CN220676180U - Hip joint femoral stem prosthesis - Google Patents
Hip joint femoral stem prosthesis Download PDFInfo
- Publication number
- CN220676180U CN220676180U CN202321543986.8U CN202321543986U CN220676180U CN 220676180 U CN220676180 U CN 220676180U CN 202321543986 U CN202321543986 U CN 202321543986U CN 220676180 U CN220676180 U CN 220676180U
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- Prior art keywords
- femoral stem
- hip joint
- femoral
- hip
- head
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- 210000004394 hip joint Anatomy 0.000 title claims abstract description 76
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003814 drug Substances 0.000 claims abstract description 15
- 210000001624 hip Anatomy 0.000 claims description 23
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 239000013543 active substance Substances 0.000 abstract description 10
- 210000001185 bone marrow Anatomy 0.000 abstract description 8
- 210000002901 mesenchymal stem cell Anatomy 0.000 abstract description 8
- 239000000919 ceramic Substances 0.000 abstract description 6
- 230000002188 osteogenic effect Effects 0.000 abstract description 3
- 230000009818 osteogenic differentiation Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 238000012377 drug delivery Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000002436 femur neck Anatomy 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000008407 joint function Effects 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
- 229940126680 traditional chinese medicines Drugs 0.000 description 2
- 229910001040 Beta-titanium Inorganic materials 0.000 description 1
- 229910000883 Ti6Al4V Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000002391 femur head Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 210000000528 lesser trochanter Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Prostheses (AREA)
Abstract
The utility model belongs to the technical field of medical equipment, and particularly relates to a hip joint femoral stem prosthesis, which comprises a hip joint femoral stem cone, a hip joint femoral stem neck fixed at the bottom of the hip joint femoral stem cone, a hip joint femoral stem body fixed at the bottom of the hip joint femoral stem neck, and a medicine placing component arranged on the outer surface of the hip joint femoral stem body, wherein the hip joint femoral stem cone, the hip joint femoral stem neck and the hip joint femoral stem body are formed by mixing and pouring biological ceramics and traditional Chinese medicine active substances, the fixation of a titanium mesh is ensured through the arranged medicine placing component, the active substances in the prosthesis can be released through a reticular hollow structure of the titanium mesh, the bone marrow mesenchymal stem cells are promoted to be osteogenic and differentiated, the fixation of a femoral head is ensured through the arranged femoral head component, and a thread head at the bottom of the femoral head is screwed into a femoral threaded hole until a locking block is screwed into a locking groove, and the femoral head is completely fixed.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a hip joint femoral stem prosthesis.
Background
Artificial hip joint replacement is one of the effective means for treating hip joint bone fracture diseases, the artificial joint prosthesis is implanted into a human body through surgical operation to replace physiological joints and restore joint functions, and a femoral stem is taken as a component part of the artificial hip joint prosthesis and plays a vital role, so that the implantation effect directly influences the restoration degree of joint functions;
through investigation publication (bulletin) number: CN218075348U discloses a femoral stem system and a hip joint prosthesis, this technology discloses "comprising a plurality of sets of femoral stems, wherein each set of femoral stems comprises at least one femoral stem; the femoral stem comprises a femoral stem main body and a ball head, wherein the femoral stem main body comprises a stem body and a femoral neck which are connected, and the femoral neck is provided with technical contents such as an installation part; the femoral stem suitable for the model of a patient can be selected according to the eccentric distance parameter range of the femoral stem main body and the eccentric distance parameter range of the femoral stem main body provided with the ball head, so that the technical effects of waste and the like of model setting of the femoral stem in a femoral stem system are avoided;
although the design can select the femoral stem suitable for the model of a patient according to the eccentric distance parameter range of the femoral stem main body and the eccentric distance parameter range of the femoral stem main body provided with the ball head, the femoral stem is not provided with biological ceramic powder and traditional Chinese medicine active substance powder, and bone marrow mesenchymal stem cell osteogenic differentiation cannot be promoted;
to solve the above problems, a hip femoral stem prosthesis is proposed in the present application.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides a hip joint femoral stem prosthesis, which has the characteristic of promoting bone marrow mesenchymal stem cell osteogenic differentiation.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the hip joint femoral stem prosthesis comprises a hip joint femoral stem cone, a hip joint femoral stem neck fixed at the bottom of the hip joint femoral stem cone, a hip joint femoral stem body fixed at the bottom of the hip joint femoral stem neck, and a medicine placing component arranged on the outer surface of the hip joint femoral stem body;
the medicine placing component comprises a titanium net arranged on the outer surface of the hip joint femoral stem body, a fastening strip fixed at the top of the titanium net and a plurality of groups of fastening blocks fixed on the outer side of the fastening strip.
