CN106308979B - Acetabular component - Google Patents
Acetabular component Download PDFInfo
- Publication number
- CN106308979B CN106308979B CN201610798961.0A CN201610798961A CN106308979B CN 106308979 B CN106308979 B CN 106308979B CN 201610798961 A CN201610798961 A CN 201610798961A CN 106308979 B CN106308979 B CN 106308979B
- Authority
- CN
- China
- Prior art keywords
- hole
- fastening assembly
- acetabular
- acetabular component
- nut portion
- Prior art date
- 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.)
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Classifications
-
- 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
- A61F2/30721—Accessories
- A61F2/30749—Fixation appliances for connecting prostheses to the body
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30433—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using additional screws, bolts, dowels, rivets or washers e.g. connecting screws
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
- A61F2002/30507—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a threaded locking member, e.g. a locking screw or a set screw
-
- 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
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 component, including acetabular bone cup body, mounting hole is provided on acetabular bone cup body；Fastening assembly, fastening assembly are threaded through in mounting hole；Wherein, fastening assembly is mounted slidably along the hole wall of mounting hole, so that the direction that fastening assembly is stretched out out of mounting hole is adjustably arranged.Acetabular component in the present invention solves the problems, such as that contact of the acetabular component in the prior art with bone is unstable.
Description
Technical field
The present invention relates to prosthetic arts, in particular to a kind of acetabular component.
Background technique
Hip joint is performance when being mankind's walking the joint connected between the thigh of human body and the hipbone of pelvis
The joint of most important functions.Hip joint due to disease and the factors such as wound and it is impaired when, in order to make its recovery from illness, by artificial
Hip replacement surgery removal of lesions removes pain, restores the activity and original function in joint.
Hip prosthesis includes acetabular component and femoral prosthesis, and acetabular component is internally provided with liner, and acetabular component is fixed
In human body hipbone physiology acetabular bone, femoral prosthesis is fixed on human femur under loading upper end by femoral stem.In existing hip prosthesis,
Acetabular component is usually in dome-type, also referred to as acetabular cup.
However, the screw of traditional acetabular cup is fixed for monolock, only screw with send the sealed of matter bone, and sealed angle list
One, the flexibility of doctor's operation cannot be fully met, acetabular cup is not able to maintain stable, static contact with bone sometimes, unfavorable
Increase in sclerotin.
Summary of the invention
The main purpose of the present invention is to provide a kind of acetabular components, to solve acetabular component and bone in the prior art
The unstable problem of contact.
To achieve the goals above, the present invention provides a kind of acetabular component, including acetabular bone cup body, it is arranged on acetabular bone cup body
There is mounting hole；Fastening assembly, fastening assembly are threaded through in mounting hole；Wherein, fastening assembly along mounting hole hole wall slideably
Setting, so that the direction that fastening assembly is stretched out out of mounting hole is adjustably arranged.
Further, fastening assembly includes reversing piece, and reversing piece is mounted in mounting hole, and mounting hole includes spherical hole section,
Reversing piece has spherical mounting surface compatible with spherical hole section.
Further, fastening assembly further includes fastener, and one end of fastener passes through reversing piece and is pierced by out of mounting hole.
Further, fastener includes threaded shank and nut portion, and threaded shank with bone for connecting, nut portion and reversing piece
Connection.
Further, reversing piece has threaded hole, and nut portion has locking screw compatible with threaded hole.
Further, it is provided in nut portion and turns hole, turned hole and the one end of nut portion far from threaded shank is set.
Further, fastener further includes transiting neck, and transiting neck is arranged between threaded shank and nut portion with connecting screw
Portion and nut portion.
Further, threaded shank has far from the one end in nut portion pierces ailhead.
Further, reversing piece is the annular solid with notch, and notch is axially extending along annular solid.
Further, the circlip nail hole being caught in for Circlip tongs is provided on reversing piece.
Further, fastening assembly is multiple, and multiple fastening assemblies are threaded through at intervals on acetabular bone cup body.
By the present invention in that acetabular component includes acetabular bone cup body and fastening assembly, and mounting hole is set on acetabular bone cup body,
It is threaded through fastening assembly in mounting hole, and is mounted slidably fastening assembly along the hole wall of mounting hole, in this way, can compare
The stretching direction for easily adjusting fastening assembly is conducive to the increasing of sclerotin from making acetabular component keep stable contact with bone
It is long.
