JP4833507B2 - Traction equipment - Google Patents

Description

  The present invention relates to a traction device mainly used for lumbar traction therapy, and provides a traction device that reduces physical burden on a patient, improves the complexity of treatment, and enables more effective treatment. For the purpose.

Traction therapy is used to treat various lumbar and cervical vertebral diseases by pulling the lumbar and cervical vertebrae, and is widely used in fields such as orthopedics and rehabilitation.
Although cervical traction treatment is possible with the device of the present invention, lumbar traction will be described below since it is mainly used for lumbar traction.
As shown in FIG. 8, the conventional traction device is composed of a tractor and a traction bed, and uses a side brace, a waist brace, and a leg stand as an aid for treatment.
As shown in FIG. 9, the bed usually has a mat divided into two, the side on which the upper body is placed is substantially fixed, and the lower limb side is movable.

Prior to treatment, place the side brace aside and fix its end to the bed frame, attach the waist brace to the waist, connect it to the traction device, and lay a footrest under the foot. When using a footrest, the lumbar can be curved forward (front bay). In traction treatment, it is important to perform treatment after correcting the front bay.
As shown in FIG. 7, the traction pattern includes intermittent traction that repeats traction-traction force persistence-relaxation-pause and continuous (continuous) traction that is pulled with a constant force during treatment. Usually, intermittent traction is often used, so here we will focus on intermittent traction.

Set traction conditions before treatment. The traction conditions include traction force, pause time, duration, treatment time, etc. The traction force is less than half of the body weight, the pause time and duration are several seconds, and the treatment time is about 10 to 20 minutes.
As shown in Fig. 8, with the braces on the side and waist, lying on the bed, using the pedestal, setting the treatment conditions, and starting the treatment, first the sleep mode was set and set When the suspension time is over, the traction mode is set, and the traction is performed.When the traction force reaches the set value, the traction mode is set.The traction force is maintained for the set time. The cycle of relaxing the traction force to reverse the traction force and entering the sleep mode when the traction force becomes zero or less than the set value is repeated in the treatment time, and when the treatment time ends, the traction force is set to zero and the treatment is terminated. Continuous (continuous) traction can be achieved by making the duration the same as the treatment time.

While traction therapy is effective, problems remain with the device.
Prior to treatment, the patient must be in bed, wear a brace, be in a supine position, put a footrest under the knee, and perform the reverse action after treatment, but for patients with lower back disorders such as back pain Performing these operations was physically painful.
In addition, it took time and effort to wear the brace, and it was troublesome not only for the patient but also for the caregiver. Furthermore, although it is usually pulled by the force of about half the weight, there is a problem that this force concentrates to the side and pain occurs, and if it is put up and treated with power, the therapeutic effect decreases. .
In order to solve these problems, there are those that improve armpit devices (for example, see Patent Document 1) and those that make it easy to get on and off the bed (for example, see Patent Documents 2 to 4).
On the other hand, various devices have been made to obtain higher therapeutic effects (see Patent Documents 5 and 6). Hereinafter, these conventional techniques will be described with reference to the drawings.
Japanese Patent No. 2528360 JP 2001-29373 A Shokai 60-13124 JP-A-6-233791 Japanese Examined Sho 51-30716 JP 2000-245760

FIG. 9 is FIG. 1C of Patent Document 1. A side arm is used instead of a side brace. The side arm can be freely rotated (rotated) within the mat surface, and can be freely rotated (bent) about the bed surface and a horizontal axis. To be able to. This made it very easy to install side braces.
FIG. 10 is FIG. 1 of Patent Document 2. A hand rub (posture change assisting means) 3 is provided so that a patient with a disability in the waist can easily get on and off and can easily change the posture while lying down.
FIG. 11 is FIG. 1 of Patent Document 3. In the present invention, the patient is placed in a chair shape so that the patient can easily get on and off the bed, and the bed is flattened when performing treatment. For this reason, getting on and off the bed has become easy, but it is necessary to use a footstool and no improvement of the brace.

