CN215228874U - Anterior spinal titanium mesh fixing nail plate device - Google Patents

Abstract

The utility model discloses a way titanium net staple board device before backbone, it includes: the titanium mesh fusion cage is provided with a bone grafting bin and a first screw hole, and the first screw hole is positioned on the outer peripheral surface of the titanium mesh fusion cage; a spinal plate provided with a first connection hole and a second connection hole; the locking screw plug is provided with a second screw hole; one end of the fixing screw is provided with a first external thread part matched with the second screw hole, the other end of the fixing screw is provided with a second external thread part matched with the first screw hole, the fixing screw is provided with a limiting part positioned between the first external thread part and the second external thread part, the first external thread part can penetrate through the first connecting hole to be connected with the locking plug screw, and the limiting part can be abutted against the spinal plate; and the spinal screw can pass through the second connecting hole to be connected with the vertebral body. The utility model discloses can make set screw respectively with titanium net fuse ware, backbone board rigid to prevent that the relative spinal board of titanium net fuse ware from taking place relative position, avoid the problem that postoperative titanium net fuse ware takes place to sink, shift.

Description

Anterior spinal titanium mesh fixing nail plate device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to anterior spinal titanium mesh staple board device.

Background

When treating diseases related to spine explosive fracture, spine tumor, spine infection and the like, the three problems of focus removal, bone grafting fusion and spine stabilization are mainly required to be solved. Therefore, when treating such patients, the anterior approach of the titanium mesh bone grafting fixation operation is often considered. The anterior surgery is selected, focus clearing and anterior decompression can be conveniently carried out, the internal space of the titanium net is large, bone grafting is convenient, and centrum fusion of a patient is promoted, and the titanium net has a strong supporting effect and can enable the patient to obtain instant spinal support stability after the surgery until the injured vertebra of the patient is fused.

With the continuous development of medical technology level, the progress of surgical treatment technology and the development of related medical concepts, the clinical application of a titanium mesh fusion cage for bone grafting fusion treatment of spinal burst fracture, spinal tumor, spinal infection and other related diseases becomes a normal state. The traditional titanium mesh fusion cage product is generally in a hollow cylindrical shape or a hollow elliptic cylindrical shape, broken bones are filled in an internal through hole of the titanium mesh fusion cage in the process of clinical operation, and then the broken bones are implanted into the injured vertebra position of a patient to complete bone grafting and promote the fusion between the vertebral bodies of the postoperative patient.

When the existing titanium mesh fusion cage product is used clinically, a plurality of postoperative complications are caused by poor fixation, and the defects comprise the following steps: firstly, the titanium mesh sinks after operation, resulting in the loss of the height of the vertebral body of a patient; second, post-operative migration of the titanium mesh resulted in fusion failure. The occurrence of the complications brings great hidden troubles to the postoperative recovery and the life quality of patients, and also seriously hinders the clinical popularization and application of the titanium mesh fusion device product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a way titanium net staple board device before backbone to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

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

the utility model provides a way titanium net staple board device before backbone, it includes:

the titanium mesh fusion cage is provided with a bone grafting bin and a first screw hole, and the first screw hole is positioned on the outer peripheral surface of the titanium mesh fusion cage;

a spinal plate provided with a first connection hole and a second connection hole;

the locking screw plug is provided with a second screw hole;

one end of the fixing screw is provided with a first external thread part matched with the second screw hole, the other end of the fixing screw is provided with a second external thread part matched with the first screw hole, the fixing screw is provided with a limiting part, the limiting part is positioned between the first external thread part and the second external thread part, the first external thread part can penetrate through the first connecting hole to be connected with the locking plug screw, and the limiting part can be abutted against the spinal plate;

and the spinal screw can pass through the second connecting hole to be connected with a vertebral body.

