CN112022478A - Orthopedics postoperative limbs fixing device - Google Patents

Abstract

An orthopedic post-operative limb fixation device. A liftable installation box is installed on the upper end of a base plate, a detachable leg fixation device is installed at the upper end of the installation box, and a foot placement box is installed on the rear side of the leg fixation device; the installation box A first swinging chute plate that can swing left and right intermittently is installed on the inner upper end of the device; a second swinging chute plate that can swing left and right intermittently is installed on the lower side of the first swinging chute plate; the legs of the device are fixed when in use The device can be divided into two parts. When fixing the patient's affected limb, the patient's affected limb can be fixed by connecting the two parts, so as to ensure the normal recovery of the patient's affected limb, and it is suitable for different thickness of the affected limb. The scope of application is wide; in order to strengthen the recovery of the patient's affected limb, the device can assist the patient's affected limb to carry out rehabilitation training, promote the blood circulation of the affected limb and strengthen the rehabilitation of the patient's affected limb.

Description

An orthopedic postoperative limb immobilization device

technical field

The invention relates to the field of medical equipment, in particular to a limb fixation device after orthopedic surgery.

Background technique

Most of the patients treated in orthopedics are limb fractures. For patients with lower limb fractures, in order to prevent the repositioned fracture site from being dislocated again during the treatment process, it is necessary to fix the patient's affected limb to maintain the stability of the patient's affected limb, so that For the recovery of the patient's limb, the currently used limb immobilization device is very troublesome to operate and install when immobilizing the affected limb of the affected limb, which is time-consuming and laborious, and inconvenient to disassemble. Appropriate functional exercise can facilitate the recovery of the affected limb to normal function as soon as possible and accelerate the healing of the affected limb. However, the current immobilization device cannot perform functional exercise very conveniently after immobilizing the affected limb of the patient, and the function is relatively simple.

SUMMARY OF THE INVENTION

Aiming at the shortcomings of the prior art, the present invention provides a limb fixation device after orthopaedic surgery, which can be very convenient to fix the affected limb of a patient, has a good fixation effect, is easy to disassemble, and can assist the patient to perform functional exercise. Various and effective solutions to the problems mentioned in the above background art.

The technical scheme adopted by the present invention for solving the above problems is:

An orthopedic post-operative limb fixation device, comprising a base plate, an upper end of the base plate is provided with a liftable installation box, a detachable leg fixation device is installed at the upper end of the installation box, and a rear side of the leg fixation device is installed A foot placement box is installed; the inner upper end of the installation box is installed with a first swing chute plate that can swing left and right intermittently, and a vertical slider that can move back and forth is slidably connected to the inner side of the first swing chute plate , the upper end of the vertical sliding block is detachably connected with the foot placement box, and when the first swinging chute plate swings left and right, the structure of the leg fixing device intermittently swinging left and right can be formed; The lower side of the first swing chute plate is installed with a second swing chute plate that can swing left and right intermittently, the lower end of the vertical slider is fixedly connected with a second pin shaft, and the lower end of the second pin shaft It is slidably connected to the inner side of the second swinging chute plate, and when the second swinging chute plate swings left and right, it can form a structure in which the foot placement box moves back and forth intermittently;

The leg fixing device includes an upper fixing plate and a lower fixing plate, and the left and right sides of the upper fixing plate and the lower fixing plate are respectively hinged with an upper connecting ring plate and a lower connecting ring plate. The connecting ring plates are detachably connected, and inner clamping plates that can move inward are respectively installed on the left and right sides of the inner surfaces of the upper fixing plate and the lower fixing plate.

Preferably, a rotatable active dial is installed on the inner lower side of the installation box, a matching sheave is engaged with the left side of the active dial, and the matching sheave is rotatably connected to the inner lower end of the installation box, so The upper end of the matching sheave is coaxially fixed with a drive plate, the rear side of the upper end of the drive plate is fixedly connected with a first pin shaft, the inside of the installation box is rotatably connected with a swing control plate, and the first pin shaft is connected with the first pin shaft. The swing control plate is slidably connected, and when the active dial rotates, the swing control plate can intermittently swing left and right, and the front end of the swing control plate is fixedly connected with an incomplete gear.

Preferably, the lower front end of the second swing chute plate is fixedly connected to a limit cylinder, the limit cylinder is rotatably connected to the inside of the installation box, the interior of the limit cylinder is rotatably connected to a limit shaft, and the limit cylinder is rotatably connected to a limit shaft. The upper end of the limit shaft is fixedly connected with the first swing chute plate, the surface of the limit cylinder is slidably connected with a second driven gear that can move up and down, and the surface of the limit shaft is slidably connected with a second driven gear that can move up and down. The second driven gear is a first driven gear that moves synchronously, the incomplete gear is located between the first driven gear and the second driven gear, and the underside of the incomplete gear The inside of the installation box is fixedly connected with a fixed gear that can mesh with the first driven gear. When the first driven gear and the second driven gear move up and down, respectively, they mesh with the incomplete gear. The structure of the first swinging chute plate and the second swinging chute plate intermittently swinging left and right respectively;

An arc-shaped sliding block is rotatably connected to the rear side of the lower end of the first swinging chute plate, the surface of the arc-shaped sliding block is slidably connected with an arc-shaped sliding rail, and the arc-shaped sliding rail is fixedly connected with the installation box. internal.

