CN210019608U - Anterior-lateral tibial plateau locking steel plate - Google Patents

Abstract

The utility model provides a reach outer side locking steel sheet before tibial plateau belongs to the steel sheet field for the fracture. The problem that the existing tibial plateau front outer side steel plate cannot effectively fix the tibial plateau rear outer side is solved, and the problems that the tibial plateau rear side approach operation time is long, the wound is large, the risk is high and the like are solved. This outer side locking steel sheet before tibial plateau includes the steel sheet body, and the steel sheet body includes mutually perpendicular's horizontal segment and the vertical section that is the L type, has all seted up a plurality of fixed orificess on horizontal segment and the vertical section, all is equipped with the internal thread on the fixed orifices, and the fixed orifices is used for inserting the fix with screw on the bone, and the horizontal segment tip still is equipped with a plurality of lugs, all is equipped with the trompil on the lug, still is equipped with on vertical section and the horizontal section junction and bends, the radian laminating people's bone joint convex part of bending. The utility model has the advantages of simple operation, short operation time, simple and sufficient exposure of the anterior lateral approach, and the rigidity and fixation of the posterior lateral of the tibial plateau through the anterior lateral approach.

Description

Anterior-lateral tibial plateau locking steel plate

Technical Field

The utility model belongs to the technical field of the steel sheet is used in the fracture, in particular to outer locking steel sheet before tibial plateau.

Background

The clinical incidence of posterolateral tibial plateau fractures accounts for about 10-15% of all tibial plateau fractures, and due to special anatomical positions, surgical sites are difficult to expose, and bone blocks are small and difficult to internally fix. Most researchers focus on the selection of surgical approaches, and the aim of the researches is to more clearly expose and restore the fixed external fracture block on the basis of ensuring the safety of the vascular nerve. Clinically, approaches such as posterior median and inverted L and fibula osteotomy are widely applied clinically, but the approaches have the problems of high probability of vascular nerve injury, insufficient exposure of posterolateral bone mass, difficult internal fixation and placement and the like. At present, the internal fixation treatment for the fracture reduction of the posterior lateral side of the tibial plateau is carried out by the upper anterior lateral side approach of the fibula, the existing steel plate is generally directly used after being manually molded, however, in the method, the screw cannot be driven to the posterior lateral side area of the tibial plateau, the posterior lateral side bone block cannot be effectively supported and fixed, the patient cannot bend the knee in early stage to exercise, and the problem of operation failure is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fixed effectual and short tibial plateau anterolateral locking steel sheet of operating time to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an outer side locking steel sheet before tibial plateau, a serial communication port, includes the steel sheet body, the steel sheet body include mutually perpendicular be the horizontal segment and the vertical section of L type, horizontal segment and vertical section on all seted up a plurality of fixed orificess, the fixed orifices on all be equipped with the internal thread, the fixed orifices be used for inserting the fix with screw on the bone, horizontal segment tip still be equipped with a plurality of lugs, the lug on all be equipped with the trompil, vertical section and horizontal section junction on still be equipped with and bend, the radian laminating people's bone joint bulge of bending.

The utility model discloses a theory of operation: during the operation, only need carry out the operation in knee joint anterolateral side, the posterolateral operation time is short and expose more fully in the anterolateral side comparison, can stably fix this locking steel sheet on the bone through fixed orifices and adjustable screw hole on this locking steel sheet, can effectively support the posterolateral side of bone through the screw, improved internal fixation's stability, promoted the operation success rate greatly for the patient can just carry out knee joint bucking function exercise in the early stage that the operation ended.

In the tibial plateau anterolateral locking steel plate, the inner surface of the opening is spherical.

In foretell tibial plateau anterolateral locking steel sheet, the trompil on all be equipped with the universal ring, the universal ring be ring shape, the outer circumference of universal ring body personally submit with trompil matched with spherical shape, one side ring mouth of universal ring body on evenly seted up a plurality of open slots, be equipped with on the inner wall of universal ring body with the internal thread.

In the tibial plateau anterolateral locking steel plate, the universal ring body always has the tendency of keeping the size of the initial ring opening under the action of self tension.