The utility model discloses following beneficial effect has at least: the titanium mesh fusion cage is provided with a bone grafting bin and a first screw hole, the first screw hole is formed in the outer peripheral surface of the titanium mesh fusion cage, and broken bones are filled in the bone grafting bin, so that a bone grafting fusion operation is facilitated; and, set up set screw, spinal column board, locking plug screw and spinal column screw, set screw passes through the second external screw thread portion and is connected with the second screw of titanium net fusion ware, make set screw and titanium net fusion ware fixed mutually, and pass the first connecting hole of spinal column board through first external screw thread portion and be connected with the second screw of locking plug screw, and set screw's spacing portion and spinal column board looks butt, locking plug screw and spinal column board looks butt, make set screw and spinal column board fixed motionless in order to prevent that set screw from taking place the displacement relative to spinal column board, thereby prevent that titanium net fusion ware from taking place to remove relative to spinal column board, can effectively avoid postoperative titanium net fusion ware to take place the problem of sinking, the bone grafting that can be better the promotion operation fuses, accelerate patient's postoperative healing to resume. And then the spinal screw is used for penetrating through the second connecting hole of the spinal plate to be connected with the vertebral body, so that the spinal plate is fixed on the outer edge of the vertebral body, and the titanium mesh fusion cage is stably fixed on the vertebral body.

As a further improvement of the above technical solution, the first screw holes are uniformly provided in plurality along the outer circumferential surface of the titanium mesh fusion cage. The outer peripheral surface of the titanium mesh fusion device is uniformly provided with a plurality of first screw holes, and when the fixing screws are connected with the titanium mesh fusion device, the angle of the titanium mesh fusion device does not need to be adjusted too much, so that the first screw holes correspond to the fixing screws, and the difficulty of connecting the fixing screws with the titanium mesh fusion device is reduced.

As a further improvement of the above technical solution, the first connection hole is a kidney-shaped hole. First connecting hole sets up to waist type hole, conveniently adjusts the hookup location of set screw and spine board to make the spine board can carry out the stable connection with the centrum after being connected with set screw, reduce the degree of difficulty that the spine board is connected with set screw and centrum respectively.

As a further improvement of the above technical solution, the limiting part is cylindrical, the fixing screw is provided with a first guide part, the first guide part is located between the limiting part and the first external thread part, and the first guide part is connected with the limiting part; the spine plate is provided with a first groove matched with the first guide part, and the first groove is communicated with the first connecting hole.

Spacing portion sets to cylindric, and the smooth no edges and corners in surface prevents that it from causing the staff injured in the installation. And, set screw sets up the first guide part that is located between spacing portion and the first external screw thread portion, the spinal column board is equipped with the communicating first recess with first connecting hole, pass the first connecting hole of spinal column board and with the in-process of locking plug screw fastening at set screw, correspond through first guide part and insert first recess and laminate mutually with the wall of first recess, can increase the area of contact between set screw and the spinal column board, thereby strengthen the friction between set screw and the spinal column board, strengthen the steadiness between set screw and the spinal column board, and then avoid the relative spinal column board of titanium net fusion ware to take place the displacement.

As a further improvement of the above technical solution, the first external thread portion is provided with a first inner corner hole, and an axial direction of the first inner corner hole coincides with an axial direction of the fixing screw. First interior angle hole is established at first external screw thread portion, makes things convenient for staff's use tools to screw set screw into the first screw of titanium net fusion ware, reduces set screw's the installation degree of difficulty.

As a further improvement of the above technical solution, the locking plug screw is provided with a second guide portion; the spine plate is provided with a second groove matched with the second guide part, and the second groove is communicated with the first connecting hole.

The locking plug screw sets up the second guide part, and the spinal column board sets up and the communicating second recess in first connecting hole, and at the in-process that locking plug screw and set screw are connected, insert the second recess through the second guide part and laminate mutually with the wall of second recess, can increase the area of contact between locking plug screw and the spinal column board to the frictional action between reinforcing locking plug screw and the spinal column board strengthens the connection steadiness between locking plug screw and the spinal column board, and then avoids the relative spinal column board of titanium mesh fusion ware to take place the displacement.

