Olecranon osteotomy guide plate

Abstract

The invention provides an ulna olecranon osteotomy guide plate, and relates to the technical field of medical instruments, the ulna olecranon osteotomy guide plate comprises a strip-shaped positioning plate, a fixing mechanism is mounted at the top of the strip-shaped positioning plate, an adjusting mechanism is mounted at the bottom of the strip-shaped positioning plate, a guide mechanism is mounted on the front side of the strip-shaped positioning plate, and the fixing mechanism comprises a positioning block; the positioning mechanism comprises a positioning block, protruding blocks are fixedly connected to the two sides of the positioning block, L-shaped first anti-disengaging blocks are fixedly connected to the positions, close to the top, of the two sides of the protruding blocks, first circular kirschner wire positioning holes are formed in the opposite side faces of the first anti-disengaging blocks in a penetrating mode, the adjusting mechanism comprises a moving block, and sliding adjusting blocks are fixedly connected to the two sides of the moving block; by means of the design, V-shaped osteotomy guiding can be effectively conducted on the ulna olecranon operation, and therefore the success rate of the ulna olecranon osteotomy operation is effectively guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, in particular to an ulna olecranon osteotomy guide plate. Background Art

[0002] In the surgical treatment of distal humeral fractures, since most of the distal humeral articular surface is covered by the olecranon, the olecranon osteotomy is often performed first to fully expose the distal humeral articular surface, and internal fixation treatment is performed after reduction. In the prior art, the commonly used osteotomy technique uses a bone knife or an oscillating saw to perform a V-shaped osteotomy or a transverse osteotomy. Compared with the transverse osteotomy, the V-shaped osteotomy is more stable after surgery and is more conducive to the healing of the osteotomy site, but the operation is more difficult than the transverse osteotomy. In order to ensure the success rate of the V-shaped osteotomy, which is more conducive to surgical exposure, postoperative stability and healing of the osteotomy site, a V-shaped guide plate is needed for guidance. Therefore, we propose an olecranon osteotomy guide plate. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings existing in the prior art. The olecranon is a trochlear notch with a semilunar depression at the proximal end of the ulna, and there are two protrusions at the upper and lower ends of the notch, and the upper protrusion is the olecranon. The olecranon may be fractured due to direct violence, and after the olecranon is fractured, surgical treatment is required. During the operation, the olecranon needs to be osteotomized, and during the osteotomy of the pubic olecranon, medical staff need to fix it, and the common fixation is fixation through Kirschner wire positioning. After the Kirschner wire is positioned, the doctor needs to cut the osteotomy position, and in the osteotomy operation, V-shaped osteotomy is better than transverse osteotomy, and compared with transverse osteotomy, V-shaped osteotomy is more difficult to operate than transverse osteotomy, and in order to ensure the success rate of V-shaped osteotomy without damaging the ulna, it is necessary to use a V-shaped guide plate for guidance.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: The ulna olecranon osteotomy guide plate comprises a strip-shaped positioning plate, a fixing mechanism is installed on the top of the strip-shaped positioning plate, an adjusting mechanism is installed on the bottom of the strip-shaped positioning plate, and a guiding mechanism is installed on the front of the strip-shaped positioning plate; The fixing mechanism comprises a positioning block, protruding blocks are fixedly connected to both sides of the positioning block, first L-shaped anti-dropping blocks are fixedly connected to both sides of the protruding block near the top, and first circular Kirschner wire positioning holes are penetrated through opposite sides of the first anti-dropping block; The adjustment mechanism includes a moving block, sliding adjustment blocks are fixedly connected to both sides of the moving block, and L-shaped second anti-dropping blocks are fixedly connected to both sides of the sliding adjustment block near the bottom, and a circular second Kirschner wire positioning hole is provided on the opposite side of the second anti-dropping block, and a plurality of first fixing holes are equidistantly provided on both sides of the sliding adjustment block, and threads are provided inside the first fixing holes, and a sliding groove is provided on the periphery of the moving block and at the bottom of the strip positioning plate, and a limited sliding groove is provided on the periphery of the sliding adjustment block and at the bottom of the strip positioning plate; The guide mechanism includes a guide plate, the back of which is fixedly connected to a limiting assembly, the front of the guide plate is clamped with a connecting block near the center, both sides of the connecting block are fixedly connected to guide rollers, and the guide rollers are provided with guide openings on the side away from the connecting blocks, the guide rollers and the guide openings are at an angle of thirty degrees to the guide plate, and the back of the guide plate fits the front of the strip positioning plate.