FIG. 12 is FIG. 1 of Patent Document 4. In order to make it easy to get on and off the bed, the bed is made into a chair shape, and when treating, the bed is reclined. Since the thigh joint remains bent even in the reclining traction position, the front bay of the lumbar spine is corrected and there is no need to use a footrest. However, there is a problem that the traction force is inaccurate in terms of means for detecting the traction force, and there is room for improvement in the brace. For this reason, this apparatus has not been put into practical use.
FIG. 13 is FIG. 2 of Patent Document 5. In order to improve the therapeutic effect, the upper body is raised slightly and the knees are raised to correct the anterior lumbar bay, which is a major cause of low back pain. , To perform traction treatment. However, the problem of getting on and off the bed has not been solved, and the brace has not been improved.
FIG. 14 is a view of FIG. 6 of Patent Document 6 in which the knee and thigh joints are each 90 degrees, the hips are further lifted, the lumbar anterior bay is corrected, and the intervertebral disc behind the lumbar vertebra is expanded. It is called traction and is said to be effective especially for the treatment of back pain in the acute phase. This is an effective treatment posture, but there is no improvement in getting on and off the bed and on the brace.

As described above, with conventional traction devices, operations such as getting on and off the bed, waking up on the bed, attaching and detaching equipment on the bed, and attaching and detaching the footrest are painful for people with disabilities in the lower back. Met.
In addition, it was necessary to wear a brace on the waist and side, and this attachment / detachment was cumbersome and time-consuming, and the caregiver's hands were bothered.
Furthermore, in the treatment, the force is pulled by about half the weight of the body weight, but this force concentrates to the side, causing pain. It was. In addition, a force that spreads both sides acts when towing, and in order to prevent this, the treatment effect may be reduced.

In actual treatment, the cycle of pause-traction-continuation-relaxation is repeated, but when changing from each mode to the next mode, for example, from the pause mode to the traction mode, the traction force changes suddenly, causing a shock and uncomfortable. There was a feeling.
Moreover, when towing started, it was towing at a stretch until the set tractive force was reached. When there are obstacles, muscles and joints are often stiff, and in such a case, it is dangerous to apply force suddenly, and such a traction method has a problem.
In terms of effectiveness, the position during treatment is also important. It is also important to tow with the exact force as set. Furthermore, it is also important to provide a device with a reduced cost and a reduced cost by simplifying the configuration of the device.
The purpose of this application was to solve these problems.

In order to solve such a problem, the invention according to claim 1 is provided with a seat back and a backrest portion configured to be movable along the frame so as to be in contact with and away from the seat. A chair-shaped gantry placed,
Is provided between the base and lying table, a tilting mechanism unit causes tilting in until traction position that tilted supine board to chair-shaped seating position and predetermined angle back side,
A waist brace that is provided in the seating part and fixes the patient's waist;
A side brace that is provided with a backrest and supports the patient's side;
A seating portion and a backrest portion provided with a load detecting portion that is provided via a screwing mechanism portion connected between the frame and the backrest portion and detects a traction force that separates the backrest portion and the seating portion of the screwing mechanism portion. And the traction mechanism part,
When you start treatment in a state where the traction condition is input, by operating the tilting mechanism is tilted in the towing position a reclining table from the seating position, the current tractive force detected by the load detecting unit in accordance with the input traction conditions It is characterized by comprising a control unit that performs traction while managing, and when the treatment is completed, the tilting mechanism unit operates to return the table to the sitting position.

According to the second aspect of the present invention, a bar is provided on a pair of left and right shafts O, which are narrower than the sides of the person, on the upper side of the back of the backrest so as to be rotatable about the axis O. An orthogonal axis P is provided, and an arm is provided so as to be rotatable around the axis P. When pulling, the side arm is moved near the side to support the side with a side pad, and it does not get in the way when getting on and off the base. A side arm was made to move the side arm to the retracted position.