As a further improvement of the above technical solution, the spine plate is provided with a third connecting hole, the third connecting hole is a kidney-shaped hole, and the first connecting hole is located between the second connecting hole and the third connecting hole; the spine screw can pass through the third connecting hole to be connected with a vertebral body.

The spine plate is provided with a third connecting hole which is a waist-shaped hole, and when the spine screw passes through the third connecting hole to be connected with the vertebral body, the height position of the spine screw relative to the spine plate can be adjusted, so that the spine plate can be stably connected with the vertebral body. And the first connecting hole is positioned between the second connecting hole and the third connecting hole, and the spinal screws respectively penetrate through the first connecting hole and the third connecting hole to be connected with the vertebral body, so that the upper end and the lower end of the spinal plate are stably connected with the vertebral body, and the titanium mesh fusion cage is prevented from moving relative to the vertebral body.

As a further improvement of the technical scheme, the spine screw is provided with main body threads, one end of the spine screw is provided with a cutting edge, the other end of the spine screw is provided with a second inner angle hole, and the axial direction of the second inner angle hole is consistent with the axial direction of the spine screw. The backbone screw sets up the main part screw, and the other end of backbone screw sets up the interior angle hole of second, and staff uses the instrument to insert the interior angle hole of second, screws into the centrum with the backbone screw to, the one end of backbone screw sets up the blade, makes the backbone screw can be easier, laborsaving screw in centrum, reduces the degree of difficulty that backbone screw and centrum are connected.

As a further improvement of the above technical solution, a third guide portion is provided at the other end of the spinal screw, and a third groove adapted to the third guide portion is provided on the spinal plate, and the third groove communicates with the second connection hole.

The other end of the spinal screw is provided with a third guide part, the spinal plate is provided with a third groove communicated with the second connecting hole, the spinal screw passes through the second connecting hole and is connected with the vertebral body, the third guide part is inserted into the third groove and is attached to the wall surface of the third groove, the contact area between the spinal screw and the spinal plate can be increased, the friction force between the spinal screw and the spinal plate is increased, the connection stability between the spinal screw and the spinal plate is enhanced, and the titanium mesh fusion device is prevented from shifting.

As a further improvement of the above technical solution, the spine plate is provided with a fourth groove adapted to the third guide portion, and the fourth groove is communicated with the third connecting hole.

The spine plate is provided with a fourth groove communicated with the third connecting hole, and in the process that the spine screw passes through the third connecting hole to be connected with the vertebral body, the third guide part is inserted into the fourth groove and is attached to the wall surface of the fourth groove, so that the contact area between the spine screw and the spine plate can be increased, the connectivity between the spine screw and the spine plate is enhanced, and the titanium mesh fusion cage is prevented from deviating.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic structural view of an embodiment of the anterior spinal titanium mesh fixation nail plate device provided by the present invention;

fig. 2 is a schematic structural view of an embodiment of the anterior spinal titanium mesh fixation nail plate device provided by the present invention at another viewing angle;

FIG. 3 is a perspective view of the titanium mesh fusion cage in the anterior spinal titanium mesh fixation nail plate device provided by the present invention;

fig. 4 is a structural perspective view of a spinal screw in the anterior titanium mesh fixation nail plate device provided by the utility model;

fig. 5 is a schematic structural view and a sectional view of a fixing screw in the anterior spinal titanium mesh fixing nail plate device provided by the present invention;

fig. 6 is a schematic structural view of a locking screw plug in the anterior spinal titanium mesh fixation nail plate device provided by the utility model;

fig. 7 is a schematic structural view of a spinal plate in the anterior spinal titanium mesh fixation nail plate device provided by the present invention;

FIG. 8 is a cross-sectional view of section B-B of FIG. 7;

FIG. 9 is a cross-sectional view of section C-C of FIG. 7;

FIG. 10 is a cross-sectional view taken along section D-D of FIG. 7;

fig. 11 is a schematic structural view of the anterior spinal titanium mesh fixation nail plate device provided by the present invention in application.

