Craniomaxillofacial bone fracture plate fixing device

Abstract

The utility model provides a cranio-maxillofacial bone fracture plate fixing device, which belongs to the technical field of bone fracture plate fixing devices and structurally comprises a main bone fracture plate, a plurality of first sinking screw holes are formed in the middle of the top surface of the main bone fracture plate at intervals, and a first position adjusting groove and a second position adjusting groove are formed in the front side and the rear side of the main bone fracture plate. The first position adjusting groove and the second position adjusting groove are each movably sleeved with a plurality of fixing devices, the bone fracture plate fixing devices can be fixed to a large bone through the main bone fracture plate to serve as main supporting points, and then the first fixing plate and the second fixing plate are sleeved and spliced in the adjustable direction; therefore, all the bone fragments can be locked on the first fixing plate and the second fixing plate to be spliced, a small bone fragment does not serve as a supporting point, some small bone fragments can be locked and spliced only by punching one screw hole, the installation difficulty is lowered, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of craniofacial bone plate fixing devices, belong to bone plate fixing device technical field. BACKGROUND

[0002] At present, clinical generally uses the method of multiple bone plates together to carry out bone reduction fixation, and the fixation of each bone plate is mainly supported by bone when multiple bone plates are used together, but the area of some bone crushing is small, and it is not possible to punch multiple holes to splice support multiple bone plates, thereby increasing the installation difficulty of using ordinary bone plate, for the above-mentioned deficiencies, the utility model provides a kind of craniofacial bone plate fixing device. UTILITY MODEL CONTENT

[0003] In view of the deficiencies of the prior art, the utility model aims to provide a kind of craniofacial bone plate fixing device to solve the existing problems.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a kind of craniofacial bone plate fixing device, its structure includes main bone plate, and multiple first sunken screw holes are arranged in the middle part of the top surface of main bone plate with interval, and first position adjusting groove and second position adjusting groove are arranged on the front and back sides of main bone plate, and multiple fixing devices are movably sleeved on the first position adjusting groove and the second position adjusting groove.

[0005] Each of the fixing devices includes a position adjusting seat, a first fixing plate is sleeved on the position adjusting seat, and multiple second fixing plates are sleeved on the first fixing plate.

[0006] Further improvement is that first clamping slide and second clamping slide are symmetrically arranged on both sides of the first position adjusting groove bottom, multiple first screw holes are arranged between the first clamping slide and the second clamping slide with interval, oblique sections are arranged on the inner and outer sides of the first position adjusting groove, and the first position adjusting groove and the second position adjusting groove are the same in structure.

[0007] Further improvement is that first clamping slide block and second clamping slide block are symmetrically arranged on the right side of the top surface of the position adjusting seat, multiple second sunken screw holes are arranged through the first clamping slide block and the second clamping slide block, first spline seat is arranged on the left side of the top surface of the position adjusting seat, and second screw hole is arranged in the middle part of the cavity of the first spline seat.

[0008] Further improvement is that multiple third sunken screw holes are arranged on the first fixing plate with interval, second spline seat is arranged on the top surface between the adjacent two third sunken screw holes, third screw hole is arranged in the middle part of the cavity of each second spline seat, first spline is arranged on the bottom surface of one side of the first fixing plate, and fourth sunken screw hole is arranged through the middle part of the first spline.

[0009] A further improvement is that each of the second fixing plates is provided with a plurality of fifth recessed screw holes spaced apart, and each of the second fixing plates is provided with a second spline on one end of its bottom surface, with a sixth recessed screw hole extending through the middle of the second spline.

[0010] The beneficial effects of the utility model are:

[0011] This utility model provides a craniofacial bone plate fixation device. The device, consisting of an adjustable base, a first fixation plate, and a second fixation plate, is connected to the main bone plate in an adjustable position. This craniofacial bone plate fixation device can be fixed to a larger bone as a main support point using the main bone plate. Then, the first and second fixation plates are adjusted and fitted together, locking all bone fragments onto the first and second fixation plates for splicing. This prevents smaller bone fragments from acting as support points, allowing for locking and splicing of smaller bone fragments with just a single screw hole, reducing installation difficulty and enhancing practicality. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the craniofacial bone plate fixation device of this utility model;

[0013] Figure 2 This is a schematic diagram of the main bone plate structure of this utility model;

[0014] Figure 3 This is a schematic diagram of the adjusting seat structure of this utility model;

[0015] Figure 4 This is a schematic diagram of the first fixing plate structure of this utility model;

[0016] Figure 5 This is a schematic diagram of the second fixing plate structure of this utility model. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0018] Please see Figures 1-5 The present invention provides a schematic diagram of a craniofacial bone plate fixation device: its structure includes a main bone plate 1, and a plurality of first sinking screw holes 11 are spaced apart in the middle of the top surface of the main bone plate 1, and a first adjustment groove 12 and a second adjustment groove 13 are provided on the front and rear sides of the main bone plate 1, and a plurality of fixation devices 2 are movably sleeved on the first adjustment groove 12 and the second adjustment groove 13.

