CN2190985Y

CN2190985Y - Recovering training treatment machine for joint of lower limb

Info

Publication number: CN2190985Y
Application number: CN 94209742
Authority: CN
Inventors: 张福顺; 许立峰
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-05-03
Filing date: 1994-05-03
Publication date: 1995-03-08
Anticipated expiration: 2004-05-03

Abstract

The utility model relates to a recovering training treatment machine for joints of lower limbs. A motor and a screw rod are arranged in a base. A screw nut matched with the screw rod is hinged with one end of a curved rod. the other end of the curved rod is hinged with a supporting plate positioned on a position following device which is mainly composed of a crank arm, a slide block, a baffle, a polished rod and a spring, wherein, the slide block can slide on the crank arm along with the movement of the crank arm; the outside of the slide block is connected with one end of a connecting rod. The other end of the connecting rod is hinged with one end of each of an upper leg bracket and a lower leg bracket by a hinge. A pedal is arranged on the other end of the lower leg bracket. An upper base is arranged on a lower base. A rotary handle can fix the upper base at a certain angle. The machine not only drives a patient's knee joints of lower limbs and hip joints to do extension-flexion movement, but also drives the hip joints to outward expand. The utility model effectively promotes the functional recovery of the joints of the lower limbs, and the operation is simple and practical.

Description

Recovering training treatment machine for joint of lower limb

This utility model relates to a kind of rehabilitation training therapeutic device that is used for the human body lower limbs joint.

Mostly the human body lower limbs rehabilitation appliances that often use in the hospital are the Design Theory manufacturing according to " postoperative is rested " of traditional medicine.These class rehabilitation appliances can only could use at the convalescence of traditional " postoperative is rested ", make knee joint, hip joint carry out flexion movement and reach the exercise purpose.Because these class rehabilitation appliances can not use after patient performs the operation, thereby have affected adversely preferable therapy rehabilitation opportunity at once.Chinese patent application number is 91229444.2 to disclose a kind of joint of the lower extremity rehabilitation device, and this rehabilitation appliances are according to " it is passive that the postoperative joint continues " this Osteopathic Medicine Design Theory.Its primary structure is: be provided with big palette and little supporting plate, motor and screw mandrel are installed in the base, an end of a nut that matches with screw mandrel and a curved bar is hinged, and an other end of curved bar is positioned at two middle parts of going up connecting rod.Two right-hand members of going up connecting rods are installed pedals, and left end then respectively links to each other with the right-hand member of two connecting rods that are connected as a single entity respectively by a hinge, the left end of a connecting rod again be positioned at base on actuator link to each other.This rehabilitation appliances can make patient use after disease is decreased operation on joint at once.Patient lies on a bed and lower limb is rested and transfers to correct position on the supporting plate during use, start, and patient's lower limbs just makes knee joint, hip joint carry out flexion movement with the motion of apparatus.

But this rehabilitation appliances can only make patient's knee joint and hip joint carry out flexion movement.Often the reset issues in terminal Fracture of femur patient's femoral head and hip joint on running in clinical, this not only needs the hip joint to carry out flexion movement, also needs the hip joint to carry out abduction exercise simultaneously, makes femoral head and hip embolia.At this moment, lower limb rehabilitation apparatus recited above just can not address this problem.

Main purpose of the present utility model provides a kind of improved lower limb and continues the passive rehabilitation apparatus, and it not only makes lower limb knee joint and hip joint can carry out flexion movement, but also can make the hip joint carry out abduction exercise.

This utility model is achieved in that the rotating screw mandrel of locating in the upper bed-plate of this rehabilitation machine by the motor transmission, one end of a nut that matches with screw mandrel and a curved bar is hinged, the other end of curved bar be positioned at the gripper shoe on the connecting lever of bit mover hinged.Comprise a connecting lever with bit mover, the transverse arm end of connecting lever is hinged with the support that is positioned on the upper bed-plate, separated by a distancely on the perpendicular arm of connecting lever locating two baffle plates, a slide block is installed between two plate washers, three locating holes are arranged on the slide block, the locating hole that three polished rods that match with three locating holes pass on the slide block is fixed on two end-stopping plates, in three polished rods, wherein also is set with spring on two corresponding polished rods.In the outside of slide block one connecting rod is housed, precession one location screw in the screw of the right-hand member of connecting rod.The other end of connecting rod is hinged with an end of big leg support and little leg support by hinge, at the other end of little leg support one pedal is housed.Be shaped on the groove of a circular arc at an end of upper bed-plate, dog screw embeds in this arc-shaped slot by the fixed supported slab on the lower bottom base, the other end of dog screw is also connecting a rotary handle, and the two ends of upper bed-plate are connected with fixed supported slab on the lower bottom base by connecting rod.

