CN104958125B - Frame-type non-fusion technology artificial vertebral body - Google Patents
Frame-type non-fusion technology artificial vertebral body Download PDFInfo
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- CN104958125B CN104958125B CN201510440083.0A CN201510440083A CN104958125B CN 104958125 B CN104958125 B CN 104958125B CN 201510440083 A CN201510440083 A CN 201510440083A CN 104958125 B CN104958125 B CN 104958125B
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Abstract
A kind of frame-type non-fusion technology artificial vertebral body, belongs to orthopedics internal fixing appliance, the plate face of the mainboard of supporter column side dorsad arranges hugging；Supporting plate arranges hugging on the plate face of mainboard side, and the lateral edge of supporting plate is provided with the side plate being perpendicular to supporting plate, and side plate is provided with two screw holes with lock function；Portable plate and the post of connection portable plate and connecting plate that elastomer by integrated connecting plate, is installed between connecting plate form, and connecting plate is installed in the hugging of mainboard and supporting plate respectively.The invention have the advantage that the effect having support, fixing, provide the space of bone grafting reconstruction bony structure, tool material is not easy fracture, is effectively improved the fixing intensity of prosthese；Keep original fatigue crack-resistant performance；The connecting plate of silica gel material, makes artificial vertebral body have the elasticity of intervertebral disc, adapts to the flexibility of health, and patient can be freely movable after recovering, and does not affect orthobiosis.
Description
Technical field
The present invention relates to orthopedics internal fixing appliance, particularly relate to a kind of frame-type non-fusion technology artificial vertebral body for spinal column diseased vertebral body three-dimensional reconstruction.
Background technology
At present, in the operative treatment of the diseases such as some tumors of spine, fracture, tuberculosis and deformity, it is by after ill vertebral resection, within it fixes the artificial vertebral body substitute of a titanium alloy, the most additional side or the auxiliary inner fixer at rear, to reach therapeutic purposes.
The artificial vertebral body of currently used titanium alloy is divided into adjustable with fixed two classes, and using in adjustable artificial vertebral body more mainly has L-type artificial vertebral body and frame-type artificial vertebral body (ArtificialVertebral Body
Of Framework, AVBK) two kinds.
The frame-type artificial vertebral body designed by doctor Wang Yongqing, Patent No. 200920096115.X, during use, after movable discectomy is rebuild, lose original function, be i.e. frame-type integration technology artificial vertebral body.
This frame-type integration technology artificial vertebral body, including two supporting plates being oppositely arranged and the column that is arranged between supporting plate；This supporting plate includes mainboard, side plate and axle sleeve；Mainboard is the plate body identical with human spine's vertebral body cross sectional shape, mainboard proximal edge is provided with the side plate being perpendicular to supporting plate, side plate is provided with two screwed screw holes and two the parallel cross screws matched, mainboard is provided with axle sleeve towards the center of column side, column two ends are respectively embedded in the axle sleeve of relative two supporting plate formation pestle mortar and connect, and fix with pinning, two supporting plates and column are that titanium alloy material is made, and all there is painting hydroxyapatite coating layer on surface；It is characterized in that, the plate face of described mainboard column side dorsad is matsurface；It is provided with mainboard supporter between described axle sleeve and mainboard junction, inside axle sleeve, is provided with the screw thread with elevating function；This mainboard supporter is provided with screwed hole and the screw matched, and this screw is passed by the middle of two parallel cross screws, and forms interlocking shape with cross screw.
Its tunable performance improves, and can be integrally placed to, at fixing vertebral body, make operation technique the most convenient in operative treatment, effectively shorten operating time, mainboard is fixed the plate face of vertebral body contact and is set to matsurface so that mainboard and vertebral bone are grown into well, improve postoperative biological fixation effect.
But, the upper hypocentrum that this frame-type integration technology artificial vertebral body is connected with former pathological changes vertebral body is connected to become a part for vertebra, inserts after human spine replaces pathological changes vertebral body, its rigid structural, makes patient spine stiff, it is impossible to bending, there is no normal physiological bending degree, affect the orthobiosis of patient.
