Osteotomy tools

Abstract

The present invention provides an osteotomy tool, comprising: a first connecting plate, having a first bone connecting portion; a housing, fixedly connected to the first connecting plate; a slider, movably arranged in the housing; an adjusting block, connected to the slider at an adjustable angle; a second connecting plate, having a second bone connecting portion, the second connecting plate being fixedly connected to the adjusting block; a first locking member, arranged between the slider and the housing; wherein the first locking member comprises a locking plate and a locking block, the locking block being fixedly connected to the slider, the locking plate being movably arranged in the housing to have a locking position for locking with the locking block and an unlocking position for avoiding with the locking block. The technical solution of the present application effectively solves the problem of the troublesome operation of the fixed connection between the housing and the slider in the related art.

Description

Technical Field

[0001] The present invention relates to the technical field of medical instruments, and in particular to an osteotomy tool. Background Art

[0002] The osteotomy tool is used for tumor resection, osteotomy correction, orthopedic repositioning, etc. The osteotomy tool includes a housing and a slider movably arranged in the housing. The housing is connected to one section of the osteotomy, and the slider is connected to the other section of the osteotomy. The slider moves in the housing to adjust the distance between the two sections of autologous bone.

[0003] In the related art, after the distance between the two sections of autologous bone is adjusted, multiple fasteners are needed to fix the housing and the slider so that the two sections of autologous bone can be relatively still, so as to fix the two sections of autologous bone. The operation of using multiple fasteners to fix the housing and the slider is troublesome. Summary of the invention

[0004] The main purpose of the present invention is to provide an osteotomy tool to solve the problem of complicated operation of fixed connection between a shell and a slider in the related art.

[0005] In order to achieve the above-mentioned objectives, the present invention provides an osteotomy tool, comprising: a first connecting plate, having a first bone connecting portion; a shell, fixedly connected to the first connecting plate; a slider, movably arranged in the shell; an adjustment block, connected to the slider at an adjustable angle; a second connecting plate, having a second bone connecting portion, the second connecting plate is fixedly connected to the adjustment block; a first locking piece, arranged between the slider and the shell; wherein the first locking piece comprises a locking plate and a locking block, the locking block is fixedly connected to the slider, and the locking plate is movably arranged in the shell to have a locking position that locks with the locking block and an unlocking position that avoids the locking block.

[0006] Furthermore, a first tooth-shaped portion is provided on the lock plate, and a second tooth-shaped portion is provided on the lock block. When the lock plate is in the locked position, the first tooth-shaped portion is meshed with the second tooth-shaped portion; when the lock plate is in the unlocked position, the first tooth-shaped portion is avoidance-coordinated with the second tooth-shaped portion.

[0007] Furthermore, a first guide structure is arranged between the shell and the lock plate, and the first guide structure includes a guide protrusion and a guide groove cooperating with the guide protrusion, one of the guide protrusion and the guide groove is arranged on the shell, and the other of the guide protrusion and the guide groove is arranged on the lock plate.

[0008] Furthermore, a first rack portion is provided on the lock plate, and the first locking member also includes a first gear rotatably provided in the shell, the first gear is engaged with the first rack portion, and the first gear rotates to drive the lock plate to switch between a locked position and an unlocked position; the first locking member also includes a driving member that can be raised and lowered on the shell, a second rack portion is provided on the driving member, the second rack portion is engaged with the first gear, and the driving member is raised and lowered to drive the first gear to rotate.

[0009] Furthermore, the driving member is raised and lowered to have a static position and a compressed position. When the driving member is in the static position, the locking plate is in the locked position; when the driving member is in the compressed position, the locking plate is in the unlocked position; the first locking member also includes a first elastic member mounted on the driving member, and the first elastic member applies a first elastic force to the driving member so that the driving member can remain in the static position.

[0010] Furthermore, the osteotomy tool also includes a second guide structure arranged between the shell and the slider, the second guide structure includes a slide groove and a guide rail cooperating with the slide groove, one of the slide groove and the guide rail is arranged on the slider, and the other of the slide groove and the guide rail is arranged on the shell.

