CN210843392U - Vertebral plate fusion fixing device - Google Patents

Abstract

The utility model belongs to the technical field of medical instrument, concretely relates to fixing device is fused to vertebral plate, this vertebral plate fuses fixing device and includes: the bone grafting device comprises a vertebral plate connecting plate, an obliquely arranged bone grafting device and a lateral mass connecting plate; the inclined lower end of the vertebral plate connecting plate is provided with a first sliding chute; the inclined upper end of the side block connecting plate is provided with a second sliding chute; the upper part and the lower part of one end face of the bone grafting device are respectively fixed with the first sliding groove and the second sliding groove through corresponding fasteners. The utility model discloses a fixing device is fused to vertebral plate can realize the expansion in canalis spinalis space, and the device can freely height-adjusting to guarantee can be more firm fixed with human vertebral plate and curb plate.

Description

Vertebral plate fusion fixing device

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to vertebral plate fuses fixing device.

Background

The spinal canal expands decompression art, needs artifical expansion canalis spinalis, then needs fuse fixing device through the vertebral plate and realize the expansion of canalis spinalis. During the operation, the osteotome cuts the one end of pathological change centrum, gets rid of partly bone, forms "crack", then polishes the other end of centrum with bone drill mill and forms "door-hinge", then lifts the centrum along "door-hinge", forms one side and opens the door, fuses fixing device to the vertebral plate and puts into "crack" department after that, fixes fixed vertebral plate connecting plate and lateral mass connecting plate respectively on human vertebral plate and lateral mass through screwing up connecting screw to realize the expansion of canalis spinalis.

However, the height of the existing vertebral plate fusion fixing device cannot be freely adjusted, so that the fixing position of the existing vertebral plate fusion fixing device with the vertebral plate and the side plate is not firm, and the human body is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertebral plate fuses fixing device to solve the vertebral plate that can't freely adjust the height and lead to and fuse fixing device and human vertebral plate and the fixed not firm problem of lateral mass.

In order to solve the technical problem, the utility model provides a vertebral plate fuses fixing device, include:

the bone grafting device comprises a vertebral plate connecting plate, an obliquely arranged bone grafting device and a lateral mass connecting plate;

the inclined lower end of the vertebral plate connecting plate is provided with a first sliding chute;

the inclined upper end of the side block connecting plate is provided with a second sliding chute;

the upper part and the lower part of one end face of the bone grafting device are respectively fixed with the first sliding groove and the second sliding groove through corresponding fasteners.

Furthermore, two upper assembling holes are arranged at the horizontal upper end of the vertebral plate connecting plate.

Further, the two upper assembling holes are arranged transversely or longitudinally.

Furthermore, the horizontal lower end of the side block connecting plate is provided with two lower assembling holes.

Further, the two lower assembling holes are arranged transversely or longitudinally.

Furthermore, the inclined upper end extends downwards and protrudes downwards after passing through the horizontal lower end to form a retaining shoulder.

Further, a bracket extends from the back of the inclined lower end.

Further, the bone grafting device is provided with a cavity for placing bones.

Further, the fastener is a connecting screw;

the head of the connecting screw is provided with a hexagonal groove, a cross groove, a straight groove or a plum blossom groove.

The beneficial effects of the utility model are that, the utility model discloses a fixing device is fused to vertebral plate fixes on human vertebral plate through the vertebral plate connecting plate, and the lateral mass connecting plate is fixed on the lateral mass, and the bone grafting ware is used for connecting vertebral plate connecting plate and lateral mass connecting plate to realize the expansion of canalis spinalis, the bone grafting ware can carry out altitude mixture control through first spout, second spout, can be more firm fixed with human vertebral plate and curb plate in order to guarantee.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the lamina fusion fixation device of the present invention;

FIG. 2 is a schematic view of a vertebral body for installation of the laminoplasty fixation device of the present invention;

FIG. 3 is a top view of the lamina connector plate of the lamina fusion fixation device of the present invention;

