CN219000450U

CN219000450U - Osteotomy guiding device

Info

Publication number: CN219000450U
Application number: CN202320361680.4U
Authority: CN
Inventors: 柴伟; 李睿; 李文龙; 申一君
Original assignee: Beijing Yidian Lingdong Technology Co ltd
Current assignee: Beijing Yidian Lingdong Technology Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-05-12
Anticipated expiration: 2033-02-23

Abstract

The utility model provides an osteotomy guiding device, comprising: a fixing frame; the mounting rack is arranged on the fixing rack in a lifting manner; the locking structure is connected between the fixing frame and the mounting frame to lock the mounting frame on the fixing frame; the positioning part is rotatably arranged in the mounting frame, a first through hole group and a second through hole group are arranged on the positioning part, the extending direction of the first through hole group is intersected with the extending direction of the second through hole group, and the hole pitch of the first through hole group is different from the hole pitch of the second through hole group. The technical scheme of the application can effectively solve the problem that different osteotomy guiding devices are needed to be used for different osteotomy guiding plates in the related technology.

Description

Osteotomy guiding device

Technical Field

The utility model relates to the technical field of surgical tools, in particular to an osteotomy guiding device.

Background

Joint replacement surgery is commonly used in patients with joint disorders as a way to relieve pain, restore function, and improve the quality of life of the patient.

Specifically, when performing the joint replacement operation, an osteotomy operation needs to be performed first, after the osteotomy position is determined, two kirschner wires are installed at the osteotomy position, and then the two kirschner wires are positioned against the osteotomy guide plate so as to perform the subsequent osteotomy operation. The distance requirements between the two kirschner wires are different for different osteotomy guides, which requires the provision of a plurality of osteotomy guides.

Disclosure of Invention

The main objective of the present utility model is to provide an osteotomy guiding device, which solves the problem that different osteotomy guiding devices are required for different osteotomy guiding plates in the related art.

In order to achieve the above object, the present utility model provides an osteotomy guiding device comprising: a fixing frame; the mounting rack is arranged on the fixing rack in a lifting manner; the locking structure is connected between the fixing frame and the mounting frame to lock the mounting frame on the fixing frame; the positioning part is rotatably arranged in the mounting frame, a first through hole group and a second through hole group are arranged on the positioning part, the extending direction of the first through hole group is intersected with the extending direction of the second through hole group, and the hole pitch of the first through hole group is different from the hole pitch of the second through hole group.

Further, the osteotomy guiding device further comprises an adjusting component, the adjusting component is arranged on the mounting frame and matched with the positioning part, the adjusting component is provided with an adjusting state and a locking state, when the adjusting component is in the adjusting state, the positioning part can rotate relative to the mounting frame, and when the adjusting component is in the locking state, the positioning part is fixedly arranged relative to the mounting frame.

Further, the positioning part comprises a positioning block and a first pin shaft and a second pin shaft which are respectively arranged at two ends of the positioning block, wherein the first through hole group and the second through hole group are arranged on the positioning block, and the positioning block is rotatably connected with the mounting frame through the first pin shaft and the second pin shaft.

Further, the mounting frame comprises a frame body, the frame body comprises a top plate, a first side plate and a second side plate, the first side plate and the second side plate are connected to two ends of the top plate, the positioning block is located in a mounting space formed by surrounding the top plate, the first side plate and the second side plate, the first pin shaft penetrates through the first side plate, and the second pin shaft penetrates through the second side plate.

Further, be provided with the mounting groove on the mounting bracket, adjusting part is including movably wearing to locate the adjusting knob in the mounting groove and connect the fastener on the adjusting knob, is provided with a plurality of locking holes that set up along its circumference direction interval on the first round pin axle, and when adjusting part was in the locked state, the tip of fastener was inserted in a locking hole, and when adjusting part was in the adjusted state, fastener and all locking holes equally divide and set up.

Further, the positioning block is a prism, the positioning block comprises a first side face, a second side face, a third side face and a fourth side face, the first side face and the second side face are arranged in parallel, the first through hole group penetrates through and is perpendicular to the first side face and the second side face, the third side face and the fourth side face are arranged in parallel, the second through hole group penetrates through and is perpendicular to the third side face and the fourth side face, and the plurality of locking holes comprise a first locking hole parallel to the first through hole group and a second locking hole parallel to the second through hole group.

