CN111529167A - Ankle bone reduction fixing device and method - Google Patents

Abstract

The invention provides an ankle bone repositioning and fixing device and method. The device includes an L-shaped box body, and the L-shaped box body is provided with a boot-shaped channel formed by a vertical boot tube portion and a horizontally placed foot portion. Both the upper end and the left side of the barrel portion are open, the left opening of the vertical shoe barrel portion is detachably connected with a sealing pressure plate, a plurality of annular locking airbags with notches are arranged in the vertical shoe barrel portion, and the The top and bottom are respectively distributed with a plurality of upper reset retractable parts and a lower reset retractable part. After the multiple upper reset retractable parts are stretched to different degrees, they can press down on multiple areas of the instep. The left and right parts of the horizontal foot are respectively provided with left and right limit telescopic parts to prevent the foot from moving left and right in the horizontal foot part. The advantage of the present invention is that it can automatically and accurately restore and fix the sprained and dislocated ankle bone.

Description

A kind of ankle bone reduction and fixation device and method

technical field

The invention belongs to the field of orthopedic medical aids, and in particular relates to a device and method for repositioning and fixing a foot and ankle bone

Background technique

In orthopedics, ankle sprains and dislocations are more common. They are usually caused by outdoor strenuous exercise. Once it occurs, the dislocated bones must be corrected in the hospital by an experienced professional doctor. After the correction is completed, bandages are used for effective fixation. , and then recover after a period of recuperation. However, it requires a high degree of professional experience of the doctor, and requires the doctor to completely and accurately reset the dislocated bone manually and then fix it. There should not be too much disturbance during the fixation process, otherwise it is easy to cause secondary dislocation and lead to difficult healing or healing. Poor after effect.

SUMMARY OF THE INVENTION

The present invention provides an ankle bone repositioning and fixing device and method, aiming at overcoming the deficiencies in the prior art that the repositioning of the ankle bone basically completely relies on the doctor's personal experience for operation and slight secondary dislocation is easy to occur when the bandage is wrapped.

The technical solutions of the present invention to solve the above-mentioned technical problems are as follows: a foot and ankle bone repositioning and fixing device, which comprises an L-shaped box body, and the L-shaped box body is provided with a vertical boot tube part and a horizontally placed foot part connected to each other. A shoe-shaped channel, the upper end and the left side of the vertical shoe barrel portion are open, the left opening of the vertical shoe barrel portion is detachably connected with a sealing pressure plate, and the vertical shoe barrel portion is provided with several belts The annular locking airbag of the gap, the top and bottom of the horizontal foot are respectively distributed with a plurality of upper reset and retractable parts and a lower reset and retractable part, and a plurality of the upper reset and retractable parts can be stretched to different degrees and can be pressed down Tighten multiple areas of the instep, a plurality of the lower reset retractable parts can be stretched to different degrees and can push up against multiple areas of the sole of the foot. The left limit telescopic piece and the right limit telescopic piece move left and right in the foot part.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, the left side of the sealing pressure plate is hinged with the left side of the rear side of the L-shaped box body, and the right side of the sealing pressure plate and the right side of the rear side of the L-shaped box body are detachably connected by several hand-tightening bolts.

The beneficial effect of adopting the above-mentioned further scheme is that the opening and locking and fixing of the sealing pressing plate are facilitated.

Further, in the L-shaped box body, an arc-shaped transition surface is provided on the upper side of the connection between the vertical boot portion and the horizontal foot portion, and a first limiting airbag is provided at the arc-shaped transition surface.

Further, the lower part of the inner side surface of the sealing pressing plate is provided with a second limiting airbag for pressing against the heel.

The beneficial effect of adopting the above-mentioned further solution is that both the first and second limiting airbags can better fix the calf and the foot in the boot-shaped channel and avoid displacement of the foot in the boot-shaped channel.

Further, the front part of the horizontally positioned foot is also provided with a front limit extension piece.

The beneficial effect of adopting the above-mentioned further scheme is that the adaptability of the device and the fixing effect on the feet are better, and it is suitable for the fixing of feet of different sizes.

Further, the left limit telescopic piece, the right limit telescopic piece and the front limit telescopic piece have the same structure, and are respectively composed of an electric push rod and a limit plate connected to the telescopic end of the electric push rod.