FIG. 4 is a top view of another embodiment of a lamina connector plate of the lamina fusion fixation device of the present invention;

FIG. 5 is a top view of the lateral mass attachment plate of the laminoplasty fixation device of the present invention;

FIG. 6 is a top view of another embodiment of a lateral mass attachment plate of the lamina fusion fixation device of the present invention;

FIG. 7 is a schematic view of a second embodiment of the lamina fusion fixation device of the present invention;

FIG. 8 is a schematic view of a third embodiment of the lamina fusion fixation device of the present invention;

FIG. 9 is a schematic view of a fourth embodiment of the lamina fusion fixation device of the present invention.

In the figure:

the vertebral plate connecting plate comprises a vertebral plate connecting plate 1, a first sliding chute 101, an upper assembling hole 102, a bracket 103, a bone grafting device 2, a lateral mass connecting plate 3, a lower assembling hole 302, a second sliding chute 301, a retaining shoulder 303, a fastening piece 4, a vertebral plate 5 and a lateral mass 6.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

FIG. 1 is a schematic view of the lamina fusion fixation device of the present invention;

FIG. 2 is a schematic view of a vertebral body for installation of the laminoplasty fixation device of the present invention;

as shown in fig. 1 and 2, the present embodiment provides a lamina fusion fixation device comprising: the bone grafting device comprises a vertebral plate connecting plate 1, an obliquely arranged bone grafting device 2 and a lateral mass connecting plate 3; the inclined lower end of the vertebral plate connecting plate 1 is provided with a first sliding chute 101; the inclined upper end of the side block connecting plate 3 is provided with a second sliding chute 301; the upper and lower parts of one end surface of the bone grafting instrument 2 are respectively fixed with the first sliding chute 101 and the second sliding chute 301 through corresponding fasteners 4.

It is specific, during the operation put into "crack" department to the vertebral plate fusion fixing device, and vertebral plate connecting plate 1 fixes on vertebral plate 5 promptly, and lateral mass connecting plate 3 is fixed on lateral mass 6, and the bone grafting ware 2 card is in "crack" department, and the upper and lower part of a terminal surface of bone grafting ware 2 removes and adjusts suitable high after-fixing in first spout 101, second spout 301 through corresponding fastener 4 respectively to guarantee with human vertebral plate 5, the inseparable laminating of lateral mass 6, guarantee that fixed effect is better.

Wherein the fastener 4 is a connecting screw; the head of the connecting screw can be provided with a hexagonal groove, a cross groove, a straight groove or a plum blossom groove. The diameters of the heads of the connecting screws are respectively larger than the maximum diameters of the first sliding groove 101 and the second sliding groove 301, so that the connecting screws are prevented from being disengaged from the first sliding groove 101 and the second sliding groove 301, and the fixing purpose cannot be realized.

FIG. 3 is a top view of the lamina 5 spacer plate of the laminoplasty fixation device of the present invention;

FIG. 4 is a top view of another embodiment of a lamina 5 spacer plate of the lamina fusion fixation device of the present invention;

as shown in fig. 3 and 4, the horizontal upper end of the lamina adapter plate 1 is provided with two upper fitting holes 102, and the fixation of the lamina adapter plate 1 to the lamina 5 is accomplished by means of staples through the upper fitting holes 102.

The two upper assembling holes 102 may be arranged in the transverse direction or the longitudinal direction.

FIG. 5 is a top view of the lateral mass 6 attachment plate of the laminoplasty fixation device of the present invention;

FIG. 6 is a top view of another embodiment of a lateral mass 6 attachment plate of the laminoplasty fixation device of the present invention;

as shown in fig. 5 and 6, the horizontal lower end of the side block connecting plate 3 is provided with two lower assembling holes 302, and the fixing of the side block connecting plate 3 and the side block 6 is completed by fixing nails penetrating through the lower assembling holes 302.

The two lower assembling holes 302 may be arranged in a transverse direction or a longitudinal direction.

