CN117942054A - Wearable blood pressure measurement device and storage medium - Google Patents
Wearable blood pressure measurement device and storage medium Download PDFInfo
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- CN117942054A CN117942054A CN202410129807.9A CN202410129807A CN117942054A CN 117942054 A CN117942054 A CN 117942054A CN 202410129807 A CN202410129807 A CN 202410129807A CN 117942054 A CN117942054 A CN 117942054A
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- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 102
- 230000036772 blood pressure Effects 0.000 claims abstract description 115
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- 210000000707 wrist Anatomy 0.000 claims description 43
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
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- 210000004369 blood Anatomy 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 230000036385 rapid eye movement (rem) sleep Effects 0.000 claims description 4
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Abstract
The embodiment of the application discloses wearable blood pressure measuring equipment, which comprises a micro control unit, a parameter acquisition sensor, an acceleration sensor and a blood pressure measuring device, wherein: the micro control unit is used for controlling the parameter acquisition sensor to acquire physiological parameter information of the target object and controlling the acceleration sensor to acquire acceleration data of the target object; determining a sleep state of the target subject based on the physiological parameter information and the acceleration data; the target timing is determined based on the sleep state to control the blood pressure measuring device to measure the blood pressure of the target subject when the target timing is satisfied. By the method, the target time can be determined according to the sleep state of the target object, so that the blood pressure measuring device is controlled to measure the blood pressure when the target time is met, the scene of blood pressure measurement can be enriched, and the accuracy of the blood pressure measuring result of the target object during sleep can be improved when the blood pressure is measured at the target time.
Description
Technical Field
The present application relates to the field of computer technology, and more particularly, to a wearable blood pressure measurement device and a storage medium.
Background
Blood pressure measurement is one of the important indicators for assessing cardiovascular health in humans. In a related manner, it is generally necessary that the target subject for blood pressure measurement remain stationary and awake to obtain a more accurate blood pressure value. But the related mode also has the problem of limited blood pressure measurement scenes.
Disclosure of Invention
In view of the above, the present application proposes a wearable blood pressure measurement device and a storage medium to achieve an improvement in the above.
In a first aspect, the present application provides a wearable blood pressure measurement device, the wearable blood pressure measurement device comprising a micro-control unit, a parameter acquisition sensor, an acceleration sensor, a blood pressure measurement device, wherein: the micro control unit is used for controlling the parameter acquisition sensor to acquire physiological parameter information of a target object and controlling the acceleration sensor to acquire acceleration data of the target object; determining a sleep state of the target subject based on the physiological parameter information and the acceleration data; a target timing is determined based on the sleep state to control the blood pressure measurement device to measure the blood pressure of the target subject when the target timing is satisfied.
In a second aspect, the present application provides a computer readable storage medium having program code stored therein, wherein the steps performed by the micro control unit described above are performed when the program code is run.
The application provides a wearable blood pressure measuring device and a storage medium, wherein the wearable blood pressure measuring device comprises a micro control unit, a parameter acquisition sensor, an acceleration sensor and a blood pressure measuring device, wherein: the micro control unit is used for determining the sleep state of the target object based on the physiological parameter information and the acceleration data after controlling the parameter acquisition sensor to acquire the physiological parameter information of the target object and controlling the acceleration sensor to acquire the acceleration data of the target object, and determining the target opportunity based on the sleep state so as to control the blood pressure measuring device to measure the blood pressure of the target object when the target opportunity is met. By the method, the target time can be determined according to the sleep state of the target object, so that the blood pressure measuring device is controlled to measure the blood pressure when the target time is met, the scene of blood pressure measurement can be enriched, and the accuracy of the blood pressure measuring result of the target object during sleep can be improved when the blood pressure is measured at the target time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a flowchart of measuring blood pressure by a wearable blood pressure measuring device according to an embodiment of the present application;
FIG. 2 is a flowchart of another wearable blood pressure measurement device according to an embodiment of the present application;
FIG. 3 is a flowchart of another wearable blood pressure measurement device according to an embodiment of the present application;
Fig. 4 shows a block diagram of a wearable blood pressure measuring device according to the present application;
fig. 5 is a memory unit for storing or carrying program code that implements steps performed by the micro control unit according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
With the progress of the living standard of people, more and more people begin to pay attention to the cardiovascular health condition of themselves, and blood pressure measurement is one of important indexes for evaluating the cardiovascular health condition of people. In a related manner, it is generally necessary that the target subject for blood pressure measurement remain stationary and awake to obtain a more accurate blood pressure value.
