CN206560487U - Acetabular bone filling prosthesis - Google Patents
Acetabular bone filling prosthesis Download PDFInfo
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- CN206560487U CN206560487U CN201621308852.8U CN201621308852U CN206560487U CN 206560487 U CN206560487 U CN 206560487U CN 201621308852 U CN201621308852 U CN 201621308852U CN 206560487 U CN206560487 U CN 206560487U
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- acetabular bone
- connecting plate
- pelvis
- internal face
- plate
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Abstract
The utility model provides a kind of acetabular bone filling prosthesis, using the acetabular bone filling prosthesis of technical solutions of the utility model, including：Fill plate body structure, filling plate body structure has the first connection end being connected with pelvis and the second connection end being connected with the acetabular bone cut down on pelvis, filling plate body structure is used to be filled in the gap between pelvis and acetabular bone, and the acetabular bone cut down is supported and the precalculated position of pelvis is fixed on.The gap between the acetabular bone cut down and pelvis can be filled and be supported when carrying out bone-culting operation, solve and carry out being not filled with or filling using autologous bone during bone-culting operation in the prior art, stress conducting effect is not good, the problem of influenceing stabilization at initial stage and early loading.
Description
Technical field
The utility model is related to area of medical devices, in particular to a kind of acetabular bone filling prosthesis.
Background technology
Ganz osteotomies are the Periacetabular osteotomies started by the Ganz doctor of Bern, SUI hospital nineteen eighty-three.Ganz
Osteotomy changes the direction of acetabular bone covering, adds area coverage of the hip joint to femoral head so that young acetabular development
Bad patient delays even from prosthetic replacement significantly.
For that can not can only be moved after ensureing acetabular bone center, acetabular bone osteotomy around acetabular bone central rotation according to sclerotin situation
Dynamic, this is resulted in above acetabular bone and rear side formation Cranial defect, and the position of the two positions exactly mechanics carrying, and conventional method is not
Filling is filled using autologous bone, and stress conducting effect is not good, influence stabilization at initial stage and early loading；If generation bone grafting is inhaled
Receive, it will the long-term acetabular bone of influence is stable, and bone grafting size and shape are required in art being determined according to doctors experience, operating time
Extension.
Utility model content
Main purpose of the present utility model is to provide a kind of acetabular bone filling prosthesis, to solve to carry out osteotomy in the prior art
It is not filled with or is filled using autologous bone during operation, stress conducting effect is not good, the problem of influenceing stabilization at initial stage and early loading.
To achieve these goals, according to content of the present utility model there is provided a kind of acetabular bone filling prosthesis, including：Fill out
Plate body structure is filled, filling plate body structure has the first connection end being connected with pelvis and is connected with the acetabular bone cut down on pelvis
The second connection end, filling plate body structure be used for be filled in the gap between pelvis and acetabular bone, by the acetabular bone cut down support
And it is fixed on the precalculated position of pelvis.
Further, filling plate body structure includes：First connecting plate, is fixedly connected with the tangent plane of pelvis；Second connecting plate,
It is fixedly connected with the tangent plane of acetabular bone；Supporting plate, is arranged between the first connecting plate and the second connecting plate, and the first connecting plate passes through branch
Fagging is connected to support the acetabular bone cut down and be fixed on the precalculated position of pelvis with the second connecting plate.
Further, the first connecting plate, the second connecting plate and supporting plate are integrally formed.
Further, the first connecting plate, the second connecting plate and supporting plate constitute the plate body structure of bending.
Further, the first connecting plate has the first composition surface for being used for being connected with the tangent plane of pelvis, the second connecting plate tool
Have and be provided with the first grid knot on the second composition surface being connected for the tangent plane with acetabular bone, the first composition surface and the second composition surface
Structure.
Further, the first connecting plate has on the first internal face mutually deviated from the first composition surface, the second connecting plate and had
Having in the second internal face mutually deviated from the second composition surface, supporting plate has adjacent with the second internal face with the first internal face the
Three internal faces；Wherein, the first internal face and the second internal face are relative, on the first internal face, the second internal face and the 3rd internal face
It is provided with the second network.
Further, it is provided with plate body reinforcement on the first internal face, the second internal face and the 3rd internal face.
Further, it is provided with the first connecting plate and the second connecting plate and multiple puts nail, the first internal face and second
It is provided with internal face around the nail reinforcement for putting nail.
Further, plate body reinforcement and nail reinforcement are connected with each other and are integrally formed.
Further, be provided with the first connecting plate and the second connecting plate it is multiple be used to put nail for what screw was passed through,
Screw, which is located in, to be put in nail the first connecting plate being fixedly connected with the tangent plane of pelvis or by the second connecting plate and acetabular bone
Tangent plane is fixedly connected.
