CN211213446U - Device for supporting, fixing and fusing vertebral plates - Google Patents
Device for supporting, fixing and fusing vertebral plates Download PDFInfo
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- CN211213446U CN211213446U CN201921351439.3U CN201921351439U CN211213446U CN 211213446 U CN211213446 U CN 211213446U CN 201921351439 U CN201921351439 U CN 201921351439U CN 211213446 U CN211213446 U CN 211213446U
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Abstract
The utility model relates to a medical apparatus, in particular to a vertebral plate supporting, fixing and fusing device for retaining cervical vertebra muscle and ligament complex minimally invasive double-door operation. The intervertebral plate supporting, fixing and fusing device comprises a main body supporting structure and an intervertebral plate; the main supporting structure is subjected to 3D printing of titanium metal, so that the strength is reliable; meanwhile, the shape can be designed manually, and better adaptability can be obtained; various holes used in combination with the screws and the titanium cables can be prefabricated, so that the fixing operation is convenient, and the stability is high; can realize minimally invasive operation on reconstruction operations of structures such as bones, ligaments and muscles, and retain normal forms and functions of important structures of organisms.
Description
Technical Field
The utility model relates to a medical apparatus, in particular to a vertebral plate supporting, fixing and fusing device for retaining cervical vertebra muscle and ligament complex minimally invasive double-door operation.
Background
The cervical posterior double-door vertebral canal expansion laminoplasty is clinically applied for decades as an important cervical vertebra operation, and has many problems to be improved while obtaining a reliable curative effect. After the laminectomy procedure is completed, a support is placed between the dissected laminae to maintain the "open door" condition. The traditional method is to use artificial bone or allogeneic bone as the support between the vertebral plates, and fix the bone with steel wires or suture. It has the following disadvantages:
1. the complex structure of muscle group and ligament is damaged, the reconstruction of the complex structure of bone, ligament and muscle cannot be realized, the wound is large, and cervical axial pain and stiffness are easily caused after the operation.
2. Artificial bones or allogeneic bones are mostly used as supporting fusion between vertebral plates, and the strength of the supporting fusion is limited, so that the supporting fusion is likely to break to cause supporting failure; the bone fusion rate is low, the adaptability is poor, and the fixing operation is difficult; allogeneic bone increases risk of infection and risk of disease transmission and is of limited origin; the structural strength is insufficient, the device cannot be competent for complicated surgical operations such as spinous process reconstruction and the like, and the minimally invasive operation cannot be realized.
Therefore, there is a need for an intervertebral plate supporting, fixing and fusing device with strong adaptability, simple operation and safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device for supporting, fixing and fusing between vertebral plates, wherein a main supporting structure adopts 3D printing of titanium metal, and the strength is reliable; meanwhile, the shape can be designed manually, and better adaptability can be obtained; various holes used in combination with the screws and the titanium cables can be prefabricated, so that the fixing operation is convenient, and the stability is high; can realize minimally invasive operation on reconstruction operations of structures such as bones, ligaments and muscles, and retain normal forms and functions of important structures of organisms.
The utility model discloses a technical scheme that technical problem solved took is:
the utility model provides a support between vertebral plate, fix, fuse device includes main part bearing structure, vertebral plate, wherein main part bearing structure includes upper end portion and lower tip, the upper end portion with tip integrated into one piece down, the vertebral plate specifically is two, two the stub of vertebral plate supports respectively and leans on the side of lower tip.
Further, the side surface of the lower end part is a curved surface.
Further, the upper end portion is large in size from top to bottom, the lower end portion is large in size from top to bottom, and the bottom surface of the upper end portion is the same size as the top surface of the lower end portion.
The top of the upper end part of the main body supporting structure is provided with a groove for accommodating the spinous process;
the upper end part of the main body supporting structure is prefabricated with two transverse holes which penetrate through the upper end part and are arranged in parallel up and down in the same vertical plane; the direction of the transverse hole is vertical to the vertical axis of the main body supporting structure, and the transverse hole is used for penetrating a titanium cable to be fixed with the spinous process and the vertebral plate.
Inclined holes are also prefabricated on the main body supporting structure and accommodate screws so as to be fixed with the vertebral plate through the screws.
The lower tip of main part bearing structure has prefabricated the hole, the hole runs through the lower tip, just the hole is two, two the hole is at same horizontal plane level parallel arrangement, the hole direction with the vertical axis of main part bearing structure is perpendicular, the hole is used for penetrating behind the titanium cable with two side vertebral plate pressurization fixed.
