CN216603043U

CN216603043U - Tibiofibula joint locking system

Info

Publication number: CN216603043U
Application number: CN202123038966.9U
Authority: CN
Inventors: 周佳伟; 董明明
Original assignee: Jiangsu Ideal Medical Science & Technology Co ltd
Current assignee: Jiangsu Ideal Medical Science & Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-27
Anticipated expiration: 2031-12-06

Abstract

The application discloses tibiofibula joint locking system includes: the locking plate comprises a plate body and a curved surface which is formed by one end of the plate body protruding outwards and is attached to the far end of the tibia, one end of the curved surface, which is far away from the plate body, protrudes outwards to form a locking surface, a first locking hole is formed in the surface of the locking surface, a plurality of pressurizing holes are formed in the surface of the plate body along the extending direction of the surface of the plate body, and a second locking hole is formed in the joint of the curved surface and the plate body; the tibia locking device is characterized by further comprising a first locking nail, a second locking nail, a hollow nail, a suture plate and a hand suture, wherein the first locking nail is fixed to the tibia through the first locking hole, the hollow nail is fixed to the tibia through one of the pressurizing holes, and the hand suture passes through the axis of the hollow nail and bypasses the suture plate on the other side of the tibia. The invention can fix the tibiofibula at the same time without causing fibula displacement.

Description

Tibiofibula joint locking system

Technical Field

The application relates to an orthopedic operation, in particular to a tibiofibula combined locking system.

Background

The tibiofibular union locking system is a new type of union system which runs through the tibiofibula. Because the fibula is more slender than the tibia, fracture of the tibia is often accompanied by fracture of the fibula or displacement of the fibula, and if the traditional fracture fixation operation is directly connected to the fibula through the insertion of the locking screw, the fibula is inevitably displaced; regular shin bone fracture is fixed, and the effect of postoperative patient at the power that produces of recovery in-process, because effort and reaction force's physical principle, this power can be because of the existence of shin bone steel sheet and the reaction is in fibula department, can cause the fibula to shift on the contrary, influences patient's normal recovery.

Disclosure of Invention

The invention aims to provide a tibiofibula combined locking system which is applied to the combined locking system by taking advantage of the rapid development of sports medicine and by using a fixing mode of a trip steel plate in the sports medicine and a mature intraoperative suture binding mode, the tibia fracture is fixed by implanting the required bone plate on the tibia side by using the traditional operation mode, the miniature steel plate is implanted on the fibula side, the fibula is fixed on the tibia by a certain traction force through a specific binding mode, then the tibia and the fibula are jointly locked through the locking screws to form a fixed stabilizing system, the number and the positions of the through locking can be selected as required in the operation, and the formed joint locking system can well overcome the defects in the two aspects in the traditional operation, and does not affect normal blood circulation and soft tissues, better helps the recovery of patients and avoids secondary injury.

In order to achieve the above object, the present invention provides the following technical solutions.

The embodiment of the application discloses tibiofibula joint locking system includes: the locking plate comprises a plate body and a curved surface which is formed by extending one end of the plate body outwards and is attached to the far end of the tibia, wherein the curved surface is formed by extending one end of the curved surface, which is away from the plate body, outwards, a locking surface is formed, a first locking hole is formed in the surface of the locking surface, a plurality of pressurizing holes are formed in the surface of the plate body along the extending direction of the surface of the plate body, and a second locking hole is formed at the joint of the curved surface and the plate body;

also comprises a first locking nail, a second locking nail, a hollow nail, a suture plate and a hand suture,

the first locking nail is fixed on the tibia through the first locking hole, the hollow nail is fixed on the tibia through one of the pressurizing holes, the hand suture penetrates through the axis of the hollow nail and bypasses the suture plate on the other side of the tibia, the hand suture pulls the tibia and the fibula, and the second locking nail penetrates through the fixed tibia through the second locking hole and fixes the fibula.

Preferably, in the above tibiofibular union locking system, a plurality of screws are further included, and the screws are fixed to the tibia through the pressurizing holes.

Preferably, in the above tibiofibula combination locking system, a bending groove is formed on each of two sides of a joint of the locking surface and the curved surface.

Preferably, in the above tibiofibular union locking system, the curved surface is formed with two rows of nail holes.

Preferably, in the above tibiofibula combination locking system, one end surface of the plate body facing away from the curved surface is formed with a first k-wire hole, and one end surface of the curved surface close to the locking surface is formed with a second k-wire hole.

Compared with the prior art, the invention aims at the existing internal fixation technology, and aims to reduce the stress action at the fracture part of the far end of the tibia and reduce the situation of fibula displacement possibly existing in the fracture part of the far end of the tibia, and designs the combined locking system which can simultaneously fix the tibia and the fibula and can not cause the fibula displacement.