[0005] As a preferred solution of the present invention, first connecting holes are opened on both sides of the strip positioning plate near the bottom, and a first fixing piece is clamped inside the first connecting hole. The first connecting hole and the first fixing hole have the same aperture, and the first fixing piece passes through the first connecting hole and intersects with the first fixing hole thread.

[0006] The technical effect of adopting the above further scheme is: through the setting of the first connecting hole, the first connecting hole can effectively correspond to the first fixing hole, so that the first connecting hole and the first fixing hole are limited by the first fixing member, and the moving block can be effectively limited and fixed by the limitation.

[0007] As a preferred solution of the present invention, adjustment grooves are provided on both sides of the strip positioning plate, and fixed grooves are symmetrically provided on the front side of the strip positioning plate. The adjustment grooves are consistent in length with the fixed grooves, and the fixed grooves are connected with the adjustment grooves.

[0008] As a preferred solution of the present invention, the limit assembly includes an adjusting slider fixed to the guide plate, a second fixing hole is symmetrically opened on the surface of the adjusting slider, and the adjusting slider is slidably connected to the adjusting slot.

[0009] The technical effect of adopting the above-mentioned further scheme is: through the setting of the limit component, the limit component can effectively slide inside the adjusting groove, and by sliding inside the adjusting groove, the position of the guide plate on the strip positioning plate can be effectively adjusted. In this way, by adjusting the position of the guide plate, the position of the connecting block and the guide roller can be moved, so that it is convenient to move the guide roller and the guide port to the position where osteotomy is required, thereby facilitating osteotomy surgery.

[0010] As a preferred solution of the present invention, second connecting holes are opened through the top and bottom of the front side of the guide plate, a second fixing piece is inserted into the inside of the second connecting hole, the aperture of the second connecting hole is consistent with the aperture of the second fixing hole, the second fixing piece passes through the second connecting hole and intersects with the second fixing hole thread, and the second fixing piece passes through the second fixing hole and is engaged with the adjustment slot.

[0011] As a preferred solution of the present invention, three third fixing holes are equidistantly provided on the front side of the guide plate near the center, and three third connecting holes are equidistantly provided on the front side of the connecting block, and the third connecting holes correspond to the third fixing holes, and a third fixing piece is installed inside the third connecting hole, and the third fixing piece passes through the third connecting hole and intersects with the thread of the third fixing hole.

[0012] The technical effect of adopting the above-mentioned further scheme is: through the setting of the third connecting hole and the third fixing piece, the third fixing piece can pass through the third connecting hole and intersect with the third fixing hole thread, so that the connecting block and the guide plate can be effectively fixed together, and the stability of the guide roller can be effectively guaranteed by fixation, so that during the operation, the guide will not be offset.

[0013] As a preferred solution of the present invention, the strip positioning plate is arranged in an arc shape, and the positioning block and the moving block are arranged in an arc shape.

[0014] As a preferred solution of the present invention, the moving block is adapted and engaged with the sliding slot, and the sliding adjustment block is also adapted and engaged with the limiting sliding slot.

[0015] The technical effect of adopting the above further scheme is: through the adaption and snap connection between the moving block and the sliding groove, and the adaption and snap connection between the sliding adjustment block and the limiting groove, it can effectively prevent the moving block and the sliding adjustment block from shaking back and forth inside the sliding groove and the limiting groove, causing unstable fixation.

[0016] As a preferred solution of the present invention, the first K-wire locating hole is snap-fitted with the K-wire adapter, the aperture of the second K-wire locating hole is consistent with the aperture of the first K-wire locating hole, and the second K-wire locating hole is also snap-fitted with the K-wire adapter.

[0017] As a preferred solution of the present invention, the first anti-slip blocks are located on both sides of the ulna, and the second anti-slip blocks are also located on both sides of the ulna.

