CN114159147A - Novel assembled shin bone rear side platform coaptation board - Google Patents

Novel assembled shin bone rear side platform coaptation board Download PDF

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Publication number
CN114159147A
CN114159147A CN202111471850.6A CN202111471850A CN114159147A CN 114159147 A CN114159147 A CN 114159147A CN 202111471850 A CN202111471850 A CN 202111471850A CN 114159147 A CN114159147 A CN 114159147A
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bone fracture
area
plate
fracture plate
holes
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刘立峰
彭青
武乐
方楠
孙珺
高硕�
郑少立
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Shanghai East Hospital Tongji University Affiliated East Hospital
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Shanghai East Hospital Tongji University Affiliated East Hospital
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms

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  • Orthopedic Medicine & Surgery (AREA)
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Abstract

The invention discloses a novel assembled tibia rear side platform bone fracture plate which comprises a rear outer side bone fracture plate, a middle bone fracture plate and a rear inner side bone fracture plate, wherein the rear outer side bone fracture plate and the rear inner side bone fracture plate are L-shaped and respectively accord with a tibia rear inner side platform anatomical structure and a tibia rear outer side platform anatomical structure, the middle bone fracture plate is T-shaped and accords with the tibia rear side platform anatomical structure, and the end parts of the rear outer side bone fracture plate, the middle bone fracture plate and the rear inner side bone fracture plate are mutually overlapped and connected. The device is divided into a middle bone fracture plate, a back inner side bone fracture plate and a back outer side bone fracture plate, 2-3 parts of the middle bone fracture plate, the back inner side bone fracture plate and the back outer side bone fracture plate can be selected according to the fracture types to be assembled and combined to fix the fracture, and only minimally invasive incision in the operation is needed, so that the operation of doctors is facilitated; each assembly area is provided with 2 assembly locking holes, 2 assembly Kirschner wire holes and 1 assembly common hole, so that 2-3 parts of bone plates are conveniently connected with each other, and the thickness of the bone plates in the assembly areas ensures the strength of the assembled bone plates.

Description

Novel assembled shin bone rear side platform coaptation board
Technical Field
The invention relates to the technical field of medical instruments, in particular to a novel assembled tibia rear side platform bone fracture plate.
Background
When the tibial plateau is hit by direct violence or falls from high altitude or falls from side to side, the plateau sclerotin is collapsed or cracked. Tibial plateau fractures include posterolateral fractures of the tibial plateau and posteromedial fractures of the tibial plateau. Clinically, when the fracture of the tibial plateau is serious, the fracture end is generally fixed by adopting a bone fracture plate anatomical internal fixation mode. The existing bone plates for tibial plateau fractures have many disadvantages, such as: the bone fracture plate is not provided with the Kirschner wire holes or the Kirschner wire holes are arranged at a single position, the bone plate cannot be temporarily and stably fixed in the operation, the joint cavity is not easy to be preliminarily positioned, a locking screw is easy to be placed into the joint cavity, the joint capsule is not convenient to fix and sew when being torn, the far section is easy to warp and not attached to the bone surface when the near end is fixed, the far end is not favorable for temporarily fixing and determining the position of the bone fracture plate, the body part of the bone fracture plate is not provided with the Kirschner wire holes, the fracture range is large, and small bone blocks cannot be fixed when the bone fracture is comminuted; the bone fracture plate is provided with more locking holes, so that stress concentration is easily caused, and the risk of secondary fracture is increased; the bone fracture plate is long in setting length, is not suitable for minimally invasive incisions, has large operative incision in operation, has large wound on patients, and increases the risk of muscle, soft tissue and vascular nerve injury; the bone fracture plate can fix the fracture type singly, and the combined internal side or external side fracture needs to be combined with other bone fracture plates for combined fixation; the assembled bone fracture plate is mainly installed on the front side and the front outer side of the tibia, is not suitable for complex fracture of a tibia rear side platform, is infirm in fracture fixation, and is easy to cause fracture displacement. Therefore, there is a need for a new modular tibial posterior plateau plate that solves the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a novel assembled tibia rear side platform bone fracture plate to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel assembled shin bone rear side platform coaptation board, includes back outside coaptation board, middle coaptation board and back inboard coaptation board, back outside coaptation board and back inboard coaptation board all are the L type, accord with the back outside platform anatomical structure behind shin bone and the shin bone respectively and outside platform anatomical structure, middle coaptation board is the T type, accords with shin bone rear side platform anatomical structure, the mutual stack connection of tip of back outside coaptation board, middle coaptation board and back inboard coaptation board.