As the hip joint femoral stem prosthesis, preferably, one end of the fastening strip is provided with a T-shaped groove, the shape of the other end of the fastening strip is matched with that of the T-shaped groove, and the outer side of the other end of the fastening strip is provided with a plurality of groups of fastening threaded holes matched with the fastening block.
Preferably, the titanium mesh is a mesh structure as a hip joint femoral stem prosthesis.
Preferably, as a hip femoral stem prosthesis of the present utility model, the coronal taper of the hip femoral stem neck decreases progressively from the proximal end of the hip femoral stem neck to the distal end of the hip femoral stem neck.
As the hip joint femoral stem prosthesis, preferably, the top of the hip joint femoral stem neck is provided with a mounting hole, and the inside of the mounting hole is provided with a surgical thread hole.
The hip joint femoral stem prosthesis preferably further comprises a femoral head component arranged at the top of the hip joint femoral stem cone, wherein the femoral head component comprises a femoral head fixed at the hip joint femoral stem cone, a threaded head fixed at the bottom of the femoral head and a locking piece fixed on the outer surface of the top of the threaded head.
As the hip joint femoral stem prosthesis, preferably, the bottom of the hip joint femoral stem cone is provided with a femoral threaded hole matched with the threaded head, and the top of the inner cavity of the femoral threaded hole is provided with a locking groove matched with the locking block.
Compared with the prior art, the utility model has the beneficial effects that:
the femoral stem cone of the hip joint, the femoral stem neck of the hip joint and the femoral stem body of the hip joint are fixed in a mixed pouring mode through biological ceramics and traditional Chinese medicine active substances, the fixing of a titanium net is guaranteed through the arranged medicine placing component, the active substances in the prosthesis can be released through the net-shaped hollow structure of the titanium net, bone marrow mesenchymal stem cells are promoted to be osteogenic and differentiated, the fixing of a femoral head is guaranteed through the arranged femoral head component, the threaded head at the bottom of the femoral head is screwed into a femoral threaded hole until a locking piece is screwed into a locking groove, and the femoral head is completely fixed.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the titanium mesh of the present utility model;
FIG. 3 is a schematic view of the structure of the fastening strip and its connecting parts according to the present utility model;
FIG. 4 is a schematic view of a surgical threaded hole according to the present utility model;
fig. 5 is a schematic view of a femoral head component according to the present utility model
In the figure:
1. hip joint femoral stem cone;
2. a drug delivery assembly; 21. titanium mesh; 22. a fastening strip; 23. a tightening block; 24. a T-shaped groove; 25. a mounting hole; 26. a surgical threaded hole; 27. fastening the threaded hole;
3. a femoral head assembly; 31. femur head; 32. a thread head; 33. a locking piece; 34. a femoral threaded hole; 35. a locking groove;
4. hip joint femoral stem neck;
5. hip joint femoral stem body.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1;
a hip-joint femoral stem prosthesis, which comprises a hip-joint femoral stem cone 1, a hip-joint femoral stem neck 4 fixed at the bottom of the hip-joint femoral stem cone 1 and a hip-joint femoral stem body 5 fixed at the bottom of the hip-joint femoral stem neck 4.