Further, the adjustment assembly further includes a reset member disposed between the mounting groove and the adjustment knob to maintain the adjustment assembly in a locked state.

Further, one end of the adjusting button, which is close to the bottom wall of the mounting groove, is provided with a mounting hole, the resetting piece is a pressure spring arranged in the mounting hole, the clamping piece comprises a connecting arm and a clamping hook connected with the connecting arm, the end part of the clamping hook extends towards the adjusting button, and the first pin shaft is positioned between the clamping hook and the adjusting button.

Further, be provided with the guide way on the adjusting knob, the guide way extends along the direction of movement of adjusting knob, and adjusting assembly still includes the spacer pin of wearing to locate mounting bracket and guide way, and the length direction of spacer pin is perpendicular to the direction of movement of adjusting knob.

Further, the mount includes PMKD and connects the guide post on PMKD, be provided with the spread groove that extends along its length direction on the guide post, the mount includes the mounting panel, locking structure includes slider and locking knob, the mounting panel presss from both sides and establishes between slider and locking knob, the guide post is worn to locate by the slider, locking knob includes knob head and the connecting stud who is connected with the knob head, the connecting stud passes mounting panel and slider and is corresponding to the lateral wall of spread groove and with the tank bottom butt cooperation of spread groove, the mounting panel presss from both sides and establishes between knob head and slider corresponding to the lateral wall of spread groove.

By applying the technical scheme of the utility model, the mounting frame is arranged on the mounting frame in a lifting manner, an operator can adjust the position of the mounting frame relative to the mounting frame and lock the mounting frame on the mounting frame through the locking structure, the positioning part is rotatably arranged in the mounting frame, and the positioning part is provided with the first through hole group and the second through hole group which can be penetrated by the Kirschner wire, wherein the hole pitch of the first through hole group is different from that of the second through hole group, namely, the first through hole group and the second through hole group are respectively applicable to different osteotomy guide plates, and when in osteotomy operation, the operator can rotate the positioning part to enable the required through hole group to be aligned with the bone surface, namely, the osteotomy guide device of the application can be matched with the different osteotomy guide plates. Therefore, the technical scheme of the application can effectively solve the problem that different osteotomy guiding devices are needed for different osteotomy guiding plates in the related technology.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic perspective view of an embodiment of an osteotomy guiding device according to the utility model;

FIG. 2 shows a schematic cross-sectional view of the osteotomy guide of FIG. 1;

FIG. 3 illustrates a schematic perspective view of the mounting bracket, positioning portion and adjustment assembly of the osteotomy guide of FIG. 1;

FIG. 4 shows a schematic cross-sectional view of the mounting bracket, positioning portion and adjustment assembly of FIG. 3;

FIG. 5 shows a schematic perspective view of a positioning portion of the osteotomy guiding device of FIG. 1;

fig. 6 shows a schematic view of the mounting of the osteotomy guide device of fig. 1 on an distractor.

Wherein the above figures include the following reference numerals:

10. a fixing frame; 11. a fixed bottom plate; 12. a guide post; 121. a connecting groove; 20. a mounting frame; 21. a frame body part; 211. a top plate; 212. a first side plate; 213. a second side plate; 22. a mounting groove; 23. a mounting plate; 30. a locking structure; 31. a slide block; 32. a locking knob; 321. a knob head; 322. a connecting stud; 40. a positioning part; 41. a first through hole group; 411. a first through hole; 42. a second group of through holes; 421. a second through hole; 43. a positioning block; 431. a first side; 432. a second side; 433. a third side; 434. a fourth side; 44. a first pin; 441. a locking hole; 4411. a first locking hole; 4412. a second locking hole; 45. a second pin; 50. an adjustment assembly; 51. an adjusting knob; 511. a mounting hole; 512. a guide groove; 52. a clamping piece; 521. a connecting arm; 522. a clamping hook; 53. a reset member; 54. a limiting pin; 60. a spreader.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1 to 5, the osteotomy guiding device of the present embodiment includes: mount 10, mount 20, locking structure 30, and positioning portion 40. Wherein the mounting frame 20 is arranged on the fixing frame 10 in a lifting manner; a locking structure 30 is connected between the mount 10 and the mount 20 to lock the mount 20 to the mount 10; the positioning portion 40 is rotatably disposed in the mounting frame 20, and the positioning portion 40 is provided with a first through hole group 41 and a second through hole group 42, wherein the extending direction of the first through hole group 41 intersects with the extending direction of the second through hole group 42, and the pitch of the first through hole group 41 is different from the pitch of the second through hole group 42.