In the tibial plateau anterolateral locking steel plate, the number of the lugs is 2, the joint of the transverse section and the first lug can be broken off under the action of external force, and the joint of the second lug and the first lug can also be broken off under the action of external force.

In the tibial plateau anterolateral locking steel plate, the joint of the transverse section and the first lug and the joint of the second lug and the first lug are both provided with arc openings, and the arc openings are used for enabling the joints to be broken off more easily.

In the tibial plateau anterolateral locking steel plate, the bending part is further provided with a waist hole, and the waist hole is used for enabling the bending part to be adjusted and bent more easily.

In the tibial plateau anterolateral locking steel plate, the fixing holes in the vertical section are 4 holes shaped like a Chinese character '8' and 1 round hole.

In the above tibial plateau anterolateral locking steel plate, the number of the fixing holes on the transverse section is 7.

The utility model has the advantages that: the utility model discloses compare the fixed steel sheet of current back outside operation, not only operation time is shorter, exposes simply moreover, and the laminating degree of steel sheet and bone surface has been guaranteed in the design of steel sheet head flexible deformation, and the design of steel sheet head universal hole has guaranteed that the screw can carry out an effectual support to tibial plateau back outside fixed, has improved the stability and the operation security of internal fixation greatly for patient's postoperative early knee joint buckling function exercise can be carried out.

Drawings

Fig. 1 is an isometric schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of a portion of the gimbal ring of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention secured to a bone;

fig. 4 is a fixed schematic view of the present invention;

in the figure, 1, a steel plate body; 2. a transverse section; 3. a vertical section; 4. a fixing hole; 5. a bump; 6. a gimbal ring; 7. bending; 8. opening a hole; 9. an open slot; 10. an arc opening; 11. a waist hole.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, this tibial plateau anterolateral locking steel sheet includes steel sheet body 1, steel sheet body 1 includes mutually perpendicular horizontal section 2 and vertical section 3 that are the L type, a plurality of fixed orificess 4 have all been seted up on horizontal section 2 and the vertical section 3, all be equipped with the internal thread on the fixed orifices 4, fixed orifices 4 are used for inserting the fix with screw on the bone, 2 tip of horizontal section still are equipped with a plurality of lugs 5, all be equipped with trompil 8 on the lug 5, still be equipped with on vertical section 3 and the horizontal section 2 junction and bend 7, bend 7 radian laminating people's bone joint bulge.

More specifically, the inner surface of the opening 8 is spherical.

In a detailed description, the opening 8 is provided with the universal ring 6, the universal ring 6 is in a ring shape, the outer circumference of the body of the universal ring 6 is in a spherical shape matched with the opening 8, a plurality of open grooves 9 are uniformly formed in the ring opening on one side of the body of the universal ring 6, and the inner wall of the body of the universal ring 6 is provided with an internal thread. Simple structure not only can change the direction of advancing of screw, does not influence the locking effect again, has promoted the fixed effect of this steel sheet greatly.

In further detail, the body of the gimbal ring 6 always has a tendency to maintain the size of the initial ring opening under its own tension. When the universal ring 6 body enables the ring opening to be inwardly folded and closed under the action of external force, the universal ring 6 body can be just placed into the opening 8, and after the external force is removed, the universal ring 6 body is outwardly opened under the action of self tension, so that the universal ring 6 body is just movably matched and locked with the opening 8 through the spherical outer circumferential surface of the universal ring.

In order to be able to adapt to persons of various bone sizes, the number of the projections 5 is 2, the connection between the transverse section 2 and the first projection 5 can be broken off under the action of an external force, and the connection between the second projection 5 and the first projection 5 can also be broken off under the action of an external force.

In more detail, in order to break the bump 5 more easily, the connecting portion of the transverse section 2 and the first bump 5 and the connecting portion of the second bump 5 and the first bump 5 are both provided with arc openings 10, and the arc openings 10 are used for making the connecting portions break more easily.