According to a third aspect of the present invention, a second moving base that can move substantially in the pulling direction along the backrest part is provided, a side equipment driving unit that moves the second moving base is provided, and a side equipment is provided on the second moving base. When towing is started, first, the armpit drive unit is actuated to move the second moving platform, the armpit is pulled by the armpit device, and when the force applied to the armpit reaches a predetermined value, the armpit device drive unit is moved to that position. Then, the backrest part was moved by the traction mechanism part to be towed.
In the invention described in claim 4, the drive unit for automatically moving the side brace between the side support position and the retreat position is provided, and when the traction device is not used, the side orthosis is set at the retreat position and the towing is started. Then, the armpit was automatically moved to the armpit support position to support the armpit, and when the treatment was completed, the armpit orthosis was automatically moved to the retracted position so that the armpit did not get in the way when the patient got on and off the traction device. .
According to a fifth aspect of the present invention, there is provided a second moving base that can move substantially in the pulling direction along the backrest, a side orthosis driving section that moves the second moving base along the backrest, and a second moving base. A side arm is provided, and a cam mechanism is configured by providing a frame and a cam on the backrest and the side arm. When the second moving base is moved, the cam mechanism is activated to rotate the side arm about the axis P. When the traction device is not used, the side arm is moved to the retracted position, and when the traction is started, the side orthosis drive unit operates to move the second moving table, and the cam mechanism unit Operate the side arm so that the arm is moved to the side to support the armpit, so that the armpit orthosis can be automatically attached. To move the second platform to operate the cam mechanism. Automatically release the side brace to move the arm to the retracted position, and so that does not interfere with the side brace to get on and off of the Wo table.

According to the first aspect of the present invention, even if there is a lower back disorder such as lower back pain, it is not necessary to easily get on and off the bed, and there is almost no movement or position change on the bed. Can be reduced. Furthermore, just by pressing the treatment start switch in the sitting position, the device automatically reclines to a treatment posture, performs the treatment by pulling the patient to the head side, and returns to the sitting position when the treatment time is over, Since everything can be done automatically, it is possible to further reduce the labor of a caregiver than before.

  In addition, a load detector that directly measures the force acting as the traction force is provided between the frame and the backrest, and the traction is performed while monitoring the current traction force, so the actual traction force is accurate, safe and effective. Treatment becomes possible.

According to the third aspect of the present invention, it is possible to easily support the armpit by simply sitting and moving the armpit pad 12 near the armpit. Also, since there is no need to wear a side brace on the bed, the posture change is less and pain is reduced. Furthermore, when pulling with this armpit orthosis, the distance between the two axes O is narrower than the distance between both sides, so when pulling, force acts to tighten the body from both sides with the side arm 13, so push the arm Because there is no spreading force to the side, there is no need to apply extra force, so you can relax and receive treatment. Also, less pain and discomfort than before.

According to the fourth aspect of the present invention, the second moving table provided with the side brace is fixed to the backrest part (8) in a state where the side force has reached a predetermined value. The force on the side is much smaller than before, so less pain and discomfort than before.

According to the fifth aspect of the present invention, the side brace can be automatically attached and detached regardless of the manual operation. Therefore, further labor saving can be achieved as compared with the traction device according to the third aspect .
The invention of claim 6, wherein, using a side arm as side brace, to which is provided a cam mechanism, at the beginning and at the end of the traction treatment, can automatically attach and detach the side arm. When the patient getting on or off the treatment instrument, aside arm is retracted to the unobtrusive position in getting on and off, starting a treatment, because supporting side side arm is moved automatically, without applying manual at all it is possible to automatically attach the side arm. For this reason, the labor of a patient and a caregiver can be made zero.

