CN216294230U

CN216294230U - Ulna coronal process fracture fixing steel plate

Info

Publication number: CN216294230U
Application number: CN202122520179.1U
Authority: CN
Inventors: 李宁
Original assignee: Beijing Jishuitan Hospital
Current assignee: Beijing Jishuitan Hospital
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-15
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses an ulna coronal process fracture fixation steel plate which comprises a first steel bar and a second steel bar, wherein one end of the first steel bar is provided with two suture holes for passing sutures and two Kirschner wire holes for passing Kirschner wires, the other end of the first steel bar is hinged with one end of the second steel bar, a locking module is arranged at the hinged part between the other end of the first steel bar and the one end of the second steel bar, the fixation or rotation of the first steel bar relative to the second steel bar is realized through the locking module, the other end of the second steel bar is provided with two locking threaded holes for passing screws, and two sides of the second steel bar are provided with extension pieces. The utility model is convenient to use and improves the fixing effect of the apparatus on the ulna coronal process.

Description

Ulna coronal process fracture fixing steel plate

Technical Field

The utility model relates to the field of medical instruments, in particular to an ulna coronal process fracture fixing steel plate.

Background

The ulna coronary process is an bony protrusion located in front of the proximal end of the ulna, belongs to a part of the ulna semilunar pulley concave joint surface, participates in the composition of the brachial ulnar joint, and the joint capsule in front of the elbow joint, the toe-in of the elbow medial collateral ligament and the brachial muscle dead point are all attached to the ulna coronary process. The ulnar coronal process is an integral part of the control of the elbow humeral pulley-ulnar olecranal joint hinge connection and rotational mobility stability.

Ulnar coronal fractures rarely occur alone, often associated with injury to other bony structures or soft tissues surrounding the elbow joint, and resulting in dislocation of the elbow joint. If not treated properly, severe elbow dysfunction will result. The ulna coronary fracture is generally treated mainly by surgery. At present, the existing fixing steel plate has single pertinence to the ulna coronal process fracture, and the fixing effect on the ulna coronal process is easily influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ulna coronal process fracture fixation steel plate which is convenient to use and improves the fixation effect of instruments.

The technical scheme adopted by the utility model for solving the problems is as follows:

the utility model provides a fixed steel sheet of ulna coronaries suddenly fracture, including first billet and second billet, one of first billet is served and is offered two suture holes that are used for the suture to pass and two Kirschner wire holes that are used for the Kirschner wire to pass, the other end of first billet is articulated with the one end of second billet and articulated department between the two is equipped with locking module, realize through locking module between the other end of first billet and the one end of second billet that the relative second billet of first billet is fixed or rotate, two locking screw holes that are used for the screw to pass are offered to the other end of second billet, the both sides of second billet all are equipped with the extension piece, it connects to extend piece and second billet integral type.

As a further improvement of the above technical solution, the locking module includes an insert and a locking ring, a bottom end of the insert vertically penetrates through the first steel bar and the second steel bar and is in threaded connection with the locking ring, the locking ring is embedded and fixed on the second steel bar, a central axis of the insert is in a same straight line with a central axis of a hinge of the first steel bar and the second steel bar, a diameter of a top end of the insert is larger than a diameter of a bottom end of the insert so that the first steel bar and the second steel bar can be clamped between the insert and the locking ring, an interface for connection with a screwdriver is provided at a top end of the insert, and a through hole for passing a kirschner wire is provided in the interface. Through the plug-in components of unscrewing of bottle opener or screwing for first billet and second billet can switch between fixed state and rotation state, do benefit to in the contained angle size between user's the first billet of fracture condition adjustment according to ulna coronal process and the second billet, thereby improve the fixed effect of apparatus.

As the further improvement of above-mentioned technical scheme, be equipped with the angle scale mark on the first billet, the angle scale mark encircles plug-in components setting, is equipped with indicating mark on the second billet, does benefit to the accuracy that improves contained angle between adjustment first billet and the second billet to fixed effect when the guarantee apparatus uses.

As the further improvement of the technical scheme, the edges of the first steel bar and the second steel bar are provided with cambered surface chamfers, so that the implantation safety of the instrument is improved, and the situation that the edges of the instrument scratch human tissues after implantation is avoided.

As a further improvement of the above technical solution, the first steel bar and the second steel bar are both made of stainless steel. The corrosion resistance and the good biocompatibility of the stainless steel material are beneficial to ensuring the safety of the first steel strip and the second steel strip implanted into the human body.

Compared with the prior art, the utility model has the following advantages and effects:

according to the utility model, the first steel bar and the second steel bar can be switched between the fixed state and the rotating state through the locking module, the use is convenient, and the first steel bar and the second steel bar can be subjected to targeted rotation adjustment according to the fracture condition of the ulna coronal process, so that the fixed positions of the first steel bar and the second steel bar on the ulna are changed, the use flexibility of the instrument is improved, and the fixing effect of the instrument is ensured. Simultaneously, through the suture hole that sets up on the first billet, the locking screw hole that sets up on the ke shi pinhole that sets up on the cooperation first billet and the second billet to it is fixed with the steel sheet support to have realized carrying out lasso to ulna coronary process and sew up, and convenient to use has just improved the fixed effect of apparatus. Further, through the extension piece setting on the second billet for the second billet can carry out the package clamp to the ulna and fix, has improved the fixed intensity of second billet on the ulna, does benefit to and avoids appearing because the second billet shifts and makes the fixed effect of apparatus to the ulna receive the condition of influence.

Drawings

FIG. 1 is a schematic structural view of an ulna coronal process fracture fixation plate of the present invention.

Fig. 2 is a schematic view of the connection between the first steel bar and the second steel bar shown in fig. 1.

