CN107693020B - Spinal physiological curvature monitoring device and spinal physiological curvature monitoring method - Google Patents
Spinal physiological curvature monitoring device and spinal physiological curvature monitoring method Download PDFInfo
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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Abstract
A spinal physiological curvature monitoring device, comprising: the bending sensor module, the central processing unit and the patch; the patch is made of a flexible waterproof material, and one side of the patch is provided with an adhesive so as to be adhered to the physiological bending position of the spine of the subject; the bending sensor module and the central processing unit are packaged in the patch; the curvature sensor module comprises at least two strain resistance type curvature sensors, the two strain resistance type curvature sensors are arranged along the length direction of the patch, and the outputted spine curvature information is sent to the central processing unit for processing.
Description
Technical Field
The invention relates to spine physiological curvature monitoring and intervention, in particular to a spine physiological curvature monitoring device and a spine physiological curvature monitoring method.
Background
Lumbar vertebra diseases are a long-term chronic process, and poor posture habits (such as long-term work, long-term bending down, incorrect sitting posture and the like) and lack of adequate exercise of lumbar and back muscles in daily life are main causes. They silently erode lumbar health at a slightly undetectable rate, often causing irreversible damage to the lumbar spine when manifested as pain in the waist and legs. The good posture habit and the strong waist and back muscles can obviously lighten the load born by the lumbar intervertebral disc, strengthen the stability of the lumbar vertebra and reduce the occurrence of lumbar vertebra diseases.
With the wide use of smart phones and notebook computers, more people are added with a 'low head bending waist', the longer the low head time is, the greater the pressure born by the cervical vertebra is, the uncomfortable feeling such as stiff and painful neck, dizziness, finger numbness and the like can occur after a long time, and even cervical spondylosis can be gradually developed; and poor sitting, standing or long-term low head watching mobile phones and playing computers can lead to the occurrence of spinal deformity. Although the hazard of bending the head for a long time is known, the habit in daily work and life is difficult to change, the influence of the bad posture on the physiological curvature of the cervical vertebra/lumbar vertebra is often not known, and once the disease state is progressed, great pain is often brought. Therefore, there is a strong need for a method and apparatus for monitoring physiological curvature of the spine, in a wearable form, to monitor the curvature of the spine in real time, and to automatically alert the user when the spine is being bent for too long or severe, to improve the stress condition.
The small swallow is a training method specially aiming at neck and back muscles, namely, people simulate the swallow to perform limb movements in a flying posture so as to achieve the purposes of training waist and back muscles, relieving strain and the like at the waist, neck and shoulder parts and the like, and is a preferred prevention and health care mode widely recommended by clinical spinal doctors for cervical spondylosis and lumbar spondylosis. However, this effective exercise method is less than ideal in practice, mainly for two reasons: firstly, the training process lacks specialized and scientific guidance, so that the training method is not right, the effect is not obvious, even secondary damage is caused to lumbar vertebra, for example, the flying of a small swallow is not lifted higher and better, but is at a proper height, the training process cannot be performed quickly, static maintenance is needed, and the like; secondly, rehabilitation exercise is relatively boring per se, and patients are difficult to persist for a long time.
Some wearable lumbar/cervical vertebra bending degree monitoring systems and devices have been developed at present, which mostly adopt an acceleration sensor and a gyroscope, and monitor the relative bending angle and degree of the lumbar/cervical vertebra through the inclination angle change of the sensor, but the following problems are more existed: firstly, the monitoring of the bending degree and the activity degree of the waist/cervical vertebra is inaccurate or insensitive to bending, and secondly, the daily bad posture habit cannot be found and corrected in time; and thirdly, the training device is not combined with lumbar/cervical vertebra rehabilitation training, an individual training scheme cannot be formulated, and a subject cannot be scientifically and effectively guided to do lumbar and back muscle training.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a spinal physiological curvature monitoring device capable of accurately measuring physiological curvature of a spinal column of a subject; it can provide feedback to the subject in real time to help correct excessive spinal curvature or excessive duration of curvature; which is capable of fatigue relief when a subject is fatigued.
The invention relates to a spine physiological curvature monitoring device, which comprises: the bending sensor module, the central processing unit and the patch;
the patch is made of a flexible waterproof material, and is adhered to the physiological bending position of the spine of the subject in an adhesive manner; the bending sensor module and the central processing unit are packaged in the patch;
the curvature sensor module comprises at least two strain resistance type curvature sensors, the two strain resistance type curvature sensors are arranged along the length direction of the patch, and the outputted spine curvature information is sent to the central processing unit for processing.
