CN110934596A - Attached type trunk posture monitoring device and method - Google Patents
Attached type trunk posture monitoring device and method Download PDFInfo
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- CN110934596A CN110934596A CN201911197749.9A CN201911197749A CN110934596A CN 110934596 A CN110934596 A CN 110934596A CN 201911197749 A CN201911197749 A CN 201911197749A CN 110934596 A CN110934596 A CN 110934596A
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1116—Determining posture transitions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1126—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique
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Abstract
The invention discloses an attached type trunk posture monitoring device and method for people at desk, which comprises an upper computer, a small integrated circuit, a medical electrical stimulator and a medical electrode patch, wherein the small integrated circuit comprises a single chip microcomputer, a WIFI communication module and an amplification filter circuit; acquiring deformation information of a trunk of a user by a front-end PVDF sensor and inputting a charge signal; the amplifying and filtering circuit amplifies the charge signal and converts the amplified charge signal into a voltage signal, and partial noise is filtered; the single chip microcomputer acquires a voltage signal and sends the voltage signal to the WIFI module; the WIFI module transmits the signal to an upper computer; the upper computer judges whether a user is in a normal posture or not and sends an instruction of whether electric shock stimulation is needed or not to the single chip microcomputer; the single chip microcomputer controls whether the medical electrical stimulator works or not. The invention can be used for monitoring the physical state of people at desk and intelligently prompting people, and mainly adjusting a series of posture problems caused by abnormal sitting postures and the like.
Description
Technical Field
The invention relates to the field of intelligent wearable rehabilitation equipment, in particular to an attached type device and a method for monitoring trunk postures of people at desk.
Background
In recent years, with the increase of desk learning work modes and 'head lowering', skeletal Muscle Diseases (MDs) are frequently generated due to long-term abnormal postures of human bodies, and more serious patients are accompanied with skeletal deformity, hyperplasia, degeneration and the like, so that the learning work efficiency of people is greatly influenced by pain discomfort, image change and the like, even the study, the shutdown, the production halt and the like are greatly reduced, the social productivity is greatly reduced, and the living quality of patients influenced by the pain is seriously reduced. Although huge medical and educational expenses are spent on preventing and treating the diseases every year, the effect is very little and the lasting effect is poor. The reasons for this are mainly: the influence on the patient in the early stage of the abnormal posture is small, the attention degree of the patient is not high, the patient usually needs to be hospitalized to see a doctor when the spinal deformity is serious, the long-term abnormal posture is habituated and is difficult to correct, time consumption and little effect are caused at the time, even a large medical wound is caused, and a lot of pain is brought to the life of the patient. .
In fact, as long as the body posture is paid more attention in daily life, the occurrence and development of subsequent diseases can be better prevented and treated by reminding correction in real time. Therefore, how to supervise and ensure the correct body posture in the learning work becomes a hot spot of the common research in many fields such as medical health, engineering technology, physical health and the like. Much research and current solutions have improved this situation mainly from two aspects: firstly, shorten single continuous study and operating time, avoid leading to the posture unusual and pathogenic because of excessive fatigue, the main mode has break between class/the workshop, when playing screen accuse, regularly shift post, class/the workshop behaviour etc. but the main problem of these modes lies in: the method is roughly defined according to time, and individual difference and work type difference of people are difficult to distinguish; meanwhile, the concept of correct posture for human health cannot be established in the audience just by limiting the working time, and the method is often little effective in places with high working intensity and insufficient long-term health awareness. The second is mainly corrected through human body efficiency, and the more common mode is as follows: functional desk and chair, waist/neck passive brace and the like. This approach is often limited by the field and environment, or requires the use of large and bulky instruments to correct the posture of the patient (such as neck support/waist support, Milwaukee brace/Boston brace, etc.), which not only brings great inconvenience to the patient, but also is limited by the pertinence of the device, the lowering of the long-term passive support function, etc., and cannot be widely and effectively used for a long time. Therefore, the portable wearable intelligent device capable of sensing the body state change through the piezoelectric film sensor and performing stimulation correction on the bad posture is designed, the motion and body state change conditions of the human body can be accurately monitored, the bad posture can be subjected to stimulation correction, and the novel mobile intelligent device integrating personalized monitoring, prevention and correction is achieved.
Disclosure of Invention
The invention aims to overcome the defects that real-time supervision, personalized customization, passive support and the like cannot be realized in the prior art, and provides an attached type device and a method for monitoring the trunk posture of a person at desk, which avoid various inconveniences such as hardness, heaviness, more constraint and the like of the conventional equipment through portable and flexible wearable equipment; the aim of prompting and correcting the posture is achieved by specifically stimulating the target site of the body, so that the aims of personalized monitoring correction and autonomous adjustment are achieved, and the device has the characteristics of simplicity in wearing, portability, comfort, low cost and the like.
