CN218391236U - External fixing frame device for fracture reduction - Google Patents

Abstract

The utility model relates to a fracture mount technical field provides an external fixation frame device for fracture resets, including first bone screw bracket component and the second bone screw bracket component that is fixed in femoral shaft both ends respectively, both ends are the first bone screw bracket component of universal connection and the second bone screw bracket component of second respectively and can adjust the connecting rod spare of length, locate on the connecting rod spare and be used for a plurality of location spicules of the position of fracture of fixed femoral shaft to and connect the multidirectional anchor clamps of location bone and connecting rod spare respectively and be used for adjusting the fixed angle of location spicule. The utility model discloses an overcome flexibility with adjustable current external fixation device that resets of fracture is not enough, can adjust the fixed position and the direction of fracture end in a certain extent in a flexible way, reaches accurate counterpoint, reduces the many times dismouting adjustment of spicule and support, has improved the accurate counterpoint efficiency of fracture end, reduces patient's operation wound and shortens operation time.

Description

External fixing frame device for fracture reduction

Technical Field

The utility model relates to a fracture mount technical field, more specifically relates to an external fixation frame device for fracture reduction.

Background

Femoral shaft fracture is one of common wounds in trauma orthopedics, and the treatment requirement of biology on fracture is functional reduction, effective fixation, protection of blood supply of fracture parts and early functional exercise. At present, the fracture fixation mode is divided into two major types, namely external fixation and internal fixation; the external fixation is commonly the plaster external fixation, splint external fixation and external fixation frame made of high polymer materials, wherein the external fixation frame is generally applicable to severe open fracture because the soft tissue of the patients has serious injury, the external fixation frame is penetrated with fixing needles on the skeleton, and then the needles are connected and fixed outside the body surface through a rod, so the fracture can be stabilized, the injured soft tissue can be conveniently treated, and the clinical application proves that the treatment technology greatly improves the healing speed and efficiency of the fractured femoral shaft. Therefore, how to rapidly and effectively achieve ideal restoration of the femoral shaft fracture end becomes a hot topic of the current traumatic orthopedic research.

The traditional external fixation frame device for assisting fracture reduction mainly plays a role in fixing and traction, for example, chinese patent literature discloses an external fixation support for fracture, which comprises a connecting rod and a plurality of spicules, wherein a containing groove is formed in the connecting rod, the spicules are detachably arranged in the containing groove, clamping pieces and adjusting pieces are respectively arranged on the spicules on two sides of the containing groove, the clamping pieces are used for fastening the spicules on the connecting rod, and the adjusting pieces are matched with the clamping pieces to adjust the height of the spicules along the vertical direction of the connecting rod.

But above-mentioned scheme can adjust spicule height and satisfy the fixed requirement at different fracture positions, but adjustable flexibility is poor, fix a position and confirm spicule mounted position carrying out the perspective, install back with spicule and connecting rod, the fracture end is owing to receive fixed tractive, fracture end position and orientation are difficult for reaching the accurate counterpoint of ideal, need reset this moment in the art, perspective and fixed repetitive operation, the perspective number of times of X ray increases, the operating time extension, can increase patient's operation misery and surgical wound, influence the recovery effect of postoperative.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at overcoming current fracture and reset flexibility with adjustable external fixation device not enough, the difficult accurate counterpoint that reaches the ideal leads to in the art need reset, the fixed problem of operating repeatedly, provides an external fixation frame device for fracture resets. The utility model discloses can be in the certain limit nimble fixed angle of regulation and the regular length, satisfy the regulation of fracture end relative position and direction, reach accurate counterpoint, reduce the dismouting adjustment many times of spicule and support, improved the fracture reduction of fracture mount to the accurate counterpoint efficiency of fracture end, reduce patient's operation wound and shorten the operation time.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides an external fixation frame device for fracture reduction, is including being fixed in first nail bracket component and the second nail bracket component at femoral shaft both ends respectively, and both ends are the first nail bracket component of universal connection and the second nail bracket component of second and can adjust the connection member of length respectively, locate on the connection member and be used for a plurality of location spicules of the fracture position of fixed femoral shaft to and connect the location bone respectively and connect the member and be used for adjusting the multidirectional anchor clamps of the fixed angle of location spicule.

