CN213722729U

CN213722729U - Ankle joint fixer

Info

Publication number: CN213722729U
Application number: CN202022392482.3U
Authority: CN
Inventors: 刘刚
Original assignee: Shijiazhuang Wandefu Rehabilitation Appliance Technology Co ltd
Current assignee: Shijiazhuang Wandefu Rehabilitation Appliance Technology Co ltd
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-07-20
Anticipated expiration: 2030-10-24

Abstract

The application relates to an ankle joint fixator which comprises an upper side assembly and a lower side assembly, wherein the upper side assembly comprises an adjusting sleeve and an upper branch which are detachably connected; the lower side assembly comprises two pressing plates and an ankle joint adapter plate, the inner walls of two adjacent pressing plates, which are opposite to each other, are respectively abutted against the two end surfaces of the adjusting sleeve, the center positions of the adjusting sleeve and the adjacent pressing plates are jointly penetrated by a pressure rotating shaft, and the positions of the two ends of the pressure rotating shaft, which extend out of the pressing plates, are all in threaded connection with locking nuts; in the different stages of recovered cycle, need finely tune fixed again behind the angle that wounded's shank and foot kept, take off leg correction ware from wearing personnel this moment on one's body, operating personnel rotates the downside subassembly for the upside subassembly and wears again wearing personnel on one's body with the downside subassembly under the auxiliary action of pressure pivot afterwards, and this design has improved fixing device's flexibility, has reached the effect that makes fixing device more convenient adjust according to patient's actual conditions.

Description

Ankle joint fixer

Technical Field

The application relates to the field of ankle joint correction, especially, relate to an ankle joint fixer.

Background

Ankle trauma is a common type of trauma in orthopedic patients, and during the rehabilitation treatment, the lower leg of the injured person needs to be fixed at a certain angle with the foot of the injured person to help the injured person to recover.

In medical treatment, a plaster clamp is often used as a fixing device for the ankle joint part of an injured person, and medical staff need to wrap the ankle joint part of the injured person by using the plaster clamp in the using process.

In view of the above-mentioned related technologies, the applicant believes that the angle between the lower leg and the foot of the injured person needs to be finely adjusted and then fixed again in different stages of the rehabilitation period, but the formed plaster clamp has low flexibility and is inconvenient to adjust according to the actual situation of the patient.

SUMMERY OF THE UTILITY MODEL

In order to improve the flexibility of fixing utensil to make the actual conditions according to the patient that fixing utensil can be more convenient adjust, this application provides an ankle joint fixer.

The application provides an ankle joint fixer adopts following technical scheme:

an ankle joint fixator comprises an upper side assembly and a lower side assembly, wherein the upper side assembly comprises an adjusting sleeve and an upper branch, and the upper branch is detachably connected with the adjusting sleeve; the downside subassembly includes pressure strip and ankle joint keysets, and the pressure strip can be dismantled from the one end of last tributary strip and the ankle joint keysets and be connected, and the pressure strip includes two, and two pressure strips are each other just right, and adjacent pressure strip inner wall just each other respectively with the both ends face looks butt of adjusting collar, and adjusting collar and adjacent pressure strip central point put and run through jointly have the pressure pivot, and the equal threaded connection in position that the pressure pivot both ends stretched out the pressure strip has lock nut.

By adopting the technical scheme, when a wearer wears the ankle joint fixator, the upper support bar is bound at the rear part of the shank of the wearer, the ankle joint adapter plate is bound at the rear part of the foot of the wearer or the rear part of the shoe of the wearer, at the moment, the operator can increase the pressure between the compression plate and the adjusting sleeve by screwing the locking nut, the compression plate and the adjusting sleeve are kept relatively static at the moment, and the upper side component and the lower side component jointly play a role in fixing the ankle of the wearer; in the different stages of recovered cycle, need finely tune fixed once more behind the angle that wounded's shank and foot kept, can take off the shank unscrambler from wearing personnel this moment on one's body, operating personnel can rotate the downside subassembly for upside subassembly under the additional action of pressure pivot afterwards, after rotating suitable angle, operating personnel with the shank unscrambler wear wearing personnel on one's body again can, this design has improved the flexibility of fixing device, and then reached the effect that the actual conditions according to the patient that makes fixing device can be more convenient adjusts.