FIG. 1 shows an embodiment of the traction device of the present invention. In the figure, 1 is a base, 2 is a base, 3 is a tilting mechanism part , 4 is a frame of the base 2, 5 is a leg mounting part on which the lower leg is placed at the towing position, 6 is a seating part where the patient sits at the sitting position, 7 Is a seat back that supports the lower back of the seated patient, 8 is a backrest, 9 is a load detection unit that detects traction force, 10 is a traction mechanism unit that generates traction force by moving the backrest unit 8, and 13 is a side brace. It is.
Although not shown in the figure, the apparatus has a control unit for controlling the whole, and has a program for inputting and storing treatment conditions such as traction force, duration, resting time, and treatment time, and executing it.
In a conventional device, in preparation for treatment, the patient rests on a bed, wears a brace, is in a supine position, and places a footrest under the leg. After that, when treatment is started, the cycle of pause mode, traction mode, continuous mode, and relaxation mode is repeated during the treatment time.When the treatment time is over, the traction force is set to zero and the treatment is finished. I worked and finished the treatment.
On the other hand, in the first aspect of the present invention, it is only necessary to sit on the seat 6 of the chair-shaped gantry 2 to get on and off the bed. When pressed, the table 2 automatically tilts to the traction position, executes the traction program, returns the table 2 to the seating position when the treatment time is over, and stands up and descends from the device when taking the brace Can do. A series of these operations is automatically executed.
A linear actuator using an electric motor may be used for the tilting mechanism unit and the traction mechanism unit. According to the present invention, the labor of the patient and the caregiver before and after the treatment can be greatly reduced. Claim 1 is an embodiment in which the backrest 8 is moved to the head side and pulled.

A device similar to the present application is disclosed in Patent Document 4 (see FIG. 9). This is a combination of a screw rod and a female screw member, which is driven by a torque motor, and can be tilted and pulled as in the present application.
However, this prior patent does not mention any traction automation.
With such a configuration, the friction varies depending on the variation between the motor and the screwing mechanism, and the friction also varies depending on the load (patient weight), and these frictions vary with time. Since the torque motor is subjected to current control in such a configuration, the displayed traction force is inaccurate, and therefore the accurate traction force cannot be maintained.
Therefore, in the invention according to the present embodiment, as shown in FIG. 1, the load detection unit 9 that detects a load (traction force) generated when the traction mechanism unit 10 performs traction is provided between the traction mechanism unit 10 and the frame 4. Provided, while the traction force is directly monitored by the load detection unit 8, the traction force is pulled by a predetermined force. In this way, even if the friction of the motor and screwing mechanism varies, even if these change over time, and the patient's weight is different, the traction force can be measured accurately and accurate. It can be pulled by force. A pressure gauge or the like may be used for the load detection unit.

The embodiment of the invention of claim 2, wherein shown in Fig. In the figure, reference numeral 4 denotes a frame of the footrest, 5 denotes a lower leg mounting portion, 6 denotes a seating portion, 7 denotes a seating portion backrest, 8 denotes a backrest portion, and 18 denotes a waist belt (waist orthosis). A patient is seated on a chair-like table, and a waist belt 14 provided at a corner portion between the seating portion 6 and the seating portion backrest 7 is used to apply a force F1 in the seating portion 6 direction and a seating portion backrest 7 direction. The force F <b> 2 acts simultaneously to fix the waist to the seating portion 6 and the seating portion backrest 7.
For fixing the waist belt 14, anything such as a buckle or a surface adhesive type (such as Velcro (registered trademark)) may be used. If you sit on a chair-shaped table and pull the patient's armpits, if your hip brace is not fixed enough, your lower leg rests on the lower leg rest part 5 so that your body and knees are aligned. Floats. According to the invention described in the present claim, this can be effectively suppressed and the waist can be fixed to the seat.
In the figure, the waist belt 18 is attached to the frame 4 so that the angle formed by the seat portion 6 and the seat portion backrest 7 is substantially divided into two, but the attachment position and angle are also important. It is important that the force F1 in the direction of the seating portion 6 and the force F2 in the direction of the seating portion backrest 7 act. What is necessary is just to press a pelvis with a belt in the corner direction of the seating part 6 and the seating part backrest 7. The waist belt 18 itself has a simple structure and can be realized at low cost, but can effectively fix the patient to the seating portion.
In the invention described in this claim, only the force F1 in the direction of the seating portion 6 may be applied. This can be realized by providing a waist belt under the seating portion 6, but it is not suitable for towing a person who has a load on the hip joint and has a disorder in the hip joint.
If the waist belt is provided behind the seat back 7 so that only the force F2 in the direction of the seat back 7 is applied, the entire body is displaced in the direction of towing and the traction effect is reduced.