It should be noted that, the utility model discloses a use method does: the diagnosis of the fracture condition is carried out through X-rays, the position of the fracture end of the femoral shaft is marked and the alignment condition of the fracture end is known according to the perspective condition, the first bone nail support component and the second bone nail support component are fixed at the position of the femoral head at the two ends of the femoral shaft and the positions near the femoral head at the two ends of the femoral shaft, a support with certain traction and fixing functions is established, the connecting rod piece and the first bone nail support component and the second bone nail support component are fixed in a universal mode, the fracture state of shortening or separation of the fracture end can be applied through swinging and rotation of the connecting rod piece, the shortening or the extension of the fracture end is eliminated through adjusting the angle and the length of the connecting rod piece, and the alignment and the fixation of the fracture end are realized; then according to the fracture end counterpoint condition of perspective this moment, utilize a plurality of location spicules to reset once more and correct the counterpoint, through universal anchor clamps, can select the best fixed angle to fix the location spicule, guarantee the accurate counterpoint and the fixed of fracture end. The utility model discloses an in the use and the operation in-process, can not appear because the precision of the fulcrum affirmation of the fixed bolster at first is not enough, need drill hole again in the operation and adjust the condition of support, the utility model discloses a connecting rod angle in the middle of first bone nail bracket component and the second bone nail bracket component is adjustable, length is adjustable, after the fulcrum of having confirmed both sides, has enough space and length to carry out the secondary adjustment, is convenient for fracture end's counterpoint, has reduced femoral internal fixation repetitive operation and X line perspective number in the art; meanwhile, the angle of the positioning spicule can be adjusted through a multidirectional clamp, the fracture end can be accurately positioned and fixed, the postoperative recovery effect of the fracture reduction operation is improved, the operation time is shortened, and the operation pain of a patient is reduced.

Furthermore, the first bone nail support component comprises an arc-shaped support, a first bone needle and a second bone needle are symmetrically arranged at two ends of the arc-shaped support in a penetrating mode, the universal ball seat is arranged in the middle of the arc-shaped support and provided with a ball-shaped switching cavity, and ball heads matched with the ball-shaped switching cavity of the universal ball seat are arranged at two ends of the connecting rod piece. Like this, two spicules of arc support cooperation can form arc space support, and the regional shape in the vicinity of femoral head is complicated, and the arc space can provide the lower needle space that first spicule and second spicule are more, provides more firm holding power after the fixed, can adapt to complicated femoral head shape better.

Further, universal ball seat includes one end and arc support fixed connection's lower ball seat, can dismantle the last ball seat of being connected with lower ball seat to and wear to establish the first threaded connection spare of ball seat and lower ball seat in proper order, go up the terminal surface that ball seat and lower ball seat are connected and offer the hemisphere type switching chamber that the opening is relative respectively. Like this, after the angle and the length of adjusting connecting rod spare, through ball seat and lower ball seat in the locking of a threaded connection spare, two hemisphere type switching chamber can tightly block connecting rod spare, realize the fixed after the counterpoint adjustment.

Furthermore, a second threaded connecting piece used for abutting and locking the first bone needle and the second bone needle is arranged on the arc-shaped support in a penetrating mode. Like this, first spicule and second spicule can remove in arc support, confirms well drilling depth after, can fix the drilling depth of first spicule and second spicule through second lock spiral shell, improves holistic steadiness.

Further, the structure of the second bone screw bracket component is the same as that of the first bone screw bracket component.

Furthermore, connect the member and include that one end is equipped with the bulb and the other end is equipped with screwed first threaded rod and second threaded rod to and the both ends connect the pole that cup joints of the screw thread end of first threaded rod and second threaded rod respectively, cup joint the inside cavity of pole and both ends be equipped with the screw thread matched with screw thread of first threaded rod and second threaded rod, first bone screw bracket component is connected to the bulb end of first threaded rod, second bone screw bracket component is connected to the bulb end of second threaded rod.

Furthermore, the two ends of the sleeve rod are respectively embedded with a thread sleeve with an inner side wall provided with threads, and the thread ends of the first threaded rod and the second threaded rod are matched with the thread sleeves.