[0018] The technical effect of adopting the above further scheme is: by locating the first anti-dropout block and the second anti-dropout block on both sides of the ulna, the device can be effectively fixed on both sides of the ulna. In this way, compared with the traditional Kirschner wire directly inserted into the ulna for fixation, this bilateral fixation method can better fix the device.

[0019] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, through the setting of the fixing mechanism and the adjusting mechanism, in the fixing mechanism, the positioning block can locate the olecranon of the guide ulna, so as to facilitate the positioning and installation of the equipment, and the first anti-dropping block and the second anti-dropping block can be located on both sides of the ulna. In this way, the Kirschner wire is fixed into the ulna from both sides, which can effectively enhance the fixing effect and make the fixation more stable. The sliding of the moving block, the sliding adjustment block, the sliding groove and the limiting sliding groove in the adjusting mechanism can effectively adjust the length of the moving block, so as to facilitate the adjustment according to the ulna of different age groups and make the fixing effect better. The first fixing hole can effectively fix the adjusted length of the moving block through the first fixing piece and the first connecting hole to prevent the moving block from being unstable.

[0020] 2. In the present invention, through the setting of the guide mechanism, the limit assembly in the guide mechanism can effectively move inside the adjustment slide groove, so that the guide plate, the connecting block and the guide roller can be driven to move according to the position where the doctor needs to perform the V-shaped osteotomy. Through the displacement, the guide roller is adjusted to the position where the osteotomy is required. It is very flexible and can effectively ensure the osteotomy effect. The second fixing member can effectively fix the guide plate and the limit assembly through the second connecting hole and the second fixing hole, thereby effectively ensuring that the position of the guide roller cannot move during the cutting process, thereby ensuring the smooth operation. The angle between the guide roller and the guide port and the guide plate is thirty degrees, which can effectively make the guide roller and the guide port guide the V-shaped cut, effectively improving the success rate of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the olecranon osteotomy guide plate of the present invention; Figure 2 This is a schematic diagram of the fixing structure of the ulna olecranon osteotomy guide plate of the present invention; Figure 3 This is a schematic diagram of the structure of the guide mechanism of the olecranon osteotomy guide plate of the present invention; Figure 4 This is a schematic diagram of the structure of the olecranon osteotomy guide plate connection block of the present invention; Figure 5 This is a schematic diagram of the structure of the guide mechanism of the olecranon osteotomy guide plate of the present invention; Figure 6 It is a schematic diagram of the structure of the sliding groove of the ulna olecranon osteotomy guide plate of the present invention.

[0022] Legend: 1. Strip positioning plate; 11. First connecting hole; 12. First fixing member; 13. Adjusting slide groove; 14. Fixing groove; 2. Fixing mechanism; 21. Positioning block; 22. Protruding block; 23. First anti-dropping block; 24. First Kirschner wire positioning hole; 3. Adjustment mechanism; 31. Moving block; 32. Sliding adjustment block; 33. Second anti-drop block; 34. Second Kirschner wire positioning hole; 35. First fixing hole; 36. Sliding slot; 37. Limiting slot; 4. Guide mechanism; 41. Guide plate; 411. Second connecting hole; 412. Second fixing piece; 413. Third fixing hole; 42. Limiting assembly; 421. Adjusting slider; 422. Second fixing hole; 43. Connecting block; 431. Third connecting hole; 432. Third fixing piece; 44. Guide roller; 45. Guide opening. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to related references, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items. Example