Preferably, back outside coaptation board includes the coaptation board body, the coaptation board body divide into back outside coaptation district and back outside coaptation board equipment district, back outside coaptation district is the arc structure, and it has 2 back outside coaptation district locking holes to open in the back outside coaptation district, it has 2 back outside coaptation district ke shi needle holes to open above the back outside coaptation district, back outside coaptation board equipment district is opened and is had locking holes on the equipment district, locking holes and back outside coaptation district locking holes are arranged into one row and are distributed in the equipment district, locking holes are equipped with 2 in the equipment district, and 2 top between the locking holes on the equipment district is opened and is had ke shi needle holes on the equipment district, and the below is opened and is had equipment hole under the equipment district, the locking hole below is opened and is had the ke shi needle hole under the equipment district.
Preferably, middle coaptation board includes coaptation board body I, coaptation board body I divide into coaptation district and equipment district, it has coaptation district ke shi needle hole to open in the coaptation district, it has 2 coaptation district locking holes to open coaptation district ke shi needle hole top, 2 distribute from top to bottom to coaptation district locking hole, it has 2 upper locking holes that distribute about to open in the equipment district, 2 it has last ke shi needle hole to open the top between the upper locking hole, and it has lower equipment hole to open the below, it has lower ke shi needle hole to open below the equipment hole, ke shi needle hole site is in coaptation district locking hole top down, the structure in equipment district corresponds with back outside coaptation board equipment district structure, can superpose the connection.
Preferably, the back inner side bone fracture plate comprises a bone fracture plate body II, the bone fracture plate body II is divided into a back inner side bone fracture area and a back inner side bone fracture plate assembling area, the back inner side bone fracture area is of an arc-shaped structure, 2 back inner side bone fracture area locking holes are formed in the back inner side bone fracture area, 2 back inner side bone fracture area Kirschner wire holes are formed above the back inner side bone fracture area locking holes, an assembling area upper locking hole I is formed in the back inner side bone fracture plate assembling area, the assembling area upper locking hole I and the back inner side bone fracture area locking holes are distributed in a row, 2 assembling area upper Kirschner wire holes I are formed in the assembling area above the locking holes I in the 2 assembling areas, an assembling area lower assembling hole I is formed in the lower part of the assembling area lower locking hole I, an assembling area lower Kirschner wire hole I is formed in the lower part of the assembling area I in the assembling area, and the structure of the back inner side bone fracture plate assembling area corresponds to the structure of the back outer side bone fracture plate assembling area, a superimposed connection may be made.
Preferably, the rear outer side bone fracture plate is provided with a wire guiding groove at the upper end edge of the back side, the wire guiding groove is communicated with the Kirschner wire hole of the rear outer side bone fracture area, the middle bone fracture plate is provided with a wire guiding groove I at the upper end edge of the back side, the wire guiding groove I is communicated with the Kirschner wire hole, the rear inner side bone fracture plate is provided with a wire guiding groove II at the upper end edge of the back side, and the wire guiding groove II is communicated with the Kirschner wire hole of the rear inner side bone fracture area.
Preferably, the assembly area of the middle bone fracture plate is of an arc-shaped structure, the bone fracture area adopts an inclined plane structure and a plane structure, and the inclined plane structure is connected with the assembly area.
Preferably, the edges of the back outer side bone fracture plate, the middle bone fracture plate and the back inner side bone fracture plate are of smooth cambered surface structures.
The invention has the technical effects and advantages that: the width and the curvature of the device are designed according to the anatomical structure of a tibial posterior platform (including the posterior inner side and the posterior outer side), and the device is an anatomical locking plate, can be tightly attached to cortical bones without shaping in the operation, reduces the operation steps of the operation and has short operation time; the bone fracture plate has a certain distance between adjacent locking holes and uniform thickness, so the bone fracture plate has strong integrity and high strength, reduces the risk of failure of internal fixation after operation, has short overall length, is suitable for minimally invasive operation incision, can be placed into the bone fracture plate by only a small incision during operation, reduces the trauma brought to patients by the operation, and reduces the risk of muscle, soft tissue and vascular nerve injury; each part of the assembled bone fracture plate is close to the rear side, the rear inner side and the rear outer side platform of the tibia, the part far away from the tibial platform is designed with Kirschner wire holes and locking holes, the hole passages are distributed relatively uniformly, and the assembled bone fracture plate is suitable for simple tibial rear side platforms (such as simple rear side, rear inner side or rear outer side platform fracture) and certain complex fractures (such as rear inner side combined rear outer side platform fracture or comminuted fracture); the rear inner side bone fracture plate, the rear outer side bone fracture plate and the middle bone fracture plate assembly area are designed to be thin and arc-shaped at the position close to the tibia rear side platform, and the inserted bone fracture plate can be attached to the bone surface, so that the friction damage of tendons, ligaments and soft tissues is reduced; the edges of each part are designed into curved surfaces, so that the friction with soft tissues is reduced, the postoperative discomfort is reduced, and the early exercise and rehabilitation treatment are facilitated; the fracture fixation device is divided into a middle bone fracture plate, a rear inner side bone fracture plate and a rear outer side bone fracture plate, 2-3 parts of the middle bone fracture plate, the rear inner side bone fracture plate and the rear outer side bone fracture plate can be selected according to fracture types to be assembled and combined to fix fractures, and only minimally invasive incisions in surgery are needed, so that doctors can operate conveniently; the proper screw hole channel design plays a good role in fixing the fracture of the tibial posterior platform; the bone fracture plate is characterized in that only the assembly areas of the required parts need to be mutually overlapped and assembled in the operation, the assembly mode is simple, the assembly can be carried out in a minimally invasive incision, the operation of an operating doctor in the operation is facilitated, each assembly area is provided with 2 assembly locking holes, 2 assembly Kirschner wire holes and 1 assembly common hole, 2-3 parts of the bone fracture plates are conveniently connected with each other, and the thickness of the bone fracture plate in the assembly area is set to ensure the strength of the assembled bone fracture plate.