The beneficial effect of adopting the above-mentioned further scheme is that it can be controlled electrically, saves labor and has a good automation effect.

Further, the upper reset telescopic piece and the lower reset telescopic piece have the same structure, and they are both linear servo push rods.

The beneficial effect of adopting the above-mentioned further scheme is that the linear servo push rod is adopted, which is small in size and can be automatically controlled, with good controllability of the elongation degree and high precision.

Further, the upper reset retractable parts and the lower reset retractable parts are arranged in multiple rows in the front-rear direction, and the number of the upper reset retractable parts and the lower reset retractable parts corresponding to each row is two or more.

The beneficial effect of adopting the above-mentioned further solution is that it is convenient to press or lift up different positions of the foot, and the reset ability and effect are enhanced.

Further, the L-shaped box body is made of hard plastic or stainless steel.

The beneficial effect of adopting the above-mentioned further scheme is that it is convenient to install and fix each air bag, reset the telescopic piece and the limit telescopic piece.

In addition, the present invention also provides a method for repositioning and fixing the ankle bone using the above-mentioned device, which includes the following steps: first, perform CT scanning on the patient's ankle bone to obtain all the original data required for its three-dimensional reconstruction and process it by a computer The first three-dimensional image can be used by doctors for diagnosis, and the second three-dimensional image of the above-mentioned device is constructed by using three-dimensional software. Then, the three-dimensional image one and the three-dimensional image two are matched and assembled using the three-dimensional software to simulate the sprain and dislocation of the ankle bone. At the same time, it also determines the accuracy of the expansion and contraction of the left limit expansion piece and the right limit expansion piece at this time, and records the corresponding data information. Then open the sealing platen, insert the lower leg and foot of the patient into the boot-shaped channel of the device, fix the sealing platen, and then first extend the left limit telescopic piece and the right limit telescopic piece to the above-mentioned accuracy, and then The annular locking airbag is inflated and locked, and finally, each upper reduction and reduction piece and the lower reduction reduction piece are gradually adjusted according to the recorded data information to complete the reduction and fixation of the ankle bone.

Compared with the prior art, the beneficial effects of the present invention are:

It can automatically and accurately reduce and fix the sprained and dislocated ankle bones without relying on the personal experience and manual operation of the orthopaedic surgeon, and does not require the use of bandages. Good practical value.

Description of drawings

Fig. 1 is the front schematic diagram of a kind of ankle bone repositioning and fixing device provided by the present invention;

FIG. 2 is a schematic top view of the device shown in FIG. 1 .

In the accompanying drawings, the list of components represented by each number is as follows:

1. Vertical shoe barrel; 2. Horizontal foot; 3. Sealing plate; 4. Annular locking airbag; 5. Upper reset retractable part; 6. Lower reset retractable part; 7. Left limit retractable part; 8. Right limit telescopic piece; 9. Screw the bolt by hand; 10. The first limit air bag; 11. The second limit air bag; 12. The front limit telescopic piece.

Detailed ways

The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples are only used to explain the present invention, but not to limit the scope of the present invention.

In the description of the present invention, if terms such as "upper", "lower", "left", "right", "top", "bottom", "inner" and "outer" are used to indicate orientation, the The orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operation, and therefore should not be construed as a limitation of the present invention.

As shown in Figures 1 and 2, the present invention provides an ankle bone repositioning and fixing device, which includes an L-shaped box body, and the L-shaped box body is provided with a vertical boot part 1 and a horizontal foot part 2 communicating with each other. The upper end and the left side of the vertical boot portion 1 are open, and the left opening of the vertical boot portion 1 is detachably connected with a sealing pressure plate 3. The vertical boot portion 1 is provided with a number of annular locking airbags 4 with notches, the top and bottom of the horizontal foot part 2 are respectively distributed with a plurality of upper reset retractable parts 5 and lower reset retractable parts 6, a plurality of the upper reset retractable parts After the member 5 is stretched to different degrees, it can press down on multiple areas of the instep, and after a plurality of the lower reset and retractable members 6 are stretched to different degrees, they can press up against multiple areas on the sole of the foot. The left part of the horizontally placed foot 2 and the right part are respectively provided with a left limit telescopic part 7 and a right limit telescopic part 8 which prevent the foot from moving left and right in the horizontal foot part 2 .