The embodiment of the invention of claim 3, wherein is shown in FIG. In the figure, reference numeral 8 denotes a backrest portion of the table, 11 is an arm, 12 is a side arm, 13 is a side arm as a side brace, 15 is a bar, and O and P are rotation axes of the bar 15 and the side arm 13. The side arm 13 is attached to the backrest 8 via the bar 15. The axis O is a rotation axis for rotating the bar 15 in the horizontal direction, and is provided on the backrest portion 8 to the left and right to be narrower than the distance between the sides of the person.
The side arm 13 is attached to the bar 15 so as to be rotatable about the rotation axis P (the long axis of the bar 21). Therefore, when the patient is seated, the arm for side can be rotated around the O and P axes so that the arm for the arm does not get in the way and can be retracted to a position where it does not get in the way. Since the side arm can freely rotate, the side abutment 16 can be placed in the vicinity of the side (side fixed position) after sitting down, and can be shifted to traction as it is.
According to the invention described in this claim, the armpit can be easily attached by simply sitting and moving the arm for arm, so that the labor saving of the patient and the assistant can be realized.
The side arm 13 can freely rotate around the axis O, and the axis O is narrower than the distance between the sides. Tightening force acts.
Conventionally, when the position of the armpit brace is shifted slightly outside the armpit, a force that spreads both arms works, and treatment may continue while desperately enduring this force. This has the inconvenience that force is applied to the body and effective lumbar traction cannot be performed. This problem can also be solved by the invention described in the claims.

The embodiment of the invention of claim 4, wherein shown in Fig.
A backrest 8 that can move in the pulling direction is provided on the frame 4 of the rack 2, and a pulling mechanism 10 that moves the backrest 8 is provided. Further, a second moving table 16 that can move in the pulling direction along the backrest portion 8 is provided, and a side equipment driving portion 17 that moves the second moving table 16 along the backrest portion 8 is provided. Is provided.
When the towing is started, first, the armpit drive unit 17 moves the second moving table 16 to pull the armpit 13 with the armpit device 13, and when the force applied to the armpit reaches a predetermined value, the armpit device drive unit 17 is moved to that position. Then, the backrest 8 is moved by the traction mechanism 10 to be towed. By doing this, there is a frictional force on the back, so that a weaker force than the traction force is applied to the side, and a weaker force than the conventional one is applied to the side, so there is no pain or discomfort on the side even when towing It is less likely to occur, and as a result, you can relax and give effective treatment. Although the side arm is shown as the side brace 13 in the figure, in the invention described in this claim, the rope-like side brace described in FIG. 8 and any other type of brace may be used.

The invention according to claim 5 automatically attaches and detaches the side brace. This specific embodiment is the invention described in claim 6 . This embodiment is shown in FIG. The axis O is a rotation axis for rotating the bar 15 in the horizontal direction, and is provided on the second moving table 16 to the left and right to be narrower than the distance between human sides. The side arm 13 is provided on the bar 15, and the side arm 13 is connected to the bar 15 so as to freely rotate about the rotation axis P. Further, the top 18 is fixed to the backrest 8 and the top 19 is fixed to a portion that rotates about the axis P of the side arm 13. The top 18 and 19 constitute a cam mechanism. When the second moving portion 16 moves so as to be stored in the backrest portion 8 at the end of towing, the tops 18 and 19 come into contact with each other, push the side arm 13, and the bar 15 hits the stopper 20. When the second moving portion 16 moves further, the top 19 slides into the top 18 and rotates the side arm 13 so that the side arm 13 is retracted to a position that does not interfere with getting on and off the base.
Conversely, at the start of towing, when the patient is seated and starts treatment, first, the armpit drive unit 17 is actuated, the second moving base is moved in the towing direction, the cam mechanism is actuated, and On the contrary, the contact between the tops 18 and 19 is reduced, the side arm 13 is rotated, and the side pad 12 of the side arm 13 comes close to the side of the patient, so that it can be automatically pulled.
In this way, the side arm can be automatically attached before the start of treatment, and the side arm 13 can be automatically retracted to a position that does not interfere with the end of treatment. In other words, the side braces can be automatically attached and detached.