The drawings are numbered as follows: 100. a spinal screw; 110. cutting edges; 120. a body thread; 130. a third guide portion; 140. a second inner corner hole;

200. a set screw; 210. a first external threaded portion; 220. a second external thread portion; 230. a limiting part; 240. a first inner corner hole; 250. a first guide portion;

300. a titanium mesh fusion device; 310. a bone grafting bin; 320. a first screw hole; 330. a through hole;

400. locking a screw plug; 410. a second screw hole; 420. a second guide portion; 430. an outer hex portion;

500. a spinal plate; 510. a first connection hole; 511. a first groove; 512. a second groove; 520. a second connection hole; 521. a third groove; 530. a third connection hole; 531. a fourth groove; 600. a vertebral body; 700. damaging the spine.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

It should be noted that the X direction in the attached drawings is from the back side of the spinal anterior titanium mesh fixing nail plate device to the front side; the Y direction is from the left side to the right side of the spinal anterior titanium mesh fixing nail plate device; the Z direction is from the lower side to the upper side of the spinal anterior titanium mesh fixing nail plate device.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 11, several embodiments of the anterior spinal titanium mesh staple board device of the present invention will be described.

At present, the titanium mesh fusion cage and a nail plate system product in the front of the spine are separated, after an operation is completed, an implanted nail plate system is fixed relative to the spine of a human body and cannot move, however, the implanted titanium mesh fusion cage can possibly generate the phenomenon that the titanium mesh sinks or the titanium mesh moves due to the action of external force, so that the fusion is slow or even fails, and the spine fusion fails to cause the fatigue failure of the product due to long-time stress, so that other related complications are caused, and the life of a patient is even threatened. Therefore, the utility model provides a way titanium net staple board device before backbone.

As shown in fig. 1 to 11, an embodiment of the present invention provides a spine anterior titanium mesh fixation nail plate device, which includes: a titanium mesh cage 300, a spinal plate 500, a locking plug screw 400, a set screw 200, and a spinal screw 100.

As shown in fig. 1 to 3, the titanium mesh fusion device 300 is provided with a bone grafting bin 310 and a first screw hole 320, and the first screw hole 320 is located on the outer circumferential surface of the titanium mesh fusion device 300. In the operation, the bone graft bin 310 of the titanium mesh fusion cage 300 is filled with broken bones, and the titanium mesh fusion cage 300 is placed in the injured vertebra 700 to complete the bone graft fusion, and the titanium mesh fusion cage 300 can play a certain role of supporting the vertebral body 600 after the operation. In addition, the peripheral surface of the titanium mesh fusion cage 300 is also provided with a plurality of through holes 330, the through holes 330 are communicated with the bone grafting bin 310, the titanium mesh fusion cage 300 is in a porous structure, so that the bone tissue is promoted to grow in the porous structure, and the effective integration of the bone tissue and the titanium mesh fusion cage 300 is realized. In this embodiment, the titanium mesh cage 300 is a cylinder.

Further, a plurality of first screw holes 320 are uniformly provided along the outer circumferential surface of the titanium mesh fusion device 300. The first screw hole 320 may or may not be in communication with the bone grafting bin 310. Of course, one first screw hole 320 may be provided.

As shown in fig. 1, 2, and 7 to 10, the spinal plate 500 has an inner curved surface to be fitted to the physiological curvature of the outer edge of the human spinal column, and the spinal plate 500 has a first connection hole 510 and a second connection hole 520. Specifically, the first connection hole 510 is a kidney-shaped hole. Of course, it is not excluded that the first connection hole 510 is a circular hole. The second connection holes 520 are circular holes, and one, two or more second connection holes 520 may be provided.

As shown in fig. 1, 2 and 6, the locking plug screw 400 is provided with a second screw hole 410 and an outer hexagonal portion 430, so that the locking operation of the locking plug screw 400 can be conveniently performed using a hexagonal wrench. In addition to the external hexagonal portion 430, an external quadrangular portion or a quincunx connecting portion may be used. In this embodiment, the second screw holes 410 penetrate both end surfaces of the lock plug 400.