Preferably, the vibration prompting device further comprises a vibration prompting unit; the vibration prompting unit is controlled by the central processing unit to vibrate so as to prompt a subject through the vibration.
Preferably, the device further comprises an electrical stimulation unit; the electric stimulation unit is controlled by the central processing unit to discharge so as to electrically stimulate the subject.
Preferably, the electrical stimulation unit outputs a current signal of predetermined frequency, morphology, and intensity to electrically stimulate the subject.
Preferably, each of the at least two strain resistive bending sensors is adapted to monitor the bending of the sagittal plane of the human body; and determining the curvature of the frontal plane of the human body through the output results of two of the at least two strain resistance curvature sensors.
Preferably, the at least two strain resistance type bending sensors are three, and the rotation direction and the angle of the human spine are judged through the bending difference between the output results of the three sensors.
Preferably, the communication module is further included to communicate with an external device.
Preferably, the communication module is a bluetooth module; the external equipment is a smart phone or a tablet computer, and a monitoring application program is run on the external equipment; the spine physiological curvature monitoring device sends the processed spine curvature information to external equipment in real time through the Bluetooth module.
Preferably, the external device feeds back the subject in an audible and/or visual form according to the received spine curvature information to alert the subject to the status of his spine or movement of the spine.
Preferably, the patch is made of silica gel or rubber; the patch is adhered to the physiological bending position of the spine of the subject through a double-sided adhesive tape; the double-sided adhesive patch has a first side of gel for bonding to the patch and a second side of medical adhesive for adhering to the subject.
The invention aims to provide a spine physiological curvature monitoring method which can accurately measure the physiological curvature of the spine of a subject; it can provide feedback to the subject in real time to help correct excessive spinal curvature or excessive duration of curvature; which is capable of fatigue relief when a subject is fatigued. In addition, the spine physiological curvature monitoring method is convenient for making an individual training scheme aiming at a subject so as to achieve the purposes of rehabilitation and prevention of spine diseases.
According to the spine physiological curvature monitoring method, the physiological curvature of a subject is monitored by the spine physiological curvature monitoring device;
attaching the patch to a part of the spine of a subject, which is required to monitor physiological curvature;
averaging measurements of each of at least two strain resistive bending sensors of the bending sensor module to obtain a bending of a sagittal plane of the subject; and calculating the bending of the frontal plane of the subject from the measurement results of two of the at least two strain resistance bending sensors.
Preferably, the spine physiological curvature monitoring device further comprises a vibration prompting unit;
when the curvature of the spine of the subject is too large or the curvature duration is too long, the central processing unit controls the vibration prompting unit to vibrate so as to prompt the subject.
Preferably, the spinal physiological curvature monitoring device further comprises an electrical stimulation unit;
When the curvature of the spine of the subject is overlarge or the curvature duration is overlong, the central processing unit controls the current stimulation unit to discharge to generate percutaneous nerve electric stimulation, and current with preset frequency, intensity and shape is applied to the monitoring part through the skin of the subject to play roles in relieving pain and fatigue.
Preferably, the central processing unit performs scaling of 90 degrees and 0 degrees after removing zero point drift from the measurement result of the strain resistance type bending sensor, and the bending of the sagittal plane and the bending of the frontal plane are scaled bending data.
Preferably, the at least two strain resistance type curvature sensors are three, and the central processing unit judges the rotation direction and angle of the spine of the subject through curvature differences among output results of the three sensors.
Preferably, the spine physiological curvature monitoring device further comprises a communication module to communicate with an external device; the communication module is a Bluetooth module; the external equipment is a smart phone or PAD; the external equipment is provided with a monitoring application program; through the monitoring application program, the current spinal curvature degree and fatigue degree can be prompted to the subject, and rehabilitation training can be individually guided.
Preferably, a threshold value is set in a central processor of the spine physiological curvature monitoring device, and when the spine fatigue index exceeds the threshold value, the spine physiological curvature monitoring device alarms in a vibration mode of a vibration unit to remind a subject that the spine is in a fatigue state and needs to perform activity or correct bad postures;
where spinal fatigue index = angle of forward curvature of the spine x duration of curvature.
Preferably, a threshold is set in a central processor or the external equipment of the spine physiological curvature monitoring device, and when the spine fatigue index exceeds the threshold, the spine physiological curvature monitoring device alarms in a vibration mode of a vibration unit or the monitoring application program reminds a subject that the spine is in a fatigue state and needs to be moved or bad postures are corrected;
where spinal fatigue index = angle of forward curvature of the spine x duration of curvature.
