CN213129834U

CN213129834U - Fifth metatarsal locking plate

Info

Publication number: CN213129834U
Application number: CN202021581032.2U
Authority: CN
Inventors: 徐向阳
Original assignee: SHANGHAI SIDIDE BUSINESS CONSULTING CENTER
Current assignee: SHANGHAI SIDIDE BUSINESS CONSULTING CENTER
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-05-07
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a fifth metatarsal lockplate, lockplate include trunk portion, joint portion, basilar part and hook portion, joint portion one end and trunk portion fastening connection, the other end and the basilar part fastening connection that is used for the lockplate locking, basilar part one end and joint portion fastening connection, the other end with be used for the fixed hook portion fastening connection of lockplate, be equipped with the fixed orifices of array distribution in the trunk portion, the fixed orifices includes first screw hole and second screw hole, first screw hole and second screw hole intercommunication formation fixed orifices. The utility model discloses lockplate is integrated into one piece's steel sheet, belongs to the low notch steel sheet of anatomical form, need not in the operation to the lockplate preflex, practices thrift operating time, avoids bending the influence to lockplate intensity, and lockplate hook portion's design makes the near-end tear take off the bone piece and can closely reset the after-fixing simultaneously, reaches the effect of dissecting the restoration, simple structure, and convenient to use alleviates patient's health pressure, and the postoperative of being convenient for is recovered.

Description

Fifth metatarsal locking plate

Technical Field

The utility model relates to the field of medical equipment, specifically fifth metatarsal locking plate.

Background

The fifth metatarsal bone fracture is a relatively common fracture in clinic, is commonly seen in avulsion fracture caused by the traction of the fibula short muscle tendon after the varus sprain, can also be caused by direct damage of external force, the base part of the fifth metatarsal bone is connected with the fibula short muscle tendon, and the fibula short muscle tendon is one of the most important valgus muscle forces of the foot, and has important effects on maintaining the normal shape of the foot and maintaining the balance of the foot. At present, clinically, incision reduction and strong internal fixation are claimed for fifth metatarsal bone fracture with obvious displacement and fifth metatarsal base fracture, and incision reduction and internal fixation are also claimed for fifth metatarsal metaphysis fracture because the fracture is easy to cause fracture nonunion after fracture due to poor blood supply. The fifth metatarsal base fracture internal fixation material mainly adopts screws, but the screw fixation strength is not enough and unstable, and the reduction loss or screw fracture is easy to occur along with the functional exercise of postoperative patients under the load, and finally the operation is failed. The fifth metatarsal fracture fixation steel plate, which is specifically designed, is clinically lacking.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fifth metatarsal lockplate, the lockplate need not to bend in the operation, reduce the influence of bending to the lockplate intensity, save operating time, it is fixed with fifth metatarsal basilar part through hook portion, it controls the power to have stronger to fifth metatarsal basilar part, first screw hole, all be equipped with the chamfer on second screw hole and the third screw hole, it is amazing to the soft tissue to reduce, the lockplate is applicable to fifth metatarsal deformity and corrects the patient, the lockplate is fixed fifth metatarsal basilar part fracture, make the patient walk about in early, promote the patient to be recovered, it is fixed insecure to avoid the gypsum.

The purpose of the utility model can be realized by the following technical scheme:

and the locking plate comprises a trunk part, a combining part, a base part and a hook part, one end of the combining part is fixedly connected with the trunk part, the other end of the combining part is fixedly connected with the base part used for locking the locking plate, one end of the base part is fixedly connected with the combining part, and the other end of the base part is fixedly connected with the hook part used for fixing the locking plate.

Be equipped with the fixed orifices of array distribution on the trunk portion, the fixed orifices includes first screw hole and second screw hole, and first screw hole and second screw hole intercommunication form the fixed orifices.

Further, the trunk portion is matched and fixed with the fifth metatarsal bone through a first threaded hole through a screw, and the trunk portion is matched and fixed with the fifth metatarsal bone through a second threaded hole through a screw.

Furthermore, the combination part is formed by bending the main part towards one side, and the combination part is used for connecting the main part and the base part.

Furthermore, third threaded holes distributed in an array are formed in the base portion.

Further, the base part is matched and fixed with the fifth metatarsal base part through a screw passing through the third threaded hole.

Furthermore, one end of the hook part is fixedly connected with the base part, the other end of the hook part is bent towards one side to form a vertical plate, and an open slot is formed in the vertical plate.

Further, the locking plate is an integrally formed steel plate.

Furthermore, the locking plate is made of titanium alloy, the thickness of the locking plate is 1.5mm, the width of the locking plate is 6.5mm, and chamfers are arranged on the first threaded hole, the second threaded hole and the third threaded hole.

