CN106983585A - Centrum prosthese - Google Patents

Centrum prosthese Download PDF

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Publication number
CN106983585A
CN106983585A CN201710295125.5A CN201710295125A CN106983585A CN 106983585 A CN106983585 A CN 106983585A CN 201710295125 A CN201710295125 A CN 201710295125A CN 106983585 A CN106983585 A CN 106983585A
Authority
CN
China
Prior art keywords
centrum
main body
portable plate
prosthese
connecting shaft
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.)
Granted
Application number
CN201710295125.5A
Other languages
Chinese (zh)
Other versions
CN106983585B (en
Inventor
孟德松
李健
马骏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing AK Medical Co Ltd
Original Assignee
Beijing AK Medical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing AK Medical Co Ltd filed Critical Beijing AK Medical Co Ltd
Priority to CN201710295125.5A priority Critical patent/CN106983585B/en
Publication of CN106983585A publication Critical patent/CN106983585A/en
Application granted granted Critical
Publication of CN106983585B publication Critical patent/CN106983585B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455Joints 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements

Abstract

The invention provides a kind of centrum prosthese, including:Centrum main body;Centrum portable plate, centrum portable plate is swingably arranged on the end face of centrum main body around horizontal axis;Wherein, sagittal plane of the horizontal axis perpendicular to centrum prosthese.The centrum prosthese of the present invention, which solves the centrum prosthese after fusion of the prior art, reduces the problem of physical activity is spent.

Description

Centrum prosthese
Technical field
The present invention relates to artificial prosthesis field, in particular to a kind of centrum prosthese.
Background technology
At present, artificial vertebral body present on market is substantially the product of integration, 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, the pyramidal portion after fusion cannot carry out activity physiologically, human body sagittal plane Motion relies only on the physiology centrum of artificial vertebral body above or below, reduces the mobility of human body, and has a foreign body sensation, The normal mechanotransduction of human upper limb is changed, the prosthese life-span is reduced.
The content of the invention
It is false to solve the centrum after fusion of the prior art it is a primary object of the present invention to provide a kind of centrum prosthese Body reduces the problem of physical activity is spent.
To achieve these goals, the invention provides a kind of centrum prosthese, including:Centrum main body;Centrum portable plate, vertebra Body portable 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 being used for swinging for centrum portable plate between centrum portable plate and centrum main body.
Further, end face of the centrum main body close to centrum portable plate one end has the first tangent plane, and centrum portable plate is close Free gap is formed between the end face and the first tangent plane of centrum main body one end.
Further, centrum prosthese also includes:Connection component, connection component be arranged on centrum portable plate and centrum main body it Between, to connect centrum portable plate and centrum main body.
Further, connection component includes:Connecting shaft, the first shaft part of connecting shaft is connected with centrum main body, connecting shaft Second shaft part is connected with centrum portable plate, so that centrum portable plate is swingably arranged in centrum main body by connecting shaft.
Further, there is the first connecting pole, centrum portable plate has second to connect in centrum main body in centrum main body Connect post;Wherein, the first shaft part of connecting shaft is located in the first connecting pole, and the second shaft part of connecting shaft is located in the second connecting pole It is interior.
Further, the second shaft part of connecting shaft is thread segment, and the second connecting pole has the screw thread being adapted with thread segment Hole, so that connecting shaft is threadedly coupled with the second connecting pole.
Further, connection component also includes:Bearing, bearing is set in connecting shaft, and connecting shaft is rotatable by bearing Ground is arranged in the first connecting pole.
Further, have in centrum main body on connecting hole, centrum portable plate and be provided with the connection being adapted with connecting hole Portion, connecting portion is plugged in connecting hole.
Further, centrum prosthese also includes:Elastic component, elastic component is arranged in connecting hole and abutted with connecting portion.
Further, centrum prosthese also includes:Plate is filled, filling plate is arranged in free gap;Wherein, filling plate is by can Absorbing material is made.
Further, centrum portable plate is two, and two centrum portable plates are separately positioned on corresponding one end of centrum main body.