In the invention of claim 7, an electric motor capable of speed control is used as a driving source of the traction mechanism unit, the rotational speed of the motor when towing at a predetermined traction speed is detected and converted into a pulse signal, This pulse signal is counted and the pulse number N0 is obtained and stored in advance, and at the time of actual traction, the rotational speed of the electric motor is similarly detected and converted into a pulse signal. The pulse signal is counted and the pulse number is counted. N is obtained, the measured pulse number N is compared with the stored pulse number N0, the motor power is controlled so that the difference between the pulse number N and N0 falls within a predetermined range, and at a predetermined traction speed. Towed.
That is, the relationship between the number of pulses corresponding to the rotational speed of the motor and the traction speed is obtained, and when traction is performed at a predetermined speed, the motor power supply is controlled so that the number of pulses corresponds to this speed.
The rotation speed of the motor can be pulsed using a tachometer, an optical sensor, a magnetic sensor or the like. Any sensor may be used in the present invention.
According to the present invention, the rotational speed of the motor, that is, the traction speed can be accurately set to a predetermined value.

The invention described in claim 8 realizes the invention described in claim 7 simply and inexpensively. According to the present invention, in order to measure and pulse the rotation speed of the motor, the motor power supply is monitored, the fluctuation of the power supply that occurs when the motor rotates is measured, and this is pulsed and counted. I made it. In order to obtain a relationship between the number of pulses and the traction speed and to obtain a predetermined traction force, the motor power supply may be controlled so that the predetermined number of pulses is obtained.
According to the invention described in the claims, a tachometer, an optical sensor, and the like are not required, and the price can be reduced. Further, since the configuration becomes simple, the manufacturing cost can be reduced and the failure is reduced.

In conventional traction, when the traction mode changes, for example, when shifting from traction to continuous mode, the motor speed changes from n to zero. At this time, a mechanical shock is generated, causing discomfort to the patient. This all happens when the mode changes, from persistence to relaxation, from relaxation to pause, from pause to traction. In addition, when the traction force is insufficient or becomes too strong for some reason at the time of sustaining, the traction is performed again or relaxed. This also occurs at this time.
In order to prevent this, the invention according to claim 9 applies the traction speed control of the invention according to claim 7 or 8, and between the traction speed V during traction and the traction speed 0 during non-traction, The motor power was controlled while monitoring the number of pulses N, so that the traction speed was changed almost continuously. For example, when shifting from traction to continuous mode, the traction force is monitored while monitoring the motor rotation speed with the number of pulses, and when the traction force approaches the set value, the motor power supply is controlled to keep the motor rotation speed continuous. The motor is gradually changed to stop the motor. FIG. 6A shows this example.
The same can be done in any case, from persistence to relaxation, from relaxation to suspension.
According to the ninth aspect of the invention, the speed of the motor can be accurately controlled. FIG. 6 shows a traction pattern in the case of traction while changing the speed in various ways. In conventional normal traction, as shown in FIG. 7, the traction force is constant velocity traction increasing linearly. In the figure, the horizontal axis represents time, and the vertical axis represents traction force. The slope of the graph corresponds to the traction speed. The same applies to FIG.
For example, as shown in FIG. 6C, when towing to the set tractive force while increasing or decreasing the tractive force, a pattern of the number of pulses corresponding to the tractive speed (inclination of the graph) is created, and the motor power supply is set to this pattern. By controlling, a desired traction pattern as shown in FIG. 6 can be obtained. That is, according to the invention of the present application, an arbitrary traction pattern can be generated.

Although it has been described in the first embodiment that a linear actuator can be used for the tilting mechanism unit , the traction mechanism unit, and the armpit device driving unit, the backrest may be moved with a wire. Moreover, you may make it drive with a motor combining a rod screw and a nut. Anything that can move the backrest may be used.

1 is a schematic view of an apparatus according to an embodiment of the present invention. It is an Example of the stand of the traction device of FIG. It is an Example of the side arm of the invention of Claim 2 . It is an internal view of the Example of invention of Claim 3 . An embodiment of the invention as set forth in claim 4 . A traction pattern according to claims 6 to 8 . It is a conventional traction pattern. A state of traction by a conventional traction device is shown. This is an example of Japanese Patent No. 2528360. This is an example of JP-A-2001-29373. This is an example of Japanese Utility Model Application Laid-Open No. 60-13124. This is an example of JP-A-6-233791. This is an example of Japanese Patent Publication No. 51-30716. This is an example of Japanese Patent Laid-Open No. 2000-245760.

