CN214712738U - Orthopedic external fixation support - Google Patents

Abstract

The application relates to an orthopedic external fixation support, which relates to the field of medical instruments and comprises an installation rod, a first guider and a second guider, wherein the first guider is connected on the installation rod in a sliding manner and is used for fixing a steel needle, the second guider is arranged on the installation rod and is used for fixing the steel needle, the first guider comprises a first adjusting block rotationally connected on the installation rod, one side of the first adjusting block, which is far away from the installation rod, is connected with a second adjusting block in a sliding manner, the sliding track of the second adjusting block is arc-shaped, the arc axis of the second adjusting block is vertical to the axis of the installation rod, one side of the second adjusting block, which is far away from the installation rod, is rotationally connected with a third adjusting block, and the rotating axis of the third adjusting block is vertically arranged, and simultaneously, the sliding arc axis of the second adjusting block is vertical to the axis of the mounting rod, needle holes for the steel needles to pass through are formed in the third adjusting block and the second guider, and the first guider is further provided with a locking bolt. The utility model has the advantages of convenience when can improving adjustment steel needle angle improves the effect of operation efficiency.

Description

Orthopedic external fixation support

Technical Field

The application relates to the field of medical equipment, in particular to an orthopedic external fixation support.

Background

An external fixing bracket, a device for fixing bones. A plurality of steel needles are required to be driven into the skeleton of a patient, and a special bracket is arranged for fixation. The traditional Chinese medicine composition is widely applied to the field of orthopedics, and particularly can embody the advantages of patients with open fracture and poor local soft tissue conditions.

When the fracture is performed, the position between two adjacent broken bones can be dislocated in all directions, after a steel needle is driven into the broken bones, the angle of the steel needle needs to be adjusted so as to enable the position of the fracture to correspond, and then the steel needle with the adjusted position is fixed through the straight rod-shaped external fixing support, so that the effect of fracture reduction is achieved. In view of the above-mentioned related art, the inventor believes that when the angle of the steel needle is adjusted, the adjustment is very inconvenient and the operation efficiency is very low.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience when adjusting the steel needle angle, improve operation efficiency, this application provides an orthopedics external fixation support.

The application provides an orthopedics external fixation support adopts following technical scheme:

the utility model provides an orthopedics external fixation support, is used for carrying out the first director fixed and setting up the second director that is used for fixing the steel needle on the installation pole including installation pole, sliding connection on the installation pole, first director is connected including rotating first regulating block on the installation pole, first regulating block is kept away from one side sliding connection of installation pole has the second regulating block, the slip orbit of second regulating block be circular-arc and its circular arc axis with the axis of installation pole is perpendicular, the second regulating block is kept away from one side of installation pole is rotated and is connected with the third regulating block, the vertical setting of rotation axis of third regulating block, and simultaneously with the gliding circular arc axis of second regulating block and the axis of installation pole perpendicular, on the third regulating block with all set up the pinhole that supplies the steel needle to pass on the second director, still be provided with on the first director and be used for fixing first regulating block is in installation pole upper position, The second adjusting block is arranged on the first adjusting block, and the third adjusting block is arranged on the second adjusting block.

Through adopting above-mentioned technical scheme, during the use, the steel needle of two places of direct fracture is worn respectively and is put in pinhole and pinhole, just can change the distance between first director and the second director through the position of sliding first director on the installation, thereby the both ends skeleton that drives the fracture is close to each other, then the first regulating block of angular rotation as required adjustment, second regulating block and third regulating block, can realize carrying out the regulation of three direction to the steel needle of installing in the pinhole of third regulating block, it is very convenient to adjust, adjust the back that finishes, just can fix first regulating block through the locking bolt, the position of second regulating block and third regulating block, convenience when having improved the regulation steel needle angle greatly, make operation efficiency higher.

Optionally, one side rigid coupling that the second regulating block kept away from first regulating block has first tooth, the third regulating block orientation one side rigid coupling of second regulating block has the second tooth with first tooth meshing.