Like this, through the rotary sleeve pole that connects, the thread bush is mutually supported rotatory with first threaded rod and second threaded rod, realizes the length adjustment of integral connection member, simple structure, design benefit, easily operation.

Furthermore, the multidirectional clamp comprises a movable clamp arranged on the connecting rod piece in a clamping mode, a third threaded connecting piece penetrating through the movable clamp, and a bone pin clamp which is in threaded connection with the third threaded connecting piece and can rotate around the axis of the third threaded connecting piece, and one end of the positioning bone pin is fixed in the bone pin clamp. Like this, the locating spicule is held in the spicule clamp, can adjust the angle of penetrating of locating spicule through the rotation, and the activity presss from both sides can adjust the axial position of locating spicule at the connecting rod spare, can lock and relax the activity through third threaded connection spare and press from both sides, realizes position adjustment, satisfies the fracture end counterpoint fine adjustment of each position and angle.

Furthermore, the number of the positioning spicules is two, and the two positioning spicules are respectively clamped on the first threaded rod and the second threaded rod through the two multidirectional fixtures.

Furthermore, one end of the first spicule is provided with a drilling thread, the other end of the first spicule is provided with a clamping part, and the structures of the second spicule and the plurality of positioning spicules are the same as those of the first spicule. Thus, the utility model discloses when using, carry out the tooth of attacking of thighbone through the drilling screw and creep into, realize the fixed of spicule and thighbone, equipment such as tooth motor of can being convenient for attack of clamping part carries out the centre gripping, also is convenient for the centre gripping of spicule clamp to the spicule.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a connecting rod angle in the middle of first bone nail bracket component and the second bone nail bracket component is adjustable, length is adjustable, after the fulcrum of having confirmed both sides, has sufficient space and length to carry out the secondary adjustment, can not appear because the precision of the fulcrum affirmation of the fixed bolster at the beginning is not enough, need drill the condition of adjusting the support again in the operation, and the counterpoint of the fracture end of being convenient for has reduced the internal fixation of femur and has operated repeatedly and X line perspective number of times in the art.

(2) The utility model discloses a location spicule angle also can be adjusted through multidirectional anchor clamps, can carry out accurate location and fixed to the fracture end, has improved the postoperative recovery effect of fracture reduction surgery, shortens the operation time, reduces patient's operation misery.

Drawings

Fig. 1 is a schematic view of the application of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of a first bone screw bracket assembly according to the present invention;

fig. 4 is an exploded view of the present invention;

fig. 5 is a schematic structural view of a first bone pin of the present invention.

The graphic symbols are illustrated as follows:

1-a first bone screw bracket component, 11-an arc bracket, 12-a first bone pin, 121-a drilling thread, 122-a clamping part, 13-a second bone pin, 14-a universal ball seat, 141-a lower ball seat, 142-an upper ball seat, 143-a first threaded connector, 15-a second threaded connector, 2-a second bone screw bracket component, 3-a connecting rod piece, 31-a ball head, 32-a first threaded rod, 33-a second threaded rod, 34-a sleeve rod, 341-a threaded sleeve, 4-a positioning bone pin, 5-a multidirectional clamp, 51-a movable clamp, 52-a third threaded connector and 53-a bone pin clamp.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Example 1

As shown in fig. 1, an external fixation frame device for fracture reduction comprises a first bone nail support assembly 1 and a second bone nail support assembly 2 fixed at two ends of a femoral shaft respectively, a connecting rod member 3 with two ends respectively connected with the first bone nail support assembly 1 and the second bone nail support assembly 2 in a universal manner and capable of adjusting length, a plurality of positioning bone pins 4 arranged on the connecting rod member 3 and used for fixing the position of the fracture end of the femoral shaft, and a multidirectional clamp 5 respectively connected with the positioning bone pins 4 and the connecting rod member 3 and used for adjusting the fixing angle of the positioning bone pins 4.