Preferably, the front side of the installation box is slidably connected with a connecting frame that can move up and down, and the upper and lower ends of the rear side of the connecting frame are respectively rotatably connected with the first driven gear and the second driven gear, so The front end of the connecting frame is threadedly connected with a control screw, the control screw is rotatably connected to the front end surface of the installation box, the left side of the front end of the connecting frame is fixedly connected with a main indicator key, and the left side of the main indicator key is connected. A first indication key, a neutral key and a second indication key are respectively fixedly connected on the surface of the installation box from top to bottom.

Preferably, lower support sliders are respectively slidably connected to the left and right sides of the upper end of the bottom plate, lower support rods are hingedly connected to the surfaces of the two lower support sliders, and first support rods are hinged to the other ends of the lower support rods respectively. Adjustment hinge plates, the other ends of the first adjustment hinge plates are respectively hinged with second adjustment hinge plates, the other end of the second adjustment hinge plates is hinged with the lower end of the installation box, and the left and right sides of the lower end of the installation box are hinged. The sides are respectively slidably connected with upper support sliders, the surfaces of the two upper support sliders are respectively hinged with upper support rods, the middle part of the surface of the upper support rod is hinged with the surface of the lower support rod, and the other side of the upper support rod is hinged. One end is hinged with the surface of the bottom plate;

The surface of the first adjusting hinge plate is provided with an adjusting chute, the inside of the adjusting chute is slidably connected with an adjusting slider, the upper end of the adjusting slider is hinged with an inner push rod, and the other end of the inner push rod is connected It is hinged with the second adjustment hinge plate, an adjustment spring is arranged inside the adjustment chute, and both ends of the adjustment spring are respectively fixedly connected to the inside of the adjustment chute and the adjustment slider;

The upper end of the bottom plate is slidably connected with a push plate that can move back and forth, the left and right sides of the push plate are respectively slidably connected with a sliding plate, and the two ends of the sliding plate are respectively fixedly connected with the lower support slider. The middle part of the surface of the base plate is connected with a driving screw through a thread, and the driving screw is rotatably connected to the surface of the bottom plate.

Preferably, the rear side of the upper end surface of the installation box is provided with an arc-shaped chute corresponding to the arc-shaped slide rail, and the surface of the installation box on the front side of the arc-shaped chute is provided with a surface corresponding to the first Swing the chute plate to the corresponding vertical chute;

The upper end of the vertical slider is fixedly connected with a connecting cylinder, the interior of the connecting cylinder is provided with an installation groove, the upper end of the connecting cylinder is provided with an insertion key groove and the insertion key groove is connected with the installation groove, the The interior of the installation slot is provided with a matching key block that can be matched with the insertion key slot, an auxiliary knob is fixedly connected to the upper side of the matching key block, a hinge seat is fixedly connected to the upper end of the auxiliary knob, and the foot is placed in a box. The lower end of the hinge is hinged with the hinge seat.

Preferably, the left and right ends of the lower connecting ring plate are respectively provided with inner grooves, the left and right sides of the inner groove are respectively provided with connecting insert plates, and the upper ends of the connecting insert plates are respectively fixedly connected with the upper connecting ring plate , the lower ends of the connecting plug-in boards are respectively slidably connected with spring shafts, and the surfaces of the spring shafts are respectively sleeved with pushing springs;

The left and right sides of the inner groove at the right end of the lower connecting ring plate are respectively connected with matching gears in rotation. The plate is fixedly connected; the right side of the matching gear is respectively fixed with a stop ratchet, the inner side of the stop ratchet is respectively meshed with a stop ratchet block, and the stop ratchet block is slidably connected to the the inner wall of the inner groove, the inner end of the stop ratchet block is slidably connected with a mounting rod, and the surface of the mounting rod is sleeved with a return spring;

The inner right end of the installation slot is rotatably connected to the rotating plate, the two sides of the surface of the rotating plate are respectively hinged with hinged pull plates, and the outer ends of the hinged pull plates are respectively hinged with the stop ratchet block; the rotating plate A connecting shaft is fixedly connected to the middle of the right end of the connecting shaft, the right end of the connecting shaft penetrates the lower connecting ring plate, and a control knob is fixedly connected to the right end of the connecting shaft.

Preferably, a connection box is fixedly connected to the lower end of the lower connection ring plate on the rear side, an extension plate is slidably connected to the inside of the connection box, and the other end of the extension plate is fixedly connected to the foot placement box; A fixing bolt is threadedly connected to the rear side of the left end of the connection box, and a fixing plate is rotatably connected to the other end of the fixing bolt.

The present invention has novel structure, ingenious design, simple and convenient operation, and has the following advantages compared with the prior art:

1. The leg fixation device of this device can be divided into two parts. When fixing the patient's affected limb, the patient's affected limb can be fixed by connecting the two parts to ensure the normal operation of the patient's affected limb. Recovery, and during fixation, the patient's affected limb can be clamped and fixed twice by the inner clamping plate, the fixation effect is good, and it is suitable for affected limbs of different thicknesses, with a wide range of applications;

2. In order to strengthen the recovery of the patient's affected limb, the device can assist the patient's affected limb to carry out rehabilitation training, promote the blood circulation of the affected limb, and strengthen the rehabilitation of the patient's affected limb; when in use, the first swing chute plate can be controlled to carry out rehabilitation training. The left and right swinging intermittently drives the leg fixing device to swing left and right intermittently, which in turn drives the patient’s affected limb to swing intermittently, and can also control the second swing chute plate to swing left and right intermittently to drive the foot. The placing box moves back and forth intermittently, so that the patient's affected limb can be slowly bent and unfolded with the knee joint as the bending point, and the patient's knee joint can be activated, thereby exercising and promoting the recovery of the function of the patient's lower limb. When assisting the patient's affected limb to perform rehabilitation exercises, the patient will be driven to perform slow intermittent exercise, so that the patient can gradually adapt, enhance the comfort of the affected limb when using it, and prevent secondary injury to the patient's affected limb. When the patient recovers to be able to move voluntarily, he can also actively swing the affected limb left and right, bend and stretch the affected limb, and can control the speed of the affected limb movement according to the patient's wishes, so as to increase the comfort of the patient when using it.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an orthopedic postoperative limb fixation device according to the present invention.