Preferably, the curvature of the spine of the subject's rehabilitation training process is presented back to the subject in visual form on an external device in real time and visually guides the user for rehabilitation training.
Preferably, an individualized exercise prescription is set on the external equipment according to the age condition and the spine health condition of the subject, and the subject is guided to carry out rehabilitation training through a music or visual biofeedback form; the personalized exercise prescription includes: the degree of lumbar flexion for "xiaoyan" exercises, duration of each exercise, number of cycles, and intermittent time.
Preferably, the spine physiological curvature monitoring device performs self calibration before use, acquires the current value of the strain resistor type curvature sensor after the device is started, performs zero drift calibration, and starts and acquires 100 times of data of the strain resistor type curvature sensor again after the zero drift calibration, and the average value of the 100 times of data is used as the calibration zero degree.
The functions of accurately collecting the bending degree and direction of the spine, monitoring the bad posture of the human body, assisting rehabilitation training of 'little swallow' and the like can be realized. The invention aims to provide a wearable human spine bending angle and direction monitoring system for office workers, students and patients with lumbar and cervical spondylosis, which can conveniently and real-time monitor spine physiological bending data, effectively obtain information such as spine activity degree, curvature degree and the like, timely feed back and remind a user, evaluate the health condition of lumbar and cervical spondylosis based on the device, and formulate an individualized lumbar and back muscle exercise scheme so as to achieve the aims of rehabilitation and prevention of spine diseases.
Drawings
FIG. 1 is a schematic block diagram of a spinal physiological curvature monitoring device of the present invention;
FIG. 2 is a schematic representation of the upper side construction of the spinal physiological curvature monitoring device of the present invention;
FIG. 3 is a schematic view of the underside of the spinal physiological curvature monitoring device of the present invention;
FIG. 4 is a schematic illustration of an application of the spinal physiological curvature monitoring device of the present invention;
FIG. 5 is a circuit diagram of a strain resistive bending sensor excitation and signal acquisition;
FIG. 6 is a flow chart of spine curvature data processing;
fig. 7-8 are schematic diagrams of "small Yan Fei" interactive rehabilitation training.
Detailed Description
The device and the method for monitoring the physiological curvature of the spine are described in detail below with reference to the accompanying drawings.
The basic idea of the application is that the bending motion sensor accurately obtains the data of the bending degree and the direction of the spine, and based on the data, the bending degree and the fatigue degree of the spine can be quantitatively estimated, so that the user can be reminded by feedback in real time. On the basis, a method for regulating the healthy intervention of the spine and performing rehabilitation exercise is provided, and the rehabilitation training of the spine is individually guided.
Fig. 1 is a schematic block diagram of a spine physiological curvature monitoring device, which comprises curvature sensor modules 2 and 3, a central processing module 12, a power module 6, an electric stimulation module 11, a bluetooth module 13, an indicator lamp 10, a vibration prompting unit 8, a key input unit 4 and the like. Wherein the bending sensor modules 2 and 3 are composed of two strain resistance type bending sensors (three or more) and have ultrathin packaging, so that the strain resistance type bending sensor module can be closely attached to the lumbar vertebra or cervical vertebra of a user, and can conveniently and accurately acquire the information of the bending degree and direction of the spine. After AD sampling, the curvature information detected by the curvature sensor module enters the central processing module, and after finishing the functions of signal processing, drying, calibration and the like, the curvature information can be transmitted to external equipment such as a smart phone, a mobile terminal PAD and the like through the Bluetooth module. The smart phone or the mobile terminal PAD can also communicate with the central processing module through the Bluetooth module to send out state control and prompt information, such as prompting that a user is in a bad body posture state through the vibration module or prompting that a certain group of rehabilitation training is finished. The electrical stimulation module is used for generating electrical stimulation under the long-term bending or fatigue state of the spine so as to relieve fatigue. The key input unit is used for controlling the on-off of the system, and when the on-off key is pressed for 3 seconds, the system is started, can be used for monitoring the curvature of the spine or rehabilitation training, and enters a standby state. The indicator light is used for prompting the current state of the system, such as normal operation or insufficient battery. The power module is an external unit for charging the built-in battery of the system, and can be a commonly used mini-USB interface with the voltage of 5V for convenience.
