JP2000262571A - Lower limb rehabilitation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operatability of a teaching switch, and also, prevent sprints from slipping by constituting this rehabilitation device of the sprints for femur and crus, and providing a function corresponding with a bending angle of ankle on the sprint for crus, and providing the teaching switch and a brake releasing switch for a lower limb driving device, on the toe section. SOLUTION: This lower limb rehabilitation device is constituted of a sprint 9 for femur and a sprint 10 for crus. For a patient whose ankle does not bend, the device can correspond with the situation by changing the angle of ankle by the rotation of a knob 11 which is located at the ankle section of the sprint 10 for crus. On both sides of the sprint 9 for femur and the sprint 10 for crus, a slidable bar 12 is provided, and a serration disk 13 is fitted, and the connection of both sprints 9 and 10 is made secure. In addition, on the toe section of the sprint 10 for crus, a teaching switch and a brake releasing switch for a lower limb driving device are arranged. By this constitution, a switch control can be performed by supporting the sprint 10 for crus by one hand.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lower limb rehabilitation apparatus for performing rehabilitation by passively moving a lower limb by holding and exercising the lower limb of a person.

[0002]

2. Description of the Related Art As a lower limb rehabilitation device, a device proposed by the present applicant is disclosed in JP-A-8-196585.
JP-A-8-243136, JP-A-9-99021
And JP-A-10-258101. FIG. 8 is a plan view and FIG. 9 is a side view of a conventional lower limb rehabilitation device. The lower limb rehabilitation device includes a lower limb driving device (1) for restoring the limb function of a patient, a bed (2) on which the patient sleeps for treatment, a footrest (3), and an operation panel for operating a lower limb driving device ( 4) and a control box (5). In this device, a leg to be treated is mounted on a splint (6) attached to a lower limb driving device, and a leg on a non-treatment side is fixed to a leg rest with a belt (7) to perform recovery training (treatment). The recovery training procedure involves a physiotherapist (PT) holding a splint on the leg to be treated, flexing the leg according to the patient's condition, and teaching the lower limb drive. After that, when the required number of operations taught on the operation panel is input, the operation is repeated by the input number to perform recovery training.
Press the teaching switch on the lower leg splint attachment base before and after teaching, and when you want to move the arm of the lower limb drive device freely by hand during training, you can do so by pressing the brake release switch installed on the lower limb drive device . The basic pattern of the operation includes a bending operation for simultaneously bending and expanding and contracting the knee joint and the hip joint, and an SLR (Straight Leg Raising) for bending the hip joint while the knee is extended. ) To fix the knee.

[0003]

However, the conventional method has the following problems. 1) The splint was attached to the lower limb driving device as an accessory, and training was performed using a semicircular assisting device for fixing the knee at the time of SLR, mainly in the bending motion. SLR was difficult for a patient whose knees could not be extended with this assistive device. 2) Since the positions and angles of the thigh and lower leg splints were fixed, the position of the splint could not be adjusted according to the length of the patient's leg, and it was not possible to cope with a patient whose leg was rotating outward. Was. 3) The teaching switch is located on the lower leg splint mounting base, and the brake release switch is located on the lower limb drive, and is located away from the splint. ,
When the brake release switch is pressed, the arm of the lower limb driving device returns to the home position, so the PT has to support the sprint in an impossible posture. 4) The splint is a rigid frame, and the gap between the patient's leg and the splint is filled with a towel or the like, and the patient's leg is fixed to the splint. There was also a problem that the sprint was shifted during treatment.

[0004]

In order to solve the above-mentioned problems, the present invention comprises two splints, one for the thigh and the other for the lower leg, and the lower leg has a mechanism capable of responding to the angle of the ankle to be bent. The unit is provided with a teaching switch and a brake release switch of the lower limb driving device. Each of the thigh and lower thighs has a slidable bar on each side, and the bar has a serration disk at its tip. By fitting the serration disks together, the two splints can be moved at any angle. It can be connected. The base of the lower leg side bar has a mechanism that can freely slide and rotate. Further, the splint is constituted by a rigid frame and a flexible inner wound directly around the lower leg of the patient, and the inner and the frame are detachably connected by a hook-and-loop fastener. Further, the inner is provided with a level.

[0005]