[0011] Furthermore, the osteotomy tool also includes a worm rotatably arranged on the slider, and the adjusting block is provided with a worm gear toothed portion meshing with the worm. The worm rotates to drive the adjusting block to rotate, so that the angle between the adjusting block and the slider is adjustable.

[0012] Furthermore, the osteotomy tool also includes a second locking piece arranged between the slider and the adjusting block, the second locking piece includes an abutment block movably arranged on the slider, the abutment block moves to have an abutment position and a release position; when the abutment block is in the abutment position, the abutment block abuts and cooperates with the worm gear tooth portion to fix the angle between the adjusting block and the slider; when the abutment block is in the release position, the abutment block avoids and cooperates with the worm gear tooth portion to make the angle between the adjusting block and the slider adjustable.

[0013] Furthermore, the second locking member also includes a second elastic member connected between the sliding block and the abutting block, and the second elastic member applies a second elastic force to the abutting block so that the abutting block can be maintained at the abutting position.

[0014] Furthermore, the abutment block is connected to the worm, the second elastic member is arranged between the worm and the abutment block, and the second locking member also includes a ring arranged on the abutment block and a sleeve rod arranged on the worm; when the ring is sleeved on the sleeve rod, the second elastic member is compressed and the abutment block is in a released position.

[0015] Furthermore, a pin hole and a pin shaft rotatably arranged in the pin hole are arranged between the slider and the adjusting block, the pin hole is arranged on one of the slider and the adjusting block, and the pin shaft is arranged on the other of the slider and the adjusting block.

[0016] According to the technical solution of the present invention, the osteotomy tool comprises: a first connecting plate, a housing, a slider, an adjustment block, a second connecting plate and a first locking member. The first connecting plate has a first bone connecting portion. The housing is fixedly connected to the first connecting plate. The slider is movably arranged in the housing. The adjustment block is connected to the slider at an adjustable angle. The second connecting plate has a second bone connecting portion, and the second connecting plate is fixedly connected to the adjustment block. The first locking member is arranged between the slider and the housing. The first locking member comprises a locking plate and a locking block, and the locking block is fixedly connected to the slider. The locking plate is movably arranged in the housing to have a locking position for locking with the locking block and an unlocking position for avoiding with the locking block. In this way, the osteotomy tool is fixed at a preset osteotomy position, and the first bone connecting portion and the second bone connecting portion are fixedly connected to the autologous bone. An osteotomy operation is performed at the osteotomy position to cut the autologous bone into two osteotomy sections, and during the osteotomy operation, the first bone connecting portion and the second bone connecting portion are fixedly connected to the autologous bone, so that the first bone connecting portion can be connected to one osteotomy section, and the second bone connecting portion can be connected to another osteotomy section. After the osteotomy operation is completed, the driving slider moves in the shell to adjust the distance between the first connecting plate and the second connecting plate, thereby adjusting the distance between one section of osteotomy and another section of osteotomy. By adjusting the angle between the slider and the adjusting block, the angle between the first connecting plate and the second connecting plate can be adjusted, thereby adjusting the angle between one section of osteotomy and another section of osteotomy, so that the two sections of osteotomy can be corrected to a preset relative position, which is convenient for the fixation operation of the two sections of osteotomy. In addition, through the provision of the first locking piece, the locking plate and the locking block can be locked and matched simply and quickly, so that the shell and the slider can be relatively still, so that the two sections of autologous bone can be relatively still, so as to facilitate the fixed connection of the two sections of autologous bone. The first locking piece has a simple structure, is easy to process and install, and is easy to operate. Therefore, the technical solution of the present application effectively solves the problem of the troublesome operation of the fixed connection between the shell and the slider in the related art. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of an osteotomy tool according to the present invention is shown;

[0019] Figure 2 Shows Figure 1 A schematic diagram of the stereoscopic structure of the osteotomy tool without showing the first connecting plate and the second connecting plate;

[0020] Figure 3 Shows Figure 1 A schematic diagram of the three-dimensional structure of the osteotomy tool without showing the housing;

[0021] Figure 4 Shows Figure 1 Schematic diagram of the exploded structure of the osteotomy tool;