As shown in fig. 1, the application method of the present embodiment is: the diagnosis of the fracture condition is carried out through X-rays, the position of the fracture end of the femoral shaft is marked and the alignment condition of the fracture end is known according to the perspective condition, the first bone nail bracket component 1 and the second bone nail bracket component 2 are fixed at the position of the femoral head at the two ends of the femoral shaft and the positions near the femoral head at the two ends of the femoral shaft, a bracket with certain traction and fixing functions is established, the connecting rod component 3 and the first bone nail bracket component 1 and the second bone nail bracket component 2 are fixed in a universal manner, the fracture state of the shortened or separated fracture end can be applied through the swinging and rotation of the connecting rod component 3, the shortening or the extension of the fracture end is eliminated through the adjustment of the angle and the length of the connecting rod component 3, and the alignment and the fixation of the fracture end are realized; then according to the fracture end counterpoint condition of perspective this moment, utilize a plurality of location spicules 4 to reset once more and correct the counterpoint, through universal anchor clamps 5, can select the best fixed angle to fix location spicules 4, guarantee the accurate counterpoint and the fixed of fracture end. In the using and operating process, the device of the embodiment can avoid the situation that the support needs to be adjusted by drilling again due to insufficient accuracy of fulcrum confirmation of the initially fixed support in the operation, the angle and the length of the connecting rod piece 3 between the first bone screw support component 1 and the second bone screw support component 2 can be adjusted, and after the fulcrums on two sides are confirmed, enough space and length are provided for secondary adjustment, so that the alignment of fracture ends is facilitated, and the repeated operation of femoral internal fixation and the X-ray perspective times in the operation are reduced; meanwhile, the angle of the positioning spicule 4 can be adjusted through the multidirectional clamp 5, so that the fracture end can be accurately positioned and fixed, the postoperative recovery effect of the fracture reduction operation is improved, the operation time is shortened, and the operation pain of a patient is reduced.

Example 2

As shown in fig. 1, an external fixator apparatus for fracture reduction comprises a first nail support assembly 1 and a second nail support assembly 2 fixed at two ends of a femoral shaft respectively, a connecting rod member 3 with two ends respectively connected with the first nail support assembly 1 and the second nail support assembly 2 in a universal manner and capable of adjusting length, a plurality of positioning bone pins 4 arranged on the connecting rod member 3 and used for fixing the fracture end of the femoral shaft, and a multi-directional fixture 5 connected with the positioning bone pins 4 and the connecting rod member 3 respectively and used for adjusting the fixing angle of the positioning bone pins 4.

As shown in fig. 1, the application method of the present embodiment is: the diagnosis of the fracture condition is carried out through X-rays, the position of the fracture end of the femoral shaft is marked and the alignment condition of the fracture end is known according to the perspective condition, the first bone nail bracket component 1 and the second bone nail bracket component 2 are fixed at the position of the femoral head at the two ends of the femoral shaft and the positions near the femoral head at the two ends of the femoral shaft, a bracket with certain traction and fixing functions is established, the connecting rod component 3 and the first bone nail bracket component 1 and the second bone nail bracket component 2 are fixed in a universal manner, the fracture state of the shortened or separated fracture end can be applied through the swinging and rotation of the connecting rod component 3, the shortening or the extension of the fracture end is eliminated through the adjustment of the angle and the length of the connecting rod component 3, and the alignment and the fixation of the fracture end are realized; then according to the fracture end counterpoint condition of perspective this moment, utilize a plurality of location spicules 4 to reset once more and correct the counterpoint, through universal anchor clamps 5, can select the best fixed angle to fix location spicules 4, guarantee the accurate counterpoint and the fixed of fracture end. In the using and operating process, the device of the embodiment can avoid the situation that the support needs to be adjusted by drilling again due to insufficient accuracy of fulcrum confirmation of the initially fixed support in the operation, the angle and the length of the connecting rod piece 3 between the first bone screw support component 1 and the second bone screw support component 2 can be adjusted, and after the fulcrums on two sides are confirmed, enough space and length are provided for secondary adjustment, so that the alignment of fracture ends is facilitated, and the repeated operation of femoral internal fixation and the X-ray perspective times in the operation are reduced; meanwhile, the angle of the positioning spicule 4 can be adjusted by the multidirectional clamp 5, so that the fracture end can be accurately positioned and fixed, the postoperative recovery effect of the fracture reduction operation is improved, the operation time is shortened, and the operation pain of a patient is reduced.