1, 2 and 3 show an embodiment of a thigh and lower leg splint according to the present invention. It consists of two for the thigh (9) and the lower leg splint (10), and for a patient whose ankle does not bend, the angle of the ankle is changed by turning the knob (11) at the ankle of the lower leg splint. Can respond. A slidable bar (12) is provided on both sides for the thigh and the lower leg, and a serration disk (13) having radially cut teeth is provided at the tip of the bar. As shown in FIG. At the time of SLR, the serration disc (13) is tightened with a screw (not shown), so that the thigh and lower leg splints can be easily and reliably connected. As shown in FIG. 3, a teaching switch (15)
The brake release switch (16) of the lower limb driving device (1) is provided at the toe of the lower leg splint (10), and the switch can be pressed by supporting the lower leg splint with one hand. Further, since the base of the lower leg side bar (12) can be freely slid and rotated only by being inserted into the slide groove (14), the splint for the thigh and the lower leg according to the length of the patient's leg ( The position of 10) can be adjusted, and it is possible to cope with the SLR of the patient whose leg is externally rotated as shown in FIG. Also,
The serration disk (13) can be connected at an arbitrary angle and comes to the knee position of the patient, so that it can cope with the SLR of the patient whose knee does not extend as shown in FIG. At the time of bending operation, remove the screws and remove the serration disk (1).
The bar (12) can be taught without disturbing by releasing the connection of (3) and removing the bar (12) and storing it in the slide portion (14). FIG. 6 is a perspective view showing the inner (20) for the thigh splint (9). Inner (2
0) is a wide band made of a resilient material such as thick rubber. A narrow belt portion (21) is formed at one end of the inner, and a belt portion (21) is formed at the other end.
A mounting ring (22) tightened through is mounted. A hook-and-loop fastener is attached to the outer surface (the surface not visible in this figure) of the inner (20), and is attached to a not-shown hook-and-loop fastener attached to the thigh splint (9). To the thigh splint (9). When securing the patient's thigh to the thigh splint (9),
With the inner (20) fixed to the thigh splint (9), the patient's thigh is placed in the thigh splint (9),
Wrap the inner (20) around the thigh and belt (21)
Through the mounting ring (22) and tighten. FIG. 7 is a perspective view showing the inner (30) for the lower leg splint (10). The inner (30) is formed by forming a resilient material such as thick rubber into a boot shape.
The portion from the patient's lower leg to the ankle is wrapped and similarly tightened by the belt portion (31) and the mounting ring (32). A hook-and-loop fastener (33) and a snap (34) are attached to the outer surface of the inner (30) so that the hook-and-loop fastener (33) and the snap (34) fix the inner (30) to the lower leg splint (10). Has become. Further, the inner (30) is provided with a level (35), which is convenient for confirming an initial posture before performing treatment. The level (35) may be a level using water bubbles. However, the level is electrically measured, and the signal of the measured tilt amount is transmitted to the control box (5) to control the lower limb driving device (1). It may be used for.

[0006]

As described above, according to the present invention, the following effects can be obtained. 1) There are slidable bars on both sides for the thigh and lower leg, each with a serration disk at the tip of the bar so that they can be connected to each other at any angle.
Eliminates the need to change sprints or use assistive devices. 2) Patients with inflexible ankles and patients with inflexible knees with a mechanism that can handle the angle of the ankle bending for the lower leg and a mechanism that allows the base of the lower leg side to freely slide and rotate.・ It is now possible to cope with patients whose legs have external rotation. 3) Since the teaching switch and the brake release switch of the lower limb driving device are provided on the toe for the lower leg, the teaching switch and the brake release switch can be pressed while supporting the splint for the lower leg with one hand. Operability is improved and brake release is quick and safe. 4) Since the inner is fixed to the splint with a hook-and-loop fastener so as to be detachable, the inner can be easily replaced.

[Brief description of the drawings]

FIG. 1 is a side view of a thigh and lower leg splint showing an embodiment of the present invention.

FIG. 2 is a side view showing the embodiment of the present invention, in which a splint for a thigh and a splint for a lower leg are combined.

FIG. 3 is a plan view showing the embodiment of the present invention in which splints for thighs and lower legs are combined.

FIG. 4 is a plan view of a thigh and lower leg splint showing an embodiment of the present invention.

FIG. 5 is a side view of a thigh and lower leg splint showing an embodiment of the present invention.

FIG. 6 is a perspective view of an inner thigh splint showing an embodiment of the present invention.

FIG. 7 is a perspective view of an inner part of a lower leg splint showing an embodiment of the present invention.

FIG. 8 is a plan view showing a lower limb rehabilitation device according to the related art.

FIG. 9 is a side view showing a lower limb rehabilitation device according to the related art.

[Explanation of symbols]

 1: Lower limb driving device 2: Bed 3: Leg rest 4: Operation panel 5: Control box 6: Sprint 7: Belt 8: Auxiliary tool 9: Sprint for thigh 10: Sprint for lower leg 11: Knob 12: Bar 13: Serration Disc 14: Slide groove 15: Teach switch 16: Brake release switch 20: Inner 21: Belt 22: Mounting ring 30: Inner 31: Belt 32: Mounting ring 33: Surface fastener 34: Snap 35: Level

Claims (7)

[Claims] 1. A lower limb rehabilitation device comprising: a splint for holding a lower limb of a patient; and a driving device for driving and controlling the sprint, wherein the lower limb is rehabilitated by passively exercising the lower limb. A lower limb rehabilitation device comprising two splints, a splint and a lower leg splint, wherein the lower leg splint is provided with a teaching switch and a brake release switch of a lower leg driving device. 2. A lower limb rehabilitation device comprising: a splint for holding a patient's lower limb; and a driving device for driving and controlling the splint, wherein the lower limb is rehabilitated by passively exercising the lower limb. A lower limb rehabilitation device comprising two splints, a splint and a lower leg splint, wherein each of the two splints is configured to be detachable. 3. The two splints each have a slidable bar on each side, and have a serration disk at the tip of the bar, and the two splints can be arbitrarily fitted by fitting the serration disks together. 3. The lower limb rehabilitation device according to claim 2, wherein the lower limb rehabilitation device can be connected at an angle. 4. The mechanism according to claim 3, wherein the base of the lower leg side bar is a mechanism that can freely slide and rotate.
The lower limb rehabilitation device as described. 5. The lower limb rehabilitation device according to claim 2, wherein the lower leg splint is provided with a mechanism capable of coping with a bending angle of an ankle. 6. A lower limb rehabilitation device, comprising: a sprint for holding a lower limb of a patient; and a driving device for driving and controlling the sprint, wherein the lower limb is rehabilitated by passively exercising the lower limb. A lower limb rehabilitation device, comprising a frame provided and a flexible inner wound directly around a lower limb of a patient, wherein the inner and the frame are detachably connected by a hook-and-loop fastener. 7. The lower limb rehabilitation device according to claim 6, wherein the inner is provided with a level.