The bending sensor module, the central processing module, the power module, the electric stimulation module, the Bluetooth module, the indicator light, the vibration prompting unit, the key input unit and the like are integrated together, the integrated design is realized, the whole monitoring device is arranged in a patch form, the application of the monitoring device is convenient, the flexible rubber material packaging is used, and the monitoring device can be firmly adhered to physiological bending positions such as spinal processes of a human body. The spinal physiological curvature monitoring device is shown in fig. 2 and 3. The whole monitoring device is characterized in that two ends of the whole monitoring device are oval, the middle section is rectangular, a central processing unit 12, a circuit board 9, a vibration module 8, a power module 6 and other hardware structures are placed at one end of the whole monitoring device, the whole monitoring device is attached to the lumbar vertebra or the cervical vertebra of a user through double-sided buffer gel, the attaching process is designed to be pasted through a center point contact method, namely, two sides of the double-sided gel can move relatively (one side is pasted with the skin of the user, one side is pasted with the monitoring device), the two ends of the monitoring device have automatic movable spaces, and accordingly the human body vertebra can be attached to the device in the whole process of vertebra bending monitoring and the process of training by combining actions such as small swallow flight, and the like, so that the accurate monitoring effect is achieved.
The hardware structure of the spine curvature monitoring device comprises a patch 1, curvature sensor modules 2 and 3, a power switch button 4, a power module 6, a vibrator 8, an indicator lamp 10, an electric stimulation sensor 11, a central processing unit 12 and a Bluetooth module 13. The patch 1 is provided with a double-sided buffer adhesive tape, one side of the double-sided buffer adhesive tape is gel and used for adhering to the patch, the other side of the double-sided buffer adhesive tape is medical adhesive and used for adhering to the skin of a user, the gel and the medical adhesive tape can be respectively arranged on two sides of a substrate, the substrate is made of high-quality cotton elastic cloth, and the medical adhesive tape is medical pressure-sensitive adhesive; the cotton elastic cloth and the medical pressure-sensitive adhesive are combined through an S-shaped breathable gluing process, and the cotton elastic cloth has 170% elasticity equivalent to the extensibility of muscles. The gel layer is hydrophilic polymer hydrogel, takes water as a dispersing medium, introduces a part of hydrophobic groups and hydrophilic residues into the water-soluble polymer with a reticular cross-linked structure, has soft property, can keep a certain shape, and can absorb a large amount of water. The structure makes the paster provide enough buffering along with the bending of the spine of a user, avoids the separation of the monitoring device and the skin of the user in the bending process by the metal strain resistance type bending sensor in the paster, and provides free movement space for the two ends of the monitoring device, so that the device can be clung to the spine of a human body in the whole process of monitoring the bending of the spine, and can not fall off, thereby achieving accurate monitoring effect. The bending sensor 2 and 3 are located on the middle-upper portion of the whole monitoring device, the hardware interface circuit board is arranged at the tail end of the whole monitoring device, the design is beneficial to the fact that the maximum sensitive zone of the bending sensor is located on the middle-upper portion of the monitoring device, and the bending sensor is more beneficial to being arranged at the position with the maximum bending change of the lumbar vertebra of a human body, so that accurate lumbar vertebra bending data can be obtained.
When the monitoring device is tightly attached to physiological bending positions such as spinous processes of human spine through the patch 1, the power switch key 4 is pressed for more than 3 seconds for a long time, the monitoring device is started, at this time, the action of bending the human body can be converted into accurate analog voltage output through the bending sensor, the accurate analog voltage output is acquired by the central processing unit 12, data are uploaded to other devices such as a mobile phone or a mobile processing terminal PAD through the Bluetooth module 13, an application program is operated on the mobile phone or the mobile processing terminal PAD, a processing mode (warning or alarm) can be judged according to the set bending angle threshold, the bending time statistical threshold and the body temperature in the treatment process, the processing result is downloaded to the central processing unit 12 through the Bluetooth module, and the central processing unit 12 controls the vibration module 8 and the indicator lamp 10 to send warning and alarm information.
The central processing unit 12 controls the power module 6 to conduct charging management in the charging mode. The power switch 4 surrounds the indicator light to indicate the degree of charging. The electro-stimulation module 11 is placed at one end of the patch, and can output current signals with specific frequency, form and intensity according to the requirement, so as to relieve fatigue. The curvature sensors 2 and 3 are positioned in the middle of the patch, one records the curvature of the spine in the sagittal plane of the human body, the other records the curvature angle of the spine in the frontal plane of the human body, and simultaneously, the rotation angle of the spine of the human body can be calculated by combining the two sensor data. The patch 1 is characterized in that two ends are oval, the middle section is rectangular, and hardware structures such as a central processing unit, a circuit board, a vibration module, a power module and the like are arranged at one end of the patch. The patch is made of flexible rubber material and can be firmly adhered to physiological bending positions such as spinal spinous processes of human bodies. The patch length was 30cm, the width of the oval section was 15cm, and the width of the rectangular section was 10cm.
