse to display the warning.
  • the apnea event monitoring method can provide a dedicated display area in the monitoring interface, and determine the content of interest based on the data corresponding to the apnea event segment.
  • the content of interest can reflect the apnea event. Severity, the content of interest is displayed in a dedicated display area. Therefore, the medical staff can directly observe the content of interest in a dedicated display area in the interface to determine whether an apnea event has occurred and understand the seriousness of the apnea event of the monitored subject.
  • an alarm bar is displayed above the respiratory oxygenation interface.
  • the alarm bar is only to remind the medical staff that an emergency event has occurred. Based on this idea, the alarm bar is a rectangular reminder area. Can write text such as alarm, apnea event.
  • the alarm bar is placed on the top of the monitor so as not to affect the display of the breathing waveform and breathing rate in the main interface.
  • This prompting method is not obvious and direct enough to provide medical staff with more information about apnea events, which medical staff need to obtain through other methods. For example, you need to calculate the duration of apnea by observing the straightening time of the breathing waveform at the bedside, or look at the data of the breathing trend table to find the lowest value of blood oxygen saturation value and the lowest value of heart rate. It can be seen that the current apnea oxygenation interface cannot display various attention values that can reflect the severity of the apnea event, and the medical staff cannot directly determine the severity of the apnea event from the current apnea oxygenation interface.
  • the monitoring method provided in this application is a dedicated display area in the monitoring interface for apnea events to distinguish it from other alarm events, and the dedicated display area
  • the information shown in this article can provide medical personnel with direct reference information for ambulance, making the processing of apnea events faster and more efficient.
  • the apnea event monitoring method further includes: identifying an alarm event from real-time data of at least one physiological sign parameter, and the alarm event includes an alarm event based on a single physiological sign parameter, and / or based on two or more physiological signs Combined alarm event of physical sign parameters; the alarm event is displayed in a display area other than the dedicated display area on the monitoring interface.
  • the display area of the alarm event may be the above-mentioned alarm bar area.
  • the determination condition of the apnea event is: the duration of the apnea duration reaches a first duration threshold; or, the duration of the apnea duration reaches a second duration threshold, and there is an existence within the duration of the apnea duration Occurrence of blood oxygen-related parameters below the blood oxygen-related parameter threshold occurs; or, apnea duration reaches a second duration threshold and a heart rate falls below the heart rate threshold within the duration of apnea duration; or, duration of apnea duration A second duration threshold was reached and a pulse rate below the pulse rate threshold occurred during the duration of the apnea.
  • the first duration threshold is greater than the second duration threshold.
  • the first duration threshold can be set to 20 seconds
  • the second duration threshold can be set to 10 seconds
  • the blood oxygen saturation threshold can be set to 80%
  • the heart rate threshold and pulse rate threshold can be set to 100 bpm.
  • the first duration threshold, the second duration threshold, the blood oxygen saturation threshold, the heart rate threshold, and the pulse rate threshold may be set by the user to other values according to actual conditions.
  • a pair of apnea event parameter setting interfaces may be provided, and the setting interface includes physiological sign parameter setting controls and parameter threshold settings. Controls to flexibly set physiological signs parameters and parameter thresholds related to apnea events.
  • a parameter setting interface of the apnea event is shown in FIG. 3A, and includes a physiological sign parameter setting area 301 and a statistical time setting area 302.
  • the physiological sign parameter setting area 301 includes: a heart rate (HR) setting, a blood oxygen saturation (SpO2) setting, and an apnea setting.
  • HR heart rate
  • SpO2 blood oxygen saturation
  • apnea setting mainly involves apnea Duration threshold setting control.
  • the duration is set to 10s (seconds) as shown in FIG. 3A.
  • the duration of time is set to 0s (seconds) as shown in FIG. 3A.
  • the apnea duration threshold can be entered in the apnea duration threshold setting control, as shown in FIG. 3A and set to 10s (seconds).
  • the significance of setting the duration of the heart rate threshold and the duration of the blood oxygen saturation threshold is that in clinical cases, the monitoring value of a patient, such as a newborn, is instantly lowered and returned to normal. To avoid unnecessary alarms, use the duration As a triggering sub-condition, that is, not only can the target physiological signs parameter reach a threshold value, but also it can be further required that it lasts for a certain period of time before an apnea event can be triggered.
  • the determination condition may include one physiological sign parameter or a combination of multiple physiological sign parameters.
  • the heart rate threshold reaches 100 bpm and the heart rate threshold lasts for 10 seconds and can trigger an apnea event; for example, the apnea duration reaches 10 seconds and the heart rate threshold reaches 100 and the heart rate threshold persists for 10 seconds; another example , The duration of apnea reaches 10 seconds, and the blood oxygen saturation value is less than 80%; and so on.
  • the determination condition further includes that the duration of the blood oxygen saturation value being lower than the blood oxygen saturation threshold exceeds a preset duration; in On the basis that the heart rate is below the heart rate threshold, the determination condition also includes that the duration of the heart rate is below the heart rate threshold exceeds a preset duration; on the basis that the pulse rate is below the pulse rate threshold, the determination condition also includes that the pulse rate is below the pulse rate threshold The duration exceeds the preset duration.
  • the apnea event segment includes a first time period before the apnea trigger time point and a second time period after the apnea trigger time point.
  • the value of the statistical duration can be set in the statistical duration setting area 302, which can be set to 2 minutes (minutes) plus 2 minutes.
  • the two parts are added together.
  • the length of the previous part indicates the first time period before the apnea trigger, and the latter part indicates the second time period after the apnea trigger.
  • the statistical duration of the apnea event segment is 4 minutes, which is a reasonable duration.
  • the value can be other, and the form is not limited to 2 + 2, and can also be 1 + 3 or 3 + 1. Wait.