It should be noted that the upper and left openings of the vertical shoe barrel are for the convenience of the patient to wear and use the device. When in use, the feet are translated from the left side of the device to the right and extended into the shoe-shaped channel of the L-shaped box; the ring lock The tightening airbags are preferably arranged as three upper, middle and lower parts, and each annular locking airbag is communicated with the inflation and deflation device. In addition, the L-shaped box body can also open some ventilation and observation holes on the left and right sides and the top of the horizontally placed foot to avoid covering the feet and to facilitate the observation of whether there is any adverse situation after the feet are initially fixed (such as the blood vessels being compressed too tightly). Wait).

In an embodiment of the present invention, the left side of the sealing pressing plate 3 is hinged with the left side of the rear side of the L-shaped box body, and the right side of the sealing pressing plate 3 passes through the right side of the rear side of the L-shaped box body Several hand-tightened bolts 9 are detachably connected.

It should be noted that the detachable connection between the sealing platen and the L-shaped box body is not limited to the above one, and the left and right sides can be connected by hand-tight bolts, or one side is hinged, and the other side is provided with a locking latch structure, etc. , any detachable connection that can be easily operated by those skilled in the art is applicable to this.

In an embodiment of the present invention, an arc-shaped transition surface is provided on the upper side of the connection between the vertical shoe portion 1 and the horizontal foot portion 2 in the L-shaped box, and a first limit is provided at the arc-shaped transition surface. Position airbag 10.

It should be noted that the first limiting airbag is preferably an ellipsoid shape, which can obliquely press the physiological bend on the upper side of the connection between the foot and the lower leg after being inflated to enhance the fixation of the foot and the lower leg in the boot-shaped channel.

In an embodiment of the present invention, the lower part of the inner side surface of the sealing pressing plate 3 is provided with a second limiting airbag 11 for pressing against the heel.

In an embodiment of the present invention, the front part of the horizontal foot portion 2 is further provided with a front limit extension member 12 .

In one embodiment of the present invention, the left limit telescopic member 7 , the right limit telescopic member 8 and the front limit telescopic member 12 have the same structure, and are extended and retracted by an electric push rod and connected to the electric push rod respectively. End limit plate composition.

In an embodiment of the present invention, the upper reset retractable member 5 and the lower reset retractable member 6 have the same structure, and are both linear servo push rods.

It should be noted that, for the linear servo push rod used in the present invention, reference may be made to the RM-SLA-08 product produced by Zengguang Intelligent Technology Co., Ltd.

In one embodiment of the present invention, the upper reset retractable member 5 and the lower reset retractable member 6 are arranged in multiple rows in the front-rear direction, and each row corresponds to the upper reset retractable member 5 and the lower reset retractable member 6 The number is more than 2.

In an embodiment of the present invention, the L-shaped box body is made of hard plastic or stainless steel.

It should be noted that the preferred rigid plastics are polypropylene or polycarbonate.

In addition, the present invention also provides a method for repositioning and fixing the ankle bone using the above-mentioned device, which includes the following steps: first, perform CT scanning on the patient's ankle bone to obtain all the original data required for its three-dimensional reconstruction and process it by a computer The first three-dimensional image can be used by doctors for diagnosis, and the second three-dimensional image of the above-mentioned device is constructed by using three-dimensional software. Then, the three-dimensional image one and the three-dimensional image two are matched and assembled using the three-dimensional software to simulate the sprain and dislocation of the ankle bone. At the same time, it also determines the accuracy of the expansion and contraction of the left limit expansion part 7 and the right limit expansion part 8 at this time, and records the corresponding data information, then open the sealing platen 3, insert the lower leg and foot of the patient into the boot-shaped channel of the device, fix the sealing platen 3, and then first extend the left limit telescopic piece 7 and the right limit telescopic piece 8 to With the above-mentioned accuracy, the annular locking airbag 4 is inflated and locked, and finally, the upper reduction and lower reduction pieces are gradually adjusted according to the recorded data information to complete the ankle bone reduction and fixation.

