KR102427545B1 - Knee rehabilitation exercise monitoring method and system - Google Patents

Abstract

The present invention relates to a knee rehabilitation exercise guide method and system that can increase the therapeutic effect by sharing accurate data with medical staff in real time during knee rehabilitation exercise and receiving an appropriate exercise prescription by the medical staff. To this end, the present invention in the knee rehabilitation monitoring method using a knee rehabilitation exercise device having a thigh support, a calf support, a driving unit, a motion control unit and a wireless communication module, the knee rehabilitation exercise device is the angle between the thigh support and the calf support Receiving the motion data including the angle data and the number of motions from the angle measuring unit by the motion information receiving unit provided with an angle measuring unit for measuring; storing the date and received data in a data storage unit; It provides a knee rehabilitation exercise guide method for performing the step of displaying the target angle and the number of times of exercise set by the exercise prescription setting unit by the display unit.
Therefore, according to the present invention, there is an advantage that the patient and the medical staff can share the rehabilitation exercise data in real time to help the medical staff make an accurate exercise prescription.

Description

Knee rehabilitation exercise monitoring method and system

The present invention relates to a knee rehabilitation exercise guide method and system, and specifically, a knee rehabilitation exercise guide method that can increase the therapeutic effect by sharing accurate data with medical staff in real time during knee rehabilitation and receiving an appropriate exercise prescription by the medical staff and systems.

As the population aging progresses, the number of patients undergoing total knee arthroplasty, which is performed because all the cartilage of the knee joint is worn out, is continuously increasing. Rehabilitation exercise after total knee arthroplasty is very important.

After surgery, the knee muscle strength is further weakened due to pain and swelling.

There is a CPM (Coninuous Passive Motion) as a device for such knee rehabilitation exercise. The CPM encourages the body's natural resilience through continuous passive exercise and provides training to restore joint function.

Referring to FIG. 1, which is a prior art registration patent No. 10-1793812 (rehabilitation exercise device for knee joint), the rehabilitation exercise device for knee joint consists of a body 10 and a support part 20, and the rotation angle of the body and the support part The angle measurement structure 30 that can measure the

The support portion is rotatably coupled to the end portion of the body and connected to the moving block 11 , and has a link structure so as to be rotatable according to the movement of the moving block 11 .

By this rehabilitation exercise device for the knee joint, the patient moves the knee joint to perform the rehabilitation exercise of the patient, and the rotation angle can be measured.

However, since the rehabilitation exercise equipment for the knee joint is performed by the patient alone, there is a problem in many cases that the patient does not systematically perform the rehabilitation exercise because he relies only on the patient's own will.

In addition, the medical staff must know the exact exercise process and data to make an appropriate exercise prescription.

The present invention is to solve the above problems, and specifically provides a knee rehabilitation exercise guide method that can help patients and medical staff to share data on rehabilitation exercise performance in real time so that the medical staff can make an appropriate exercise prescription it is to give

In addition, it is another object of the present invention to prove that the patient actually performed the rehabilitation exercise and to help the patient to systematically perform the rehabilitation exercise by giving the patient some degree of compulsion away from the method that depended only on the patient's own will.

In order to achieve the above object, the present invention is a knee rehabilitation monitoring method using a knee rehabilitation exercise device having a thigh support part, a calf support part, a driving part, a motion control part and a wireless communication module, the knee rehabilitation exercise device is the thigh support part and A method comprising: providing an angle measuring unit for measuring an angle between the calf supports, receiving motion data including angle data and a number of motions from the angle measuring unit by an exercise information receiving unit; storing the date and received data in a data storage unit; It provides a knee rehabilitation exercise guide method for performing a step in which the target angle and the number of times of exercise set by the exercise prescription setting unit are displayed by the display unit.

The information analysis unit may calculate the exercise progress rate by comparing the exercise prescription set in the exercise prescription setting unit and the exercise data received by the exercise information receiver.

It is preferable that the exercise prescription setting unit sets the next target angle based on the angle measured by the information analysis unit and the number of exercise and displays it on the display unit.

When the set angle is received, the motion control unit may set a preparation angle obtained by subtracting a predetermined angle from the set angle, and may differently control the driving speed before and after the preparation angle.

