CN106580522B - Acetabular bone filling prosthesis - Google Patents
Acetabular bone filling prosthesis Download PDFInfo
- Publication number
- CN106580522B CN106580522B CN201611090016.1A CN201611090016A CN106580522B CN 106580522 B CN106580522 B CN 106580522B CN 201611090016 A CN201611090016 A CN 201611090016A CN 106580522 B CN106580522 B CN 106580522B
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- Prior art keywords
- connecting plate
- acetabular bone
- wall
- pelvis
- plate
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/3401—Acetabular cups with radial apertures, e.g. radial bores for receiving fixation screws
- A61F2002/3403—Polar aperture
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/348—Additional features
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention provides a kind of acetabular bone filling prosthesis, using the acetabular bone filling prosthesis of technical solution of the present invention, it include: filling plate body structure, filling plate body structure has the first connecting pin connecting with pelvis and the second connection end connecting with by the acetabular bone cut down on pelvis, the acetabular bone cut down is supported for being filled in the gap between pelvis and acetabular bone and is fixed on the predetermined position of pelvis by filling plate body structure.The gap between the acetabular bone cut down and pelvis can be filled and be supported when carrying out bone-culting operation, it solves and carries out being not filled with when bone-culting operation or filling using autologous bone in the prior art, the problem of stress conducting effect is bad, influences stable initial stage and early loading.
Description
Technical field
The present invention relates to area of medical devices, in particular to a kind of acetabular bone filling prosthesis.
Background technique
Ganz osteotomy is the Periacetabular osteotomy started by the Ganz doctor of Bern, SUI hospital nineteen eighty-three.Ganz
Osteotomy changes the direction of acetabular bone covering, increases hip joint to the area coverage of femoral head, so that young acetabular development
Undesirable patient delays even significantly from prosthetic replacement.
To guarantee acetabular bone center, it can only rotate and cannot be moved according to sclerotin situation around acetabular bone center after acetabular bone osteotomy
Dynamic, this is resulted in above acetabular bone and rear side forms bone defect, and the two positions are exactly the position of mechanics carrying, and conventional method is not
Filling is filled using autologous bone, and stress conducting effect is bad, influences initial stage stabilization and early loading；If bone grafting occurs to inhale
It receives, it will it influences long-term acetabular bone and stablizes, and bone grafting size and shape require to be determined in art according to doctors experience, operating time
Extend.
Summary of the invention
The main purpose of the present invention is to provide a kind of acetabular bone filling prosthesis, to solve to carry out bone-culting operation in the prior art
When be not filled with or filled using autologous bone, stress conducting effect is bad, the problem of influencing initial stage stable and early loading.
To achieve the goals above, content according to the present invention provides a kind of acetabular bone filling prosthesis, comprising: filling plate
Body structure, filling plate body structure there is the first connecting pin for connecting with pelvis and connect with by the acetabular bone cut down on pelvis the
The acetabular bone cut down is supported and is consolidated for being filled in the gap between pelvis and acetabular bone by two connecting pins, filling plate body structure
It is scheduled on the predetermined position of pelvis.
Further, filling plate body structure includes: the first connecting plate, is fixedly connected with the section of pelvis；Second connecting plate,
It is fixedly connected with the section of acetabular bone；Support plate is arranged between the first connecting plate and the second connecting plate, and the first connecting plate passes through branch
Fagging is connect to support the acetabular bone cut down and be fixed on the predetermined position of pelvis with the second connecting plate.
Further, the first connecting plate, the second connecting plate and support plate are integrally formed.
Further, the first connecting plate, the second connecting plate and support plate constitute the plate body structure of bending.
Further, the first connecting plate has the first joint surface connecting for the section with pelvis, the second connecting plate tool
There is the second joint surface connecting for the section with acetabular bone, the first grid knot is provided on the first joint surface and the second joint surface
Structure.
Further, the first connecting plate has the first inner wall being away from each other with the first joint surface, has on the second connecting plate
There is the second inner wall being away from each other with the second joint surface, with adjacent with the first inner wall and the second inner wall the in support plate
Three inner walls；Wherein, the first inner wall and the second inner wall are opposite, on the first inner wall, the second inner wall and third inner wall
It is provided with the second network.
Further, plate body reinforcing rib is provided on the first inner wall, the second inner wall and third inner wall.
Further, it is provided on the first connecting plate and the second connecting plate and multiple sets nail hole, the first inner wall and second
It is provided on inner wall around the nail hole reinforcing rib for setting nail hole.
Further, plate body reinforcing rib and nail hole reinforcing rib are connected with each other and are integrally formed.
Further, be provided on the first connecting plate and the second connecting plate it is multiple for setting nail hole for what screw passed through,
Screw, which is threaded through, to be set in nail hole the first connecting plate to be fixedly connected with the section of pelvis or by the second connecting plate and acetabular bone
Section is fixedly connected.
