CN106983585B - Centrum prosthese - Google Patents
Centrum prosthese Download PDFInfo
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- CN106983585B CN106983585B CN201710295125.5A CN201710295125A CN106983585B CN 106983585 B CN106983585 B CN 106983585B CN 201710295125 A CN201710295125 A CN 201710295125A CN 106983585 B CN106983585 B CN 106983585B
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- Prior art keywords
- centrum
- movable plate
- main body
- prosthese
- connecting shaft
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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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
-
- 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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
-
- 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
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Cardiology (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 centrum prostheses, comprising: centrum main body；Centrum movable plate, centrum movable plate are swingably arranged on the end face of centrum main body around horizontal axis；Wherein, sagittal plane of the horizontal axis perpendicular to centrum prosthese.Centrum prosthese of the invention solves the problems, such as that fused centrum prosthese in the prior art reduces physical activity and spends.
Description
Technical field
The present invention relates to artificial prosthesis fields, in particular to a kind of centrum prosthese.
Background technique
Currently, existing artificial vertebral body is substantially integrated product in the market, it is most of in the form of vertebral fusion
To treat the illnesss such as patient's Vertebral body or slippage.
After centrum implements to merge, fused pyramidal portion cannot carry out activity physiologically, human body sagittal plane
Movement relies only on the physiology centrum of artificial vertebral body above or below, reduces the mobility of human body, and have foreign body sensation,
The normal mechanotransduction of human upper limb is changed, the prosthese service life is reduced.
Summary of the invention
The main purpose of the present invention is to provide a kind of centrum prostheses, false to solve fused centrum in the prior art
Body reduces the problem of physical activity is spent.
To achieve the goals above, the present invention provides a kind of centrum prostheses, comprising: centrum main body；Centrum movable plate, vertebra
Body movable plate is swingably arranged on the end face of centrum main body around horizontal axis；Wherein, horizontal axis is perpendicular to centrum prosthese
Sagittal plane.
Further, there is the free gap for swinging for centrum movable plate between centrum movable plate and centrum main body.
Further, centrum main body has the first section close to the end face of centrum movable plate one end, and centrum movable plate is close
Free gap is formed between the end face and the first section of centrum main body one end.
Further, centrum prosthese further include: connection component, connection component setting centrum movable plate and centrum main body it
Between, to connect centrum movable plate and centrum main body.
Further, connection component includes: connecting shaft, and the first shaft part of connecting shaft is connect with centrum main body, connecting shaft
Second shaft part is connect with centrum movable plate, so that centrum movable plate is swingably arranged in centrum main body by connecting shaft.
Further, there is the first connecting column, centrum movable plate has second to connect in centrum main body in centrum main body
Connect column；Wherein, the first shaft part of connecting shaft is threaded through in the first connecting column, and the second shaft part of connecting shaft is threaded through the second connecting column
It is interior.
Further, the second shaft part of connecting shaft is thread segment, and the second connecting column has screw thread compatible with thread segment
Hole, so that connecting shaft is threadedly coupled with the second connecting column.
Further, connection component further include: bearing, bearing are set in connecting shaft, and connecting shaft can be rotated by bearing
Ground is arranged in the first connecting column.
Further, there is connecting hole in centrum main body, be provided with connection compatible with connecting hole on centrum movable plate
Portion, interconnecting piece are plugged in connecting hole.
Further, centrum prosthese further include: elastic component, elastic component are arranged in connecting hole and abut with interconnecting piece.
Further, centrum prosthese further include: filling plate, filling plate are arranged in free gap；Wherein, filling plate is by can
Absorbing material is made.
Further, centrum movable plate is two, and two centrum movable plates are separately positioned on corresponding one end of centrum main body.
Centrum prosthese of the invention realizes melting for centrum prosthese and physiology centrum by centrum main body and centrum movable plate
It closes, fused centrum prosthetic part can be carried out activity physiologically.Centrum prosthese it is specifically used during, as centrum master
After body and centrum movable plate and physiology vertebral fusion, it is contemplated that the end face of centrum main body is swingably arranged in centrum movable plate
On, so centrum movable plate still can be around scheduled horizontal axis in centrum main body after centrum prosthese and physiology vertebral fusion
End face on it is swingable, to solve the problems, such as that fused centrum prosthese in the prior art reduces physical activity and spends,
In view of centrum prosthese of the invention does not change the mechanotransduction route of human upper limb, to be not likely to produce the loosening or cunning of prosthese
It is de-, improve the prosthese service life.