In this embodiment: through investigation publication (bulletin) number: CN218075348U discloses a femoral stem system and hip prosthesis, see the following disclosure for details; in order to solve the technical problem in the prior art, as disclosed in the background art above, although the design can effectively recover the arm of force of the muscle groups such as abduction of the patient, the femoral stem is not provided with biological ceramic powder and traditional Chinese medicine active substance powder, bone marrow mesenchymal stem cells can not be promoted to be osteogenic differentiated, and the problem is obviously a problem which exists in reality and is difficult to solve in combination with practical use, therefore, in order to solve the technical problem, the medicine placing component 2 and the femoral head component 3 are added on the basis.
As shown in fig. 1 and 5;
in combination with the above, in order to facilitate the release of the internal substances of the hip femoral stem, the device further comprises a drug delivery component 2 arranged on the outer surface of the hip femoral stem body 5, wherein the drug delivery component 2 comprises a titanium mesh 21 arranged on the outer surface of the hip femoral stem body 5, a fastening strip 22 fixed on the top of the titanium mesh 21 and a plurality of groups of fastening blocks 23 fixed on the outer side of the fastening strip 22.
In this embodiment: the hip joint femoral stem cone 1, the hip joint femoral stem neck 4 and the hip joint femoral stem body 5 are formed by mixing and pouring biological ceramics and active substances of traditional Chinese medicines, and the traditional Chinese medicines are released to promote bone marrow mesenchymal stem cells to osteogenic differentiation.
In an alternative embodiment, one end of the fastening strip 22 is provided with a T-shaped groove 24, the shape of the other end of the fastening strip 22 is matched with that of the T-shaped groove 24, and the outer side of the other end of the fastening strip 22 is provided with a plurality of groups of fastening threaded holes 27 matched with the fastening blocks 23.
In this embodiment: the method for fixing the titanium mesh 21 is that the other end of the fastening is inserted into the T-shaped groove 24, then the fastening block 23 is tightened, and the fastening block 23 is fixed in the fixing nut hole, so that the titanium mesh 21 can be stably fixed.
In an alternative embodiment, the titanium mesh 21 is a mesh structure.
In this embodiment: the reticular hollow structure of the titanium mesh 21 can release active substances in the prosthesis, and the traditional Chinese medicine release is used for promoting bone marrow mesenchymal stem cell osteogenic differentiation.
It should be noted that: the titanium mesh 21 is preferably made of Ti-6Al-4V, and has the advantages of both alpha and beta titanium alloys, namely good plasticity and good heat resistance.
In an alternative embodiment, the coronal taper of the hip femoral stem neck 4 gradually decreases from the proximal end of the hip femoral stem neck 4 to the distal end of the hip femoral stem neck 4.
In this embodiment: the taper of the coronal surface of the hip joint femoral stem neck 4 is matched with the medullary cavity of different people, so that the hip joint femoral stem is well matched with the femoral medullary cavity, and the occurrence of the fracture of the lesser trochanter of the hip joint femoral stem during implantation can be avoided.
In an alternative embodiment, the top of the hip femoral stem neck 4 is provided with a mounting hole 25, the interior of the mounting hole 25 is provided with a surgical threaded hole 26, and the neck of the mounting hole 25 is larger than the surgical threaded hole 26.
In this embodiment: the mounting holes 25 are for fixation by instruments and the surgical screw holes 26 are for mounting.
As shown in fig. 1 and 5;
in combination with the above, in order to ensure the fixation of the femoral head 31, the femoral head assembly 3 is further arranged at the top of the hip joint femoral stem cone 1, and the femoral head assembly 3 comprises the femoral head 31 fixed at the hip joint femoral stem cone 1, a threaded head 32 fixed at the bottom of the femoral head 31 and a locking piece 33 fixed on the outer surface of the top of the threaded head 32.
In this embodiment: the femoral head 31 is mounted on the hip femoral stem cone 1 by a threaded head 32 and is secured by a locking piece 33.
In an alternative embodiment, the bottom of the hip joint femoral stem cone 1 is provided with a femoral threaded hole 34 matched with the threaded head 32, and the top of the inner cavity of the femoral threaded hole 34 is provided with a locking groove 35 matched with the locking block 33.