Further, the shape of the first connecting plate and the shape of pelvis section match, the shape and hip of the second connecting plate
The shape of the section of mortar matches.
Using the acetabular bone filling prosthesis of technical solution of the present invention, comprising: filling plate body structure, filling plate body structure have with
First connecting pin of pelvis connection and the second connection end connecting with by the acetabular bone cut down on pelvis, filling plate body structure are used for
It is filled in the gap between pelvis and acetabular bone, the acetabular bone cut down is supported and is fixed on the predetermined position of pelvis.Carry out
The gap between the acetabular bone cut down and pelvis can be filled and be supported when osteotomy, solved and cut in the prior art
The problem of being not filled with when bone art or using autologous bone filling, stress conducting effect be bad, influencing stable initial stage and early loading.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is optional a kind of structural schematic diagram of acetabular bone filling prosthesis according to embodiments of the present invention；
Fig. 2 is mounting structure of the optionally a kind of acetabular bone filling prosthesis according to embodiments of the present invention between pelvis and acetabular bone
Schematic diagram；And
Fig. 3 is the structural schematic diagram in the gap unlocked between midpelvis according to embodiments of the present invention and acetabular bone.
Wherein, the above drawings include the following reference numerals:
10, the first connecting plate；20, the second connecting plate；30, support plate；40, plate body reinforcing rib；50, nail hole is set；60, nail hole
Reinforcing rib；70, pelvis；80, acetabular bone；90, screw hole.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Acetabular bone filling prosthesis according to an embodiment of the present invention, as depicted in figs. 1 and 2, comprising: filling plate body structure, filling
The second company that plate body structure has the first connecting pin connecting with pelvis 70 and connect with by the acetabular bone 80 cut down on pelvis 70
End is connect, filling plate body structure is for being filled in the gap between pelvis 70 and acetabular bone 80, simultaneously by the acetabular bone 80 cut down support
It is fixed on the predetermined position of pelvis 70.
Using a kind of acetabular bone filling prosthesis of technical solution of the present invention, comprising: filling plate body structure, filling plate body structure tool
The second connection end for having the first connecting pin connecting with pelvis 70 and connecting with by the acetabular bone 80 cut down on pelvis 70 fills plate
The acetabular bone 80 cut down is supported for being filled in the gap between pelvis 70 and acetabular bone 80 and is fixed on pelvis 70 by body structure
Predetermined position.The gap between the acetabular bone 80 cut down and pelvis 70 can be filled and be supported when carrying out osteotomy,
It solves and carries out being not filled with when osteotomy or filling using autologous bone in the prior art, stress conducting effect is bad, influences just
The problem of phase stabilization and early loading.
When it is implemented, as depicted in figs. 1 and 2, filling plate body structure includes: the first connecting plate 10, the second connecting plate 20
With support plate 30, the first connecting plate 10 is fixedly connected with the section of pelvis 70；The section of second connecting plate 20 and acetabular bone 80 is fixed
Connection；Support plate 30 be arranged between the first connecting plate 10 and the second connecting plate 20, the first connecting plate 10 by support plate 30 with
The connection of second connecting plate 20 by the acetabular bone cut down 80 to support and be fixed on the predetermined position of pelvis 70.
It is more consolidated to make the first connecting plate 10 connect ground with pelvis 70, and connects the second connecting plate 20 with acetabular bone 80
Ground connection is more firm, and optionally, the shape of the first connecting plate 10 is identical as the shape and size of 70 section of pelvis, the second connecting plate
20 shape is identical as the shape and size of the section of acetabular bone 80, plays the role of guide plate, has both been avoided that the first connecting plate 10
Or extend 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, to make pelvis 70 and acetabular bone 80 between 10 and pelvis 70 and the second connecting plate 20 and acetabular bone 80
Between it is more stable.
There is preferable structural strength, the first connecting plate 10, the second connecting plate 20 and support in order to make to fill plate body structure
Plate 30 is integrally machined molding using titanium alloy.Specifically, 3D printing technique can be used to be made, three constitutes the plate body of bending
Structure, wherein there is support plate 30 certain radian to reduce titanium alloy material while guaranteeing preferable structural strength
It uses.
First connecting plate 10 has the first joint surface for connecting with the section of pelvis 70, and the second connecting plate 20, which has, to be used
In the second joint surface being connect with the section of acetabular bone 80, the first joint surface i.e. lateral surface of the first connecting plate 10, the second joint surface
That is the lateral surface of the second connecting plate 20, angle between the first joint surface and the second joint surface is according to the section of the acetabular bone 80 cut down
It is determined with the angle of the section of pelvis 70, when filling plate body structure is filled in the gap between pelvis 70 and acetabular bone 80,
Guarantee that the first joint surface is effectively bonded with the section of pelvis 70, the second joint surface is effectively bonded with the section of acetabular bone 80.
