CN210044104U - Anatomical metal bone fracture plate capable of realizing fit of bone plate and skeleton - Google Patents

Abstract

The utility model discloses an anatomical metal bone plate that can realize the bonding between bone plates and bones, which comprises a metal bone plate body, a segment I plate body, a segment II plate body and a segment III plate body. The I-section plate body and the II-section plate body, one end of the I-section plate body is installed with the II-section plate body in the horizontal direction, and the I-section plate body and the II-section plate body are an integral structure, and the I-section plate body and the II-section plate body are integrated. There is a "T"-shaped structure between the plates. The utility model can make the metal bone plate body and the bone more stably installed by arranging the clamp piece, and increase the stability of the metal bone plate body during use; The metal bone plate body is connected with the III-section plate body as a whole, which increases the length of the metal bone plate body; the metal bone plate body has a high degree of fit with the bone, and its corrosion resistance, mechanical properties and biocompatibility are relatively high. powerful.

Description

An anatomical metal bone plate that can achieve bone plate and bone fit

technical field

The utility model relates to the technical field of bone plate, in particular to an anatomical metal bone plate which can realize the adhesion of a bone plate and a bone.

Background technique

Bone plate is an internal fixation device for plate-like fractures with holes. It is often used in combination with bone screws or bone wires in clinical practice. It is divided into two types: ordinary bone plates and compression bone plates. L-shaped, T-shaped, etc. At present, most of the anatomical metal bone plates on the domestic market are made of 00Cr18Ni14Mo3 stainless steel material or pure titanium material or TC4 titanium alloy material. The mechanical properties and biocompatibility of pure titanium and TC4 materials can meet the requirements of implant materials, but pure titanium plates are found to be slightly insufficient in strength when used in comparative weight-bearing parts in a large number of clinical trials, and relatively speaking, the probability of plate breakage is high, and the "V" in the chemical elements of TC4 materials used in the early stage has toxicity.

However, the metal bone plate body currently on the market is not well fitted to the bone, has poor corrosion resistance, mechanical properties and biocompatibility, cannot fix the patient's bone well, has poor plasticity, and cannot To realize the connection of the metal bone plate body, the length of the metal bone plate body cannot be increased. Therefore, those skilled in the art provide an anatomical metal bone plate that can realize the bonding between the bone plate and the bone, so as to solve the problems raised in the above background art.

Utility model content

The purpose of the present invention is to provide an anatomical metal bone plate that can realize the bonding between the bone plate and the bone, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the utility model provides the following technical solutions:

An anatomical metal bone plate that can realize the bonding of bone plate and bone, including metal bone plate body, I-section plate body, II-section plate body, III-section plate body connection components, the metal bone plate body includes I-section plate body One end of the I-section plate body is installed with the II-section plate body in the horizontal direction, and the I-section plate body and the II-section plate body are one-piece structure, and the I-section plate body and the II-section plate body are in one piece. There is a "T"-shaped structure between them, one side of the I-section plate body is provided with a convex block, and one end of the I-section plate body is provided with a missing part, and one side of the convex block is connected with the III-section plate body, And the raised block is a rectangular structure, the surface of the third section plate body is provided with a fourth pressure hole at one side of the surface away from the raised block, and the first section plate body and the second section plate body are detachable. The upper and lower ends of the I-section plate body and the II-section plate body are processed with clamps.

As a further solution of the present invention, a first pressure hole is opened on the surface of the I-section plate body, and a second pressure hole is opened on the side of the surface of the I-section plate body close to the first pressure hole, A third pressure hole is opened on one side of the surface of the first-stage plate body close to the second pressure hole, and the shape of the second pressure hole is a rectangular structure.

As a further solution of the present invention, a first fixing hole is opened on the surface of the second section plate body, and a second fixing hole is opened on the side of the surface of the second section plate body close to the first fixing hole.

As a further solution of the present invention: the connecting assembly includes a limit groove, a threaded column, an end cap and a screw hole, a threaded column is arranged inside the limit groove, and one end of the threaded column is fixedly connected with a The rear side of the threaded post is provided with a screw hole, the surface of the threaded post is provided with an external thread, the interior of the screw hole is provided with an internal thread, and the screw hole and the threaded post are fixedly connected by threads. The length, width and height of the bit groove are all greater than the length, width and height of the raised block.

As a further solution of the present invention, a threaded through hole is formed on the surface of the raised block, and the diameter of the threaded through hole is the same as the diameter of the screw hole.