  • the statistical time of the apnea event segment includes or partially includes the period of time during which the apnea lasts.
  • the significance of setting the statistical duration is that the thresholds of the physiological signs parameters that trigger apnea, such as the heart rate threshold and / or the blood oxygen saturation threshold, the values of the physiological signs parameters are continuous, and the maximum value can only be determined from a limited number of values Therefore, a statistical time setting area is set in this interface to set the length of time to be counted. The number of statistics in this time is limited. In these limited data, the maximum value of the physiological sign parameters can be determined.
  • the physiological sign parameter may be associated with the apnea-related state, and is used to trigger the apnea-related state corresponding to the physiological sign parameter.
  • the heart rate threshold can be associated with bradycardia, extreme bradycardia, or low heart rate
  • the blood oxygen saturation threshold can be associated with a hypoxemia limit
  • the duration of apnea duration can be associated with delayed apnea and delayed breathing asphyxia.
  • bradycardia may be considered to occur; if the heart rate threshold is set to 80 bpm and the heart rate value reaches (refer to below) 80 bpm, you can It is thought that extreme bradycardia has occurred.
  • the determination condition of the apnea event includes detecting an alarm event in which the apnea duration reaches a first duration threshold; or, detecting that the apnea duration reaches a second duration threshold, And there is an alarm event that the blood oxygen related parameter is lower than the blood oxygen related parameter threshold during the duration of the apnea duration; or, it is detected that the duration of the apnea duration reaches the second duration threshold and the heart rate is lower than the heart rate threshold during the duration of the apnea Or an alarm event in which the apnea duration reaches a second duration threshold and a pulse rate below the pulse rate threshold is detected within the apnea duration.
  • the apnea trigger time point is: the start time point of the apnea event is detected from the real-time data of the target physiological sign parameter; or, the apnea event is detected from the real-time data of the target physiological sign parameter to continue the apnea event.
  • the time point of the second duration threshold is: the start time point of the apnea event is detected from the real-time data of the target physiological sign parameter; or, the apnea event is detected from the real-time data of the target physiological sign parameter to continue the apnea event.
  • Respiratory alarm events may include bradycardia alarms, hypoxemia limit alarms, apnea delay alarms, and the like.
  • a physiological sign parameter setting area 311 and a statistical duration setting area 312 are included.
  • this interface is different in that the physiological sign parameter setting control is replaced with an apnea-related state setting control.
  • the setting control of the heart rate threshold value is replaced by the setting control of the heartbeat state, and the heartbeat state can be set to bradycardia, extreme bradycardia, or low heart rate, etc., as shown in FIG. 3B, set to bradycardia; for example, blood oxygen
  • the saturation threshold setting control is replaced with a blood oxygen saturation state setting control.
  • the blood oxygen saturation state can be set to a low blood oxygen saturation limit; for another example, the apnea duration setting control is replaced with an apnea state setting.
  • Control as shown in Figure 3B, the apnea state can be set to apnea.
  • the following specifically explains how to determine the content of interest based on the physiological sign parameter and how to display the content of interest when the physiological sign parameter can trigger an apnea event.
  • the specific ways to determine the content of attention based on these physiological sign parameters include:
  • physiological sign parameters include the duration of apnea, determine the maximum value of the duration of apnea in the event segment;
  • physiological sign parameters include the blood oxygen saturation value, determine the lowest value of the blood oxygen saturation value in the event segment;
  • the lowest value of the event segment center rate is determined.
  • the statistical time that is, the event segment described above.
  • the value obtained within this limited time is limited. Only in the limited data can the physiological sign parameter be determined. Best value.
  • the length of the statistics duration can be preset, such as 4 minutes.
  • the respective durations of the apnea duration in the event segment are compared to determine the maximum value; of course, generally, there is only one apnea duration interval in an event segment. In the same way, the maximum values of blood oxygen saturation value and heart rate in an event segment can be determined. Therefore, in the process of identifying an apnea event, an event segment including at least one duration of the apnea duration needs to be identified.
  • the content of interest is displayed in a dedicated display area.
  • the content of interest includes the three types of the above-mentioned values
  • a display method of the dedicated display area is shown in FIG. 4A, and the three content of interest are displayed in the same area.
  • the patent display area 401 includes: apnea of 23 seconds, a minimum heart rate of 60 bpm, and a minimum blood oxygen level of 78%.
  • apnea is an abbreviation of the maximum value of the duration of apnea
  • the lowest blood oxygen is the abbreviation of the lowest value of the blood oxygen saturation value.
  • Apnea apnea
  • Desaturation low oxygen saturation
  • Bradycardia bradycardia
  • the above three physiological parameters of the apnea event are the parameters that are most concerned by medical staff. Therefore, in the dedicated display area, compared with the lowest value of blood oxygen saturation value and the lowest heart rate Value to show the maximum value of apnea duration in a more prominent style.
  • the highlighted style may be the foremost display position, the font is bold, and the font is large.
  • the highlighting style is not limited to the manner shown in FIG. 4A, and may be other types such as adding a background color, different font colors, highlighting, flickering, and the like.
  • One display method of the dedicated display area is to display the three attention contents in three different sub-areas. That is, in the dedicated display area, sub-areas corresponding to the duration of apnea duration, blood oxygen saturation value, and heart rate are determined; and in each sub-area, the maximum value of duration of apnea duration, blood oxygen saturation value is displayed, respectively. And minimum heart rate.
  • the dedicated display area 411 includes three sub-areas, which respectively display: apnea of 23 seconds, a minimum heart rate of 60 bpm, and a minimum of blood oxygen of 78%.
  • the value can be displayed in a larger font, and a highlighting style such as a shading can be set.