Further, the shape of the first connecting plate and the shape of pelvis tangent plane match, the shape and hip of the second connecting plate
The shape of the tangent plane of mortar matches.
Using the acetabular bone filling prosthesis of technical solutions of the utility model, including：Fill plate body structure, filling plate body structure tool
There are the first connection end being connected with pelvis and the second connection end being connected with the acetabular bone cut down on pelvis, fill plate body structure
For being filled in the gap between pelvis and acetabular bone, the acetabular bone cut down is supported and the precalculated position of pelvis is fixed on.
The gap between the acetabular bone cut down and pelvis can be filled and be supported during osteotomy, solve and enter in the prior art
It is not filled with or is filled using autologous bone during row osteotomy, stress conducting effect is not good, influence is stable and early loading initial stage
Problem.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is according to a kind of optional structural representation of acetabular bone filling prosthesis of the utility model embodiment；
Fig. 2 is according to a kind of optional installation of acetabular bone filling prosthesis between pelvis and acetabular bone of the utility model embodiment
Structural representation；And
Fig. 3 is the structural representation according to the gap untied between the utility model embodiment midpelvis and acetabular bone.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, the first connecting plate；20th, the second connecting plate；30th, supporting plate；40th, plate body reinforcement；50th, nail is put；60th, nail
Reinforcement；70th, pelvis；80th, acetabular bone；90th, screw hole.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
According to the acetabular bone filling prosthesis of the utility model embodiment, as depicted in figs. 1 and 2, including：Fill plate body structure,
Filling plate body structure has the first connection end being connected with pelvis 70 and be connected with the acetabular bone 80 cut down on pelvis 70 the
Two connection ends, filling plate body structure is used to be filled in the gap between pelvis 70 and acetabular bone 80, by the acetabular bone 80 cut down
Support and be fixed on the precalculated position of pelvis 70.
Using a kind of acetabular bone filling prosthesis of technical solutions of the utility model, including：Plate body structure is filled, plate body knot is filled
Structure has the first connection end being connected with pelvis 70 and the second connection end being connected with the acetabular bone 80 cut down on pelvis 70, fills out
Filling plate body structure is used to be filled in the gap between pelvis 70 and acetabular bone 80, and the acetabular bone 80 cut down is supported and bone is fixed on
The precalculated position of basin 70.The gap between the acetabular bone 80 cut down and pelvis 70 can be filled and be propped up when carrying out osteotomy
Support, is solved and carries out being not filled with or being filled using autologous bone during osteotomy in the prior art, stress conducting effect is not good, influence
Initial stage is stable and the problem of early loading.
When it is implemented, as depicted in figs. 1 and 2, filling plate body structure includes：First connecting plate 10, the second connecting plate 20
With supporting plate 30, the first connecting plate 10 is fixedly connected with the tangent plane of pelvis 70；The tangent plane of second connecting plate 20 and acetabular bone 80 is fixed
Connection；Supporting plate 30 is arranged between the first connecting plate 10 and the second connecting plate 20, the first connecting plate 10 by supporting plate 30 with
Second connecting plate 20 connects to support the acetabular bone cut down 80 and be fixed on the precalculated position of pelvis 70.
In order that the first connecting plate 10 is connected ground with pelvis 70 and more consolidated, and the second connecting plate 20 is set to connect with acetabular bone 80
Ground connection more consolidates, and alternatively, the shape of the first connecting plate 10 is identical with the shape and size of the tangent plane of pelvis 70, the second connecting plate
20 shape is identical with the shape and size of the tangent plane of acetabular bone 80, serves the effect of guide plate, has both been avoided that the first connecting plate 10
Or extended out in the excessive gap between pelvis 70 and acetabular bone 80 of the second connecting plate 20, meanwhile, it is capable to make the first connecting plate
There is maximum bonding area, so that pelvis 70 and acetabular bone 80 between 10 and the connecting plate 20 of pelvis 70 and second and acetabular bone 80
Between more stablize.
In order that filling plate body structure has preferable structural strength, the first connecting plate 10, the second connecting plate 20 and support
Plate 30 is integrally machined shaping using titanium alloy.Specifically, it can be made using 3D printing technique, three constitutes the plate body of bending
Structure, wherein, supporting plate 30 has certain radian, while preferable structural strength is ensured, reduces titanium alloy material
Use.
