KR101374600B1 - orthopaedic exerciser for sitting position - Google Patents

Abstract

Orthopedic device for sitting posture training according to the present invention, the component body is mounted; A seating part including a bottom plate disposed on the upper part of the body to be spaced apart at a predetermined height; Footrest for fixing the user's lower limb for the training effect using the trunk muscle of the user; A driving unit configured of a plurality of motors to implement an operation of the seating unit; A sensor unit which detects an operation of the seating unit to grasp a user's exercise status; And a control unit for generating a control signal based on the data measured by the sensor unit. The control unit may include a fun element in a repetitive trunk training and a safe training.

Description

Orthopedic exerciser for sitting position

The present invention relates to an orthopedic device for sitting posture training, and more particularly, the patient is sitting posture training capable of improving balance ability by performing strength strengthening training using only muscles of the trunk with minimal intervention of a caregiver or therapist. It relates to an orthopedic device for.

People with disabilities, such as cerebral palsy, stroke, and spinal cord injury, have less control over their body than healthy people, resulting in poor balance control and stability in the trunk due to spinal deformity or changes in trunk muscles. Decreased balance in sitting posture indicates that the movement between the spine and the body cannot be precisely controlled. The greater the decrease in balance, the greater the need for external help and atrophy in daily life. In addition, as the balance control ability becomes unstable and the posture shift is difficult, the prevalence of cerebral palsy, such as scoliosis, is reported to be as high as 76%, which requires continuous rehabilitation treatment.

However, the existing rehabilitation treatments have been carried out by repetitive training by the guardian or therapist, and there is almost no treatment program that can replace simple repetition, and the quality of treatment provided to the patients was low.

Research for rehabilitation of these patients was carried out and related technologies were developed, but they were insignificant in terms of technical and effective aspects and there was much to be improved. As an example, the dynamic balance test and exercise device (Jeong Ho-Hoon, etc.) is a device for equilibrium test and exercise in a standing state, and has problems in applying to patients who cannot stand, such as cerebral palsy, and riding equipment (Hongjin Reports). Rehabilitation equipment such as this is mainly because of the constant movement regardless of the user's intention, most of the passive exercise equipment is difficult to achieve feedback, there was a problem of low effectiveness of the rehabilitation exercise equipment.

Republic of Korea Patent Publication 10-2007-0054595

The present invention was created to solve the above-mentioned problems, minimizing the intervention of therapist or guardian to strengthen the body of the patient, such as cerebral palsy, stroke, spinal cord injury can improve the balance ability, orthodontic training for sitting posture The purpose is to provide a device.

Orthopedic device for sitting posture training according to the present invention for achieving the above object, the body portion 110; Seating unit 120 including a bottom plate disposed so as to sit at a predetermined height spaced above the body portion; Footrest 130 is fixed to the user's lower extremity for the training effect using the trunk muscle of the user; A driving unit (140) configured with a plurality of motors to implement an operation of the seating unit (120); A sensor unit 150 for detecting an operation of the seating unit 120 to determine a user's exercise status; And a controller 160 generating a control signal based on the data measured by the sensor unit 150.

In addition, according to the user's body length, in order to adjust the center of gravity and the center of rotation axis, the bottom plate of the seating portion 120 is moved forward and backward, it is preferable to further include a weight core adjustment unit 121 having a fixing means. Do

In addition, it is preferable that the user further includes a lift unit 200 for adjusting the height of the seating unit 120 for ease of boarding and maintaining the correct posture during exercise.

In addition, the seating unit 120 may further include a cushion 122 having a predetermined inclined surface for maintaining the trunk of the patient.

In addition, a barrier for preventing slipping of a patient may be formed at one side of the cushion 122.

In addition, the seating unit 120 preferably further includes a cuff capable of fixing a part of the user's lower extremity, a first handle part 250 and a backrest 255 for detachable safety.

In addition, the driving unit 140 may further include an X-axis motor 141 and a Y-axis motor 142 interlocked according to the direction of the center of gravity of the user.

In addition, a controller (not shown) for adjusting the driving speed, resistance, and impedance of each of the X-axis motor 141 and the Y-axis motor 142, and a switch for recovering to an emergency stop and a neutral position in an emergency (not shown). H) may be further included.

 In addition, the sensor unit 150 may include a first encoder 151 and a second encoder 152 that measure a rotation angle of the seating unit 120, and a load cell that detects a center of gravity of the user. ), And it is possible to include any one or more of the tilt sensor.

In addition, the footrest 130 preferably further includes a height adjustment unit for varying the height of the footrest 130 according to the length of the lower limb of the user.

In addition, one side of the body portion 110 may further include a wheel portion 253 for movement and a second handle portion 251 for movement.