By applying the technical scheme of the embodiment, the mounting frame 20 is arranged on the fixing frame 10 in a lifting manner, an operator can adjust the position of the mounting frame 20 relative to the fixing frame 10 and lock the mounting frame 20 on the fixing frame 10 through the locking structure 30, the positioning part 40 is rotatably arranged in the mounting frame 20, the positioning part 40 is provided with the first through hole group 41 and the second through hole group 42 through which the kirschner wire can pass, the hole pitch of the first through hole group 41 is different from that of the second through hole group 42, namely, the first through hole group 41 and the second through hole group 42 are respectively applicable to different osteotomy guide plates, and when the osteotomy operation is carried out, the operator can rotate the positioning part 40 to enable the required through hole group to be aligned with the bone surface, namely, the osteotomy guide device of the embodiment can be matched with the different osteotomy guide plates. Therefore, the technical scheme of the embodiment can effectively solve the problem that different osteotomy guiding devices are needed for different osteotomy guiding plates in the related art.

In the present embodiment, the first through hole group 41 includes two first through holes 411 disposed in parallel, and the "pitch of the first through holes 41" is the distance between the central axes of the two first through holes 411; the second through hole group 42 includes two second through holes 421 disposed in parallel, and the "pitch of the second through hole group 42" is the distance between the central axes of the two second through holes 421.

When the first through hole group comprises more than two first through holes, the hole pitch of the first through hole group is the distance between the central axes of the two first through holes which are farthest from each other; when the second through hole group includes more than two second through holes, the "hole pitch of the second through hole group" is the distance between the central axes of the two second through holes that are farthest from each other.

As shown in fig. 1 to 5, the osteotomy guiding device further includes an adjusting assembly 50, the adjusting assembly 50 is disposed on the mounting frame 20 and cooperates with the positioning portion 40, the adjusting assembly 50 has an adjusting state and a locking state, when the adjusting assembly 50 is in the adjusting state, the positioning portion 40 can rotate relative to the mounting frame 20, and when the adjusting assembly 50 is in the locking state, the positioning portion 40 is fixedly disposed relative to the mounting frame 20. When it is desired to rotate the positioning portion 40 such that the proper set of through holes is facing the bone surface, the operator can place the adjustment assembly 50 in an adjusted state; the adjustment assembly 50 may then be locked such that the positioning portion 40 is fixedly disposed with respect to the mounting frame 20 and is no longer rotatable, thereby facilitating subsequent stapling operations.

As shown in fig. 3 and 5, the positioning portion 40 includes a positioning block 43, and a first pin 44 and a second pin 45 respectively disposed at two ends of the positioning block 43, where the first through hole group 41 and the second through hole group 42 are disposed on the positioning block 43, and the positioning block 43 is rotatably connected with the mounting frame 20 through the first pin 44 and the second pin 45. The first pin shaft 44 and the second pin shaft 45 realize the rotary connection between the positioning block 43 and the mounting frame 20, and have the advantage of simple structure.

As shown in fig. 2 and 5, the mounting frame 20 includes a frame portion 21, where the frame portion 21 includes a top plate 211, and a first side plate 212 and a second side plate 213 connected to two ends of the top plate 211, the positioning block 43 is located in an installation space formed by surrounding the top plate 211, the first side plate 212 and the second side plate 213, the first pin 44 is disposed through the first side plate 212, and the second pin 45 is disposed through the second side plate 213.