FIG. 2 is a schematic diagram of a lifting structure of an installation box of an orthopedic postoperative limb fixation device of the present invention.

3 is a schematic diagram of the installation structure of the first adjustment hinge plate and the second adjustment hinge plate of an orthopedic postoperative limb fixation device of the present invention.

4 is a first schematic diagram of a leg fixing device of an orthopedic postoperative limb fixing device according to the present invention.

FIG. 5 is a second schematic diagram of a leg fixing device of an orthopedic postoperative limb fixing device according to the present invention.

6 is a first schematic diagram of the internal structure of the inner groove of an orthopedic postoperative limb fixation device of the present invention.

7 is a second schematic diagram of the internal structure of the inner groove of an orthopedic postoperative limb fixation device of the present invention.

FIG. 8 is a schematic diagram of the installation structure of the inner clamping plate of an orthopedic postoperative limb fixation device of the present invention.

FIG. 9 is a schematic diagram of the installation structure of the foot placement box of an orthopedic postoperative limb fixation device of the present invention.

Fig. 10 is an exploded schematic diagram of the connection structure between the mating key block and the connecting cylinder of an orthopedic postoperative limb fixation device according to the present invention.

11 is a schematic structural diagram of the upper end of the installation box of an orthopedic postoperative limb fixation device of the present invention.

12 is a first schematic diagram of the internal structure of an installation box of an orthopedic postoperative limb fixation device of the present invention.

Fig. 13 is an exploded schematic view of the swing structure of the swing control plate of an orthopaedic postoperative limb fixation device of the present invention.

14 is a second schematic diagram of the internal structure of the installation box of an orthopedic postoperative limb fixation device of the present invention.

Figure 15 is a schematic diagram of the meshing structure of the active dial and the matching sheave of an orthopedic postoperative limb fixation device according to the present invention.

16 is a schematic diagram of the installation structure of the first swing chute plate of an orthopedic postoperative limb fixation device of the present invention.

17 is a schematic diagram of the installation structure of the second swing chute plate of an orthopedic postoperative limb fixation device of the present invention.

Fig. 18 is a schematic diagram of the coordination structure of the first indicator key, the second indicator key, the third indicator key and the main indicator key of an orthopedic postoperative limb fixation device of the present invention.

Labels in the figure: 1- bottom plate, 2- lower support rod, 3- upper support rod, 4- lower support slider, 5- upper support slider, 6- slide plate, 7- push plate, 8- drive screw, 9- 1st adjustment hinge plate, 10-second adjustment hinge plate, 11-inner push rod, 12-adjustment slider, 13-adjustment spring, 14-support block, 15-upper connecting ring plate, 16-lower connecting ring plate, 17-upper fixing plate, 18-lower fixing plate, 19-inner clamping plate, 20-clamping limit rod, 21-clamping screw rod, 22-foot placing box, 23-connecting plug-in plate, 24-matching tooth Bar, 25-Pushing Spring, 26-Matching Gear, 27-Stopping Ratchet, 28-Stopping Ratchet Block, 29-Hinged Pull Plate, 30-Rotating Plate, 31-Mounting Rod, 32-Return Spring, 33-Control Knob, 34-connection box, 35-extension plate, 36-fixed bolt, 37-fixed plate, 38-arc chute, 39-vertical chute, 40-first swing chute plate, 41-vertical slide block, 42-connecting cylinder, 43-insert keyway, 44-installation slot, 45-matching key block, 46-auxiliary knob, 47-swing control board, 48-motor, 49-active dial, 50-matching groove wheel, 51-drive plate, 52-first pin, 53-incomplete gear, 54-fixed gear, 55-arc slider, 56-limit shaft, 57-limit cylinder, 58-second driven gear, 59-first driven gear, 60-connecting frame, 61-control screw, 62-first indicator key, 63-neutral key, 64-second indicator key, 65-main indicator key, 66-articulated seat, 67- Installation box, 68-Arc slide rail, 69-Second swing chute plate.