[0022] Figure 5 Shows Figure 1 A schematic side view of an osteotomy tool without showing the housing;

[0023] Figure 6 Shows Figure 5 A partial enlarged view of the osteotomy tool at point A;

[0024] Figure 7 Shows Figure 1 A schematic diagram of a partially exploded structure of an osteotomy tool;

[0025] Figure 8 Shows Figure 1 A schematic side view of the adjustment block and the worm of the osteotomy tool;

[0026] Fig. 9 Shows Figure 1 A schematic diagram of the three-dimensional structure of the adjustment block and the worm of the osteotomy tool;

[0027] Fig.10 Shows Figure 1 Schematic diagram of the three-dimensional structure of the adjustment block of the osteotomy tool.

[0028] The above drawings include the following reference numerals:

[0029] 10. A first connecting plate;

[0030] 20. housing; 21. guide protrusion; 22. first gear; 23. guide rail;

[0031] 30. Sliding block; 31. Worm; 32. Sliding groove; 33. Abutment block; 34. Second elastic member; 35. Ring; 36. Sleeve rod;

[0032] 40. Adjusting block; 41. Worm gear tooth portion; 42. Pin shaft;

[0033] 50. Second connecting plate;

[0034] 60. Lock plate; 61. First toothed portion; 62. Guide groove; 63. First rack portion;

[0035] 70. Locking block; 71. Second toothed portion;

[0036] 80. Driving member; 81. Second rack portion; 82. First elastic member. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0039] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0040] In this embodiment, if Figures 1 to 3 As shown, the osteotomy tool includes: a first connecting plate 10, a housing 20, a slider 30, an adjustment block 40, a second connecting plate 50 and a first locking member. The first connecting plate 10 has a first bone connecting portion. The housing 20 is fixedly connected to the first connecting plate 10. The slider 30 is movably arranged in the housing 20. The adjustment block 40 is connected to the slider 30 at an adjustable angle. The second connecting plate 50 has a second bone connecting portion, and the second connecting plate 50 is fixedly connected to the adjustment block 40. The first locking member is arranged between the slider 30 and the housing 20. Among them, the first locking member includes a locking plate 60 and a locking block 70, and the locking block 70 is fixedly connected to the slider 30. The locking plate 60 is movably arranged in the housing 20 to have a locking position for locking with the locking block 70 and an unlocking position for avoiding with the locking block 70.

[0041] In this way, the osteotomy tool is fixed at a preset osteotomy position, and the first bone connection part and the second bone connection part are fixedly connected to the autologous bone. The osteotomy operation is performed at the osteotomy position to cut the autologous bone into two sections of osteotomy, and during the osteotomy operation, the first bone connection part and the second bone connection part are fixedly connected to the autologous bone, so that the first bone connection part can be connected to one section of osteotomy, and the second bone connection part can be connected to another section of osteotomy. After the osteotomy operation is completed, the driving slider 30 moves in the housing 20 to adjust the distance between the first connecting plate 10 and the second connecting plate 50, thereby adjusting the distance between one section of osteotomy and another section of osteotomy. By adjusting the angle between the slider 30 and the adjusting block 40, the angle between the first connecting plate 10 and the second connecting plate 50 can be adjusted, thereby adjusting the angle between one section of osteotomy and another section of osteotomy, so that the two sections of osteotomy can be corrected into a preset relative position, which is convenient for the fixation operation of the two sections of osteotomy. Furthermore, by setting the first locking member, the locking plate 60 and the locking block 70 can be locked and matched simply and quickly, so that the housing 20 and the slider 30 can be relatively still, so that the two sections of autologous bone can be relatively still, so as to facilitate the fixed connection of the two sections of autologous bone. The first locking member has a simple structure, is easy to process and install, and is easy to operate. Therefore, the technical solution of this embodiment effectively solves the problem of the troublesome operation of the fixed connection between the housing and the slider in the related art.