The inventor finds that the related mode has the problem of limited blood pressure measurement scenes in related researches. For example, when the target subject is in a sleep state or a movement state, in order to avoid inaccuracy of blood pressure measurement, blood pressure measurement operation is not performed.
In an embodiment of the present application, the present inventors provide a wearable blood pressure measurement device and a storage medium, where the wearable blood pressure measurement device includes a micro control unit, a parameter acquisition sensor, an acceleration sensor, and a blood pressure measurement device, and the wearable blood pressure measurement device includes: the micro control unit is used for determining the sleep state of the target object based on the physiological parameter information and the acceleration data after controlling the parameter acquisition sensor to acquire the physiological parameter information of the target object and controlling the acceleration sensor to acquire the acceleration data of the target object, and determining the target opportunity based on the sleep state so as to control the blood pressure measuring device to measure the blood pressure of the target object when the target opportunity is met. By the method, the target time can be determined according to the sleep state of the target object, so that the blood pressure measuring device is controlled to measure the blood pressure when the target time is met, the scene of blood pressure measurement can be enriched, and the accuracy of the blood pressure measuring result of the target object during sleep can be improved when the blood pressure is measured at the target time.
Referring to fig. 1, the wearable blood pressure measurement device provided by the embodiment of the application includes a micro control unit, a parameter acquisition sensor, an acceleration sensor, and a blood pressure measurement device, wherein:
s110: the micro control unit is used for controlling the parameter acquisition sensor to acquire physiological parameter information of a target object and controlling the acceleration sensor to acquire acceleration data of the target object.
The wearable blood pressure measuring device may be a smart watch, a sports bracelet or the like for measuring blood pressure of a user. The micro-control unit may be MCU (Microcontroller Unit). The parameter acquisition sensor may be a sensor for acquiring physiological parameter information of a target object, and the parameter acquisition sensor may be a PPG (Photoplethysmography, photoplethysmogram sensor), an EEG (electroencephalogram ) sensor, or the like. The target object may refer to an object that needs to perform blood pressure measurement, such as a person wearing a wearable blood pressure measurement device; the physiological parameter information may be one or more of pulse wave signal, blood oxygen saturation. The pulse wave signal may be used to measure the blood pressure of the target subject. The blood oxygen saturation may be used to determine the breathing quality of the target subject, the higher the blood oxygen saturation, the higher the breathing quality of the target subject, while the blood oxygen saturation may also be used to determine whether the target subject is experiencing an apnea, e.g., when the target subject is snoring, the apnea may occur.
The acceleration sensor can be used for detecting the acceleration of the wearable blood pressure measuring device in all directions (generally three axes), and can detect the gravity and the direction when the wearable blood pressure measuring device is kept static, so that the posture of the wearable blood pressure measuring device can be identified.
As one way, the micro control unit may control the parameter acquisition sensor to acquire physiological parameter information of the target object and control the acceleration sensor to acquire acceleration data of the target object in response to receiving the blood pressure measurement request.
As another way, the micro control unit may periodically control the parameter acquisition sensor to acquire physiological parameter information of the target object, and control the acceleration sensor to acquire acceleration data of the target object.
S120: a sleep state of the target subject is determined based on the physiological parameter information and the acceleration data.
The acceleration data may include acceleration data of a wrist of the target subject, and the sleep state may be deep sleep or shallow sleep or rapid eye movement sleep (Rapid Eye Movement, REM) or awake, among others.
As a way, a wrist motion detection result can be obtained based on the acceleration data of the wrist, and the wrist motion detection result can represent whether the wrist of the target object is in a motion state; and obtaining the sleep state of the target object based on the physiological parameter information and the wrist motion detection result.
The wrist motion detection result can be a series of sequences which are formed by 0 and/or 1 and are sequenced from first to second according to the acquisition time, and when the number of a certain position in the sequences is 0, the wrist of the target object at the corresponding moment is indicated to be in a non-motion state; when the number of a certain position in the sequence is 1, the wrist of the target object is in a motion state at the corresponding moment.