As a further solution of the present invention: the metal bone plate body is a component made of TC20 material, the inner surface roughness of the metal bone plate body is 1.6 microns, and the outer surface roughness of the metal bone plate body is 0.8 microns.

As a further solution of the present invention, the clamp is a shape memory alloy material.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model can make the metal bone plate body and the bone more stably installed by setting the clamp, which increases the stability of the metal bone plate body during use, and has a good fixing effect;

2. It is provided with connecting components, raised blocks and threaded through holes, which can connect the metal bone plate body and the III-section plate body as a whole, increase the length of the metal bone plate body, and facilitate the use of the metal bone plate body;

3. The metal bone plate has a high degree of fit between the body and the bone, strong corrosion resistance, mechanical properties and biocompatibility, and has a simple structure, which has huge market potential and brings good news to the majority of patients.

Description of drawings

1 is a schematic structural diagram of an anatomical metal bone plate that can realize bone plate and bone fit;

Fig. 2 is the structural enlargement schematic diagram of A part among Fig. 1;

FIG. 3 is a schematic structural diagram of a connecting component in an anatomical metal bone plate that can realize the adhesion of the bone plate to the bone.

In the figure: 1. Metal bone plate body; 2. Section I plate body; 3. Section II plate body; 4. First fixing hole; 5. Second fixing hole; 6. Missing part; 7. Clamp; 8 9, the second pressure hole; 10, the third pressure hole; 11, the III-section plate body; 12, the fourth pressure hole; 13, the connecting assembly; 132, threaded column; 133, end cap; 134, screw hole; 14, raised block; 15, threaded through hole.

Detailed ways

Please refer to FIGS. 1 to 3. In the embodiment of the present invention, an anatomical metal bone plate that can realize the bonding of the bone plate and the bone includes a metal bone plate body 1, a plate body 2 of segment I, a plate body of segment II 3, Section III plate body 11 is connected to assembly 13. The metal bone plate body 1 includes a section I plate body 2 and a section II plate body 3. One end of the section I plate body 2 is installed with a section II plate body 3 in the horizontal direction, and the section I plate body 2 It has a one-piece structure with the plate body 3 of the second section, and a "T"-shaped structure is formed between the plate body 2 of the first section and the plate body 3 of the second section. One end of the plate body 2 is provided with a missing part 6, a first pressure hole 8 is opened on the surface of the I-section plate body 2, and a first pressure hole 8 is opened on the side of the surface of the I-section plate body 2 close to the first pressure hole 8. Two pressure holes 9, a third pressure hole 10 is opened on one side of the surface of the I-section plate body 2 close to the second pressure hole 9, the shape of the second pressure hole 9 is a rectangular structure, and the II-section plate body The surface of 3 is provided with a first fixing hole 4, and a second fixing hole 5 is opened on the surface of the surface of the second section plate body 3 close to the first fixing hole 4, and one side of the raised block 14 is connected with the third section plate. body 11, and the protruding block 14 is a rectangular structure, a fourth pressure hole 12 is provided on the surface of the III-section plate body 11 away from the protruding block 14, and the metal bone plate body 1 is made of a TC20 material The inner surface roughness of the metal bone plate body 1 is 1.6 microns, and the outer surface roughness of the metal bone plate body 1 is 0.8 microns, which can increase the degree of fit between the metal bone plate body 1 and the bone, and is convenient for the patient's bone Resume the treatment process.

The I-section plate body 2 and the II-section plate body 3 are detachable structures, and the upper and lower ends of the I-section plate body 2 and the II-section plate body 3 are processed with clamps 7, and the clamps 7 are a shape memory alloy. The material of the component increases the stability of the metal bone plate body 1 during use, and has a good fixing effect.

The connection assembly 13 includes a limiting groove 131, a threaded post 132, an end cap 133 and a screw hole 134. A threaded post 132 is arranged inside the limiting groove 131, and one end of the threaded post 132 is fixedly connected with an end cap 133, and the threaded post is The rear side of the 132 is provided with a screw hole 134, the surface of the threaded post 132 is provided with an external thread, the interior of the screw hole 134 is provided with an internal thread, and the screw hole 134 and the threaded post 132 are fixedly connected by threads, and the length of the limiting groove 131 is limited. , width and height are greater than the length, width and height of the raised block 14, the surface of the raised block 14 is provided with a threaded through hole 15, and the diameter of the threaded through hole 15 is the same as the diameter of the screw hole 134. When the body 11 is connected to the metal bone plate body 1, the threaded column 132 is loosened through the end cap 133, the raised block 14 is inserted into the limiting groove 131, and then the threaded column 132 is tightened through the end cap 133. The threaded post 132 penetrates through the threaded through hole 15 and is fixedly connected with the screw hole 134 to realize the fixed connection between the plate body 11 of the III section and the metal bone plate body 1 .