[0042] In this embodiment, the moving direction of the slider 30 is set at an angle to the moving direction of the lock plate 60, so that when the slider 30 moves in the housing 20, the lock plate 60 can remain relatively still with the housing 20, so that the lock plate 60 can remain in the locked position. Preferably, the moving direction of the slider 30 is set perpendicular to the moving direction of the lock plate 60, so as to further reduce the movement of the lock plate 60 relative to the housing 20 when the slider 30 moves in the housing 20, so that when the slider 30 moves in the housing 20, the lock plate 60 can be better maintained in the locked position.

[0043] In this embodiment, there are multiple first connecting plates 10 and multiple second connecting plates 50. The curvature and size of the first bone connecting parts of the multiple first connecting plates 10 are different, and the curvature and size of the second bone connecting parts of the multiple second connecting plates 50 are different. One of the multiple first connecting plates 10 can be selectively fixedly connected to the shell 20, and one of the multiple second connecting plates 50 can be selectively fixedly connected to the slider 30. In this way, the osteotomy tool can select different first connecting plates 10 and second connecting plates 50 for connection according to the conditions of the autologous bones of different patients, avoiding the replacement of the shell 20 and the slider 30, etc., improving the adaptability and utilization rate of the osteotomy tool, and reducing the use cost of the osteotomy tool.

[0044] By applying the technical solution of this embodiment, the osteotomy tools are fixed on the autologous bone before, during and after osteotomy, without the need for disassembly, thus reducing the workload.

[0045] In other embodiments, the moving direction of the slider 30 is the same as the moving direction of the lock plate 60. The lock plate 60 moves in the housing 20, so that when the lock plate 60 and the side wall stop of the housing 20 in the moving direction of the slider 30 cooperate, the lock plate 60 and the housing 20 are relatively stationary, and at this time, the lock plate 60 and the lock block 70 are locked and cooperated, so that the housing 20 and the slider 30 can remain relatively stationary.

[0046] like Figures 1 to 10 As shown, the locking plate 60 is provided with a first tooth-shaped portion 61, and the locking block 70 is provided with a second tooth-shaped portion 71. When the locking plate 60 is in the locked position, the first tooth-shaped portion 61 is meshed with the second tooth-shaped portion 71. When the locking plate 60 is in the unlocked position, the first tooth-shaped portion 61 and the second tooth-shaped portion 71 are matched in an avoidance manner. By providing the first tooth-shaped portion 61 on the locking plate 60 to mesh with the second tooth-shaped portion 71 on the locking block 70, precise locking between the first connecting plate 10 and the second connecting plate 50 is achieved, ensuring a stable connection between the two sections of the osteotomy, and providing precise control for the orthopedic reduction of the osteotomy. When unlocking, the avoidance cooperation between the first tooth-shaped portion 61 and the second tooth-shaped portion 71 allows the locking plate 60 to separate from the locking block 70, thereby achieving free movement of the slider 30, improving operational flexibility and convenience.

[0047] like Figures 1 to 10 As shown, a first guide structure is provided between the housing 20 and the lock plate 60, and the first guide structure includes a guide protrusion 21 and a guide groove 62 that cooperates with the guide protrusion 21. The guide protrusion 21 is provided on the housing 20, and the guide groove 62 is provided on the lock plate 60. The provision of the first guide structure ensures the stable movement of the lock plate 60 in the housing 20, reduces the offset or vibration of the lock plate 60 when switching between the locked position and the unlocked position, and further improves the accuracy and reliability of the osteotomy tool. This structure simplifies the positioning and movement of the lock plate 60, making its operation smoother and more accurate. In addition, the provision of the first guide structure enables the lock plate 60 to move only along the guide direction of the first guide structure, reducing the possibility of relative movement between the lock plate 60 and the housing 20 caused by the slider 30 when moving in the housing 20.

[0048] In this embodiment, the housing 20 includes an upper housing 20 and a lower housing 20, and the upper housing 20 is fixedly connected to the lower housing 20. The slider 30 is movably disposed in the upper housing 20, and the lock plate 60 is movably disposed in the lower housing 20.

[0049] In other embodiments, the guide groove 62 is disposed on the housing 20 , and the guide protrusion 21 is disposed on the locking plate 60 .