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 shows the structural schematic diagram of the embodiment of acetabular component according to the present invention；
Fig. 2 shows the cross-sectional views of the acetabular component in Fig. 1；
Fig. 3 shows the bottom view of the acetabular component in Fig. 1；
Fig. 4 shows the structural schematic diagram of the reversing piece of the acetabular component in Fig. 1；And
Fig. 5 shows the structural schematic diagram of the fastener of the acetabular component in Fig. 1.
Wherein, the above drawings include the following reference numerals:
10, acetabular bone cup body；11, universal globe；20, fastening assembly；21, reversing piece；211, notch；212, circlip nail hole；
213, threaded hole；22, fastener；221, threaded shank；222, nut portion；223, locking screw；224, hole is turned；225, transition
Neck；226, ailhead is pierced.
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.
The present invention provides a kind of acetabular components, please refer to Fig. 1 to Fig. 5, which includes: acetabular bone cup body 10, hip
Mounting hole is provided on mortar cup body 10；Fastening assembly 20, fastening assembly 20 are threaded through in mounting hole；Wherein, 20 edge of fastening assembly
The hole wall of mounting hole is mounted slidably, so that the direction that fastening assembly 20 is stretched out out of mounting hole is adjustably arranged.
By the present invention in that acetabular component includes acetabular bone cup body 10 and fastening assembly 20, and peace is set on acetabular bone cup body 10
Hole is filled, is threaded through fastening assembly 20 in mounting hole, and be mounted slidably fastening assembly 20 along the hole wall of mounting hole, this
Sample can more easily adjust the stretching direction of fastening assembly 20, from making acetabular component keep stable contact with bone, have
Conducive to the growth of sclerotin.
In the present embodiment, as shown in Figure 1 to Figure 3, acetabular component is mainly made of acetabular bone cup body 10 and fastening assembly 20,
The adjustable acetabular component in 20 direction of fastening assembly, compared to traditional acetabular cup, 20 direction of fastening assembly can be certain
It is adjusted in angle, makes doctor during operation and can choose cancellous bone preferably local, and reduce fastening assembly 20 to liner
Stress, so that fastening assembly 20 is acted on acetabular bone cup body 10, disperse power more, reduce the concentration of power.
Specifically, as shown in figure 4, fastening assembly 20 includes: reversing piece 21, reversing piece 21 is mounted in mounting hole, installation
Hole includes spherical hole section, and reversing piece 21 has spherical mounting surface compatible with spherical hole section.In use, reversing piece 21 and acetabular bone
Cup body 10 is integral, and can be freely rotated.As shown in Fig. 2, the hole wall of the mounting hole of acetabular bone cup body 10 has universal globe 11,
It is connect by the universal globe 11 with the outer peripheral surface of reversing piece 21.
Preferably, in order to guarantee to be more firmly mounted, fastening assembly 20 further include: fastener 22, one end of fastener 22
It is pierced by across reversing piece 21 and out of mounting hole.
In use, to meet requirement, as shown in figure 5, fastener 22 includes threaded shank 221 and nut portion
222, for connecting with bone, nut portion 222 is connect threaded shank 221 with reversing piece 21.
In order to realize the connection between reversing piece 21 and nut portion 222, reversing piece 21 has threaded hole 213, nut portion 222
With locking screw 223 compatible with threaded hole.Both by being threadedly coupled reversing piece 21 with nut portion 222, can make
Between connection it is more stable.Preferably, which includes taper fit screw thread.
In addition, turning hole 224 as shown in figure 5, being provided in nut portion 222, it is remote in nut portion 222 to turn the setting of hole 224
One end from threaded shank 221.Preferably, it is Hexagon hole that this, which turns hole 224,.By be arranged this turn hole 224 can relatively side
Just it is screwed into the fastener 22 during operation, and then more easily realizes the installation of fastener 22.
In order to realize the connection between threaded shank 221 and nut portion 222, and guarantee the activity installation of fastener 22, such as Fig. 5
Shown, fastener 22 further includes transiting neck 225, and transiting neck 225 is arranged between threaded shank 221 and nut portion 222 to connect spiral shell
Bar portion 221 and nut portion 222.
