CN117159084A - Fine tuning osteotomy module - Google Patents

Abstract

The invention provides a fine-tuning osteotomy module, and belongs to the technical field of medical appliances. The invention provides a fine-tuning osteotomy module which comprises an upper osteotomy plate, a middle adjusting piece and a lower fixing plate, wherein the upper osteotomy plate and the lower fixing plate are oppositely arranged, an osteotomy groove penetrating through the front side wall and the rear side wall of the upper osteotomy plate is formed in the upper osteotomy plate, the osteotomy groove is parallel to the plate surface of the upper osteotomy plate, a fixing pinhole penetrating through the front side wall and the rear side wall of the lower fixing plate is formed in the lower fixing plate, the fixing pinhole is parallel to the plate surface of the lower fixing plate, a plurality of groups of middle adjusting pieces are arranged between the upper osteotomy plate and the lower fixing plate, the plurality of groups of middle adjusting pieces are used for adjusting the distance and the angle between the upper osteotomy plate and the lower fixing plate in a combined mode, and the plurality of groups of middle adjusting pieces are independently adjusted. The fine-tuning osteotomy module provided by the invention has the advantages that the adjustment of multiple angle distances of the upper osteotomy plate relative to the lower fixing plate is realized by multiple groups of intermediate adjusting pieces.

Description

Fine tuning osteotomy module

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a fine-tuning osteotomy module.

Background

The knee joint is one of the most complex joints of the human body and is also an important bearing joint of the lower limbs of the human body. Due to accidents, bad exercise habits, diseases and the like, knee joints of many patients have different degrees of injury, and life is very inconvenient. Wherein, the knee joint function of partial patients can be restored through knee joint replacement surgery. The knee joint replacement operation can be used for relieving knee joint pain, correcting knee joint deformity and improving knee joint function, in the operation process, the accuracy of the front condyle osteotomy quantity is very important, especially, the anterior condyle osteotomy quantity is high, fracture is easily caused if more osteotomies are cut, ligament looseness can be caused when buckling is caused if fewer osteotomies are cut, the patient experiences poor feeling, the knee joint operation tool plays a very critical role on the operation effect, in the operation process, an osteotomy plate is often used for assistance, osteotomy instruments such as a bone saw enter an osteotomy groove arranged on the osteotomy plate to cut and grind bones, but the traditional osteotomy plate cannot be subjected to up-down fine adjustment after being positioned, so that the position of the osteotomy plate is not easy to adjust according to actual conditions, the phenomenon of osteotomy inaccuracy appears in the operation, and adverse effects can be produced on the operation effect.

Disclosure of Invention

The invention aims to provide a fine-tuning osteotomy module, which aims to solve the problem that the osteotomy is inaccurate in operation because fine tuning cannot be performed after the osteotomy plate is positioned.

In order to achieve the above purpose, the invention adopts the following technical scheme: there is provided a fine osteotomy module, comprising: go up osteotomy plate, middle regulating part and lower fixed plate, go up osteotomy plate with lower fixed plate sets up relatively, be provided with on the osteotomy plate and run through the osteotomy groove that its front and back lateral wall set up, the osteotomy groove is on a parallel with the face setting of last osteotomy plate, be provided with on the lower fixed plate and run through its front and back lateral wall set up the fixed pinhole, the fixed pinhole is on a parallel with the face setting of lower fixed plate, the multiunit middle regulating part sets up on osteotomy plate with between the fixed plate down, the multiunit middle regulating part combined action is used for adjusting go up osteotomy plate with distance and angle between the fixed plate down, multiunit adjust alone between the middle regulating part.

In one possible implementation manner, the middle adjusting pieces are provided with three groups, the three groups of middle adjusting pieces are respectively arranged at three corners of the upper osteotomy plate, and the three groups of middle adjusting pieces are arranged in a right triangle.

In one possible implementation manner, the middle adjusting piece includes an adjusting screw, an upper universal ring and a lower universal ring, the adjusting screw sequentially penetrates through the upper osteotomy plate and the lower fixing plate, the upper universal ring is arranged between the adjusting screw and the upper osteotomy plate, and the lower universal ring is arranged between the adjusting screw and the lower fixing plate.