The purpose of the invention can be realized by the following technical scheme.
The trunk posture monitoring device for the attached type prone table crowd comprises an upper computer, a small integrated circuit, a medical electrical stimulator and a medical electrode patch, wherein the small integrated circuit comprises a single chip microcomputer, a WIFI communication module and an amplification filter circuit, the single chip microcomputer is respectively and electrically connected with the WIFI communication module, the amplification filter circuit and the medical electrical stimulator, the medical electrode patch is electrically connected with the electrical stimulator, a front-end PVDF sensor with a flexible piezoelectric film is carried on the surface of the medical electrode patch, and the front-end PVDF sensor is connected with the amplification filter circuit;
the front-end PVDF sensor acquires deformation information of the trunk of a user and inputs the deformation information to the amplifying and filtering circuit in the form of a charge signal; the amplifying and filtering circuit amplifies an original charge signal and converts the amplified charge signal into a voltage signal, and partial noise is filtered out; the single chip microcomputer acquires a voltage signal, processes the voltage signal and sends the signal to the WIFI module; the WIFI module transmits the signal to an upper computer; the upper computer judges whether a user is in a normal posture or not through comparison and analysis after acquiring the signals, and therefore an instruction of whether electric shock stimulation is needed or not is sent to the single chip microcomputer through the WIFI module; the single chip microcomputer controls whether the medical electrical stimulator works or not according to the instruction of the upper computer.
The positions of the medical electrode patch are as follows: the position of 1-2 cm outside the first thoracic vertebra, the position of 1-2 cm inside the inner upper corner of the scapula, the position of 1-2 cm inside the inner lower corner of the scapula and the position of 1-2 cm beside the spinous process of the third lumbar vertebra.
The purpose of the invention can be realized by the following technical scheme.
The invention discloses a monitoring method based on an attached type device for monitoring trunk posture of people at desk, which comprises the following steps:
the first step is as follows: attaching a medical electrode patch to the skin surface of a user, wherein the surface of the medical electrode patch is provided with a front PVDF sensor with a flexible piezoelectric film;
the second step is that: opening the upper computer, enabling a user to adjust to an end-sitting and lying posture, collecting the posture condition of stable breathing for 10-15 times, storing data, acquiring deformation information of the trunk of the user through a front-end PVDF sensor, and outputting the deformation information to an amplification filter circuit in the form of a charge signal;
the third step: the amplifying and filtering circuit amplifies the original charge signal and converts the amplified charge signal into a voltage signal, and part of noise is filtered; the single chip microcomputer acquires a voltage signal, processes the voltage signal and sends the signal to the WIFI module; the WIFI module transmits the signal to an upper computer;
the fourth step: after acquiring piezoelectric change data reflecting the body form change degree, the upper computer averages the values acquired by each breath to obtain a threshold range of the minimum value and the maximum value of the average value of each channel data, then acquires real-time data of a user, and judges that the posture of the user is correct when the data of each channel is in the threshold range, and adjustment is not needed; when the data of one channel is not in the threshold range, the posture is considered to be nonstandard at the moment, the upper computer sends an electric shock stimulation signal to the single chip microcomputer, the single chip microcomputer controls the medical electrical stimulator to work, and the medical electrode patch conducts the electrical stimulation signal to carry out electrical stimulation training on the corresponding part of the user, so that the user is reminded to adjust the posture of the posture independently, and the purpose of correcting the abnormal posture is achieved.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) the invention accurately monitors the body state change condition in real time through the piezoelectric film, can detect the deformation state or degree of the trunk or the spine through the breathing state, and synchronously implements stimulation prompt with corresponding strength, thereby achieving the effects of real-time reminding monitoring, prevention and correction.
(2) The invention can adjust parameters individually according to different body states, sensitivity degrees and position requirements, performs targeted electrical stimulation according to preset settings, and integrates individual monitoring, prevention and correction into a whole.
(3) The invention filters conscious autonomous movement by multi-channel and multi-part parallel monitoring, and only aims at unconscious posture problems, thereby not influencing the normal life of users.
(4) The invention aims to urge a user to adjust the posture independently, and compared with an external auxiliary tool, the invention can effectively avoid irreversible organism function loss such as muscle atrophy and the like.
Drawings
FIG. 1 is a schematic diagram of the principle of the attached type body posture monitoring device for people at desk;
FIG. 2 is a general schematic view of the trunk posture monitoring device for the attached type bending over table crowd;
FIG. 3 is a schematic diagram of the front end of the attached type torso posture monitoring device for people at desk;
fig. 4 is a schematic view of the position of application of the medical electrode patch of the present invention.