Through adopting above-mentioned technical scheme, when the third regulating block rotates for the second regulating block, the second tooth also slides on first tooth, after the regulation finishes, can fix the position of third regulating block for the second regulating block through the locking bolt, the second tooth also meshes with first tooth for the fixed position between third regulating block and the second regulating block is more firm, avoids rotating for the second regulating block and influences the fixed of steel needle under the exogenic action third regulating block.

Optionally, the needle holes are arranged in plurality at intervals along the length direction of the mounting rod.

By adopting the technical scheme, the fixing requirements of different numbers of steel needles can be met.

Optionally, the second director is connected including rotating fourth regulating block on the installation pole, the fourth regulating block is kept away from one side sliding connection of installation pole has the fifth regulating block, fifth regulating block slip orbit is circular-arcly, and its circular arc axis with the axis of installation pole is perpendicular, the fifth regulating block is kept away from one side of fourth regulating block is rotated and is connected with the sixth regulating block, the pinhole is seted up on the sixth regulating block.

Through adopting above-mentioned technical scheme, when adjusting first director, also can cooperate the second director of regulation in step, adjust convenient more nimble.

Optionally, the installation pole includes that dead lever, slip cap establish first sleeve pipe and slip cap on the dead lever are established second sleeve pipe on the dead lever, first director cover is established on first sleeve pipe, the second director cover is established on the second sleeve pipe, first sleeve pipe with be provided with first coupling assembling between the dead lever, the second sleeve pipe with be provided with second coupling assembling between the dead lever.

Through adopting above-mentioned technical scheme, through the position of the first sleeve of slip on the dead lever, the position of slip second sleeve on the dead lever just can change the distance between first sleeve and the second sleeve for after fixing the steel needle on the skeleton at fracture both ends through first director and second director, can also adjust the distance of fracture both ends skeleton, the operation is more nimble.

Optionally, first connecting element includes the rigid coupling and is in auxiliary rod, the cover of dead lever one end are established spring and cover on the auxiliary rod are established first solid fixed ring on the auxiliary rod, first solid fixed ring is located the spring is kept away from the one end and the rigid coupling of dead lever are in first sleeve pipe is kept away from second sleeve pipe one end, threaded connection has fixation nut on the auxiliary rod, fixation nut is located first solid fixed ring is kept away from one side of spring, the dead lever with be provided with the restriction between the first sleeve pipe is in pivoted locating part on the dead lever.

Through adopting above-mentioned technical scheme, can realize the connection of first sleeve pipe and fixed rod through first solid fixed ring, can be with first solid fixed ring centre gripping between the two through fixation nut and spring, fixation nut's setting can carry on spacingly to first solid fixed ring, avoid first fixed ring to slide to the direction of keeping away from the fixed rod, first solid fixed ring can butt all the time on fixation nut under the spring force effect, when people move the skeleton activity that drives the fracture, first sleeve pipe will extrude the spring to the motion of second sleeve pipe place direction, thereby play the pressurized effect to the skeleton.

Optionally, the limiting part includes a first limiting bolt screwed on the side wall of the first sleeve, and a limiting groove for embedding the first limiting bolt is formed in the side wall of the fixing rod along the length direction of the fixing rod.

Through adopting above-mentioned technical scheme, through screwing first spacing bolt on first sleeve pipe, and in first spacing bolt embedding spacing groove, just can fix the circumferential position of first sleeve pipe and dead lever, avoid first sleeve pipe to rotate on the dead lever under the exogenic action.

Optionally, the first sleeve is further connected with a first fixing bolt in a threaded manner, a clamping groove for embedding the first fixing bolt is formed in the side wall of the fixing rod along the length direction of the side wall of the fixing rod, and the first fixing bolt abuts against the bottom of the clamping groove.

Through adopting above-mentioned technical scheme, through the tank bottom of first fixing bolt butt at the draw-in groove, just can fix the relative position between first sleeve pipe and the dead lever, avoid first sleeve pipe to slide on the dead lever under the exogenic action.