Optionally, mounting holes are formed in the center positions of the two end faces of the adjusting sleeve, and the inner diameter of each mounting hole is gradually reduced in the process of extending from one end face of the adjusting sleeve to the other end face; the pressure pivot outer wall central point puts fixedly connected with installation axle, and the in-process external diameter that the installation axle extends from self terminal surface to the other terminal surface reduces gradually, and exists morse's taper fit between the outer wall of installation axle and the inner wall of mounting hole.

Through adopting above-mentioned technical scheme, after operating personnel adjusted the compact heap for the angle between the adjusting collar, operating personnel can apply the effort to the installation axle so that installation axle and mounting hole carry out taper fit, and the static friction between installation axle outer wall and the mounting hole inner wall is bigger this moment, consequently when wearing personnel and wearing the ankle joint unscrambler, the installation axle is difficult for rotating for the adjusting collar in the mounting hole, and this design has reached the effect of increase pressure pivot and adjusting collar stability.

Optionally, pressure pivot outer wall fixedly connected with stopper, stopper are provided with two, and two stoppers fixed connection respectively are close to the part of installation axle at pressure pivot circumference lateral wall, and two stoppers are located the both sides of installation axle respectively, and the outer wall profile of stopper is the polygon, and spacing hole has been offered just to the position of mounting hole to adjacent pressure strip, and the profile in spacing hole is the polygon, and the inner wall profile in spacing hole is identical with the outer wall profile of stopper.

By adopting the technical scheme, when an operator adjusts the ankle joint fixator, the movement of the compression plate and the pressure rotating shaft can be more synchronous due to the matching of the limiting hole and the limiting block; when the ankle joint fixer is in a wearing state, the matching of the limiting hole and the limiting block can reduce the slipping and the rotation of the pressure plate relative to the pressure rotating shaft, and further the effect of improving the connection stability of the pressure plate and the pressure rotating shaft is achieved.

Optionally, the outer wall fixedly connected with linking arm of adjusting collar, the fixed slot has been seted up to the lateral wall of linking arm, and the fixed slot extends to the one side that the linking arm deviates from the adjusting collar, goes up the branch and is sliding fit with the fixed slot, and goes up the branch and be connected for dismantling with the linking arm.

By adopting the technical scheme, an operator can tighten the upper support bar on the rear side of the shank, at the moment, one side of the connecting arm, which is provided with the fixing groove, is in contact with the human body, and the upper support bar plays a role in fixing the ankle joint fixator on the shank; the fixed slot helps operating personnel to find the mounted position of last branch on the linking arm accurately, and then has reached the effect that helps the subassembly of more accurate equipment upside.

Optionally, the inner wall that the fixed slot is relative is the arcwall face, and the convex surface of arcwall face deviates from each other, and the upper bracket is just for the arcwall face to the lateral wall of fixed slot arcwall face inner wall, and the arcwall face lateral wall of upper bracket is identical with the arcwall face inner wall profile of fixed slot.

By adopting the technical scheme, when the arc-shaped surface side wall of the upper supporting strip is inosculated with the arc-shaped surface inner wall profile of the fixed groove, the upper supporting strip and the fixed groove can be matched more tightly, so that the design achieves the effect of increasing the stability between the upper supporting strip and the connecting arm.

Optionally, when the connecting arm is in a vertical state, one end of the upper supporting strip, which deviates from the connecting arm, is inclined first and then vertically arranged in the upward extending process, and the inclined direction is the direction facing the side wall of the connecting arm, which is provided with the fixing groove.

Through adopting above-mentioned technical scheme, wearing the in-process of ankle joint fixer, operating personnel can bind last branch and person's shank rear portion mutually, and the bending part design of going up the branch has imitated the bending part of human shank rear portion and ankle junction this moment, accords with human engineering more, has reached the effect that increases person's of wearing shank travelling comfort.

Optionally, the ankle joint adapter plate comprises a vertical section, a bending section and a horizontal section, the vertical section is located in a space where adjacent compression plates are opposite to each other, and the vertical section is detachably connected with the compression plates; the bending section is the setting of buckling, and bending section one end deviates from the one end fixed connection of pressure strip with vertical section, and the bending section deviates from the one end and the horizontal segment fixed connection of vertical section, the extending direction of the vertical section of extending direction perpendicular to of horizontal segment, and horizontal segment and fixed slot are in the same side direction of linking arm.

Through adopting above-mentioned technical scheme, wearing the in-process of ankle joint fixer, operating personnel can be fixed mutually with horizontal segment and the sole of wearing personnel, and the common design of vertical section, bending segment and horizontal segment has imitated the curved part of human ankle rear portion and heel, has reached the effect that increases the travelling comfort of wearing personnel foot.