In this embodiment: the femoral head 31 can be completely fixed on the hip joint femoral stem cone 1 by the cooperation of the locking piece 33 and the locking groove 35 through the threaded head 32 at the bottom of the femoral head 31 being screwed into the femoral threaded hole 34 until the locking piece 33 is screwed into the locking groove 35 and the femoral head is completely fixed.
The working principle and the using flow of the utility model are as follows: when the hip joint femoral stem prosthesis is used, firstly, the hip joint femoral stem cone 1, the hip joint femoral stem neck 4 and the hip joint femoral stem body 5 are fixed, the hip joint femoral stem neck and the hip joint femoral stem body 5 are molded by mixing biological ceramics and traditional Chinese medicine active substances, the method for fixing the titanium mesh 21 is that the other end of the fastening is inserted into the T-shaped groove 24, then the fastening block 23 is tensioned and then the fastening block 23 is fixed in a fixing nut hole, the titanium mesh 21 can be stably fixed, the active substances in the prosthesis can be released by the reticular hollow structure of the titanium mesh 21, the traditional Chinese medicine release is used for promoting bone marrow mesenchymal stem cell osteogenic differentiation, the threaded head 32 at the bottom of the femoral bulb 31 is screwed into the femoral threaded hole 34 until the locking block 33 is screwed into the locking groove 35, and the femoral head is completely fixed.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a hip joint femoral stem prosthesis, includes hip joint femoral stem awl (1) and fixes hip joint femoral stem neck (4) of hip joint femoral stem awl (1) bottom and fix hip joint femoral stem body (5) of hip joint femoral stem neck (4) bottom, its characterized in that: the medicine placing assembly (2) is arranged on the outer surface of the hip joint femoral stem body (5);
the medicine placing component (2) comprises a titanium net (21) arranged on the outer surface of the hip joint femoral stem body (5), a fastening strip (22) fixed at the top of the titanium net (21) and a plurality of groups of fastening blocks (23) fixed on the outer side of the fastening strip (22).
2. The hip femoral stem prosthesis of claim 1, wherein: t-shaped grooves (24) are formed in one end of the fastening strip (22), the shape of the other end of the fastening strip (22) is matched with that of the T-shaped grooves (24), and a plurality of groups of fastening threaded holes (27) matched with the fastening blocks (23) are formed in the outer side of the other end of the fastening strip (22).
3. The hip femoral stem prosthesis of claim 1, wherein: the titanium net (21) is of a net structure.
4. The hip femoral stem prosthesis of claim 1, wherein: the coronal taper of the hip femoral stem neck (4) gradually decreases from the proximal end of the hip femoral stem neck (4) to the distal end of the hip femoral stem neck (4).
5. The hip femoral stem prosthesis of claim 1, wherein: the hip joint femoral stem neck (4) is characterized in that the top of the hip joint femoral stem neck (4) is provided with a mounting hole (25), and the inside of the mounting hole (25) is provided with a surgical thread hole (26).
6. The hip femoral stem prosthesis of claim 1, wherein: the femoral head assembly comprises a femoral head assembly (3) arranged at the top of the hip joint femoral stem cone (1), wherein the femoral head assembly (3) comprises a femoral head (31) fixed at the hip joint femoral stem cone (1), a threaded head (32) fixed at the bottom of the femoral head (31) and a locking block (33) fixed on the outer surface of the top of the threaded head (32).
7. The hip femoral stem prosthesis of claim 6, wherein: the bottom of the hip joint femoral stem cone (1) is provided with a femoral threaded hole (34) matched with the threaded head (32), and the top of an inner cavity of the femoral threaded hole (34) is provided with a locking groove (35) matched with the locking block (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543986.8U CN220676180U (en) | 2023-06-16 | 2023-06-16 | Hip joint femoral stem prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321543986.8U CN220676180U (en) | 2023-06-16 | 2023-06-16 | Hip joint femoral stem prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220676180U true CN220676180U (en) | 2024-03-29 |
Family
ID=90371409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321543986.8U Active CN220676180U (en) | 2023-06-16 | 2023-06-16 | Hip joint femoral stem prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220676180U (en) |
-
2023
- 2023-06-16 CN CN202321543986.8U patent/CN220676180U/en active Active
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