[0050] like Figures 1 to 10 As shown, the lock plate 60 is provided with a first rack portion 63, and the first locking member also includes a first gear 22 rotatably arranged in the housing 20, the first gear 22 is meshed with the first rack portion 63, and the first gear 22 rotates to drive the lock plate 60 to switch between the locked position and the unlocked position. The first locking member also includes a driving member 80 that is movably arranged on the housing 20, and the driving member 80 is provided with a second rack portion 81, the second rack portion 81 is meshed with the first gear 22, and the driving member 80 is lifted to drive the first gear 22 to rotate. Through the meshing of the first gear 22 with the first rack portion 63 and the meshing of the second rack portion 81 on the driving member 80 with the first gear 22, the driving member 80 is lifted to drive the lock plate 60 to move, so that the lock plate 60 can be conveniently driven to switch between the locked position and the unlocked position, thereby improving the efficiency and convenience of the operation. The stability of the gear transmission also ensures the accuracy of the lock plate 60 during the movement process, avoiding errors during the operation process.

[0051] like Figures 1 to 10 As shown, the driving member 80 is raised and lowered to have a static position and a compressed position. When the driving member 80 is in the static position, the locking plate 60 is in the locked position. When the driving member 80 is in the compressed position, the locking plate 60 is in the unlocked position. The first locking member also includes a first elastic member 82 sleeved on the driving member 80, and the first elastic member 82 applies a first elastic force to the driving member 80 so that the driving member 80 can be kept in the static position. When the driving member 80 is in the static position, the locking plate 60 automatically remains in the locked position to ensure the stable connection of the two sections of the osteotomy. When adjustment is required, it is only necessary to press the driving member 80 to the compressed position, and the locking plate 60 automatically switches to the unlocked position, which is convenient for adjusting the distance between the first connecting plate 10 and the second connecting plate 50. The provision of the first elastic member 82 can maintain the driving member 80 in the static position, reduce the operation steps, and improve the operation efficiency.

[0052] like Figures 1 to 10 As shown, the osteotomy tool also includes a second guide structure arranged between the housing 20 and the slider 30, and the second guide structure includes a slide groove 32 and a guide rail 23 that cooperates with the slide groove 32. The slide groove 32 is arranged on the slider 30, and the guide rail 23 is arranged on the housing 20. The cooperation between the slide groove 32 and the guide rail 23 ensures the smooth movement of the slider 30 in the housing 20, avoids the lateral shaking of the slider 30 when moving, and enhances the stability of the osteotomy tool when in use. The design of this second guide structure simplifies the operation, improves the accuracy of the operation, and reduces the unnecessary offset of the two sections of osteotomy when adjusting the distance.

[0053] In other embodiments, the guide rail 23 is disposed on the slider 30 , and the slide groove 32 is disposed on the housing 20 .

[0054] like Figures 1 to 10 As shown, the osteotomy tool also includes a worm 31 rotatably arranged on the slider 30, and a worm gear tooth portion 41 meshing with the worm 31 is arranged on the adjustment block 40. The worm 31 rotates to drive the adjustment block 40 to rotate, so that the angle between the adjustment block 40 and the slider 30 is adjustable. The cooperation between the worm 31 and the worm gear tooth portion 41 realizes the precise adjustment of the angle between the adjustment block 40 and the slider 30, providing more precise angle control for the orthopedic reduction of the two-stage osteotomy. This design not only improves the accuracy of osteotomy correction, but also simplifies the adjustment process, allowing doctors to quickly adjust the angle between the two-stage osteotomy to ensure the ideal orthopedic reduction effect.

[0055] like Figures 1 to 10 As shown, the osteotomy tool also includes a second locking member arranged between the slider 30 and the adjustment block 40, and the second locking member includes an abutment block 33 movably arranged on the slider 30, and the abutment block 33 moves to have an abutment position and a release position. When the abutment block 33 is in the abutment position, the abutment block 33 abuts and cooperates with the worm gear tooth-shaped portion 41 to fix the angle between the adjustment block 40 and the slider 30. When the abutment block 33 is in the release position, the abutment block 33 avoids and cooperates with the worm gear tooth-shaped portion 41 to make the angle between the adjustment block 40 and the slider 30 adjustable. In this way, by switching the abutment block 33 between the abutment position and the release position, the controllability of the angle locking between the adjustment block 40 and the slider 30 is achieved, ensuring a stable connection between the two sections of osteotomy during the osteotomy correction process. This design improves the stability of the osteotomy tool when it is used, and avoids the potential risks caused by angle changes during operation.