Optionally, obtaining linear acceleration data of the wrist of the target object in the first time period based on the acceleration data and the gravitational acceleration; dividing the first time period into a plurality of consecutive second time periods; comparing the linear acceleration data corresponding to each second time period with an acceleration threshold value to obtain the motion state of the wrist of the target object in each second time period; and obtaining a wrist motion detection result based on the motion state of the wrist of the target object in each second time period.
Optionally, when the linear acceleration data stored in the second period is greater than the acceleration threshold, it may indicate that the wrist of the target object is in a motion state; when the linear acceleration data in the second time period are smaller than or equal to the acceleration threshold value, the wrist of the target object can be indicated to be in a non-motion state.
According to the embodiment of the application, the wrist detection result is obtained through the linear acceleration data, so that the influence of gravity acceleration on the wrist detection result can be overcome, and the accuracy of the wrist detection result is improved.
Optionally, sleep characteristics may be obtained based on physiological parameter information and wrist motion detection results; and inputting the sleep characteristics into a pre-trained network model to obtain the sleep state of the target object.
The pre-trained network model may refer to a convolutional neural network, a random forest, or the like for classification.
Alternatively, the average value and/or standard deviation of the pulse wave signal in the first period may be used as the first feature; taking the average value and/or standard deviation of the wrist motion detection result in the first time period as a second characteristic; obtaining a third characteristic based on the fourier transform and the pulse wave signal in the first time period; obtaining a fourth feature based on the Fourier transform and the wrist motion detection result in the first time period; the first feature, the second feature, the third feature, and the fourth feature are taken as sleep features.
Optionally, the pulse wave signals in the first period may be sampled according to a preset sampling frequency to obtain values corresponding to the multiple pulse wave signals, so that an average value and/or a standard deviation of the pulse wave signals in the first period are obtained based on the values corresponding to the multiple pulse wave signals.
Among other things, fourier transforms (Fourier Transform, FT) may refer to a method that may be used to perform time-frequency domain transform analysis.
In the embodiment of the application, the information content in the sleep characteristics can be increased by extracting the characteristics of the physiological parameter information and the wrist motion detection result, so that the accuracy of judging the sleep state of the target object is improved.
S130: a target timing is determined based on the sleep state to control the blood pressure measurement device to measure the blood pressure of the target subject when the target timing is satisfied.
The blood pressure measuring device may include an inflator, an air bag, a signal acquisition device (such as a pressure sensor, etc.), a signal filtering device (such as a low-pass filter, etc.).
As one way, if the sleep state is determined to be deep sleep based on step S120, the current time may be taken as the target opportunity; if it is determined that the sleep state is not deep sleep based on step S120, blood pressure measurement may not be performed.
In the embodiment of the application, when the sleeping state of the target object is deep sleep, the body fluctuation of the target object is smaller, and the blood pressure measurement is performed at the moment, so that the accuracy of the blood pressure measurement result can be improved under the condition that the sleeping state of the target object is not influenced.
Alternatively, if it is determined that the sleep state is deep sleep and the blood oxygen saturation in the physiological parameter information is greater than or equal to the preset value based on step S120, the current time may be taken as the target timing.
In the embodiment of the application, the blood pressure measurement is carried out when the patient sleeps deeply and breathes smoothly, and the accuracy of the blood pressure measurement result can be improved under the condition that the sleeping of the target object is not influenced.
As still another way, if it is determined that the sleep state is deep sleep based on step S120, the current time may be taken as the target opportunity; if the sleep state is determined to be shallow sleep or rapid eye movement sleep based on step S120, the time after waiting for the target time interval from the current time may be taken as the target time, and the target time interval is determined based on the historical sleep record of the target subject.
In the embodiment of the application, when the sleep state of the target object is shallow sleep or rapid eye movement sleep, the time when the target object can enter deep sleep is determined based on the history sleep record of the target object, so that the accuracy of the blood pressure measurement result can be improved under the condition that the sleep of the target object is not influenced.
Optionally, when the sleep process of the target object is obtained based on the historical sleep record of the target object, that is, when the sleep rhythm of the continuous multiple days is not changed greatly, the target time interval can be determined through the historical sleep record of the target object, so that blood pressure measurement is performed after the target time interval; when the sleep process of the target object is irregular, that is, when the sleep rhythm of the continuous multiple days is changed greatly, based on the history sleep record of the target object, the determination of the target opportunity may not be performed.
