CN214414898U - Bone plate set for external fracture of tibial plateau - Google Patents

Abstract

The utility model discloses a bone plate set for fracture of outer side of tibial plateau, which comprises a fracture plate set for fracture of outer side of tibial plateau and a T-shaped bone plate set; the T-shaped bone fracture plate comprises a longitudinal strip-shaped plate body, a first arc-shaped plate and a second arc-shaped plate, wherein the first arc-shaped plate and the second arc-shaped plate respectively extend towards two sides of the plate body in the width direction at the first end of the plate body, the first arc-shaped plate and the second arc-shaped plate are both bent towards the first side face of the plate body, the first arc-shaped plate and the second arc-shaped plate are matched with the outer side column at the upper end of a tibia and the curved surface of part of the rear side column, and a plurality of fixing screw holes are uniformly distributed on the first arc-shaped plate, the second arc-shaped plate and the plate body; a plurality of Kirschner wire fixing holes are also formed in the second arc-shaped plate. The utility model provides a bone plate group can be applicable to the outer outside fracture of tibial plateau of all types, if the tibial plateau outside is smashed fracture and is merged the platform and sink, outside bone block fracture after Schatzker II type fracture merges.

Description

Bone plate set for external fracture of tibial plateau

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to bone plate group for fracture of tibial plateau outside.

Background

The upper end of the tibia and the lower end of the femur form a knee joint, the contact surface of the tibia and the lower end of the femur is a tibial plateau, and the tibial plateau is an important load structure of the knee joint. In knee joint injuries, tibial plateau consolidation is common, with the highest incidence of lateral tibial plateau fractures. In the treatment of tibial plateau fracture, accurate reduction and effective fixation are required to ensure that the knee joint function can be well restored.

In clinical work, complex tibial plateau fractures often involve multiple fractures at the same time, for example, in some patients, lateral tibial plateau fractures, including both posterolateral and anterolateral fractures (e.g., anterolateral cleft fractures), and even some cases, lateral tibial plateau crush fractures and plateau collapse. In the face of such complex fractures of the lateral tibial plateau, it is difficult to reposition and fix the tibial plateau with a single steel plate. Therefore, at present, clinically, two or more different steel plates are generally placed in a posterior approach and an anterolateral approach, and although the method has good fixing effect, the operation trauma is large, the postoperative infection risk is obviously increased, and the postoperative recovery of the knee joint function is seriously influenced. When the exposed posterior column fracture block is implanted into the posterior side bone plate, the anatomical structure is complicated due to the close proximity of nerve vessels, increasing the difficulty of the operation and the risks in the operation.

Therefore, for the lateral tibial plateau fracture, especially for the complex lateral tibial plateau fracture, how to realize the effective fixation of the entire lateral tibial plateau under the condition of small trauma is a clinically urgent technical problem to be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve clinically, to the fracture of tibial plateau outside, especially the fracture of tibial plateau outside complexity, can't compromise the less and whole effective fixed technical problem in the tibial plateau outside of wound, the utility model provides a bone plate group for the fracture of tibial plateau outside.

The utility model relates to a bone plate set for fracture of outer side of tibial plateau, which comprises a fracture plate set for fracture of outer side of tibial plateau and a T-shaped bone plate set; the tibia platform posterolateral fracture bone fracture plate comprises a straight plate and an inclined plate, wherein the straight plate and the inclined plate are both in a long strip shape, the inclined plate is connected to the upper end of the straight plate, the plate surface of the inclined plate extends obliquely towards the obliquely upper side of the plate surface of the straight plate, the inclined angle of the plate surface of the inclined plate is matched with the curved surface of the posterolateral side of the upper end of a tibia, and 2-4 fixing screw holes are uniformly distributed in the straight plate along the length direction of the straight plate; the T-shaped bone fracture plate comprises a longitudinal strip-shaped plate body, a first arc-shaped plate and a second arc-shaped plate, wherein the first arc-shaped plate and the second arc-shaped plate respectively extend towards two sides of the plate body in the width direction at the first end of the plate body, the first arc-shaped plate and the second arc-shaped plate are bent towards the first side face of the plate body, the first arc-shaped plate and the second arc-shaped plate are matched with the curved surfaces of the outer side column at the upper end of the tibia and part of the rear side column, and a plurality of fixing screw holes are uniformly distributed on the first arc-shaped plate, the second arc-shaped plate and the plate body; and a plurality of Kirschner wire fixing holes are also formed in the second arc-shaped plate.