The information analysis unit generates supplementary items and exercise progress rate based on the received exercise data, and the exercise prescription setting unit automatically sets a new next target angle based on the supplementary items or exercise progress rate in the exercise prescription setting unit. It is preferable to further perform

The knee rehabilitation exercise device is provided with a temperature sensor, and the information analysis unit preferably determines whether the temperature data by the temperature sensor is within a certain range to set the next target angle.

According to the present invention, in addition, the thigh support, the calf support, the driving unit, the motion control unit, the wireless communication module and the knee rehabilitation apparatus having an angle measuring unit for measuring the angle between the thigh support and the calf support receiving data from the knee rehabilitation In the knee rehabilitation exercise guide system to guide the movement,

The knee rehabilitation exercise guide system, the exercise information receiving unit for receiving the exercise data including the angle data and the number of movements from the angle measurement unit; a data storage unit for storing date and received data; It provides a knee rehabilitation exercise guide system configured including an exercise prescription setting unit in which the set target angle and the number of exercises are set.

According to the present invention, there is an advantage that the patient and the medical staff can share the rehabilitation exercise data in real time to help the medical staff make an accurate exercise prescription.

In addition, there is an advantage in that it can help the patient to continue rehabilitation exercise while communicating in real time with the medical staff without relying only on the patient's own will.

1 is a perspective view showing a knee joint rehabilitation exercise device according to the prior art;
Figure 2 is a configuration diagram of the knee rehabilitation exercise guide system according to the present invention;
Figure 3 is a configuration diagram showing the configuration of the central server in Figure 2;
4 is an exemplary diagram illustrating data stored in a data storage unit;

The configuration and operation of specific embodiments according to the present invention will be described in detail with reference to the drawings.

2, the knee rehabilitation guide system according to the present invention includes a knee rehabilitation exercise device 100, a user terminal 200, a central server 300, a medical terminal 400, a guardian terminal 500. is composed

The knee rehabilitation apparatus 100 includes a thigh support unit 120, a calf support unit 110, an angle measurement unit 130, a load cell 140, a temperature sensor 150, a driving unit, an exercise control unit, and a wireless communication module. is composed

The thigh support part 120 and the calf support part 110 may be connected in a link form, and may be moved according to the driving of the driving part.

The angle measuring unit 130 serves to measure the angle between the femoral support and the calf support, and may be configured as a mechanical sensor, but is preferably provided as a digital sensor to facilitate data transmission to the outside. .

The load cell 140 is provided in the thigh support part or the calf support part or between them to measure the load. can detect the state of use.

The temperature sensor 150 is provided in the thigh support portion or the calf support portion to detect the user's use state by sensing the body temperature when the user puts the leg in order to use the knee rehabilitation apparatus.

The driving unit may be made of a motor or a gear, etc., and allows the femoral support part and the calf support part to move at a desired speed and angle.

The motion control unit serves to control the driving unit, and receives various data through a wireless communication module to control the driving unit at an appropriate speed and angle.

The wireless communication module serves to transmit and receive data to and from the outside using wireless communication such as WIFI, LTE, 5G, and BLUETOOTH.

Data and control signals generated or used in the knee rehabilitation apparatus may be transmitted or received to the central server 300 through a wireless communication module. At this time, in order to save space or unit cost, the knee rehabilitation exercise device is provided with only a short-distance communication module such as Bluetooth, and all data is preferably made of a structure that communicates with the central server 300 through the user terminal 200.

Referring to FIG. 3 , the central server 300 includes an exercise information receiving unit 310 , a biometric information receiving unit 320 , an information analyzing unit 330 , a data storage unit 340 , and an exercise prescription setting unit 350 . is composed by

The exercise information receiving unit 310 detects the movement by the driving unit of the knee rehabilitation exercise device by various sensors and receives related exercise data. Such movement data may include movement speed, knee angle, number of movements, and the like.

Specifically, the driving unit moves the thigh support part or the calf support part at a set speed, and this speed may be calculated based on the control speed of the motor. The calculated movement speed may be transmitted to a user terminal or a central server in real time through a wireless communication module.

