CN113995202A - Smart Orthopedic Insole System - Google Patents
Smart Orthopedic Insole System Download PDFInfo
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- CN113995202A CN113995202A CN202111373810.8A CN202111373810A CN113995202A CN 113995202 A CN113995202 A CN 113995202A CN 202111373810 A CN202111373810 A CN 202111373810A CN 113995202 A CN113995202 A CN 113995202A
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
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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—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/1036—Measuring load distribution, e.g. podologic studies
- A61B5/1038—Measuring plantar pressure during gait
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6804—Garments; Clothes
- A61B5/6807—Footwear
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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
- A61B5/74—Details of notification to user or communication with user or patient; User input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36003—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of motor muscles, e.g. for walking assistance
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physiology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
本发明公开了一种智能矫形鞋垫系统，其包括鞋垫、电源管理电路、中央控制电路、压力采集电路、足底肌肉刺激电路和上位机，压力采集电路包括柔性电路板、压力传感器组、无源滤波器和数据输出接口，足底肌肉刺激电路包括升压电路、开关电路和电极片。本发明智能矫形鞋垫系统，解决了在人体行走时实时监测足底压力的技术问题，并能通过蓝牙模块将检测数据发送给上位机；且在当足底压力分布异常时，中央处理器向升压电路和开关电路发出控制信号，升压芯片将输出电压升高，当开关电路导通时，电极片即会对足底压力异常部位输出刺激电压，从而告知患者足底哪个部位出现了压力异常，及时提醒患者调整站立或行走姿态。
The invention discloses an intelligent orthopedic insole system, which comprises an insole, a power management circuit, a central control circuit, a pressure acquisition circuit, a plantar muscle stimulation circuit and a host computer. The pressure acquisition circuit includes a flexible circuit board, a pressure sensor group, a passive A filter and a data output interface, the plantar muscle stimulation circuit includes a booster circuit, a switch circuit and an electrode pad. The intelligent orthopaedic insole system of the invention solves the technical problem of real-time monitoring of the sole pressure when the human body is walking, and can send the detection data to the upper computer through the Bluetooth module; and when the sole pressure distribution is abnormal, the central processing The voltage circuit and the switch circuit send out control signals, and the booster chip will increase the output voltage. When the switch circuit is turned on, the electrode pads will output a stimulation voltage to the abnormal part of the sole of the foot, thereby informing the patient which part of the sole of the foot has abnormal pressure. , to remind patients to adjust their standing or walking posture in time.
Description
Technical Field
The invention relates to the technical field of insoles, in particular to an intelligent insole.
Background
The sole pressure is the reaction force of the ground on the sole in the vertical direction under the action of the gravity of the human body when the human body stands still or dynamically travels. The distribution of the plantar pressure can reflect the information of the physiology, the structure, the function and the like of lower limbs and even the whole body, and when the function of the lower limbs and the structure in the feet are slightly changed, the distribution of the plantar pressure load can be changed, so that the plantar pressure monitoring device has important significance for monitoring the plantar pressure. Abnormal standing postures and gaits can be reflected from the pressure distribution of the sole of a foot, the pressure distribution of the sole of the foot can be detected by a sole pressure detector at present, but the existing sole pressure detector is large and heavy in size, is not portable and cannot monitor the pressure condition of the sole of the foot in real time in the free walking process of people; and the abnormal pressure at specific parts of the soles of the feet of the patients cannot be informed, so that the patients can correct the standing or walking postures in time.
Disclosure of Invention
In view of the above, the present invention provides an intelligent orthopedic insole system, so as to solve the technical problems of acquiring the sole pressure of a human body in real time during free walking and informing a patient of a specific part with abnormal pressure when the sole pressure is abnormal.