Optionally, a sliding plate is placed in the clamping groove, and the first fixing bolt abuts against one side, far away from the bottom of the clamping groove, of the sliding plate.

Through adopting above-mentioned technical scheme for after fixing the position between first sleeve pipe and the dead lever through first fixing bolt, when people's motion, first sleeve pipe will drive the slide through first fixing bolt and slide in the draw-in groove.

Optionally, the second connecting assembly comprises a fixing rod which is connected with the bolt, a sleeve and a second fixing ring, wherein the fixing rod is close to one end of the second sleeve, the second fixing ring is arranged on the connecting bolt, the second fixing ring is connected with a limiting nut on the connecting bolt in a threaded mode, the second fixing ring is fixedly connected with the second sleeve, one end of the first sleeve is far away from the second sleeve, and the second fixing ring is located between the limiting nut and the bolt head of the connecting bolt.

Through adopting above-mentioned technical scheme, can fix the solid fixed ring of second between limit nut and connecting bolt's bolt head through limit nut to realize the connection of second sleeve pipe and connecting bolt. The connection of the second sleeve to the fixed rod can be achieved by screwing the connecting bolt on the end of the fixed rod.

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

1. the first adjusting block, the second adjusting block and the third adjusting block are arranged, so that X, Y, Z-direction rotation adjustment can be performed on the steel needle arranged on the third adjusting block after the steel needle is arranged on the third mounting block, the adjustment is more convenient, the convenience in adjusting the angle of the steel needle is greatly improved, and the operation efficiency is improved;

2. the fourth adjusting block, the fifth adjusting block and the sixth adjusting block are arranged, so that bones at two ends of the fracture can be adjusted through the first guider and the second guider, and the adjustment is more flexible;

3. the arrangement of the first sleeve and the second sleeve can adjust the positions of the first sleeve and the second sleeve on the fixed rod according to requirements, so that the length of the mounting rod is adjusted to meet the fixing requirements of different positions;

4. the setting of spring makes when people's activity, will drive first sleeve pipe and slide to second sleeve pipe direction to the extrusion spring makes and to pressurize the stimulation to the skeleton for healing speed, after the pressurization finishes, will drive first sleeve pipe and slide to recover to second sleeve pipe direction under the spring force effect.

Drawings

Fig. 1 is a schematic structural view of the entire present application.

Fig. 2 is a schematic sectional view for embodying the first guide structure.

Fig. 3 is a schematic sectional view for embodying the structure of the mounting bar.

Fig. 4 is an enlarged schematic view at a in fig. 3.

Description of reference numerals: 1. mounting a rod; 11. fixing the rod; 111. a limiting groove; 112. a card slot; 12. a first sleeve; 13. a second sleeve; 14. a first connection assembly; 141. an auxiliary lever; 142. a spring; 143. a first retaining ring; 144. fixing a nut; 15. a second connection assembly; 151. a connecting bolt; 152. a second retaining ring; 153. a limit nut; 154. a second limit bolt; 155. a second fixing bolt; 16. a limiting member; 161. a first limit bolt; 162. a first fixing bolt; 163. a slide plate; 2. a first guide; 21. a first regulating block; 211. a notch; 212. an installation part; 213. a slider; 22. a second regulating block; 221. a chute; 222. a second lock nut; 223. a groove is embedded; 224. mounting a column; 225. a first tooth; 23. a third regulating block; 231. a first block; 232. a second block; 233. a pinhole; 2331. a first groove; 2332. a second groove; 234. a containing groove; 235. a second tooth; 24. locking the bolt; 241. a first locking bolt; 242. a second locking bolt; 243. a third locking bolt; 3. a second guide; 31. a fourth regulating block; 32. a fifth adjusting block; 33. a sixth adjusting block; 4. and (4) a steel needle.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an orthopedic external fixation support. Referring to fig. 1, the orthopedic external fixation support includes a mounting rod 1, a first guide 2 slidably connected to the mounting rod 1 for fixing a steel needle 4, and a second guide 3 slidably connected to the mounting rod 1 for fixing the steel needle 4. The steel needles 4 on the bones at the two ends of the fracture are respectively arranged on the first guider 2 and the second guider 3, and then the positions of the first guider 2 on the installation rod 1 and the positions of the second guider 3 on the installation rod 1 are adjusted, so that the first guider 2 and the second guider 3 can drive the bones at the two ends of the fracture to move through the steel needles 4 connected with the first guider 2 and the second guider 3, and the reduction of the fractured bones is realized.