The embodiment provides a wearable blood pressure measuring equipment, wearable blood pressure measuring equipment includes little control unit, parameter acquisition sensor, acceleration sensor, blood pressure measuring device, wherein: the micro control unit is used for determining the sleep state of the target object based on the physiological parameter information and the acceleration data after controlling the parameter acquisition sensor to acquire the physiological parameter information of the target object and controlling the acceleration sensor to acquire the acceleration data of the target object, and determining the target opportunity based on the sleep state so as to control the blood pressure measuring device to measure the blood pressure of the target object when the target opportunity is met. By the method, the target time can be determined according to the sleep state of the target object, so that the blood pressure measuring device is controlled to measure the blood pressure when the target time is met, the scene of blood pressure measurement can be enriched, and the accuracy of the blood pressure measuring result of the target object during sleep can be improved when the blood pressure is measured at the target time.
Referring to fig. 2, the wearable blood pressure measurement device provided by the embodiment of the application includes a micro control unit, a parameter acquisition sensor, an acceleration sensor, and a blood pressure measurement device, wherein:
S210: the micro control unit is used for controlling the parameter acquisition sensor to acquire physiological parameter information of a target object and controlling the acceleration sensor to acquire acceleration data of the target object.
S220: a sleep state of the target subject is determined based on the physiological parameter information and the acceleration data.
S230: a target timing is determined based on the sleep state to control the blood pressure measurement device to measure the blood pressure of the target subject when the target timing is satisfied.
S240: based on the acceleration data, a pose of the wearable blood pressure measurement device is determined when a blood pressure measurement is made, the pose being indicative of whether the wearable blood pressure measurement device is squeezed.
The pose of the wearable blood pressure measurement device may include a pitch Angle (PITCH ANGLE) and a roll Angle (Rol Angle) of the wearable blood pressure measurement device in space, among others. A pitch angle may be used to describe the degree of rotation of the wearable blood pressure measurement device about a transverse axis, and may refer to the angle by which the wearable blood pressure measurement device rotates about its own transverse axis (typically the X-axis). A roll angle may be used to describe the degree of rotation of the wearable blood pressure measurement device about a longitudinal axis, and may refer to the angle by which the wearable blood pressure measurement device is rotated about its own longitudinal axis (typically the Z-axis).
As one approach, the pitch and roll angles of the wearable blood pressure measurement device at the time of making the blood pressure measurement may be determined based on the acceleration data.
S250: and obtaining the real blood pressure of the target object based on the pose and the blood pressure measurement result.
As a way, if the pitch angle and the roll angle are both within the respective corresponding preset ranges, it can be determined that the wearable blood pressure measurement device is not extruded, and the blood pressure measurement result is taken as the actual blood pressure of the target object; if the pitch angle or the roll angle is not in the corresponding preset range, determining that the wearable blood pressure measuring equipment is extruded, performing data compensation on the blood pressure measuring result, and taking the blood pressure measuring result after data compensation as the real blood pressure of the target object.
Alternatively, the preset ranges corresponding to the pitch angle and the roll angle may be obtained based on a plurality of test results.
Alternatively, the size of the data compensation may be related to the extent to which the wearable blood pressure measurement device is compressed, the greater the data compensation may be.
According to the wearable blood pressure measurement device provided by the embodiment, the target time can be determined according to the sleep state of the target object, so that the blood pressure measurement device is controlled to measure the blood pressure when the target time is met, the scene of blood pressure measurement can be enriched, and the accuracy of the blood pressure measurement result of the target object during sleep can be improved when the blood pressure is measured at the target time. In addition, in the embodiment, the pose of the wearable blood pressure measuring device can be determined through the pitch angle and the roll angle, so that whether the wearable blood pressure measuring device is extruded or not is determined, and when the wearable blood pressure measuring device is extruded, data compensation is performed on a blood pressure measuring result, so that the accuracy of the blood pressure measuring result is improved.
Referring to fig. 3, the wearable blood pressure measurement device provided by the embodiment of the application includes a micro control unit, a parameter acquisition sensor, an acceleration sensor, a blood pressure measurement device and a pressure sensor, wherein:
S310: the micro control unit is used for controlling the parameter acquisition sensor to acquire physiological parameter information of a target object and controlling the acceleration sensor to acquire acceleration data of the target object.
S320: a sleep state of the target subject is determined based on the physiological parameter information and the acceleration data.
S330: a target timing is determined based on the sleep state to control the blood pressure measurement device to measure the blood pressure of the target subject when the target timing is satisfied.