As shown in fig. 1 to 5, the mounting bracket 20 is provided with a mounting groove 22, the adjusting assembly 50 includes an adjusting knob 51 movably penetrating into the mounting groove 22 and a blocking member 52 connected to the adjusting knob 51, the first pin 44 is provided with a plurality of locking holes 441 spaced apart in a circumferential direction thereof, and when the adjusting assembly 50 is in a locked state, an end portion of the blocking member 52 is inserted into one of the locking holes 441, and when the adjusting assembly 50 is in an adjusted state, the blocking member 52 is equally spaced from all of the locking holes 441. The clip 52 is driven to move by operating the adjusting knob 51 so that it can be inserted into one of the locking holes 441 or be separated from all of the locking holes 441, so that the adjusting assembly 50 can be switched between the adjusting state and the locking state, and has the advantage of simple structure.

Specifically, in the present embodiment, the mounting groove 22 is provided on the first side plate 212.

As shown in fig. 2 and 5, the positioning block 43 is a prism, the positioning block 43 includes a first side 431, a second side 432, a third side 433 and a fourth side 434, the first side 431 and the second side 432 are disposed in parallel, the first through hole group 41 penetrates and is perpendicular to the first side 431 and the second side 432, the third side 433 and the fourth side 434 are disposed in parallel, the second through hole group 42 penetrates and is perpendicular to the third side 433 and the fourth side 434, and the plurality of locking holes 441 includes a first locking hole 4411 parallel to the first through hole group 41 and a second locking hole 4412 parallel to the second through hole group 42. Specifically, when the clip 52 is inserted into the first locking hole 4411, the first through hole group 41 faces the human skeleton, and when the clip 52 is inserted into the second locking hole 4412, the second through hole group 42 faces the human skeleton.

As shown in fig. 5, the side edges of the prisms may be rounded. In this embodiment, the positioning block 43 is a quadrangular prism, and two through hole sets respectively adapted to the distal femur osteotomy guide plate and the four-in-one osteotomy guide plate are provided on the positioning block 43. Of course, in the embodiment not shown in the drawings, the positioning block may be a hexagonal prism, an eight-square prism, a cylinder, or the like.

As shown in fig. 2, the adjustment assembly 50 further includes a reset member 53 disposed between the mounting groove 22 and the adjustment knob 51 such that the adjustment assembly 50 is maintained in a locked state. Under the condition that no external force acts, the reset piece 53 can enable the adjusting assembly 50 to be kept in a locking state, so that the positioning block 43 is fixedly arranged relative to the mounting frame 20, and subsequent operations of nailing the Kirschner wire are facilitated.

As shown in fig. 2, an end of the adjusting knob 51 near the bottom wall of the mounting groove 22 is provided with a mounting hole 511, the reset element 53 is a compression spring arranged in the mounting hole 511, the clamping element 52 comprises a connecting arm 521 and a clamping hook 522 connected with the connecting arm 521, the end of the clamping hook 522 extends towards the adjusting knob 51, and the first pin 44 is located between the clamping hook 522 and the adjusting knob 51. The mounting hole 511 can provide a mounting space for the restoring member 53 and guide it. When the adjusting assembly 50 needs to be switched to the adjusting state, an operator only needs to press the adjusting button 51 to overcome the elastic force of the pressure spring and rotate the positioning block 43 to select a proper through hole group; when the positioning block 43 is rotated to a proper position, the adjusting knob 51 is released, so that the adjusting assembly 50 can be switched to a locking state to limit the rotation of the positioning block 43, and the operation is simple.

As shown in fig. 1 to 4, the adjusting knob 51 is provided with a guide groove 512, the guide groove 512 extends along the moving direction of the adjusting knob 51, and the adjusting assembly 50 further includes a limiting pin 54 penetrating the mounting frame 20 and the guide groove 512, and the length direction of the limiting pin 54 is perpendicular to the moving direction of the adjusting knob 51. By the cooperation between the stopper pin 54 and the guide groove 512, the knob 51 can be stopped, and is prevented from being ejected from the mounting groove 22 under the action of the compression spring.