Optionally, the horizontal segment has seted up the mounting groove towards the side of vertical section, and the direction is seted up along horizontal segment extending direction to the mounting groove, and the mounting groove extends to the terminal surface that the horizontal segment deviates from the bending segment, and fastening screw hole has been seted up towards the tank bottom of vertical section to the mounting groove.

By adopting the technical scheme, the horizontal section is provided with the mounting groove, so that the horizontal section is matched with the sole of a wearer, and meanwhile, the bottom of the mounting groove is provided with the fastening threaded hole, so that the horizontal section is connected with the sole through the bolt, so that the ankle joint adapter plate can be conveniently connected with the shoe of the wearer; on the other hand, when other correction parts need to be installed on the ankle joint adapter plate, the installation groove is provided to help the other correction parts to be connected with the horizontal section, so that the installation groove and the fastening threaded hole are designed to improve the convenience of installing the horizontal section and the other parts.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by designing the ankle joint fixator, the ankle joint fixator comprises an upper side assembly and a lower side assembly, wherein the upper side assembly comprises an adjusting sleeve and an upper supporting strip, the lower side assembly comprises a pressing plate and an ankle joint adapter plate, and the upper side assembly and the lower side assembly jointly play a role in fixing ankles of a wearer; an operator can rotate the lower side component relative to the upper side component under the auxiliary action of the pressure rotating shaft, the design improves the flexibility of the fixing appliance, and the effect that the fixing appliance can be adjusted more conveniently according to the actual condition of a patient is achieved;

2. the central positions of the two end surfaces of the adjusting sleeve are provided with the mounting holes, the inner diameter of each mounting hole is gradually reduced in the process of extending from one end surface of the adjusting sleeve to the other end surface of the adjusting sleeve, and the central position of the outer wall of the pressure rotating shaft is fixedly connected with the mounting shaft matched with the Mohs taper of the mounting holes;

3. through designing the ankle joint keysets for vertical section, buckle section and horizontal segment, at the in-process of wearing the ankle joint fixer, operating personnel can be fixed mutually with horizontal segment and the sole of wearing personnel, and the common design of vertical section, buckle section and horizontal segment has imitated the curved part of human ankle rear portion and heel, has reached the effect that increases the travelling comfort of wearing personnel foot.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of an embodiment of the present application.

Fig. 3 is a sectional view intended to reveal an adjustment sleeve.

Description of reference numerals: 1. an upper side assembly; 11. an adjusting sleeve; 111. a connecting arm; 112. fixing grooves; 113. a first threaded hole; 114. mounting holes; 12. upper branch bars; 121. a second threaded hole; 2. a lower assembly; 21. a compression plate; 211. tightening the plate; 2111. a limiting hole; 212. a connecting plate; 213. a lower tightening plate; 2131. a first locking threaded hole; 22. an ankle joint adapter plate; 221. a vertical section; 2211. a second locking threaded hole; 222. bending the section; 223. a horizontal segment; 2231. mounting grooves; 2232. fastening the threaded hole; 3. a pressure rotating shaft; 31. installing a shaft; 32. a limiting block; 33. and locking the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an ankle joint fixer.

Referring to fig. 1, an ankle joint fixer includes upside subassembly 1 and downside subassembly 2, upside subassembly 1 is normal running fit with downside subassembly 2, when wearing personnel and wearing this ankle joint fixer, operating personnel at first adjusts the angle between upside subassembly 1 and the downside subassembly 2 according to self ankle condition, operating personnel fixes downside subassembly 2 at the shoes of oneself with afterwards, and meanwhile operating personnel binds upside subassembly 1 in the position that is close to the ankle in oneself shank rear side, upside subassembly 1 and downside subassembly 2's cooperation can support and fix wearing personnel's ankle joint this moment.

Referring to fig. 1 and 2, the upper side assembly 1 includes an adjusting sleeve 11 and an upper supporting bar 12, a connecting arm 111 is fixedly connected to a circumferential outer wall of the adjusting sleeve 11, a fixing groove 112 is formed in a side wall of the connecting arm 111, an extending direction of the fixing groove 112 is identical to an extending direction of the connecting arm 111, the fixing groove 112 extends to a surface of the connecting arm 111 away from the adjusting sleeve 11, and the upper supporting bar 12 is slidably connected with the fixing groove 112; the opposite inner walls of the fixed grooves 112 are arc-shaped surfaces, the convex surfaces of the arc-shaped surfaces deviate from each other, the side wall of the upper support 12 opposite to the inner wall of the arc-shaped surface of the fixed groove 112 is also arc-shaped, and the profile of the side wall of the arc-shaped surface of the upper support 12 is matched with that of the inner wall of the arc-shaped surface of the fixed groove 112; when the operator assembles the upper side assembly 1, the operator slides the upper branch 12 into the fixing groove 112 from the side of the connecting arm 111 away from the adjusting sleeve 11.