S340: the micro control unit controls the pressure sensor to collect pressure information of the wearable blood pressure measuring device when controlling the blood pressure measuring device to measure the blood pressure of the target object.
As one way, the micro control unit may further control the pressure sensor to collect pressure information of the wearable blood pressure measurement device when controlling the blood pressure measurement device to measure the blood pressure of the target object.
Wherein the pressure information of the wearable blood pressure measurement device may characterize whether the wearable blood pressure measurement device is squeezed. The pressure information can be a pressure value, and when the pressure value acquired by the pressure sensor is greater than or equal to a pressure threshold value, the wearable blood pressure measuring device can be indicated to be extruded; when the pressure value acquired by the pressure sensor is smaller than the pressure threshold value, the wearable blood pressure measuring device can be indicated not to be extruded.
Alternatively, the pressure threshold may be based on multiple test results.
Alternatively, the pressure threshold may be related to the weight of the target subject, the greater the pressure threshold.
S350: and if the wearable blood pressure measurement device is determined to be extruded based on the pressure information, carrying out data compensation on the blood pressure measurement result, and taking the blood pressure measurement result after the data compensation as the real blood pressure of the target object.
As one way, if it is determined that the wearable blood pressure measurement device is pressed based on the pressure information, the blood pressure measurement result may be data-compensated, and the blood pressure measurement result after the data compensation is taken as the actual blood pressure of the target object.
S360: and if the wearable blood pressure measuring device is not extruded based on the pressure information, taking the blood pressure measuring result as the real blood pressure of the target object.
As one way, if it is determined that the wearable blood pressure measurement device is not pressed based on the pressure information, the blood pressure measurement result may be taken as the true blood pressure of the target object.
According to the wearable blood pressure measurement device provided by the embodiment, the target time can be determined according to the sleep state of the target object, so that the blood pressure measurement device is controlled to measure the blood pressure when the target time is met, the scene of blood pressure measurement can be enriched, and the accuracy of the blood pressure measurement result of the target object during sleep can be improved when the blood pressure is measured at the target time. In addition, in the embodiment, whether the wearable blood pressure measuring device is extruded or not can be determined through the pressure information, and when the wearable blood pressure measuring device is extruded, data compensation is performed on the blood pressure measuring result, so that accuracy of the blood pressure measuring result is improved.
The wearable blood pressure measuring device provided by the application will be described with reference to fig. 4.
Referring to fig. 4, an embodiment of the present application provides a wearable blood pressure measuring device 100 that can perform steps. The wearable blood pressure measuring device 100 comprises a micro control unit 102, a parameter acquisition sensor 104, an acceleration sensor 106, a blood pressure measuring device 108, a memory 110, a pressure sensor 112.
The memory 110 stores therein a program capable of executing the contents of the foregoing embodiments, and the micro control unit 102 can execute the program stored in the memory 110.
Wherein the micro-control unit 102 may include one or more processing cores. The micro control unit 102 connects various parts within the overall wearable blood pressure measurement device 100 using various interfaces and lines, performs various functions and processes data of the wearable blood pressure measurement device 100 by running or executing instructions, programs, code sets, or instruction sets stored in the memory 110, and invoking data stored in the memory 110. Alternatively, the micro control unit 102 may be implemented in at least one hardware form of a network processor (Neural network Processing Unit, NPU), digital signal Processing (DIGITAL SIGNAL Processing, DSP), field-Programmable gate array (Field-Programmable GATE ARRAY, FPGA), programmable logic array (Programmable Logic Array, PLA). The micro-control unit 102 may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), a network processor (Neural network Processing Unit, NPU), a micro-control unit (Microcontroller Unit, MCU), a modem, etc. The CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for being responsible for rendering and drawing of display content; the NPU is responsible for processing multimedia data of video and image types; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the micro control unit 102 and may be implemented by a single communication chip.
The parameter acquisition sensor 104 may be used to measure physiological parameter information of a user of the wearable blood pressure measurement device 100, such as pulse wave signals, blood oxygen saturation, etc. The parameter acquisition sensor 104 may be a PPG (Photoplethysmography, photoplethysmogram sensor), an EEG (electroencephalogram ) sensor, or the like.