1: base 2: saddle base 3: tilting mechanism unit 6: seating unit 8: backrest unit 9: load detecting unit 10: traction mechanism unit 13: side arm 14: waist belt 16: second moving unit 17 side brace drive Part 18: Top 19: Cam

Claims (5)

A chair-like bag provided with a backrest portion (8) configured to be movable toward and away from the seating portion along the seating portion (6) and the frame (4), and placed on the base (1) Stand (2),
Provided between the base (1) of Gadai (2), Wo stand tilting mechanism section causes tilts until traction position in which tilted to a chair-shaped seating position and predetermined angle rear side (2) (3) When,
A waist brace that is provided in the seat (6) and fixes the patient's waist;
A side brace that is provided on the backrest (8) and supports the patient's side;
Detecting traction force that is provided through a screwing mechanism connected between the frame (4) and the backrest (8) and separates the backrest (8) and the seat (6) of the screwing mechanism. A load detecting unit (9) that is configured to open a gap between the seating unit (6) and the backrest unit (8), and a traction mechanism unit (10),
When you start treatment in a state where the traction condition is input actuates the tilting mechanism unit (3) is tilted to the traction position reclining platform (2) from the seating position, the load detection unit in accordance with the input traction condition (9 The controller includes a control unit that performs traction while managing the current traction force detected in step), and when the treatment is completed, the tilting mechanism unit (3) operates to return the gantry (2) to the sitting position. Traction device. A bar (15) is provided on a pair of left and right shafts O, which are narrower than the sides of the person, on the upper side of the back of the backrest (8) so as to be rotatable around the axis O. A substantially orthogonal axis P is provided, an arm (11) is provided to be rotatable about the axis P, and the side arm (13) is moved close to the side when towing, and the side pad (12) supports the side. The traction device according to claim 1, wherein the side arm (13) is moved to a retracted position that does not get in the way when getting on and off the table (2). A side mover drive unit (17) for providing a second moving table (16) movable in the pulling direction along the backrest unit (8) and moving the second moving table (16) along the backrest unit (8). When the towing is started, the armpit drive unit (17) is actuated to move the second mover base (16), and the armpit is moved by the armpit. When the force applied to the side reaches the predetermined value, the armpit drive unit (17) is fixed to the position, and then the backrest unit (8) is moved by the traction mechanism unit (10). The traction device according to claim 1 or 2 . A drive unit that automatically moves the armpit between the armpit support position and the retracted position is provided. When the towing device is not used, the armpit is in the retracted position, and when the tow starts, the armpit is automatically moved aside. is moved to the support position aside and supported, treatment automatically aside appliance to the retracted position upon completion, was so out of the way aside brace when the patient getting on or off the traction device, according to claim 1 to claim 3 The traction device described in any of the above. A side mover drive unit (17) for providing a second moving table (16) movable in the pulling direction along the backrest unit (8) and moving the second moving table (16) along the backrest unit (8). A side arm (13) is provided on the second moving table (16),
The back mechanism (8) and the side arm (13) are provided with a frame (18) and a cam (19) to form a cam mechanism,
When the second moving table (16) is moved, the cam mechanism is operated to rotate the side arm (13) about the axis P.
When the traction device is not used, move the side arm (13) to the retracted position,
When towing is started, the armpit drive unit (17) is operated to move the second moving base (16), the cam mechanism unit is operated to move the arm arm (13) near the armpit ( In step 12), the armpit is automatically mounted so as to support the armpit, and when the treatment is completed, the armpit drive unit (17) is activated to move the second platform (16) in the direction opposite to the start of towing. It is moved, the cam mechanism is operated, the side arm (13) is moved to the retracted position, and the side brace is automatically released, so that the side brace does not get in the way when getting on and off the stand (2). The traction device according to any one of claims 1 to 4 .

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