The first guider 2 comprises a first adjusting block 21, a second adjusting block 22 connected on the first adjusting block 21 in a sliding mode and a third adjusting block 23 connected on the second adjusting block 22 in a rotating mode; the second guide 3 includes a fourth regulating block 31, a fifth regulating block 32 slidably coupled to the fourth regulating block 31, and a sixth regulating block 33 rotatably coupled to the fifth regulating block 32. In the present application, the configuration of the second guide 3 is identical to that of the first guide 2, and the difference is only in the mounting position, and the present application will be described taking the specific configuration of the first guide 2 as an example.

Referring to fig. 1 and 2, a locking bolt 24 is further arranged on the first guide 2, the locking bolt 24 includes a first locking bolt 241 for fixing the position of the first adjusting block 21 on the mounting rod 1, a second locking bolt 242 for fixing the position of the second adjusting block 22 on the first adjusting block 21, and a third locking bolt 243 for fixing the position of the third adjusting block 23 on the second adjusting block 22, a pinhole 233 for mounting the steel needle 4 is provided on the third adjusting block 23, and the steel needle 4 mounted on the third adjusting block 23 can be adjusted by adjusting the first adjusting block 21, the second adjusting block 22, and the third adjusting block 23 at three angles, so that the adjustment is more convenient.

Specifically, first regulating block 21 sliding connection is on installation pole 1, a notch 211 has been seted up to first regulating block 21 one side, notch 211 department of first regulating block 21 outwards turns over the flange and forms installation department 212, first locking bolt 241 wears to establish simultaneously on two installation departments 212 of notch 211 both sides, and first locking bolt 241 and an installation department 212 sliding fit who is close to first locking bolt 241 bolt head, and an installation department 212 threaded connection who keeps away from first locking bolt 241 bolt head, can drive two installation departments 212 and be close to each other or keep away from each other through revolving first locking bolt 241, thereby make first regulating block 21 and installation pole 1 sliding fit or fixed connection. When two installation portions 212 are far away from each other, the distance between the two installation portions 212 is increased, the first adjusting block 21 can be directly operated to slide or rotate on the installation rod 1, so that the angle of the steel needle 4 in the X direction can be adjusted through the second adjusting block 22 and the third adjusting block 23, and the adjustment is very convenient. After the adjustment is finished, the first locking bolt 241 is directly and reversely screwed to enable the two installation parts 212 to be close to each other, so that the position of the first adjusting block 21 on the installation rod 1 can be fixed, and the phenomenon that the first adjusting block 21 moves under the action of external force to cause unstable fixation is avoided.