Detailed ways

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in Figs. 1-18, the present invention provides an orthopedic post-operative limb fixation device, comprising a base plate 1, an upper end of the base plate 1 is mounted with a liftable mounting box 67, and a detachable mounting box 67 is mounted on the upper end of the mounting box 67 The leg fixing device, the foot placement box 22 is installed on the rear side of the leg fixing device; the inner upper end of the installation box 67 is installed with a first swinging chute plate 40 that can swing left and right intermittently. A vertical sliding block 41 that can move back and forth is slidably connected to the inner side of a swinging chute plate 40, and the upper end of the vertical sliding block 41 is detachably connected to the foot placing box 22. When the first swing sliding When the trough plate 40 swings left and right, a structure in which the leg fixing device is intermittently swung left and right can be formed; the lower side of the first swing chute plate 40 is installed with a second swing chute plate 69 that can intermittently swing left and right. , the lower end of the vertical slider 41 is fixedly connected with a second pin shaft, and the lower end of the second pin shaft is slidably connected to the inner side of the second swing chute plate 69. When the second swing chute plate 69 When swinging left and right, the foot placement box 22 can intermittently move back and forth;

The leg fixing device includes an upper fixing plate 17 and a lower fixing plate 18. The left and right sides of the upper fixing plate 17 and the lower fixing plate 18 are hinged with an upper connecting ring plate 15 and a lower connecting ring plate 16 respectively. The upper connecting ring plate 15 and the lower connecting ring plate 16 are detachably connected. The left and right sides of the inner surface of the upper fixing plate 17 and the lower fixing plate 18 are respectively installed with inner clamping plates 19 that can move inward.

When the device is in use, the fractured calf can be clamped and fixed by the leg fixing device, so as to ensure the normal recovery of the patient's affected limb, and in the process of fixing the affected limb, in order to strengthen the recovery of the patient's affected limb, the device can assist Rehabilitation training is performed on the affected limb of the patient to promote the blood circulation of the affected limb and strengthen the rehabilitation of the affected limb of the patient; during use, the first swing chute plate 40 can be controlled to swing intermittently left and right, and the leg fixing device can be driven to intermittently swing It swings left and right intermittently, thereby driving the patient's affected limb to swing intermittently, and can also control the second swing chute plate 69 to swing left and right intermittently, and drive the foot placement box 22 to move back and forth intermittently, so that the The patient's affected limb is slowly bent and unfolded with the knee joint as the bending point, and the patient's knee joint is activated, thereby exercising and promoting the recovery of the function of the patient's lower limb; the device drives the patient when assisting the patient's affected limb to perform rehabilitation exercises. The patient can perform slow intermittent exercise, so that the patient can gradually adapt, enhance the comfort of the affected limb, prevent secondary injury to the patient's affected limb, and actively swing left and right when the patient recovers to be able to move independently The affected limb can be bent and stretched, and the speed of the affected limb can be controlled according to the patient's wishes to increase the comfort of the patient;

As shown in FIG. 5 , the leg immobilization device can be divided into two parts during use. When immobilizing the patient's affected limb, the patient's affected limb can be immobilized by connecting the two parts. The patient's affected limb can be clamped and fixed twice through the inner clamping plate 19, the fixation effect is good, and it is suitable for affected limbs of different thicknesses, and has a wide range of applications.

A rotatable active dial 49 is installed on the inner lower side of the installation box 67 , the left side of the active dial 49 is engaged with a matching sheave 50 , and the matching sheave 50 is rotatably connected to the inside of the installation box 67 At the lower end, the upper end of the matching sheave 50 is coaxially fixed with a drive plate 51, the rear side of the upper end of the drive plate 51 is fixedly connected with a first pin shaft 52, and the inside of the installation box 67 is rotatably connected with a swing control plate 47. The first pin 52 is slidably connected to the swing control plate 47. When the active dial 49 rotates, the swing control plate 47 can intermittently swing left and right. The swing control plate 47 An incomplete gear 53 is fixedly connected to its front end.

The lower end of the active dial 49 is fixedly connected with a motor 48, and the motor 48 can drive the active dial 49 to rotate when it is working. Discomfort; as shown in Figure 13, when the active dial 49 rotates, the cooperating sheave 50 can be toggled for intermittent rotation, and the teeth on the edge of the cooperating sheave 50 are provided with arc surfaces that can engage with the active dial 49, The sheave mechanism is formed by the active dial 49 and the matching sheave 50, so that the matching sheave 50 has a self-locking effect when rotating; when the matching sheave 50 rotates intermittently, the driving plate 51 rotates accordingly, and the driving plate 51 rotates In the course of one week, through the effect of sliding connection between the first pin 52 and the swing control plate 47, the swing control plate 47 can be driven to repeatedly swing left and right around the connection point of the rotational connection with the installation box 67, and the drive is not completely The gear 53 swings left and right.

The lower front end of the second swing chute plate 69 is fixedly connected to a limit cylinder 57 , the limit cylinder 57 is rotatably connected to the inside of the installation box 67 , and the interior of the limit cylinder 57 is rotatably connected to the limit shaft 56 , the upper end of the limit shaft 56 is fixedly connected with the first swing chute plate 40, the surface of the limit cylinder 57 is slidably connected with a second driven gear 58 that can move up and down, the limit shaft 56 A first driven gear 59 that can move synchronously with the second driven gear 58 is slidably connected to the surface of the second driven gear 58 , and the incomplete gear 53 is located between the first driven gear 59 and the second driven gear 58 During the time, the installation box 67 on the lower side of the incomplete gear 53 is fixedly connected with a fixed gear 54 that can engage with the first driven gear 59. When the first driven gear 59 and the first driven gear 59 are When the two driven gears 58 move up and down and mesh with the incomplete gears 53 respectively, the first swing chute plate 40 and the second swing chute plate 69 can swing left and right intermittently respectively;

An arc-shaped sliding block 55 is rotatably connected to the rear side of the lower end of the first swing chute plate 40 , and an arc-shaped sliding rail 68 is slidably connected to the surface of the arc-shaped sliding block 55 , and the arc-shaped sliding rail 68 is fixedly connected with a inside the mounting box 67 .