As shown in fig. 1, 2 and 5, one end of the fixing screw 200 is provided with a first external thread portion 210 adapted to the second screw hole 410, and the fixing screw 200 is connected to the locking plug 400 by screwing the first external thread portion 210 into the second screw hole 410. The other end of the fixing screw 200 is provided with a second external thread part 220 matched with the first screw hole 320, and the fixing screw 200 is connected with the titanium mesh fusion device 300 by screwing the second external thread part 220 into the first screw hole 320.

The first external thread portion 210 is provided with a first inner corner hole 240, an axial direction of the first inner corner hole 240 coincides with an axial direction of the fixing screw 200, and the first inner corner hole 240 may be a quadrangular inner corner hole, a hexagonal inner corner hole, a quincunx inner corner hole, or others. In this embodiment, the first inner corner hole 240 is a hexagon socket, and an inner hexagon wrench is inserted into the first inner corner hole 240 to rotate the fixing screw 200, so as to drive the second external thread portion 220 of the fixing screw 200 to screw into the first screw hole 320, thereby completing the connection between the fixing screw 200 and the titanium mesh fusion cage 300.

The fixing screw 200 is provided with a stopper 230, the stopper 230 is integrally formed with the fixing screw 200, and the stopper 230 is located between the first male screw portion 210 and the second male screw portion 220. The stopper 230 may have a square block shape or a cylindrical shape.

After the fixing screw 200 is connected to the titanium mesh fusion device 300, the first external thread portion 210 is connected to the second screw hole 410 of the locking plug screw 400 after passing through the first connection hole 510 of the spinal plate 500, so that the fixing screw 200 is fixed to the spinal plate 500, at this time, the stopper portion 230 abuts against the inner side surface of the spinal plate 500, and the locking plug screw 400 abuts against the outer side surface of the spinal plate 500.

The spinal plate 500 is tightly clamped by the stopper 230 and the locking plug 400, so that the set screw 200 is securely coupled to the spinal plate 500 to prevent displacement therebetween. In addition, the fixing screw 200 is fixed with the titanium mesh fusion cage 300 through the second external thread part 220, so that the titanium mesh fusion cage 300 and the spinal plate 500 are combined together, the relative displacement of the titanium mesh fusion cage 300 relative to the spinal plate 500 is prevented, and the problem that the post-operation titanium mesh fusion cage 300 sinks and displaces can be avoided.

As shown in fig. 1, 2 and 4, the spine screw 100 is provided with a body thread 120, one end of the spine screw 100 is provided with a cutting edge 110, the other end of the spine screw 100 is provided with a second inner corner hole 140, the axial direction of the second inner corner hole 140 is consistent with the axial direction of the spine screw 100, and the second inner corner hole 140 may be a quadrangular inner hole, a hexagonal inner hole or a quincunx inner hole.

The spinal screw 100 is connected with the vertebral body 600 through the second connecting hole 520 of the spinal plate 500, so that the spinal plate 500 is fixed with the vertebral body 600, and the whole spinal anterior titanium mesh fixation nail plate device is stably connected with the vertebral body 600.

In some embodiments, as shown in fig. 5, 7 and 9, the position-limiting portion 230 is cylindrical, the fixing screw 200 is provided with a first guiding portion 250, the first guiding portion 250 is in a circular truncated cone shape, a side of the first guiding portion 250 may be a straight line or an arc line when viewed in an axial cross section, the first guiding portion 250 is located between the position-limiting portion 230 and the first external thread portion 210, the first guiding portion 250 is connected to the position-limiting portion 230, and specifically, the first guiding portion 250 is integrally formed with the position-limiting portion 230.

The spinal plate 500 is provided with a first groove 511 adapted to the first guide part 250, a circumferential wall surface of the first groove 511 can be fitted to an outer circumferential surface of the first guide part 250, an inner bottom surface of the first groove 511 is communicated with the first connection hole 510, so that the first male screw portion 210 of the set screw 200 is screwed with the locking plug 400 after passing through the first groove 511 and the first connection hole 510.