In addition, the seating unit 120 inclined according to the force applied by the user serves as a controller of an external device, or externally outputs data values according to the rotation angle, the center of gravity, and the tilt detected from the sensor unit 150. It can be used as data value of input device.

In addition, the seating unit, the orthopedic device for sitting posture training in which the inclination is adjusted to a position corresponding to the coordinate value input by the user to the touch input controllable external input device.

In addition, the display unit 210 may further include a display unit 210 that visualizes a training program or a game controlled in accordance with a user's exercise state and a signal of the external input device in real time through data detected by the sensor unit 150. .

According to the orthopedic device for sitting posture training according to the present invention, to help the rehabilitation of patients requiring trunk rehabilitation training, such as cerebral palsy, stroke, spinal cord injury patients, it can contribute to the improvement of quality of life, simply repeated many times By adding fun and interesting elements to posture training that requires movement, you can solve the boring problems of the training process. Therapists can also focus on more specialized treatment activities as it becomes possible to minimize the rate of interventions in repetitive training.

1 is a block diagram of an orthopedic device for sitting posture training according to an embodiment of the present invention,
2 is an operational conceptual diagram according to an embodiment of the present invention;
3 is a perspective view of the present invention excluding the outer cover of the body portion,
4 is a position adjustment principle diagram of the seating portion;
5 is a partial perspective view of a driving unit;
6 is a principle diagram of the pitch direction (Y axis) rotation;
7 is a principle of rotation in the roll direction (X axis),
8 is an application example of an external input device using a touch method;
9 shows a configuration of the first handle portion, the second handle portion, and the backrest.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.

The present invention is to strengthen or train the trunk muscles in a sitting position, or to improve the balance control ability of the posture, is an exercise device for the elderly and people with a weak balance control ability or weak body trunk strength.

Referring to the drawings in detail, Figure 1 is a block diagram of an orthopedic device for sitting posture training according to an embodiment of the present invention, the present invention body portion 110, seating portion 120, the footrest ( 130, the driving unit 140, the sensor unit 150, and the control unit 160. The orthopedic device for sitting posture training consisting of the above elements is basically a component for physical exercise of the trunk. Here, the display unit 210 for displaying the element of fun and the specific exercise state in the rehabilitation exercise process may be configured.

The display unit 210 is configured to operate in connection with a console containing a program or software of the orthopedic device for the present inventors sitting posture training. In addition, as the rehabilitation training is repeatedly performed, the effect is increased, so it is preferable to configure the imaging apparatus including the 3D function so that it can be applied to a game or virtual reality, which is a means of inducing interest.

In addition, the illustrated PC is an example of a console that can be commonly encountered in daily life, and easy to update and manage later, it is configured as an embodiment, but is not limited thereto.

Components other than the display unit 210 will be described in detail together with the drawings to be described later.

Figure 2 is a conceptual view of the operation according to an embodiment of the present invention, Figure 3 is a perspective view of an orthopedic device for sitting posture training except the outer cover of the body portion in the present invention. 3 is a state in which the outer cover surrounding the body portion 110 is removed to help understand the configuration.

1 and 2, it can be seen that patients such as cerebral palsy, stroke, and spinal cord injury undergo rehabilitation for improving balance posture and maintaining ability using only muscles of the trunk in a sedentary state. The data sensed by the sensor unit 150 according to the movement between the bodies is transmitted to the PC by wire or wirelessly and is processed and displayed on the display unit 210 after being processed.

In detail, each configuration of the present invention, when the seating portion 120 and the footrest 130 is configured, the footrest to prevent the patient to adjust the trunk using the lower body muscles The 130 is spaced apart from the ground, it is configured to be integrated by coupling to a portion of the seating portion. It is preferable to configure the lower body fixing means such as cuffs, bands or velcro to act as a safety device in case of emergency that may occur in patients with poor physical control.

In addition, the seating unit 120 is preferably configured to the lift unit 200 to adjust the height of the seating unit 120 according to the ease of boarding, and the height of each patient. Even in the case of a disabled person or a child, the height should be adjusted to a low position so that the boarding can be easily carried out.

At this time, it is accurate to lift together the driving unit 140 configured at the bottom of the seating unit 120 and the first encoder 151 and the second encoder 152 respectively configured at one side of the driving unit for the rotation angle and the tilt measurement. It is advantageous for detecting the operating state and effective for the stability of the device.

The lift unit 200 may be configured as an electric hydraulic jockey to enable the patient to operate by themselves, and a power supply device for supplying operating power to the lift unit 200 and the driving unit 140 (not shown). ).

During operation of the present invention, the bottom plate of the seating unit 120 is to be a predetermined distance from the top surface of the body portion 110 so as to be inclined to the front, rear, left, right, the seating unit 120 It is possible to additionally configure the safety first handle portion 250, the backrest 255 and the cushion 122 that can be attached to).