Summary of the invention
Present invention is primarily targeted at the disadvantages mentioned above overcoming existing product to exist, and a kind of frame-type non-fusion technology artificial vertebral body is provided, the frame structure that titanium alloy (Tc4) material is made, there is support, fixing, the effect in the space that provides bone grafting to rebuild bony structure, there is the effect promoting that osteocyte is grown into；Material is not easy fracture, is effectively improved the fixing intensity of prosthese；Frame-type non-fusion technology artificial vertebral body is enable to keep original fatigue crack-resistant performance, it is ensured that the safety of use；The connecting plate that silica gel material makes makes artificial vertebral body have the substitute of the elasticity of intervertebral disc, i.e. artificial intervertebral disk, is adapted to the flexibility of health, and patient can be freely movable after recovering, and does not affect orthobiosis.
It is an object of the invention to be realized by techniques below scheme, a kind of frame-type non-fusion technology artificial vertebral body, it is characterized in that: include supporter, upper and lower two elastomers and two supporting plates, described supporter is made up of the outer horseshoe-shaped mainboard close with spinal vertebral cross sectional shape and the column being arranged between two relative mainboards；It is provided with the cambered surface close with spinal vertebral cross sectional shape before mainboard, the plate face of two mainboard being oppositely arranged column sides dorsad arranges hugging；The outer of described supporting plate is the shape of a hoof close with spinal vertebral cross sectional shape, is provided with the cambered surface close with spinal vertebral cross sectional shape before supporting plate, and supporting plate arranges hugging on the plate face of mainboard side；The lateral edge of supporting plate is provided with the side plate being perpendicular to supporting plate, and side plate is provided with two screw holes with lock function；Portable plate and the post of connection portable plate and connecting plate that described elastomer by two connecting plates being oppositely arranged, is installed between two connecting plates form；Portable plate and shaped tiles, size are identical, and two connecting plates are installed in the hugging of mainboard and supporting plate respectively.
Described supporter is formed in one.
Described supporter is titanium alloy material, and surface spraying has pure titanium coating.
Described column diameter is 4 ± 0.5mm, 8 ± 0.5mm, 12 ± 0.5mm or 16 ± 0.5mm, and strut length is 30 to 80mm.
Described supporting plate is titanium alloy material, and surface spraying has pure titanium coating.
Two a diameter of 5 ± 0.5mm of screw hole with lock function on described side plate, pitch is 3 ± 0.5mm, and the screw degree of depth is 0.5 ± 0.1mm.
Described elastomer is silicone elastomer body.
Described elastomer is formed in one.
Advantages of the present invention and providing the benefit that:
1, mainboard that frame-type non-fusion technology artificial vertebral body titanium alloy (Tc4) material is made two ends are symmetrical and the frame structure that the column being arranged between mainboard is constituted, the pure titanium coating of its surface spraying；There is support, fixing, the effect in the space that provides bone grafting to rebuild bony structure, there is the effect promoting that osteocyte is grown into；Material is not easy fracture, is effectively improved the fixing intensity of prosthese；Frame-type non-fusion technology artificial vertebral body is enable to keep original fatigue crack-resistant performance, it is ensured that the safety of use；The use of frame-type non-fusion technology artificial vertebral body meets the developing direction of spinal surgery.
2, frame-type non-fusion technology artificial vertebral body is the connecting plate that card dress silica gel material makes between mainboard and supporting plate, make artificial vertebral body have the substitute of the elasticity of intervertebral disc, i.e. artificial intervertebral disk, be adapted to the flexibility of health, patient can be freely movable after recovering, and does not affect orthobiosis.
3, pallet side edge is provided with side plate, fixes with upper hypocentrum and is connected.
Accompanying drawing illustrates:
Fig. 1 is overall structure schematic front view of the present invention.
Fig. 2 is that the overall structure right side of the present invention regards schematic diagram.
Fig. 3 is overall structure schematic top plan view of the present invention.
Fig. 4 is overall structure elevational schematic view of the present invention.
Fig. 5 is elastomer schematic front view of the present invention.
Fig. 6 is the A-A generalized section of Fig. 5.
Fig. 7 is elastomer schematic top plan view of the present invention.
Wherein:
1-mainboard, 2-supporter, 3-side plate, 4-column, 5-hugging, 6-elastomer, 7-supporting plate, 8-connecting plate, 9-portable plate, 10-post, 11-screw hole, 12-cambered surface.