Since threaded shank 221 is for being screwed into cancellous bone, then, threaded shank 221 has far from the one end in nut portion 222 to be pierced
Ailhead 226.Ailhead 226 is pierced by setting, relatively labor-saving ground threaded shank 221 can be screwed into cancellous bone.
For the ease of the installation of reversing piece 21, reversing piece 21 is the annular solid with notch 211, and notch 211 is along annular solid
It is axially extending.In this way, reversing piece 21 just has opening, and then the elasticity of reversing piece 21 can be increased, reversing piece 21 is made to be easy to put
Enter in acetabular cup.
In the present embodiment, the circlip nail hole 212 being caught in for Circlip tongs is provided on reversing piece 21.By the way that circlip is arranged
Nail hole 212 can be used for reversing piece 21 when being put into acetabular bone cup body 10, be clamped with Circlip tongs, and twist for threaded shank 221 in art
It is fashionable, it is caught in using Circlip tongs in order to fix the reversing piece 21.
In order to guarantee fixed effect, fastening assembly 20 be it is multiple, multiple fastening assemblies 20 are threaded through acetabular cup at intervals
On body 10.
When being performed the operation, after patient's bone is carried out respective handling, according to acetabular bone sclerotin situation combination acetabular bone cup body
Acetabular bone cup body is placed at acetabular bone by the position of nail hole, and multi-directional ball is adjusted to suitable angle with sleeve according to sclerotin quality, is made
Multi-directional ball is fixed with special Circlip tongs, is screwed into cancellous bone double-locking screw with die nut.
According to the method described above, cancellous bone double-locking screw is respectively charged into other several each threaded holes.
The successful fixation of porous implant still needs the implantation material and keeps stable, static contact in favor of it with bone
Healing and new bone growth.For this purpose, this novel acetabular cup also uses variable angle lock screw to play the role of reinforcing.This
Kind complete opening cup gives the sufficient flexibility of surgeons in a manner of totally impossible before.Lock-screw therein, ten thousand
It is screwed into test, Speical screwdriver and screw hole shape to ball to be all optimized specifically for being difficult to processing region, and can
It is separated in revisional operation.
The direction of the screw of acetabular cup in the present invention is adjustable, and compared to traditional acetabular cup, screw orientation can be
It is adjusted in certain angle, makes doctor during operation and can choose cancellous bone preferably local, and reduce screw to liner
Stress makes screw act on acetabular cup, disperses power more, reduces the concentration of power.Screw and acetabular cup are deposited in the form locked
Stronger.
When in use, multi-directional ball and acetabular cup are integral, and can have rotation by oneself；First multi-directional ball is transferred to properly by sleeve
Position, screw is locked after allowing, when locking, is fixed multi-directional ball by Special screw driver by drill bit punching, final to lock.
Main advantage of the invention is: 1, cancellous bone double-locking screw can make doctor exist according to sclerotin adjustment direction
It is more flexible when operation, and preferable pressurization can be played；2, acetabular cup and bone keep stablizing, static contact in favor of
It heals and new bone growth.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
By the present invention in that acetabular component includes acetabular bone cup body and fastening assembly, and mounting hole is set on acetabular bone cup body,
It is threaded through fastening assembly in mounting hole, and is mounted slidably fastening assembly along the hole wall of mounting hole, in this way, can compare
The stretching direction for easily adjusting fastening assembly is conducive to the increasing of sclerotin from making acetabular component keep stable contact with bone
It is long.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of acetabular component characterized by comprising
Acetabular bone cup body (10) is provided with mounting hole on the acetabular bone cup body (10)；
Fastening assembly (20), the fastening assembly (20) wear in the mounting hole；
Wherein, the fastening assembly (20) is mounted slidably along the hole wall of the mounting hole, so that the fastening assembly (20)
The direction stretched out out of described mounting hole is adjustably arranged；
Wherein, the fastening assembly (20) includes:
Reversing piece (21), in the mounting hole, the mounting hole includes spherical hole section, described to change for reversing piece (21) installation
There is spherical mounting surface compatible with the spherical shape hole section to part (21)；It is provided on the reversing piece (21) for Circlip tongs
The circlip nail hole (212) being caught in；
The mounting hole includes the first hole section, the second hole section and third hole section, and second hole section and the third hole section are distinguished
The two sides of first hole section are set, wherein along the direction far from first hole section, the aperture of second hole section is gradually
Increase；Along the direction far from first hole section, the aperture of the third hole section is gradually increased.