The front side of the installation box 67 is slidably connected with a connecting frame 60 that can move up and down, and the upper and lower ends of the rear side of the connecting frame 60 are respectively rotatably connected with the first driven gear 59 and the second driven gear 58 , the front end of the connecting frame 60 is threadedly connected with a control screw 61, the control screw 61 is rotatably connected to the front end surface of the installation box 67, and the main indicator key 65 is fixedly connected to the left side of the front end of the connecting frame 60, A first indication key 62 , a neutral key 63 and a second indication key 64 are respectively fixedly connected to the surface of the installation box 67 on the left side of the main indication key 65 from top to bottom.

As shown in FIG. 15 and FIG. 18 , two sides of the surface of the limiting cylinder 57 and the connecting shaft are respectively provided with sliding grooves, and the inner sides of the first driven gear 59 and the second driven gear 58 are respectively provided with sliding connections with the sliding grooves. The slider, the first driven gear 59 and the second driven gear 58 can not only move up and down on the surfaces of the limit shaft 56 and the limit cylinder 57, but also drive the limit shaft 56 and the limit cylinder 57 to rotate; Rotating the control screw 61 can drive the connecting frame 60 to move up and down, and then drive the first driven gear 59 and the second driven gear 58 to move up and down, so that the first driven gear 59 and the second driven gear 58 are respectively connected with the incomplete gear. 53 meshes, and when the incomplete gear 53 swings, the first swing chute plate 40 and the second swing chute plate 69 are respectively driven to swing left and right;

The first indication key 62, the second indication key 64 and the neutral key 63 are respectively used to assist the user to control the distance of the up and down movement of the connecting frame 60, so that the first driven gear 59 and the second driven gear 58 can be accurately and incompletely The gear 53 is meshed, which is convenient for the user to operate; when the connecting frame 60 moves down to align the main indicator key 65 with the second indicator key 64, the second driven gear 58 is meshed with the incomplete gear 53, and the first driven gear 59 is meshed with the The fixed gear 54 is engaged, and the fixed gear 54 restricts the first driven gear 59 so that the first swing chute plate 40 cannot rotate, and then the incomplete gear 53 drives the second swing slide through meshing with the second driven gear 58 . The groove plate 69 swings left and right intermittently. When the second swinging chute plate 69 swings left and right, the vertical slider 41 can be pushed to swing back and forth intermittently through the cooperation with the second pin, and then the foot The placing box 22 drives the leg fixing device to bend and stretch the knee joint of the affected limb as a bending point, so as to move and exercise the affected limb of the patient; and also stop the motor 48 from rotating when the affected limb of the affected limb can exercise autonomously. , the patient voluntarily bends and stretches the affected limb, and drives the vertical slider 41 to slide back and forth on the inner side of the second swing chute plate 69;

When the connecting frame 60 moves upward so that the main indicator key 65 is aligned with the first indicator key 62, the first driven gear 59 can be engaged with the incomplete gear 53, and the first swing chute plate 40 can be driven to slide in an arc. The rail 68 swings left and right intermittently for the rail, and the arc slide 55 is used to connect the arc slide 68 and the first swing chute plate 40; when the main indicator key 65 is aligned with the neutral key 63, the incomplete gear 53 is in the first position. Between the first driven gear 59 and the second driven gear 58, the patient can swing the affected limb left and right and bend and stretch the affected limb according to his own wishes.

The left and right sides of the upper end of the bottom plate 1 are respectively slidably connected with lower support sliders 4, the surfaces of the two lower support sliders 4 are respectively hinged with lower support rods 2, and the other ends of the lower support rods 2 are hinged with respectively. The first adjustment hinge plate 9, the other end of the first adjustment hinge plate 9 is respectively hinged with the second adjustment hinge plate 10, and the other end of the second adjustment hinge plate 10 is hinged with the lower end of the installation box 67, so The left and right sides of the lower end of the installation box 67 are respectively slidably connected with upper support sliders 5, and the surfaces of the two upper support sliders 5 are respectively hinged with upper support rods 3. The surface of the strut 2 is hinged, and the other end of the upper strut 3 is hinged to the surface of the bottom plate 1;

An adjustment chute is provided on the surface of the first adjustment hinge plate 9 , an adjustment slider 12 is slidably connected to the inside of the adjustment chute, and an inner push rod 11 is hinged to the upper end of the adjustment slider 12 . The other end of the rod 11 is hinged with the second adjusting hinge plate 10 , an adjusting spring 13 is arranged inside the adjusting chute, and the two ends of the adjusting spring 13 are respectively connected with the inside of the adjusting chute and the adjusting slider. 12 fixed connection;

The upper end of the bottom plate 1 is slidably connected with a push plate 7 that can move back and forth, the left and right sides of the push plate 7 are respectively slidably connected with a slide plate 6, and the two ends of the slide plate 6 are respectively fixed with the lower support slider 4. The middle part of the surface of the push plate 7 is connected with a driving screw 8 through a thread, and the driving screw 8 is rotatably connected to the surface of the bottom plate 1 .

As shown in Fig. 2 and Fig. 3, by rotating the driving screw 8, the push plate 7 can be driven to move forward, and the lower support slider 4 and the upper support slider 5 can be driven to move forward at the same time when the driving plate 51 moves forward. , and drive the lower strut 2 and the upper strut 3 to stretch with the hinge point as the center, push the installation box 67 to lift and lower, and the patient can adjust the height of the installation box 67 according to his own needs to support the patient's affected limb; The front end is connected with the installation box 67 through the first adjustment hinge plate 9 and the second adjustment hinge plate 10, and the first adjustment hinge plate 9 and the second adjustment hinge plate 10 are hinged to each other, and the inner push rod 11 and the adjustment spring 13 are between them. For support, when the patient's leg is placed on the installation box 67, the front side of the installation box 67 can be tilted to the front side under weight, so as to enhance the comfort of the patient during use.