Unlike the use of comfort, the cushion 122 is generally difficult to maintain the trunk in a flat surface, unlike a child, by attaching a cushion 122 having a tilt of about 15 degrees, the correct posture between the trunk Can help maintain In addition, in case of difficult posture change, such as spinal cord injury patients, it is possible to configure a cushion with a pressure sore prevention function.

In addition, the cushion 122 may form a barrier between portions of both legs of the cushion 122 to prevent the patient from sliding forward by the formed inclined surface.

The load cell 153 may be configured on the bottom surface of the body 110 of the present invention, which is a sensor for measuring a change in the center of gravity according to the movement of the user's body and a rotational torque applied to the rotating shaft. The load cell 153 may be configured in plural to increase a sensing effect. In the embodiment of the present invention, but four configurations along the bottom edge according to the shape of the body portion 110 can be changed.

4 is a principle diagram of position adjustment of the seating part. It has been shown that the height can be adjusted through the lift unit 200 described above, and here, the weight core adjustment unit 121 will be described. The weight core adjusting unit 121 is configured to be in contact with the bottom surface of the seating unit 120 and the driving unit 140, the position of the seating unit 120 according to the physical condition of the patient before and after Allow it to move. The weight core adjustment unit 121 is configured in the form of a rail to facilitate position adjustment, but is not limited thereto. However, after adjusting the position of the seating unit 120, it should be provided with means for fixing it, when the seating unit 120 is tilted, the drive unit 140 and the sensor unit 150 is Of course, it shouldn't interfere with it.

Fig. 5 is a partial perspective view of the driving unit, Fig. 6 shows the Pitch direction (Y axis) rotation principle, and Fig. 7 shows the Roll direction (X axis) rotation principle. As shown in the figure, the seating unit 120 is configured to include an X-axis motor 141 for controlling the rotation in the Roll direction, and a Y-axis motor 142 for controlling the rotation in the Pitch direction. The X-axis motor and the Y-axis motor in the initial state, respectively, the maximum rotation value is set to change the inclination of the seating unit 120 as it rotates in the positive direction and negative direction.

At this time, the resistance applied to the motor according to the control signal from the controller 160 in order to adjust the difficulty according to the user's trunk adjustment ability to be adjusted. Patients can gain strength strengthening effects by overcoming the left and right movements, overcoming the resistance to the motor. When the user's trunk adjusting ability is relatively high, the motor's resistance is increased. On the contrary, when the trunk's adjusting ability is significantly low, the user's trunk adjusting ability is rotated in the same direction as the user's tilting, so that the user can smoothly tilt.

Using the relationship between the change in the center of gravity measured from the load cell 153 and the force of the rotation torque, the relationship parameter between the motor torque and the angle according to the body movement can be obtained, and the training device can be operated through the motor control. have. The relational parameter f (x) may be adjusted to a weight value A by T (torque) = A · f (x) to adjust the resistance of the motor and to adjust the trunk training intensity.

In addition, the orthopedic device for sitting posture training according to an embodiment of the present invention can adjust the inclination of the seat using the touch type external input device 256. Specifically, referring to the contents shown in FIG. 8, a patient may execute an application installed on an external input device (smartphone, smart pad, game machine, etc.) operable by a touch method or an application software for rehabilitation purpose, and the patient may receive a reference point (sitting). An input value is transmitted to a PC or the control unit 160 to be used as a control signal of the driving unit motors 141 and 142 so as to have an inclination corresponding to the coordinate value of the position input by the touch method from the initial state without negative inclination). It is possible to adjust the tilt of the seating unit 120 according to the control signal. At this time, it is preferable to control the driving speed, the resistance, the impedance and the operation setting of the external input device 256 through the option of the external input device 256.

In addition, Bluetooth may be used as a method of transmitting coordinate values of the external input device 256. Most of the devices mentioned as embodiments of the external input device have a Bluetooth function. In addition, the wireless communication method is configured as an embodiment in that it does not act as an obstacle to the user's movement, but is not necessarily limited to Bluetooth.

In the present invention, a separate controller that can control the driving speed, resistance degree and impedance degree of each of the X-axis motor 141 and the Y-axis motor 142 and emergency stop, emergency stop or the X-axis motor 141 and the Y-axis motor 142 to a neutral value by configuring a switch (not shown) to return the position of the seating unit 120 to the initial neutral position to ensure the user's safety means .

