CN217472057U

CN217472057U - Anatomical form malleolus medialis lockplate

Info

Publication number: CN217472057U
Application number: CN202220281397.6U
Authority: CN
Inventors: 祝少博; 赵勇; 王建
Original assignee: Tianjin Zhengtian Medical Instrument Co Ltd; Beijing Naton Medical Technology Holdings Co Ltd
Current assignee: Tianjin Zhengtian Medical Instrument Co Ltd; Beijing Naton Medical Technology Holdings Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-09-23
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses an anatomical form malleolus internal malleolus lockplate, this anatomical form malleolus internal malleolus lockplate include the plate body and set up the locking hole on the plate body, the plate body includes interconnect's distal portion and proximal portion, the distal portion is used for the cladding the malleolus internal malleolus, the distal portion includes first hook and the second hook that the interval set up, first hook be used for with the laminating of the preceding dun of malleolus internal malleolus, the second hook be used for with the laminating of the back dun of malleolus internal malleolus, the length of first hook is greater than the length of second hook. The utility model discloses an ankle lockplate in anatomical form, distal portion can carry out the cladding to the ankle, can be favorable to the fixed to the comminuted fracture of ankle. The first hook and the second hook length of distal portion are different, and the anterior hump of malleolus that uses length longer first hook to wrap up fixedly, and the posterior hump of malleolus length is shorter, then uses the second hook that length is shorter to wrap up fixedly, can have corresponding the fixing according to the bone shape of malleolus, plays good fixed effect.

Description

Anatomical form malleolus medialis lockplate

Technical Field

The utility model relates to the technical field of medical equipment, in particular to ankle lockplate in anatomical form.

Background

Ankle fracture lesion in tibia can cause ankle joint pain, deformity and walking disorder of patients, and serious people can influence daily life and movement of patients. The internal tibial ankle fracture operation treatment mainly comprises bone bolt internal fixation, and for smaller split fractures, cancellous bone screws can be selected for internal fixation; and for the crushing and the symptoms of the multi-block fracture to be serious, a plurality of screws are required to be selected for internal fixation in different modes, so that the reduction of the compression fracture is promoted, and spongy bone and bone cement are applied to the bone defect part for filling. However, the disadvantages of multiple cannulated screws are obvious, for example: 1. the comminuted medial malleolus spicules cannot be stably fixed; 2. and cannot provide reliable fixation for the longitudinal split medial malleolus spicule.

Therefore, there is a need for an anatomical medial malleolus locking plate that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ankle lockplate in anatomical form can be applied to comminuted or polylith fracture, can realize providing stable fixed to ankle part.

The utility model discloses a can realize through following technical scheme.

The utility model provides an ankle locking plate in anatomical form, includes the plate body and sets up the locking hole on the plate body, the plate body includes interconnect's distal portion and proximal portion, the distal portion is used for the cladding interior ankle, the distal portion includes first hook and the second hook that the interval set up, first hook is used for with the laminating of the preceding dun of interior ankle, the second hook is used for with the laminating of the back dun of interior ankle, the length of first hook is greater than the length of second hook.

In a preferred embodiment of the anatomical internal ankle locking plate, the distal portion of the plate has a triangular configuration, the proximal portion of the plate has a linear configuration, and the width of the distal portion is greater than the width of the proximal portion.

As a preferable mode of the anatomical type medial malleolus locking plate described above, a concave arc-shaped connecting portion is formed between the first hook and the second hook.

As a preferable mode of the anatomical internal ankle locking plate, the first hook, the second hook, and the connecting portion are each provided with a first locking hole whose axial direction is inclined to the proximal end portion of the plate body.

As a preferable mode of the above anatomical type medial malleolus locking plate, the distal end portion is provided with a plurality of second locking holes aligned along both side edges connected to the proximal end portion.

As a preferable mode of the above anatomic type medial malleolus locking plate, a locking pressurizing hole is provided at a proximal end portion of the plate body.