In one possible implementation manner, the outer side wall of the upper universal ring is a spherical surface, an upper universal hole is formed in the upper osteotomy plate, the inner wall of the upper universal hole is matched with the outer wall of the upper universal ring, the upper universal ring is rotatably arranged in the upper universal hole, and the adjusting screw penetrates through the upper universal ring and is in threaded connection with the upper universal ring.

In one possible implementation, the side wall of the upper gimbal is provided with a side opening.

In one possible implementation manner, the lower end of the adjusting screw is provided with a universal ball part, the diameter of the upper end of the universal ball part is smaller than the diameter of the middle part of the universal ball part, the diameter of the lower end of the universal ball part is smaller than the diameter of the middle part of the universal ball part, a lower universal hole is formed in the lower fixing plate, and the universal ball part is rotatably arranged in the lower universal hole.

In one possible implementation manner, the lower universal ring is sleeved at the lower end of the universal ball part, the universal ball part is rotatably arranged in the lower universal ring, the lower universal ring is arranged in the lower universal hole, a limit bolt is arranged between the outer side wall of the lower universal ring and the inner side wall of the lower universal hole, and a bolt groove suitable for the penetration of the limit bolt is formed between the outer side wall of the lower universal ring and the inner side wall of the lower universal hole.

In one possible implementation manner, the lower universal hole includes an upper ball groove and a lower limit groove which are arranged from top to bottom, the upper ball groove is matched with the upper end of the universal ball part, the lower universal ring is arranged in the lower limit groove, and the lower end of the inner side wall of the upper ball groove is coincident with the upper end of the inner side wall of the lower universal ring.

In one possible implementation manner, a rotating screw cap is disposed at the upper end of the adjusting screw, a screw cap groove suitable for the upper end of the adjusting screw to penetrate is disposed at the lower end of the rotating screw cap, a fixing rod is disposed on the rotating screw cap, and penetrates through the side wall of the rotating screw cap and the adjusting screw to fix the adjusting screw in the screw cap groove.

In one possible implementation manner, the fixing pinholes are provided with three groups, including a left fixing hole, a middle fixing hole and a right fixing hole, the middle fixing hole is arranged on the axis of the lower fixing plate, the left fixing hole and the right fixing hole are respectively symmetrically arranged on two sides of the middle fixing hole, and the distance between the left fixing hole and the middle fixing hole gradually increases along with gradually approaching to the rear side wall of the lower fixing plate.

The fine-tuning osteotomy module provided by the invention has the beneficial effects that:

compared with the prior art, be provided with and cut bone lamella, middle regulating part and lower fixed plate, be provided with on the upper bone lamella and cut bone groove, cut bone groove and be suitable for bone saw etc. and cut bone instrument and get into, cut bone groove runs through the front and back lateral wall setting of upper bone lamella, cut bone groove and the face parallel of upper bone lamella, be provided with fixed pinhole on the lower fixed plate, fixed pinhole is parallel with the face of lower fixed plate, be convenient for the penetration of fixed needle, fix the device on patient's health, middle regulating part sets up on cut bone lamella with between the lower fixed plate, middle regulating part is provided with the multiunit, through the regulation to middle regulating part, change the upper bone lamella of this middle regulating part department and the distance between the lower fixed plate, adjust by one, can carry out the regulation of angle and distance between upper bone lamella and the lower fixed plate, and then realize the position and the regulation of angle of cut bone groove, improve the accuracy of cutting bone appearing in the operation, promote the operation effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a fine adjustment osteotomy module according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a fine adjustment osteotomy module according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an exploded view of a fine osteotomy module according to an embodiment of the present invention;

fig. 4 is a schematic vertical sectional structure of a fine adjustment osteotomy module according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of an exploded construction of an intermediate adjustment member employed in an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a lower fixing plate according to an embodiment of the present invention;

FIG. 7 is a schematic view showing a cross-sectional structure of a lower fixing plate in a horizontal direction according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of an upper osteotomy plate with a stop pin of a fine adjustment osteotomy module provided by an embodiment of the invention.