Drawings
FIG. 1 is an elevational view of the posterolateral bone plate of the present invention;
FIG. 2 is a back view of the posterolateral bone plate of the present invention;
FIG. 3 is a side view of the posterolateral bone plate of the present invention;
FIG. 4 is an elevational view of the intermediate bone plate of the present invention;
FIG. 5 is a rear view of the intermediate bone plate of the present invention;
FIG. 6 is a side view of the intermediate bone plate of the present invention;
FIG. 7 is an elevational view of the posterior medial plate of the present invention;
FIG. 8 is a rear elevational view of the posterior medial plate of the present invention;
FIG. 9 is a side view of the posterior medial plate of the present invention;
FIG. 10 is a schematic view showing the operation of the present invention in example 1;
FIG. 11 is a schematic view showing the operation of the present invention in example 2;
fig. 12 is a schematic view showing the operation of the present invention in example 3.
Detailed Description
In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
As shown in fig. 1-9, when the tibial plateau is subjected to posterior lateral fracture and posterior medial fracture simultaneously, a posterior lateral bone plate 1, a middle bone plate 2 and a posterior medial bone plate 3 in the novel assembled tibial posterior plateau bone plate are adopted for treatment, the edges of the posterior lateral bone plate 1, the middle bone plate 2 and the posterior medial bone plate 3 are all smooth cambered structures, so that friction damage and foreign body sensation of tendons, ligaments and soft tissues can be reduced, the posterior lateral bone plate 1 and the posterior medial bone plate 3 are all L-shaped and respectively conform to the anatomical structures of the posterior medial plateau of the tibia and the anatomical structures of the posterior lateral plateau of the tibia, and the middle bone plate 2 is T-shaped and conforms to the anatomical structures of the posterior lateral plateau of the tibia;
the back outer side bone fracture plate 1 comprises a bone fracture plate body 11, the bone fracture plate body 11 is divided into a back outer side bone fracture area 12 and a back outer side bone fracture plate assembly area 13, the back outer side bone fracture area 12 is of an arc-shaped structure, the thickness is 2-2.5mm, the thickness of the back outer side bone fracture plate assembly area 13 is 1-1.5mm, 2 back outer side bone fracture area locking holes 14 are formed in the back outer side bone fracture area 12, the back outer side bone fracture area locking holes 14 are arranged in parallel, locking screws can be placed in an operation to form an effective supporting joint surface with a bamboo raft effect, 2 back outer side bone fracture area Kirschner wire holes 15 are formed above the back outer side bone fracture area locking holes 14, the back outer side bone fracture area Kirschner wire holes 15 can temporarily fix the bone fracture plate in the operation, judge whether the position of the bone fracture plate is proper or not and position the joint surface, judge whether the screws enter the joint cavities or not, the back outer side bone fracture plate assembly area 13 is provided with locking holes 16 in the assembly area, the upper locking holes 16 of the assembly region and the locking holes 14 of the rear outer side bone fracture region are distributed in a row, 2 upper locking holes 16 of the assembly region are provided, an upper Kirschner wire hole 17 of the assembly region is arranged above the upper locking holes 16 of the 2 assembly regions, a lower assembly hole 18 of the assembly region is arranged below the upper locking holes 18 of the assembly region, a lower Kirschner wire hole 19 of the assembly region is arranged below the lower locking holes 18 of the assembly region, a lead wire groove 110 is arranged at the upper end edge of the back of the rear outer side bone fracture plate 1, the lead wire groove 110 is communicated with the Kirschner wire hole 15 of the rear outer side bone fracture region, and when the joint capsule is torn, the lead wire groove 110 is convenient for leading a wire to suture the joint capsule;
the middle bone plate 2 comprises a bone plate body I21, the bone plate body I21 is divided into a bone fracture area 22 and an assembly area 23, the assembly area 23 is of an arc-shaped structure, the thickness of the assembly area is 1-1.5mm, the bone fracture area 22 adopts an inclined plane structure and a plane structure, the inclined plane structure is connected with the assembly area 23, so that the bone plate can be conveniently inserted into the bone plate, shaping is not needed, and operation time is reduced, a bone fracture area Kirschner wire hole 24 is formed in the bone fracture area 22, the bone fracture area Kirschner wire hole 24 is used for temporary fixation in an operation so as to conveniently assist in adjusting the position of the bone plate, 2 bone fracture area locking holes 25 which are distributed up and down are formed above the bone fracture area Kirschner wire