In some embodiments, as shown in fig. 6, 7 and 9, the locking plug screw 400 is provided with a second guide portion 420, the second guide portion 420 has a circular truncated cone shape, and a side of the second guide portion 420 may be a straight line or an arc line when viewed in an axial section.

The spinal plate 500 is provided with a second groove 512 adapted to the second guide portion 420, a circumferential wall surface of the second groove 512 can be attached to an outer circumferential surface of the second guide portion 420, the second groove 512 is communicated with the first connection hole 510, and the first male screw portion 210 of the fixing screw 200 is caused to pass through the first groove 511, the first connection hole 510 and the second groove 512 and then is threadedly connected to the locking plug 400.

In some embodiments, as shown in fig. 7, the spinal plate 500 is provided with a third connecting hole 530, the third connecting hole 530 is a kidney-shaped hole, the first connecting hole 510 is located between the second connecting hole 520 and the third connecting hole 530, and one, two or more than two third connecting holes 530 may be provided. Also, the spinal screw 100 can be coupled to the vertebral body 600 through the third coupling hole 530. The third connecting holes 530 are formed to adjust the vertical position of the spinal screw 100 relative to the spinal plate 500, thereby ensuring that the spinal screw 100 can be well connected to the vertebral body 600, and preventing the titanium mesh fusion cage 300 from moving relative to the vertebral body 600.

In some embodiments, as shown in fig. 4, 7 and 8, the other end of the spinal screw 100 is provided with a third guiding portion 130, and the third guiding portion 130 is disposed opposite to the cutting edge 110 and is respectively disposed at both ends of the spinal screw 100. The third guide portion 130 is in the shape of a circular truncated cone.

And, the spinal plate 500 is provided with a third groove 521 adapted to the third guide part 130, a peripheral wall surface of the third groove 521 can be attached to an outer peripheral surface of the third guide part 130, the third groove 521 is communicated with the second connection hole 520, so that the spinal screw 100 can be connected to the vertebral body 600 through the second connection hole 520.

In some embodiments, the spinal plate 500 is provided with a fourth groove 531 corresponding to the third guide portion 130, a circumferential wall surface of the fourth groove 531 is capable of being fitted to an outer circumferential surface of the third guide portion 130 of the spinal screw 100, and the fourth groove 531 communicates with the third connection hole 530 to facilitate the spinal screw 100 to be connected to the vertebral body 600 through the second connection hole 520.

As shown in fig. 11, in clinical operation, an operation space is firstly opened from the anterior approach or the lateral anterior approach of the vertebral column, focus removal of the injured vertebra 700 is completed according to an operation mode, and then the anterior approach titanium mesh fixing nail plate device is implanted into the vertebral body.

Firstly, a titanium mesh fusion cage 300 with a proper specification is selected, then the titanium mesh fusion cage 300 is cut into a proper height and a proper angle, then a surgical instrument is used for implanting the crushed bone of the autologous bone or the crushed bone of the allogeneic bone into the bone grafting bin 310 of the titanium mesh fusion cage 300, and the bone grafting bin is compacted.

The titanium mesh stabilizer 300 is then loaded into the desired surgical insertion site using the associated surgical instruments.

Then, the set screw 200 is screwed into the first screw hole 320 of the titanium mesh cage 300 with a surgical tool.

Then, selecting a spine plate 500 with a proper specification, attaching the spine plate 500 to the front edge position of the vertebral body 600 of the patient, and adjusting the positions of the second connecting hole 520 and the third connecting hole 530 on the spine plate 500 to be at proper positions so as to facilitate the connection of the spinal screw 100 and the vertebral body 600; and the first externally threaded portion 210 of the set screw 200 is inserted through the first coupling hole 510 of the spinal plate 500 such that the first externally threaded portion 210 of the set screw 200 protrudes through the first coupling hole 510.

Next, the locking plug 400 is screwed into the first male screw portion 210 of the set screw 200 using a surgical tool, thereby tightly fixing the set screw 200 to the spinal plate 500.