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 decomposition texture schematic diagram of the embodiment of centrum prosthese according to the present invention；
Fig. 2 shows the structural schematic diagrams of the embodiment of centrum prosthese according to the present invention；And
Fig. 3 shows the partial structurtes decomposition diagram of centrum prosthese according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, centrum main body；11, the first arc-shaped concave；12, the first section；13, the first connecting column；14, connecting hole；20, vertebra
Body movable plate；21, the second connecting column；22, interconnecting piece；30, free gap；40, plate is filled；50, connection component；51, connecting shaft；
52, bearing；53, thread plug；60, elastic component；70, fixation 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.
The present invention provides a kind of centrum prostheses, please refer to Fig. 1 to Fig. 3, and centrum prosthese includes: centrum main body 10；Centrum
Movable plate 20, centrum movable plate 20 are swingably arranged on the end face of centrum main body 10 around horizontal axis；Wherein, horizontal axis
Perpendicular to the sagittal plane of centrum prosthese.
Centrum prosthese of the invention realizes centrum prosthese and physiology centrum by centrum main body 10 and centrum movable plate 20
Fusion, fused centrum prosthetic part can be carried out activity physiologically.Centrum prosthese it is specifically used during, work as vertebra
After phosphor bodies 10 and centrum movable plate 20 and physiology vertebral fusion, it is contemplated that centrum is swingably arranged in centrum movable plate 20
On the end face of main body 10, so centrum movable plate 20 still can be around scheduled level after centrum prosthese and physiology vertebral fusion
Axis is swingable on the end face of centrum main body 10, so that solving fused centrum prosthese in the prior art reduces people
The problem of body mobility, it is contemplated that centrum prosthese of the invention does not change the mechanotransduction route of human upper limb, to be not easy to produce
The loosening or slippage of raw prosthese, improve the prosthese service life.
In the present embodiment, it in order to enable the fine motion in sagittal plane of centrum prosthese, bends or swings back to adapt to patient
Activity, sagittal plane of the horizontal axis perpendicular to centrum prosthese.
In the present embodiment, by making horizontal axis perpendicular to the sagittal plane of centrum prosthese, it is ensured that centrum prosthese energy
The fine motion in sagittal plane, to adapt to the activity that patient bends or swings back.Wherein, after the sagittal plane of centrum prosthese is to be implanted into human body
Human body be reference, along the longitudinal direction by centrum prosthese it is longitudinal sectional be the two-part section in left and right, regardless of equity, as long as
It is left and right two parts is exactly sagittal plane, and the face of left and right equity is referred to as median sagittal plane.
Swingably it is arranged on the end face of centrum main body 10 in order to guarantee centrum movable plate 20 around horizontal axis, such as
There is the free gap 30 for swinging for centrum movable plate 20 described in Fig. 2, between centrum movable plate 20 and centrum main body 10.It is logical
It crosses and is provided with free gap 30 between centrum movable plate 20 and centrum main body 10, thereby may be ensured that centrum movable plate 20 around water
Flat axis is swingably arranged in free gap 30.
In order to form the work for swinging for centrum movable plate 20 between centrum movable plate 20 and centrum main body 10
Dynamic gap 30, as shown in Figure 1, centrum main body 10 has the first section 12 close to the end face of 20 one end of centrum movable plate, centrum is living
Movable plate 20 forms free gap 30 between the end face and the first section 12 of 10 one end of centrum main body.
In the present embodiment, centrum main body 10 has the first section 12 close to the end face of 20 one end of centrum movable plate, considers
To the horizontal axis of the first section 12 inclination and centrum main body 10, thus in centrum movable plate 20 close to the end face of 10 one end of centrum main body
And first form free gap 30 between section 12, guarantees that centrum movable plate 20 can in free gap 30 around horizontal axis with this
Swingingly it is arranged.
In order to realize the connection of centrum movable plate 20 and centrum main body 10, as shown in Figure 1, centrum prosthese further include:
Connection component 50, connection component 50 be arranged between centrum movable plate 20 and centrum main body 10, with connect centrum movable plate 20 with
Centrum main body 10.By being provided with connection component 50 on centrum prosthese, wherein connection component 50 is arranged in centrum movable plate 20
Between centrum main body 10, to realize the connection of centrum movable plate 20 Yu centrum main body 10.
In the present embodiment, connection component 50 is arranged between centrum movable plate 20 and centrum main body 10, wherein connection group
Part 50 is at least partly fixed on centrum movable plate 20, and the other parts of connection component 50 are rotatably arranged in centrum
In main body 10, to not ensure that centrum movable plate 20 on the basis of being connected to centrum movable plate 20 and centrum main body 10 yet
Swingably it is arranged on the end face of centrum main body 10 around horizontal axis.