[0056] like Figures 1 to 10 As shown, the second locking member also includes a second elastic member 34 connected between the slider 30 and the abutment block 33, and the second elastic member 34 applies a second elastic force to the abutment block so that the abutment block 33 can be kept in the abutment position. The addition of the second elastic member 34 enables the abutment block 33 to automatically remain in the abutment position when not subject to external force, ensures the angle locking between the adjustment block 40 and the slider 30, increases the stability during the correction process, and improves the convenience of using the osteotomy tool.

[0057] like Figures 1 to 10As shown, the abutment block 33 is connected to the worm 31, and the second elastic member 34 is arranged between the worm 31 and the abutment block 33. The second locking member also includes a collar 35 arranged on the abutment block 33 and a sleeve rod 36 arranged on the worm 31. When the collar 35 is sleeved on the sleeve rod 36, the second elastic member 34 is compressed, and the abutment block 33 is in a released position. Through the connection between the abutment block 33 and the worm 31, and the cooperation between the collar 35 and the sleeve rod 36, the abutment block 33 can be better maintained in the released position. When the collar 35 is sleeved on the sleeve rod 36, the second elastic member 34 is compressed, and the abutment block 33 automatically moves to the released position, so that the angle of the adjustment block 40 relative to the slider 30 is adjustable, so that the angle between the two sections of osteotomy is adjustable, thereby improving the flexibility and efficiency of orthopedic reduction.

[0058] like Figures 1 to 10 As shown, a pin hole and a pin shaft 42 rotatably arranged in the pin hole are arranged between the slider 30 and the adjustment block 40. The pin hole is arranged on the slider 30, and the pin shaft 42 is arranged on the adjustment block 40. The arrangement of the pin hole and the pin shaft 42 further enhances the stable rotatable connection between the slider 30 and the adjustment block 40, ensures the structural stability during the angle adjustment process, and reduces the situation of component separation or damage caused by improper operation. The adoption of this structural design improves the durability and safety of the osteotomy tool.

[0059] In other embodiments, the pin hole is disposed on the adjusting block 40 , and the pin shaft 42 is disposed on the sliding block 30 .

[0060] In this embodiment, there are two locking blocks 70 respectively disposed on both sides of the slider 30, and there are two locking plates 60, and the two locking plates 60 are disposed in a one-to-one correspondence with the two locking blocks 70. There are two first gears 22, and the two first gears 22 are disposed in a one-to-one correspondence with the two locking plates 60. There is one driving member 80, and the driving member 80 is provided with two second rack portions 81, and the two second rack portions 81 are disposed in a one-to-one correspondence with the two first gears 22. The driving member 80 is raised and lowered to drive the two first gears 22 to rotate through the two second rack portions 81.

[0061] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0062] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0063] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An osteotomy tool, characterized in that: include: A first connecting plate (10) having a first bone connecting portion; A housing (20) fixedly connected to the first connecting plate (10); A slider (30) movably disposed in the housing (20); An adjusting block (40) connected to the sliding block (30) in an angle-adjustable manner; A second connecting plate (50) having a second bone connecting portion, wherein the second connecting plate (50) is fixedly connected to the adjusting block (40); A first locking member, arranged between the slider (30) and the housing (20); The first locking member comprises a locking plate (60) and a locking block (70), the locking block (70) being fixedly connected to the slider (30), the locking plate (60) being movably arranged in the housing (20) to have a locking position for locking with the locking block (70) and an unlocking position for avoiding and cooperating with the locking block (70); the locking plate (60) is provided with a first toothed portion (61), the locking block (70) is provided with a second toothed portion (71), when the locking plate (60) is in the locking position, the first toothed portion (61) is meshed with the second toothed portion (71); when the locking plate (60) is in the unlocking position, the first toothed portion (61) is avoided and cooperated with the second toothed portion (71); The lock plate (60) is provided with a first rack portion (63), the first locking member further comprising a first gear (22) rotatably provided in the housing (20), the first gear (22) being meshed with the first rack portion (63), the first gear (22) rotating to drive the lock plate (60) to switch between the locked position and the unlocked position; The first locking member further comprises a driving member (80) which is movably arranged on the housing (20), the driving member (80) being provided with a second rack portion (81), the second rack portion (81) being meshed with the first gear (22), and the driving member (80) is lifted and lowered to drive the first gear (22) to rotate.