The application schematic diagram of the spine physiological curvature monitoring device is shown in fig. 4, the hardware structure of the monitoring device 1A is stuck to the lumbar curvature section of the spine of a human body, the power supply of the hardware structure is started through a key, and Bluetooth is started at the mobile phone or mobile PAD end to be connected with Bluetooth of the hardware structure in a pairing mode. After the pairing is successful, the bending angle of the bending sensor can be displayed in real time at the mobile terminal 2A. Based on the spinal curvature information, key indexes of the spinal curvature, direction, duration and fatigue index can be further monitored and fed back for reminding, so that the aim of preventing spinal injury is fulfilled. Furthermore, based on the information, the personalized and interactive spine rehabilitation training can be carried out, so that the scientific, reasonable and customized training effect is achieved.
The strain resistance bending sensor excitation and signal acquisition circuit is shown in fig. 5. The circuit adopts a typical bridge measurement mode, is excited by a constant voltage source 12B, and when the curvature sensor is bent along with the spine of a human body, the output resistance of the sensor can change, and the sensor is sampled by an A/D circuit 12A and then enters a central processing unit 12 for further data processing.
The spinal curvature data processing flow is shown in fig. 6. In order to improve stability and sensitivity of column bending detection, a dual-sensor data alternating effective method is adopted, and iterative accumulation average is adopted. The specific formula is described as follows: representing the ith sampling result of the sensor F1, X F2 (i+1) represents the ith+1 sampling result of the sensor F2, F i represents the output value of the ith sampling result, and the basic sampling formula is shown in formula 1:
Then the basic iteration formula is as follows:
According to the sampling rate of 1KHz, every 100 points are accumulated averagely, and at the same time, an iterative algorithm is applied, so that under the condition of unchanged sampling rate, the sampling accumulated average value of 100 points is obtained, and the signal to noise improvement ratio is according to
Cumulative averaging at 100 points can improve signal to noise by a factor of 10. The method not only improves the signal-to-noise ratio of the data, so that the sensitivity and stability of the minimum resolution of the bending angle of 2 degrees can be achieved, but also high real-time high sampling rate data acquisition can be achieved.
After the iterative accumulation and averaging of the measured data are completed, the system performs self calibration before the device is used, the current value of the bending sensor is collected after the monitoring device is started, zero drift calibration is performed, after the zero drift calibration is performed, the monitoring device is started again to collect 100 times of data of the bending sensor, and the 100 times of sampling average value is used as a calibration zero degree. After the zero drift is removed from the angle data, the monitoring device performs 90-degree and zero-degree bilateral calibration, the calibrated angle data is quantitatively output, and meanwhile, the rotation angle of the human spine can be calculated qualitatively by combining the difference of the two sensor data.
Taking two strain resistance type curvature sensors as an example, when a hardware structure of the monitoring device is stuck to a waist curvature section of a human spine, the two sensors can monitor front and back curvature and sagittal curvature of the spine at the same time, when curvature data are utilized, the results of the two sensors can be averaged to reflect the curvature degree of the spine, and the difference value of the results of the two sensors can be obtained, so that the difference value can reflect the left and right rotation curvature and frontal curvature of the spine of the human body, which are simultaneously generated in the front and back bending process. Therefore, the information on the front-back curvature and the rotation angle of the spine can be obtained simultaneously through the two curvature sensors.
If three curvature sensors are used simultaneously, and the rotation direction and the angle are further judged through the difference value between the output results of the three sensors, specifically, the output results of the two side sensors and the result of the middle sensor are calculated by taking the middle position sensor as a reference, when the left side of the spine rotates and the right side rotates, the sign of the difference value is different, the rotation direction of the spine can be judged according to the difference value, and the rotation angle can be judged based on the difference value.
On the basis of the spine curvature monitoring device, real-time spine curvature monitoring, fatigue state early warning and prompting, individuation and interactive spine rehabilitation training can be carried out. The ideal carrier for completing the functions is a smart phone or an intelligent mobile terminal such as PAD, and professional APP software is operated on the carrier and is communicated with the monitoring device in a Bluetooth mode. The information of the curvature degree, the curvature direction and the activity degree of the spine is transmitted to the mobile phone APP or the mobile PAD in real time, and a real-time monitoring program is operated on the mobile phone APP or the mobile terminal PAD, so that the current curvature degree, fatigue degree and the like of the spine can be fed back to prompt a user, and rehabilitation training is individually guided.