The second adjusting block 22 is slidably connected to one side of the first adjusting block 21 far away from the mounting portion 212, specifically, a sliding block 213 with a T-shaped cross section is fixedly connected to one side of the first adjusting block 21 far away from the notch 211, the sliding block 213 is integrally arc-shaped, an arc opening of the sliding block faces one side far away from the mounting rod 1, a sliding groove 221 for the sliding block 213 to be embedded and slid is formed in one end of the second adjusting block 22 facing the first adjusting block 21, the length direction of the sliding groove 221 is consistent with the axial direction of the mounting rod 1, the sliding block 213 can slide in the sliding groove 221 by sliding the second adjusting block 22, so that the angle of the steel needle 4 in the Y direction is adjusted by a third adjusting block 23 mounted on the second adjusting block 22, the sliding axis of the second adjusting block 22 is perpendicular to the axial direction of the mounting rod 1, and the axis of the sliding block 213 coincides with the arc-shaped sliding block. The second locking bolt 242 is located on one side of the sliding groove 221, which is far away from the first adjusting block 21, and penetrates through two opposite sides of the second adjusting block 22, the axis direction of the second locking bolt 242 is perpendicular to the axis direction of the mounting rod 1, the second locking bolt 242 is in threaded connection with the second locking nut 222, and an embedding groove 223, which is communicated with the sliding groove 221 and used for embedding the second locking nut 222, is formed in one side of the second adjusting block 22, which faces the second locking nut 222. In a normal state, the second locking bolt 242 is inserted into the second adjusting block 22, and does not affect the sliding of the slider 213 in the sliding groove 221, and after the sliding slider 213 adjusts the angle of the second adjusting block 22, the second locking nut 222 is screwed, and at this time, the second locking nut 222 abuts against the slider 213, so that the relative position between the second adjusting block 22 and the slider 213 is fixed by the second locking bolt 242 and the second locking nut 222.

The third adjusting block 23 is rotatably connected to one side of the second adjusting block 22 far away from the first adjusting block 21, specifically, a cylindrical mounting post 224 is fixedly connected to one side of the second adjusting block 22 facing the third adjusting block 23, an accommodating groove 234 for the mounting post 224 to be embedded into is formed in one end of the third adjusting block 23 facing the second adjusting block 22, the rotation angle of the third adjusting block 23 can be adjusted by operating the third adjusting block 23 to rotate around the mounting post 224, so that the angle of the steel needle 4 mounted on the third adjusting block 23 in the Z direction can be adjusted, and the axis of the mounting post 224 is perpendicular to the rotation axis of the second adjusting block 22 and the rotation axis of the first adjusting block 21. The third locking bolt 243 is located at an end of the third adjusting block 23 away from the second adjusting block 22, penetrates through the third adjusting block 23, is communicated to the accommodating groove 234, is in threaded connection with the mounting post 224, and can lock the third adjusting block 23 by screwing the third locking bolt 243, so that the third adjusting block 23 is prevented from rotating relative to the second adjusting block 22 under the action of external force.

The third adjusting block 23 includes a first block 231 located on a side of the second adjusting block 22 away from the first adjusting block 21 and a second block 232 located on a side of the first block 231 away from the second adjusting block 22, the first block 231 and the second block 232 are both sleeved on the mounting column 224 and fixed by a third locking bolt 243, a plurality of semicircular first grooves 2331 are spaced along a length direction of a side of the first block 231 facing the second block 232, a plurality of semicircular second grooves 2332 are spaced along a length direction of a side of the second block 232 facing the first block 231, and when the first block 231 and the second block 232 are connected together by the mounting column 224 and the third locking bolt 243, each first groove 2331 and each second groove 2332 together form a complete round hole, that is, the above-mentioned pinhole 233 for mounting the steel needle 4. When the needle holder is installed, the steel needle 4 is directly inserted into the needle hole 233 formed by the first and second grooves 2331 and 2332, and then the third locking bolt 243 is screwed, so that the third locking bolt 243 can abut against the second block 232 to move towards the first block 231, and the second block 232 and the first block 231 are clamped between the bolt heads of the second adjusting block 22 and the third locking bolt 243, thereby clamping the steel needle 4 placed in the needle hole 233.

In order to enhance the fixation between the second adjusting block 22 and the third adjusting block 23, a first tooth 225 is fixedly connected to one side of the second adjusting block 22 facing the third adjusting block 23, a second tooth 235 meshed with the first tooth 225 is fixedly connected to one side of the first block 231 facing the second adjusting block 22, and when the third adjusting block 23 is fixed by the third locking bolt 243, the first tooth 225 and the second tooth 235 are meshed, so that the third adjusting block 23 is prevented from rotating relative to the second adjusting block 22 under the action of external force, and the fixation of bones is affected.