In order to which centrum movable plate 20 is arranged in swingably on the end face of centrum main body 10 by connection component, such as
Shown in Fig. 1 and Fig. 3, connection component 50 includes: connecting shaft 51, and the first shaft part of connecting shaft 51 is connect with centrum main body 10, connection
Second shaft part of axis 51 is connect with centrum movable plate 20, so that vertebra is swingably arranged in by connecting shaft 51 in centrum movable plate 20
On phosphor bodies 10.
In the present embodiment, by being provided with connecting shaft 51 on connection component 50, wherein the first shaft part of connecting shaft 51
It is connect with centrum main body 10, the second shaft part of connecting shaft 51 is connect with centrum movable plate 20, to be realized by connecting shaft 51
The connection of centrum movable plate 20 and centrum main body 10.
In the present embodiment, the first shaft part of connecting shaft 51 is rotatably coupled with centrum main body 10, and the of connecting shaft 51
Two shaft parts are fixedly connected with centrum movable plate 20, so as to so that centrum movable plate 20 is swingably arranged in by connecting shaft 51
In centrum main body 10.
In order to realize the connection of centrum movable plate 20 Yu centrum main body 10 by connecting shaft 51, in centrum main body 10
With the first connecting column 13, centrum movable plate 20 has the second connecting column 21 in centrum main body 10；Wherein, connecting shaft 51
First shaft part is threaded through in the first connecting column 13, and the second shaft part of connecting shaft 51 is threaded through in the second connecting column 21.
In the present embodiment, by having the first connecting column 13 in centrum main body 10, centrum movable plate 20 is close to centrum
There is the second connecting column 21, wherein the first shaft part of connecting shaft 51 is threaded through in the first connecting column 13, connecting shaft 51 in main body 10
The second shaft part be threaded through in the second connecting column 21, to realize centrum movable plate 20 and centrum main body 10 by connecting shaft 51
Connection.
In this embodiment, the first shaft part of connecting shaft 51 is rotationally threaded through in the first connecting column 13, connecting shaft 51
Second shaft part is fixedly threaded through in the second connecting column 21, to guarantee that centrum movable plate 20 is swingably set by connecting shaft 51
It sets in centrum main body 10.
In order to be threaded through the second shaft part of connecting shaft 51 fixedly in the second connecting column 21, as shown in figure 3, connection
Second shaft part of axis 51 be thread segment, the second connecting column 21 have threaded hole compatible with thread segment so that connecting shaft 51 with
Second connecting column 21 is threadedly coupled.By setting thread segment for the second shaft part of connecting shaft 51, wherein the second connecting column 21 tool
There is threaded hole compatible with thread segment, by the threaded hole that the thread segment of connecting shaft 51 is rotated into the second connecting column 21
It is interior, so as to so that connecting shaft 51 is threadably secured with the second connecting column 21 connect.
In order to be threaded through the first shaft part of connecting shaft 51 rotationally in the first connecting column 13, as shown in figure 3, even
Connected components 50 further include: bearing 52, bearing 52 are set in connecting shaft 51, and connecting shaft 51 is rotatably arranged in by bearing 52
In first connecting column 13.By being provided with bearing 52 on connection component 50, wherein bearing 52 is set in connecting shaft 51, axis
It holds 52 to be threaded through in the first connecting column 13, so as to so that connecting shaft 51 is rotatably arranged in the first connecting column by bearing 52
In 13.
In the present embodiment, by rotating into the thread segment of connecting shaft 51 in the threaded hole of second connecting column 21, from
And connecting shaft 51 is threadably secured with the second connecting column 21 and is connect, by the way that bearing 52 is set in connecting shaft 51, axis
It holds 52 to be threaded through in the first connecting column 13, so as to so that connecting shaft 51 is rotatably arranged in the first connecting column by bearing 52
In 13, it can guarantee that centrum is swingably arranged in around horizontal axis in centrum movable plate 20 by the arrangement above of connection component 50
On the end face of main body 10.
In order to realize being reliably connected for centrum movable plate 20 and centrum main body 10, as shown in Figure 1, in centrum main body 10
With connecting hole 14, interconnecting piece 22 compatible with connecting hole 14,22 company of being plugged in of interconnecting piece are provided on centrum movable plate 20
It connects in hole 14.