The utility model provides a bone plate group for shin bone platform outside fracture, when using, shin bone platform back outside fracture coaptation board and T type coaptation board all thereby patient's anterolateral operation incision is put into, and shin bone platform back outside fracture coaptation board carries out effectual fixed to the back outside fracture, wherein first arc and second arc among them of T type coaptation board cover outside post and partial rear side post, therefore can play fine fixed action to the anterolateral fracture, and can pull the back outside bone piece after hitting the screw on the screw hole that lies in shin bone platform anterolateral side, thereby compensate the shortcoming that shin bone platform back outside fracture coaptation board does not have the fixed back outside bone piece of screw, and can realize that shin bone platform anterolateral bone piece is rebuilt; the utility model provides a bone plate group opens a preceding outside approach on patient's shank and can accomplish to place therefore the wound less, the utility model provides a bone plate group can be applied to the outer outside fracture of tibial plateau of all types, for example the tibial plateau outside is smashed the fracture and is merged the platform and sink, and outer side bone fragment fracture after Schatzker II type fracture merges.

Furthermore, the screw hole on the first arc-shaped plate and the screw hole on the second arc-shaped plate are separated from at least one screw hole in the length direction of the plate body. In the arrangement, the screw holes in the first arc-shaped plate and the second arc-shaped plate have height difference, so that a certain distance is reserved between the screws penetrating into the first arc-shaped plate and the second arc-shaped plate in height, and mutual interference between the screws is avoided.

Further, the set screw hole in the first arcuate plate includes two locking screw holes.

Further, the length of the first arc-shaped plate is 18mm-22mm, and the length of the second arc-shaped plate is 33mm-37 mm; the width of the first arc-shaped plate and the width of the second arc-shaped plate are 11mm-13 mm. In the arrangement, the specific sizes of the first arc-shaped plate and the second arc-shaped plate are specifically limited, so that the T-shaped bone fracture plate has better correspondence with the size of the tibia of a human.

Furthermore, the board body has a two-section structure in the length direction of the board body, wherein a section close to the first end of the board body is a first section of board body, and a section far away from the first end of the board body is a second section of board body; the first section of the plate body is bent towards the second side face of the plate body relative to the second section of the plate body, and a curved surface formed by bending the first section of the plate body is matched with a tibial curved surface in the middle of the outer side column. In the arrangement, the two-section design of the plate body enables the T-shaped bone fracture plate to be better attached to the side face of the tibia.

Further, the first section of plate body and the second section of plate body are of an integrally formed structure. In this kind of setting, first section body and second section body have strengthened the stability of structure for the integrated into one piece structure.

Furthermore, a common screw hole is formed in the first section of the plate body, a plurality of screw hole groups are formed in the second section of the plate body, and each screw hole group comprises a locking screw hole and a common screw hole. In the arrangement, different screws can be selected to fix the plate body of the T-shaped bone fracture plate at the same position by arranging the locking screw hole and the common screw hole, strong fixation can be achieved by arranging the locking screw hole, and bridging fixation can be achieved under certain conditions, which is similar to the external fixation principle; the common screw hole can enable the steel plate to be more attached to the tibial diaphysis and achieve the pressurizing effect; therefore, the arrangement of the screw hole group can simultaneously meet the dual biomechanical requirements of steel plate fixation and fracture block fixation.