The centrum prosthese of the present invention realizes melting for centrum prosthese and physiology centrum by centrum main body and centrum portable plate Close, the centrum its part after fusion can carry out activity physiologically.Centrum prosthese it is specifically used during, as centrum master After body and centrum portable plate and physiology vertebral fusion, it is contemplated that centrum portable plate is swingably arranged on the end face of centrum main body On, so after centrum prosthese and physiology vertebral fusion, centrum portable plate still can be around predetermined horizontal axis in centrum main body End face on it is swingable so that solving the centrum prosthese after fusion of the prior art reduces the problem of physical activity is spent, The mechanotransduction route of human upper limb is not changed in view of the centrum prosthese of the present invention, so as to be not likely to produce loosening or the cunning of prosthese It is de-, improve the prosthese life-span.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the decomposition texture schematic diagram of the embodiment of the centrum prosthese according to the present invention;
Fig. 2 shows the structural representation of the embodiment of the centrum prosthese according to the present invention;And
Fig. 3 shows the partial structurtes decomposing schematic representation of the centrum prosthese according to the present invention.
Wherein, above-mentioned accompanying drawing is marked including the following drawings:
10th, centrum main body;11st, the first arc-shaped concave;12nd, the first tangent plane;13rd, the first connecting pole;14th, connecting hole;20th, vertebra Body portable plate;21st, the second connecting pole;22nd, connecting portion;30th, free gap;40th, plate is filled;50th, connection component;51st, connecting shaft; 52nd, bearing;53rd, thread plug;60th, elastic component;70th, fixing 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 present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The invention provides a kind of centrum prosthese, Fig. 1 to Fig. 3 is refer to, centrum prosthese includes:Centrum main body 10;Centrum Portable plate 20, centrum portable plate 20 is 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.
The centrum prosthese of the present invention realizes centrum prosthese and physiology centrum by centrum main body 10 and centrum portable plate 20 Fusion, the centrum its part after fusion can carry out activity physiologically.Centrum prosthese it is specifically used during, work as vertebra After phosphor bodies 10 and centrum portable plate 20 and physiology vertebral fusion, it is contemplated that centrum portable plate 20 is swingably arranged on centrum On the end face of main body 10, so after centrum prosthese and physiology vertebral fusion, centrum portable plate 20 still can be around predetermined level Axis is swingable on the end face of centrum main body 10, so that solving the centrum prosthese after fusion of 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, so as to be difficult production The loosening or slippage of raw prosthese, improve the prosthese life-span.
In the present embodiment, in order to enable the fine motion in sagittal plane of centrum prosthese, bend or swing 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 swung back.Wherein, the sagittal plane of centrum prosthese is to be implanted into after human body Human body for reference, along the longitudinal direction by the rip cutting of centrum prosthese be the two-part section in left and right, regardless of equity, as long as It is that left and right two parts are exactly sagittal plane, and the face of left and right equity is referred to as median sagittal plane.
In order to ensure that centrum portable plate 20 is swingably arranged on the end face of centrum main body 10 around horizontal axis, such as There is the free gap 30 for being used for swinging for centrum portable plate 20 described in Fig. 2, between centrum portable plate 20 and centrum main body 10.It is logical Cross and free gap 30 is provided between centrum portable plate 20 and centrum main body 10, thereby may be ensured that centrum portable plate 20 around water Flat axis is swingably set in free gap 30.
In order to form the work for being swung for centrum portable plate 20 between centrum portable plate 20 and centrum main body 10 Dynamic gap 30, as shown in figure 1, end face of the centrum main body 10 close to the one end of centrum portable plate 20 has the first tangent plane 12, centrum lives Dynamic plate 20 forms free gap 30 between the end face and the first tangent plane 12 of the one end of centrum main body 10.
In the present embodiment, end face of the centrum main body 10 close to the one end of centrum portable plate 20 has the first tangent plane 12, it is considered to To the first tangent plane 12 tilt with the transverse axis of centrum main body 10 so that centrum portable plate 20 close to the one end of centrum main body 10 end face And first form free gap 30 between tangent plane 12, ensure that centrum portable plate 20 can in free gap 30 around horizontal axis with this Swingingly set.
In order to realize the connection of centrum portable plate 20 and centrum main body 10, as shown in figure 1, centrum prosthese also includes: Connection component 50, connection component 50 is arranged between centrum portable plate 20 and centrum main body 10, with connect centrum portable plate 20 with Centrum main body 10.By being provided with connection component 50 on centrum prosthese, wherein, connection component 50 is arranged on centrum portable plate 20 Between centrum main body 10, it is achieved thereby that centrum portable plate 20 and the connection of centrum main body 10.