hole 24, the bone fracture area locking holes 25 can be used for finely adjusting the fracture end in the operation, pressurizing and fixing the fracture end to achieve anatomical reduction and buttress effect, 2 upper locking holes 26 which are distributed left and right are formed in the assembly area 23, and 2 upper Kirschner wires 27 are formed above the upper locking holes 26, a lower assembling hole 28 is formed below the joint capsule, a lower Kirschner wire hole 29 is formed below the lower assembling hole 28, the lower Kirschner wire hole 29 is positioned above the bone fracture region locking hole 25, the structure of the assembling region 23 corresponds to that of the rear outer side bone fracture plate assembling region 13, the assembling region 23 and the rear outer side bone fracture plate assembling region 13 can be connected in an overlapping mode, a lead groove I210 is formed in the edge of the upper end of the back of the assembling region 23, the lead groove I210 is communicated with the upper Kirschner wire hole 27, and when the joint capsule is torn, the lead groove I210 facilitates a lead thread to suture the joint capsule;
the back inner side bone fracture plate 3 comprises a bone fracture plate body II 31, the bone fracture plate body II 31 is divided into a back inner side bone fracture area 32 and a back inner side bone fracture plate assembly area 33, the back inner side bone fracture area 32 is of an arc structure, the thickness is 2-2.5mm, the thickness of the back inner side bone fracture plate assembly area 33 is 1-1.5mm, 2 back inner side bone fracture area locking holes 34 are formed in the back inner side bone fracture area 32, the back inner side bone fracture area locking holes 34 are arranged in parallel, locking screws can be placed in an operation to form an effective supporting joint surface with a bamboo raft effect, 2 back inner side bone fracture area Kirschner wire holes 35 are formed above the back inner side bone fracture area locking holes 34, the back inner side bone fracture area Kirschner wire holes 35 can temporarily fix the bone fracture plate in the operation, judge whether the position of the bone fracture plate is proper and position the joint surface, judge whether the screws enter the joint cavities or not, the back inner side bone fracture plate assembly area 33 is provided with an upper locking hole I36, the bone fracture plate is characterized in that locking holes I36 in the assembly area and locking holes I34 in the rear inner side bone fracture area are distributed in a row, 2 locking holes I36 in the assembly area are formed, Kirschner wire holes I37 in the assembly area are formed in the positions above the locking holes I36 in the 2 assembly areas, assembling holes I38 in the lower portion of the assembly area are formed in the positions below the locking holes I38 in the assembly area, Kirschner wire holes I39 in the assembly area are formed in the positions below the locking holes I38 in the assembly area, the assembly area 33 of the rear inner side bone fracture plate corresponds to the assembly area 23 of the rear outer side bone fracture plate in structure, the rear inner side bone fracture plate and the assembly area can be connected in an overlapping mode, a wire leading groove II 310 is formed in the edge of the upper end of the back side of the rear inner side bone fracture plate 3, the wire leading groove II 310 is communicated with the Kirschner wire holes 35 in the rear inner side bone fracture area, and the wire leading line can be conveniently used for suturing the joint capsule when the joint capsule is torn.
The specific fixing mode is as shown in fig. 10, the joint capsule is cut open, the fracture end is exposed, the fracture block is manually reset firstly, a 1 # Kirschner wire is placed in an upper Kirschner wire hole 27 to temporarily fix the middle bone fracture plate 2, the joint surface is determined, a 2 # Kirschner wire is placed in a bone fracture area Kirschner wire hole 24, the bone fracture area Kirschner wire hole 24 is used for temporarily fixing and finely adjusting the far end of the middle bone fracture plate 2, the middle bone fracture plate 2 is determined to be positioned in the middle of the tibia, and the position is determined to be correct through perspective; the rear outer side bone fracture plate assembling area 13 of the rear outer side bone fracture plate 1 is arranged in the cut corresponding to the assembling area 23 of the middle bone fracture plate 2, the Kirschner wire No. 1 is arranged in the Kirschner wire hole 17 on the assembling area, after the position is adjusted, the Kirschner wire No. 3 is arranged in the Kirschner wire hole 15 of the rear outer side bone fracture area on the outer side, the rear outer side bone fracture plate 1 is preliminarily fixed, and the position is determined to be correct by perspective; the rear inner side bone fracture plate assembling area 33 of the rear inner side bone fracture plate 3 is arranged in the incision corresponding to the assembling area 23 of the middle bone fracture plate 2, the Kirschner wire