Further, the length of the first section of the plate body is 33mm-37mm, the length of the second section of the plate body is 58mm-62mm, and the width of the first section of the plate body and the width of the second end plate body are both 11mm-13 mm. In the arrangement, the size of the plate body is specifically limited, so that the T-shaped bone fracture plate has better adaptability to the outer side surface of the tibia.

Further, the plate body, the first arc-shaped plate and the second arc-shaped plate are of an integrally formed structure. In the arrangement, the T-shaped bone fracture plate is integrally formed, so that the structural stability is enhanced.

Furthermore, the thickness of the plate body, the first arc-shaped plate and the second arc-shaped plate is 3mm-4 mm.

The utility model provides a bone plate group for shin bone platform outside fracture, when using, shin bone platform back outside fracture coaptation board and T type coaptation board all thereby patient's the preceding outside operation incision is put into, and shin bone platform back outside fracture coaptation board carries out effectual fixed to the back outside fracture, wherein first arc and second arc among them of T type coaptation board cover outside post and partial rear side post, therefore can play fine fixed action to the preceding outside fracture, and can pull the back outside bone piece after hitting the screw on the screw hole that lies in shin bone platform front outside, thereby compensate the shortcoming that shin bone platform back outside fracture coaptation board does not have the screw fixation back outside bone piece, and can realize that shin bone platform front outside bone piece is rebuilt; the screw holes on the first arc-shaped plate and the second arc-shaped plate have height difference, so that a certain distance is reserved between the screws penetrating into the first arc-shaped plate and the second arc-shaped plate in height, and mutual interference between the screws is avoided; the two-section design of the plate body enables the T-shaped bone fracture plate to be better attached to the side face of the tibia.

Drawings

FIG. 1 is a schematic structural view of a tibial plateau posterolateral fracture plate of the prior art;

FIG. 2 is a view taken along line K of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a cross-sectional view B-B of FIG. 1;

fig. 5 is a schematic structural view of a T-shaped bone plate in a bone plate set for lateral tibial plateau fractures according to an embodiment of the present invention;

fig. 6 is a schematic side view of tibia in a state in which the bone plate set for lateral tibial plateau fractures according to an embodiment of the present invention is in use;

fig. 7 is a front view of tibia in a state where the bone plate set for lateral tibial plateau fractures according to an embodiment of the present invention is used;

fig. 8 is a schematic rear view of a tibia in a state where the bone plate set for lateral tibial plateau fractures according to an embodiment of the present invention is in use;

fig. 9 is a schematic top view of a tibia in a state where the bone plate set for lateral tibial plateau fractures according to an embodiment of the present invention is used.

In the figure, 1, a straight plate; 2. a sloping plate; 3. fixing screw holes; 4. a transverse pressurizing hole; 100. a T-shaped bone fracture plate; 110. a board body; 120. a first arc-shaped plate; 130. a second arc-shaped plate; 140. a common screw hole; 150. a locking screw hole; 160. and a kirschner wire fixing hole.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and some structures are not shown in the drawings, which can be derived by those skilled in the art according to the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Currently, there are several common tibial plateau fracture types: AO/OTA typing, Schatzker typing and three-column typing. The three-column type makes up the defect that the former two types do not relate to the fracture of the back side of the tibial plateau. Reference herein to "lateral post" and "posterior post" refers to the structure of the upper end of the tibia in a three-post version. Those skilled in the art will appreciate that further description is omitted herein.

The structure of the "tibial plateau posterolateral fracture plate" referred to in this application is disclosed in patent application No. 201510153844.4, which is incorporated herein in its entirety. The term "fixing screw hole" in the present application is the same concept as the "fixing screw hole" in patent document 201510153844.4 with application number 201510153844.4, and is provided in the steel plate to indicate the driving position of the screw on the steel plate.

