CN118021489A - Cartilage prosthesis - Google Patents
Cartilage prosthesis Download PDFInfo
- Publication number
- CN118021489A CN118021489A CN202410433297.4A CN202410433297A CN118021489A CN 118021489 A CN118021489 A CN 118021489A CN 202410433297 A CN202410433297 A CN 202410433297A CN 118021489 A CN118021489 A CN 118021489A
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- CN
- China
- Prior art keywords
- hole
- locking
- eccentric
- central
- nut
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000000845 cartilage Anatomy 0.000 title claims abstract description 31
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- 206010007710 Cartilage injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 210000000281 joint capsule Anatomy 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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- Prostheses (AREA)
Abstract
The present invention provides a cartilage prosthesis comprising: the main body is provided with a central hole, a central body is inserted into the central hole, and the central body is movably arranged in the central hole; the side wall of the main body is provided with a first adjusting groove and a second adjusting groove, and a first adjusting body and a second adjusting body are slidably arranged; the side wall of the main body is also provided with a first locking hole and a second locking hole, and a first locking nut and a second locking nut are respectively inserted into the first locking hole and the second locking hole; the side wall of the main body is also provided with an ejection hole and an eccentric hole, the ejection body is slidably arranged in the ejection hole, and the eccentric nut is inserted in the eccentric hole; the cap body is provided with a rod body perpendicular to the maximum section plane of the cap body and is inserted in the central body. By applying the technical scheme of the invention, the first adjusting body and the second adjusting body respectively adjust the transverse position and the vertical position of the central body, and the locking nut is used for locking, so that the aim of accurately positioning the cartilage prosthesis is fulfilled.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a cartilage prosthesis.
Background
The lubricating device for the natural joint mainly comprises a joint cartilage serving as a core, and comprises a joint surface, a joint cavity, a joint capsule and the like, wherein the joint cartilage is attached to the joint end, and the characteristic of elasticity provides a good foundation for joint lubrication. The joint cartilage injury is a common orthopedic disease, is mostly caused by trauma, osteoarthritis, joint operation side injury and the like, and is clinically mainly manifested by joint pain and movement dysfunction.
In the course of treatment, cartilage prostheses provide a staged treatment for removal of diseased cartilage, but in the removal process, often repeated implantation occurs due to inaccurate positioning, causing further damage to the diseased site.
Aiming at the problems, the invention provides a cartilage prosthesis which is provided with an adjustable positioning range and is accurately implanted after positioning, so that the problem of inaccurate positioning in the process of implanting the cartilage prosthesis is solved.
Disclosure of Invention
The invention provides a cartilage prosthesis, which aims to solve the problem of inaccurate positioning of the cartilage prosthesis in the related technology.
The present invention provides a cartilage prosthesis comprising: the main body is provided with a central hole, a central body is inserted into the central hole, and the central body is movably arranged in the central hole; the side wall of the main body is provided with a first adjusting groove and a second adjusting groove, and a first adjusting body and a second adjusting body are slidably arranged; the side wall of the main body is also provided with a first locking hole and a second locking hole, and a first locking nut and a second locking nut are respectively inserted into the first locking hole and the second locking hole; the side wall of the main body is also provided with an ejection hole and an eccentric hole, the ejection body is slidably arranged in the ejection hole, and the eccentric nut is inserted in the eccentric hole; the cap body is provided with a rod body perpendicular to the maximum section plane of the cap body and is inserted in the central body.
Further, the central body is also provided with a positioning hole, a first sliding rail and a second sliding rail, the first sliding rail is perpendicular to the second sliding rail but is not intersected with the second sliding rail, and the rod body is inserted into the positioning hole of the central body.
Further, the lower end of the rod body is provided with a first cone part, the side wall of the rod body is provided with a locking groove, a locking element is inserted in the locking groove, the locking element is arc-shaped, and the bottom end of the locking element is provided with a barb.
Further, the first adjusting body is provided with a first sliding hole, the second adjusting body is provided with a second sliding hole, the central body is slidably arranged in the first sliding hole and the second sliding hole, the first adjusting body is matched with the first sliding rail to slide, and the second adjusting body is matched with the second sliding rail to slide.