The acceleration sensor 106 can detect the acceleration in all directions (typically three axes), and can detect the gravity and direction when stationary, and can be used for applications of the posture of the wearable blood pressure measurement device 100 (such as pressure calculation, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, knocking), and the like.
The blood pressure measurement device 108 may include an air pump, an air bladder, a static pressure acquisition module, etc., wherein the air pump may inflate the air bladder, and the static pressure acquisition module may acquire an air bladder pressure signal when the air bladder is inflated.
The pressure sensor 112 may be a sensor that detects the pressure generated by pressing on the wearable blood pressure measuring device 100. That is, the pressure sensor detects a pressure generated by contact or pressing between the user and the wearable blood pressure measuring device 100, for example, a pressure generated by contact or pressing between the wrist of the user and the wearable blood pressure measuring device 100. Thus, the pressure sensor may be used to determine whether contact or pressure has occurred between the user and the wearable blood pressure measurement device 100, as well as the magnitude of the pressure.
Memory 110 may include random access Memory (Random Access Memory, RAM) or Read-Only Memory (Double data rate, DDR). Memory 110 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 110 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for implementing at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the various method embodiments described below, etc. The storage data area may also store data created by the wearable blood pressure measurement device 100 in use (e.g., phonebook, audio-video data, chat log data), and so forth.
Referring to fig. 5, a block diagram of a computer readable storage medium according to an embodiment of the application is shown. The computer readable storage medium 800 has stored therein program code that can be invoked by a processor to perform the methods described in the method embodiments described above.
The computer readable storage medium 800 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. Optionally, the computer readable storage medium 800 comprises a non-volatile computer readable storage medium (non-transitory computer-readable storage medium). The computer readable storage medium 800 has storage space for program code 810 that performs any of the method steps described above. The program code can be read from or written to one or more computer program products. Program code 810 may be compressed, for example, in a suitable form.
In summary, the application provides a wearable blood pressure measurement device and a storage medium, and the wearable blood pressure measurement device and the storage medium provided by the application include a micro control unit, a parameter acquisition sensor, an acceleration sensor, and a blood pressure measurement device, wherein: the micro control unit is used for determining the sleep state of the target object based on the physiological parameter information and the acceleration data after controlling the parameter acquisition sensor to acquire the physiological parameter information of the target object and controlling the acceleration sensor to acquire the acceleration data of the target object, and determining the target opportunity based on the sleep state so as to control the blood pressure measuring device to measure the blood pressure of the target object when the target opportunity is met. By the method, the target time can be determined according to the sleep state of the target object, so that the blood pressure measuring device is controlled to measure the blood pressure when the target time is met, the scene of blood pressure measurement can be enriched, and the accuracy of the blood pressure measuring result of the target object during sleep can be improved when the blood pressure is measured at the target time.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (12)
1. The utility model provides a wearable blood pressure measurement equipment, its characterized in that, wearable blood pressure measurement equipment includes little control unit, parameter acquisition sensor, acceleration sensor, blood pressure measurement device, wherein:
the micro control unit is used for controlling the parameter acquisition sensor to acquire physiological parameter information of a target object and controlling the acceleration sensor to acquire acceleration data of the target object;
Determining a sleep state of the target subject based on the physiological parameter information and the acceleration data;
a target timing is determined based on the sleep state to control the blood pressure measurement device to measure the blood pressure of the target subject when the target timing is satisfied.
2. The apparatus of claim 1, wherein the acceleration data comprises acceleration data of a wrist of the target subject, the determining a sleep state of the target subject based on the physiological parameter information and the acceleration data comprising:
Based on the acceleration data of the wrist, obtaining a wrist movement detection result, wherein the wrist movement detection result represents whether the wrist of the target object is in a motion state;
And obtaining the sleep state of the target object based on the physiological parameter information and the wrist motion detection result.
3. The apparatus of claim 2, wherein the acceleration data comprises acceleration data of a wrist of the target object over a first time period, the obtaining a wrist motion detection result based on the acceleration data of the wrist comprising:
Obtaining linear acceleration data of the wrist of the target object in a first time period based on the acceleration data and the gravitational acceleration;
Dividing the first time period into a plurality of consecutive second time periods;
comparing the linear acceleration data corresponding to each second time period with an acceleration threshold value to obtain a motion state of the wrist of the target object in each second time period;
and obtaining the wrist movement detection result based on the movement state of the wrist of the target object in each second time period.