The mobile phone APP can monitor and record the spine bending angle and duration, define spine fatigue index = spine forward bending angle × bending duration, can set for fatigue index threshold in APP by people, when exceeding this threshold, the system is automatic to report to the police, with the mode of vibrating unit vibration, or the mode of mobile phone APP automatic suggestion, reminds the user that the spine is in fatigue state, need carry out the activity or correct bad posture.
Fig. 7 and 8 are schematic diagrams of the interactive rehabilitation training of "small Yan Fei". First, the figure 7 posture is kept in a relaxed state, the figure 8 posture is kept in a swallow-fly state, one swallow-fly training action is repeated by the figures 7 and 8 posture, and the swallow-fly training prescription is generally divided into four parts: (1) repeating the swallow training action; (2) a swallow-like attitude predetermined angle; (3) swallow attitude maintenance time; (4) relax posture maintenance time. A rehabilitation exercise prescription such as "xiaoyan" may be set to: the swallow-fly posture is maintained for 3 seconds, the swallow-fly posture is set at a predetermined angle of 15 degrees, relaxed for 10 seconds, and repeated 3 times. When the spine rehabilitation training of actions such as 'little swallow' is performed, an individualized exercise prescription can be set in the APP according to the age condition and the spine health condition of a user, and the user is interactively guided to perform the rehabilitation training in a biofeedback form such as music or vision. The individualized exercise prescription includes: the lumbar vertebra bending degree of the small swallow-fly motion, the duration of each motion, the number of times of cyclic exercises, the intermittent time and the like, and each user can be provided with a plurality of rehabilitation training prescriptions in different combinations according to the opinion of professionals (doctors or body-building coaches). In the rehabilitation training process, the curvature and the duration of the lumbar vertebra meet the set requirements, and an effective rehabilitation action is calculated, so that the accuracy and the effect of the training are ensured. The curvature of the spine in the rehabilitation training process of the user can be presented to the user in real time in a visual feedback mode, and the user can be guided to perform rehabilitation exercises such as 'little swallow' and the like in a visual guiding method. In the rehabilitation training process, the information of the curvature of the spine is judged and processed in real time, after the information reaches a preset value, the user is prompted by automatic voice prompt or visual prompt or vibration prompt, positive feedback is formed, and when the curvature does not reach the standard or the duration is not long enough, the user can grasp the rehabilitation exercise action better.
The current effective rehabilitation training times and time information can be stored and compared and analyzed with the historical data, so that doctors can dynamically observe the training effect of the user in a period of time and dynamically adjust the rehabilitation training prescription.
The application mode of the spinal curvature monitoring device in rehabilitation training is described by taking the training of 'little swallow' as an example, and other training can be performed by compiling corresponding exercise prescriptions according to the training mode and the purpose, so that the same purpose of individuation and interaction training is achieved.
The spine physiological curvature monitoring device and the spine physiological curvature monitoring method have the following advantages:
1. According to the spine physiological curvature monitoring device and the spine physiological curvature monitoring method, spine curvature information is acquired by the strain resistor type curvature sensor, the sensor is provided with ultrathin packaging, can be closely attached to the lumbar vertebra or cervical vertebra of a user, and can acquire the information of the spine curvature degree and direction conveniently and accurately; compared with the current activity detection method based on acceleration and gyroscope, the strain resistance-based bending sensor can obtain the change of the relative bending angle, and the acceleration and gyroscope sensor can measure the angle change relative to the direction of the earth attraction, so that the measurement of the relative bending degree is inaccurate.