First connecting plate 10 has the first composition surface for being used for being connected with the tangent plane of pelvis 70, and the second connecting plate 20, which has, to be used
The second composition surface being connected in the tangent plane with acetabular bone 80, the first composition surface is the lateral surface of the first connecting plate 10, the second composition surface
That is the lateral surface of the second connecting plate 20, angle between the first composition surface and the second composition surface is according to the tangent plane of the acetabular bone 80 cut down
It is determined with the angle of the tangent plane of pelvis 70, when filling plate body structure is filled in the gap between pelvis 70 and acetabular bone 80,
Ensure that the first composition surface is effectively fitted with the tangent plane of pelvis 70, the second composition surface is effectively fitted with the tangent plane of acetabular bone 80.
In addition, being provided with the first network on the first composition surface and the second composition surface, the first network is and people
The consistent class bone trabecula grid of body bone trabecula, thickness, to 3mm, can meet bone trabecula and grow into, reach filling prosthesis structure for 2
Effect steady in a long-term.
As shown in figure 1, the first connecting plate 10 has the first internal face mutually deviated from the first composition surface, the second connecting plate 20
Above with the second internal face mutually deviated from the second composition surface, have and the first internal face and the second internal face phase in supporting plate 30
The 3rd adjacent internal face；First internal face, the second internal face and the 3rd internal face are in the medial surface of filling prosthesis structure, first
Wall and the second internal face are relative.
In order to ensure that the metal of Cranial defect position is covered and while make the weight saving of filling prosthesis structure, alternatively, the
The second network is provided with one internal face, the second internal face and the 3rd internal face, each grid of the second network
Size is more than the size of each network in the first network, by setting the second network to effectively play structure
Loss of weight and be conducive to subsequently filling metal filled into the space between the first internal face, the second internal face and the 3rd internal face
Thing, it is to avoid the complete cavity in the range of filling occurs after mounting in acetabular bone filling prosthesis, it is ensured that acetabular bone filling prosthesis structural integrity
And mechanics carrying.
In order to further enhance the overall construction intensity of filling prosthesis structure, as shown in figure 1, the first internal face, in second
Plate body reinforcement 40 is provided with wall and the 3rd internal face, by setting plate body reinforcement 40 to make filling prosthesis structure
Overall construction intensity effectively strengthen, improve its bending resistance.
In order that filling prosthesis structure firm and stably can be fixed and connected with the tangent plane of pelvis 70 and the tangent plane of acetabular bone 80
Connect, alternatively, as shown in figure 1, be provided with the first connecting plate 10 and the second connecting plate 20 it is multiple put nail 50, put nail 50
On be provided with screw thread, put by the way that screw is located in nail 50 so that the first connecting plate 10 to be fixedly connected with the tangent plane of pelvis 70
Or be fixedly connected with the second connecting plate 20 with the tangent plane of acetabular bone 80.
Structural strength at nail 50 is put in order to strengthen, as shown in figure 1, being all provided with the first internal face and the second internal face
Be equipped with around putting the nail reinforcement 60 of nail 50, nail reinforcement 60 be connected with each other with plate body reinforcement 40 and be integrally formed from
And make to put nail 50 and its structural strength of surrounding is greatly enhanced, it is to avoid cause cracking damage during screw force, more added with
Beneficial to the short-term stability of acetabular bone filling prosthesis described in this patent.
In specific surgical procedure, as shown in figure 3, after pelvis 70 and acetabular bone 80 are sectioned, acetabular bone 80 is with respect to pelvis 70
Rotate a certain angle, so as to increase area coverage of the hip joint to femoral head, after acetabular bone 80 rotates, in acetabular bone 80 and pelvis 70
Otch between form gap, then filling prosthesis structure is inserted in gap make the tangent plane of the first connecting plate 10 and pelvis 70 by
Corresponded to according to boundary dimensions, then by put nail guide plate by the screw of predetermined length from the different azimuth of pelvis 70 respectively along screw hole
90 insert putting in nail 50 on first connecting plate 10；Then, by the tangent plane of the second connecting plate 20 and acetabular bone according to boundary dimensions
Correspond to, then second is respectively implanted from the different azimuth of acetabular bone 80 along screw hole 90 by putting nail guide plate by the screw of predetermined length
The fixation that a filling prosthesis structure is completed in nail 50 is put on connecting plate 20.Finally, in the same manner by others
Filling prosthesis structure is sequentially arranged at completion Ganz osteotomies in the gap between pelvis 70 and acetabular bone 80.