  • the duration of the minimum heart rate value can also be obtained and included in the attention content and displayed in the display area. As shown in FIG. 4B, after the minimum heart rate of 60 bpm, 14 seconds may be included to indicate that the minimum heart rate value of 60 bpm lasted for 14 seconds.
  • the apnea event segment includes a period of time including the duration of the apnea from the apnea trigger time point.
  • the monitoring interface may also include statistical results of apnea events that occurred during the historical time period.
  • the respiratory oxygenation event is obtained from the real-time data of the target physiological sign parameters, the respiratory oxygenation event does not include the apnea event; the type of the respiratory event is determined according to the apnea event and the respiratory oxygenation event; and the type of the respiratory event is recorded.
  • respiratory events include apnea events and respiratory oxygenation events.
  • the respiratory event may include a respiratory oxygenation event in addition to an apnea event.
  • a respiratory oxygenation event in addition to an apnea event.
  • the apnea event is more serious.
  • the respiratory oxygenation event is slightly less severe than the apnea event, but medical personnel still need to be warned for their attention. Therefore, in one of the embodiments, the type of the respiratory event mentioned herein may be used to distinguish whether the occurring respiratory event is an apnea event or a respiratory oxygenation event.
  • apnea events Compared with respiratory oxygenation events, apnea events have relatively strict determination conditions, which can be reflected in the fact that there are many types of physiological signs parameters or strict parameter thresholds for triggering events.
  • a respiratory event involves three physiological sign parameters, namely duration of apnea, blood oxygen saturation, and heart rate.
  • Apnea (or simply A) can be used to represent the duration of apnea
  • Desaturation (or simply D) can be used to represent blood.
  • Oxygen saturation, Bradycardia (or B for short) represents heart rate.
  • the determination condition of the apnea event may be any one of ABD, AB, AD, and A
  • the determination condition of the respiratory oxygenation event may be any one of BD, B, and D.
  • the types of respiratory events are distinguished based on different types of alarm events corresponding to different target physiological sign parameters.
  • a type A event indicates an alarm event about the duration of apnea, such as the duration of the apnea exceeds a corresponding threshold
  • a type B event indicates an alarm event about the heart rate and / or pulse rate, such as the heart rate and / or pulse rate is below the corresponding threshold
  • Type D events indicate alarm events related to blood oxygen saturation, for example, blood oxygen saturation is lower than the corresponding threshold
  • Type AB events indicate that type A events and type B events have occurred simultaneously; Type event, type D event; AB event indicates that type A event and type B event occur simultaneously; AD event indicates that type A event and type D event occur simultaneously, and BD event indicates that type D event and type B event occur simultaneously; etc. Wait.
  • the determination of which physiological sign parameter includes the value of which physiological sign parameter has reached the corresponding parameter threshold if the determination condition includes multiple physiological sign parameters, it means that the request is triggered when a respiratory event is triggered The multiple physiological signs parameters simultaneously reach the corresponding parameter thresholds.
  • a respiratory event corresponding to the condition is triggered, and the respiratory event is an apnea event or a respiratory oxygenation event.
  • the type of the breathing event is determined as AB.
  • the duration of the apnea duration A and the blood oxygen saturation D simultaneously satisfy the determination condition, then the type of the respiratory event is determined as AD.
  • the blood oxygen saturation D meets the determination condition, and the type of the respiratory event is determined as D.
  • a record can be saved.
  • the type of recorded respiratory event can be used for subsequent statistical display.
  • the method for monitoring an apnea event further includes: obtaining an apnea event that occurs within a historical period of a preset duration; providing an event list area in a monitoring interface, and displaying the apnea in the event list area A list of events.
  • the apnea event monitoring method further includes: obtaining a respiratory oxygenation event occurring within a historical period of a preset duration; and displaying a list of respiratory oxygenation events in the event list area.
  • the respiratory event occurred by the target object will be recorded.
  • the time of occurrence of the respiratory event is also recorded, and the time of occurrence is used as an attribute of the respiratory event.
  • an area can be added to the monitoring interface, which contains the respiratory events of the target object within a preset period of time.
  • the breathing events in the area can be arranged in the order of the occurrence time point, or in reverse order.
  • this area may be referred to as an event list area.
  • a form of the preset time period is a historical time period of a preset length before the current time point, for example, in the past 24 hours.
  • the respiratory events may include apnea events or respiratory oxygenation events. Due to the different severity of respiratory problems represented by different types of respiratory events, for the convenience of medical personnel to distinguish, Use different display styles to display apnea events and respiratory oxygenation events, respectively. Among them, different display styles may include, but are not limited to, color, font, font thickness, whether italic, whether to add an underline, whether to add an identification symbol, and the like.
  • the respiratory event displayed in the event list area may include the type of the respiratory event, the occurrence time point, the maximum value of the included physiological sign parameters, and the like.
  • the monitoring interface may further include an event list area 502.
  • the event list area 502 contains breathing events that occurred in the past 24 hours, which are:
  • the ABD breathing event at 09:30 where the longest value of apnea duration A is 12 seconds, the lowest value of heart rate B is 91 bpm, and the lowest value of blood oxygen saturation D is 79%;
  • an AB breathing event occurred, in which the longest duration of apnea duration A was 17 seconds and the lowest value of heart rate B was 82 bpm;
  • the lowest value of the central rate B is 91 bpm, and the lowest value of the blood oxygen saturation D is 85%.
  • the maximum value of the physiological sign parameters is calculated within a preset statistical duration. If the physiological sign parameters include the duration of the apnea, and after the statistical duration ends, the breathing still appears to be paused, you can A mark such as a plus sign "+” is added after the pause duration value to indicate that the apnea state is continuing. For example, the breathing event A at 08:43 includes a "+" after 21 seconds of apnea duration A.