2. The spine bending degree monitoring unit comprises more than two strain resistance type bending sensors which are used for respectively capturing the bending degree of the spine in the sagittal plane of the human body and the bending angle of the spine in the frontal plane of the human body, wherein the detected spine bending information of the plurality of sensors is synchronously collected by a microprocessor and is subjected to fusion analysis processing to obtain quantitative information of the spine bending degree (relative to the sagittal plane) and the rotation angle (relative to the frontal plane);
3. And a plurality of sensors of the spine curvature monitoring unit adopt a multipoint average accumulation denoising algorithm, so that the stability and the sensitivity of spine curvature detection are improved. By adopting a double-sensor data alternating effective method, iterative accumulation and averaging are adopted, so that the signal-to-noise ratio of data is improved, the stability is ensured, and meanwhile, higher real-time high-sampling rate acquisition is achieved;
4. The whole monitoring device is set to be in a patch form, is convenient to paste and use, is packaged by using a flexible rubber material, can be firmly stuck to physiological bending positions such as spinal spinous processes of a human body, is stuck to lumbar vertebrae or cervical vertebrae of the user through double-sided buffer gel, is designed to be stuck by a center point contact method in a sticking process, namely, two sides of the double-sided gel can relatively move (one side is stuck to the skin of the user, and the other side is stuck to the monitoring device), so that two ends of the monitoring device have an automatic movable space, and the device can be clung to the human body in the whole process of monitoring the bending of the spine and the training process of combining actions such as small swallow flight, and can not fall off, thereby achieving an accurate monitoring effect; the hardware circuit board of the whole monitoring device is positioned at the tail end (also can be defined as the lower end) of the whole swallow-aircraft module, the design is beneficial to the maximum sensitive interval of the bending sensor to be positioned at the middle upper part of the whole module, and the swallow-aircraft bending sensor is more beneficial to being placed at the position with the maximum change of the human lumbar vertebra bending, so that accurate lumbar vertebra bending data can be obtained.
5. The data is accurate. After the zero drift of the angle data is removed, carrying out 90-degree and zero-degree bilateral calibration, quantitatively outputting the calibrated angle data, carrying out self calibration before the device is used, firstly collecting the current value of the bending sensor after the monitoring device is started, carrying out zero drift calibration, and after the zero drift calibration, starting the monitoring device again to collect 100 times of data of the bending sensor, wherein the 100 times of sampling average value is used as the calibration zero degree;
6. And data is transmitted in real time, so that feedback is facilitated. After the spine curvature information obtained by the spine curvature monitoring unit is sampled and processed by the microprocessor AD, the spine curvature information is sent to other equipment such as a mobile phone or a mobile PAD in a Bluetooth communication mode, corresponding programs are operated on the mobile phone or the mobile PAD, the information of the spine curvature degree and the activity degree of a user can be obtained in real time, and when the condition that the spine curvature is overlarge or the curvature duration is overlong occurs to the user, the user can be reminded through an application program and the vibration unit in real time in a feedback mode;
7. Has an intervention function. When the user has the condition of overlarge spinal curvature or overlong curvature duration, the current stimulation unit arranged in the monitoring system is further used for generating percutaneous nerve electric stimulation, and pulse current with specific frequency, intensity and shape is acted on the monitoring part through the skin to play roles in relieving pain and fatigue;
8. And real-time feedback is facilitated. The spine physiological curvature monitoring device is used for acquiring the information of the curvature, the bending direction and the activity degree of the spine of a user in real time, performing intervention adjustment and rehabilitation training based on the information, transmitting the information of the curvature, the bending direction and the activity degree of the spine to a mobile phone APP or a mobile PAD in real time, and running a real-time monitoring program on the mobile phone APP or the mobile terminal PAD to give feedback to prompt the user of the current curvature degree, fatigue degree and the like of the spine and guiding the rehabilitation training individually;
9. Fatigue is monitored quantitatively by threshold. The method for quantifying the fatigue degree of the lumbar and dorsal muscles (spines) is provided, wherein the fatigue index of the spines=the forward bending angle of the spines and the bending duration time can be set manually, when the fatigue index threshold is exceeded, the system automatically alarms, and a vibration unit vibrates or a mobile phone APP automatically prompts to remind a user that the spines are in a fatigue state, and activities are required to be carried out or bad postures are corrected;
10. Lumbar vertebra health is managed in a banking manner. The method comprises the steps of quantitatively evaluating bad posture conditions and lumbar muscle exercise conditions of a user, wherein the forward bending of the spine is an adverse event, taking money to a bank, the backward bending of the spine or performing rehabilitation exercise is an beneficial event, and saving money to the bank; the bank has the remaining money or gradually increases, so that the spine health condition is good and continuously improved, the bank liabilities, and the spine health condition is bad and needs to be intervened and adjusted;
11. Is convenient for individual training. Based on the spinal curvature monitoring device, rehabilitation training of actions such as individual 'little swallow' and the like is carried out. Setting an individual exercise prescription according to the age condition and the spine health condition of a user, and guiding the user to perform rehabilitation training in a biofeedback form such as music or vision; the individualized exercise prescription includes: the lumbar vertebra bending degree of the small swallow-fly action, the duration of each action, the number of circulating exercises, the intermittent time and the like, and each user can be provided with a plurality of rehabilitation training prescriptions with different combinations according to the opinion of professionals (doctors or body-building coaches);
12. And correction and adjustment of the training scheme are facilitated. The effective rehabilitation training times and time information can be stored and compared and analyzed with the historical data, so that doctors can dynamically observe the training effect of the user in a period of time and dynamically adjust the rehabilitation training prescription;
13. Facilitating guidance during the training process. The spine curvature of the user in the rehabilitation training process can be presented to the user in a visual feedback mode in real time, the user can be guided to perform rehabilitation exercises such as 'little swallow' and the like by a visual guiding method, the information of the spine curvature is judged and processed in real time in the rehabilitation training process, after the information reaches a preset value, voice prompt or visual prompt or vibration prompt is automatically carried out, the user is encouraged to form positive feedback, and when the curvature does not reach the standard or the duration is not long enough, voice, visual or vibration prompt is carried out, so that the user can better grasp the rehabilitation exercise action.