The lower end part of the main body supporting structure and the vertebral plate contact surface are provided with supporting plates, the supporting plates can be bent, the supporting plates are used for increasing the contact area of the vertebral plate and the main body supporting structure, and the angles between the supporting plates and the main body supporting structure can be adjusted.
Wherein, the preferable main part bearing structure adopts titanium metal 3D printing.
Preferably, the length of the support plate is one of 2mm, 4mm, 6mm and 8 mm.
Preferably, the aperture of the transverse hole and the aperture of the hole are 2-3 mm; the recess is provided with a plurality ofly, and is a plurality of the recess specification is different, different specification recess is preferred to be arranged with 2mm interval.
Preferably, the inclined hole is at an angle of 15 degrees, 30 degrees or 45 degrees to the horizontal.
Compared with the prior art, the utility model has the advantages that the main supporting structure adopts 3D printing of titanium metal, the strength is reliable, the elastic modulus is close to that of the autogenous bone, no deformation or fracture risk exists, and the main supporting structure can be stably fused with the autogenous bone; the shape can be designed manually, so that better adaptability is obtained, and the structure stability is facilitated; various holes used in combination with the screws and the titanium cables can be prefabricated, so that the fixing operation is convenient, and the stability is high; can realize minimally invasive operation on the reconstruction operations of structures such as bones, ligaments and muscles.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
1-upper end part, 2-groove, 3-transverse hole, 4-lower end part, 5-supporting plate, 6-oblique hole, 7-vertebral plate, 8-hole
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the supporting, fixing and fusing device for an intervertebral plate of the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
The device for supporting, fixing and fusing the vertebral plates comprises a main body supporting structure and the vertebral plates 7, wherein the main body supporting structure comprises an upper end portion 1 and a lower end portion 4, the upper end portion 1 and the lower end portion 4 are integrally formed, the vertebral plates 7 are specifically two, and the stumps of the vertebral plates 7 respectively abut against the side faces of the lower end portion 4.
Further, the side surface of the lower end part is a curved surface.
Further, the upper end portion 1 is large in size from top to bottom, the lower end portion 4 is large in size from top to bottom, and the bottom surface of the upper end portion 1 is the same size as the top surface of the lower end portion 4.
The top of the upper end part 1 of the main body supporting structure is provided with a groove 2 for accommodating the spinous process;
the upper end part 1 of the main body supporting structure is prefabricated with two transverse holes 3, the two transverse holes 3 penetrate through the upper end part 1, and the two transverse holes 3 are arranged in parallel up and down in the same vertical plane; the direction of the transverse hole 3 is vertical to the vertical axis of the main body supporting structure, and the transverse hole 3 is used for penetrating a titanium cable to be fixed with the spinous process and the vertebral plate.
The main body support structure is also prefabricated with inclined holes 6, said inclined holes 6 receiving screws to be fixed with said vertebral plate 7 by said screws.
Main part bearing structure's lower extreme portion 4 prefabricated has hole 8, hole 8 runs through lower extreme portion 4, just hole 8 is two, two hole 8 is in same horizontal plane horizontal parallel arrangement, the direction of hole 8 with the vertical axis of main part bearing structure is perpendicular, hole 8 is used for penetrating behind the titanium cable with two side vertebral plates pressurization fixed.
Wherein, the lower end part 4 of the main body supporting structure is provided with a supporting plate 5 at the contact surface with the vertebral plate 7, the supporting plate 5 can be bent, the supporting plate 5 is used for increasing the contact area of the vertebral plate and the main body supporting structure, and the angle between the supporting plate 5 and the main body supporting structure can be adjusted.
Wherein, the preferable main part bearing structure adopts titanium metal 3D printing.
Preferably, the length of the supporting plate 5 is one of 2mm, 4mm, 6mm and 8 mm.
Preferably, the aperture of the transverse hole 3 and the aperture of the hole 8 are 2-3 mm; the recess 2 is provided with a plurality ofly, and is a plurality of 2 specifications of recess are different, different specification recess 2 is preferred to be arranged with 2mm interval.
Preferably, the inclined hole 6 is at an angle of 15 degrees, 30 degrees or 45 degrees to the horizontal.