  • the statistical duration of the respiratory event in FIG. 5A can be set to other values, such as 12 hours, through the setting interface.
  • a touch button may be provided in the event list area 502 to pop up the duration selection interface in response to an instruction input by the user, and in response to the duration selected by the user, the event list area 502 is updated to correspond to the duration selected by the user List of events.
  • the apnea event and the respiratory oxygenation event are distinguished and displayed in different display styles in the event list area.
  • the apnea event monitoring method further includes: obtaining a waveform chart of a target physiological sign parameter; setting a graphic area in the monitoring interface, and displaying the target physiological sign parameter waveform chart in the graphic area.
  • the waveform chart of the heart rate is a heart rate trend chart
  • the blood oxygen saturation waveform chart is a blood oxygen saturation trend chart
  • the apnea-related waveform chart is a compressed breathing waveform chart.
  • the target physiological parameter waveform chart can be refreshed in real time based on the real-time data of the monitored target physiological parameter parameters.
  • the heart rate trend chart can be obtained based on the ECG monitoring results or pulse rate monitoring results; the compressed breathing waveform chart can be based on the impedance breathing monitoring results, or based on the results of exhaled gas monitoring, such as the results of exhaled carbon dioxide monitoring.
  • the monitoring interface includes a dedicated display area 511 and a graphic area 512.
  • the graphic area 512 includes three waveform diagrams, which are a heart rate trend graph, a blood oxygen saturation trend graph, and a compressed breathing waveform graph.
  • the time period corresponding to the waveform graph is 6 minutes.
  • the target physiological sign parameter waveform chart may also include a parameter threshold value for triggering an apnea event.
  • the dashed line in the heart rate trend graph indicates that the heart rate parameter threshold is 100 bpm
  • the dotted line in the blood oxygen saturation trend graph indicates blood oxygen
  • the parameter threshold for saturation is 80%.
  • the region corresponding to the apnea event may also be marked in the target physiological sign parameter waveform diagram.
  • the apnea trigger time point can be marked on the target physiological sign parameter waveform diagram, and / or the apnea event segment can be marked on the target physiological sign parameter waveform diagram.
  • an apnea event is marked, the occurrence time of the apnea event is 9:30, and the monitoring time interval is 1 minute before the time point and 3 minutes after the time point. minute.
  • the way to mark the time point of occurrence includes: a mark line perpendicular to the time axis, and a text prompt time point.
  • the way to mark the monitoring time interval includes adding a background shading to the corresponding time zone in the waveform graph.
  • the monitoring interface may further include an event list area 522 and a graphic area 523.
  • the event list area and the graphic area refer to the description of FIG. 5A and FIG. 5B described above.
  • the English concept in FIG. 5D has the same meaning as the Chinese concept at the corresponding position in FIG. 5C.
  • the monitoring interface may further include a graphic area 532.
  • the dedicated display area is divided into multiple sub-areas, and different sub-areas correspond to different types of physiological sign parameters.
  • the waveform diagram of the physiological sign parameters included in the monitoring interface may be displayed corresponding to the sub-region of the physiological sign parameters.
  • the dedicated display area 531 and the graphics area 532 each include three sub-areas. In order from top to bottom, the three sub-areas respectively represent heart rate, blood oxygen saturation, and duration of apnea.
  • the filling order of the heart rate, blood oxygen saturation, and apnea duration in the three sub-regions is not limited to that shown in FIG. 5E, and may be filled in any one of the sub-regions.
  • the above-mentioned corresponding display mode can facilitate the medical staff to observe and observe the correlation of different physiological signs and parameters.
  • the apnea trigger time point can also be marked on the target physiological sign parameter waveform diagram according to the method of FIG. 5B, and / or, Apnea event segments are marked on the target physiological signs parameter waveform.
  • a method for monitoring an apnea event includes responding to an instruction input by a user (for example, responding to an instruction input by a user through an event list area in a monitoring interface), and displaying an apnea event or a review of an respiratory event interface.
  • the instruction may also be triggered by the user through other touch keys in the monitoring interface, or by the user operating a physical key.
  • the review interface contains detailed information about the respiratory event, such as the respiratory oxygenation chart.
  • Medical staff can review the overall situation of respiratory oxygenation of the child over a period of time through the respiratory oxygenation map.
  • Use the overview of the respiratory oxygenation chart to know the distribution of apnea events and respiratory oxygenation events over a period of time, and the general situation of the lowest value of bradycardia, the lowest value of hypoxemia, and the duration of respiratory arrest (region 542). And, count the number of apnea events and respiratory oxygenation events during this period (area 545). For events that strictly meet the definition of apnea, they are displayed differently from other events, for example, by color (red, yellow), by character thickness, italicized, underlined, and added identification symbols.
  • an event to display the trend and compressed waveform of this respiratory event (area 541), the lowest value of bradycardia, the lowest value of hypoxemia, and the apnea time Maximum value (area 544), as well as manual tagging information for this event and measurements of other parameters measured during this event (area 543).
  • Area 541 displays the stored HR, SpO2 trend graph, and respiratory waveform (eg, impedance breathing compression waveform) of the length of an apnea event segment.
  • Area 544 shows the lowest value (and duration) of bradycardia detected during this event, the lowest value (and duration) of hypoxemia, and the duration of apnea, and the value exceeding the threshold value is reversed with the background color, Or use color accent to distinguish them and display them.
  • Area 543 displays the type and trigger time of this event, as well as the associated information of the manual tagging of this event and measurements of other parameters (such as blood pressure values) during the event.
  • Area 542 displays all apnea events and respiratory oxygenation events over a period of time. This time can be set by the user. Each column is an event. The position of the value indicates that the parameter exceeds the threshold, and the maximum value of the parameter is marked. These events have three states and are distinguished by display: apnea events (red), respiratory oxygenation related parameters (yellow), and events not included in the ABD statistics (white). In addition to color, other states can be used to distinguish these states.