Further, the first adjusting body is provided with a first threaded hole which is in threaded fit with the first locking nut; the second adjusting body is provided with a second threaded hole which is in threaded fit with the second locking nut.
Further, the ejection body is provided with a second cone part, and the second cone part is provided with an initial position that the cone top is parallel to the side wall of the main body and an extension position that the cone top protrudes out of the side wall of the main body.
Further, the ejection body is provided with an eccentric groove which is rectangular and is slidably provided with an eccentric nut.
Further, the eccentric nut is provided with an eccentric part which is rotatably arranged in the eccentric groove, and the eccentric part is also provided with a locking part which is abutted against the side wall of the eccentric groove.
By applying the technical scheme of the invention, the cartilage prosthesis comprises: the main part, be equipped with the centre bore, insert and establish the central body, first adjusting body and second adjusting body adjust the lateral position and the vertical position of central body respectively, use lock nut to lock, realize the accurate purpose of location of cartilage prosthesis.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 shows an exploded view of a cartilage prosthesis provided in accordance with an embodiment of the present invention;
FIG. 2 shows a transverse cross-sectional view of a cartilage prosthesis provided in accordance with an embodiment of the present invention;
FIG. 3 shows a vertical cross-section of a cartilage prosthesis provided in accordance with an embodiment of the present invention;
FIG. 4 shows an oblique cross-sectional view of a cartilage prosthesis provided in accordance with an embodiment of the present invention;
FIG. 5 shows a schematic structural view of the body of FIG. 1;
FIG. 6 shows a schematic structural view of the central body of FIG. 1;
FIG. 7 shows a schematic structural view of the cap of FIG. 1;
Fig. 8 shows a schematic structural view of the first adjustment body of fig. 1;
Fig. 9 shows a schematic structural view of the second adjustment body of fig. 1;
FIG. 10 is a schematic view showing the structure of the ejector body of FIG. 1;
Fig. 11 shows a schematic structural view of the eccentric nut of fig. 1.
Wherein the above figures include the following reference numerals:
10. A main body; 11. a central bore; 111. a central body; 1111. positioning holes; 1112. a first slide rail; 1113. a second slide rail; 12. a first adjustment tank; 121. a first adjustment body; 1211. a first sliding hole; 1212. a first threaded hole; 13. a first locking hole; 131. a first lock nut; 14. a second regulating groove; 141. a first adjustment body; 1411. a second sliding hole; 1412. a second threaded hole; 15. a second locking hole; 151. a second lock nut; 16. an ejection hole; 161. an ejector body; 1611. a second vertebral section; 1612. an eccentric groove; 17. an eccentric hole; 171. an eccentric nut; 1711. a eccentric portion; 1712. a locking part;
20. a cap body; 21. a rod body; 211. a first vertebral section; 212. a locking groove; 213. a locking element; 2131. a barb.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 11, the present invention provides a cartilage prosthesis comprising: a main body 10 provided with a central hole 11, a central body 111 is inserted, and the central body 111 is movably arranged in the central hole 11; the side wall of the main body 10 is provided with a first adjusting groove 12 and a second adjusting groove 14, and a first adjusting body 121 and a second adjusting body 141 are slidably arranged; the side wall of the main body 10 is also provided with a first locking hole 13 and a second locking hole 15, and a first locking nut 131 and a second locking nut 151 are respectively inserted; the side wall of the main body 10 is also provided with an ejection hole 16 and an eccentric hole 17, the ejection body 161 is slidably arranged in the ejection hole 16, and the eccentric nut 171 is inserted in the eccentric hole 17; the cap 20 is provided with a rod 21 perpendicular to the maximum section plane of the cap 20, inserted in the central body 111.
By applying the technical scheme of the invention, the cartilage prosthesis comprises: the main body 10 is provided with a central hole 11, the central body 111 is inserted, the first adjusting body 121 and the second adjusting body 141 respectively adjust the transverse position and the vertical position of the central body 111, and the locking nut is used for locking, so that the aim of accurately positioning the cartilage prosthesis is fulfilled.