As shown in fig. 2, the first bone screw bracket assembly 1 includes an arc-shaped bracket 11, a first bone pin 12 and a second bone pin 13 symmetrically disposed at two ends of the arc-shaped bracket 11, and a universal ball seat 14 having a ball-shaped adapting cavity disposed at the middle portion of the arc-shaped bracket 11, wherein two ends of the connecting rod member 3 are provided with ball heads 31 adapted to the ball-shaped adapting cavity of the universal ball seat 14. Like this, arc support 11 cooperates two spicules, can form arc space support, and the regional shape near the femoral head is complicated, and arc space can provide first spicule 12 and the lower needle space of second spicule 13 more, provides more firm holding power after the fixed, can adapt to complicated femoral head shape better.

As shown in fig. 3, the universal ball seat 14 includes a lower ball seat 141 having one end fixedly connected to the arc-shaped bracket 11, an upper ball seat 142 detachably connected to the lower ball seat 141, and a first threaded connection 143 sequentially passing through the upper ball seat 142 and the lower ball seat 141, and hemispherical coupling cavities having opposite openings are respectively formed in end surfaces where the upper ball seat 142 and the lower ball seat 141 are connected. Thus, after the angle and the length of the connecting rod 3 are adjusted, the upper ball seat 142 and the lower ball seat 141 are locked by the first threaded connector 143, and the two hemispherical adapter cavities can be tightly clamped on the connecting rod 3, so that the fixing after the alignment adjustment is realized.

As shown in fig. 3, a second threaded connector 15 for abutting and locking the first bone pin 12 and the second bone pin 13 is further arranged on the arc-shaped bracket 11 in a penetrating manner. Therefore, the first bone pin 12 and the second bone pin 13 can move in the arc-shaped support 11, and after the drilling depth is determined, the drilling depth of the first bone pin 12 and the drilling depth of the second bone pin 13 can be fixed through the second threaded connecting piece 15, so that the overall stability is improved.

In this embodiment, the second bone screw carrier assembly 2 has the same structure as the first bone screw carrier assembly 1.

Example 3

This example is similar to example 2, except that,

as shown in fig. 2 and 4, in the present embodiment: the connecting rod piece 3 comprises a first threaded rod 32 and a second threaded rod 33, wherein one end of the connecting rod piece is provided with a ball head 31, the other end of the connecting rod piece is provided with threads, the two ends of the connecting rod piece are respectively connected with a sleeve rod 34 of the thread end of the first threaded rod 32 and the thread end of the second threaded rod 33, the inner hollow part of the sleeve rod 34 is provided with threads matched with the threads of the first threaded rod 32 and the thread end of the second threaded rod 33, the ball head end of the first threaded rod 32 is connected with a first bone screw support assembly 1, and the ball head end of the second threaded rod 33 is connected with a second bone screw support assembly 2.

As shown in fig. 4, thread sleeves 341 with inner side walls provided with threads are respectively embedded at both ends of the sleeved rod 34, and the thread ends of the first threaded rod 32 and the second threaded rod 33 are matched with the thread sleeves 341.

Like this, through rotatory cover extension rod 34, thread bush 341 and first threaded rod 32 and second threaded rod 33 mutually support rotatoryly, realize the length adjustment of integral connection member, simple structure, design benefit easily operates.

As shown in fig. 4, the multi-directional clamp 5 includes a movable clamp 51 clamped on the connecting rod 3, a third threaded connector 52 penetrating the movable clamp 51, and a spicule clamp 53 threaded onto the third threaded connector 52 and capable of rotating around the axis of the third threaded connector 52, wherein one end of the positioning spicule 4 is fixed in the spicule clamp 53. Like this, the spicule clamp 53 grasps location spicule 4, can adjust the angle of penetration of location spicule 4 through the rotation, and activity clamp 51 can adjust location spicule 4 at the axial position of connecting rod piece 3, can lock and relax activity clamp 51 through third threaded connection 52, realizes the position adjustment, satisfies the fracture end alignment fine adjustment of each position and angle.

As shown in fig. 1, 2 and 4, the number of the positioning spicules 4 is two, and the two positioning spicules 4 are respectively clamped on the first threaded rod 32 and the second threaded rod 33 through the two multi-directional clamps 5.