Reference numerals: 1 host computer, 2WIFI module, 3 singlechips, 4 amplifying filter circuit, 5 medical electro stimulator, 6 front end PVDF sensor, CPU in 7 host computer, 8 small-size integrated circuit, 9 medical electrode paster, 10 first thoracic vertebra outside 1 ~ 2cm position, 11 scapula inside upper corner inboard 1 ~ 2cm position, 12 scapula inside lower corner inboard 1 ~ 2cm position, 13 third lumbar vertebrae spinous process side 1 ~ 2cm position.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the trunk posture monitoring device for attached type people at desk comprises an upper computer, a small integrated circuit, a medical electrical stimulator, a medical electrode patch for conducting low-frequency weak electrical stimulation, a single chip microcomputer, a WIFI communication module and an amplification filter circuit, wherein the single chip microcomputer is respectively and electrically connected with the WIFI communication module, the amplification filter circuit and the medical electrical stimulator, the medical electrode patch is electrically connected with the electrical stimulator, a front-end PVDF sensor with a flexible piezoelectric film is carried on the surface of the medical electrode patch, and the front-end PVDF sensor is connected with the amplification filter circuit.
The front-end PVDF sensor acquires deformation information of the trunk of a user and inputs the deformation information to the amplifying and filtering circuit in the form of a charge signal; the amplifying and filtering circuit amplifies an original charge signal and converts the amplified charge signal into a voltage signal, and partial noise is filtered out; the single chip microcomputer acquires a voltage signal, processes the voltage signal and sends the signal to the WIFI module; the WIFI module transmits the signal to an upper computer; the upper computer acquires signals and then judges whether a user is in a normal posture or not through comparison and analysis, and therefore an instruction of whether electric shock stimulation is needed or not is sent to the single chip microcomputer through the WIFI module; the single chip microcomputer controls whether the medical electrical stimulator works or not according to the instruction of the upper computer.
According to the invention, the single chip microcomputer with the thread gluing, the WIFI communication module and the medical electrical stimulator can be fixed on the waist of a user through the waistband, the medical electrode patch is attached to the position shown in the figure 4 and connected with the related components, and then the posture of the user can be monitored and analyzed. As shown in fig. 4, the medical electrode patch 9 can be selected from the following positions: the position 10 of 1-2 cm outside the first thoracic vertebra, the position 11 of 1-2 cm inside the inner upper corner of the scapula, the position 12 of 1-2 cm inside the inner lower corner of the scapula and the position 13 of 1-2 cm beside the spinous process of the third lumbar vertebra.
The invention discloses a monitoring method based on an attached type device for monitoring trunk posture of people at desk, which comprises the following steps:
the first step is as follows: the medical electrode patch is attached to the skin surface of a user, and the front PVDF sensor with the flexible piezoelectric film is carried on the surface of the medical electrode patch. When the part is slightly deformed (such as humpback, deep breathing and the like), the piezoelectric film is correspondingly deformed equally, the deformation quantity corresponds to the signal intensity, namely the larger the deformation quantity is, the larger the charge signal generated by the front-end PVDF sensor is.
The second step is that: and (3) opening the upper computer, enabling the user to adjust to the sitting and lying posture, collecting the posture condition of stable breathing for 10-15 times, storing data, acquiring deformation information of the trunk of the user through the front-end PVDF sensor, and outputting the deformation information to the amplifying and filtering circuit in the form of a charge signal.
The third step: the amplifying and filtering circuit amplifies the original charge signal and converts the amplified charge signal into a voltage signal, and part of noise is filtered; the single chip microcomputer acquires a voltage signal, processes the voltage signal and sends the signal to the WIFI module; and the WIFI module transmits the signal to the upper computer.
The fourth step: after acquiring piezoelectric change data reflecting the body form change degree, the upper computer averages the values acquired by each breath to obtain a threshold range of the minimum value and the maximum value of the average value of each channel data, then acquires real-time data of a user, and judges that the posture of the user is correct when the data of each channel is in the threshold range, and adjustment is not needed; when the data of one channel is not in the threshold range, namely the posture is considered to be nonstandard at the moment, the upper computer sends an electric shock stimulation signal to the single chip microcomputer, the single chip microcomputer controls the medical electric stimulator to work, and the electric stimulation signal is conducted through the medical electrode patch to carry out electric stimulation training on the corresponding part of the user.
Because the front end PVDF sensor is the attached collection, the deformation difference value is consistent with the body posture change difference, and is in positive correlation with the height, namely the larger the difference value is, the larger the posture change is. When the posture difference is acquired, the upper computer analyzes and calibrates, when the difference reaches a certain degree, namely the effective posture is incorrect, the upper computer sends an electric shock stimulation signal to the single chip microcomputer, the single chip microcomputer controls the medical electrical stimulation instrument to work, and conducts the electrical stimulation signal through the medical electrode patch to perform electrical stimulation training on the corresponding part of the user, so that the user is reminded to adjust the posture of the body independently, and the purpose of correcting the abnormal posture is achieved.