The intelligent orthopedic insole system comprises an insole, a power supply management circuit, a central control circuit, a pressure acquisition circuit, a plantar muscle stimulation circuit and an upper computer,
the power supply management circuit comprises a lithium battery and a voltage stabilizing chip which is connected with the lithium battery and provides stable working voltage for the outside;
the central control circuit comprises a central processing unit and a Bluetooth module which is connected with the central processing unit and is used for communicating with an upper computer;
the pressure acquisition circuit comprises a flexible circuit board, and further comprises a pressure sensor group, a passive filter and a data output interface which are mutually connected through the flexible circuit board, wherein the pressure sensor group comprises a film pressure sensor for detecting the pressure of the forefoot, a film pressure sensor for detecting the pressure of the side part of the arch of foot and a film pressure sensor for detecting the pressure of the heel; the data output interface is connected with the signal input end of the central processing unit through a data line; a groove matched with the pressure acquisition circuit in shape is formed in the insole, and the pressure acquisition circuit is embedded in the groove;
the plantar muscle stimulation circuit comprises a booster circuit, a switch circuit and an electrode plate, wherein the booster circuit comprises a booster chip, a voltage input port of the booster chip is connected with a voltage output port of a voltage stabilizing chip, and a signal input port of the booster chip is connected with a signal output port of a central processing unit; the voltage output end of the boost chip is connected with the electrode plates through a switch circuit, and the switch circuit corresponds to the electrode plates one to one.
Further, the switch circuit comprises two triodes, the base electrode of the first triode is connected with the signal output port of the central processing unit, the emitting electrode of the first triode is grounded, the collector electrode of the first triode is connected with the base electrode of the second triode, the collector electrode of the second triode is connected with the voltage output end of the booster circuit, and the emitting electrode of the second triode is connected with the electrode plate.
Furthermore, the intelligent orthopedic insole system also comprises a charging management circuit connected with the lithium battery.
Furthermore, the number of the film pressure sensors for detecting the pressure of the forefoot is four, the number of the film pressure sensors for detecting the pressure of the side portion of the arch is one, and the number of the film pressure sensors for detecting the pressure of the heel is three.
The invention has the beneficial effects that:
1. the intelligent orthopedic insole system solves the technical problem of monitoring the pressure of the sole of a foot in real time when a human body walks, and can send detection data to an upper computer through the Bluetooth module.
2. According to the intelligent orthopedic insole system, when the pressure distribution of the soles is abnormal, the central processing unit sends control signals to the booster circuit and the switch circuit, the booster chip boosts the output voltage, and when the switch circuit is switched on, the electrode plates output stimulation voltage to the abnormal positions of the pressure of the soles, so that a patient is informed of which abnormal position of the soles has abnormal pressure, and the patient can adjust the standing or walking posture in time.
3. The intelligent orthopedic insole system adopts the passive filter to filter the output signal of the film pressure sensor, and reduces the influence of unstable factors such as resistance thermal noise, temperature and the like.
4. According to the intelligent orthopedic insole system, the adopted flexible circuit board can obviously reduce the discomfort caused by the pressure acquisition circuit to the sole of the foot.
Drawings
FIG. 1 is a block diagram of a smart orthopedic insole system;
FIG. 2 is a schematic diagram of an interface of a voltage stabilization chip;
FIG. 3 is a schematic diagram of an interface of a CPU;
FIG. 4 is a schematic diagram of a circuit configuration of a passive filter;
FIG. 5 is a schematic view of a USB TYPE-C port;
FIG. 6 is a schematic diagram of the connection of a flexible circuit board to a membrane pressure sensor;
FIG. 7 is a schematic view of a pressure acquisition circuit embedded in an insole;
FIG. 8 is a schematic diagram of an LT8330 boost chip and its peripheral circuitry;
FIG. 9 is a schematic diagram of a switch circuit;
fig. 10 is a schematic diagram of a charge management circuit.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in the figure, the intelligent orthopedic insole system of the embodiment comprises an insole 1, and further comprises a power management circuit, a central control circuit, a pressure acquisition circuit, a plantar muscle stimulation circuit and an upper computer 2.