The steel needle 4 installed in the needle hole 233 can be adjusted in three directions by adjusting the position of the first adjusting block 21 on the installation rod 1, the position of the second adjusting block 22 relative to the first adjusting block 21 and the position of the third adjusting block 23 relative to the second adjusting block 22 until the fractured bone is adjusted to the original position, so that the adjustment is more convenient and flexible.

The first guider 2 and the second guider 3 can simultaneously adjust the bones on two sides of the fracture, and the adjustment is more convenient and labor-saving.

Referring to fig. 1 and 3, the installation rod 1 includes a fixing rod 11, a first sleeve 12 slidably fitted over the fixing rod 11, and a second sleeve 13 slidably fitted over the fixing rod 11, wherein the first sleeve 12 and the second sleeve 13 are respectively located at two ends of the fixing rod 11. A first connecting assembly 14 is arranged between the first sleeve 12 and the fixing rod 11, a second connecting assembly 15 is arranged between the second sleeve 13 and the fixing rod 11, and the first sleeve 12 and the fixing rod 11 and the second sleeve 13 and the fixing rod 11 can be connected and matched through the first connecting assembly 14 and the second connecting assembly 15, so that the overall length of the mounting rod 1 can be adjusted. Wherein the first guide 2 is slidably connected to the first sleeve 12 and the second guide 3 is slidably connected to the second sleeve 13.

Referring to fig. 3 and 4, the first connecting assembly 14 includes an auxiliary rod 141 fixedly connected to one end of the fixing rod 11, a spring 142 sleeved on the auxiliary rod 141, and a first fixing ring 143 fixedly connected to one end of the first sleeve 12 far from the second sleeve 13, the first fixing ring 143 is sleeved on the auxiliary rod 141 and located at one end of the spring 142 far from the fixing rod 11, a fixing nut 144 is threadedly connected to the auxiliary rod 141, the fixing nut 144 is located at one side of the first fixing ring 143 far from the spring 142, and a limiting member 16 for limiting the rotation of the first sleeve 12 on the fixing rod 11 is further disposed between the fixing rod 11 and the first sleeve 12. The first sleeve 12 can be fixed between the fixing nut 144 and the spring 142 by the first fixing ring 143, and the first fixing ring 143 can be pushed to abut against the fixing nut 144 all the time by the elastic force of the spring 142, so as to fix the position of the first sleeve 12 on the fixing rod 11. The spring 142 is arranged so that when a person moves, the first fixing ring 143 can be driven to press the spring 142, so as to drive the first sleeve 12 to slide on the fixing rod 11, so that bones at two positions of the fracture can be relatively close to each other to contact with each other, thereby exerting a pressurizing effect and enabling the fracture to recover more quickly.

The limiting member 16 includes a first limiting bolt 161 screwed to the sidewall of the first sleeve 12, and a limiting groove 111 for the first limiting bolt 161 to be embedded into is formed in the sidewall of the fixing rod 11 along the length direction of the sidewall, so that the circumferential position of the first sleeve 12 can be fixed by screwing the first limiting bolt 161 into the limiting groove 111, and circumferential rotation of the first sleeve 12 under the action of external force is avoided, thereby affecting the fixation of bones.

The side wall of the first sleeve 12 is further connected with a first fixing bolt 162 in a threaded manner, the side wall of the fixing rod 11 is provided with a clamping groove 112 along the length direction of the side wall, the first fixing bolt 162 can be abutted against the bottom of the clamping groove 112 when the first fixing bolt 162 is screwed, and therefore the relative position of the first sleeve 12 and the fixing rod 11 is fixed. In order to avoid that the first fixing ring 143 cannot extrude the spring 142 and drive the first sleeve 12 to slide under the action of an external force when the position between the first sleeve 12 and the fixing rod 11 is fixed by the first fixing bolt 162, a sliding plate 163 is disposed in the slot 112, and when the first fixing bolt 162 is screwed, the first fixing bolt 162 abuts against one side of the sliding plate 163 away from the bottom of the slot 112. When people move, when the force of the movement is large, the first fixing ring 143 extrudes the spring 142 and drives the first sleeve 12 to slide on the fixing rod 11, at the moment, the sliding plate 163 also slides in the clamping groove 112, and the force for driving the first sleeve 12 to slide can be changed by adjusting the force of the first fixing bolt 162 abutting against the sliding plate 163, so that when the position of the first sleeve 12 is fixed, two bones at the fracture position can be driven to relatively press when the force of the movement of people is larger than a set value, and the recovery of the bones is promoted.