Finally, the spinal screw 100 of the appropriate diameter and length is selected and the spinal screw 100 is screwed into the vertebral body 600 from the second and third connection holes 520 and 530 of the spinal plate 500 with a surgical tool to secure the spinal plate 500 to the vertebral body 600 of the patient. After the operation is finished, the wound can be cleaned and sutured, and the operation is finished.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims (10)

1. The utility model provides an anterior spinal titanium mesh fixation nail plate device which characterized in that includes:

the titanium mesh fusion cage (300) is provided with a bone grafting bin (310) and a first screw hole (320), and the first screw hole (320) is positioned on the outer peripheral surface of the titanium mesh fusion cage (300);

a spinal plate (500) provided with a first connection hole (510) and a second connection hole (520);

a locking screw plug (400) provided with a second screw hole (410);

a first external thread part (210) matched with the second screw hole (410) is arranged at one end of the fixing screw (200), a second external thread part (220) matched with the first screw hole (320) is arranged at the other end of the fixing screw (200), a limiting part (230) is arranged on the fixing screw (200), the limiting part (230) is positioned between the first external thread part (210) and the second external thread part (220), the first external thread part (210) can penetrate through the first connecting hole (510) to be connected with the locking screw plug (400), and the limiting part (230) can be abutted against the spinal plate (500);

a spinal screw (100) connectable to a vertebral body through the second connection aperture (520).

2. The anterior spinal titanium mesh fixation nail plate device according to claim 1, wherein the first screw holes (320) are uniformly arranged in plurality along the outer circumferential surface of the titanium mesh fusion device (300).

3. The anterior spinal titanium mesh fixation plate device as recited in claim 2, wherein the first connection hole (510) is a kidney-shaped hole.

4. The anterior spinal titanium mesh fixation screw plate device according to claim 3, wherein the position-limiting part (230) is cylindrical, the fixation screw (200) is provided with a first guide part (250), the first guide part (250) is located between the position-limiting part (230) and the first external thread part (210), and the first guide part (250) is connected with the position-limiting part (230); the spine plate (500) is provided with a first groove (511) matched with the first guide part (250), and the first groove (511) is communicated with the first connecting hole (510).

5. The titanium anterior spinal fixation screw plate device according to claim 4, wherein said first externally threaded portion (210) is provided with a first internally angled hole (240), the axial direction of said first internally angled hole (240) coinciding with the axial direction of said fixation screw (200).

6. The anterior spinal titanium mesh fixation screw plate device according to claim 4 or 5, wherein said locking screw plug (400) is provided with a second guide portion (420); the spine plate (500) is provided with a second groove (512) matched with the second guide part (420), and the second groove (512) is communicated with the first connecting hole (510).

7. The titanium mesh fixation nail plate device for the anterior spine according to claim 6, wherein the spinal plate (500) is provided with a third connection hole (530), the third connection hole (530) is a kidney-shaped hole, and the first connection hole (510) is located between the second connection hole (520) and the third connection hole (530); the spinal screw (100) is attachable to a vertebral body through the third attachment aperture (530).

8. The anterior spinal titanium mesh fixation screw plate device according to claim 7, wherein the spinal screw (100) is provided with a main body thread (120), one end of the spinal screw (100) is provided with a cutting edge (110), the other end of the spinal screw (100) is provided with a second inner corner hole (140), and the axial direction of the second inner corner hole (140) is consistent with the axial direction of the spinal screw (100).

9. The titanium mesh fixation plate device for the anterior spinal column according to claim 8, wherein a third guide part (130) is provided at the other end of the spinal screw (100), the spinal plate (500) is provided with a third groove (521) matched with the third guide part (130), and the third groove (521) is communicated with the second connecting hole (520).

10. The titanium mesh fixator plate device for anterior spinal column according to claim 9, wherein said spinal plate (500) is provided with a fourth groove (531) adapted to said third guide portion (130), said fourth groove (531) communicating with said third connecting hole (530).

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