[0019] Each of the fixing devices 2 includes an adjusting seat 21, on which a first fixing plate 22 is sleeved, and on the first fixing plate 22 a plurality of second fixing plates 23 are sleeved.

[0020] The first adjustment groove 12 has a first locking slide 121 and a second locking slide 122 symmetrically opened on both sides of the bottom of the groove, and a plurality of first screw holes 123 are opened between the first locking slide 121 and the second locking slide 122. The first adjustment groove 12 has an inclined section 124 on the inner and outer sides of the groove. The first adjustment groove 12 and the second adjustment groove 13 have the same structure.

[0021] The right side of the bottom surface of the adjusting seat 21 is symmetrically provided with a first locking slider 211 and a second locking slider 212. A plurality of second sinking screw holes 213 are provided through the first locking slider 211 and the second locking slider 212. The left side of the top surface of the adjusting seat 21 is provided with a first spline seat 214. A second screw hole 215 is provided in the middle of the cavity of the first spline seat 214.

[0022] The first fixing plate 22 is provided with a plurality of third recessed screw holes 221 spaced apart, and a second spline seat 222 is provided on the top surface between two adjacent third recessed screw holes 221, and a third screw hole 223 is provided in the middle of the cavity of each second spline seat 222. A first spline 224 is provided on the bottom surface of one side of the first fixing plate 22, and a fourth recessed screw hole 225 is provided through the middle of the first spline 224.

[0023] Each of the second fixing plates 23 is provided with a plurality of fifth recessed screw holes 231 spaced apart, and each of the second fixing plates 23 is provided with a second spline 232 on one end of the bottom surface, and a sixth recessed screw hole 233 is provided through the middle of the second spline 232.

[0024] Working principle:

[0025] In use, the main bone plate 1 is first fixed to a large craniofacial bone using screws through the first recessed screw holes 11 on each of the first recessed screw holes 11. Then, according to the direction of the bone fragments to be assembled, the adjustment seats 21 are installed at corresponding positions on the first adjustment groove 12 and the second adjustment groove 13. The number of adjustment seats 21 depends on the actual situation. Then, the position and extension direction of the first fixing plate 22 are fixed by the engagement of the first spline 224 with the first spline seat 214 and by the screws locking the second screw hole 215 with the fourth recessed screw hole 225. 13 The bone fragments are assembled by locking them with screws. Multiple first fixing plates 22 can be spliced ​​together with the first spline 224 through the second spline seat 222, thus extending the length of the first fixing plate 22. When the bone fragments are spliced ​​to the end, they are extended through the second spline 232 and the second spline seat 222. The fifth recessed screw hole 231 is used to lock and fix the bone fragments with screws. Through the above operation, smaller bone fragments can be spliced ​​with only one screw hole. The main support is on the first fixing plate 22 and the second fixing plate 23.

[0026] Firstly, the basic principles, main features, and advantages of this utility model have been shown and described above. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A craniofacial bone plate fixation device, characterized by: The structure includes a main bone plate (1), and a plurality of first sunken screw holes (11) are arranged in the middle of the top surface of the main bone plate (1) in a spaced manner, and first and second position adjusting grooves (12) and (13) are arranged on the front and rear sides of the main bone plate (1), a plurality of fixing devices (2) are movably arranged on the first and second position adjusting grooves (12) and (13). Each fixing device (2) includes a position adjusting seat (21), a first fixing plate (22) is sleeved on the position adjusting seat (21), and a plurality of second fixing plates (23) are sleeved on the first fixing plate (22).

2. A craniofacial bone plate fixation device according to claim 1, wherein: The first and second position adjusting grooves (12) and (13) are symmetrically provided with first and second clamping slide grooves (121) and (122) on both sides of the groove bottom, a plurality of first screw holes (123) are arranged between the first and second clamping slide grooves (121) and (122), and a slope section (124) is arranged on the inner and outer sides of the first position adjusting groove (12).

3. A craniofacial bone plate fixation device according to claim 2, wherein: The position adjusting seat (21) is symmetrically provided with first and second clamping slide blocks (211) and (212) on the right side of the bottom surface, a plurality of second sunken screw holes (213) are arranged between the first and second clamping slide blocks (211) and (212), a first spline seat (214) is arranged on the left side of the top surface of the position adjusting seat (21), and a second screw hole (215) is arranged in the middle of the cavity of the first spline seat (214).

4. A craniofacial bone plate fixation device according to claim 3, wherein: A plurality of third sunken screw holes (221) are arranged on the first fixing plate (22) in a spaced manner, a second spline seat (222) is arranged on the top surface between adjacent two third sunken screw holes (221), a third screw hole (223) is arranged in the middle of the cavity of each second spline seat (222), a first spline (224) is arranged on the bottom surface of one side of the first fixing plate (22), and a fourth sunken screw hole (225) is arranged in the middle of the first spline (224).

5. A craniofacial bone plate fixation device according to claim 4, wherein: A plurality of fifth sunken screw holes (231) are arranged on each second fixing plate (23) in a spaced manner, a second spline (232) is arranged on the bottom surface of one end of each second fixing plate (23), and a sixth sunken screw hole (233) is arranged in the middle of the second spline (232).

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