[0027] like Figure 1-6As shown, the present invention provides a technical solution: an ulna olecranon osteotomy guide plate comprises a strip positioning plate 1, a fixing mechanism 2 is installed on the top of the strip positioning plate 1, an adjusting mechanism 3 is installed on the bottom of the strip positioning plate 1, a guiding mechanism 4 is installed on the front of the strip positioning plate 1, the fixing mechanism 2 comprises a positioning block 21, protruding blocks 22 are fixedly connected to both sides of the positioning block 21, and both sides of the protruding blocks 22 are fixedly connected with L-shaped first anti-slipping blocks 23 near the top, and the first anti-slipping blocks 23 are penetrated on the opposite side thereof and provided with a circular first Kirschner wire positioning hole 24, and the first Kirschner wire positioning hole 24 is convenient for positioning, so as to facilitate fixing the Kirschner wire in the patient's ulna, and the adjusting mechanism 3 comprises a moving block 31, a sliding adjusting block 32 is fixedly connected to both sides of the moving block 31, and both sides of the sliding adjusting block 32 are fixedly connected with L-shaped second anti-slipping blocks 33 near the bottom, and the second anti-slipping blocks 33 are provided with a circular second Kirschner wire positioning hole 34 on the opposite side thereof, A plurality of first fixing holes 35 are equidistantly provided on both sides of the sliding adjustment block 32, and threads are provided inside the first fixing holes 35. A sliding groove 36 is provided on the periphery of the movable block 31 and at the bottom of the strip positioning plate 1. A limiting sliding groove 37 is provided on the periphery of the sliding adjustment block 32 and at the bottom of the strip positioning plate 1. The guide mechanism 4 includes a guide plate 41, the back of which is fixedly connected to the limiting assembly 42, and a connecting block 43 is clamped on the front of the guide plate 41 near the center. Guide rollers 44 are fixedly connected on both sides of the connecting block 43, and a guide opening 45 is provided on the side of the guide roller 44 away from the connecting block 43. The guide opening 45 facilitates the doctor to perform a V-shaped osteotomy on the ulna olecranon. The angles of the guide roller 44 and the guide opening 45 with the guide plate 41 are both thirty degrees. The back of the guide plate 41 fits the front of the strip positioning plate 1, and the back of the guide plate 41 fits the front of the strip positioning plate 1 to ensure that the guide plate 41 slides more smoothly. Example

[0028] like Figure 1-6 As shown, first connecting holes 11 are opened on both sides of the strip positioning plate 1 near the bottom, and a first fixing member 12 is clamped inside the first connecting hole 11. The aperture of the first connecting hole 11 is consistent with that of the first fixing hole 35, and the first fixing member 12 passes through the first connecting hole 11 and intersects with the thread of the first fixing hole 35, which can effectively fix the position of the moving block 31.

[0029] Adjustment grooves 13 are provided on both sides of the strip positioning plate 1, and fixed grooves 14 are symmetrically provided on the front side of the strip positioning plate 1. The adjustment grooves 13 are consistent in length with the fixed grooves 14, and the fixed grooves 14 are connected to the adjustment grooves 13. The position of the guide mechanism 4 can be effectively adjusted by adjusting the grooves 13, thereby facilitating the guide mechanism 4 to guide the osteotomy position.

[0030] The limiting component 42 includes an adjusting slider 421 fixedly connected to the guide plate 41. A second fixing hole 422 is symmetrically opened on the surface of the adjusting slider 421. The adjusting slider 421 is slidably connected to the adjusting slot 13. The limiting component 42 cooperates with the second fixing member 412 to effectively limit the guide plate 41.

[0031] A second connecting hole 411 is formed through the top and bottom of the front side of the guide plate 41, and a second fixing member 412 is inserted into the inside of the second connecting hole 411. The aperture of the second connecting hole 411 is consistent with the aperture of the second fixing hole 422. The second fixing member 412 passes through the second connecting hole 411 and intersects with the second fixing hole 422 through a thread. After the second fixing member 412 passes through the second fixing hole 422, it is clamped with the adjusting slot 13, and the second fixing member 412 can effectively play a fixing effect.

[0032] Three third fixing holes 413 are equidistantly provided on the front side of the guide plate 41 near the center, and three third connecting holes 431 are equidistantly provided on the front side of the connecting block 43. The third connecting holes 431 correspond to the third fixing holes 413, and a third fixing member 432 is installed inside the third connecting hole 431. The third fixing member 432 passes through the third connecting hole 431 and intersects with the third fixing hole 413 through a thread. The third fixing member 432 can conveniently fix the guide plate 41 and the connecting block 43 together through the third fixing hole 413 and the third connecting hole 431.

[0033] The strip-shaped positioning plate 1 is arranged in an arc shape, and the positioning block 21 and the moving block 31 are arranged in an arc shape.

[0034] The moving block 31 is adapted and engaged with the sliding groove 36 , and the sliding adjustment block 32 is also adapted and engaged with the limiting sliding groove 37 , and the arc shape is convenient for fitting on the surface of the ulna.