No. 1 is arranged in a Kirschner wire hole I37 on the assembling area, after the position is adjusted, the Kirschner wire No. 4 is arranged in a Kirschner wire hole 35 in the rear inner side bone fracture area on the outer side, the rear inner side bone fracture plate 3 is preliminarily fixed, and the position is determined to be correct in a perspective way; placing 5 # Kirschner wires in the overlapped holes of the lower Kirschner wire hole 19, the lower Kirschner wire hole 29 and the lower Kirschner wire hole I39 of the assembly area to determine the corresponding positions of other holes of the assembly area again, assisting the locking hole 25 of the bone fracture area above to further dissect and reset the fracture end, placing cortical bone screws in the locking hole 25 of the bone fracture area above to further pressurize and fix the position of the bone fracture plate, enabling the bone fracture plate to be attached to bones, and simultaneously finely adjusting the fracture end to facilitate better anatomic reset; placing cortical bone screws (except cancellous bone screws for patients with serious fracture and serious osteoporosis) into the overlapped holes of the corresponding lower assembly holes 18, the lower assembly holes 28 and the lower assembly holes I38 of the assembly area to primarily fix the positions of the three parts of bone fracture plates close to the posterior tibial plateau, determining the corresponding positions of the holes of the assembly area to be correct, stably connecting the three parts of the posterior lateral bone fracture plate 1, the middle bone fracture plate 2 and the posterior medial bone fracture plate 3 together, finely adjusting fracture ends again to perform anatomical reduction, placing locking screws into the overlapped holes of the locking holes 16, the upper locking holes 26 and the locking holes I36 on the assembly area to perform stable locking, then respectively placing the locking screws into the locking holes 14, the locking holes 25 and the locking holes 34 of the posterior lateral bone fracture area to perform stable locking, namely completing the primary anatomical reduction of the whole posterior plateau fracture, the cortical bone screws in the locking holes 25 of the upper bone fracture area are replaced by locking screws, all Kirschner wires are taken out, and the positions of the three bone plates of the rear outer side bone plate 1, the middle bone plate 2 and the rear inner side bone plate 3, the positions of all the screws and the anatomical reduction of fracture are determined by perspective, namely the operation is finished.
Example 2
As shown in fig. 4-9, when the tibia plateau has tibia posterior medial plateau fracture, a middle bone fracture plate 2 and a posterior medial bone fracture plate 3 in the novel assembled tibia posterior plateau bone fracture plate are used for treatment, the edges of the middle bone fracture plate 2 and the posterior medial bone fracture plate 3 are both smooth cambered surface structures, so that friction damage and foreign body sensation of tendons, ligaments and soft tissues can be reduced, the posterior medial bone fracture plates 3 are both L-shaped and respectively conform to the tibia posterior medial plateau anatomical structure and the tibia posterior lateral plateau anatomical structure, and the middle bone fracture plate 2 is T-shaped and conforms to the tibia posterior lateral plateau anatomical structure;
the middle bone plate 2 comprises a bone plate body I21, the bone plate body I21 is divided into a bone fracture area 22 and an assembly area 23, the assembly area 23 is of an arc-shaped structure, the thickness of the assembly area is 1-1.5mm, the bone fracture area 22 adopts an inclined plane structure and a plane structure, the inclined plane structure is connected with the assembly area 23, so that the bone plate can be conveniently inserted into the bone plate, shaping is not needed, and operation time is reduced, a bone fracture area Kirschner wire hole 24 is formed in the bone fracture area 22, the bone fracture area Kirschner wire hole 24 is used for temporary fixation in an operation so as to conveniently assist in adjusting the position of the bone plate, 2 bone fracture area locking holes 25 which are distributed up and down are formed above the bone fracture area Kirschner wire hole 24, the bone fracture area locking holes 25 can be used for finely adjusting the fracture end in the operation, pressurizing and fixing the fracture end to achieve anatomical reduction and buttress effect, 2 upper locking holes 26 which are distributed left and right are formed in the assembly area 23, and 2 upper Kirschner wires 27 are formed above the upper locking holes 26, a lower assembling hole 28 is formed below the joint capsule, a lower Kirschner wire hole 29 is formed below the lower assembling hole 28, the lower Kirschner wire hole 29 is positioned above the bone fracture region locking hole 25, the structure of the assembling region 23 corresponds to that of the rear outer side bone fracture plate assembling region 13, the assembling region 23 and the rear outer side bone fracture plate assembling region 13 can be connected in an overlapping mode, a lead groove I210 is formed in the edge of the upper end of the back of the assembling region 23, the lead groove I210 is communicated with the upper Kirschner wire hole 27, and when the joint capsule is torn, the lead groove I210 facilitates a lead thread to suture the joint capsule;