The rear side of the upper end surface of the installation box 67 is provided with an arc-shaped sliding groove 38 corresponding to the arc-shaped sliding rail 68 , and the surface of the installation box 67 on the front side of the arc-shaped sliding groove 38 is provided with a surface corresponding to the The first swinging chute plate 40 is directed to the corresponding vertical chute 39;

The upper end of the vertical slider 41 is fixedly connected with a connecting cylinder 42, the interior of the connecting cylinder 42 is provided with a mounting groove 44, the upper end of the connecting cylinder 42 is provided with an insertion key groove 43, and the insertion key groove 43 is connected with the The installation slot 44 is turned on, the inside of the installation slot 44 is provided with a matching key block 45 that can cooperate with the insertion key slot 43 , and an auxiliary knob 46 is fixedly connected to the upper side of the matching key block 45 , and the auxiliary knob 46 The upper end of the foot box 22 is fixedly connected with a hinge seat 66 , and the lower end of the foot placing box 22 is hinged with the hinge seat 66 .

The upper end of the vertical sliding block 41 is fixedly connected with a connecting shaft, and the upper end of the connecting shaft is fixedly connected with the connecting cylinder 42 , the arc-shaped sliding groove 38 and the vertical sliding groove 39 both provide a moving channel for the connecting shaft, and the matching key block 45 is inserted into the key groove. 43 is inserted into the installation slot 44, and by rotating the auxiliary knob 46, the matching key block 45 does not correspond to the insertion key slot 43, and the foot placement box 22 is convenient for the vertical slider 41 to be connected. Corresponding to the keyway 43, the foot box 22 can be separated from the vertical slider 41, and the leg fixing device can be removed from the upper end of the installation box 67 for independent use, with various functions; Block 14, the upper end of the support block 14 is provided with an arc-shaped groove, the lower end of the lower connecting ring plate 16 on the front side has an arc-shaped structure, and the supporting block 14 cooperates with the lower connecting ring plate 16 on the front side through the groove on the upper end, Used to support leg braces.

The left and right ends of the lower connecting ring plate 16 are respectively provided with inner grooves, the left and right sides of the inner groove are respectively provided with connecting plug plates 23, and the upper ends of the connecting plug plates 23 are respectively connected with the upper connecting ring plate. 15 is fixedly connected, and the lower ends of the connecting inserts 23 are respectively slidingly connected with spring shafts, and the surfaces of the spring shafts are respectively sleeved with push springs 25;

The left and right sides of the inner groove at the right end of the lower connecting ring plate 16 are respectively connected with matching gears 26 in rotation. The connecting plate 23 is fixedly connected; the right side of the matching gear 26 is respectively fixed with a stop ratchet 27 coaxially, and the inner side of the stop ratchet 27 is respectively meshed with a stop ratchet block 28. The movable ratchet blocks 28 are respectively slidably connected to the inner wall of the inner groove, the inner end of the stop ratchet block 28 is slidably connected with a mounting rod 31, and the surface of the mounting rod 31 is sleeved with a return spring 32;

The inner right end of the installation slot 44 is rotatably connected to the rotating plate 30 . The two sides of the surface of the rotating plate 30 are respectively hinged with hinged pull plates 29 , and the outer ends of the hinged pull plates 29 are respectively connected with the stop ratchet block 28 Hinged; a connecting shaft is fixedly connected to the middle of the right end of the rotating plate 30 , the right end of the connecting shaft penetrates the lower connecting ring plate 16 and a control knob 33 is fixedly connected to the right end of the connecting shaft.

As shown in FIGS. 6 , 7 and 8 , when the upper connecting ring plate 15 and the lower connecting ring plate 16 are connected, the connecting insert plate 23 is inside the inner groove, and the upper end of the lower connecting ring plate 16 is provided with the connecting insert plate 23 and The sockets with the same cross-section of the rack 24 are used to insert the connecting board 23 into the inner groove. When the connecting board 23 is inserted into the inner groove, the pushing spring 25 is compressed, and the locking ratchet 27 and the locking ratchet block 28 cooperate with each other. The stop ratchet 27 can only rotate in one direction, that is, when the connecting insert 23 is inserted into the inner groove, the stop ratchet 27 can be driven to rotate in one direction by the engagement of the matching gear 26 and the matching rack 24. Under the action of the tooth block 28, the push spring 25 cannot push the connecting plug plate 23 to move upward. By turning the control knob 33, the rotating plate 30 can be driven to rotate, and under the pulling action of the hinge pull plate 29, the two stop ratchet blocks 28 Move to the outside and squeeze the return spring 32, the stop ratchet block 28 does not restrict the stop ratchet 27, the matching gear 26 can be reversed, and then under the action of the push spring 25, the upper connecting ring plate can be made 15 is disconnected from the lower connecting ring plate 16. With the cooperation of the stop ratchet 27 and the stop ratchet block 28, the upper connecting ring plate 15 can be moved downward in one direction to be connected with the lower connecting ring plate 16, which is convenient for patients. The affected limb is fixed, the operation is simple and convenient, and the fixation effect is strong.