[0035] The first K-wire positioning hole 24 is snap-fitted with the K-wire adapter, the aperture of the second K-wire positioning hole 34 is consistent with the aperture of the first K-wire positioning hole 24, and the second K-wire positioning hole 34 is also snap-fitted with the K-wire adapter, the first K-wire positioning hole 24 and the second K-wire positioning hole 34 facilitate positioning of the K-wire.

[0036] The first anti-dropout block 23 is located on both sides of the ulna, and the second anti-dropout block 33 is also located on both sides of the ulna, which can ensure the fixing effect. By locating the first anti-dropout block 23 and the second anti-dropout block 33 on both sides of the ulna, the Kirschner wire can be effectively and conveniently fixed in the ulna from both sides, thus effectively ensuring the fixing effect.

[0037] The workflow of the present invention is as follows: when using the ulnar olecranon osteotomy guide, first, the doctor takes out the device during surgery, and after taking it out, places the positioning block 21 in the fixing mechanism 2 at the position of the ulnar olecranon. When the positioning block 21 is placed, the first anti-dropping blocks 23 on both sides of the protruding block 22 are located on both sides of the ulna. At this time, the doctor takes out the Kirschner wire and fixes the Kirschner wire to the inside of the patient's ulna through the first Kirschner wire positioning hole 24. After completion, the doctor adjusts the position of the moving block 31 according to the length of the patient's ulna. During the adjustment process, the doctor pulls the moving block 31, and the moving block 31 is pulled. When the moving block 31 slides inside the sliding groove 36, the sliding adjustment block 32 also slides in the limiting sliding groove 37 to ensure the stability of the sliding. When the position of the moving block 31 is adjusted to a suitable length, the first fixing holes 35 on both sides of the sliding adjustment block 32 are aligned with the first connecting holes 11 on both sides of the strip positioning plate 1. After alignment, the first fixing member 12 is taken out, and the first fixing member 12 is passed through the first connecting hole 11 and the first fixing hole 35 to be tightened. After tightening, the moving block 31 is fixed. Subsequently, the doctor moves the adjusting slider 421 to adjust the sliding groove 1 3, the guide plate 41 is driven to move to the position where osteotomy is required by moving the position of the adjusting slider 421, and after it is moved into place, the second fixing member 412 is taken out, and when the second fixing member 412 is taken out, the doctor passes it through the second connecting hole 411, and after passing through the second connecting hole 411, the second fixing member 412 passes through the fixing groove 14, and finally the second fixing member 412 is screwed into the second fixing hole 422, and then the second fixing member 412 is screwed in, and the second fixing member 412 passes through the second fixing hole 422, and finally the second fixing member 412 is restricted by the adjusting slide groove 13 and cannot move forward After the doctor takes out the connecting block 43 and the third fixing member 432, aligns the third connecting hole 431 on the front of the connecting block 43 with the third fixing hole 413 on the guide plate 41, and then passes the third fixing member 432 through the third connecting hole 431 and the third fixing hole 413 and tightens them. At this time, the guide port 45 of the guide roller 44 is located on the surface of the ulnar olecranon that needs to be V-shaped osteotomy. At this time, the doctor can perform osteotomy. The present invention can effectively guide the V-shaped osteotomy of the ulnar olecranon surgery through design, thereby effectively ensuring the success rate of the ulnar olecranon osteotomy surgery.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ulna olecranon osteotomy guide plate, comprising a strip-shaped positioning plate (1), characterized in that: A fixing mechanism (2) is installed on the top of the strip-shaped positioning plate (1), an adjusting mechanism (3) is installed on the bottom of the strip-shaped positioning plate (1), and a guiding mechanism (4) is installed on the front of the strip-shaped positioning plate (1); The fixing mechanism (2) comprises a positioning block (21), protruding blocks (22) are fixedly connected to both sides of the positioning block (21), first L-shaped anti-slipping blocks (23) are fixedly connected to both sides of the protruding block (22) near the top, and first circular Kirschner wire positioning holes (24) are penetrated through opposite sides of the first anti-slipping blocks (23); The adjustment mechanism (3) comprises a moving block (31), the two sides of the moving block (31) are fixedly connected with sliding adjustment blocks (32), the two sides of the sliding adjustment block (32) are fixedly connected with L-shaped second anti-slipping blocks (33) near the bottom, the opposite side of the second anti-slipping blocks (33) are provided with circular second Kirschner wire positioning holes (34), the two sides of the sliding adjustment block (32) are equidistantly provided with a plurality of first fixing holes (35), the interiors of the first fixing holes (35) are provided with threads, the outer periphery of the moving block (31) and located at the bottom of the strip positioning plate (1) is provided with a sliding groove (36), and the outer periphery of the sliding adjustment block (32) and located at the bottom of the strip positioning plate (1) is provided with a limiting sliding groove (37); The guide mechanism (4) comprises a guide plate (41), the back side of the guide plate (41) is fixedly connected to a limiting assembly (42), the front side of the guide plate (41) is clamped with a connecting block (43) near the center, both sides of the connecting block (43) are fixedly connected to guide rollers (44), the side of the guide roller (44) away from the connecting block (43) is provided with a guide opening (45), the angle between the guide roller (44) and the guide opening (45) and the guide plate (41) is thirty degrees, and the back side of the guide plate (41) is in contact with the front side of the strip positioning plate (1).