In the present embodiment, connection component 50 is arranged between centrum portable plate 20 and centrum main body 10, wherein, connection group At least part of part 50 is fixedly installed on centrum portable plate 20, and the other parts of connection component 50 are rotatably arranged in centrum In main body 10, so that on the basis of centrum portable plate 20 and centrum main body 10 is connected to, centrum portable plate 20 is not ensure that yet Swingably it is arranged on the end face of centrum main body 10 around horizontal axis.
In order to make centrum portable plate 20 be swingably arranged 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, the first shaft part of connecting shaft 51 is connected with centrum main body 10, connection Second shaft part of axle 51 is connected with centrum portable plate 20, so that centrum portable plate 20 is swingably arranged on vertebra by connecting shaft 51 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 connected with centrum main body 10, the second shaft part of connecting shaft 51 is connected with centrum portable plate 20, so as to be realized by connecting shaft 51 Centrum portable plate 20 and the connection of 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 portable plate 20, so as to so that centrum portable plate 20 is swingably arranged on by connecting shaft 51 In centrum main body 10.
In order to be realized by connecting shaft 51 in the connection of centrum portable plate 20 and centrum main body 10, centrum main body 10 With the first connecting pole 13, centrum portable plate 20 has the second connecting pole 21 in centrum main body 10;Wherein, connecting shaft 51 First shaft part is located in the first connecting pole 13, and the second shaft part of connecting shaft 51 is located in the second connecting pole 21.
In the present embodiment, by having the first connecting pole 13 in centrum main body 10, centrum portable plate 20 is close to centrum There is the second connecting pole 21 in main body 10, wherein, the first shaft part of connecting shaft 51 is located in the first connecting pole 13, connecting shaft 51 The second shaft part be located in the second connecting pole 21, so as to realize centrum portable 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 located in the first connecting pole 13, connecting shaft 51 Second shaft part is regularly located in the second connecting pole 21, so as to ensure that centrum portable plate 20 is swingably set by connecting shaft 51 Put in centrum main body 10.
Regularly it is located in the second connecting pole 21 in order to the second shaft part for making connecting shaft 51, as shown in figure 3, connection Second shaft part of axle 51 is thread segment, and the second connecting pole 21 has the screwed hole that is adapted with thread segment so that connecting shaft 51 with Second connecting pole 21 is threadedly coupled.By the way that the second shaft part of connecting shaft 51 is set into thread segment, wherein, the second connecting pole 21 has There is the screwed hole being adapted with thread segment, by the screwed hole that the thread segment of connecting shaft 51 is rotated into the second connecting pole 21 It is interior, so as to so that connecting shaft 51 is threadably secured with the second connecting pole 21 is connected.
Rotationally it is located in the first connecting pole 13 in order to the first shaft part for making connecting shaft 51, as shown in figure 3, even Connected components 50 also include:Bearing 52, bearing 52 is set in connecting shaft 51, and connecting shaft 51 is rotatably arranged in by bearing 52 In first connecting pole 13.By being provided with bearing 52 on connection component 50, wherein, bearing 52 is set in connecting shaft 51, axle Hold 52 to be located in the first connecting pole 13, so as to so that connecting shaft 51 is rotatably arranged in the first connecting pole by bearing 52 In 13.
In the present embodiment, by the way that the thread segment of connecting shaft 51 is rotated into the screwed hole of the second connecting pole 21, from And make it that connecting shaft 51 is threadably secured with the second connecting pole 21 and be connected, by the way that bearing 52 is set in connecting shaft 51, axle Hold 52 to be located in the first connecting pole 13, so as to so that connecting shaft 51 is rotatably arranged in the first connecting pole by bearing 52 In 13, it can ensure that centrum portable plate 20 is swingably arranged on centrum around horizontal axis 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 portable plate 20 and centrum main body 10, as shown in figure 1, in centrum main body 10 With connecting hole 14, the connecting portion 22 being adapted with connecting hole 14, the company of being plugged in of connecting portion 22 are provided with centrum portable plate 20 Connect in hole 14.
In the present embodiment, by be provided with centrum main body 10 on connecting hole 14, centrum portable plate 20 be provided with The connecting portion 22 that connecting hole 14 is adapted, by the way that connecting portion 22 is plugged in connecting hole 14, so as to so that centrum portable plate 20 are stably connected with by connecting portion 22 with the connecting hole 14 in centrum main body 10.