In the figure: 1. an upper osteotomy plate; 2. an intermediate adjusting member; 3. a lower fixing plate; 4. osteotomy groove; 5. a fixed rod; 6. adjusting a screw; 7. an upper universal ring; 8. an upper universal hole; 9. a side opening; 10. a lower gimbal ring; 11. a universal ball section; 12. a limit bolt; 13. a ball feeding groove; 14. a lower limit groove; 15. rotating the nut; 16. a left fixing hole; 17. a middle fixing hole; 18. a right fixing hole; 19. a first bolt half slot; 20. a second bolt half slot; 21. left and right limit bolts; 22. front and rear limit bolts.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Referring to fig. 1 to 7, a specific embodiment of a fine adjustment osteotomy module provided by the present invention will now be described, including an upper osteotomy plate 1, a middle adjusting member 2 and a lower fixing plate 3, wherein the upper osteotomy plate 1 and the lower fixing plate 3 are disposed opposite to each other, an osteotomy groove 4 extending through front and rear side walls of the upper osteotomy plate 1 is disposed on the upper osteotomy plate 1, the osteotomy groove 4 is disposed parallel to a plate surface of the upper osteotomy plate 1, a fixing pinhole extending through front and rear side walls of the lower fixing plate 3 is disposed on the lower fixing plate 3, a plurality of groups of middle adjusting members 2 are disposed between the upper osteotomy plate 1 and the lower fixing plate 3, and a plurality of groups of middle adjusting members 2 cooperate to adjust a distance and an angle between the upper osteotomy plate 1 and the lower fixing plate 3, and a plurality of groups of middle adjusting members 2 are independently adjusted.

Compared with the prior art, the fine-tuning osteotomy module provided by the invention is provided with the upper osteotomy plate 1, the middle adjusting piece 2 and the lower fixing plate 3, wherein the upper osteotomy plate 1 is provided with the osteotomy groove 4, the osteotomy groove 4 is suitable for osteotomy instruments such as a bone saw, the osteotomy groove 4 penetrates through the front side wall and the rear side wall of the upper osteotomy plate 1, the osteotomy groove 4 is parallel to the plate surface of the upper osteotomy plate 1, the lower fixing plate 3 is provided with the fixing needle hole, the fixing needle hole is parallel to the plate surface of the lower fixing plate 3, the device is conveniently penetrated by a fixing needle, the device is fixed on a patient body, the middle adjusting piece 2 is arranged between the upper osteotomy plate 1 and the lower fixing plate 3, the middle adjusting piece 2 is provided with a plurality of groups, the distance between the upper osteotomy plate 1 and the lower fixing plate 3 at the middle adjusting piece 2 is changed through adjusting the middle adjusting piece 2, the adjustment of the angle and the distance between the upper osteotomy plate 1 and the lower fixing plate 3 is carried out one by one, the adjustment of the middle adjusting piece 2 is carried out, the position and the angle of the osteotomy groove 4 are conveniently adjusted, the surgical effect is improved, and the osteotomy accuracy appears.

Specifically, please refer to fig. 1 to 7, including last osteotomy plate 1, middle regulating member 2 and lower fixed plate 3, go up osteotomy plate 1 and the relative setting of lower fixed plate 3, go up osteotomy plate 1 and set up in the top of lower fixed plate 3, middle regulating member 2 sets up between last osteotomy plate 1 and lower fixed plate 3, be provided with osteotomy groove 4 on last osteotomy plate 1, osteotomy groove 4 runs through the front and back lateral wall of last osteotomy plate 1, the front and back lateral wall length of last osteotomy plate 1 is greater than the left and right side wall of last osteotomy plate 1, osteotomy groove 4 sets up on the axis of last osteotomy plate 1 horizontal direction, osteotomy groove 4 is parallel with the up end of last osteotomy plate 1, be provided with the fixed pinhole on lower fixed plate 3, the front and back lateral wall of fixed pinhole is greater than the left and right lateral wall of lower fixed plate 3, the fixed pinhole sets up on the axis of lower fixed plate 3 horizontal direction, the fixed pinhole is parallel with lower fixed plate 3 of last osteotomy plate 1, the multiunit fixed plate 1 is provided with the pinhole, the angle between the regulating member 2 and the fixed plate 1 is cut in the position of setting up and is adjusted to the position, can be realized with the fixed position between the fixed plate 1 and the fixed plate 1, and the position is adjusted accurately, the position between the regulating member and the lower regulating member is cut 1 and the position is cut in the position and the position is adjusted.