Referring to fig. 3, the second connection assembly 15 includes a connection bolt 151 screwed to one end of the fixing rod 11 away from the auxiliary rod 141 and a second fixing ring 152 fixedly connected to one end of the second sleeve 13 away from the first sleeve 12, the second fixing ring 152 is slidably sleeved on the connection bolt 151, a limit nut 153 is further screwed on the connection bolt 151, the limit nut 153 is located on one side of the second fixing ring 152 away from the bolt head of the connection bolt 151 and can slide in the inner hole of the second sleeve 13, so that the second fixing ring 152 is fixed between the limit nut 153 and the bolt head of the connection bolt 151. The fixing of the second sleeve 13 and the fixing rod 11 can be achieved by the connecting bolt 151, and by adjusting the position of the connecting bolt 151 screwed into the fixing rod 11, the position of the second sleeve 13 relative to the fixing rod 11 can be changed, changing the length of the mounting rod 1. Meanwhile, a second limiting bolt 154 is connected to the side wall of the second sleeve 13 in a threaded manner, and the second limiting bolt 154 is also located in the limiting groove 111 so as to fix the circumferential position of the second sleeve 13, thereby avoiding that the second sleeve 13 rotates relatively under the action of external force to influence the fixation of bones.

Still threaded connection has second fixing bolt 155 on the second sleeve 13 outer wall, and second fixing bolt 155 also supports on the slide 163 in the draw-in groove 112 to fix the position of slide 163, avoid slide 163 only to fix through first fixing bolt 162 and make slide 163 tip take place the perk, influence slide 163 and slide in draw-in groove 112.

The application principle of the orthopedic external fixation support in the embodiment of the application is as follows: when in use, the positions of the first sleeve 12 and the second sleeve 13 on the fixing rod 11 are firstly adjusted according to requirements. And the positions of the first and second casings 12 and 13 are fixed by the first and second fixing bolts 162 and 155. Then, the steel needles 4 on the bones at the two ends of the fracture are respectively arranged in the needle holes 233 of the first guider 2 and the second guider 3 in a penetrating way, and the first guider 2 and the second guider 3 are adjusted to adjust the steel needles 4 in three directions, so that the bones at the two sides of the fracture are reset. The angle of the steel needle 4 can be adjusted conveniently, and the operation efficiency is greatly improved. When people do daily activities, the first fixing ring 143 drives the first sleeve 12 to move towards the second sleeve 13, and at this time, the first fixing ring 143 extrudes the spring 142 and drives the sliding plate 163 to slide in the slot 112. The first sleeve 12 will bring the bone fixed on the first sleeve 12 close to the bone fixed on the second sleeve 13, so that the two bones touch each other to apply pressure, thereby promoting the recovery of the bones.

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 (10)

1. An orthopedic external fixation support is characterized in that: comprises an installation rod (1), a first guider (2) which is connected on the installation rod (1) in a sliding way and is used for fixing a steel needle (4) and a second guider (3) which is arranged on the installation rod (1) and is used for fixing the steel needle (4), wherein the first guider (2) comprises a first adjusting block (21) which is connected on the installation rod (1) in a rotating way, one side of the first adjusting block (21) far away from the installation rod (1) is connected with a second adjusting block (22) in a sliding way, the sliding track of the second adjusting block (22) is circular arc-shaped, the circular arc axis of the second adjusting block is vertical to the axis of the installation rod (1), one side of the second adjusting block (22) far away from the installation rod (1) is connected with a third adjusting block (23) in a rotating way, the rotating axis of the third adjusting block (23) is vertically arranged, and is vertical to the sliding circular arc axis of the second adjusting block (22) and the axis of the installation rod (1), last and all set up pinhole (233) that supply steel needle (4) to pass on second director (3) on third regulating block (23), still be provided with on first director (2) and be used for fixing first regulating block (21) position, second regulating block (22) position on first regulating block (21), locking bolt (24) of third regulating block (23) position on second regulating block (22) on installation pole (1).