As shown in fig. 6, the central body 111 is further provided with a positioning hole 1111, a first sliding rail 1112 and a second sliding rail 1113, wherein the first sliding rail 1112 is perpendicular to the second sliding rail 1113 but does not intersect with the second sliding rail 1113, and the rod 21 is inserted into the positioning hole 1111 of the central body 111.
As shown in fig. 2 to 7, a first cone 211 is provided at the lower end of the rod 21, a locking groove 212 is provided at the side wall of the rod 21, a locking element 213 is inserted into the locking groove 212, the locking element 213 is arc-shaped, and a barb 2131 is provided at the bottom end.
Before assembly, the barbs 2131 are retracted into the locking slots 212 and the locking elements 213 are squeezed by the side walls of the locating holes 1111 during assembly, ejecting the barbs 2131 for locking.
As shown in fig. 8 to 9, the first adjusting body 121 is provided with a first sliding hole 1211, the second adjusting body 141 is provided with a second sliding hole 1411, the central body 111 is slidably disposed in the first sliding hole 1211 and the second sliding hole 1411, the first adjusting body 121 slides in cooperation with the first sliding rail 1112, and the second adjusting body 141 slides in cooperation with the second sliding rail 1113.
As shown in fig. 8 to 9, the first adjustment body 121 is provided with a first screw hole 1212, which is screw-fitted with the first lock nut 131; the second adjustment body 141 is provided with a second threaded hole 1412 that is threadedly engaged with the second lock nut 151.
As shown in fig. 10, the ejector body 161 is provided with a second cone 1611 having an initial position in which the cone apex is parallel to the side wall of the main body 10 and an extended position in which the cone apex protrudes from the side wall of the main body 10.
In particular, the ejector body 161 is provided with an eccentric groove 1612, which is rectangular, and is slidably provided with an eccentric nut 171.
As shown in fig. 11, the eccentric nut 171 is provided with an eccentric portion 1711, the eccentric portion 1711 is arc-shaped and rotatably provided in an eccentric groove 1612, the eccentric portion 1711 is further provided with a locking portion 1712, and the locking portion 1712 is flat and abuts against the side wall of the eccentric groove 1612.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1.A cartilage prosthesis comprising:
A main body (10) provided with a central hole (11) and a central body (111) inserted therein, wherein the central body (111) is movably arranged in the central hole (11);
the side wall of the main body (10) is provided with a first adjusting groove (12) and a second adjusting groove (14), and a first adjusting body (121) and a second adjusting body (141) are slidably arranged;
the side wall of the main body (10) is also provided with a first locking hole (13) and a second locking hole (15), and a first locking nut (131) and a second locking nut (151) are respectively inserted;
The side wall of the main body (10) is also provided with an ejection hole (16) and an eccentric hole (17), the ejection body (161) is slidably arranged in the ejection hole (16), and the eccentric nut (171) is inserted in the eccentric hole (17);
the cap body (20) is provided with a rod body (21) perpendicular to the maximum section plane of the cap body (20) and is inserted into the central body (111).
2. A cartilage prosthesis according to claim 1, characterized in that the central body (111) is further provided with a positioning hole (1111), a first slide rail (1112) and a second slide rail (1113), the first slide rail (1112) being perpendicular to the second slide rail (1113) but not intersecting, and the rod body (21) being inserted in the positioning hole (1111) of the central body (111).
3. A cartilage prosthesis as claimed in claim 1, characterized in that the lower end of the rod body (21) is provided with a first cone (211), the side wall of the rod body (21) is provided with a locking groove (212), a locking element (213) is inserted in the locking groove (212), the locking element (213) is arc-shaped, and the bottom end is provided with a barb (2131).
4. A cartilage prosthesis as claimed in claim 1, characterized in that the first adjustment body (121) is provided with a first sliding hole (1211), the second adjustment body (141) is provided with a second sliding hole (1411), the central body (111) is slidably arranged in the first sliding hole (1211) and the second sliding hole (1411), the first adjustment body (121) slides in cooperation with the first sliding rail (1112), and the second adjustment body (141) slides in cooperation with the second sliding rail (1113).
5. A cartilage prosthesis as claimed in claim 1, characterized in that the first adjustment body (121) is provided with a first threaded hole (1212) for threaded engagement with the first locking nut (131); the second adjustment body (141) is provided with a second threaded hole (1412) which is in threaded engagement with the second lock nut (151).