2. The ulna olecranon osteotomy guide according to claim 1, characterized in that: First connection holes (11) are provided on both sides of the strip positioning plate (1) near the bottom, a first fixing member (12) is clamped inside the first connection hole (11), the first connection hole (11) and the first fixing hole (35) have the same hole diameter, and the first fixing member (12) passes through the first connection hole (11) and intersects with the first fixing hole (35) thread.

3. The ulna olecranon osteotomy guide according to claim 1, characterized in that: Adjustment slots (13) are provided on both sides of the strip positioning plate (1), and fixing slots (14) are symmetrically provided on the front side of the strip positioning plate (1). The adjustment slots (13) and the fixing slots (14) are of the same length, and the fixing slots (14) are connected to the adjustment slots (13).

4. The ulna olecranon osteotomy guide according to claim 3, characterized in that: The limiting assembly (42) comprises an adjusting slider (421) fixedly connected to the guide plate (41), a second fixing hole (422) symmetrically extending through the surface of the adjusting slider (421), and the adjusting slider (421) is slidably connected to the adjusting slide groove (13).

5. The ulna olecranon osteotomy guide according to claim 4, characterized in that: The guide plate (41) is provided with a second connecting hole (411) at the top and bottom of the front side, a second fixing member (412) is inserted into the inside of the second connecting hole (411), the aperture of the second connecting hole (411) is consistent with the aperture of the second fixing hole (422), the second fixing member (412) passes through the second connecting hole (411) and intersects with the thread of the second fixing hole (422), and the second fixing member (412) passes through the second fixing hole (422) and is engaged with the adjusting slide groove (13).

6. The ulna olecranon osteotomy guide according to claim 1, characterized in that: The front side of the guide plate (41) is provided with three third fixing holes (413) at equal intervals near the center, and the front side of the connecting block (43) is provided with three third connecting holes (431) at equal intervals, the third connecting holes (431) corresponding to the third fixing holes (413), a third fixing piece (432) is installed inside the third connecting hole (431), and the third fixing piece (432) passes through the third connecting hole (431) and intersects with the thread of the third fixing hole (413).

7. The ulna olecranon osteotomy guide according to claim 1, characterized in that: The strip-shaped positioning plate (1) is arranged in an arc shape, and the positioning block (21) and the moving block (31) are both arranged in an arc shape.

8. The ulna olecranon osteotomy guide according to claim 1, characterized in that: The moving block (31) is adapted and engaged with the sliding groove (36), and the sliding adjustment block (32) is also adapted and engaged with the limiting sliding groove (37).

9. The ulna olecranon osteotomy guide according to claim 1, characterized in that: The first Kirschner wire positioning hole (24) is snap-fitted with the Kirschner wire, the aperture of the second Kirschner wire positioning hole (34) is consistent with the aperture of the first Kirschner wire positioning hole (24), and the second Kirschner wire positioning hole (34) is also snap-fitted with the Kirschner wire.

10. The ulna olecranon osteotomy guide according to claim 1, characterized in that: The first anti-slip blocks (23) are located on both sides of the ulna, and the second anti-slip blocks (33) are also located on both sides of the ulna.

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