Fig. 1 is a schematic structural view of a prior art tibial plateau posterolateral fracture plate, fig. 2 is a view taken along direction K of fig. 1, fig. 3 is a sectional view taken along line a-a of fig. 1, and fig. 4 is a sectional view taken along line B-B of fig. 1. As shown in fig. 1-4, the tibial plateau posterolateral fracture bone fracture plate comprises a straight plate 1 and an inclined plate 2, wherein the straight plate 1 and the inclined plate 2 are both strip-shaped plates, the inclined plate 2 is connected to the upper end of the straight plate 1, the surface of the inclined plate 2 extends obliquely upwards from the surface of the straight plate 1, the inclined angle of the surface of the inclined plate 2 is matched with the curved surface of the upper posterolateral side of a tibia 5, and 2-4 fixing screw holes 3 are uniformly distributed on the straight plate 1 along the length direction of the straight plate 1. Preferably, the straight plate 1 at the joint of the straight plate 1 and the inclined plate 2 is provided with a transverse pressurizing hole 4, the fixing screw hole 3 and the transverse pressurizing hole 4 are in an oblong shape, the edge of the fixing screw hole 3 and the edge of the transverse pressurizing hole 4 are inclined planes from the surface to the inside, the screw cap is in a conical shape, when a screw is screwed in by clinging to the edge of the screw hole, the edges of the fixing screw hole 3 and the transverse pressurizing hole 4 slide from the inclined planes from the surface to the inside to push the bone fracture plate to move, the bone fracture plate drives the fracture block at one side to move, and a pressurizing effect is generated between the fracture blocks; the placing position is that the opening is placed in the front outer side of the shank of the patient, the straight plate 1 is fixed through the bolt after being placed in place, and the inclined angle of the plate surface of the fixed rear inclined plate 2 is matched with the curved surface of the rear outer side of the upper end of the tibia.

This lateral fracture coaptation board behind tibial plateau is less through the damage when the operation, the convenient external operation incision before the convenient conventional of easy and simple to handle is put into, the straight board passes through the fix with screw on the shin bone, the swash plate has avoided influencing the fixed fibula microcephaly that resets of fracture, the back outside complex body, important anatomical structure such as anterior tibial artery, the possibility that causes the damage has significantly reduced, on the straight board of coaptation board and the basis of the special space configuration of swash plate, the horizontal pressurization hole design of first adoption, when the screw is gone into soon in the art, through the slip pressurization principle, the fracture reduction effect can further be improved, strengthen fracture interblock pressure, do benefit to fracture healing and early function exercise more, thereby reach better treatment.

Fig. 5 is a schematic structural diagram of a T-shaped bone plate in a bone plate set for lateral tibial plateau fractures in the present embodiment, as shown in fig. 5, a T-shaped bone plate 100 in the present embodiment includes a longitudinal strip-shaped plate body 110, a first arc-shaped plate 120 and a second arc-shaped plate 130, wherein the first arc-shaped plate 120 and the second arc-shaped plate 130 extend to both sides of the plate body 110 in the width direction at a first end of the plate body 110, and both the first arc-shaped plate 120 and the second arc-shaped plate 130 are bent toward a first side of the plate body 110, the first arc-shaped plate 120 and the second arc-shaped plate 130 are adapted to a curved surface of an outer side column and a portion of a rear side column at an upper end of a tibia, and a plurality of fixing screw holes are distributed on the first arc-shaped plate 120, the second arc-shaped plate 130 and the plate body 110.

The bone plate set for the lateral tibial plateau fracture in the embodiment comprises a posterior lateral tibial plateau fracture bone plate shown in fig. 1-4 and a T-shaped bone plate shown in fig. 5. In order to more clearly express how the bone plate set in the present application is used, a schematic diagram of the bone plate set in the use state in the present embodiment is provided, fig. 6 to fig. 9 are schematic diagrams of the structure of the tibia with the bone plate set at different angles, specifically, fig. 6 is a schematic diagram of the side view of the tibia in the use state of the bone plate set for the external fracture of the tibial plateau in the embodiment of the present invention, fig. 7 is a schematic diagram of the front view of the tibia in the use state of the bone plate set for the external fracture of the tibial plateau, fig. 8 is a schematic diagram of the rear view of the tibia in the use state of the bone plate set for the external fracture of the tibial plateau in the embodiment, and fig. 9 is a schematic diagram of the top view of the tibia in the use state of the bone plate set for the external fracture of the tibial plateau in the present embodiment.