Detailed description of the invention
Refering to shown in Fig. 1-7, frame-type non-fusion technology artificial vertebral body of the present invention, the supporter 2 made including titanium alloy (Tc4) material, supporter 2 is made up of the outer horseshoe-shaped mainboard 1 identical with spinal vertebral cross sectional shape and the column 4 being arranged between two mainboards being oppositely arranged 1, the cambered surface 12 close with spinal vertebral cross sectional shape it is provided with before mainboard 1, arranging hugging 5 on the plate face of two mainboard being oppositely arranged 1 column sides dorsad, supporter 2 is one of the forming type；Column diameter is 4 ± 0.5mm, 8 ± 0.5mm, 12 ± 0.5mm or 16 ± 0.5mm, and strut length is 30 to 80mm；The outer of the supporting plate 7 that described titanium alloy (Tc4) material is made is the shape of a hoof identical with spinal vertebral cross sectional shape, the cambered surface 12 close with spinal vertebral cross sectional shape it is provided with before supporting plate 7, supporting plate 7 arranges hugging 5 on the plate face of mainboard 1 side, the lateral edge of supporting plate 7 is provided with the side plate 3 being perpendicular to supporting plate, side plate 3 is provided with two screw holes 11 with lock function, a diameter of 5 ± the 0.5mm of screw hole, pitch is 3 ± 0.5mm, and the screw degree of depth is 0.5 ± 0.1mm；Supporter and supporting plate are made by titanium alloy material, and surface is equipped with pure titanium coating；Portable plate 9 and the post 10 of connection portable plate 9 and connecting plate 8 that described elastomer 6 by integrated two connecting plates being oppositely arranged 8, is installed between two connecting plates 8 form, portable plate 9 and mainboard 1 shape, size are identical, and connecting plate 8 is installed in the hugging 5 of mainboard 1 and supporting plate 7 respectively.
The use of the present invention, in operation, excises pathological changes vertebral body, reaches stump face and soleplate equating row as far as possible.Utilize spinal column to strut orthosis and strut the upper hypocentrum of residual cavity, correct deformity of spine as far as possible, strut retainer maintenance by spinal column and strut；Measure height and the diameter of upper hypocentrum of residual cavity, select to be suitable for the prosthese of model, then frame-type non-fusion technology artificial vertebral body entirety is inserted in the residual cavity being installed on cut focus；When inserting, the cambered surface of mainboard and supporting plate is consistent with vertebra, overall inserts from the side of vertebra, allows supporting plate post at upper fixing vertebral body lower surface and lower fixing vertebral body upper surface respectively, by screw by two supporting plates with fix vertebral body up and down and fix；Sew up, complete operation.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is made any pro forma restriction, every any simple modification, equivalent variations and modification made above example according to the technical spirit of the present invention, all still falls within the range of technical solution of the present invention.
Claims (8)
1. a frame-type non-fusion technology artificial vertebral body, it is characterized in that: include supporter, upper and lower two elastomers and two supporting plates, described supporter is made up of the outer horseshoe-shaped mainboard close with spinal vertebral cross sectional shape and the column being arranged between two relative mainboards；It is provided with the cambered surface close with spinal vertebral cross sectional shape before mainboard, the plate face of two mainboard being oppositely arranged column sides dorsad arranges hugging；The outer of described supporting plate is the shape of a hoof close with spinal vertebral cross sectional shape, is provided with the cambered surface close with spinal vertebral cross sectional shape before supporting plate, and supporting plate arranges hugging on the plate face of mainboard side；The lateral edge of supporting plate is provided with the side plate being perpendicular to supporting plate, and side plate is provided with two screw holes with lock function；Portable plate and the post of connection portable plate and connecting plate that described elastomer by two connecting plates being oppositely arranged, is installed between two connecting plates form；Portable plate and shaped tiles, size are identical, and two connecting plates are installed in the hugging of mainboard and supporting plate respectively.
A kind of frame-type non-fusion technology artificial vertebral body the most according to claim 1, it is characterised in that: described supporter is formed in one.
A kind of frame-type non-fusion technology artificial vertebral body the most according to claim 1, it is characterised in that: described supporter is titanium alloy material, and surface spraying has pure titanium coating.