It should be noted that the above-mentioned reset and fixation method does not exclude the manual reset operation of experienced doctors. After the doctor manually initializes the dislocation of the patient's ankle bone, the patient's foot can be slowly inserted into the device of the present invention without bandage fixation. In the device, the accurate telescopic degree data of the upper and lower reset telescopic pieces recorded in the above steps are used to adjust the telescopic adjustment of each of the upper and lower reset telescopic pieces to complete the final accurate reset and fixation. Each of the upper and lower reset retractable parts and the left and right limit retractable parts can be electrically connected with a controller, and the controller and the computer equipped with three-dimensional software are also connected by signals.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (10)

1. The utility model provides an ankle bone fixing device that resets, its characterized in that, includes L shape box body, the boots form passageway that forms by vertical boots section of thick bamboo portion (1) and horizontal foot placement portion (2) intercommunication is equipped with in the L shape box body, the upper end and the equal opening in left side of vertical boots section of thick bamboo portion (1), the left side opening part of vertical boots section of thick bamboo portion (1) can be dismantled and be connected with seal pressing plate (3), be equipped with a plurality of annular locking gasbag (4) of taking the breach in vertical boots section of thick bamboo portion (1), the top and the bottom of horizontal foot placement portion (2) distribute respectively have a plurality of telescoping piece (5) that reset on and telescoping piece (6) that reset down, a plurality of regions of sole can upwards jack up after telescoping piece (6) different degrees extension that reset down, the left part and the right part of horizontal foot placement portion (2) still are equipped with respectively and prevent that the foot is in move about in horizontal foot placement portion (2) move about A movable left limit expansion piece (7) and a right limit expansion piece (8).

2. The ankle bone reduction and fixation device according to claim 1, wherein the left side of the sealing pressure plate (3) is hinged to the left side of the rear side of the L-shaped box body, and the right side of the sealing pressure plate (3) is detachably connected to the right side of the rear side of the L-shaped box body through a plurality of hand-screwed bolts (9).

3. The ankle bone reduction and fixation device according to claim 1, wherein an arc-shaped transition surface is arranged on the upper side of the connection part of the vertical boot part (1) and the horizontal foot part (2) in the L-shaped box body, and a first limit air bag (10) is arranged on the arc-shaped transition surface.

4. The ankle bone reduction and fixation device according to claim 3, wherein a second limit air bag (11) for tightly supporting the heel is arranged at the lower part of the inner side surface of the sealing pressure plate (3).

5. The ankle bone reduction and fixation device according to claim 1, wherein the front part of the horizontal foot part (2) is further provided with a front limit expansion piece (12).

6. The ankle bone reduction and fixation device according to claim 5, wherein the left limit expansion piece (7), the right limit expansion piece (8) and the front limit expansion piece (12) have the same structure and are respectively composed of an electric push rod and a limit plate connected to the expansion end of the electric push rod.

7. The ankle bone reduction fixture according to any one of claims 1 to 6, wherein the upper reduction telescope (5) and the lower reduction telescope (6) are identical in structure and are each a linear servo rod.

8. The ankle bone reduction and fixation device according to claim 7, wherein the upper reduction expansion part (5) and the lower reduction expansion part (6) are arranged in a plurality of rows in the front-back direction, and the number of the upper reduction expansion part (5) and the lower reduction expansion part (6) in each row is more than 2.

9. The ankle bone reduction fixation device of claim 7, wherein the L-shaped box is made of rigid plastic or stainless steel.

10. A method of ankle bone reduction fixation using the device of any one of claims 1 to 9, comprising the steps of: firstly, CT scanning is carried out on the ankle bone of a patient to obtain all original data required by three-dimensional reconstruction of the ankle bone of the patient, the original data are processed into a first three-dimensional image for diagnosis of a doctor by a computer, meanwhile, three-dimensional software is used for constructing a second three-dimensional image of the device according to any one of claims 1 to 9, then, the first three-dimensional image and the second three-dimensional image are matched and assembled by the three-dimensional software, the accurate degree of extension of each upper reset telescopic part (5) and each lower reset telescopic part (6) when the dislocation part of the ankle bone is completely reset is simulated, the accurate degree of extension of the left limit telescopic part (7) and the right limit telescopic part (8) at the moment is also determined, corresponding data information is recorded, then, the sealing pressing plate (3) is opened, the lower part of the shank and the foot of the patient are extended into a boot-shaped channel of the device, the sealing pressing plate (3) is fixed, and then, the left limit telescopic part (7, and then the annular locking air bag (4) is inflated and locked, and finally the upper reduction gentleman piece and the lower reduction gentleman piece are gradually adjusted according to the recorded data information to complete the ankle bone reduction and fixation.

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