As shown in fig. 5-9, the bone plate set for lateral tibial plateau fractures in the present embodiment includes the tibial plateau posterolateral fracture bone plate and the T-shaped bone plate 100 described above; the tibia platform posterolateral fracture bone fracture plate comprises a straight plate 1 and an inclined plate 2, wherein the straight plate 1 and the inclined plate 2 are both in a long strip shape, the inclined plate 2 is connected to the upper end of the straight plate 1, the plate surface of the inclined plate 2 obliquely extends towards the obliquely upper side of the plate surface of the straight plate 1, the inclined angle of the plate surface of the inclined plate 2 is matched with the curved surface of the posterolateral side of the upper end of a tibia, and 2-4 fixing screw holes are uniformly distributed in the straight plate 1 along the length direction of the straight plate 1; the T-shaped bone plate 100 includes a longitudinal elongated plate body 110, a first arc-shaped plate 120 and a second arc-shaped plate 130, wherein the first arc-shaped plate 120 and the second arc-shaped plate 130 extend to both sides of the plate body 110 in the width direction at the first end of the plate body 110, and the first arc-shaped plate 120 and the second arc-shaped plate 130 are both bent toward the first side of the plate body 110, the first arc-shaped plate 120 and the second arc-shaped plate 130 are matched with the outer side column of the upper end of the tibia and the curved surface of part of the rear side column, and a plurality of fixing screw holes are distributed on the first arc-shaped plate 120, the second arc-shaped plate 130 and the plate body 110.

The first side of the plate body mentioned in the present application is the side of the T-shaped bone plate 100 close to the tibia surface of the human body when the bone plate set is in use, and the second side of the plate body is the side of the plate body 110 opposite to the first side of the plate body.

As shown in fig. 5-9, in the bone plate set for tibial plateau lateral fracture in the present embodiment, in use, the tibial plateau posterolateral fracture bone plate and the T-shaped bone plate 100 are both placed through the anterolateral surgical incision of the patient, and the tibial plateau posterolateral fracture bone plate effectively fixes the posterolateral fracture; the first arc-shaped plate 120 and the second arc-shaped plate 130 of the T-shaped bone fracture plate 100 cover the outer side column and part of the rear side column at the upper end of the tibia, so that a good fixing effect on the front outer side fracture can be achieved, and screws are arranged on fixing screw holes on the front outer side of the tibial plateau (the first arc-shaped plate 120) and extend into the rear outer side bone block to pull the rear outer side bone block, so that the defect that the rear outer side bone block is not fixed by the screws in the tibial plateau rear outer side fracture bone fracture plate in the prior art is overcome, and the reconstruction of the front outer side bone block of the tibial plateau can be achieved; the bone plate set of the utility model can realize the placement of two bone plates by opening a front and outer access on the crus of a patient, thereby having smaller wound; the utility model provides a bone plate group can be applied to the tibial plateau outside fracture of all types, is particularly useful for the tibial plateau outside fracture of complexity, for example the tibial plateau outside is smashed the fracture and is merged the platform and sink, and outer bone fragment fracture etc. after Schatzker II type fracture merges.

Without specific reference, the set screw hole in the present application may be a conventional screw hole for driving a conventional lag screw or a locking screw hole for driving a locking screw. The specific structure of the common screw hole and the locking screw hole can be conveniently obtained by those skilled in the art according to the prior art, and will not be described herein.

When the bone block is used specifically, the lengths of the common lag screw and the locking screw are selected according to requirements, for example, the length of the screw which is screwed into the first arc-shaped plate 120 can reach the posterior lateral bone block, so that the posterior lateral bone block can be pulled well; when the posterolateral bone block is in a fracture state, the posterolateral bone block can be fixed.