Both sides of the surface of the inner clamping plate 19 are hinged with clamping limit rods 20 respectively, and the clamping limit rods 20 are slidably connected with the upper fixing plate 17 and the lower fixing plate 18 respectively. Clamping screws 21 are hinged to the middle of the surface of the plate 19 respectively, and the clamping screws 21 are respectively connected with the upper fixing plate 17 and the lower fixing plate 18 by screw threads.

By rotating the clamping screw 21, the inner clamping plate 19 can be driven to move inwardly under the action of the screw connection, and the affected limb of the affected limb can be clamped and fixed twice. The tightening limit rods 20 are respectively provided with sliding holes at corresponding positions, and the clamping limit rods 20 are respectively slidably connected with the sliding holes to ensure the stability of the inner clamping plate 19 when moving.

A connection box 34 is fixedly connected to the lower end of the lower connecting ring plate 16 on the rear side, and an extension plate 35 is slidably connected to the inside of the connection box 34. The other end of the extension plate 35 is fixed to the foot placement box 22 Connection; a fixing bolt 36 is threadedly connected to the rear side of the left end of the connection box 34 , and a fixing plate 37 is rotatably connected to the other end of the fixing bolt 36 .

The foot placement box 22 is used to place the patient's feet, and the extension plate 35 is slidably connected with the connection box 34 to extend the position of the foot placement box 22 to increase the scope of application. The extension plate 35 is in contact to brake the extension plate 35, which is convenient to use.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the described specific embodiments or replace them in similar manners, but will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (8)