FIG. 3 is a schematic structural view showing the use state of an ulnar coronal process fracture fixation plate according to the present invention.

The locking device comprises a first steel bar 1, a suture hole 11, a Kirschner wire hole 12, angle scale lines 13, a second steel bar 2, a locking threaded hole 21, an extension piece 22, an indication mark 23, a locking module 3, an insert 31, a locking ring 32, a connector 33, a through hole 34, an arc chamfer 4, an ulna 5 and an ulna coronal process 51.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Referring to fig. 1, this embodiment of a fixed steel plate of ulna coronal process fracture, including first billet 1 and second billet 2, one of first billet 1 is served and is offered two suture holes 11 that are used for the suture to pass and two kirschner wire holes 12 that are used for the kirschner wire to pass, the other end of first billet 1 is articulated with the one end of second billet 2 and articulated department between the two is equipped with locking module 3, realize through locking module 3 that first billet 1 is fixed or rotate relative second billet 2 between the other end of first billet 1 and the one end of second billet 2, the other end of second billet 2 is offered two locking screw holes 21 that are used for the screw to pass, the both sides of second billet 2 all are equipped with extension piece 22, extension piece 22 and second billet 2 integral type are connected.

In this embodiment, first billet 1 and second billet 2 are stainless steel.

Referring to fig. 1, the first steel bar 1 is provided with angle calibration lines 13, the angle calibration lines 13 are arranged around the insert 31, and the second steel bar 2 is provided with indication marks 23.

Referring to fig. 2, the locking module 3 includes an insert 31 and a locking ring 32, a bottom end of the insert 31 vertically penetrates through the first steel bar 1 and the second steel bar 2 and is in threaded connection with the locking ring 32, the locking ring 32 is embedded and fixed on the second steel bar 2, a central axis of the insert 31 is in the same straight line with a central axis of a hinge of the first steel bar 1 and the second steel bar 2, a diameter of a top end of the insert 31 is larger than a diameter of a bottom end thereof so that the first steel bar 1 and the second steel bar 2 can be clamped between the insert 31 and the locking ring 32, a connector 33 for connecting a screwdriver is opened at the top end of the insert 31, and a through hole 34 for passing a kirschner pin is opened in the connector 33.

Referring to fig. 2, the edges of the first steel bar 1 and the second steel bar 2 are provided with cambered chamfer angles 4.

In summary, the application method of the utility model is as follows:

the method comprises the following steps: adjusting the position relation between the first steel bar and the second steel bar according to the fracture condition of the ulna coronal process, enabling the position on the first steel bar fixed with the ulna to avoid the fracture part, reducing the fixing difficulty of the first steel bar and the second steel bar on the ulna, loosening the insert through a screwdriver, enabling the first steel bar and the second steel bar to be unlocked, enabling the first steel bar to rotate relative to the second steel bar, matching angle scale lines and indication marks until the size of a specified included angle between the first steel bar and the second steel bar is reached, and then screwing the insert through the screwdriver, so that the first steel bar and the second steel bar are in a locked state;

step two: placing the device on the ulna through the incision and fitting the ulna, wherein the first steel strip fits the ulna coronal process and the second steel strip encloses the ulna body;

step three: fixing the ulnar coronal process by a lasso suture technique, wherein a suture thread passes through a suture hole on the first steel bar;

step four: the first steel bar is fixed on the ulna by implanting a kirschner wire into the ulna from a kirschner wire hole of the first steel bar, then implanting a screw into the ulna from a locking threaded hole of the second steel bar, and implanting a kirschner wire into the ulna from a through hole of the insert, so that the second steel bar is fixed on the ulna, thereby realizing the supporting fixation of the first steel bar and the second steel bar to the ulna coronal process.

The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides an ulna coronaries breaks fixed steel plate which characterized in that: including first billet (1) and second billet (2), one of first billet (1) is served and is offered two suture holes (11) that are used for the suture to pass and two Kirschner wire holes (12) that are used for the Kirschner wire to pass, the other end of first billet (1) is articulated with the one end of second billet (2) and articulated department between the two is equipped with locking module (3), realize through locking module (3) that first billet (1) is fixed or rotate second billet (2) relatively between the other end of first billet (1) and the one end of second billet (2), two locking screw holes (21) that are used for the screw to pass are offered to the other end of second billet (2), the both sides of second billet (2) all are equipped with extension piece (22), it connects to extend piece (22) and second billet (2) integral type.

2. The ulnar coronal process fracture fixation plate of claim 1, wherein: the locking module (3) comprises an insert (31) and a locking ring (32), the bottom end of the insert (31) vertically penetrates through a first steel bar (1) and a second steel bar (2) and is in threaded connection with the locking ring (32), the locking ring (32) is embedded and fixed on the second steel bar (2), the central axis of the insert (31) and the central axis of the hinged position of the first steel bar (1) and the second steel bar (2) are in the same straight line, the diameter of the top end of the insert (31) is larger than that of the bottom end of the insert so that the first steel bar (1) and the second steel bar (2) can be clamped between the insert (31) and the locking ring (32), an interface (33) used for bottle opener connection is arranged at the top end of the insert (31), and a through hole (34) used for a Kirschner wire to pass through is formed in the interface (33).

3. The ulnar coronal process fracture fixation plate of claim 2, wherein: be equipped with angle scale mark (13) on first billet (1), angle scale mark (13) encircle plug-in components (31) and set up, are equipped with index mark (23) on second billet (2).

4. The ulnar coronal process fracture fixation plate of claim 1, wherein: the edge of first billet (1) and second billet (2) all is equipped with cambered surface chamfer (4).

5. The ulnar coronal process fracture fixation plate of claim 1, wherein: the first steel bar (1) and the second steel bar (2) are both made of stainless steel.