2. acetabular component according to claim 1, which is characterized in that the fastening assembly (20) further include:
Fastener (22), one end of the fastener (22) pass through the reversing piece (21) and are pierced by out of described mounting hole.
3. acetabular component according to claim 2, which is characterized in that the fastener (22) include threaded shank (221) and
Nut portion (222), the threaded shank (221) with bone for connecting, and the nut portion (222) and the reversing piece (21) are even
It connects.
4. acetabular component according to claim 3, which is characterized in that the reversing piece (21) has threaded hole (213), institute
Nut portion (222) are stated with locking screw (223) compatible with the threaded hole.
5. acetabular component according to claim 3, which is characterized in that be provided on the nut portion (222) and turn hole
(224), described to turn hole (224) setting in the one end of the nut portion (222) far from the threaded shank (221).
6. acetabular component according to claim 3, which is characterized in that the fastener (22) further includes transiting neck (225),
The transiting neck (225) is arranged between the threaded shank (221) and the nut portion (222) to connect the threaded shank
(221) and the nut portion (222).
7. acetabular component according to claim 3, which is characterized in that the threaded shank (221) is far from the nut portion
(222) one end, which has, pierces ailhead (226).
8. acetabular component according to claim 1, which is characterized in that the reversing piece (21) is with notch (211)
Annular solid, the notch (211) are axially extending along the annular solid.
9. acetabular component according to claim 1, which is characterized in that the fastening assembly (20) be it is multiple, it is multiple described
Fastening assembly (20) is threaded through at intervals on the acetabular bone cup body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798961.0A CN106308979B (en) | 2016-08-31 | 2016-08-31 | Acetabular component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798961.0A CN106308979B (en) | 2016-08-31 | 2016-08-31 | Acetabular component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106308979A CN106308979A (en) | 2017-01-11 |
| CN106308979B true CN106308979B (en) | 2019-06-04 |
Family
ID=57786444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610798961.0A Active CN106308979B (en) | 2016-08-31 | 2016-08-31 | Acetabular component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106308979B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106963520B (en) * | 2017-04-13 | 2020-03-17 | 安徽省立医院 | Acetabulum outer cup |
| CN106983584A (en) * | 2017-04-24 | 2017-07-28 | 北京爱康宜诚医疗器材有限公司 | Acetabular cup |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2815291Y (en) * | 2005-08-31 | 2006-09-13 | 陈�光 | Universal self-locking internal-fixing stent |
| CN103906482A (en) * | 2011-08-13 | 2014-07-02 | Hip创新科技有限责任公司 | Interlocking acetabular fixation screws and their combination with a reverse hip acetabular cup |
| CN204767001U (en) * | 2015-05-13 | 2015-11-18 | 上海国颂医疗科技有限公司 | Heart extension fixture |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429716A (en) * | 2011-12-19 | 2012-05-02 | 北京爱康宜诚医疗器材股份有限公司 | Integrated-type internal set screw for vertebral column |
| CN203001098U (en) * | 2012-07-10 | 2013-06-19 | 北京爱康宜诚医疗器材股份有限公司 | Anterior cervical steel plate screw dislocating proofing and variable-angle fixing ring |
| CN202960733U (en) * | 2012-11-28 | 2013-06-05 | 天津正天医疗器械有限公司 | Universal pressurized locking screw structure |
| CN204814131U (en) * | 2015-04-16 | 2015-12-02 | 闻泰医疗科技（上海）有限公司 | Universal locking system of skeleton internal fixation |
-
2016
- 2016-08-31 CN CN201610798961.0A patent/CN106308979B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2815291Y (en) * | 2005-08-31 | 2006-09-13 | 陈�光 | Universal self-locking internal-fixing stent |
| CN103906482A (en) * | 2011-08-13 | 2014-07-02 | Hip创新科技有限责任公司 | Interlocking acetabular fixation screws and their combination with a reverse hip acetabular cup |
| CN204767001U (en) * | 2015-05-13 | 2015-11-18 | 上海国颂医疗科技有限公司 | Heart extension fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106308979A (en) | 2017-01-11 |
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