A kind of frame-type non-fusion technology artificial vertebral body the most according to claim 1, it is characterised in that: described column diameter is 4 ± 0.5mm, 8 ± 0.5mm, 12 ± 0.5mm or 16 ± 0.5mm, and strut length is 30 to 80mm.
A kind of frame-type non-fusion technology artificial vertebral body the most according to claim 1, it is characterised in that: described supporting plate is titanium alloy material, and surface spraying has pure titanium coating.
A kind of frame-type non-fusion technology artificial vertebral body the most according to claim 1, it is characterised in that: two a diameter of 5 ± 0.5mm of screw hole with lock function of described side plate, pitch is 3 ± 0.5mm, and the screw degree of depth is 0.5 ± 0.1mm.
A kind of frame-type non-fusion technology artificial vertebral body the most according to claim 1, it is characterised in that: described elastomer is silicone elastomer body.
A kind of frame-type non-fusion technology artificial vertebral body the most according to claim 1, it is characterised in that: described elastomer is formed in one.
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| CN201510440083.0A CN104958125B (en) | 2015-07-24 | 2015-07-24 | Frame-type non-fusion technology artificial vertebral body |
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| CN201510440083.0A CN104958125B (en) | 2015-07-24 | 2015-07-24 | Frame-type non-fusion technology artificial vertebral body |
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| CN104958125A CN104958125A (en) | 2015-10-07 |
| CN104958125B true CN104958125B (en) | 2016-09-28 |
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| CN1846641A (en) * | 2005-04-12 | 2006-10-18 | 王永清 | Frame-type artificial vertebral body |
| CN101019787A (en) * | 2006-12-31 | 2007-08-22 | 中国人民解放军第四军医大学 | Physiological cervical vertebral reconstructing system |
| CN101111206A (en) * | 2005-01-26 | 2008-01-23 | 颈椎修复技术公司 | Cervical intervertebral prostheses |
| CN201453419U (en) * | 2009-03-31 | 2010-05-12 | 王永清 | Frame type manual taper |
| EP2417939A1 (en) * | 2010-08-09 | 2012-02-15 | Christian Röbling | Spinal prosthesis |
| CN103300949A (en) * | 2013-06-03 | 2013-09-18 | 北京爱康宜诚医疗器材股份有限公司 | Artificial vertebral body |
| CN203988502U (en) * | 2014-07-02 | 2014-12-10 | 南方医科大学 | A kind of dynamically artificial vertebral body |
| CN203988504U (en) * | 2014-07-02 | 2014-12-10 | 南方医科大学 | A kind of elasticity artificial vertebral body |
| CN204814289U (en) * | 2015-07-24 | 2015-12-02 | 天津市第四中心医院 | Artifical centrum of non - fusion technique of frame -type |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9968460B2 (en) * | 2013-03-15 | 2018-05-15 | Medsmart Innovation Inc. | Dynamic spinal segment replacement |
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2015
- 2015-07-24 CN CN201510440083.0A patent/CN104958125B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2234256Y (en) * | 1995-03-31 | 1996-09-04 | 中国人民解放军第一军医大学 | Movable artificial pyramid |
| CN101111206A (en) * | 2005-01-26 | 2008-01-23 | 颈椎修复技术公司 | Cervical intervertebral prostheses |
| CN1846641A (en) * | 2005-04-12 | 2006-10-18 | 王永清 | Frame-type artificial vertebral body |
| CN101019787A (en) * | 2006-12-31 | 2007-08-22 | 中国人民解放军第四军医大学 | Physiological cervical vertebral reconstructing system |
| CN201453419U (en) * | 2009-03-31 | 2010-05-12 | 王永清 | Frame type manual taper |
| EP2417939A1 (en) * | 2010-08-09 | 2012-02-15 | Christian Röbling | Spinal prosthesis |
| CN103300949A (en) * | 2013-06-03 | 2013-09-18 | 北京爱康宜诚医疗器材股份有限公司 | Artificial vertebral body |
| CN203988502U (en) * | 2014-07-02 | 2014-12-10 | 南方医科大学 | A kind of dynamically artificial vertebral body |
| CN203988504U (en) * | 2014-07-02 | 2014-12-10 | 南方医科大学 | A kind of elasticity artificial vertebral body |
| CN204814289U (en) * | 2015-07-24 | 2015-12-02 | 天津市第四中心医院 | Artifical centrum of non - fusion technique of frame -type |
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