In this embodiment, the bone grafting instrument 2 is provided with a cavity 201 for placing bone. Big bone pieces and broken bones can be placed in the cavity 201, and the defect that only big bone pieces can be placed in the existing device is overcome. Through the bone of placing in the cavity 201 for the bone in the cavity 201 can fuse into an organic whole with vertebral plate 5 and lateral mass 6 in human recovered process, then need not rely on the fixed of external staple, just can realize self long-term fixed.

Example 2

FIG. 7 is a schematic view of a second embodiment of the lamina fusion fixation device of the present invention;

as shown in FIG. 7, this embodiment provides a laminar fusion fixation device, and differs from embodiment 1 in that a bracket 103 extends from the back of the inclined lower end.

Example 3

FIG. 8 is a schematic view of a third embodiment of the lamina fusion fixation device of the present invention;

as shown in fig. 8, this embodiment provides a laminar fusion spacer, and differs from embodiment 1 in that the inclined upper end extends downward and projects downward past the horizontal lower end to form a shoulder 303.

Example 4

FIG. 9 is a schematic view of a fourth embodiment of the lamina fusion fixation device of the present invention.

As shown in fig. 9, this embodiment provides a laminar fusion spacer, and differs from embodiment 2 in that the inclined upper end extends downward and projects downward past the horizontal lower end to form a shoulder 303.

To sum up, the vertebral plate fusion fixing device of the utility model has the advantages that the vertebral plate connecting plate 1 is fixed on the vertebral plate 5, the side block connecting plate 3 is fixed on the side block 6, the bone grafting device 2 is clamped at the door gap, the upper part and the lower part of one end surface of the bone grafting device 2 move in the first chute 101 and the second chute 301 respectively through the corresponding fasteners 4 and are fixed after the proper height is adjusted, so as to ensure that the vertebral plate 5 and the side block 6 of the human body are tightly attached, and the fixing effect is better; the utility model discloses a fixing device is fused to vertebral plate's bone grafting ware 2 is provided with the cavity 201 of placing the bone, both can place the big bone piece in this cavity 201, also can place garrulous bone, avoided only can place the drawback of big bone piece in the current device, and through the bone of placing in the cavity 201 for bone in the cavity 201 can be fused as an organic whole with vertebral plate 5 and side 6 in the human recovered process, then need not rely on external staple fixed, just can realize self long-term fixed.

The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. A laminar fusion fixation device, comprising:

the bone grafting device comprises a vertebral plate connecting plate, an obliquely arranged bone grafting device and a lateral mass connecting plate;

the inclined lower end of the vertebral plate connecting plate is provided with a first sliding chute;

the inclined upper end of the side block connecting plate is provided with a second sliding chute;

the upper part and the lower part of one end face of the bone grafting device are respectively fixed with the first sliding groove and the second sliding groove through corresponding fasteners.

2. The laminar fusion fixation device of claim 1,

the horizontal upper end of the vertebral plate connecting plate is provided with two upper assembling holes.

3. The laminar fusion fixation device of claim 2,

the two upper assembling holes are transversely arranged or longitudinally arranged.

4. The laminar fusion fixation device of claim 1,

and two lower assembling holes are formed in the horizontal lower end of the side block connecting plate.

5. The laminar fusion fixation device of claim 4,

the two lower assembling holes are transversely arranged or longitudinally arranged.

6. The laminar fusion fixation device of claim 4,

the inclined upper end extends downwards and protrudes downwards after passing through the horizontal lower end to form a retaining shoulder.

7. The laminar fusion fixation device of claim 1,

a bracket extends from the back of the inclined lower end.

8. The laminar fusion fixation device of claim 1,

the bone grafting device is provided with a cavity for placing bones.

9. The laminar fusion fixation device of claim 1,

the fastener is a connecting screw;

the head of the connecting screw is provided with a hexagonal groove, a cross groove, a straight groove or a plum blossom groove.

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