1. An orthopedic post-operative limb fixation device, comprising a base plate (1), characterized in that: a liftable installation box (67) is installed on the upper end of the base plate (1), and the upper end of the installation box (67) is installed A detachable leg fixing device is provided, and a foot placing box (22) is installed on the rear side of the leg fixing device; the inner upper end of the installation box (67) is installed with a first swing slide that can swing left and right intermittently. A slot plate (40), the inner side of the first swing chute plate (40) is slidably connected with a vertical slider (41) that can move back and forth, and the upper end of the vertical slider (41) is connected to the foot portion The placement box (22) is detachably connected, and when the first swinging chute plate (40) swings left and right, a structure in which the leg fixing device swings intermittently left and right can be formed; the first swinging chute plate A second swing chute plate (69) that can swing left and right intermittently is installed on the lower side of (40), and a second pin shaft is fixedly connected to the lower end of the vertical slider (41). The lower end is slidably connected to the inner side of the second swinging chute plate (69), and when the second swinging chute plate (69) swings left and right, it can constitute a structure in which the foot placing box (22) moves back and forth intermittently ; The leg fixing device includes an upper fixing plate (17) and a lower fixing plate (18), and upper connecting ring plates (15) are hinged on the left and right sides of the upper fixing plate (17) and the lower fixing plate (18), respectively. ) and the lower connecting ring plate (16), the upper connecting ring plate (15) and the lower connecting ring plate (16) are detachably connected, the upper fixing plate (17) and the lower fixing plate (18) The left and right sides of the inner surface are respectively provided with inner clamping plates (19) which can move inward. 2. An orthopedic post-operative limb fixation device according to claim 1, characterized in that: a rotatable active dial (49) is installed on the inner lower side of the installation box (67), and the active dial The left side of (49) is engaged with a matching sheave (50), the matching sheave (50) is rotatably connected to the inner lower end of the installation box (67), and the upper end of the matching sheave (50) is coaxially fixed. There is a drive plate (51), a first pin shaft (52) is fixedly connected to the rear side of the upper end of the drive plate (51), and a swing control plate (47) is rotatably connected to the inside of the installation box (67). The first pin shaft (52) is slidably connected with the swing control plate (47), and when the active dial (49) rotates, a structure in which the swing control plate (47) swings intermittently from side to side can be formed. An incomplete gear (53) is fixedly connected to the front end of the swing control plate (47). 3. An orthopaedic post-operative limb fixation device according to claim 2, characterized in that: the lower front end of the second swing chute plate (69) is fixedly connected to a limit cylinder (57), and the limit The cylinder (57) is rotatably connected to the inside of the installation box (67), the interior of the limiting cylinder (57) is rotatably connected to a limiting shaft (56), and the upper end of the limiting shaft (56) is connected to the first The swing chute plate (40) is fixedly connected, the surface of the limit cylinder (57) is slidably connected with a second driven gear (58) that can move up and down, and the surface of the limit shaft (56) is slidably connected with a movable gear (58). A first driven gear (59) that moves synchronously with the second driven gear (58), and the incomplete gear (53) is located between the first driven gear (59) and the second driven gear Between (58), a fixed gear (54) that can mesh with the first driven gear (59) is fixedly connected inside the installation box (67) on the lower side of the incomplete gear (53). When the first driven gear (59) and the second driven gear (58) move up and down to mesh with the incomplete gear (53) respectively, the first swing chute plate (40) and the The structure of the second swing chute plate (69) intermittently swinging left and right respectively; An arc-shaped slider (55) is rotatably connected to the rear side of the lower end of the first swing chute plate (40), and an arc-shaped slide rail (68) is slidably connected to the surface of the arc-shaped slider (55). The arc-shaped slide rail (68) is fixedly connected inside the installation box (67). 4. An orthopedic post-operative limb fixation device according to claim 3, characterized in that: the front side of the installation box (67) is slidably connected with a connecting frame (60) that can move up and down, and the connecting frame ( 60) The upper and lower ends of the rear side are respectively rotatably connected to the first driven gear (59) and the second driven gear (58), and the front end of the connecting frame (60) is threadedly connected with a control screw (61). ), the control screw (61) is rotatably connected to the front end surface of the installation box (67), the front left side of the connecting frame (60) is fixedly connected with a main indicator key (65), the main indicator key ( 65) A first indication key (62), a neutral key (63) and a second indication key (64) are respectively fixedly connected to the surface of the installation box (67) on the left side from top to bottom. 5. An orthopedic postoperative limb fixation device according to claim 1, characterized in that: the left and right sides of the upper end of the bottom plate (1) are respectively slidably connected with lower support sliders (4), and the two lower The surfaces of the support sliders (4) are respectively hinged with lower support rods (2), and the other ends of the lower support rods (2) are respectively hinged with first adjustment hinge plates (9), the first adjustment hinge plates (9). ) are respectively hinged with a second adjusting hinge plate (10), the other end of the second adjusting hinge plate (10) is hinged with the lower end of the mounting box (67), the lower end of the mounting box (67) is hinged The left and right sides are respectively slidably connected with upper support sliders (5), the surfaces of the two upper support sliders (5) are respectively hinged with upper support rods (3), and the middle part of the surface of the upper support rod (3) is connected to the upper support rod (3). The lower support rod (2) is hinged on the surface, and the other end of the upper support rod (3) is hinged with the surface of the bottom plate (1); An adjustment chute is provided on the surface of the first adjustment hinge plate (9), an adjustment slider (12) is slidably connected to the inside of the adjustment chute, and an inner push rod is hinged to the upper end of the adjustment slider (12). (11), the other end of the inner push rod (11) is hinged with the second adjustment hinge plate (10), the adjustment chute is provided with an adjustment spring (13), and the adjustment spring (13) is Both ends are respectively fixedly connected with the inside of the adjusting chute and the adjusting slider (12); The upper end of the bottom plate (1) is slidably connected with a push plate (7) that can move back and forth, the left and right sides of the push plate (7) are respectively slidably connected with a slide plate (6), and two ends of the slide plate (6) are respectively slidably connected They are respectively fixedly connected to the lower support sliders (4), the middle of the surface of the push plate (7) is threadedly connected with a drive screw (8), and the drive screw (8) is rotatably connected to the bottom plate (1) surface. 6. An orthopaedic post-operative limb fixation device according to claim 3, wherein an arc corresponding to the arc-shaped slide rail (68) is provided on the rear side of the upper end surface of the installation box (67). A vertical chute (39) corresponding to the direction of the first swing chute plate (40) is provided on the surface of the mounting box (67) on the front side of the arc-shaped chute (38). ); A connecting cylinder (42) is fixedly connected to the upper end of the vertical sliding block (41), an installation groove (44) is formed inside the connecting cylinder (42), and an insertion key groove is formed on the upper end of the connecting cylinder (42). (43) and the insertion keyway (43) is connected to the installation slot (44), and a mating key block (45) that can be matched with the insertion keyway (43) is provided inside the installation slot (44). The upper side of the matching key block (45) is fixedly connected with an auxiliary knob (46), the upper end of the auxiliary knob (46) is fixedly connected with a hinge seat (66), and the lower end of the foot placement box (22) It is hinged with the hinge seat (66). 7. An orthopedic post-operative limb fixation device according to claim 6, wherein the left and right ends of the lower connecting ring plate (16) are respectively provided with inner grooves, and the left and right sides of the inner groove are respectively provided with There is a connecting insert plate (23), the upper ends of the connecting insert plate (23) are respectively fixedly connected with the upper connecting ring plate (15), and the lower ends of the connecting insert plate (23) are respectively slidably connected with spring shafts, so The surfaces of the spring shafts are respectively sleeved with push springs (25); A matching gear (26) is rotatably connected to the left and right sides of the inner groove at the right end of the lower connecting ring plate (16), and a matching rack (24) is respectively engaged with the outer side of the matching gear (26). The mating racks (24) are respectively fixedly connected with the adjacent connecting inserts (23); the right sides of the mating gears (26) are respectively coaxially fixed with stop ratchets (27), and the stop ratchets Retaining ratchet blocks (28) are respectively engaged with the inner side of (27), and the locking ratchet blocks (28) are respectively slidably connected to the inner wall of the inner groove. A mounting rod (31) is slidably connected, and a return spring (32) is sleeved on the surface of the mounting rod (31); The inner right end of the installation groove (44) is rotatably connected to the rotating plate (30), the two sides of the surface of the rotating plate (30) are respectively hinged with a hinged pull plate (29), and the outer end of the hinged pull plate (29) are respectively hinged with the stop ratchet blocks (28); a connecting shaft is fixedly connected to the middle of the right end of the rotating plate (30), and the right end of the connecting shaft penetrates the lower connecting ring plate (16) and is connected to the The right end of the shaft is fixedly connected with a control knob (33). 8. An orthopedic postoperative limb fixation device according to claim 1, characterized in that: a connection box (34) is fixedly connected to the lower end of the lower connection ring plate (16) on the rear side, and the connection box ( An extension plate (35) is slidably connected inside the extension plate (34), and the other end of the extension plate (35) is fixedly connected with the foot placement box (22); the left end rear side of the connection box (34) is threadedly connected with a A fixing bolt (36), the other end of the fixing bolt (36) is rotatably connected with a fixing plate (37).

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