The power management circuit comprises a lithium battery 3 and a voltage stabilizing chip 4 which is connected with the lithium battery and provides stable working voltage for the outside. Because the voltage of the lithium battery can change along with the electric quantity and cannot provide stable voltage for equipment, the voltage stabilizing chip is used to ensure that the power supply voltage is continuously stabilized at 3.3V. In the embodiment, a linear voltage stabilization chip with the model number of SPX3819-3.3 is adopted.
The central control circuit comprises a central processing unit 5 and a Bluetooth module 6 which is connected with the central processing unit and is used for communicating with an upper computer. In this embodiment, a central processing unit of the model STM32F103C8T6 is used to realize data acquisition, data preprocessing, data transmission and electric quantity monitoring. In the embodiment, the PW-01 Bluetooth module is in communication connection with an upper computer, and has the characteristics of ultralow power consumption, small size, long transmission distance, strong anti-interference capability and the like.
The pressure acquisition circuit comprises a flexible circuit board 7, and further comprises a pressure sensor group, a passive filter 8 and a data output interface 9 which are mutually connected through the flexible circuit board, wherein the pressure sensor group comprises a film pressure sensor 10 for detecting the pressure of the forefoot, a film pressure sensor 10 for detecting the pressure of the side part of the arch of foot and a film pressure sensor 10 for detecting the pressure of the heel, the signal output ends of the film pressure sensors are correspondingly connected with the signal input ends of the passive filter through the flexible circuit board one by one, and the signal output end of the passive filter is connected with the data output interface through the flexible circuit board; the data output interface is connected with the signal input end of the central processing unit through a data line. The shoe pad is provided with a groove matched with the pressure acquisition circuit, and the pressure acquisition circuit is embedded in the groove.
The plantar muscle stimulation circuit comprises a booster circuit 11, a switch circuit 12 and an electrode plate 13, wherein the booster circuit comprises a booster chip, a voltage input port of the booster chip is connected with a voltage output port of a voltage stabilizing chip, and a signal input port of the booster chip is connected with a signal output port of a central processing unit; the voltage output end of the boost chip is connected with the electrode plates through a switch circuit, and the switch circuit corresponds to the electrode plates one to one. In the embodiment, 36V is selected as the maximum stimulation voltage, and a lithium battery boosting chip with the model number of LT8330 is selected. When in use, the electrode plates are attached to the soles of feet, and one electrode plate is correspondingly arranged beside one film pressure sensor.
Because the electric stimulation is too long and easily causes skin burn, a switch circuit is designed in the plantar muscle stimulation circuit. In this embodiment, the switch circuit includes two triodes, a base of the first triode is connected to a signal output port of the central processing unit, an emitter of the first triode is grounded, a collector of the first triode is connected to a base of the second triode, a collector of the second triode is connected to a voltage output terminal of the boost circuit, and an emitter of the second triode is connected to an electrode plate. In this embodiment, the emitter of the second triode is specifically connected to the electrode pad through the audio interface. The triode model adopted in the embodiment is BC847CW, the withstand voltage of the collector and the emitter of the triode is 45V, the withstand voltage of the base and the collector is 50V, and the maximum value of the current which can flow through the collector is 100mA, so that all parameter requirements of electrical stimulation are completely met.
As an improvement to the above embodiment, the intelligent orthopedic insole system further comprises a charging management circuit connected with the lithium battery. The charging management circuit in this embodiment adopts the charging management chip 14 with the model number TP4056, and the charging management chip can be suitable for the work of a USB power supply and an adapter power supply, and has the advantage of portability.
As an improvement to the above embodiment, the number of the film pressure sensors for detecting the pressure of the forefoot is four, and the four film pressure sensors are uniformly distributed in the area of the insole corresponding to the forefoot; the film pressure sensor for detecting the pressure at the side part of the arch is one, and the film pressure sensor is arranged in the middle of the area, corresponding to the side part of the arch, on the insole; the number of the film pressure sensors for detecting heel pressure is three, and the three film pressure sensors are uniformly distributed in the area, corresponding to the heel, of the insole. The film pressure sensors are reasonably distributed, and the distribution condition of the plantar pressure can be more comprehensively and accurately measured.