2. The orthopedic external fixation support of claim 1, wherein: second regulating block (22) are kept away from one side rigid coupling of first regulating block (21) has first tooth (225), third regulating block (23) orientation one side rigid coupling of second regulating block (22) have with first tooth (225) meshing second tooth (235).

3. The orthopedic external fixation support of claim 1, wherein: the pinholes (233) are all arranged along the length direction of the mounting rod (1) at intervals.

4. The orthopedic external fixation support of claim 1, wherein: second director (3) are connected including rotating fourth regulating block (31) on installation pole (1), fourth regulating block (31) are kept away from one side sliding connection of installation pole (1) has fifth regulating block (32), fifth regulating block (32) slip orbit is circular-arcly, and its circular arc axis with the axis of installation pole (1) is perpendicular, keep away from fifth regulating block (32) one side of fourth regulating block (31) is rotated and is connected with sixth regulating block (33), pinhole (233) are seted up on sixth regulating block (33).

5. The orthopedic external fixation support of claim 1, wherein: installation pole (1) is established including dead lever (11), slip cover first sleeve pipe (12) and slip cover on dead lever (11) are established second sleeve pipe (13) on dead lever (11), first director (2) cover is established on first sleeve pipe (12), second director (3) cover is established on second sleeve pipe (13), first sleeve pipe (12) with be provided with first coupling assembling (14) between dead lever (11), second sleeve pipe (13) with be provided with second coupling assembling (15) between dead lever (11).

6. The orthopedic external fixation support of claim 5, wherein: first connecting element (14) include the rigid coupling be in auxiliary rod (141), the cover of dead lever (11) one end are established spring (142) and cover on auxiliary rod (141) are established first solid fixed ring (143) on auxiliary rod (141), first solid fixed ring (143) are located spring (142) is kept away from the one end and the rigid coupling of dead lever (11) are in first sleeve pipe (12) are kept away from second sleeve pipe (13) one end, threaded connection has fixation nut (144) on auxiliary rod (141), fixation nut (144) are located first solid fixed ring (143) are kept away from one side of spring (142), dead lever (11) with be provided with the restriction between first sleeve pipe (12) are in pivoted locating part (16) on dead lever (11).

7. The orthopedic external fixation support of claim 6, wherein: the limiting part (16) comprises a first limiting bolt (161) in threaded connection with the side wall of the first sleeve (12), and a limiting groove (111) for the first limiting bolt (161) to be embedded into is formed in the side wall of the fixing rod (11) along the length direction of the fixing rod.

8. The orthopedic external fixation support of claim 6, wherein: still threaded connection has first fixing bolt (162) on first sleeve pipe (12), offer along its length direction on the dead lever (11) lateral wall and supply draw-in groove (112) of first fixing bolt (162) embedding, first fixing bolt (162) butt is in the tank bottom of draw-in groove (112).

9. The orthopedic external fixation support of claim 8, wherein: a sliding plate (163) is placed in the clamping groove (112), and the first fixing bolt (162) abuts against one side, far away from the bottom of the clamping groove (112), of the sliding plate (163).

10. The orthopedic external fixation support of claim 5, wherein: the second connecting assembly (15) comprises a fixing rod (11) which is in threaded connection and close to a connecting bolt (151) at one end of the second sleeve (13), a sleeve is arranged on a second fixing ring (152) on the connecting bolt (151) and a limiting nut (153) which is in threaded connection on the connecting bolt (151), the second fixing ring (152) is fixedly connected to the second sleeve (13) which is far away from one end of the first sleeve (12) and is located between the limiting nut (153) and a bolt head of the connecting bolt (151).

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