As a preferable mode of the above anatomic type medial malleolus locking plate, a plurality of third locking holes are provided at the proximal end portion of the plate body.

As a preferable proposal of the anatomic inner ankle locking plate, the end part of the proximal end part is in a wedge-shaped structure.

As a preferable proposal of the anatomic inner ankle locking plate, the end part of the proximal end part is provided with a Kirschner wire hole.

As a preferable mode of the above anatomic type medial malleolus locking plate, the plate body has a thickness gradually decreasing from the proximal end portion to the distal end portion.

The utility model discloses following beneficial effect has.

The utility model discloses an anatomical form ankle in ankle lockplate's anatomical structure can increase the laminating degree of lockplate and shin bone ankle in, can guarantee to reset and fixed effect. The distal portion can wrap the medial malleolus, which can facilitate fixation against comminuted fracture of the medial malleolus. The first hook and the second hook length of distal portion are different, and to dune before the long medial malleolus of length then use the long first hook of length to carry out the parcel fixed, and dune length is short behind the medial malleolus, then use the short second hook of length to carry out the parcel fixed, can be according to the bone shape of medial malleolus corresponding fixed, play good fixed effect.

Drawings

FIG. 1 is a schematic view showing the structure of an anatomic type inner ankle locking plate according to this embodiment;

FIG. 2 is another angular configuration of the anatomical medial malleolus locking plate of the present embodiment;

fig. 3 is a schematic structural view of the medial malleolus to which the present invention is fixed.

Wherein, 1, a plate body; 2. a distal portion; 3. a proximal end portion; 4. a first hook; 5. a second hook; 6. a connecting portion; 7. a first locking hole; 8. a second locking hole; 9. locking the pressurizing hole; 10. a third locking hole; 11. and (4) forming a kirschner wire hole.

Detailed Description

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

As shown in fig. 1 to 3, the present embodiment provides an anatomical type inner ankle locking plate, which includes a plate body 1 and a locking hole provided on the plate body 1, the plate body 1 includes a distal end portion 2 and a proximal end portion 3 connected to each other, the distal end portion 2 is configured to cover an inner ankle, the distal end portion 2 includes first and

second hooks

4 and 5 provided at an interval, the first hook 4 is configured to be attached to a front hump of the inner ankle, the second hook 5 is configured to be attached to a rear hump of the inner ankle, and a length of the first hook 4 is greater than a length of the second hook 5.

In this embodiment, the anatomical structure of the anatomical form medial malleolus lockplate can increase the laminating degree of lockplate and medial malleolus of shin bone, can guarantee to reset and fixed effect. The distal portion 2 can wrap the medial malleolus and can facilitate fixation against comminuted fracture of the medial malleolus. First hook 4 and the 5 length differences of second hook of distal portion 2 use the longer first hook 4 of length to wrap up fixedly before the long ankle of length, and the rear dune length of ankle is shorter, uses the shorter second hook 5 of length to wrap up fixedly, can have corresponding fixing according to the bone shape of ankle, plays good fixed effect.

As shown in fig. 1, the distal end portion 2 of the plate body 1 has a triangular structure, the proximal end portion 3 of the plate body 1 has a linear structure, and the width of the distal end portion 2 is greater than that of the proximal end portion 3. The proximal portion 3 of the plate body 1 is intended to be disposed along the length of the tibia.

As shown in fig. 2 and 3, a concave arc-shaped connecting portion 6 is formed between the first hook 4 and the second hook 5 of the distal end portion 2. The first hook 4, the second hook 5 and the connecting portion 6 are provided with a first locking hole 7, and an axial direction of the first locking hole 7 is inclined to the proximal end portion 3 of the plate body 1. The locking screw is implanted into the first locking hole 7 in the inclined upward direction, so that the small fracture block can be reset and fixed, and the mechanical stability is improved. The angles of the first hook 4, the second hook 5, and the locking screw in the first locking hole 7 provided at the connecting portion 6 with respect to the vertical direction are 50 °, 60 °, and 43 °, respectively.