  • the area 545 displays the statistical results of all types of events in a specified period of time, and does not count events that have been marked as not included in the ABD statistics. Similarly, different states are displayed by display.
  • Field 546 provides function buttons for breathing oxygenation map review, including:
  • Set the review window size for example, review breathing events in time intervals such as 24 hours, 12 hours, and 8 hours.
  • FIG. 5G only provides a layout manner of the review interface.
  • the layout of the review interface may be adjusted as needed, and the specific content displayed may also be adjusted as needed.
  • the apnea event monitoring method further includes: in response to an instruction input by the user, providing a marking interface; and storing associated information of the breathing event input by the user through the marking interface.
  • the monitoring interface can provide an entrance to the marking interface, such as the "Mark” icon in Fig. 5D and Fig. 5.
  • the marking interface appears.
  • the labeling interface includes a breathing event display area and a related information area displaying related information of the breathing event, wherein the breathing event display area includes related information of at least one breathing event, and the related information includes a time point of occurrence of the breathing event and an event type.
  • the marker interface includes a respiratory event display area 601, which contains the occurrence event points and event types of respiratory events that occurred in the past 24 hours. If all breathing events cannot be displayed in this area at the same time, you can view the breathing events that are not displayed by touching and swiping. In addition, the breathing events in this area can be shown in turn according to the sequence of occurrence of the events.
  • breathing event display area As shown in Figures 6A and 6B. Assume that the selected breathing event is the first, that is, 9:30. ABD breathing event.
  • Clicking on the breathing event display area can generate setting instructions for the target breathing event. Based on the setting instruction, an associated information area is displayed, where the associated information area contains optional parameter items of the associated information of the respiratory event, and the associated information is information used to assist in determining the severity of the respiratory event.
  • the tagging interface includes an association information area 602, and the content contained in this area is as follows:
  • the optional parameters of skin color include: pink, dusky, cyanotic, mottled, and jaundice.
  • the optional parameters of stimulation include: strong (vigorous), medium (moderate), weak (mild), none (none);
  • Custom optional parameters include: mechanical ventilation (ventilation), feeding (feed).
  • FIG. 6B has the same meaning as the Chinese concept at the corresponding position in FIG. 6A.
  • the reason for selecting this information for recording is that these related parameters can reflect the severity of the respiratory event to a certain extent.
  • the selectable items of correlation information are used to reflect the situation of the target object when the target breathing event occurs. Medical personnel can choose corresponding options based on the information of clinical records at that time.
  • the related information area may also contain another related information and optional items.
  • Associated information also includes attributes that indicate whether a respiratory event is valid or invalid.
  • the apnea event monitoring method further includes: excluding invalid respiratory events from statistical results. As shown in Figures 6A and 6B, that is: statistics of whether to enter ABD events (count into ABD total): Yes or No.
  • FIG. 6C and FIG. 6D show another form of the labeling interface, that is, the respiratory event display area includes only relevant information of the currently occurring respiratory event, and only the related information of the respiratory event is set.
  • the English concept in FIG. 6D has the same meaning as the Chinese concept at the corresponding position in FIG. 6C.
  • FIG. 6A For other contents in the two illustrations, reference may be made to the description in FIG. 6A described above, and details are not described herein.
  • FIGS. 6A-6D may further include cancel and save buttons to respectively: cancel the mark interface and save the associated information in the setting area.
  • the content of medical personnel's attention to the physical sign parameters is the occurrence time of the apnea event triggered by the physiological sign parameters, and the occurrence time point is displayed as the attention content in the monitoring interface intuitively.
  • At least the time during which the apnea duration reaches the second duration threshold is output in the dedicated display area.
  • FIG. 7A An example of the monitoring interface corresponding to this embodiment is shown in FIG. 7A.
  • the monitoring interface includes a dedicated display area 701. Assuming that the occurrence time of an apnea event is 9:30, the words "9:30" and "apnea” are displayed in this area. In order to make the prompt more conspicuous, so that the medical staff can see the prompt at a long distance, the text can be highlighted, and the background color can be added to the text.
  • the monitoring interface may further include a graphic area 712.
  • the graphic area 712 displays a waveform diagram of the physiological sign parameters related to the apnea event. It should be noted that the English concept in FIG. 7C has the same meaning as the Chinese concept at the corresponding position in FIG. 7B.
  • the occurrence time point of the apnea event is displayed in the dedicated display area 711, and the maximum value of the physiological sign parameter is marked in the physiological sign parameter waveform diagram of the graphic area 712.
  • the lowest value of the apnea event center rate is 83 bpm in the heart rate trend chart
  • the lowest value of 51% of the oxygen saturation is marked in the blood oxygen saturation trend chart
  • the apnea is marked in the compression breathing waveform chart.
  • the maximum duration is 24 seconds.
  • a portion filled with diagonal lines may include a “mark” icon, that is, a “mark” icon shown in FIG. 7C.
  • a pop-up tag interface can be triggered, and related information of the breathing event can be input according to the user's operation on the tag interface.
  • the attention content in the dedicated display area can be automatically cleared, that is, if the physiological sign parameters return to the normal range, the displayed attention content is cleared. It should be noted that in this case, the content of attention indicating that an apnea event has occurred is cleared, and the content of attention indicating that no apnea event has occurred may be displayed, such as "normal".
  • the content of interest in the display area may continue to be displayed until the user manually clears it. Specifically, in response to the cancel display operation triggered by the user, the displayed attention content is cleared.