The contact interface of the piezoelectric film and the human body adopts a viscous attaching mode, and can be closely attached to the human body, so that the aim of synchronization and precision is fulfilled; and the degree of trunk or spine deformation can be diagnosed by the slight difference of the front and back/left and right receiver signals. Secondly, the device utilizes simple light sensor and stimulator, detects patient's trunk morphometric information and carries out real-time stimulation to bad posture, reaches the purpose of real-time feedback, autonomic adjustment, discovery early, the early correction of taking, and wear for a long time and can provide good induction for the formation of correct posture. Simultaneously, compare with heavy physics brace, the light device of wearing not only has brought very big facility for patient's life, has also avoided excessively relying on outside supplementary brace simultaneously and causing irreversible physiological function loss such as muscle weakness, atrophy.
While the present invention has been described in terms of its functions and operations with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise functions and operations described above, and that the above-described embodiments are illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined by the appended claims.
Claims (3)
1. The trunk posture monitoring device for the attached type prone table crowd is characterized by comprising an upper computer, a small integrated circuit, a medical electrical stimulator and a medical electrode patch, wherein the small integrated circuit comprises a single chip microcomputer, a WIFI communication module and an amplification filter circuit, the single chip microcomputer is respectively and electrically connected with the WIFI communication module, the amplification filter circuit and the medical electrical stimulator, the medical electrode patch is electrically connected with the electrical stimulator, a front-end PVDF sensor with a flexible piezoelectric film is carried on the surface of the medical electrode patch, and the front-end PVDF sensor is connected with the amplification filter circuit;
the front-end PVDF sensor acquires deformation information of the trunk of a user and inputs the deformation information to the amplifying and filtering circuit in the form of a charge signal; the amplifying and filtering circuit amplifies an original charge signal and converts the amplified charge signal into a voltage signal, and partial noise is filtered out; the single chip microcomputer acquires a voltage signal, processes the voltage signal and sends the signal to the WIFI module; the WIFI module transmits the signal to an upper computer; the upper computer judges whether a user is in a normal posture or not through comparison and analysis after acquiring the signals, and therefore an instruction of whether electric shock stimulation is needed or not is sent to the single chip microcomputer through the WIFI module; the single chip microcomputer controls whether the medical electrical stimulator works or not according to the instruction of the upper computer.
2. The trunk posture monitoring device for the attached type at-desk crowd as claimed in claim 1, wherein the positions of the medical electrode patches are as follows: the position of 1-2 cm outside the first thoracic vertebra, the position of 1-2 cm inside the inner upper corner of the scapula, the position of 1-2 cm inside the inner lower corner of the scapula and the position of 1-2 cm beside the spinous process of the third lumbar vertebra.
3. A monitoring method based on an attached type body posture monitoring device for people at desk is characterized by comprising the following steps:
the first step is as follows: attaching a medical electrode patch to the skin surface of a user, wherein the surface of the medical electrode patch is provided with a front PVDF sensor with a flexible piezoelectric film;
the second step is that: opening the upper computer, enabling a user to adjust to an end-sitting and lying posture, collecting the posture condition of stable breathing for 10-15 times, storing data, acquiring deformation information of the trunk of the user through a front-end PVDF sensor, and outputting the deformation information to an amplification filter circuit in the form of a charge signal;
the third step: the amplifying and filtering circuit amplifies the original charge signal and converts the amplified charge signal into a voltage signal, and part of noise is filtered; the single chip microcomputer acquires a voltage signal, processes the voltage signal and sends the signal to the WIFI module; the WIFI module transmits the signal to an upper computer;
the fourth step: after acquiring piezoelectric change data reflecting the body form change degree, the upper computer averages the values acquired by each breath to obtain a threshold range of the minimum value and the maximum value of the average value of each channel data, then acquires real-time data of a user, and judges that the posture of the user is correct when the data of each channel is in the threshold range, and adjustment is not needed; when the data of one channel is not in the threshold range, the posture is considered to be nonstandard at the moment, the upper computer sends an electric shock stimulation signal to the single chip microcomputer, the single chip microcomputer controls the medical electrical stimulator to work, and the medical electrode patch conducts the electrical stimulation signal to carry out electrical stimulation training on the corresponding part of the user, so that the user is reminded to adjust the posture of the posture independently, and the purpose of correcting the abnormal posture is achieved.
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| CN201911197749.9A CN110934596A (en) | 2019-11-29 | 2019-11-29 | Attached type trunk posture monitoring device and method |
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| CN201911197749.9A CN110934596A (en) | 2019-11-29 | 2019-11-29 | Attached type trunk posture monitoring device and method |
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