In more detail, a waist hole 11 is further formed in the position of the bend 7, and the waist hole 11 is used for enabling the bend 7 to be easily adjusted. The strength of the bend 7 is reduced, so that the bending joint can be more easily attached to the surface of the bone by external force.

Preferably, in order to fix the steel plate more stably and adjust the fixing height of the steel plate, the fixing holes 4 on the vertical section 3 are 4 8-shaped holes and 1 round hole.

Preferably, the number of the fixing holes 4 of the horizontal section 2 is 7 in order to make the steel plate fixing more stable.

As shown in fig. 3 and 4, only the antero-lateral aspect of the knee joint, which is shorter and more exposed than the postero-lateral aspect, is performed, the locking steel plate can be stably fixed on the bone through the fixing hole 4 and the universal ring 6 on the locking steel plate, the screw of the fixing hole 4 is nailed from the front outer side of the tibial plateau and faces to the inner side column of the tibial plateau, the screw penetrating into the universal ring 6 penetrates from the front outer side of the tibial plateau to the rear outer side column of the tibial plateau, meanwhile, the universal ring 6 can realize universal adjustment of the screw near the articular surface, the taper of the bottom diameter of the screw is increased along with the screwing-in of the screw, the universal ring 6 is expanded, the screw is fixed at an expected angle, the restoration of the near articular surface is ensured not to be lost, can effectively support the back outside of bone through the screw, improve the stability of internal fixation, promote the operation success rate greatly for the patient can just carry out knee joint bucking function exercise in the early stage that the operation ended.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms steel plate body 1, transverse section 2, vertical section 3, fixing hole 4, projection 5, gimbal ring 6, bend 7, opening 8, open slot 9, circular arc opening 10, waist hole 11, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (9)

1. The utility model provides an outer locking steel sheet before tibial plateau, its characterized in that includes steel sheet body (1), steel sheet body (1) including mutually perpendicular be horizontal section (2) and vertical section (3) of L type, horizontal section (2) and vertical section (3) on all seted up a plurality of fixed orificess (4), fixed orifices (4) on all be equipped with the internal thread, fixed orifices (4) be used for inserting the fix with screw on the bone, horizontal section (2) tip still be equipped with a plurality of lugs (5), lug (5) on all be equipped with trompil (8), vertical section (3) and horizontal section (2) junction on still be equipped with bend (7), bend (7) radian laminating human bone joint convex part.

2. The tibial plateau anterolateral locking plate of claim 1, wherein the inner surface of said opening (8) is spherical.

3. The tibial plateau anterolateral locking steel plate according to claim 1, wherein the opening (8) is provided with universal rings (6), each universal ring (6) is annular, the outer circumferential surface of the body of each universal ring (6) is spherical and matched with the opening (8), a plurality of open grooves (9) are uniformly formed in the annular opening on one side of the body of each universal ring (6), and the inner wall of the body of each universal ring (6) is provided with internal threads.

4. The tibial plateau anterolateral locking plate according to claim 3, wherein the gimbal ring (6) body has a tendency to maintain the initial ring opening size at all times under its own tension.

5. The tibial plateau anterolateral locking plate according to claim 4, wherein the number of the projections (5) is 2, and the junction of the transverse segment (2) and the first projection (5) is breakable by an external force, and the junction of the second projection (5) and the first projection (5) is breakable by an external force.

6. The tibial plateau anterolateral locking steel plate according to claim 5, wherein the junction of the transverse segment (2) and the first projection (5) and the junction of the second projection (5) and the first projection (5) are both provided with circular arc openings (10), and the circular arc openings (10) are used for facilitating the fracture of the junctions.

7. The tibial plateau anterolateral locking steel plate according to claim 6, wherein a waist hole (11) is further formed at the bend (7), and the waist hole (11) is used for facilitating bending adjustment at the bend (7).

8. The tibial plateau anterolateral locking plate according to claim 1, wherein the fixing holes (4) on the vertical section (3) are 4 8-shaped holes and 1 circular hole.

9. The tibial plateau anterolateral locking plate of claim 1, wherein the number of fixation holes (4) on the transverse segment (2) is 7.

Images