  • the application scenario of this method is that if the medical staff finds that the apnea event is not serious or handles the apnea event through rescue measures, the medical staff can manually operate the clear button to remove the attention content from the dedicated display area. delete.
  • the dedicated display area displaying the content of interest may be closed.
  • the dedicated display area displays the attention content of the latest apnea event.
  • notification information may be output.
  • the specific form of the notification information is to display a monitoring interface including a dedicated display area, and display the attention content used to indicate that an apnea event has occurred in the dedicated display area.
  • the specific form of the notification information is an audible alarm prompt tone and / or an alarm prompt bar.
  • the two above-mentioned implementation manners may be combined for prompting.
  • the processor may further perform the following steps:
  • the processor performs one of the following steps based on the automatically recognized apnea trigger time:
  • the apnea trigger time point is marked on the target physiological sign parameter waveform diagram by marking a vertical line at 9:30.
  • the time point at which the lowest value of the target physiological sign parameter occurred on the target physiological sign parameter waveform chart is indicated by the positions of the marks 83, 51, and 24S in FIG. 7B.
  • the trigger of output display apnea in the dedicated display area can be characterized by marking 9:30 apnea.
  • an event segment including an apnea trigger time point is also marked on the target physiological sign parameter waveform chart.
  • an event segment including an apnea trigger time point marked on the target physiological sign parameter waveform diagram is represented by marking a shaded area containing a vertical line of 9:30.
  • the process of outputting the trigger of displaying apnea in the aforementioned dedicated display area includes:
  • the event segment containing the apnea trigger time point is also marked on the target physiological sign parameter waveform chart to form an apnea event segment
  • the attention content corresponding to the aforementioned apnea event segment is output and displayed in the aforementioned dedicated display area; wherein, the marker area of the event segment gradually changes with time until the second time period elapses from the apnea trigger time point,
  • Each event segment contains at least one apnea duration.
  • the corresponding event segment can also be marked on the waveform chart.
  • the apnea trigger time point is automatically identified from the real-time data of the target physiological sign parameters, and the apnea trigger time point is marked on the waveform chart.
  • the apnea trigger can also be displayed in a dedicated display area. .
  • the event fragment containing the apnea trigger time point is marked on the target physiological sign parameter waveform diagram, and the area of the event fragment with the change of time gradually increases.
  • the event segment is recorded as an apnea event segment.
  • the content of interest is obtained based on the real-time data corresponding to the apnea event segment.
  • the content of attention of the apnea event is displayed in the aforementioned dedicated display area.
  • this embodiment provides a new main monitoring interface that can be used for apnea monitoring as the main core element, providing users with convenient conditions to avoid the apnea alarm events for newborns from being covered by numerous other alarm events, and Cause neglect, resulting in irreparable losses.
  • FIG. 8 shows a structure of an apnea event monitoring device provided by the present application.
  • the device may include a real-time data acquisition module 801, a display module 802, a target physiological sign parameter acquisition module 803, a recognition module 804, and an output module 805.
  • the real-time data acquisition module 801 obtains real-time data of at least one physiological sign parameter of the target object through at least one physiological parameter sensor.
  • the display module 802 provides a monitoring interface.
  • the monitoring interface includes a dedicated display area for apnea events, and a display area for displaying real-time data of at least one physiological sign parameter.
  • the target physiological sign parameter acquisition module 803 acquires a target physiological sign parameter related to the apnea event of the target object from the at least one physiological sign parameter.
  • the identification module 804 identifies an apnea event from real-time data of a target physiological sign parameter.
  • the output module 805 outputs a display in a dedicated display area according to the recognition result of the apnea event.
  • the apnea event monitoring device further includes an alarm event processing module, which identifies an alarm event from real-time data of at least one physiological sign parameter, and the alarm event includes an alarm event based on a single physiological sign parameter, and / or based on two The combined alarm event of the above physiological signs parameters; the alarm event is displayed in a display area other than the dedicated display area on the monitoring interface.
  • an alarm event processing module which identifies an alarm event from real-time data of at least one physiological sign parameter, and the alarm event includes an alarm event based on a single physiological sign parameter, and / or based on two The combined alarm event of the above physiological signs parameters; the alarm event is displayed in a display area other than the dedicated display area on the monitoring interface.
  • the identification module 804 determines the apnea event segment from the real-time data of the target physiological sign parameters that meets the determination condition of the apnea event; the output module 805 determines the content of interest based on the data corresponding to the apnea event segment, and displays it on the dedicated display. The output in the area displays the content of interest.
  • the determination condition is: the duration of apnea duration reaches the first duration threshold; or, the duration of apnea duration reaches the second duration threshold, and the blood oxygen saturation is lower than the blood oxygen saturation within the duration of the apnea duration A threshold occurs; or, an apnea duration reaches a second duration threshold, and a heart rate below the heart rate threshold occurs during an apnea duration; or, an apnea duration reaches a second duration threshold, and A pulse rate below the pulse rate threshold occurred during the duration; or an alarm event in which the apnea duration reached the first duration threshold was detected; or, an alarm event in which the apnea duration reached the second duration threshold was detected, and An alarm event in which the blood oxygen saturation is lower than the blood oxygen saturation threshold in the duration; or, an alarm event in which the apnea duration reaches the second duration threshold and the heart rate is lower than the heart rate threshold during the duration of the apnea is
  • the determination condition further includes that the duration of the time when the blood oxygen saturation value is lower than the blood oxygen saturation threshold exceeds a preset duration; when the heart rate is lower than the heart rate threshold, On the basis, the determination condition also includes that the duration that the heart rate is below the heart rate threshold exceeds the preset duration; on the basis of the pulse rate that is below the pulse rate threshold, the determination condition also includes that the duration that the pulse rate is below the pulse rate threshold exceeds the preset duration .