In order to rigid contact occur when preventing centrum portable plate 20 from being swung on the end face of centrum main body 10 around horizontal axis, As shown in figure 1, centrum prosthese also includes:Elastic component 60, elastic component 60 is arranged in connecting hole 14 and abutted with connecting portion 22.It is logical Cross and elastic component 60 is provided with centrum prosthese, wherein, elastic component 60 is arranged in connecting hole 14 and abutted with connecting portion 22, from And when can make it that centrum portable plate 20 is swung on the end face of centrum main body 10 around horizontal axis, elastic component 60 can play one Fixed cushioning effect, prevents centrum portable plate 20 and the direct rigid contact of centrum main body 10.
In the present embodiment, skull be provided with centrum main body 10 on connecting hole 14, centrum portable plate 20 be provided with The connecting portion 22 that connecting hole 14 is adapted, connecting portion 22 is plugged in connecting hole 14, it is achieved thereby that centrum portable plate 20 passes through Connecting portion 22 is stably connected with the connecting hole 14 in centrum main body 10.By the way that elastic component 60 is arranged in connecting hole 14 and with connecting Socket part 22 is abutted, so that when centrum portable plate 20 is swung on the end face of centrum main body 10 around horizontal axis, elasticity Part 60 can play certain cushioning effect, prevent centrum portable plate 20 and the direct rigid contact of centrum main body 10.
In order to make centrum prosthese be stably placed in physiology centrum, as shown in figure 1, centrum prosthese also includes:Fill out Plate 40 is filled, filling plate 40 is arranged in free gap 30;Wherein, filling plate 40 is made up of absorbable material.By false in centrum Filling plate 40 is provided with body, wherein, filling plate 40 is arranged in free gap 30, so as to be put into life in guarantee centrum prosthese It is an overall structure to manage in centrum, prevents the motion between centrum portable plate 20 and centrum main body 10.
In the present embodiment, filling plate 40 is made up of absorbable material, wherein, absorbable material can select PLA such as to gather Lactic acid, calcium carbonate or hydroxyapatite, so as to ensure centrum prosthese after implantation human body, filling plate 40 can be inhaled by human body Receive, so as to ensure, the activity for being swung for centrum portable plate 20 is formed between centrum portable 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, so as to be an overall structure ensureing centrum prosthese being put into physiology centrum, centrum portable plate 20 and vertebra are prevented Motion between phosphor bodies 10, after centrum prosthese and physiology centrum are realized and merged, because filling plate 40 is by absorbable material system Into, therefore in centrum prosthese and physiology centrum realize fusion process, filling plate 40 is absorbed, so that in the He of centrum portable plate 20 The free gap 30 for being swung for centrum portable plate 20 is formed between centrum main body 10, therefore centrum portable plate 20 can be ensured Swingably set in free gap 30 around horizontal axis, human body requirements are met with this.
In order to adapt to topology requirement of the physiology centrum to centrum prosthese, as depicted in figs. 1 and 2, centrum portable plate 20 is two Individual, two centrum portable plates 20 are separately positioned on corresponding one end of centrum main body 10.By the way that centrum portable plate 20 is set into two It is individual, wherein, two centrum portable plates 20 are separately positioned on corresponding one end of centrum main body 10, so as to meet physiology centrum to centrum The topology requirement of prosthese, can also realize the swingable setting of centrum prosthese by two centrum portable plates 20 up and down.
Preferably, centrum main body 10 has the first axially extending arc-shaped concave 11 along centrum main body 10, connection component Through the first arc-shaped concave 11.
Preferably, in order to which centrum prosthese is stably placed in human body, it is provided with centrum portable plate 20 multiple Fixing hole 70.
In the present embodiment, by the way that bearing 52 is set in connecting shaft 51, bearing 52 is located in the first connecting pole 13, So as to so that connecting shaft 51 is rotatably arranged in the first connecting pole 13 by bearing 52, in order to which bearing 52 is sealed In the first connecting pole 13, thread plug 53 is provided with connection component 50, by the way that thread plug 53 is arranged on into the first connecting pole 13 End face in, so as to which bearing 52 is sealed in the first connecting pole 13.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect:
The centrum prosthese of the present invention realizes centrum prosthese and physiology centrum by centrum main body 10 and centrum portable plate 20 Fusion, the centrum its part after fusion can carry out activity physiologically.Centrum prosthese it is specifically used during, work as vertebra After phosphor bodies 10 and centrum portable plate 20 and physiology vertebral fusion, it is contemplated that centrum portable plate 20 is swingably arranged on centrum On the end face of main body 10, so after centrum prosthese and physiology vertebral fusion, centrum portable plate 20 still can be around predetermined level Axis is swingable on the end face of centrum main body 10, so that solving the centrum prosthese after fusion of 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, so as to be difficult production The loosening or slippage of raw prosthese, improve the prosthese life-span.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (12)

1. a kind of centrum prosthese, it is characterised in that including:
Centrum main body (10);
Centrum portable plate (20), the centrum portable plate (20) is swingably arranged on the centrum main body (10) around horizontal axis End face on;
Wherein, sagittal plane of the horizontal axis perpendicular to the centrum prosthese.