Below in conjunction with embodiment shown in the drawings, the utility model is described in further detail.

Fig. 1 is the front view of this utility model structure.

Fig. 2 is the vertical view (with bit mover when the horizontal level) of this utility model structure.

Fig. 3 is that the A of upper bed-plate among Fig. 1 is to sketch map.

Fig. 4 is that the B of hinge among Fig. 1 is to sketch map.

Fig. 5, Fig. 6 are respectively that this machine moves to vertical direction extreme position sketch map from horizontal level.

Fig. 7 is the extreme position figure that this machine is tilted to the right.

As shown in the figure, locating screw mandrel 5 in the upper bed-plate 4, transferring the motion to screw mandrel by shaft joint by motor 7, the nut 6 that matches with screw mandrel is hinged with an end of curved bar 8, spacing pole 36 is housed on the curved bar 8, and this pole 36 is positioned at the top of screw mandrel 5, with the screw mandrel positioned parallel on upper bed-plate 4.Make that nut can only produce translational motion when screw mandrel rotated.The other end of curved bar 8 be positioned at the gripper shoe 22 on the connecting lever 24 of bit mover 15 hingedly, comprise with bit mover 15: the connecting lever 24 that is rectangular in shape, the transverse arm end of connecting lever 24 is hinged with the support 29 that is positioned on the upper bed-plate 4.Two

baffle plates

16,21 of locating separated by a distance on the perpendicular arm of connecting lever 24, a slide block 14 is installed between two baffle plates, three locating holes are arranged on the slide block, and the locating hole that three polished rods 17,18,38 that match with three locating holes pass on the slide block 14 is fixed on two end-stopping plates.In three polished rods, wherein on two corresponding polished rods, also be set with spring 37,39.Slide block can be done the circular arc motion along with connecting lever, slides on polished rod.Be sleeved on the polished rod spring in order to control slide block movement.On the position of vertical direction a connecting rod 13 is housed with it in the outside of slide block 14, precession one location screw 19 in the screw of the right-hand member of connecting rod 13, connecting rod is positioned on the slide block, and the other end of connecting rod 13 is hinged with an end of big leg support 23 and shank carriage 9 by hinge 12.

In said mechanism, according to patient's knee joint and hip joint flexion and extension angle, by hinge 35,20,30 curved bar 8, connecting lever 24, support 29 being angle in design connects, hinge 12 is angle with connecting rod 13 with big leg support 23 shank carriages 9 and is connected, and screw 19 is angle with slide block 14 with connecting rod 13 and is connected.Thereby when under the drive of nut 6 at screw mandrel during translational motion, drive the curved bar translation, curved bar promotes upwards to do the circular arc motion with the perpendicular arm of the connecting lever 24 of bit mover from being parallel to upper bed-plate 4 positions, connecting lever is holded up, meanwhile, the slide block 14 that is installed on the polished rod is also done the circular arc motion along with connecting lever 24 and is slided to the other end of polished rod from an end of polished rod.The connecting rod 13 that is installed in simultaneously on the slide block also will drive thigh carriages 23 and shank carriage 9 from parallel position along with slide block 14 slides, and upwards make angle varying motion (referring to Fig. 5, Fig. 6).Guaranteed that there is definite movement locus in mechanism.After patient's lower limbs was shelved on the apparatus, slide block 14 drivening rods 13 and big leg support 23 and 9 motions of shank carriage made the relative motion between big leg support and the little leg support consistent with human body hip joint and kneed flexion and extension.

For adapting to patient's needs of different heights, the other end of shank carriage 9 also is connected with a U-shaped adjusting rod 42, and adjusting rod 42 inserts in the pole of little leg support, and

screw

40,41 is used for fixing the position of adjusting, unclamp

screw

40,41, just can regulate according to patient's shank length variations.The middle part of adjusting rod affixed a supporting plate 32, a universal turning bench 33 is equipped with in the upper end of supporting plate, and pedal 34 is installed on the The Cloud Terrace.The sole that holder rests the patient on the pedal can make sole rotatablely move as front, rear, left and right with the universal turning bench direction of motion.The lower end of supporting plate 32 is equipped with

castor

31,43, and when 9 motions of shank carriage, castor also rolls thereupon, to reduce resistance.