the back inner side bone fracture plate 3 comprises a bone fracture plate body II 31, the bone fracture plate body II 31 is divided into a back inner side bone fracture area 32 and a back inner side bone fracture plate assembly area 33, the back inner side bone fracture area 32 is of an arc structure, the thickness is 2-2.5mm, the thickness of the back inner side bone fracture plate assembly area 33 is 1-1.5mm, 2 back inner side bone fracture area locking holes 34 are formed in the back inner side bone fracture area 32, the back inner side bone fracture area locking holes 34 are arranged in parallel, locking screws can be placed in an operation to form an effective supporting joint surface with a bamboo raft effect, 2 back inner side bone fracture area Kirschner wire holes 35 are formed above the back inner side bone fracture area locking holes 34, the back inner side bone fracture area Kirschner wire holes 35 can temporarily fix the bone fracture plate in the operation, judge whether the position of the bone fracture plate is proper and position the joint surface, judge whether the screws enter the joint cavities or not, the back inner side bone fracture plate assembly area 33 is provided with an upper locking hole I36, the bone fracture plate is characterized in that locking holes I36 in the assembly area and locking holes I34 in the rear inner side bone fracture area are distributed in a row, 2 locking holes I36 in the assembly area are formed, Kirschner wire holes I37 in the assembly area are formed in the positions above the locking holes I36 in the 2 assembly areas, assembling holes I38 in the lower portion of the assembly area are formed in the positions below the locking holes I38 in the assembly area, Kirschner wire holes I39 in the assembly area are formed in the positions below the locking holes I38 in the assembly area, the assembly area 33 of the rear inner side bone fracture plate corresponds to the assembly area 23 of the rear outer side bone fracture plate in structure, the rear inner side bone fracture plate and the assembly area can be connected in an overlapping mode, a wire leading groove II 310 is formed in the edge of the upper end of the back side of the rear inner side bone fracture plate 3, the wire leading groove II 310 is communicated with the Kirschner wire holes 35 in the rear inner side bone fracture area, and the wire leading line can be conveniently used for suturing the joint capsule when the joint capsule is torn.
The specific fixing method is as shown in fig. 11, cutting the joint capsule to expose the fracture end, manually reducing the fracture block, placing the middle bone plate 2 in the operation, placing 1 k-wire in the upper k-wire hole 27 to temporarily fix the middle bone plate 2, determining the joint surface, placing 2 k-wires in the bone setting area k-wire hole 24 for temporary fixation and fine-adjusting the far end of the middle bone plate 2, determining the middle bone plate 2 position in the middle of the tibia, assembling the rear inner side bone plate 3 in the incision, overlapping the rear inner side bone setting area k-wire hole 35 and the upper k-wire hole 27 at the outer side, fixing with 1 k-wire, placing 3 k-wire in the lower k-wire hole 29 and the lower k-wire hole I39 in the assembly area to fix the assembly area, further reducing the fracture block, placing 4 k-wire in the initial rear inner side bone setting area k-wire hole 35 at the outer side, and attaching the initial rear inner side bone plate 3 and tibia together, cortical bone screws (except cancellous screws for patients with serious fracture crushing and serious osteoporosis) are placed in the overlapped holes of the lower assembling holes 28 and the assembling area lower assembling holes I38, cortical bone screws are placed in the bone fracture area locking holes 25 positioned above the bone fracture area locking holes to further pressurize and fix the position of the bone fracture plate, so that the bone fracture plate is attached to the bone, meanwhile, the fracture ends are finely adjusted to facilitate better anatomical reduction, locking screws are placed in the overlapped holes of the corresponding upper locking holes 26 and the assembling area upper locking holes I36 to be stably locked, locking screws are placed in the other bone fracture area locking holes 25 and the rear inner side bone fracture area locking holes 34 to be stably locked respectively, the anatomical reduction of the fracture is completed, the cortical bone screws in the bone fracture area locking holes 25 positioned above the bone fracture area locking holes are replaced by the locking screws, and finally, Kirschner pins are taken out respectively, and the operation is finished.