Preferably, as shown in fig. 5-6, the second arcuate plate 130 is also provided with a plurality of k-wire fixing holes 160. Preferably, the number of the kirschner wire fixing holes 160 is 2-5; more preferably, the number of the k-wire fixing holes 160 is 3. Wherein the K-wire fixation hole 160 is provided for temporary fixation of the K-wire during surgery.

Preferably, 4 fixing screw holes are uniformly arranged on the second arc-shaped plate 130, wherein the centers of 1 fixing screw hole and the center of the screw hole on the plate body are on the same plane; wherein the number of the kirschner wire fixing holes 160 is 3, and the kirschner wire fixing holes are respectively arranged between two adjacent fixing screw holes. Preferably, on the second arcuate plate 130, the center of the k-wire set hole 160 therein is higher than the center of the set screw hole. Preferably, the fixing screw hole on the second arc-shaped plate is a common screw hole.

Preferably, as shown in fig. 5, the screw hole of the first arc plate 120 and the screw hole of the second arc plate 130 are spaced apart from at least one screw hole in the length direction of the plate body 110. The screw holes of the first arc plate 120 and the second arc plate 130 have a height difference, so that the screws penetrating into the screw holes have a certain distance in height, and mutual interference between the screws is avoided. Preferably, the set screw hole in the first arcuate plate 120 includes two set screw holes 150. Specifically, the set screw holes on the first arcuate plate 120 are two lock screw holes.

Preferably, the board body 110 has a two-section structure in the length direction of the board body 110, wherein a section near the first end of the board body 110 is a first section of the board body, and a section far away from the first end of the board body 110 is a second section of the board body; wherein the first section of the body is relative to the second section of the body and is bent towards the second side surface of the body, and the curved surface formed by bending the first section of the body is matched with the curved surface of the tibia in the middle of the outer side column. The two-section design of the plate body 110 enables the T-shaped bone plate 100 to be better attached to the lateral surface of the tibia.

Preferably, the first section of plate body and the second section of plate body are of an integrally formed structure; in a further embodiment, the plate 110, the first arc-shaped plate 120 and the second arc-shaped plate 130 are integrally formed. The integrally formed structure enhances the stability of the overall structure of the T-shaped bone plate 100.

Preferably, the first section of the plate body is provided with a common screw hole 140 and the second section of the plate body is provided with a plurality of screw hole sets, each screw hole set comprising a locking screw hole 150 and a common screw hole 140. Preferably, the number of screw hole groups may be 2 to 5, and more preferably, the number of screw hole groups is 3. Through the arrangement of the screw hole group, different screws can be selected to fix the plate body of the T-shaped bone fracture plate at the same position through the arrangement of the locking screw hole 150 and the common screw hole 140, the firm fixation can be achieved through the arrangement of the locking screw hole 150, and the bridging fixation can be realized under certain conditions, which is similar to the external fixation principle; the common screw hole 140 can enable the steel plate to be more attached to the tibial diaphysis and achieve the pressurizing effect; therefore, the arrangement of the screw hole group can simultaneously meet the dual biomechanical requirements of steel plate fixation and fracture block fixation.

In some preferred embodiments, the overall structure of the T-shaped bone plate 100 is specifically designed, wherein the length L1 of the first arc-shaped plate 120 is 18mm-22mm, and the length L2 of the second arc-shaped plate 130 is 33mm-37 mm; the width of the first arc 120 and the second arc 130 is 11mm-13 mm; the length of the first section of the plate body is 33mm-37mm, the length of the second section of the plate body is 58mm-62mm, and the width of the first section of the plate body and the width of the second end plate body 110 are both 11mm-13 mm; the thickness of the plate body 110, the first arc-shaped plate 120 and the second arc-shaped plate 130 is 3mm-4 mm. The size of the T-shaped steel plate is limited to be matched with the specific size of the tibia in the embodiment, so that the T-shaped steel plate and the tibia have better fitting degree.