Referring to fig. 2, when the connecting arm 111 is in a vertical state, two first threaded holes 113 are formed in the vertical groove wall of the opening of the fixing groove 112, the position arrangement of the two first threaded holes 113 is consistent with the extending direction of the fixing groove 112, and second threaded holes 121 are respectively formed in the positions, opposite to the first threaded holes 113, of the side wall of the upper supporting bar 12; after the operator slides the upper supporting bar 12 into the fixing groove 112, the operator continues to apply an acting force to the upper supporting bar 12 to enable the first threaded hole 113 and the second threaded hole 121 to be opposite to each other, and at this time, the operator can connect the upper supporting bar 12 and the connecting arm 111 through a bolt; when the ankle joint fixer is worn by a wearer, one side of the connecting arm 111, which is provided with the fixing groove 112, is attached to the rear part of the upper of the wearer, the part of the upper support 12, which extends out of the fixing groove 112, is bound to the rear part of the lower leg of the wearer, one end of the upper support 12, which deviates from the fixing groove 112, is firstly inclined towards the direction close to the lower leg, and then the end gradually extends upwards along the length direction of the lower leg of the wearer to conform to the ergonomics.

Referring to fig. 2 and 3, a mounting hole 114 is formed in the center of each of the two end faces of the adjusting sleeve 11, and the inner diameter of the mounting hole 114 is gradually reduced in the process of extending from one end face of the adjusting sleeve 11 to the other end face; a pressure rotating shaft 3 is inserted into the mounting hole 114, the central part of the circumferential side wall of the pressure rotating shaft 3 is fixedly connected with a mounting shaft 31, the outer diameter of the mounting shaft 31 is gradually reduced in the process of extending from one end surface to the other end surface, and Morse taper fit exists between the outer wall of the mounting shaft 31 and the inner wall of the mounting hole 114; the circumferential side wall of the pressure rotating shaft 3 is fixedly connected with two limiting blocks 32, the outline of the outer wall of each limiting block 32 is quadrilateral, and the limiting blocks 32 are respectively arranged at the positions, close to the two end faces of the mounting shaft 31, of the circumferential side wall of the pressure rotating shaft 3 in a surrounding manner; the two ends of the pressure rotating shaft 3 extending out of the mounting hole 114 are connected with locking nuts 33 in a threaded manner.

Referring to fig. 1 and 2, the lower side assembly 2 comprises two pressing plates 21 and an ankle joint adapter plate 22, the two pressing plates 21 are opposite to each other, each pressing plate 21 comprises an upper fastening plate 211, a lower fastening plate 213 and a connecting plate 212, two ends of each connecting plate 212 are fixedly connected with one end of each upper fastening plate 211 and one end of each lower fastening plate 213 respectively, each connecting plate 212 is arranged in an inclined manner, and the distance between the adjacent opposite fastening plates 211 is greater than the distance between the adjacent opposite lower fastening plates 213; the inner walls of the adjacent tightening plates 211 which are opposite to each other are respectively abutted with two end faces of the adjusting sleeve 11; a limiting hole 2111 is formed in the position, opposite to the mounting hole 114, of each tightening plate 211, the outline of each limiting hole 2111 is quadrilateral, and the outline of the inner wall of each limiting hole 2111 is matched with the outline of the outer wall of each limiting block 32; in the process of assembling the upper assembly 1 and the lower assembly 2, an operator first needs to make the end with the smaller outer diameter of the mounting shaft 31 opposite to the end with the larger inner diameter of the mounting hole 114 so as to insert the mounting shaft 31 into the mounting hole 114, at this time, the operator places the tightening plates 211 on the two end faces of the adjusting sleeve 11 respectively, during the process of placing the tightening plate 211, the stopper 32 needs to be inserted into the stopper hole 2111, and then the operator pulls the adjustment sleeve 11 and the pressing plate 21 to adjust the angle between the upper assembly 1 and the lower assembly 2, after the upper assembly 1 and the lower assembly 2 are adjusted to a predetermined angle, the operator applies a force to the pressure spindle 3 along the extending direction of the self-rotation axis to make the mounting shaft 31 and the mounting hole 114 in a morse taper fit state, and at this time, the operator respectively mounts the lock nuts 33 at both ends of the pressure spindle 3 to help reduce the sliding of the pressure spindle 3 along the extending direction of the self-rotation axis.