  • the output module 805 outputs and displays one or more of the following parameters in a dedicated display area:
  • the apnea event segment includes a first time period before the apnea trigger time point and a second time period after the apnea trigger time point; or, the apnea event segment includes Duration of apnea.
  • the apnea trigger time point is: the start time point of the apnea event is detected from the real-time data of the target physiological sign parameters; or the apnea event is detected from the real-time data of the target physiological sign parameters to detect that the apnea event continues to pass the second duration threshold Point in time.
  • the output module 805 also outputs and displays at least one of the following in the dedicated display area: the time when the apnea duration reaches the second duration threshold; and historical information of the apnea event.
  • the historical information here includes: the historical event time point when the apnea event occurred, the event type of the apnea event, and the maximum value corresponding to the corresponding event type of the apnea event.
  • the apnea event monitoring device further includes a marking module, and the marking module obtains a respiratory oxygenation event from real-time data of a target physiological sign parameter; determines a type of the respiratory event according to the apnea event and the respiratory oxygenation event; breathing Events include apnea events and respiratory oxygenation events; the types of respiratory events are recorded.
  • the output module 805 outputs at least the type of the respiratory event and the occurrence time of the respiratory event in a dedicated display area.
  • the apnea event monitoring device further includes an event list module, and the event list module obtains an apnea event that occurs within a historical period of a preset duration; an event list area is provided in the monitoring interface, and an event list area is provided in the event list area. A list of apnea events is displayed.
  • the event list module also obtains a respiratory oxygenation event occurring within a preset period of historical time; a list of respiratory oxygenation events is also displayed in the event list area.
  • the event list module displays the apnea event and the respiratory oxygenation event in different display styles in the event list area.
  • the apnea event monitoring device further includes a waveform module, and the waveform obtains a waveform diagram of a target physiological sign parameter; a graphic area is set in the monitoring interface, and the target physiological sign parameter waveform display is displayed in the graphic area.
  • the waveform module marks the apnea trigger time point on the target physiological sign parameter waveform diagram, and / or marks the apnea event segment on the target physiological sign parameter waveform diagram.
  • the display module 802 clears the attention content of the dedicated display area in response to a user-dismissed display operation; or, in response to the user-dismissed display operation, closes the dedicated display area in the monitoring interface.
  • the display module 802 detects that the target physiological signs parameters return to the normal range and clears the contents of the dedicated display area; or, detects that the target physiological signs parameters return to the normal range and closes the dedicated display area in the monitoring interface.
  • the apnea event monitoring device further includes a notification module, and the notification module generates notification information if an apnea event is detected in the target object when the monitoring interface turns off the dedicated display area display.
  • the apnea event monitoring device further includes a correlation information module, which provides a marker interface in response to an instruction input by the user; and stores the correlation information of the respiratory event input by the user through the marker interface.
  • a correlation information module which provides a marker interface in response to an instruction input by the user; and stores the correlation information of the respiratory event input by the user through the marker interface.
  • the labeling interface includes a breathing event display area and a related information area displaying related information of the respiratory event
  • the related information module displays, according to the breathing event selected by the user in the respiratory event display area, the corresponding corresponding information area displayed on the labeling interface. Correlation information of the selected respiratory event; and saves the correlation information entered by the user through the correlation information area of the marker interface.
  • the associated information includes an attribute indicating whether the respiratory event is valid or invalid, and the invalid attribute indicates that the corresponding respiratory event is excluded from the statistical result.
  • the apnea event monitoring apparatus further includes a review module, and displays a review interface of the apnea event and / or the respiratory event in response to an instruction input by the user.
  • the apnea event monitoring device provided in the embodiment of the present application corresponds to the apnea event monitoring method in the foregoing embodiment, and therefore, the monitoring device is not described in detail herein.
  • each of the foregoing units or modules for performing each step may be stored in one or more of the foregoing memories, and in the above embodiments, each is used to implement a monitor or a monitoring system, where each function
  • the module includes each instruction set for performing the corresponding steps in the above method.
  • the above modules or programs ie, instruction sets
  • Each sub-block of these modules therefore, in some embodiments of the invention, the memory may store a subset of the modules or data structures described above.
  • the present application further provides a monitor.
  • the monitor may specifically include at least one physiological parameter sensor, a processor, and a display.
  • the at least one physiological parameter sensor obtains real-time data of at least one physiological sign parameter of the target object.
  • the display provides a monitoring interface.
  • the monitoring interface includes a dedicated display area for apnea events, and a display area for displaying real-time data of at least one physiological sign parameter.
  • the processor obtains the target physiological sign parameter related to the apnea event from the at least one physiological sign parameter; identifies the apnea event from real-time data of the target physiological sign parameter; and, according to the recognition result of the apnea event, in a dedicated The output is displayed in the display area.
  • FIG. 9 provides a system frame diagram of a parameter processing module in a multi-parameter monitor.
  • the multi-parameter monitor has an independent housing. There is a sensor interface area on the housing panel, which integrates multiple sensor interfaces for connecting with various external physiological parameter sensor accessories 911.
  • the housing panel also includes a small LCD display area and a display 918. , Input interface circuit 920 and alarm circuit 919 (such as LED alarm area) and so on.
  • the parameter processing module is used for external communication and power interface for communicating with the host and taking power from the host.
  • the parameter processing module also supports extrapolated parameter modules.
  • the plug-in monitor host can be formed by inserting the parameter module as a part of the monitor or connected to the host through a cable.
  • the extrapolated parameter module is used as an external accessory of the monitor.
  • the multi-parameter monitor includes a memory 917 for storing computer programs and various data generated during related monitoring processes.
  • the internal circuit of the parameter processing module is placed in a housing, as shown in FIG. 9, and includes at least two signal acquisition circuits 912 corresponding to physiological parameters, a front-end signal processing circuit 913, and a main processor 915.