Specifically, when the mounting frame 20, the positioning portion 40 and the adjusting assembly 50 are assembled, the adjusting knob 51 provided with the reset member 53 and the clamping member 52 is firstly mounted in the mounting groove 22, the adjusting knob 51 is pressed and penetrates into the limiting pin 54 from the outer side of the first side plate 212, so that the adjusting knob 51 can not pop out of the mounting groove 22 when the adjusting knob 51 is not pressed any more, the positioning block 43 is then placed into the mounting space formed by surrounding the top plate 211, the first side plate 212 and the second side plate 213, and penetrates into the first pin 44 from the outer side of the first side plate 212, penetrates into the second pin 45 from the outer side of the second side plate 213, and enables the first pin 44 and the second pin 45 to be fixedly connected with the positioning block 43, wherein the adjusting knob 51 needs to be pressed when the first pin 44 is penetrated, the clamping hook 522 is required to avoid the first pin 44.

As shown in fig. 1 to 4, the fixing frame 10 includes a fixing base plate 11 and a guide post 12 connected to the fixing base plate 11, a connecting groove 121 extending along a length direction of the guide post 12 is provided on the guide post 12, the mounting frame 20 includes a mounting plate 23, the locking structure 30 includes a slide block 31 and a locking knob 32, the mounting plate 23 is clamped between the slide block 31 and the locking knob 32, the slide block 31 is arranged on the guide post 12 in a penetrating manner, the locking knob 32 includes a knob head 321 and a connecting stud 322 connected with the knob head 321, the connecting stud 322 passes through the mounting plate 23 and the slide block 31, corresponds to a side wall of the connecting groove 121 and is in butt fit with a groove bottom of the connecting groove 121, and the mounting plate 23 is clamped between the knob head 321 and the side wall of the slide block 31, which corresponds to the connecting groove 121. When an operator needs to adjust the position of the mounting frame 20 relative to the fixing frame 10, the locking knob 32 is unscrewed, and after the position of the mounting frame 20 is determined, the locking knob 32 is screwed down to fix the mounting frame 20 on the fixing frame 10. Specifically, after tightening the locking knob 32, the connecting stud 322 abuts against the bottom of the connecting groove 121 and clamps the bottom wall of the connecting groove 121 between the connecting stud 322 and the slider 31.

As shown in fig. 1, the number of the fixing frames 10 is two, the mounting frame 20 includes two mounting plates 23, and the number of the locking structures 30 is also two, and the two mounting plates 23 are respectively connected with the two fixing frames 10 through the two locking structures 30.

As shown in fig. 1, a scale is provided on the side of the guide post 12, and a slide block 31 has a number indicating window corresponding to the scale, through which an operator can determine the elevation height of the mounting frame 20.

As shown in fig. 6, the osteotomy guide of this embodiment may be mounted on distractor 60. Wherein, the spreader 60 can be used for realizing soft tissue balance of knee joint, the spreader 60 is provided with a sizing plate and a lower sizing plate, the sizing plate can be divided into a left part and a right part which are respectively positioned at the inner side and the outer side of the femur of a patient, and the sizing plate can perform lifting movement relative to the lower sizing plate under the action of the lifting rod.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An osteotomy guiding device, comprising:

a fixing frame (10);

the mounting frame (20) is arranged on the fixing frame (10) in a lifting manner;

a locking structure (30) connected between the mount (10) and the mounting bracket (20) to lock the mounting bracket (20) to the mount (10);

the locating part (40), locating part (40) rotationally sets up in mounting bracket (20), be provided with first perforation group (41) and second perforation group (42) on locating part (40), the extending direction of first perforation group (41) intersect in the extending direction of second perforation group (42), the pitch of first perforation group (41) is different with the pitch of second perforation group (42).

2. The osteotomy guiding device of claim 1, further comprising an adjustment assembly (50), the adjustment assembly (50) being disposed on the mounting frame (20) and cooperating with the positioning portion (40), the adjustment assembly (50) having an adjustment state and a locking state, the positioning portion (40) being rotatable relative to the mounting frame (20) when the adjustment assembly (50) is in the adjustment state, the positioning portion (40) being fixedly disposed relative to the mounting frame (20) when the adjustment assembly (50) is in the locking state.