4. The apparatus according to claim 2, wherein the obtaining the sleep state of the target subject based on the physiological parameter information and the wrist motion detection result includes:
based on the physiological parameter information and the wrist motion detection result, obtaining sleep characteristics;
and inputting the sleep characteristics into a pre-trained network model to obtain the sleep state of the target object.
5. The apparatus of claim 4, wherein the physiological parameter information includes a pulse wave signal, the pulse wave signal being a pulse wave signal over a first time period, the wrist motion detection result being a wrist motion detection result over the first time period, the deriving a sleep characteristic based on the pulse wave signal and the wrist motion detection result comprising:
Taking the average value and/or the standard deviation of the pulse wave signals in the first time period as a first characteristic;
taking the average value and/or standard deviation of the wrist motion detection result in the first time period as a second characteristic;
obtaining a third characteristic based on the fourier transform and the pulse wave signal in the first time period;
Obtaining a fourth feature based on the fourier transform and the wrist motion detection result in the first time period;
the first feature, the second feature, the third feature, and the fourth feature are taken as the sleep feature.
6. The apparatus of claim 1, wherein the sleep state is deep or shallow sleep or fast eye movement sleep or awake, the determining a target opportunity based on the sleep state comprising:
And if the sleep state is deep sleep, taking the current moment as the target opportunity.
7. The apparatus of claim 1, wherein the sleep state is deep or shallow sleep or rapid eye movement sleep or wakefulness, the physiological parameter information includes blood oxygen saturation, and the determining a target opportunity based on the sleep state comprises:
and if the sleep state is deep sleep and the blood oxygen saturation is greater than or equal to a preset value, taking the current moment as the target opportunity.
8. The apparatus of claim 1, wherein the sleep state is deep or shallow sleep or fast eye movement sleep or awake, the determining a target opportunity based on the sleep state comprising:
if the sleep state is deep sleep, taking the current moment as the target opportunity;
And if the sleep state is shallow sleep, taking the time after waiting for a target time interval from the current time as the target time, wherein the target time interval is determined based on the historical sleep record of the target object.
9. The apparatus according to any one of claims 1 to 8, wherein the determining a target timing based on the sleep state to control the blood pressure measuring device to measure the blood pressure of the target subject after the target timing is satisfied, further comprises:
Determining a pose of the wearable blood pressure measurement device at the time of blood pressure measurement based on the acceleration data, the pose characterizing whether the wearable blood pressure measurement device is squeezed;
and obtaining the real blood pressure of the target object based on the pose and the blood pressure measurement result.
10. The apparatus of claim 9, wherein the pose comprises a pitch angle and a roll angle, the deriving the true blood pressure of the target subject based on the pose and blood pressure measurements comprising:
If the pitch angle and the roll angle are in the respective corresponding preset ranges, determining that the wearable blood pressure measuring device is not extruded, and taking a blood pressure measuring result as the real blood pressure of the target object;
If the pitch angle or the roll angle is not in the corresponding preset range, determining that the wearable blood pressure measuring equipment is extruded, performing data compensation on the blood pressure measuring result, and taking the blood pressure measuring result after data compensation as the real blood pressure of the target object.
11. The apparatus according to any one of claims 1 to 8, wherein the wearable blood pressure measurement apparatus further includes a pressure sensor that determines a target timing based on the sleep state to control the blood pressure measurement device to measure the blood pressure of the target subject after the target timing is satisfied, further comprising:
The micro control unit controls the pressure sensor to collect pressure information of the wearable blood pressure measuring device when controlling the blood pressure measuring device to measure the blood pressure of the target object;
If the wearable blood pressure measuring device is extruded based on the pressure information, carrying out data compensation on the blood pressure measuring result, and taking the blood pressure measuring result after the data compensation as the real blood pressure of the target object;
and if the wearable blood pressure measuring device is not extruded based on the pressure information, taking the blood pressure measuring result as the real blood pressure of the target object.
12. A computer readable storage medium, characterized in that the computer readable storage medium has stored therein a program code, wherein the steps performed by the micro control unit of any of claims 1-11 are performed when the program code is run.
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| CN202410129807.9A CN117942054A (en) | 2024-01-29 | 2024-01-29 | Wearable blood pressure measurement device and storage medium |
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| CN202410129807.9A CN117942054A (en) | 2024-01-29 | 2024-01-29 | Wearable blood pressure measurement device and storage medium |
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