In the present embodiment, by being provided with connecting hole 14 in centrum main body 10, be provided on centrum movable plate 20 with
The compatible interconnecting piece 22 of connecting hole 14, by the way that interconnecting piece 22 to be plugged in connecting hole 14, so as to so that centrum movable plate
20 are stably connected with by interconnecting piece 22 with the connecting hole 14 in centrum main body 10.
There is rigid contact when swinging on the end face of centrum main body 10 around horizontal axis in centrum movable plate 20 in order to prevent,
As shown in Figure 1, centrum prosthese further include: elastic component 60, elastic component 60 are arranged in connecting hole 14 and abut with interconnecting piece 22.It is logical
It crosses on centrum prosthese and is provided with elastic component 60, wherein elastic component 60 is arranged in connecting hole 14 and abuts with interconnecting piece 22, from
And can make centrum movable plate 20 on the end face of centrum main body 10 around horizontal axis swing when, elastic component 60 can play one
Fixed buffer function prevents the direct rigid contact of centrum movable plate 20 and centrum main body 10.
In the present embodiment, skull is provided with connecting hole 14 in centrum main body 10, be provided on centrum movable plate 20 with
The compatible interconnecting piece 22 of connecting hole 14, interconnecting piece 22 are plugged in connecting hole 14, pass through to realize centrum movable plate 20
Interconnecting piece 22 is stably connected with the connecting hole 14 in centrum main body 10.By by elastic component 60 be arranged in connecting hole 14 and with even
Socket part 22 abuts, so that centrum movable plate 20 on the end face of centrum main body 10 around horizontal axis when swinging, it is elastic
Part 60 can play certain buffer function, prevent the direct rigid contact of centrum movable plate 20 and centrum main body 10.
In order to be stably placed at centrum prosthese in physiology centrum, as shown in Figure 1, centrum prosthese further include: fill out
Plate 40 is filled, filling plate 40 is arranged in free gap 30；Wherein, filling plate 40 is made of absorbable material.By in centrum vacation
Filling plate 40 is provided on body, wherein filling plate 40 is arranged in free gap 30, to be put into life in guarantee centrum prosthese
Managing in centrum is an overall structure, prevents the movement between centrum movable plate 20 and centrum main body 10.
In the present embodiment, filling plate 40 is made of absorbable material, wherein absorbable material can be selected as PLA is poly-
Lactic acid, calcium carbonate or hydroxyapatite, so as to guarantee centrum prosthese after being implanted into human body, filling plate 40 can be inhaled by human body
It receives, forms the activity for swinging for centrum movable plate 20 so as to guarantee, between centrum movable plate 20 and centrum main body 10
Gap 30.
In the present embodiment, by being provided with filling plate 40 on centrum prosthese, wherein filling plate 40 is arranged between activity
In gap 30, to be an overall structure guaranteeing centrum prosthese being put into physiology centrum, centrum movable plate 20 and vertebra are prevented
Movement between phosphor bodies 10, after centrum prosthese is merged with the realization of physiology centrum, since filling plate 40 is by absorbable material system
At, therefore realized in fusion process in centrum prosthese and physiology centrum, filling plate 40 is absorbed, thus in 20 He of centrum movable plate
The free gap 30 for swinging for centrum movable plate 20 is formed between centrum main body 10, therefore can guarantee centrum movable plate 20
Swingably it is arranged in free gap 30 around horizontal axis, human body requirements is met with this.
In order to adapt to physiology centrum to the topology requirement of centrum prosthese, as depicted in figs. 1 and 2, centrum movable plate 20 is two
A, two centrum movable plates 20 are separately positioned on corresponding one end of centrum main body 10.By setting two for centrum movable plate 20
It is a, wherein two centrum movable plates 20 are separately positioned on corresponding one end of centrum main body 10, to meet physiology centrum to centrum
The topology requirement of prosthese can also realize the swingable setting of centrum prosthese by upper and lower two centrum movable plates 20.
Preferably, centrum main body 10 has the first axially extending arc-shaped concave 11 along centrum main body 10, connection component
Across the first arc-shaped concave 11.
Preferably, it in order to which centrum prosthese to be stably placed in human body, is provided on centrum movable plate 20 multiple
Fixation hole 70.