As a specific embodiment of a fine-tuning osteotomy module provided by the present invention, referring to fig. 1 to 7, three sets of intermediate adjusting members 2 are provided, the three sets of intermediate adjusting members 2 are respectively disposed at three corners of the upper osteotomy plate 1, and the three sets of intermediate adjusting members 2 are arranged in a right triangle.

Specifically, referring to fig. 1 to 7, the middle adjusting members 2 are provided with three groups, the three groups of middle adjusting members 2 can determine the position of the upper osteotomy plate 1, the position of the upper osteotomy plate 1 is more stable, the upper osteotomy plate 1 comprises four corners, the three groups of middle adjusting members 2 are respectively arranged at the three corners of the upper osteotomy plate 1, and the axes of the three groups of middle adjusting members 2 are arranged in a right triangle, so that the stability of the device is further improved.

As a specific embodiment of a fine adjustment osteotomy module provided by the present invention, referring to fig. 1 to 7, the middle adjusting member 2 includes an adjusting screw 6, an upper universal ring 7 and a lower universal ring 10, wherein the adjusting screw 6 is sequentially disposed through the upper osteotomy plate 1 and the lower fixing plate 3, the upper universal ring 7 is disposed between the adjusting screw 6 and the upper osteotomy plate 1, and the lower universal ring 10 is disposed between the adjusting screw 6 and the lower fixing plate 3.

Specifically, referring to fig. 1 to 7, the middle adjusting member 2 includes an adjusting screw 6, an upper universal ring 7 and a lower universal ring 10, the upper end of the adjusting screw 6 penetrates through the upper osteotomy plate 1, the lower end of the adjusting screw 6 penetrates through the lower fixing plate 3, the upper universal ring 7 is sleeved at the upper end of the adjusting screw 6 and is arranged between the adjusting screw 6 and the upper osteotomy plate 1, the upper end of the adjusting screw 6 penetrates through the upper osteotomy plate 1 and is in universal connection with the lower universal ring 10, the lower end of the adjusting screw 10 is sleeved at the lower end of the adjusting screw 6 and is arranged between the adjusting screw 6 and the lower fixing plate 3, the lower end of the adjusting screw 6 penetrates through the lower fixing plate 3, the adjustment of the middle adjusting member 2 is facilitated, and then the adjustment of the angle and the distance between the upper osteotomy plate 1 and the lower fixing plate 3 is realized.

As a specific embodiment of the fine adjustment osteotomy module provided by the invention, referring to fig. 1 to 5, the outer side wall of the upper universal ring 7 is spherical, the upper osteotomy plate 1 is provided with an upper universal hole 8, the inner wall of the upper universal hole 8 is matched with the outer wall of the upper universal ring 7, the upper universal ring 7 is rotatably arranged in the upper universal hole 8, and the adjusting screw 6 penetrates through the upper universal ring 7 and is in threaded connection with the upper universal ring 7.

Specifically, please refer to fig. 1 to 5, the outer side wall of the upper universal ring 7 is a spherical surface, the diameter of the middle part of the upper universal ring 7 is larger than the diameter of the upper end surface of the upper universal ring 7, the diameter of the middle part of the upper universal ring 7 is larger than the diameter of the lower end surface of the upper universal ring 7, an upper universal hole 8 matched with the outer wall of the upper universal ring 7 is formed in the upper universal hole 8, the upper universal ring 7 is prevented from falling out of the upper universal hole 8, the upper universal ring 7 is sleeved at the upper end of the adjusting screw 6, the adjusting screw 6 is in threaded connection with the upper universal ring 7, the adjusting screw 6 is rotated, the position of the upper universal ring 7 on the adjusting screw 6 is changed, the adjustment of the distance between the upper osteotomy plate 1 and the lower fixing plate 3 is realized, the angle between the adjusting screw 6 and the upper osteotomy plate 1 is changed by the setting of the upper universal ring 7, and the angle between the upper osteotomy plate 1 and the lower fixing plate 3 is convenient to adjust.

As a specific embodiment of the fine tuning osteotomy module provided in the present invention, referring to fig. 3 to 5, a side opening 9 is provided on a side wall of the upper gimbal 7.