More preferably, in some embodiments, wherein the length L1 of the first arcuate plate 120 is 20mm, the length L2 of the second arcuate plate 130 is 35 mm; the width of the first arc 120 and the second arc 130 is 12 mm; the length of the first section of the plate body is L3 of 35mm, the length of the second section of the plate body is L4 of 60mm, and the width of the first section of the plate body and the width of the second section of the plate body 110 are both 12 mm; the plate body 110, the first arc-shaped plate 120 and the second arc-shaped plate 130 are all 3.5mm thick. The size of the T-shaped bone plate 100 is specifically limited, so that the T-shaped bone plate 100 is better adaptive to the lateral surface of the tibia.

The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will fall within the protection scope of the claims of the present invention.

Claims (10)

1. A bone plate set for lateral fracture of a tibial plateau is characterized by comprising a posterior lateral fracture bone plate of the tibial plateau and a T-shaped bone plate; the tibia platform posterolateral fracture bone fracture plate comprises a straight plate and an inclined plate, wherein the straight plate and the inclined plate are both in a long strip shape, the inclined plate is connected to the upper end of the straight plate, the plate surface of the inclined plate extends obliquely towards the obliquely upper side of the plate surface of the straight plate, and the inclined angle of the plate surface of the inclined plate is matched with the curved surface of the posterolateral side of the upper end of a tibia; the T-shaped bone fracture plate comprises a longitudinal strip-shaped plate body, a first arc-shaped plate and a second arc-shaped plate, wherein the first arc-shaped plate and the second arc-shaped plate respectively extend towards two sides of the plate body in the width direction at the first end of the plate body, the first arc-shaped plate and the second arc-shaped plate are bent towards the first side face of the plate body, the first arc-shaped plate and the second arc-shaped plate are matched with the curved surfaces of the outer side column at the upper end of the tibia and part of the rear side column, and a plurality of fixing screw holes are uniformly distributed on the first arc-shaped plate, the second arc-shaped plate and the plate body; and a plurality of Kirschner wire fixing holes are also formed in the second arc-shaped plate.

2. The bone plate set for a lateral tibial plateau fracture of claim 1, wherein the screw hole on the first arcuate plate and the screw hole on the second arcuate plate are spaced apart from the at least one screw hole in the length direction of the plate body.

3. The bone plate set for a lateral tibial plateau fracture of claim 1, wherein said set screw hole on said first arcuate plate comprises two locking screw holes.

4. The set of bone plates for lateral tibial plateau fractures according to any one of claims 1 to 3, wherein the first curved plate has a length of 18mm to 22mm and the second curved plate has a length of 33mm to 37 mm; the width of the first arc-shaped plate and the width of the second arc-shaped plate are 11mm-13 mm.

5. The set of bone plates for lateral tibial plateau fractures according to claim 1, wherein the plate body has a two-segment structure along the length of the plate body, wherein the segment near the first end of the plate body is a first segment of the plate body, and the segment far from the first end of the plate body is a second segment of the plate body; the first section of the plate body is bent towards the second side face of the plate body relative to the second section of the plate body, and a curved surface formed by bending the first section of the plate body is matched with a tibial curved surface in the middle of the outer side column.

6. The bone plate set for lateral tibial plateau fractures according to claim 5, wherein the first and second body segments are of one-piece construction.

7. The bone plate set for a lateral tibial plateau fracture according to claim 5, wherein said first plate section has a common screw hole formed therein, and said second plate section has a plurality of screw hole sets formed therein, each of said screw hole sets including a locking screw hole and a common screw hole.

8. The set of bone plates for lateral tibial plateau fractures according to any one of claims 5 to 7, wherein the length of the first body segment is 33mm to 37mm, the length of the second body segment is 58mm to 62mm, and the width of each of the first body segment and the second body segment is 11mm to 13 mm.

9. The bone plate set for lateral tibial plateau fractures according to claim 1, wherein the plate body, the first curved plate and the second curved plate are of an integrally formed structure.

10. The bone plate set for lateral tibial plateau fractures according to claim 9, wherein the plate body, the first arcuate plate and the second arcuate plate each have a thickness of 3mm to 4 mm.

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