The distal end portion 2 is provided with a plurality of second locking holes 8, and the plurality of second locking holes 8 are aligned along both side edges connected to the proximal end portion 3. The three first locking holes 7 and the plurality of second locking holes 8 are arranged in a triangular shape, and can effectively fix a fracture block corresponding to the distal end portion 2.

The proximal end portion 3 of the plate body 1 is provided with the locking pressurizing hole 9, so that the pressurizing position can be conveniently adjusted, and the applicability is wide.

A plurality of third locking holes 10 are provided in the proximal end portion 3 of the

plate body

1, and 1 to 5 third locking holes 10 may be provided in the proximal end portion 3 according to the length of the proximal end portion 3.

The end of the proximal portion 3 is wedge-shaped to facilitate insertion of the anatomical internal ankle locking plate when implanted.

The tip of proximal end portion 3 is provided with kirschner wire hole 11, can utilize kirschner wire hole 11 to fix the locking plate temporarily, makes things convenient for the operation.

The plate body 1 has a thickness gradually decreasing from the proximal portion 3 to the distal portion 2, preferably, the thickness of the proximal portion 3 is 2.5mm, the thickness of the distal portion 2 is 2mm, and the portion connected between the proximal portion 3 and the distal portion 2 has a transition region with a thickness gradually decreasing from 2.5mm to 2 mm. The thickness of the plate body 1 is designed to avoid the protrusion of the corresponding medial malleolus protrusion part of the distal end part 2, so that the surgical position of a patient is kept beautiful, the stimulation to the corresponding part of soft tissue is reduced, and the surgical complications are reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An anatomical medial ankle locking plate, comprising: including plate body (1) and the locking hole of setting on plate body (1), plate body (1) is including interconnect's distal portion (2) and proximal portion (3), distal portion (2) are used for the cladding the malleolus internus, distal portion (2) are including first hook (4) and second hook (5) that the interval set up, first hook (4) are used for with the laminating of the preceding dune of malleolus internus, second hook (5) are used for with the laminating of the back dune of malleolus internus, the length of first hook (4) is greater than the length of second hook (5).

2. An anatomical internal ankle locking plate as claimed in claim 1, wherein: the plate body (1) the distal end portion (2) is of a triangular structure, the proximal end portion (3) of the plate body (1) is of a linear structure, and the width of the distal end portion (2) is larger than that of the proximal end portion (3).

3. An anatomic medial malleolus locking plate as claimed in claim 1, wherein: a concave arc-shaped connecting part (6) is formed between the first hook (4) and the second hook (5).

4. An anatomical internal ankle locking plate as claimed in claim 3, wherein: first hook (4), second hook (5) and connecting portion (6) all are provided with first locking hole (7), the axial slant of first locking hole (7) near end portion (3) of plate body (1).

5. An anatomical internal ankle locking plate as claimed in claim 4, wherein: the distal end portion (2) is provided with a plurality of second locking holes (8), and the plurality of second locking holes (8) are arranged along both side edges connected to the proximal end portion (3).

6. An anatomical internal ankle locking plate as claimed in claim 1, wherein: a locking pressurization hole (9) is arranged at the proximal end part (3) of the plate body (1).

7. An anatomical internal ankle locking plate as claimed in claim 1, wherein: a plurality of third locking holes (10) are arranged at the proximal end part (3) of the plate body (1).

8. An anatomical internal ankle locking plate as claimed in claim 1, wherein: the end part of the proximal end part (3) is in a wedge-shaped structure.

9. An anatomic medial malleolus locking plate as claimed in claim 1, wherein: the end of the proximal end part (3) is provided with a Kirschner wire hole (11).

10. An anatomic medial malleolus locking plate as claimed in claim 1, wherein: the plate body (1) tapers in thickness from the proximal end portion (3) to the distal end portion (2).