Specifically, referring to fig. 3 to 5, the side wall of the upper gimbal ring 7 is provided with a side opening 9, and the side opening 9 penetrates through the side wall of the upper gimbal ring 7, so that the upper gimbal ring 7 is conveniently installed in the upper gimbal hole 8 by pressing the side wall of the upper gimbal ring 7.

As a specific embodiment of the fine-tuning osteotomy module provided by the invention, referring to fig. 1 to 7, a universal ball portion 11 is disposed at the lower end of the adjusting screw 6, the diameter of the upper end of the universal ball portion 11 is smaller than the diameter of the middle portion of the universal ball portion 11, the diameter of the lower end of the universal ball portion 11 is smaller than the diameter of the middle portion of the universal ball portion 11, a lower universal hole is disposed on the lower fixing plate 3, and the universal ball portion 11 is rotatably disposed in the lower universal hole.

Specifically, please refer to fig. 1 to 7, the lower end of the adjusting screw 6 is provided with a universal ball portion 11, the diameter of the middle portion of the universal ball portion 11 is larger than the diameter of the upper end face of the universal ball portion 11, the diameter of the middle portion of the universal ball portion 11 is larger than the diameter of the lower end face of the universal ball portion 11, the lower fixing plate 3 is provided with a lower universal hole, the universal ball portion 11 is rotatably arranged in the lower universal hole, the angle between the adjusting screw 6 and the lower fixing plate 3 is changed due to the arrangement of the universal ball portion 11, and the angle between the upper osteotomy plate 1 and the lower fixing plate 3 is conveniently adjusted.

As a specific embodiment of the fine-tuning osteotomy module provided by the invention, referring to fig. 1 to 7, a lower universal ring 10 is sleeved at the lower end of a universal ball portion 11, the universal ball portion 11 is rotatably arranged in the lower universal ring 10, the lower universal ring 10 is arranged in a lower universal hole, a limit bolt 12 is arranged between the outer side wall of the lower universal ring 10 and the inner side wall of the lower universal hole, and a bolt slot suitable for the penetration of the limit bolt 12 is formed between the outer side wall of the lower universal ring 10 and the inner side wall of the lower universal hole.

Specifically, referring to fig. 1 to 7, a lower gimbal ring 10 is sleeved at the lower end of a gimbal ball 11, the lower gimbal ring 10 is disposed in a lower gimbal hole, the gimbal ball 11 is rotatably disposed in the lower gimbal ring 10, a limit bolt 12 is disposed between the lower gimbal ring 10 and the lower gimbal hole, a first bolt half groove 19 is disposed on an outer sidewall of the lower gimbal ring 10, a second bolt half groove 20 is disposed on an inner sidewall of the lower gimbal hole, the first bolt half groove 19 and the second bolt half groove 20 are closed to obtain a bolt groove, the bolt groove is disposed parallel to an axis of the lower gimbal ring 10, the limit bolt 12 is in threaded connection with the bolt groove, and the limit bolt 12 penetrates from the lower end of the bolt groove to limit the lower gimbal ring 10 in the lower gimbal hole.

As a specific embodiment of a fine-tuning osteotomy module provided in the present invention, referring to fig. 1 to 7, the lower universal hole includes an upper ball groove 13 and a lower limit groove 14 arranged from top to bottom, the upper ball groove 13 is matched with the upper end of the universal ball 11, the lower universal ring 10 is arranged in the lower limit groove 14, and the lower end of the inner sidewall of the upper ball groove 13 is overlapped with the upper end of the inner sidewall of the lower universal ring 10.

Specifically, please refer to fig. 1 to 7, the lower universal hole includes an upper ball groove 13 and a lower limit groove 14, the upper ball groove 13 is communicated with the lower limit groove 14, and is disposed at the upper end of the lower limit groove 14, the lower universal ring 10 is disposed in the lower limit groove 14, the upper end of the universal ball 11 is matched with the inner wall of the upper ball groove 13, the lower end of the inner wall of the upper ball groove 13 is overlapped with the upper end of the inner wall of the lower universal ring 10, the lower end of the inner wall of the upper ball groove 13 is the maximum diameter of the universal ball 11 in the horizontal direction, the inner wall of the upper ball groove 13 extends downwards to the inner wall of the lower universal ring 10, the universal ball 11 is rotatably disposed in the inner wall of the upper ball groove 13 and the inner wall of the lower universal ring 10, the angle between the adjusting screw 6 and the lower fixing plate 3 is changed conveniently, the angle between the upper bone cutting plate 1 and the lower fixing plate 3 is adjusted conveniently, the lower universal ring 10 can be removed from the lower fixing plate 3 by removing the limit bolt 12, and the adjusting screw 3 can be removed conveniently from the lower fixing plate 3.