2. centrum prosthese according to claim 1, it is characterised in that the centrum portable plate (20) and the centrum main body (10) there is the free gap (30) for being used for swinging for the centrum portable plate (20) between.
3. centrum prosthese according to claim 2, it is characterised in that the centrum main body (10) is close to centrum activity The end face of plate (20) one end has the first tangent plane (12), and the centrum portable plate (20) is close to described centrum main body (10) one end The free gap (30) is formed between end face and first tangent plane (12).
4. centrum prosthese according to claim 3, it is characterised in that the centrum prosthese also includes:
Connection component (50), the connection component (50) be arranged on the centrum portable plate (20) and the centrum main body (10) it Between, to connect the centrum portable plate (20) and the centrum main body (10).
5. centrum prosthese according to claim 4, it is characterised in that the connection component (50) includes:
Connecting shaft (51), the first shaft part of the connecting shaft (51) is connected with the centrum main body (10), the connecting shaft (51) The second shaft part be connected with the centrum portable plate (20) so that the centrum portable plate (20) can by the connecting shaft (51) Swingingly it is arranged on the centrum main body (10).
6. centrum prosthese according to claim 5, it is characterised in that there is the first connecting pole on the centrum main body (10) (13), the centrum portable plate (20) has the second connecting pole (21) on the centrum main body (10);Wherein, the connection First shaft part of axle (51) is located in first connecting pole (13), and the second shaft part of the connecting shaft (51) is located in described In second connecting pole (21).
7. centrum prosthese according to claim 6, it is characterised in that second shaft part of the connecting shaft (51) is spiral shell Line section, second connecting pole (21) has the screwed hole being adapted with the thread segment, so that the connecting shaft (51) and institute State the second connecting pole (21) threaded connection.
8. centrum prosthese according to claim 7, it is characterised in that the connection component (50) also includes:
Bearing (52), the bearing (52) is set in the connecting shaft (51), and the connecting shaft (51) passes through the bearing (52) it is rotatably arranged in first connecting pole (13).
9. centrum prosthese according to claim 3, it is characterised in that there is connecting hole on the centrum main body (10) (14) connecting portion (22) being adapted with the connecting hole (14), the connecting portion, are provided with the centrum portable plate (20) (22) it is plugged in the connecting hole (14).
10. centrum prosthese according to claim 9, it is characterised in that the centrum prosthese also includes:
Elastic component (60), the elastic component (60) is arranged in the connecting hole (14) and abutted with the connecting portion (22).
11. centrum prosthese according to claim 2, it is characterised in that the centrum prosthese also includes:
Plate (40) is filled, the filling plate (40) is arranged in the free gap (30);Wherein, the filling plate (40) is by can Absorbing material is made.
12. centrum prosthese according to claim 1, it is characterised in that the centrum portable plate (20) is two, two institutes State corresponding one end that centrum portable plate (20) is separately positioned on the centrum main body (10).
CN201710295125.5A 2017-04-28 2017-04-28 Centrum prosthese Active CN106983585B (en)

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US20040254643A1 (en) * 2002-11-12 2004-12-16 Jackson Roger P. Articulated anterior expandable spinal fusion cage system
CN1713864A (en) * 2002-12-17 2005-12-28 马斯医药技术股份公司 Intervertebral implant
CN101087572A (en) * 2004-12-28 2007-12-12 斯恩蒂斯有限公司 Modular intervertebral implant
CN102715969A (en) * 2012-07-06 2012-10-10 常州市康辉医疗器械有限公司 Combined artificial vertebral body
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US4759769A (en) * 1987-02-12 1988-07-26 Health & Research Services Inc. Artificial spinal disc
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