Referring to fig. 2, the ankle joint adapter plate 22 is bent, when the ankle joint fixator is in a wearing state, the ankle joint adapter plate 22 is gradually bent along the direction from the ankle to the heel of a wearer, the ankle joint adapter plate 22 includes a vertical section 221, a bent section 222 and a horizontal section 223, the vertical section 221 is located in a space where adjacent lower fastening plates 213 are opposite to each other, two first locking threaded holes 2131 are formed in the side walls of the lower fastening plates 213 opposite to each other, two second locking threaded holes 2211 are formed in the vertical section 221 at positions opposite to the first locking threaded holes 2131, and the two second locking threaded holes 2211 are distributed on the vertical section 221 along the extending direction of the vertical section 221; when the operator installs the ankle adapter plate 22 and the pressing plate 21, the operator applies a force to the ankle adapter plate 22 to make the second locking screw hole 2211 right opposite to the first locking screw hole 2131, and at this time, the vertical section 221 and the lower fastening plate 213 can be connected by the bolt and the thread.

Referring to fig. 2, the bending section 222 is bent, one end of the bending section 222 is fixedly connected with one end of the vertical section 221 away from the adjusting sleeve 11, one end of the bending section 222 away from the vertical section 221 is fixedly connected with the horizontal section 223, the extending direction of the horizontal section 223 is perpendicular to the extending direction of the vertical section 221, when the horizontal section 223 is horizontally placed, an installation groove 2231 is formed in the upper surface of the horizontal section 223, the installation groove 2231 is formed in the extending direction of the horizontal section 223, the installation groove 2231 extends to the end surface of the horizontal section 223 away from the bending section 222, the inner wall of the installation groove 2231 opposite to the arc surface is an arc surface, the convex surface of the arc surface is away from each other, a fastening threaded hole 2232 is formed in the bottom of the horizontal groove of the installation groove 2231, when a wearer needs to correct his own ankle joint, an operator needs to first form a horizontal opening in the sole of the wearer so that the horizontal section 223 can be inserted into the sole of the wearer, at this moment, the through hole is opened in the position of the sole opposite to the fastening threaded hole 2232 so that the bolt can sequentially penetrate through the through hole from the upper side of the sole and the fastening threaded hole 2232 is connected with the horizontal section 223, at this moment, the horizontal section 223 can be fixed on the sole of a wearer, the bending section 222 is attached to the heel part of the shoe, the vertical section 221 is attached to the rear part of the upper, and the ankle joint adapter plate 22 is fixed to the foot of the wearer.

The implementation principle of the ankle joint fixator in the embodiment of the application is as follows: before the ankle fixer is used, the ankle fixer needs to be assembled firstly, and the specific assembling steps are as follows: an operator firstly inserts the upper branch 12 into the fixing groove 112, and at the moment, the operator fixes the upper branch 12 and the connecting arm 111 through the bolt; then, an operator inserts the mounting shaft 31 into the mounting hole 114, and simultaneously, the operator attaches each compression plate 21 to two end faces of the adjusting sleeve 11 close to the operator, and the operator needs to place the ankle joint adapter plate 22 between the adjacent compression plates 21 and fix the compression plates 21 and the ankle joint adapter plate 22 in the process of attaching the adjacent compression plates 21; the operator rotates the pressing plate 21 to adjust the deflection angle of the ankle joint adapter plate 22 with respect to the upper brace 12, and when the specified angle is adjusted, the operator applies a force along the rotation axis of the mounting shaft 31 to form the morse taper fit between the mounting shaft 31 and the mounting hole 114, and at this time, the operator screws the lock nuts 33 to both ends of the pressure rotating shaft 3 to fasten the mounting of the upper side module 1 and the lower side module 2.