In specific implementation, the power management circuit, the central control circuit, the booster circuit, the switch circuit and the charging management circuit can be packaged in a box to be worn on feet or other parts of a human body, and the portable charging management device is convenient to carry.
In the embodiment, the intelligent orthopedic insole system monitors the sole pressure in real time through the pressure acquisition circuit arranged in the insole when a human body walks, the central control circuit preprocesses signals input by the pressure acquisition circuit and sends the preprocessed data to the upper computer through the bluetooth module, the upper computer analyzes a sole pressure distribution diagram according to the received signals and compares the sole pressure distribution diagram with a normal sole pressure distribution diagram so as to judge whether the sole pressure distribution is normal or not, judge the abnormal high-pressure part of the sole and the electrode plate number corresponding to the abnormal high-pressure part of the sole and send the electrode plate number data to the central processing unit, the central processing unit controls the boosting circuit to work to increase the output voltage and control the corresponding switch circuit to be conducted according to the received electrode plate number data, so that the corresponding electrode plate discharges to generate electric stimulation to the sole muscle, and informs a patient that the corresponding part of the sole has abnormal pressure, so that the patient can adjust the standing or walking posture in time. The upper computer still can upload the result of analysis to the cloud ware and save, and the cloud ware provides corresponding interface to user and doctor, can look over the distribution of plantar pressure at any time to realize doctor and patient high in the clouds and communicate.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (4)
1. Intelligent orthopedic shoe-pad system, including the shoe-pad, its characterized in that: also comprises a power supply management circuit, a central control circuit, a pressure acquisition circuit, a plantar muscle stimulation circuit and an upper computer,
the power supply management circuit comprises a lithium battery and a voltage stabilizing chip which is connected with the lithium battery and provides stable working voltage for the outside;
the central control circuit comprises a central processing unit and a Bluetooth module which is connected with the central processing unit and is used for communicating with an upper computer;
the pressure acquisition circuit comprises a flexible circuit board, and further comprises a pressure sensor group, a passive filter and a data output interface which are mutually connected through the flexible circuit board, wherein the pressure sensor group comprises a film pressure sensor for detecting the pressure of the forefoot, a film pressure sensor for detecting the pressure of the side part of the arch of foot and a film pressure sensor for detecting the pressure of the heel; the data output interface is connected with the signal input end of the central processing unit through a data line; a groove matched with the pressure acquisition circuit in shape is formed in the insole, and the pressure acquisition circuit is embedded in the groove;
the plantar muscle stimulation circuit comprises a booster circuit, a switch circuit and an electrode plate, wherein the booster circuit comprises a booster chip, a voltage input port of the booster chip is connected with a voltage output port of a voltage stabilizing chip, and a signal input port of the booster chip is connected with a signal output port of a central processing unit; the voltage output end of the boost chip is connected with the electrode plates through a switch circuit, and the switch circuit corresponds to the electrode plates one to one.
2. The intelligent orthopedic insole system according to claim 1, wherein: the switching circuit comprises two triodes, the base electrode of the first triode is connected with the signal output port of the central processing unit, the emitting electrode of the first triode is grounded, the collecting electrode of the first triode is connected with the base electrode of the second triode, the collecting electrode of the second triode is connected with the voltage output end of the booster circuit, and the emitting electrode of the second triode is connected with the electrode plate.
3. The intelligent orthopedic insole system according to claim 1, wherein: the charging management circuit is connected with the lithium battery.