As shown in fig. 5, one end of the first spicule 12 is provided with a drilling thread 121 and the other end is provided with a clamping part 122, and the second spicule 13 and the plurality of positioning spicules 4 have the same structure as the first spicule 12. Thus, when in use, the drilling thread 121 is used for tapping and drilling the femur to fix the bone needle 12 and the femur, and the clamping part 122 can be used for conveniently clamping equipment such as a tapping motor and the like and also used for conveniently clamping the bone needle 12 by the bone needle clamp 53.

Other structures and principles of this embodiment are the same as those of embodiment 2.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides an external fixation frame device for fracture reduction, its characterized in that, is including being fixed in first nail bracket component (1) and second nail bracket component (2) at femoral shaft both ends respectively, both ends universal connection respectively first nail bracket component (1) and second nail bracket component (2) and connection member (3) that can adjust length locate on connection member (3) and be used for a plurality of location spicules (4) of the position of fracture of fixed femoral shaft, and connect respectively location spicule (4) with connect member (3) and be used for adjusting multidirectional anchor clamps (5) of location spicule (4) fixed angle.

2. The external fixator apparatus for fracture reduction according to claim 1, wherein the first pin support assembly (1) comprises an arc support (11), a first bone pin (12) and a second bone pin (13) symmetrically disposed at both ends of the arc support (11), and a universal ball seat (14) having a spherical adapting cavity disposed at the middle portion of the arc support (11), and ball heads (31) adapted to the spherical adapting cavity of the universal ball seat (14) are disposed at both ends of the connection rod member (3).

3. The external fixator apparatus for fracture reduction according to claim 2, wherein the universal ball seat (14) comprises a lower ball seat (141) having one end fixedly connected to the arc-shaped support (11), an upper ball seat (142) detachably connected to the lower ball seat (141), and a first threaded connection member (143) sequentially passing through the upper ball seat (142) and the lower ball seat (141), and the end surfaces of the upper ball seat (142) and the lower ball seat (141) are respectively provided with hemispherical adapter cavities with opposite openings.

4. The external fixator apparatus for reduction of bone fracture according to claim 3 wherein the arc-shaped support (11) is further provided with a second threaded connector (15) for abutting and locking the first bone needle (12) and the second bone needle (13).

5. An external fixator apparatus for fracture reduction according to any of claims 2 to 4 wherein the second pin holder assembly (2) is of the same configuration as the first pin holder assembly (1).

6. The external fixator apparatus for fracture reduction according to claim 5 wherein said connecting rod (3) comprises a first threaded rod (32) and a second threaded rod (33) having a ball head (31) at one end and a thread at the other end, and a socket rod (34) having two ends respectively connecting the threaded ends of said first threaded rod (32) and said second threaded rod (33), said socket rod (34) being hollow inside and having two ends provided with threads matching the threads of said first threaded rod (32) and said second threaded rod (33), said ball head end of said first threaded rod (32) being connected to said first bone screw support assembly (1), said ball head end of said second threaded rod (33) being connected to said second bone screw support assembly (2).

7. The external fixator apparatus for fracture reduction according to claim 6, wherein two ends of the sleeved rod (34) are respectively embedded with a threaded sleeve (341) with a threaded inner wall, and the threaded ends of the first threaded rod (32) and the second threaded rod (33) are matched with the threaded sleeve (341).

8. The external fixation frame device for fracture reduction according to claim 6, wherein the multi-directional clamp (5) comprises a movable clamp (51) clamped on the connecting rod (3), a third threaded connector (52) penetrating through the movable clamp (51), and a spicule clamp (53) screwed on the third threaded connector (52) and capable of rotating around the axis of the third threaded connector (52), and one end of the positioning spicule (4) is fixed in the spicule clamp (53).

9. External fixator device for reduction of bone fractures according to claim 8, characterized in that said positioning spicules (4) are two in number, two positioning spicules (4) being clamped on said first threaded bar (32) and second threaded bar (33) by two multi-directional clamps (5), respectively.

10. External fixator device for reduction of bone fractures according to claim 5 characterized in that said first spicule (12) is provided with drilling thread (121) at one end and a grip (122) at the other end, said second spicule (13) and several positioning spicules (4) having the same structure as said first spicule (12).

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