In addition, be provided with the first network on the first joint surface and the second joint surface, the first network is and people
The consistent class bone trabecula grid of body bone trabecula can satisfy bone trabecula and grow into a thickness of 2 to 3mm, reach filling prosthesis structure
Effect steady in a long-term.
As shown in Figure 1, the first connecting plate 10 has the first inner wall being away from each other with the first joint surface, the second connecting plate 20
It is upper with the second inner wall being away from each other with the second joint surface, have in support plate 30 and the first inner wall and the second inner wall phase
Adjacent third inner wall；First inner wall, the second inner wall and third inner wall, that is, filling prosthesis structure medial surface, in first
Wall surface and the second inner wall are opposite.
In order to guarantee the metal covering of bone defect position and make the weight saving of filling prosthesis structure, optionally, simultaneously
The second network is provided on one inner wall, the second inner wall and third inner wall, each grid of the second network
Size is greater than the size of each network in the first network, can effectively play structure by the way that the second network is arranged
Loss of weight and be conducive in the subsequent gap between the first inner wall, the second inner wall and third inner wall fill metal filling
Object avoids acetabular bone filling prosthesis from occurring filling the complete cavity in range after mounting, guarantees acetabular bone filling prosthesis structural integrity
And mechanics carrying.
In order to further enhance the overall structural strength of filling prosthesis structure, as shown in Figure 1, the first inner wall, in second
It is provided with plate body reinforcing rib 40 on wall surface and third inner wall, filling prosthesis structure can be made by the way that plate body reinforcing rib 40 is arranged
Overall structural strength effectively enhance, improve its bending resistance.
Connect to keep filling prosthesis structure firm and steadily fixed with the section of pelvis 70 and the section of acetabular bone 80
Connect, optionally, as shown in Figure 1, be provided on the first connecting plate 10 and the second connecting plate 20 it is multiple set nail hole 50, set nail hole 50
On be provided with screw thread, set in nail hole 50 by the way that screw to be threaded through the first connecting plate 10 to be fixedly connected with the section of pelvis 70
Or the second connecting plate 20 is fixedly connected with the section of acetabular bone 80.
In order to enhance the structural strength set at nail hole 50, as shown in Figure 1, being all provided on the first inner wall and the second inner wall
Be equipped with around setting the nail hole reinforcing rib 60 of nail hole 50, nail hole reinforcing rib 60 and plate body reinforcing rib 40 be connected with each other and be integrally formed from
And make to set nail hole 50 and surrounding structural strength greatly enhances, avoid causing cracking damage during screw force, more added with
Conducive to the short-term stability of acetabular bone filling prosthesis described in this patent.
In specific surgical procedure, as shown in figure 3, acetabular bone 80 is with respect to pelvis 70 after sectioning pelvis 70 and acetabular bone 80
It rotates a certain angle, to increase hip joint to the area coverage of femoral head, after acetabular bone 80 rotates, in acetabular bone 80 and pelvis 70
Notch between form gap, then will filling prosthesis structure be placed in gap in make the section of the first connecting plate 10 and pelvis 70 by
Corresponded to according to boundary dimensions, then by set nail guide plate by the screw of predetermined length from the different direction of pelvis 70 respectively along screw hole
Setting in nail hole 50 on 90 the first connecting plates 10 of merging；Then, by the section of the second connecting plate 20 and acetabular bone according to boundary dimensions
It corresponds to, then the screw of predetermined length is respectively implanted second along screw hole 90 from the different direction of acetabular bone 80 by setting nail guide plate
The fixation that a filling prosthesis structure is completed in nail hole 50 is set on connecting plate 20.Finally, in the same manner will be other
Filling prosthesis structure is sequentially arranged at completion Ganz osteotomy in the gap between pelvis 70 and acetabular bone 80.