Following technique effect can be reached by carrying out Ganz osteotomies using the filling prosthesis structure of the utility model embodiment：
1st, optimize postoperative mechanotransduction, enhance the medium-term and long-term intensity of postoperative acetabular bone, preferably ensure that the stabilization of acetabular bone
Property；
2nd, class bone trabecula grid promotes acetabular bone part spongiosa Bone Ingrowth prosthese, reaches good postoperative longer period
3rd, filling prosthesis structure serves the effect of guide plate, significantly simplify operation, shortens operating time, reduces
The risk of infection.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (11)
1. a kind of acetabular bone filling prosthesis, it is characterised in that including：Plate body structure is filled, the filling plate body structure has and bone
First connection end of basin (70) connection and the second connection end being connected with the acetabular bone (80) cut down on the pelvis (70), institute
Stating filling plate body structure is used to be filled in the gap between the pelvis (70) and the acetabular bone (80), described in cutting down
Acetabular bone (80) supports and is fixed on the precalculated position of the pelvis (70).
2. acetabular bone filling prosthesis according to claim 1, it is characterised in that the filling plate body structure includes：
First connecting plate (10), is fixedly connected with the tangent plane of the pelvis (70)；
Second connecting plate (20), is fixedly connected with the tangent plane of the acetabular bone (80)；
Supporting plate (30), is arranged between first connecting plate (10) and second connecting plate (20), first connection
The acetabular bone (80) support that plate (10) is connected to cut down by the supporting plate (30) with second connecting plate (20) is simultaneously
It is fixed on the precalculated position of the pelvis (70).
3. acetabular bone filling prosthesis according to claim 2, it is characterised in that first connecting plate (10), described second
Connecting plate (20) and the supporting plate (30) are integrally formed.
4. acetabular bone filling prosthesis according to claim 2, it is characterised in that first connecting plate (10), described second
Connecting plate (20) and the supporting plate (30) constitute the plate body structure of bending.
5. acetabular bone filling prosthesis according to claim 2, it is characterised in that first connecting plate (10) have be used for
First composition surface of the tangent plane connection of the pelvis (70), second connecting plate (20), which has, to be used for and the acetabular bone (80)
The first network is provided with second composition surface of tangent plane connection, first composition surface and second composition surface.
6. acetabular bone filling prosthesis according to claim 5, it is characterised in that first connecting plate (10) have with it is described
Have what is mutually deviated from second composition surface on the first internal face that first composition surface mutually deviates from, second connecting plate (20)
There is threeth inwall adjacent with second internal face with first internal face on second internal face, the supporting plate (30)
Face；
Wherein, first internal face and second internal face are relative, first internal face, second internal face and institute
State and be provided with the second network on the 3rd internal face.
7. acetabular bone filling prosthesis according to claim 6, it is characterised in that first internal face, second inwall
Plate body reinforcement (40) is provided with face and the 3rd internal face.
8. acetabular bone filling prosthesis according to claim 7, it is characterised in that first connecting plate (10) and described second
Multiple put is provided with connecting plate (20) and is provided with ring on nail (50), first internal face and second internal face
Around the nail reinforcement (60) for putting nail (50).
9. acetabular bone filling prosthesis according to claim 8, it is characterised in that the plate body reinforcement (40) and the nail
Reinforcement (60) is connected with each other and is integrally formed.
10. acetabular bone filling prosthesis according to claim 2, it is characterised in that first connecting plate (10) and described
Be provided with two connecting plates (20) it is multiple be used to put nail (50) for what screw was passed through, the screw, which is located in, described puts nail
(50) so that first connecting plate (10) to be fixedly connected with the tangent plane of the pelvis (70) or by second connecting plate in
(20) tangent plane with the acetabular bone (80) is fixedly connected.
11. acetabular bone filling prosthesis according to claim 2, it is characterised in that the shape of first connecting plate (10) with
The shape of pelvis (70) tangent plane matches, the shape of second connecting plate (20) and the shape of the tangent plane of the acetabular bone (80)
Shape matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308852.8U CN206560487U (en) | 2016-11-30 | 2016-11-30 | Acetabular bone filling prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308852.8U CN206560487U (en) | 2016-11-30 | 2016-11-30 | Acetabular bone filling prosthesis |
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| Publication Number | Publication Date |
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| CN206560487U true CN206560487U (en) | 2017-10-17 |
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| CN201621308852.8U Active CN206560487U (en) | 2016-11-30 | 2016-11-30 | Acetabular bone filling prosthesis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580522A (en) * | 2016-11-30 | 2017-04-26 | 北京爱康宜诚医疗器材有限公司 | Acetabulum filling prosthesis |
-
2016
- 2016-11-30 CN CN201621308852.8U patent/CN206560487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580522A (en) * | 2016-11-30 | 2017-04-26 | 北京爱康宜诚医疗器材有限公司 | Acetabulum filling prosthesis |
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