As a specific embodiment of the fine adjustment osteotomy module provided by the invention, referring to fig. 1 to 5, a rotary screw cap 15 is disposed at the upper end of the adjusting screw rod 6, a screw cap groove adapted to be penetrated by the upper end of the adjusting screw rod 6 is disposed at the lower end of the rotary screw cap 15, a fixing rod 5 is disposed on the rotary screw cap 15, and the fixing rod 5 penetrates through the side wall of the rotary screw cap 15 and the adjusting screw rod 6 to fix the adjusting screw rod 6 in the screw cap groove.

Specifically, please refer to fig. 1 to 5, the upper end of the adjusting screw rod 6 is provided with a rotary screw cap 15 which is convenient for rotating the adjusting screw rod 6, the lower end of the rotary screw cap 15 is provided with a screw cap groove, the upper end of the adjusting screw rod 6 penetrates into the screw cap groove, the fixing rod 5 sequentially penetrates through the side wall of the rotary screw cap 15, the adjusting screw rod 6 and the side wall of the rotary screw cap 15, the adjusting screw rod 6 is fixed in the screw cap groove, the disassembly and the installation of the rotary screw cap 15 are convenient, the disassembly of the adjusting screw rod 6 is further carried out, and the maintenance of the device is convenient.

As a specific embodiment of a fine-tuning osteotomy module provided by the present invention, referring to fig. 1 to 4, 6 and 7, three groups of fixing pinholes are provided, including a left fixing hole 16, a middle fixing hole 17 and a right fixing hole 18, the middle fixing hole 17 is disposed on the axis of the lower fixing plate 3, the left fixing hole 16 and the right fixing hole 18 are symmetrically disposed at two sides of the middle fixing hole 17, respectively, and the distance between the left fixing hole 16 and the middle fixing hole 17 gradually increases as approaching the rear sidewall of the lower fixing plate 3.

Specifically, referring to fig. 1 to 4, 6 and 7, three sets of fixing pinholes are provided, namely a left fixing hole 16, a middle fixing hole 17 and a right fixing hole 18, the left fixing hole 16, the middle fixing hole 17 and the right fixing hole 18 are disposed in the same plane, the middle fixing hole 17 is disposed on the axis of the lower fixing plate 3, the left fixing hole 16 and the right fixing hole 18 are symmetrically disposed at two sides of the middle fixing hole 17, respectively, the distance between the left fixing hole 16 and the middle fixing hole 17 gradually increases as approaching the rear side wall of the lower fixing plate 3, and the distance between the right fixing hole 18 and the middle fixing hole 17 gradually increases as approaching the rear side wall of the lower fixing plate 3, thereby increasing the stability of fixing the fixing needle.

As a specific embodiment of the fine adjustment osteotomy module provided by the present invention, referring to fig. 8, the outer side wall of the upper gimbal 7 is provided with two sets of limit bolts for limiting the rotation of the upper gimbal 7, the limit bolts include a front limit bolt 22 and a rear limit bolt 21, the front limit bolt 22 is used for limiting the front-rear rotation of the upper gimbal 7 of the set of middle adjusting members 2, the front limit bolt 22 is disposed along the front-rear direction of the upper gimbal plate 1, the front limit bolt 22 passes through the front side wall or the rear side wall of the upper gimbal plate 1 for limiting the rotation of the upper gimbal 7 in the front-rear direction, the upper gimbal 7 has a left-right rotation degree of freedom, the left limit bolt 21 is used for limiting the left-right rotation of the upper gimbal 7 of the set of middle adjusting members 2, the left limit bolt 21 is disposed along the left-right direction of the upper gimbal plate 1, the left limit bolt 21 passes through the left side wall or the right side wall of the upper gimbal plate 1 for limiting the left-right rotation of the upper gimbal 7, and the upper gimbal 7 has a front-rear rotation degree of freedom.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (10)