Following technical effect can be reached by carrying out Ganz osteotomy using the filling prosthesis structure of the embodiment of the present invention:
1, optimize postoperative mechanotransduction, enhance the medium-term and long-term intensity of postoperative acetabular bone, preferably ensure that the stabilization of acetabular bone
Property；
2, class bone trabecula grid promotes acetabular bone part spongiosa Bone Ingrowth prosthese, reaches good postoperative longer period
3, filling prosthesis structure plays the role of guide plate, significantly simplifies operation, shortens operating time, reduces
The risk of infection.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of acetabular bone filling prosthesis characterized by comprising filling plate body structure, the filling plate body structure has and bone
First connecting pin of basin (70) connection and the second connection end being connect with by the acetabular bone (80) cut down on the pelvis (70), institute
Filling plate body structure is stated for being filled in the gap between the pelvis (70) and the acetabular bone (80), will cut down described in
Acetabular bone (80) supports and is fixed on the predetermined position of the pelvis (70)；
The filling plate body structure includes:
First connecting plate (10) is fixedly connected with the section of the pelvis (70)；
Second connecting plate (20) is fixedly connected with the section of the acetabular bone (80)；
Support plate (30) is arranged between first connecting plate (10) and second connecting plate (20), first connection
Plate (10) is connect by the support plate (30) with second connecting plate (20) to be supported simultaneously with the acetabular bone (80) that will be cut down
It is fixed on the predetermined position of the pelvis (70)；
First connecting plate (10) has the first joint surface for connecting with the section of the pelvis (70), and described second connects
Fishplate bar (20) has the second joint surface for connecting with the section of the acetabular bone (80), first joint surface and described second
The first network is provided on joint surface；
First connecting plate (10) has the first inner wall being away from each other with first joint surface, second connecting plate
(20) there is the second inner wall for being away from each other with second joint surface on, have on the support plate (30) with described first in
Wall surface and the adjacent third inner wall of second inner wall；
Wherein, first inner wall and second inner wall are opposite, first inner wall, second inner wall and institute
It states and is provided with the second network on third inner wall；
First connecting plate (10), second connecting plate (20) and the support plate (30) are integrally formed.
2. acetabular bone filling prosthesis according to claim 1, which is characterized in that first connecting plate (10), described second
Connecting plate (20) and the support plate (30) constitute the plate body structure of bending.
3. acetabular bone filling prosthesis according to claim 1, which is characterized in that first inner wall, second inner wall
Plate body reinforcing rib (40) are provided on face and the third inner wall.
4. acetabular bone filling prosthesis according to claim 3, which is characterized in that first connecting plate (10) and described second
Be provided on connecting plate (20) it is multiple set nail hole (50), be provided with ring on first inner wall and second inner wall
Around the nail hole reinforcing rib (60) for setting nail hole (50).
5. acetabular bone filling prosthesis according to claim 4, which is characterized in that the plate body reinforcing rib (40) and the nail hole
Reinforcing rib (60) is connected with each other and is integrally formed.
6. acetabular bone filling prosthesis according to claim 1, which is characterized in that first connecting plate (10) and described second
It is provided with multiple for being set nail hole (50) for what screw passed through on connecting plate (20), the screw, which is threaded through, described sets nail hole
(50) first connecting plate (10) to be fixedly connected with the section of the pelvis (70) or by second connecting plate in
(20) it is fixedly connected with the section of the acetabular bone (80).
7. acetabular bone filling prosthesis according to claim 1, which is characterized in that the shape of first connecting plate (10) and institute
The shape for stating pelvis (70) section matches, the shape of the section of the shape and acetabular bone (80) of second connecting plate (20)
Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611090016.1A CN106580522B (en) | 2016-11-30 | 2016-11-30 | Acetabular bone filling prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611090016.1A CN106580522B (en) | 2016-11-30 | 2016-11-30 | Acetabular bone filling prosthesis |
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| Publication Number | Publication Date |
|---|---|
| CN106580522A CN106580522A (en) | 2017-04-26 |
| CN106580522B true CN106580522B (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611090016.1A Active CN106580522B (en) | 2016-11-30 | 2016-11-30 | Acetabular bone filling prosthesis |
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| CN (1) | CN106580522B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108904104A (en) * | 2018-07-17 | 2018-11-30 | 河南医工智能科技有限公司 | It is a kind of based on 3D printing personalization acetabular bone and bone inner support prosthese and the surgical guide being used cooperatively with supporting prostheses and preparation method |
| CN112245074B (en) * | 2020-09-10 | 2023-09-22 | 上海交通大学医学院附属第九人民医院 | Jaw bone grafting guide board that takes one's place |
| IT202100009176A1 (en) * | 2021-04-13 | 2022-10-13 | Adler Ortho S P A | CUP WITH DIFFERENT FLEXIBILITY. |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710577Y (en) * | 2004-07-29 | 2005-07-20 | 徐万鹏 | Artificial pelvis |
| CN105326583A (en) * | 2015-12-01 | 2016-02-17 | 北京大学人民医院 | Ilium defect reconstructive prosthesis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206560487U (en) * | 2016-11-30 | 2017-10-17 | 北京爱康宜诚医疗器材有限公司 | Acetabular bone filling prosthesis |
-
2016
- 2016-11-30 CN CN201611090016.1A patent/CN106580522B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710577Y (en) * | 2004-07-29 | 2005-07-20 | 徐万鹏 | Artificial pelvis |
| CN105326583A (en) * | 2015-12-01 | 2016-02-17 | 北京大学人民医院 | Ilium defect reconstructive prosthesis |
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| CN106580522A (en) | 2017-04-26 |
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