Upper bed-plate 4 is installed on the lower bottom base 3, be shaped on the groove (referring to Fig. 3) of circular arc at an end of upper bed-plate 4, one end of dog screw 27 embeds in the groove of this circular arc by the fixed supported slab on the lower bottom base 3 28, and the other end of dog screw 27 is also connecting a rotatable handle 25.The two ends of upper bed-plate are connected with fixed supported

slab

1,28 on the lower bottom base by connecting rod 2,26.When abduction exercise need be carried out in patient's hip joint, rotary handle 25, fixing then, can make upper bed-plate drive whole machine body and tilt to do the angle variation to the left or to the right.(referring to Fig. 7)

For the knee joint of controlling patient is bent and stretched angle, stopping means also is housed on this machine, one of stopping means is: a limited support 10,11 is respectively located in the appropriate location, bottom at big leg support 23 and shank carriage 9, in order to limit minimum angle between big leg support and the little leg support.Two of stopping means is: be shaped on the groove 44 of a circular arc on one of them body cradle of hinge 12, in body cradle of an end precession of dog screw 45, embed the groove 44 interior (referring to Fig. 4) of the circular arc of another body cradle then.

This machine can be regulated according to patient's situation before use, during as if the rehabilitation left lower extremity, the dog screw on the connecting rod 13 that is installed on the slide block 14 can be screwed off, and the connecting rod that connects big leg support and little leg support is placed on the right side of base.If during the rehabilitation right lower extremity, the connecting rod that then will connect big leg support and little leg support is placed on the left side of base, then, with dog screw precession connecting rod, it is located on slide block, just can bring into use.

During use, patient only need lie on a bed, and lower limb are rested on big leg support and the little leg support, transfers to correct position, the use of then can starting shooting.

Advantage of the present utility model: 1, owing to adopt said structure to make with it parallel position of the outside that big leg support and shank bracket be positioned at body, making patient's hip joint first motion angle is zero degree, thereby does not need to regulate the first motion angle in hip joint. Advantage 2, owing to adopt said structure, when rotary handle is fixed on upper bed-plate on certain angle then, can make patient's hip joint carry out abduction exercise, also can carry out flexion movement simultaneously. Advantage 3, of the present utility model simple in structure, easy to operate can promote the recovery of patient's joint of lower extremity function effectively.

Claims

1, a kind of joint of the lower extremity rehabilitation training therapy apparatus that is used for, be provided with big leg support and little leg support, end at little leg support is equipped with pedal, rotating screw mandrel by the motor transmission is installed in base, one end of a nut that matches with screw mandrel and a curved bar is hinged, principal character of the present utility model is: the other end of curved bar be positioned at the gripper shoe 22 on the connecting lever 24 of bit mover hinged

(A) describedly comprise a connecting lever 24 with bit mover 15, the transverse arm end of connecting lever is hinged with the support 29 that is positioned on the upper bed-plate 4, two baffle plates 16,21 of locating separated by a distance on the perpendicular arm of connecting lever, slide block 14 is installed between two baffle plates, three locating holes are arranged on the slide block, and the locating hole that three polished rods 17,18,38 that match with three locating holes pass on the slide block 14 is fixed on two end-stopping plates, in three polished rods, wherein also be set with spring 37,39 on two corresponding polished rods

(B) connecting rod 13 is equipped with in the outside of described slide block 14, precession one location screw 19 in the screw of the right-hand member of connecting rod, and the other end of connecting rod 13 is hinged with an end of big leg support 23 and shank carriage 9 by hinge 12,

(C) be shaped on the groove of a circular arc at an end of upper bed-plate 4, one end of dog screw 27 embeds in the groove of this circular arc by the fixed supported slab on the lower bottom base 3 28, the other end of dog screw 27 is also connecting a rotary handle 25, and the two ends of upper bed-plate 4 are connected with fixed supported slab 1,28 on the lower bottom base 3 by connecting rod 2,26.

2, according to the described joint of the lower extremity rehabilitation training of claim 1 therapy apparatus, it is characterized in that: be shaped on an arc-shaped slot 44 on one of them body cradle of described hinge 12, in body cradle of an end precession of dog screw 45, embed then in the arc-shaped slot 44 of another body cradle.

3, according to claim 1 or 2 described joint of the lower extremity rehabilitation training therapy apparatuss, it is characterized in that: a limited support 10,11 is respectively located in the appropriate location, bottom of described big leg support 23 and shank carriage 9.