The sensor unit 150 may include a first encoder 151 and a second encoder 152 that measure a rotation angle of the seating unit 120, a load cell 153 that detects a user's center of gravity, and the first, One or more inclination sensors that can complement the second encoder and the load cell 153 may be installed. According to the user's movement to convert the data value corresponding to the rotation angle and the center of gravity detected by the sensor unit 150 to be used as an input value. This is because the present invention serves as a kind of control controller, so that it can be linked with the rehabilitation program associated with the game to induce interest to increase the rehabilitation effect. In recent years, when smartphones, smart pads, or game devices are widely used, many devices have a built-in gravity sensor. By using the gravity sensor, applications or games using tilt can be easily encountered. It is also possible to install the external unit, such as the smart phone, smart pad, and interlock with one side of the seating unit 120.

 The lower end of the X-axis motor 141 is preferably configured to further include a motor contact preventing hole 145 to prevent damage to the X-axis motor 141 when the seat 120 is inclined backward. .

In addition, a first encoder and a second encoder are respectively configured on the rotation shafts of the X-axis motor 141 and the Y-axis motor 142 to detect the rotation angle of the seating unit 120 and displayed on the display unit 210. To make balance training possible.

9 shows a configuration of the first handle portion, the second handle portion, and the backrest 255.

The first handle part 250 is configured to be detachable in consideration of a user's boarding, and designed to include a second handle part 251 and a wheel part 253 for convenience of movement. .

In addition, the height height adjustment unit was configured to adjust the height of the footrest 130 according to the length of the user's lower extremity, and was connected to the seating unit 120 to configure the backrest 255 that can support the trunk of the patient. . The backrest 255 is particularly intended for a user who cannot fully maintain a sitting posture and is preferably manufactured to be detachable.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood that various modifications and changes may be made without departing from the scope of the appended claims.

100: orthopedic device for sitting posture training 110: body portion
120: seating unit 121: weight core adjustment unit
122: cushion 130: footrest
140: drive unit 141: X-axis motor
142: Y-axis motor 145: motor contact prevention hole
150: sensor unit 151: first encoder
152: second encoder 153: load cell
160: control unit 200: lift unit
210: display portion 250: first handle portion
251: second handle portion 253: wheel portion
255: backrest 256: external input device

Claims (14)

Body portion to which the component is mounted;
A seating part including a bottom plate disposed on the upper part of the body to be spaced apart at a predetermined height;
Footrest for fixing the user's lower limb for the training effect using the trunk muscle of the user;
A driving unit configured of a plurality of motors to implement an operation of the seating unit;
A sensor unit which detects an operation of the seating unit to grasp a user's exercise status; And
And a controller configured to generate a control signal based on the data measured by the sensor unit.
The footrest part orthopedic device for sitting posture training further comprising a height adjustment unit for varying the height of the footrest according to the length of the lower limb of the user.
The method of claim 1,
According to the length of the user's body, the bottom plate of the seating portion to slide the front and rear in order to adjust the center of gravity and the rotation axis, the orthopedic device for sitting posture training further comprising a weight core adjustment unit having a fixing means.
The method of claim 1,
Orthopedic device for sitting posture training further comprising a lift for adjusting the height of the seating portion for the user to easily ride and maintain the correct posture during exercise.
The method of claim 1,
The seating unit orthopedic device for sitting posture training further comprises a cushion formed with a predetermined inclined surface for maintaining the trunk of the patient.
5. The method of claim 4,
Orthopedic device for sitting posture training in which the patient's anti-slip barrier is formed at one side of the cushion
The method of claim 1,
The seating unit is a cuff for fixing a part of the lower limb of the user, the orthopedic device for sitting posture training further comprising a removable first handle portion and the backrest.
The method of claim 1,
The drive unit orthopedic device for sitting posture training further comprises an X-axis motor and a Y-axis motor interlocked according to the direction of the center of gravity of the user.
The method of claim 7, wherein
Orthopedic for sitting posture training further comprising a controller for controlling any one or more of the driving speed, resistance degree and impedance degree of each of the X-axis motor and the Y-axis motor, and a switch for returning to an emergency stop and a neutral position in case of emergency device.
The method of claim 1,
The sensor unit orthopedic device for sitting posture training comprising at least one of a first encoder and a second encoder for measuring the rotation angle of the seating portion, a load cell for detecting the center of gravity of the user, and a tilt sensor .
delete The method of claim 1,
Orthopedic device for sitting posture training further comprising a wheel portion for moving to one side of the body portion, a second handle portion for movement.
The method of claim 9,
According to the force applied by the user performs the role of the controller of the external device to the degree of inclination of the seating portion,
Or, the orthopedic device for sitting posture training using any one or more of the data value according to the rotation angle, the center of gravity and the slope detected from the sensor unit as the data value of the external input device.
13. The method of claim 12,
And a display unit configured to visualize a training program or a game controlled in accordance with a user's exercise state and a signal of the external input device in real time through data detected from the sensor unit.
The method of claim 1,
The seating unit, the orthopedic device for sitting posture training in which the inclination is adjusted to a position corresponding to the coordinate value input by the user to the touch controllable external input device.

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