1. A fine osteotomy module, comprising: go up osteotomy plate, middle regulating part and lower fixed plate, go up osteotomy plate with lower fixed plate sets up relatively, be provided with on the osteotomy plate and run through the osteotomy groove that its front and back lateral wall set up, the osteotomy groove is on a parallel with the face setting of last osteotomy plate, be provided with on the lower fixed plate and run through its front and back lateral wall set up the fixed pinhole, the fixed pinhole is on a parallel with the face setting of lower fixed plate, the multiunit middle regulating part sets up on osteotomy plate with between the fixed plate down, the multiunit middle regulating part combined action is used for adjusting go up osteotomy plate with distance and angle between the fixed plate down, multiunit adjust alone between the middle regulating part.

2. The fine-tuning osteotomy module of claim 1, wherein the intermediate adjustment members are provided in three groups, the three groups of intermediate adjustment members being disposed at three corners of the upper osteotomy plate, respectively, the three groups of intermediate adjustment members being arranged in a right triangle.

3. The fine osteotomy module of claim 1, wherein the intermediate adjustment member includes an adjustment screw disposed sequentially through the upper osteotomy plate and the lower fixation plate, an upper gimbal disposed between the adjustment screw and the upper osteotomy plate, and a lower gimbal disposed between the adjustment screw and the lower fixation plate.

4. A fine-tuning osteotomy module as in claim 3, wherein the outer wall of the upper gimbal is spherical, the upper osteotomy plate is provided with an upper gimbal hole, the inner wall of the upper gimbal hole is matched with the outer wall of the upper gimbal, the upper gimbal is rotatably disposed in the upper gimbal hole, and the adjusting screw penetrates the upper gimbal and is in threaded connection with the upper gimbal.

5. The fine osteotomy module of claim 4, wherein the side wall of the upper gimbal ring is provided with side openings.

6. The fine-tuning osteotomy module of claim 5, wherein the lower end of the adjustment screw is provided with a universal ball portion, the diameter of the upper end of the universal ball portion is smaller than the diameter of the middle portion of the universal ball portion, the diameter of the lower end of the universal ball portion is smaller than the diameter of the middle portion of the universal ball portion, the lower fixing plate is provided with a lower universal hole, and the universal ball portion is rotatably disposed in the lower universal hole.

7. The fine-tuning osteotomy module of claim 6, wherein the lower gimbal ring is sleeved at the lower end of the gimbal ball, the gimbal ball is rotatably disposed in the lower gimbal ring, the lower gimbal ring is disposed in the lower gimbal hole, a limit bolt is disposed between the outer sidewall of the lower gimbal ring and the inner sidewall of the lower gimbal hole, and a bolt slot suitable for penetration of the limit bolt is formed between the outer sidewall of the lower gimbal ring and the inner sidewall of the lower gimbal hole.

8. The fine-tuning osteotomy module of claim 7, wherein the lower gimbaled hole includes an upper ball groove and a lower limit groove disposed from top to bottom, the upper ball groove being mated with an upper end of the gimbaled ball portion, the lower gimbaled ring being disposed within the lower limit groove, a lower end of an inner sidewall of the upper ball groove being coincident with an upper end of an inner sidewall of the lower gimbaled ring.

9. The fine-tuning osteotomy module of claim 8, wherein a rotatable screw cap is provided at an upper end of the adjustment screw, a screw cap slot adapted to be penetrated by an upper end of the adjustment screw is provided at a lower end of the rotatable screw cap, and a fixing rod is provided on the rotatable screw cap, the fixing rod penetrating through a sidewall of the rotatable screw cap and the adjustment screw to fix the adjustment screw in the screw cap slot.

10. The fine-tuning osteotomy module of claim 1, wherein the fixation pinholes are provided in three groups including a left fixation hole, a middle fixation hole, and a right fixation hole, the middle fixation hole being provided on the axis of the lower fixation plate, the left fixation hole and the right fixation hole being symmetrically provided on both sides of the middle fixation hole, respectively, the distance between the left fixation hole and the middle fixation hole gradually increasing as approaching the rear sidewall of the lower fixation plate.