The working principle of the present invention is as follows: first, when the metal bone plate body 1 needs to be used, since the shape memory alloy is the material with the best shape memory performance among the current shape memory materials, the metal bone plate body 1 can be connected to the metal bone plate body 1 by the use of the clamp 7 It is more stable to be installed with human bones, which increases the stability of the metal bone plate body 1 during use, and has a good fixing effect. In addition, due to the TC20 material used by the metal bone plate body 1, it can increase the metal bone plate body 1 and the patient. The degree of fit, corrosion resistance, mechanical properties and biocompatibility of the bones are strong, thus ensuring good surgical results and bringing good news to the majority of patients. When the plate body 1 is spliced and fixed, the threaded post 132 is loosened through the end cap 133, then the protruding block 14 is inserted into the limiting groove 131, and then the threaded post 132 is tightened through the end cap 133. At this time, the threaded post 132 is fixedly connected to the screw hole 134 through the threaded through hole 15 to realize the fixed connection of the III-section plate 11 and the metal bone plate body 1, increase the length of the metal bone plate body 1, and facilitate the use of the metal bone plate body 1.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and should be covered within the protection scope of the present utility model.

Claims (7)

1. An anatomical metal bone plate that can realize the bonding of a bone plate to a bone, comprising a metal bone plate body (1), a segment I plate body (2), a segment II plate body (3), and a segment III plate body (11) ) and a connecting assembly (13), characterized in that the metal bone plate body (1) comprises a segment I plate body (2) and a segment II plate body (3), and one end of the segment I plate body (2) is horizontal The second section plate body (3) is installed in the direction, and the first section plate body (2) and the second section plate body (3) are integral structure, and the first section plate body (2) and the second section plate body (3) are between It has a "T"-shaped structure, one side of the I-section plate body (2) is provided with a convex block (14), and one end of the I-section plate body (2) is provided with a missing part (6). One side of the block (14) is connected with a III-section plate body (11), and the raised block (14) is a rectangular structure, and the surface of the III-section plate body (11) is away from one side of the raised block (14). A fourth pressurizing hole (12) is provided at the side position, the I-section plate body (2) and the II-section plate body (3) are detachable structures, and the I-section plate body (2) and the II-section plate body (3) are detachable structures. Both upper and lower ends of (3) are machined with clamps (7). 2 . The anatomical metal bone plate according to claim 1 , characterized in that a first pressure hole (8) is provided on the surface of the plate body (2) of the first segment. ), and a second pressure hole (9) is opened on the side of the surface of the I-section plate body (2) close to the first pressure hole (8), and the surface of the I-section plate body (2) is close to the first pressure hole (8). A third pressure hole (10) is opened at one side of the two pressure holes (9), and the shape of the second pressure hole (9) is a rectangular structure. The anatomical metal bone plate according to claim 1, characterized in that, the surface of the plate body (3) of the second section is provided with a first fixing hole (4) , and a second fixing hole (5) is opened at one side of the surface of the second section plate body (3) close to the first fixing hole (4). The anatomical metal bone plate according to claim 1, characterized in that, the connecting component (13) comprises a limiting groove (131), a threaded column (132) ), an end cap (133) and a screw hole (134), a threaded post (132) is arranged inside the limiting groove (131), and one end of the threaded post (132) is fixedly connected with an end cap (133) , and the rear side of the threaded post (132) is provided with a screw hole (134), the surface of the screw post (132) is provided with an external thread, the interior of the screw hole (134) is provided with an internal thread, and the screw hole ( 134) is fixedly connected with the threaded post (132) by means of threads, and the length, width and height of the limiting groove (131) are all greater than those of the protruding block (14). 5 . The anatomical metal bone plate according to claim 4 , wherein the surface of the raised block ( 14 ) is provided with a threaded through hole ( 15 ), so that the The diameter of the threaded through hole (15) is the same as the diameter of the screw hole (134). 6. The anatomical metal bone plate capable of realizing the bonding of the bone plate and the bone according to claim 1, wherein the metal bone plate body (1) is a component made of a TC20 material, and the metal The inner surface roughness of the bone plate body (1) is 1.6 microns, and the outer surface roughness of the metal bone plate body (1) is 0.8 microns. 7 . The anatomical metal bone plate according to claim 1 , wherein the clamp ( 7 ) is a shape memory alloy material. 8 .

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