4. The intelligent orthopedic insole system according to claim 1, wherein: the number of the film pressure sensors for detecting the pressure of the forefoot is four, the number of the film pressure sensors for detecting the pressure of the side portion of the arch is one, and the number of the film pressure sensors for detecting the pressure of the heel is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373810.8A CN113995202A (en) | 2021-11-19 | 2021-11-19 | Smart Orthopedic Insole System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373810.8A CN113995202A (en) | 2021-11-19 | 2021-11-19 | Smart Orthopedic Insole System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113995202A true CN113995202A (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111373810.8A Pending CN113995202A (en) | 2021-11-19 | 2021-11-19 | Smart Orthopedic Insole System |
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| CN (1) | CN113995202A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103799618A (en) * | 2014-02-28 | 2014-05-21 | 骏雪科技(深圳)有限公司 | Intelligent insole and intelligent shoe |
| CN105748078A (en) * | 2016-02-16 | 2016-07-13 | 北京理工大学 | Sole pressure measuring device based on pressure sensing insole and system |
| CN106307803A (en) * | 2016-08-17 | 2017-01-11 | 上海交通大学 | Insole device for producing sole pressure sensing by utilizing electrical stimulation and application method |
| CN107157485A (en) * | 2017-06-13 | 2017-09-15 | 西安科技大学 | A kind of intellectual monitoring shoe-pad and its intelligent monitor system |
| CN107660135A (en) * | 2015-06-12 | 2018-02-02 | 索尼公司 | Information processor, information processing system and shoe-pad |
| KR20180013654A (en) * | 2016-07-28 | 2018-02-07 | 주식회사 오디아이컴퍼니 | A Smart Insole Device for Correcting Walking Posture |
| CN110353345A (en) * | 2013-03-15 | 2019-10-22 | 耐克创新有限合伙公司 | System and method for analyzing sports |
| CN209749941U (en) * | 2019-03-15 | 2019-12-10 | 中山优感科技有限公司 | Smart insole and smart shoes |
| CN210492877U (en) * | 2019-10-24 | 2020-05-12 | 瑞昌芯迈科技有限公司 | Shoe-pad with flexible pressure acquisition device |
| CN212729006U (en) * | 2020-07-08 | 2021-03-19 | 华瑞昇电子（深圳）有限公司 | Take bluetooth to pass through intelligent shoe-pad |
-
2021
- 2021-11-19 CN CN202111373810.8A patent/CN113995202A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110353345A (en) * | 2013-03-15 | 2019-10-22 | 耐克创新有限合伙公司 | System and method for analyzing sports |
| CN103799618A (en) * | 2014-02-28 | 2014-05-21 | 骏雪科技(深圳)有限公司 | Intelligent insole and intelligent shoe |
| CN107660135A (en) * | 2015-06-12 | 2018-02-02 | 索尼公司 | Information processor, information processing system and shoe-pad |
| CN105748078A (en) * | 2016-02-16 | 2016-07-13 | 北京理工大学 | Sole pressure measuring device based on pressure sensing insole and system |
| KR20180013654A (en) * | 2016-07-28 | 2018-02-07 | 주식회사 오디아이컴퍼니 | A Smart Insole Device for Correcting Walking Posture |
| CN106307803A (en) * | 2016-08-17 | 2017-01-11 | 上海交通大学 | Insole device for producing sole pressure sensing by utilizing electrical stimulation and application method |
| CN107157485A (en) * | 2017-06-13 | 2017-09-15 | 西安科技大学 | A kind of intellectual monitoring shoe-pad and its intelligent monitor system |
| CN209749941U (en) * | 2019-03-15 | 2019-12-10 | 中山优感科技有限公司 | Smart insole and smart shoes |
| CN210492877U (en) * | 2019-10-24 | 2020-05-12 | 瑞昌芯迈科技有限公司 | Shoe-pad with flexible pressure acquisition device |
| CN212729006U (en) * | 2020-07-08 | 2021-03-19 | 华瑞昇电子（深圳）有限公司 | Take bluetooth to pass through intelligent shoe-pad |
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Application publication date: 20220201 |
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