Example 3
As shown in fig. 1-6, when a tibia posterior lateral plateau fracture occurs in a tibia plateau, a posterior lateral fracture plate 1 and a middle bone plate 2 in a novel assembled tibia posterior lateral plateau fracture plate are used for treatment, the edges of the posterior lateral fracture plate 1 and the middle bone plate 2 are both smooth cambered surface structures, friction damage and foreign body sensation of tendons, ligaments and soft tissues can be reduced, the posterior lateral fracture plate 1 is in an L shape and respectively conforms to an anatomy structure of the tibia posterior medial plateau and an anatomy structure of the tibia posterior lateral plateau, and the middle bone plate 2 is in a T shape and conforms to the anatomy structure of the tibia posterior lateral plateau;
the back outer side bone fracture plate 1 comprises a bone fracture plate body 11, the bone fracture plate body 11 is divided into a back outer side bone fracture area 12 and a back outer side bone fracture plate assembly area 13, the back outer side bone fracture area 12 is of an arc-shaped structure, the thickness is 2-2.5mm, the thickness of the back outer side bone fracture plate assembly area 13 is 1-1.5mm, 2 back outer side bone fracture area locking holes 14 are formed in the back outer side bone fracture area 12, the back outer side bone fracture area locking holes 14 are arranged in parallel, locking screws can be placed in an operation to form an effective supporting joint surface with a bamboo raft effect, 2 back outer side bone fracture area Kirschner wire holes 15 are formed above the back outer side bone fracture area locking holes 14, the back outer side bone fracture area Kirschner wire holes 15 can temporarily fix the bone fracture plate in the operation, judge whether the position of the bone fracture plate is proper or not and position the joint surface, judge whether the screws enter the joint cavities or not, the back outer side bone fracture plate assembly area 13 is provided with locking holes 16 in the assembly area, the upper locking holes 16 of the assembly region and the locking holes 14 of the rear outer side bone fracture region are distributed in a row, 2 upper locking holes 16 of the assembly region are provided, an upper Kirschner wire hole 17 of the assembly region is arranged above the upper locking holes 16 of the 2 assembly regions, a lower assembly hole 18 of the assembly region is arranged below the upper locking holes 18 of the assembly region, a lower Kirschner wire hole 19 of the assembly region is arranged below the lower locking holes 18 of the assembly region, a lead wire groove 110 is arranged at the upper end edge of the back of the rear outer side bone fracture plate 1, the lead wire groove 110 is communicated with the Kirschner wire hole 15 of the rear outer side bone fracture region, and when the joint capsule is torn, the lead wire groove 110 is convenient for leading a wire to suture the joint capsule;
the middle bone plate 2 comprises a bone plate body I21, the bone plate body I21 is divided into a bone fracture area 22 and an assembly area 23, the assembly area 23 is of an arc-shaped structure, the thickness of the assembly area is 1-1.5mm, the bone fracture area 22 adopts an inclined plane structure and a plane structure, the inclined plane structure is connected with the assembly area 23, so that the bone plate can be conveniently inserted into the bone plate, shaping is not needed, and operation time is reduced, a bone fracture area Kirschner wire hole 24 is formed in the bone fracture area 22, the bone fracture area Kirschner wire hole 24 is used for temporary fixation in an operation so as to conveniently assist in adjusting the position of the bone plate, 2 bone fracture area locking holes 25 which are distributed up and down are formed above the bone fracture area Kirschner wire hole 24, the bone fracture area locking holes 25 can be used for finely adjusting the fracture end in the operation, pressurizing and fixing the fracture end to achieve anatomical reduction and buttress effect, 2 upper locking holes 26 which are distributed left and right are formed in the assembly area 23, and 2 upper Kirschner wires 27 are formed above the upper locking holes 26, the lower part is provided with a lower assembling hole 28, the lower part of the lower assembling hole 28 is provided with a lower Kirschner wire hole 29, the lower Kirschner wire hole 29 is positioned above the bone fracture area locking hole 25, the structure of the assembling area 23 corresponds to the structure of the rear outer side bone fracture plate assembling area 13, the assembling area and the rear outer side bone fracture plate assembling area can be connected in an overlapping mode, the edge of the upper end of the back surface of the assembling area 23 is provided with a lead wire groove I210, the lead wire groove I210 is communicated with the upper Kirschner wire hole 27, and when the joint capsule is torn, the lead wire groove I210 is convenient for leading a wire to suture the joint capsule.
The specific fixing method is as shown in figure 12, cutting the joint capsule to expose the fracture end, manually reducing the fracture block, placing the middle bone plate 2 in the operation, placing 1K-wire in the upper K-wire hole 27 to temporarily fix the middle bone plate 2, determining the joint surface, placing 2K-wires in the K-wire hole 24 in the bone setting area for temporarily fixing and finely adjusting the far end of the middle bone plate 2, determining that the middle bone plate 2 is positioned in the middle of the tibia, assembling the rear outer side bone plate 1 in the incision, overlapping the upper K-wire hole 17 and the upper K-wire hole 27 in the assembling area, fixing with 1K-wire, placing 3K-wire in the lower K-wire hole 29 and the lower K-wire hole 19 in the assembling area to primarily fix the assembling area, further reducing the fracture block, placing 4K-wire in the rear outer side bone plate hole 15 in the outer side, primarily bonding the bone plate and the tibia together, cortical bone screws (except cancellous bone screws for patients with serious fracture crushing and serious osteoporosis) are placed in the overlapped holes of the lower assembling holes 18 and the lower assembling holes 28 of the assembling area, cortical bone screws are placed in the bone fracture area locking holes 25 positioned above the assembling area to further pressurize and fix the position of the bone fracture plate, so that the bone fracture plate is attached to bones, meanwhile, the fracture ends are finely adjusted to facilitate better anatomical reduction, locking screws are respectively placed in the remaining bone fracture area locking holes 25 and the rear outer side bone fracture area locking holes 14 to be stably locked, namely, the anatomical reduction of the fracture is completed, the cortical bone screws in the bone fracture area locking holes 25 positioned above the assembling area are replaced by the locking screws, and finally, Kirschner pins are respectively taken out, namely, the operation is finished.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a novel assembled shin bone rear side platform coaptation board, includes back outside coaptation board, middle coaptation board and back inboard coaptation board, its characterized in that: the back outer side bone fracture plate and the back inner side bone fracture plate are L-shaped and respectively accord with a tibia back inner side platform anatomical structure and a tibia back outer side platform anatomical structure, the middle bone fracture plate is T-shaped and accords with the tibia back side platform anatomical structure, and the end parts of the back outer side bone fracture plate, the middle bone fracture plate and the back inner side bone fracture plate are mutually overlapped and connected.