The main body supporting structure is printed by titanium metal in a 3D mode, the strength is reliable, the elastic modulus is close to that of an autologous bone, deformation or fracture risks do not exist, and the main body supporting structure can be stably fused with the autologous bone; the shape can be designed manually, so that better adaptability is obtained, and the structure stability is facilitated; various holes used in combination with the screws and the titanium cables can be prefabricated, so that the fixing operation is convenient, and the stability is high; can realize minimally invasive operation on the reconstruction operations of structures such as bones, ligaments and muscles.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. An intervertebral support, fixation, fusion device, the intervertebral support, fixation, fusion device includes main part bearing structure, vertebral plate (7), its characterized in that: wherein the main body supporting structure comprises an upper end part (1) and a lower end part (4), the upper end part (1) and the lower end part (4) are integrally formed, the vertebral plates (7) are specifically two, and the stumps of the two vertebral plates (7) respectively abut against the side surfaces of the lower end part (4).
2. The interspinous support, fixation, fusion device of claim 1, wherein: the top of the upper end part (1) of the main body supporting structure is provided with a groove (2) for accommodating the spinous process.
3. The interspinous support, fixation, fusion device of claim 2, wherein: the upper end part (1) of the main body supporting structure is prefabricated with two transverse holes (3), the two transverse holes (3) penetrate through the upper end part (1), and the two transverse holes (3) are arranged in parallel up and down in the same vertical plane; the direction of the transverse hole (3) is vertical to the vertical axis of the main body supporting structure.
4. The interspinous support, fixation, fusion device of claim 3, wherein: the main body supporting structure is also prefabricated with inclined holes (6), and the inclined holes (6) accommodate screws so as to be fixed with the vertebral plate (7) through the screws.
5. The interspinous support, fixation, fusion device of claim 4, wherein: lower extreme portion (4) of main part bearing structure have hole (8) in advance, hole (8) run through lower extreme portion (4), just hole (8) are two, two hole (8) are at same horizontal plane parallel arrangement, the direction of hole (8) with the vertical axis of main part bearing structure is perpendicular.
6. The interspinous support, fixation, fusion device of claim 5, wherein: wherein the main body supporting structure is formed by 3D printing of titanium metal.
7. The interspinous support, fixation, fusion device of claim 6, wherein: the aperture of the transverse hole (3) and the aperture of the hole (8) are 2-3 mm; recess (2) are provided with a plurality ofly, and is a plurality of recess (2) specification is different, and different specification recess (2) are arranged with 2mm interval.
8. The interspinous support, fixation, fusion device of claim 7, wherein: the inclined holes (6) are at an angle of 15 degrees, 30 degrees or 45 degrees to the horizontal.
9. The interspinous support, fixation, fusion device of claim 8, wherein: the contact surface of the lower end part (4) of the main body supporting structure and the vertebral plate (7) is provided with a supporting plate (5), the supporting plate (5) can be bent, and the angle between the supporting plate (5) and the main body supporting structure can be adjusted.
10. The interspinous support, fixation, fusion device of claim 9, wherein: the length of the supporting plate (5) is 2mm, 4mm, 6mm or 8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351439.3U CN211213446U (en) | 2019-08-20 | 2019-08-20 | Device for supporting, fixing and fusing vertebral plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351439.3U CN211213446U (en) | 2019-08-20 | 2019-08-20 | Device for supporting, fixing and fusing vertebral plates |
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| Publication Number | Publication Date |
|---|---|
| CN211213446U true CN211213446U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921351439.3U Active CN211213446U (en) | 2019-08-20 | 2019-08-20 | Device for supporting, fixing and fusing vertebral plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110338895A (en) * | 2019-08-20 | 2019-10-18 | 北京大学第三医院（北京大学第三临床医学院） | Support, fixed, fusing device between a kind of vertebral plate |
-
2019
- 2019-08-20 CN CN201921351439.3U patent/CN211213446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110338895A (en) * | 2019-08-20 | 2019-10-18 | 北京大学第三医院（北京大学第三临床医学院） | Support, fixed, fusing device between a kind of vertebral plate |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230403 Address after: G356, 3rd floor, building 1, yard 9, CHENGWAN street, Haidian District, Beijing 100094 Patentee after: Beijing natong Medical Technology Holding Co.,Ltd. Address before: 100191 No.3 Hospital of Peking University, 49 Garden Road North, Beijing, Haidian District Patentee before: PEKING University THIRD HOSPITAL (PEKING UNIVERSITY THIRD CLINICAL MEDICAL College) |
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| TR01 | Transfer of patent right |