The utility model has the advantages that:

1. the locking plate of the utility model does not need to be bent in the operation, thereby reducing the influence of bending on the strength of the locking plate and saving the operation time, the hook part is fixed with the fifth metatarsal base part, the fifth metatarsal base part has stronger holding force, and chamfers are arranged on the first threaded hole, the second threaded hole and the third threaded hole, thereby reducing the stimulation to soft tissues;

2. the utility model discloses the lockplate is applicable to fifth metatarsal deformity correction patient, and the lockplate is fixed fifth metatarsal basilar part fracture, makes the patient walk about in early days, promotes the patient recovered, avoids the fixed or hollow nail of gypsum to fix insecurely.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of a locking plate structure of the present invention;

FIG. 2 is a schematic diagram of the structure of the locking plate of the present invention;

fig. 3 is a schematic diagram of the structure of the locking plate of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

And a fifth metatarsal locking plate, wherein the locking plate comprises a trunk part 1, a combining part 2, a base part 3 and a hook part 4, as shown in fig. 1 and 2, one end of the combining part 2 is fixedly connected with the trunk part 1, the other end of the combining part 2 is fixedly connected with the base part 3 for locking the locking plate, one end of the base part 3 is fixedly connected with the combining part 2, and the other end of the base part 3 is fixedly connected with the hook part 4 for fixing the locking plate.

As shown in fig. 3, the trunk portion 1 is provided with fixing holes 11 distributed in an array, the fixing holes 11 include first threaded holes 12 and second threaded holes 13, and the first threaded holes 12 and the second threaded holes 13 are communicated to form the fixing holes 11.

The main part 1 is matched and fixed with the fifth metatarsal by a screw through the first threaded hole 12, and the main part 1 is matched and fixed with the fifth metatarsal by a screw through the second threaded hole 13.

As shown in fig. 3, the coupling portion 2 is formed by bending the trunk portion 1 to one side, and the coupling portion 2 connects the trunk portion 1 and the base portion 3.

As shown in fig. 3, the base portion 3 is provided with third screw holes 31 distributed in an array, and the third screw holes 31 are used to fix the locking plate to the fifth metatarsal base portion, thereby facilitating the locking plate to function.

The base part 3 is fixed to the fifth metatarsal base part by screws inserted through the third threaded holes 31.

As shown in fig. 3, hook portion 4 one end fastening connection base portion 3, the other end forms riser 41 to one side bending, is equipped with open slot 42 on the riser 41, and hook portion 4 firmly fixes the fifth metatarsal basement, reduces the fixed at the hollow nail of fifth metatarsal, reduces patient's operation cost, and open slot 42 allows the fibula short tendon to pass through, reduces irritating to the fibula short tendon, avoids haring the fibula short tendon.

The locking plate is an integrally formed steel plate.

The lockplate adopts titanium alloy material, the thick 1.5mm of board of lockplate, the width 6.5mm of lockplate, all be equipped with the chamfer on first screw hole 12, second screw hole 13 and the third screw hole 31, lockplate or screw notch are too high after avoiding the operation, reduce the amazing to the soft tissue, and adopt plate-type design and high strength material such as stainless steel, pure titanium or carbon steel, fixed orifices 11 are favorable to pressurizeing between metatarsal and the cuneiform bone, provide better stability for the joint fuses, be convenient for early function exercise of postoperative, improve and fuse the rate.

During the use, the lockplate laminating fifth metatarsal need not the locking plate preflex in the art, practices thrift operating time greatly, avoids bending the influence to locking plate intensity, and hook portion 4 closely laminates with fifth metatarsal basilar part near-end, makes this fracture reset more stable firm, has shortened the recovery time of patient's postoperative, has further strengthened stability.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The fifth metatarsal locking plate comprises a main part (1), a combining part (2), a base part (3) and a hook part (4), and is characterized in that one end of the combining part (2) is fixedly connected with the main part (1), the other end of the combining part is fixedly connected with the base part (3) used for locking the locking plate, one end of the base part (3) is fixedly connected with the combining part (2), and the other end of the base part is fixedly connected with the hook part (4) used for fixing the locking plate;

the fixing holes (11) distributed in an array mode are formed in the main portion (1), the fixing holes (11) comprise first threaded holes (12) and second threaded holes (13), and the first threaded holes (12) are communicated with the second threaded holes (13) to form the fixing holes (11).

2. A fifth metatarsal locking plate according to claim 1, characterised in that the trunk (1) is secured in engagement with the fifth metatarsal by screws through a first threaded hole (12), and the trunk (1) is secured in engagement with the fifth metatarsal by screws through a second threaded hole (13).

3. A fifth metatarsal locking plate according to claim 1, characterised in that the join (2) is formed by the trunk (1) being bent to one side, the join (2) being intended to connect the trunk (1) and the base (3).

4. A fifth metatarsal locking plate according to claim 1, characterised in that the base portion (3) is provided with an array of third threaded holes (31).

5. A fifth metatarsal locking plate according to claim 4, characterised in that the base part (3) is secured in cooperation with the fifth metatarsal base part by means of screws through the third threaded holes (31).

6. A fifth metatarsal locking plate according to claim 1, characterised in that the hook (4) is fastened to the base part (3) at one end and bent to one side to form a riser (41), the riser (41) being provided with an open slot (42).

7. The fifth metatarsal locking plate of claim 1, wherein said locking plate is an integrally formed steel plate.

8. The fifth metatarsal locking plate according to claim 1, characterized in that, the locking plate is made of titanium alloy, the thickness of the locking plate is 1.5mm, the width of the locking plate is 6.5mm, and chamfers are arranged on the first threaded hole (12), the second threaded hole (13) and the third threaded hole (31).