3. Osteotomy guiding device according to claim 2, wherein the positioning portion (40) comprises a positioning block (43) and a first pin (44) and a second pin (45) arranged at both ends of the positioning block (43), respectively, wherein the first through hole group (41) and the second through hole group (42) are arranged on the positioning block (43), and the positioning block (43) is rotatably connected with the mounting frame (20) by means of the first pin (44) and the second pin (45).

4. The osteotomy guiding device according to claim 3, wherein the mounting frame (20) comprises a frame portion (21), the frame portion (21) comprises a top plate (211) and a first side plate (212) and a second side plate (213) connected to two ends of the top plate (211), the positioning block (43) is located in an installation space formed by surrounding the top plate (211), the first side plate (212) and the second side plate (213), the first pin shaft (44) is arranged on the first side plate (212) in a penetrating manner, and the second pin shaft (45) is arranged on the second side plate (213) in a penetrating manner.

5. Osteotomy guiding device according to claim 3 or 4, wherein the mounting frame (20) is provided with mounting grooves (22), the adjusting assembly (50) comprises an adjusting knob (51) movably penetrating the mounting grooves (22) and a clamping piece (52) connected to the adjusting knob (51), the first pin shaft (44) is provided with a plurality of locking holes (441) arranged at intervals along the circumferential direction thereof, when the adjusting assembly (50) is in the locked state, the end of the clamping piece (52) is inserted into one of the locking holes (441), and when the adjusting assembly (50) is in the adjusted state, the clamping piece (52) and all the locking holes (441) are equally arranged.

6. The osteotomy guiding device of claim 5, wherein the positioning block (43) is a prism, the positioning block (43) comprises a first side (431), a second side (432), a third side (433) and a fourth side (434), the first side (431) is arranged parallel to the second side (432), a first set of through holes (41) is through and perpendicular to the first side (431) and the second side (432), the third side (433) is arranged parallel to the fourth side (434), a second set of through holes (42) is through and perpendicular to the third side (433) and the fourth side (434), and a plurality of the locking holes (441) comprises a first locking hole (4411) parallel to the first set of through holes (41) and a second locking hole (4412) parallel to the second set of through holes (42).

7. The osteotomy guiding device of claim 5, wherein the adjustment assembly (50) further comprises a reset member (53) disposed between the mounting slot (22) and the adjustment knob (51) to maintain the adjustment assembly (50) in the locked state.

8. Osteotomy guiding device according to claim 7, wherein the end of the adjusting knob (51) close to the bottom wall of the mounting groove (22) is provided with a mounting hole (511), the restoring member (53) is a compression spring arranged in the mounting hole (511), the clamping member (52) comprises a connecting arm (521) and a clamping hook (522) connected with the connecting arm (521), the end of the clamping hook (522) extends towards the adjusting knob (51), and the first pin (44) is located between the clamping hook (522) and the adjusting knob (51).

9. Osteotomy guiding device according to claim 5, wherein the adjusting knob (51) is provided with a guiding groove (512), the guiding groove (512) extends along the movement direction of the adjusting knob (51), the adjusting assembly (50) further comprises a limiting pin (54) penetrating the mounting frame (20) and the guiding groove (512), and the length direction of the limiting pin (54) is perpendicular to the movement direction of the adjusting knob (51).

10. Osteotomy guiding device according to any of claims 1 to 4, characterized in that the holder (10) comprises a fixed bottom plate (11) and a guiding post (12) connected to the fixed bottom plate (11), the guiding post (12) is provided with a connecting slot (121) extending along its length direction, the holder (20) comprises a mounting plate (23), the locking structure (30) comprises a slider (31) and a locking knob (32), the mounting plate (23) is clamped between the slider (31) and the locking knob (32), the slider (31) is threaded through the guiding post (12), the locking knob (32) comprises a knob head (321) and a connecting stud (322) connected to the knob head (321), the connecting stud (322) is threaded through the mounting plate (23) and the side wall of the slider (31) corresponding to the connecting slot (121) and is in abutting engagement with the slot bottom of the connecting slot (121), and the mounting plate (23) is clamped between the slider head (321) and the side wall of the slider (31) corresponding to the connecting slot (121).