In addition, the maximum bending angle between the femoral support and the calf support is measured by the angle measuring unit attached to the knee rehabilitation apparatus, and the exercise control unit calculates the number of exercises by measuring the number of repetitions while repeating these movements.

The biometric information receiving unit 320 receives biometric data that is data about the user's body.

The user is equipped with medical devices such as wearable electrocardiogram devices and blood pressure monitors, or biometric data is generated through sensors such as temperature sensors and load cells attached to the knee rehabilitation device and transmitted to the biometric information receiver of the central server through the wireless communication module. have. In addition, such biometric data may be transmitted to the central server through the user terminal 200 .

The data storage unit 340 stores various types of received data and date information, and the date information may include year, day, month, hour, minute, second, etc. according to a predetermined format.

The information analysis unit 330 synthesizes the exercise data and bio data transmitted from the knee rehabilitation exercise device to analyze whether the rehabilitation exercise has been properly performed, to what extent the rehabilitation exercise process has progressed, etc. to the user terminal, the medical terminal 400 , and transmits it to the guardian terminal 500 .

Specifically, the data storage unit 340 stores the exercise prescription and progress data prescribed by the medical staff for each user, and the exercise prescription may be changed by the exercise prescription setting unit 350 . In addition, the exercise prescription setting unit may provide an exercise prescription program in response to a change in the target angle.

Referring to FIG. 4 , a user name, exercise prescription, progress status, supplementary items, exercise progress rate, target angle, and the like may be stored in the data storage unit. For example, the exercise prescription may be stored 10 times a day for bending the knee 30° for 5 days, and the exercise data transmitted from the knee rehabilitation apparatus is stored with the date in the progress status.

The information analysis unit generates a supplement by comparing the exercise prescription and exercise data. For example, if the exercise prescription is knee 30° bend 10 times a day, but the exercise data transmitted from the knee rehabilitation device is knee 30° bend 6 times a day, the information analysis unit determines the difference between the number of exercises in the exercise prescription and the number of exercises in the exercise data. Calculate and save the knee 30° bend 4 times a day as a supplement.

In addition, the information analysis unit 330 calculates the exercise progress rate based on the exercise prescription, progress, and supplements. In the above example, the exercise progress rate can be calculated as 1/5×100×6/10 = 12%, and the exercise progress rate in the second row in FIG. 4 is 1/5×100×6/10×8/10 = 19.2% can be calculated as

The exercise prescription setting unit 350 may set an exercise prescription for each individual, and the setting of the exercise prescription may be manually set by a medical staff or automatically set according to the progress of the exercise.

That is, the information analysis unit generates supplementary items and exercise progress rate based on the exercise data transmitted from the knee rehabilitation exercise device, and the exercise prescription setting unit automatically sets a new next target angle based on the supplementary items or exercise progress rate. have.

For example, in the exercise prescription setting unit, if the exercise prescription is 'bend the knee 30° 10 times a day for 5 days' and the exercise progress rate is 90% or more, the next target angle can be automatically set to 45°. In addition, a new exercise prescription may be updated according to the next target angle.

It is preferable that the data stored in the data storage unit 340 be displayed on the display unit of the user terminal 200 so that the user can know the current progress.

The knee rehabilitation apparatus receives a set angle to be driven by the actual driving unit, and the set angle may be input using a button provided in the knee rehabilitation apparatus, and the set angle set by the central server or user terminal is wirelessly communicated It can also be received and inputted by the module.

When the motion control unit receives a set angle, it sets a preparation angle obtained by subtracting a predetermined angle from the set angle. For example, the predetermined angle may be set to 20% of the set angle, and if the set angle is 45˚, the preparation angle is set to 36˚, which is 20% subtracted from the set angle.

When the movement starts, the driving unit drives the thigh support part and the calf support part at a relatively high speed up to the preparation angle, and when the bending angle by the angle measurement part is greater than the preparation angle, the motion control part slows the speed of the driving part and drives it at a slow speed make it

By this driving method, unnecessary time can be saved, and an environment in which the patient (user) can exercise by focusing on the target angle can be created.