2. The osteotomy tool according to claim 1, characterized in that: A first guide structure is provided between the housing (20) and the lock plate (60), the first guide structure comprising a guide protrusion (21) and a guide groove (62) that cooperates with the guide protrusion (21) for guiding, one of the guide protrusion (21) and the guide groove (62) being provided on the housing (20), and the other of the guide protrusion (21) and the guide groove (62) being provided on the lock plate (60).

3. The osteotomy tool according to claim 1, characterized in that: The driving member (80) is lifted and lowered to have a static position and a pressed position, and when the driving member (80) is in the static position, the locking plate (60) is in the locked position; when the driving member (80) is in the pressed position, the locking plate (60) is in the unlocked position; The first locking member further comprises a first elastic member (82) sleeved on the driving member (80), wherein the first elastic member (82) applies a first elastic force to the driving member (80) so that the driving member (80) can be maintained in the static position.

4. The osteotomy tool according to claim 1, characterized in that: The osteotomy tool also includes a second guide structure arranged between the shell (20) and the slider (30), the second guide structure including a slide groove (32) and a guide rail (23) guided and matched with the slide groove (32), one of the slide groove (32) and the guide rail (23) is arranged on the slider (30), and the other of the slide groove (32) and the guide rail (23) is arranged on the shell (20).

5. The osteotomy tool according to claim 1, characterized in that: The osteotomy tool further comprises a worm (31) rotatably arranged on the slider (30); the adjustment block (40) is provided with a worm gear tooth portion (41) meshing with the worm (31); the worm (31) rotates to drive the adjustment block (40) to rotate, so that the angle between the adjustment block (40) and the slider (30) is adjustable.

6. The osteotomy tool according to claim 5, characterized in that: The osteotomy tool further comprises a second locking member arranged between the slider (30) and the adjusting block (40), the second locking member comprising an abutting block (33) movably arranged on the slider (30), the abutting block (33) moving to have an abutting position and a releasing position; when the abutting block (33) is in the abutting position, the abutting block (33) abuts and cooperates with the worm gear tooth-shaped portion (41) to fix the angle between the adjusting block (40) and the slider (30); when the abutting block (33) is in the releasing position, the abutting block (33) avoids and cooperates with the worm gear tooth-shaped portion (41) to make the angle between the adjusting block (40) and the slider (30) adjustable.

7. The osteotomy tool according to claim 6, characterized in that: The second locking member further comprises a second elastic member (34) connected between the sliding block (30) and the abutting block (33), wherein the second elastic member (34) applies a second elastic force to the abutting block (33) so that the abutting block (33) can be maintained at the abutting position.

8. The osteotomy tool according to claim 7, characterized in that: The abutment block (33) is connected to the worm (31); the second elastic member (34) is arranged between the worm (31) and the abutment block (33); the second locking member further comprises a sleeve ring (35) arranged on the abutment block (33) and a sleeve rod (36) arranged on the worm (31); when the sleeve ring (35) is sleeved on the sleeve rod (36), the second elastic member (34) is compressed and the abutment block (33) is in the release position.

9. The osteotomy tool according to claim 1, characterized in that: A pin hole and a pin shaft (42) rotatably arranged in the pin hole are arranged between the slider (30) and the adjusting block (40); the pin hole is arranged on one of the slider (30) and the adjusting block (40); and the pin shaft (42) is arranged on the other of the slider (30) and the adjusting block (40).

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