In the present embodiment, by the way that bearing 52 to be set in connecting shaft 51, bearing 52 is threaded through in the first connecting column 13,
So as to so that connecting shaft 51 is rotatably arranged in the first connecting column 13 by bearing 52, in order to seal bearing 52
In the first connecting column 13, thread plug 53 is provided on connection component 50, by being arranged thread plug 53 in the first connecting column 13
End face in, so as to which bearing 52 is sealed in the first connecting column 13.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Centrum prosthese of the invention realizes centrum prosthese and physiology centrum by centrum main body 10 and centrum movable plate 20
Fusion, fused centrum prosthetic part can be carried out activity physiologically.Centrum prosthese it is specifically used during, work as vertebra
After phosphor bodies 10 and centrum movable plate 20 and physiology vertebral fusion, it is contemplated that centrum is swingably arranged in centrum movable plate 20
On the end face of main body 10, so centrum movable plate 20 still can be around scheduled level after centrum prosthese and physiology vertebral fusion
Axis is swingable on the end face of centrum main body 10, so that solving fused centrum prosthese in the prior art reduces people
The problem of body mobility, it is contemplated that centrum prosthese of the invention does not change the mechanotransduction route of human upper limb, to be not easy to produce
The loosening or slippage of raw prosthese, improve the prosthese service life.
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 (10)
1. a kind of centrum prosthese characterized by comprising
Centrum main body (10)；
The centrum main body (10) is swingably arranged in around horizontal axis for centrum movable plate (20), the centrum movable plate (20)
End face on；
Wherein, sagittal plane of the horizontal axis perpendicular to the centrum prosthese；
Have between the centrum movable plate (20) and the centrum main body (10) for being swung for the centrum movable plate (20)
Free gap (30)；
The centrum prosthese further include: filling plate (40), filling plate (40) setting is in the free gap (30)；Its
In, the filling plate (40) is made of absorbable material.
2. centrum prosthese according to claim 1, which is characterized in that the centrum main body (10) is close to the centrum activity
The end face of plate (20) one end has the first section (12), and the centrum movable plate (20) is close to described centrum main body (10) one end
The free gap (30) are formed between end face and first section (12).
3. centrum prosthese according to claim 2, which is characterized in that the centrum prosthese further include:
Connection component (50), the connection component (50) setting the centrum movable plate (20) and the centrum main body (10) it
Between, to connect the centrum movable plate (20) and the centrum main body (10).
4. centrum prosthese according to claim 3, which is characterized in that the connection component (50) includes:
Connecting shaft (51), the first shaft part of the connecting shaft (51) are connect with the centrum main body (10), the connecting shaft (51)
The second shaft part connect with the centrum movable plate (20) so that the centrum movable plate (20) can by the connecting shaft (51)
Swingingly it is arranged on the centrum main body (10).
5. centrum prosthese according to claim 4, which is characterized in that have the first connecting column on the centrum main body (10)
(13), the centrum movable plate (20) has the second connecting column (21) on the centrum main body (10)；Wherein, the connection
First shaft part of axis (51) is threaded through in first connecting column (13), and the second shaft part of the connecting shaft (51) is threaded through described
In second connecting column (21).
6. centrum prosthese according to claim 5, which is characterized in that second shaft part of the connecting shaft (51) is spiral shell
Line section, second connecting column (21) has threaded hole compatible with the thread segment, so that the connecting shaft (51) and institute
State the second connecting column (21) threaded connection.
7. centrum prosthese according to claim 6, which is characterized in that the connection component (50) further include:
Bearing (52), the bearing (52) are set on the connecting shaft (51), and the connecting shaft (51) passes through the bearing
(52) it is rotatably arranged in first connecting column (13).
8. centrum prosthese according to claim 1, which is characterized in that have connecting hole on the centrum main body (10)
(14), compatible interconnecting piece (22), the interconnecting piece are provided with the connecting hole (14) on the centrum movable plate (20)
(22) it is plugged in the connecting hole (14).
9. centrum prosthese according to claim 8, which is characterized in that the centrum prosthese further include:
Elastic component (60), elastic component (60) setting abut in the connecting hole (14) and with the interconnecting piece (22).
10. centrum prosthese according to claim 1, which is characterized in that the centrum movable plate (20) is two, two institutes
State corresponding one end that centrum movable plate (20) is separately positioned on the centrum main body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295125.5A CN106983585B (en) | 2017-04-28 | 2017-04-28 | Centrum prosthese |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295125.5A CN106983585B (en) | 2017-04-28 | 2017-04-28 | Centrum prosthese |
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| CN106983585A CN106983585A (en) | 2017-07-28 |
| CN106983585B true CN106983585B (en) | 2019-01-08 |
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| CN201710295125.5A Active CN106983585B (en) | 2017-04-28 | 2017-04-28 | Centrum prosthese |
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