  • the main processor 915 may implement each processing-related step in each of the apnea event monitoring methods described above.
  • the signal acquisition circuit 912 may be selected from an electrocardiogram circuit, a breathing circuit, a body temperature circuit, a blood oxygen circuit, a non-invasive blood pressure circuit, an invasive blood pressure circuit, and the like. These signal acquisition circuits 912 are respectively electrically connected to corresponding sensor interfaces for electrical connection. Connected to the sensor accessory 911 corresponding to different physiological parameters, its output is coupled to the front-end signal processor, the communication port of the front-end signal processor is coupled to the main processor, and the main processor is electrically connected to the external communication and power interface.
  • the front-end signal processor completes the sampling and analog-digital conversion of the output signal of the signal acquisition circuit, and outputs the control signal to control the measurement process of the physiological signal.
  • These parameters include but are not limited : ECG, respiration, body temperature, blood oxygen, non-invasive blood pressure and invasive blood pressure parameters.
  • the front-end signal processor can be implemented by a single-chip microcomputer or other semiconductor devices, or by an ASIC or FPGA.
  • the front-end signal processor can be powered by an isolated power supply.
  • the sampled data is simply processed and packaged, and then sent to the main processor through the isolated communication interface.
  • the front-end signal processor circuit can be coupled to the main processor 915 through the isolated power and communication interface 914. .
  • the reason that the front-end signal processor is powered by an isolated power supply is that the DC / DC power supply isolated by the transformer plays a role in isolating the patient from the power supply equipment.
  • the main purposes are: 1. Isolate the patient, and use the isolation transformer to float the application part so that The leakage current of the patient is small enough; 2. Prevent the voltage or energy during defibrillation or electrosurgical application from affecting the cards and components of the intermediate circuit such as the main control board (guaranteed with creepage distance and clearance).
  • the main processor completes the calculation of physiological parameters and sends the calculation results and waveforms of the parameters to the host (such as a host with a display, a PC, a central station, etc.) through an external communication and power interface.
  • the external communication and power interface 916 can be One or a combination of Ethernet, Token Ring, Token Bus, and the local area network interface formed by the three types of backbone optical fiber distributed data interfaces (FDDI). It is one or a combination of wireless interfaces such as infrared, Bluetooth, wifi, and WMTS communication, or one or a combination of wired data connection interfaces such as RS232 and USB.
  • the external communication and power interface 916 may also be one or a combination of a wireless data transmission interface and a wired data transmission interface.
  • the host can be any computer equipment such as the host of the monitor, the electrocardiograph, the ultrasound diagnostic instrument, and the computer. By installing the matched software, a monitoring device can be formed.
  • the host can also be a communication device, such as a mobile phone.
  • the parameter processing module sends data to a mobile phone that supports Bluetooth communication through a Bluetooth interface to achieve remote data transmission.
  • the present application provides a readable storage medium on which a computer program is stored, and the computer program is executed by a processor to implement the foregoing methods for monitoring various apnea events.
  • any tangible, non-transitory computer-readable storage medium can be used, including magnetic storage devices (hard disks, floppy disks, etc.), optical storage devices (CD-ROM, DVD, Blu Ray, etc.), flash memory, and / or the like .
  • These computer program instructions can be loaded on a general-purpose computer, special-purpose computer, or other programmable data processing device to form a machine, so that these instructions executed on the computer or other programmable data processing device can generate a device that implements a specified function.
  • Computer program instructions can also be stored in a computer-readable memory, which can instruct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory can form one piece Articles of manufacture, including implements that implement specified functions.
  • Computer program instructions can also be loaded onto a computer or other programmable data processing device, thereby performing a series of operating steps on the computer or other programmable device to produce a computer-implemented process, which makes the computer or other programmable device execute Instructions can provide steps for implementing specified functions.
  • the term “including” and any other variations thereof are non-exclusive inclusions, such that a process, method, article, or device that includes a list of elements includes not only those elements but also those that are not explicitly listed or are not part of the process , Method, system, article, or other element of equipment.
  • the term “coupled” and any other variations thereof as used herein refers to a physical connection, an electrical connection, a magnetic connection, an optical connection, a communication connection, a functional connection, and / or any other connection.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physiology (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

La présente invention concerne un procédé et un appareil de surveillance d'épisodes d'apnée, un dispositif médical et un support de stockage lisible. Le procédé de surveillance comprend les étapes consistant à : obtenir des données en temps réel d'au moins un paramètre de signal physiologique d'un sujet cible, les données en temps réel du ou des paramètres de signal physiologique étant obtenues par l'intermédiaire d'au moins un capteur de paramètre physiologique (1.1) ; utiliser une interface de surveillance, l'interface de surveillance comprenant une zone d'affichage d'un épisode d'apnée dédiée, et une zone d'affichage pour afficher les données en temps réel du ou des paramètres de signal physiologique (1.2) ; obtenir un paramètre de signal physiologique cible, qui est associé à l'épisode d'apnée, du sujet cible à partir du ou des paramètres de signal physiologique (1.3) ; reconnaître l'épisode d'apnée à partir des données en temps réel du paramètre de signal physiologique cible (1.4) ; selon le résultat de la reconnaissance de l'épisode d'apnée, procéder à l'affichage dans la zone d'affichage dédiée (1.5).
PCT/CN2018/101938 2018-08-23 2018-08-23 Dispositif médical, procédé et appareil de surveillance d'épisodes d'apnée Ceased WO2020037599A1 (fr)

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PCT/CN2018/101938 WO2020037599A1 (fr) 2018-08-23 2018-08-23 Dispositif médical, procédé et appareil de surveillance d'épisodes d'apnée

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