Claims (7)
1. A spinal physiological curvature monitoring device, comprising: the device comprises a curvature sensor module, a central processing unit, a patch and a vibration prompting unit;
the bending sensor module and the central processing unit are packaged in the patch;
The curvature sensor module comprises three strain resistance type curvature sensors, the three strain resistance type curvature sensors are arranged along the length direction of the patch, and the spine curvature information output by the three strain resistance type curvature sensors is sent to the central processing unit for processing;
the patch is made of silica gel or rubber; the patch is adhered to the physiological bending position of the spine of the subject through a double-sided adhesive tape; the double-sided adhesive patch has a first side of gel for bonding to the patch and a second side of medical adhesive for adhering to the subject;
Each of the three strain resistance type bending sensors is used for monitoring the bending angle of the front and back directions of the spine and the bending of the sagittal plane of the human body; averaging the measurement results of each of the three strain resistance bending sensors to obtain the bending of the sagittal plane of the subject, and calculating the measurement results of each of the three strain resistance bending sensors to obtain the bending of the frontal plane of the human body;
The vibration prompting unit is controlled by the central processing unit to vibrate so as to prompt a subject through the vibration;
Judging the rotation direction and angle of the human spine by the curvature difference between the measurement results of the three strain resistance curvature sensors; the central processing unit performs scaling on the measurement results of the three strain resistance type bending sensors by 90 degrees and 0 degrees after zero drift is removed, and the bending of the sagittal plane and the bending of the frontal plane are the bending after scaling;
The spine physiological curvature monitoring device is self-calibrated before being used, the current values of the three strain resistance type curvature sensors are collected after the spine physiological curvature monitoring device is started, calibration is carried out at 90 degrees and 0 degrees respectively after zero drift is removed, then the spine physiological curvature monitoring device is started again and collects 100 times of data of the three strain resistance type curvature sensors, and the average value of the 100 times of data is taken as the calibration zero degree.
2. The spinal physiological curvature monitoring device of claim 1, wherein: the spine physiological curvature monitoring device further comprises an electrical stimulation unit; the electric stimulation unit is controlled by the central processing unit to discharge so as to electrically stimulate the subject.
3. The spinal physiological curvature monitoring device of claim 2, wherein: the electric stimulation unit outputs a current signal with preset frequency and intensity to electrically stimulate the subject.
4. The spinal physiological curvature monitoring device of claim 1, wherein: the spinal physiological curvature monitoring device also comprises a communication module for communicating with external equipment.
5. The spinal physiological curvature monitoring device of claim 4, wherein: the communication module is a Bluetooth module; the external equipment is a smart phone, and a monitoring application program is run on the external equipment; the spine physiological curvature monitoring device sends the spine curvature information processed by the central processing unit to external equipment in real time through the Bluetooth module.
6. The spinal physiological curvature monitoring device of claim 5, wherein: and the external equipment feeds back the subject in an audio and/or visual form according to the received spine curvature information so as to remind the subject of the status of the spine.
7. The spinal physiological curvature monitoring device of claim 5, wherein:
The external equipment is provided with a threshold value, and when the spine fatigue index exceeds the threshold value, the spine physiological curvature monitoring device alarms in a vibration mode of the vibration unit or the monitoring application program reminds the subject that the spine is in a fatigue state and the poor posture needs to be corrected;
where spinal fatigue index = angle of forward curvature of the spine x duration of curvature.
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