After the ankle fixator is assembled, an operator needs to fix one end of the ankle fixator, which is far away from the pressing plate 21, on the sole of the wearer, and then the operator binds the upper branch 12 with the lower leg of the wearer, and due to the morse taper fit between the mounting shaft 31 and the mounting hole 114, the upper component 1 cannot easily rotate relative to the lower component 2 during the wearing process, and at the moment, the ankle of the injured person is protected and corrected by the upper component 1 and the lower component 2 together.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An ankle joint fixer which is characterized in that: the device comprises an upper side assembly (1) and a lower side assembly (2), wherein the upper side assembly (1) comprises an adjusting sleeve (11) and an upper supporting strip (12), and the upper supporting strip (12) is detachably connected with the adjusting sleeve (11); downside subassembly (2) include pressure strip (21) and ankle joint keysets (22), the one end that pressure strip (12) deviate from in pressure strip (21) can be dismantled with ankle joint keysets (22) and be connected, pressure strip (21) include two, and two pressure strip (21) are just right each other, adjacent pressure strip (21) just right each other inner wall respectively with the both ends face looks butt of adjusting collar (11), adjusting collar (11) and adjacent pressure strip (21) central point put and run through pressure pivot (3) jointly, the equal threaded connection in position that pressure pivot (3) both ends stretched out pressure strip (21) has lock nut (33).

2. An ankle fixator according to claim 1 wherein: mounting holes (114) are formed in the center positions of two end faces of the adjusting sleeve (11), and the inner diameter of each mounting hole (114) is gradually reduced in the process of extending from one end face of the adjusting sleeve (11) to the other end face; the pressure pivot (3) outer wall central point puts fixedly connected with installation axle (31), and installation axle (31) from self terminal surface to the in-process external diameter that another terminal surface extended reduces gradually, and exists morse taper fit between the outer wall of installation axle (31) and the inner wall of mounting hole (114).

3. An ankle fixator according to claim 2 wherein: the outer wall of the pressure rotating shaft (3) is fixedly connected with two limiting blocks (32), the two limiting blocks (32) are respectively and fixedly connected to the part, close to the installation shaft (31), of the circumferential side wall of the pressure rotating shaft (3), and the two limiting blocks (32) are respectively positioned on two sides of the installation shaft (31); the outer wall profile of the limiting block (32) is polygonal, a limiting hole (2111) is formed in the position, opposite to the mounting hole (114), of the adjacent pressing plate (21), the profile of the limiting hole (2111) is polygonal, and the profile of the inner wall of the limiting hole (2111) is matched with the profile of the outer wall of the limiting block (32).

4. An ankle fixator according to claim 1 wherein: outer wall fixedly connected with linking arm (111) of adjusting collar (11), fixed slot (112) have been seted up to the lateral wall of linking arm (111), and fixed slot (112) extend to linking arm (111) and deviate from the one side of adjusting collar (11), go up brace (12) and fixed slot (112) and be sliding fit, and go up brace (12) and linking arm (111) and be connected for dismantling.

5. An ankle fixator according to claim 4 wherein: the inner wall that fixed slot (112) are relative is the arcwall face, and the convex surface of arcwall face deviates from each other, goes up branch (12) and just is the arcwall face to the lateral wall of fixed slot (112) arcwall face inner wall, and goes up the arcwall face lateral wall of branch (12) and the arcwall face inner wall profile of fixed slot (112) identical.

6. An ankle fixator according to claim 4 wherein: when the connecting arm (111) is in a vertical state, one end, deviating from the connecting arm (111), of the upper supporting strip (12) is vertically arranged after being inclined in the upward extending process, and the inclined direction is the direction facing the side wall, provided with the fixing groove (112), of the connecting arm (111).

7. An ankle fixator according to claim 1 wherein: the ankle joint adapter plate (22) comprises a vertical section (221), a bending section (222) and a horizontal section (223), wherein the vertical section (221) is positioned in a space between adjacent compression plates (21) which are opposite to each other, and the vertical section (221) is detachably connected with the compression plates (21); bending section (222) is the setting of buckling, and bending section (222) one end deviates from the one end fixed connection of pressure strip (21) with vertical section (221), and bending section (222) deviates from the one end and horizontal segment (223) fixed connection of vertical section (221), the extending direction of horizontal segment (223) perpendicular to the extending direction of vertical section (221), and horizontal segment (223) and fixed slot (112) are in the same side direction of linking arm (111).

8. An ankle fixator according to claim 7 wherein: mounting groove (2231) have been seted up towards the side of vertical section (221) in horizontal segment (223), and orientation is seted up along horizontal segment (223) extending direction in mounting groove (2231), and mounting groove (2231) extends to the terminal surface that horizontal segment (223) deviate from bending segment (222), and fastening screw hole (2232) have been seted up towards the tank bottom of vertical section (221) in mounting groove (2231).