The knee rehabilitation apparatus is provided with a temperature sensor, and when the user places the leg in the knee rehabilitation apparatus, the temperature sensor detects the user's leg temperature, and in the exercise control unit, whether the temperature data by the temperature sensor is within a certain range It determines whether or not to drive and controls whether or not to drive. That is, the predetermined range can be set to 30 ℃ ~ 42 ℃ including the body temperature range of the person, and when the temperature data falls within the range, the motion control unit normally drives the driving unit, and the temperature data does not fall within the range. In this case, an alarm can be sounded or the drive can be stopped, and an abnormal drive signal can be transmitted to the central server.

The information analysis unit of the central server may not proceed with updating the exercise progress rate and setting the next target angle when an abnormal driving signal is received.

On the other hand, the load cell 140 may be provided in a support part on which the user's leg is placed, and senses the load on the leg like the temperature sensor. The motion control unit may determine whether the load data by the load cell is within a predetermined range to control whether to drive the motion control unit. In addition, when the load data does not fall within the above range, an alarm may be sounded or the driving may be stopped, and an abnormal driving signal may be transmitted to the central server.

In addition, the information analysis unit of the central server may measure the muscle strength of the leg muscles using the load data. That is, by using the load data when the user raises the leg, it can be determined that the user's leg muscle strength is improved as the load data is smaller.

The knee rehabilitation apparatus may be configured with CPM (Continuous Passive Motion), and the central server 300 receives exercise data from the knee rehabilitation apparatus or a user terminal and transmits it to a medical terminal or a guardian terminal in real time.

The medical staff can check the terminal and input necessary comments, and the user can communicate with the medical staff even during the rehabilitation exercise, so that the effect of the rehabilitation exercise can be maximized, and it can motivate the patient to continue the rehabilitation exercise.

Although the above has been described with reference to the embodiments of the present invention, those of ordinary skill in the art can variously modify and modify the present invention within the scope without departing from the spirit and scope of the present invention described in the claims below. You will understand that it can be changed.

100: knee rehabilitation exercise device 110: calf support
120: thigh support 130: angle measurement unit
140: load cell 150: temperature sensor
200: user terminal 300: central server
400: medical terminal 500: guardian terminal

Claims (7)

In the knee rehabilitation monitoring method using a knee rehabilitation exercise device having a thigh support part, a calf support part, a driving part, a motion control part and a wireless communication module,
The knee rehabilitation apparatus is provided with an angle measuring unit for measuring the angle between the femoral support and the calf support, the femoral support and the calf support or between the load cell for measuring the load of the user's leg and an exercise control unit for controlling the driving unit do,
Receiving the motion data including the angle data and the number of motions from the angle measuring unit by the motion information receiving unit;
storing the date and received data in a data storage unit;
performing the step of displaying the target angle and the number of times of exercise set by the exercise prescription setting unit by the display unit,
In the motion control unit, it is determined whether the load data by the load cell is within a certain range, and if it does not fall within the range, an alarm is sounded or the drive is stopped and an abnormal drive signal is transmitted to the central server,
Knee rehabilitation exercise guide method for measuring the muscle strength of the leg muscles using the load data in the information analysis unit of the central server.
The method of claim 1,
Knee rehabilitation exercise guide method, characterized in that the information analysis unit calculates the exercise progress rate by comparing the exercise data received by the exercise prescription and the exercise information receiver set in the exercise prescription setting unit.
The method of claim 1,
The exercise prescription setting unit, based on the angle and the number of exercises measured by the information analysis unit, the next target angle is set and displayed on the display unit knee rehabilitation exercise guide method.
4. The method of claim 3,
When the motion control unit receives a set angle, the knee rehabilitation exercise guide method, characterized in that by setting a preparation angle subtracted from the set angle by a certain angle, and differently controlling the driving speed before and after the preparation angle.
The method of claim 1,
The information analysis unit generates supplementary items and exercise progress rate based on the received exercise data, and the exercise prescription setting unit further performs the step of automatically setting a new next target angle based on the supplementary items or exercise progress rate. Knee rehabilitation exercise guide method characterized by.
6. The method of claim 5,
The knee rehabilitation exercise device is provided with a temperature sensor, and the information analysis unit determines whether the temperature data by the temperature sensor is within a certain range and sets the next target angle.
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