6. A cartilage prosthesis as claimed in claim 1, characterised in that the ejection body (161) is provided with a second cone (1611) having an initial position in which the cone apex is parallel to the side walls of the body (10) and an extended position in which the cone apex projects from the side walls of the body (10).
7. A cartilage prosthesis as claimed in claim 1, characterized in that the ejector body (161) is provided with an eccentric groove (1612) of rectangular shape, slidably provided with an eccentric nut (171).
8. The cartilage prosthesis of claim 1, wherein the eccentric nut (171) is provided with an eccentric portion (1711) rotatably arranged in the eccentric groove (1612), and the eccentric portion (1711) is further provided with a locking portion (1712) abutting against the side wall of the eccentric groove (1612).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410433297.4A CN118021489A (en) | 2024-04-11 | 2024-04-11 | Cartilage prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410433297.4A CN118021489A (en) | 2024-04-11 | 2024-04-11 | Cartilage prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118021489A true CN118021489A (en) | 2024-05-14 |
Family
ID=91004463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410433297.4A Pending CN118021489A (en) | 2024-04-11 | 2024-04-11 | Cartilage prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118021489A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0699426A1 (en) * | 1994-09-05 | 1996-03-06 | Medinov S.A. | Sliding intervertebral prosthesis, especially cervical intervertebral prosthesis |
| US5693096A (en) * | 1995-07-18 | 1997-12-02 | Bettez; Maurice | Vocal cord medializing device |
| CN1964681A (en) * | 2004-04-28 | 2007-05-16 | Ldr医学公司 | Intervertebral disc prothesis |
| US20110307012A1 (en) * | 2009-03-31 | 2011-12-15 | Mir Hamid R | Spinous Process Cross-Link |
| CA2748955A1 (en) * | 2011-01-21 | 2012-07-21 | Marvin Schwartz | Mobile prosthesis for interpositional location between bone joint articular surfaces and method of use |
| US20140107784A1 (en) * | 2011-04-15 | 2014-04-17 | Valerie LEMAIRE | Intervertebral disc prosthesis and intervertebral prosthetic unit |
| CN112245069A (en) * | 2020-11-20 | 2021-01-22 | 北京爱康宜诚医疗器材有限公司 | Cartilage prosthesis |
| CN113796997A (en) * | 2021-11-19 | 2021-12-17 | 北京爱康宜诚医疗器材有限公司 | Acetabular cup prosthesis |
| CN115869114A (en) * | 2023-01-31 | 2023-03-31 | 北京爱康宜诚医疗器材有限公司 | Cartilage prosthesis |
-
2024
- 2024-04-11 CN CN202410433297.4A patent/CN118021489A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0699426A1 (en) * | 1994-09-05 | 1996-03-06 | Medinov S.A. | Sliding intervertebral prosthesis, especially cervical intervertebral prosthesis |
| US5693096A (en) * | 1995-07-18 | 1997-12-02 | Bettez; Maurice | Vocal cord medializing device |
| CN1964681A (en) * | 2004-04-28 | 2007-05-16 | Ldr医学公司 | Intervertebral disc prothesis |
| US20110307012A1 (en) * | 2009-03-31 | 2011-12-15 | Mir Hamid R | Spinous Process Cross-Link |
| CA2748955A1 (en) * | 2011-01-21 | 2012-07-21 | Marvin Schwartz | Mobile prosthesis for interpositional location between bone joint articular surfaces and method of use |
| US20140107784A1 (en) * | 2011-04-15 | 2014-04-17 | Valerie LEMAIRE | Intervertebral disc prosthesis and intervertebral prosthetic unit |
| CN112245069A (en) * | 2020-11-20 | 2021-01-22 | 北京爱康宜诚医疗器材有限公司 | Cartilage prosthesis |
| CN113796997A (en) * | 2021-11-19 | 2021-12-17 | 北京爱康宜诚医疗器材有限公司 | Acetabular cup prosthesis |
| CN115869114A (en) * | 2023-01-31 | 2023-03-31 | 北京爱康宜诚医疗器材有限公司 | Cartilage prosthesis |
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