2. The novel modular tibial posterior plateau plate of claim 1, wherein: the back outside coaptation board includes the coaptation board body, the coaptation board body divide into back outside coaptation district and back outside coaptation board equipment district, back outside coaptation district is the arc structure, and it has 2 back outside coaptation district locking holes to open in the back outside coaptation district, it has 2 back outside coaptation district ke shi needle holes to open above the back outside coaptation district, back outside coaptation board equipment district is opened and is had the locking hole on the equipment district, locking hole and back outside coaptation district locking hole are arranged into one row and are distributed in the equipment district, the locking hole is equipped with 2 on the equipment district, and the top between the locking hole on 2 equipment districts is opened and is had the ke shi needle hole on the equipment district, and the below is opened and is had equipment hole under the equipment district, the locking hole below is opened and is had the ke shi needle hole under the equipment district.
3. The novel modular tibial posterior plateau plate of claim 2, wherein: the middle bone fracture plate comprises a bone fracture plate body I, the bone fracture plate body I is divided into a bone fracture area and an assembly area, the bone fracture area is provided with bone fracture area Kirschner wire holes, 2 bone fracture area locking holes are formed in the upper portion of the bone fracture area Kirschner wire holes and 2 bone fracture area locking holes and are distributed up and down, the assembly area is provided with 2 upper locking holes distributed left and right and 2 upper locking holes distributed left and right, the upper portion between the upper locking holes is provided with the Kirschner wire holes, the lower portion of the upper locking holes is provided with lower assembly holes, the lower portion of the lower assembly holes is provided with the lower Kirschner wire holes, the lower Kirschner wire holes are located above the bone fracture area locking holes, and the structure of the assembly area corresponds to the structure of the rear outer side bone fracture plate assembly area and can be connected in a superposition manner.
4. A novel modular tibial posterior plateau plate according to claim 3, wherein: the rear inner side bone fracture plate comprises a bone fracture plate body II, the bone fracture plate body II is divided into a rear inner side bone fracture area and a rear inner side bone fracture plate assembly area, the rear inner side bone fracture area is of an arc-shaped structure, 2 rear inner side bone fracture area locking holes are formed in the rear inner side bone fracture area, 2 rear inner side bone fracture area Kirschner wire holes are formed above the rear inner side bone fracture area locking holes, an assembly area upper locking hole I is formed in the rear inner side bone fracture plate assembly area, the assembly area upper locking hole I and the rear inner side bone fracture area locking holes are distributed in a row, 2 assembly area upper Kirschner wire holes I are formed in the assembly area upper locking holes I, an assembly area lower assembly hole I is formed in the assembly area lower locking hole I, an assembly area lower Kirschner wire hole I is formed in the assembly area lower locking hole I, and the structure of the rear inner side bone fracture plate assembly area corresponds to the rear outer side bone fracture plate assembly area structure, a superimposed connection may be made.
5. The novel modular tibial posterior plateau plate of claim 4, wherein: the rear outer side bone fracture plate is characterized in that a lead groove is formed in the edge of the upper end of the back of the rear outer side bone fracture plate and is communicated with a Kirschner wire hole of a rear outer side bone fracture area, a lead groove I is formed in the edge of the upper end of the back of the middle bone fracture plate and is communicated with the Kirschner wire hole, a lead groove II is formed in the edge of the upper end of the back of the rear inner side bone fracture plate and is communicated with the Kirschner wire hole of the rear inner side bone fracture area.
6. A novel modular tibial posterior plateau plate according to claim 3, wherein: the assembly area of the middle bone fracture plate is of an arc-shaped structure, the bone fracture area adopts an inclined plane structure and a plane structure, and the inclined plane structure is connected with the assembly area.
7. The novel modular tibial posterior plateau plate of claim 1, wherein: the edges of the back outer side bone fracture plate, the middle bone fracture plate and the back inner side bone fracture plate are of smooth cambered surface structures.
CN202111471850.6A 2021-12-03 2021-12-03 Novel assembled shin bone rear side platform coaptation board Pending CN114159147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111471850.6A CN114159147A (en) 2021-12-03 2021-12-03 Novel assembled shin bone rear side platform coaptation board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111471850.6A CN114159147A (en) 2021-12-03 2021-12-03 Novel assembled shin bone rear side platform coaptation board

Publications (1)

Publication Number Publication Date
CN114159147A true CN114159147A (en) 2022-03-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111471850.6A Pending CN114159147A (en) 2021-12-03 2021-12-03 Novel assembled shin bone rear side platform coaptation board

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Country Link
CN (1) CN114159147A (en)

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