The invention also has the following characteristics: 1. the implant accords with the human anatomy design, and has small influence on surrounding normal tissues when being implanted; 2. the defect that stress is concentrated to the fibula after the traditional tibia far-end fracture fixation is overcome; 3. meanwhile, a flexible and stable fixing system is provided, so that the defect of fibula displacement possibly caused by simultaneous locking of the tibiofibula is overcome.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 illustrates a prior art posterior tibial fixation view;

FIG. 2 is a schematic view of the fixation of the tibiofibular union locking system in an embodiment of the invention;

FIG. 3 is a schematic view of a locking plate in an embodiment of the invention;

FIG. 4 is a schematic view of a suture plate in an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the fracture of tibia in the prior art is often accompanied by the displacement of fibula, and the conventional screw fixation causes the greater displacement of fibula in the operation if the screw is directly implanted from the left side to the right side of the steel plate.

The stress that normally produces among the patient recovery process can conduct on the left side implant steel sheet back because the physical principle of effort and reaction force, this stress can react in right side fibula department, causes postoperative fibula to shift.

Referring to fig. 2-4, a tibiofibular union locking system includes: the locking plate 100 comprises a plate body 101 and a curved surface 102 formed by one end of the plate body 101 protruding outwards and attached to the distal end of the tibia 10, wherein the curved surface 102 protrudes outwards to form a locking surface 103, the end, away from the plate body 101, of the curved surface 102, a first locking hole 104 is formed in the surface of the locking surface 103, a plurality of pressing holes 105 are formed in the surface of the plate body 101 in an array mode along the extending direction of the surface of the plate body, and a second locking hole 106 is formed at the joint of the curved surface 102 and the plate body 101;

also comprises a first locking nail 200, a second locking nail 300, a hollow nail 400, a suture plate 500 and a hand suture 600,

the first locking nail 200 is fixed on the tibia 10 through the first locking hole 104, the hollow nail 400 is fixed on the tibia 10 through one of the pressurizing holes 105, the hand suture 600 passes through the axis of the hollow nail 400 and bypasses the suture plate 500 on the other side of the fibula 20, the hand suture 600 pulls the tibia 10 and the fibula 20, and the second locking nail 300 penetrates through the fixed tibia 10 through the second locking hole 106 and fixes the fibula 20.

A plurality of screws 700 are also included, with screws 700 secured to tibia 10 through compression holes 105.

The operation steps are as follows: 1. performing incision from the anterior-medial aspect of the tibia, and selecting a proper kirschner wire to perform reduction of a fracture block (also performing reduction from a fibula); 2. selecting a proper locking plate to be placed at a proper position, and screwing a first locking nail at the proper position to reset and preliminarily fix; 3. screwing a specially-made hollow nail into a proper position of the locking plate; 4. cutting the anterior and lateral sides of the tibia, placing a micro steel plate with a trip at a corresponding position on the right side of the fibula, connecting corresponding hollow nails through a special suture instrument, and adjusting the traction force of a suture to enable the tibiofibula to form a relatively stable state; 5. selecting a longer second locking nail, driving the second locking nail into the second locking nail from the inner side fixing steel plate, penetrating through the tibia lock to the fibula, and setting the number of the second locking nails according to the situation; 6. screwing in a proper amount of screws; 7. the wound is closed.

Furthermore, bending grooves 107 are respectively formed on two sides of the joint of the locking surface 103 and the curved surface 102.

In this embodiment, the convenient bending is laminated with the tibia.

Further, the curved surface 102 is formed with two rows of nail holes 108.

In this embodiment, the fixation is facilitated.

Further, one end surface of the plate body 101 facing away from the curved surface 102 is formed with a first k-wire hole 109, and one end surface of the curved surface 102 near the locking surface 103 is formed with a second k-wire hole 110.

In this embodiment, it is convenient to fix in advance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. A tibiofibular syndesmosis locking system, comprising: the locking plate comprises a plate body and a curved surface which is formed by extending one end of the plate body outwards and is attached to the far end of the tibia, wherein the curved surface is formed by extending one end of the curved surface, which is away from the plate body, outwards, a locking surface is formed, a first locking hole is formed in the surface of the locking surface, a plurality of pressurizing holes are formed in the surface of the plate body along the extending direction of the surface of the plate body, and a second locking hole is formed at the joint of the curved surface and the plate body;

2. The tibiofibular union locking system of claim 1 further comprising a plurality of screws secured to the tibia through said compression holes.

3. The tibiofibula combination locking system of claim 1 wherein said locking surface is formed with a curved groove on each side of the junction with said curved surface.

4. The tibiofibula combination locking system of claim 1 wherein said curved surface is formed with two rows of nail holes.

5. The tibiofibula combination locking system of claim 1 wherein one end surface of said plate body facing away from said curved surface is formed with a first k-wire hole and one end surface of said curved surface adjacent said locking surface is formed with a second k-wire hole.