CN104958125A - Artificial vertebral body of framework in non-fusion technology - Google Patents
Artificial vertebral body of framework in non-fusion technology Download PDFInfo
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- CN104958125A CN104958125A CN201510440083.0A CN201510440083A CN104958125A CN 104958125 A CN104958125 A CN 104958125A CN 201510440083 A CN201510440083 A CN 201510440083A CN 104958125 A CN104958125 A CN 104958125A
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- vertebral body
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Abstract
The invention provides an artificial vertebral body of framework in a non-fusion technology, and belongs to orthopaedics internal fixation equipment. Horizontal grooves are arranged on the board of the main board of a support body, the side of the board being on the back of a stand column. Horizontal grooves are arranged on the board of a support plate, the side of the board facing to the main board. The side surface edge of the support plate is provided with a side plate which is vertical to the support plate. The side plate is provided with two screw holes with a locking function. An elastic body is formed by an integrally formed connecting plate, a movable plate clamped between the connecting plates, and an elastic column connecting the movable plate and the connecting plates. The connecting plates are respectively clamped in the horizontal grooves of the main board and the support plate. The artificial vertebral body is advantaged in that the artificial vertebral body has effects of supporting, fixing, and providing space of a bone grafting reconstruction bony structure, the material is not easy to break and effectively improves fixation strength of prosthesis, original anti-fatigue crack property is maintained, the connecting plates in a silica gel material make the artificial vertebral body have elasticity of an intervertebral disk and adapt to flexibility of a body, a patient can freely move after recovery, and normal life is not influenced.
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, be by after ill vertebral resection, fix the artificial vertebral body substitute of a titanium alloy within it, the auxiliary inner fixer at an additional side or rear simultaneously, to reach therapeutic purposes.
The artificial vertebral body of the titanium alloy of current use is divided into adjustable and fixed two classes, use in adjustable artificial vertebral body and more mainly contain 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, the patent No. is 200920096115.X, and during use, after being rebuild by the discectomy of activity, losing original function, is namely frame-type integration technology artificial vertebral body.
This frame-type integration technology artificial vertebral body, the column comprising two supporting plates be oppositely arranged and be arranged between supporting plate; This supporting plate comprises mainboard, side plate and axle sleeve; Mainboard is the plate body identical with human spine vertebral body cross sectional shape, mainboard proximal edge is provided with the side plate perpendicular to supporting plate, side plate is provided with two screwed screw holes cross screw parallel with two that match, mainboard is provided with axle sleeve towards the center of column side, column two ends embed respectively in the axle sleeve of two relative supporting plates and form the connection of pestle mortar, 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 is dorsad matsurface; Be provided with mainboard supporter between described axle sleeve and mainboard junction, inside axle sleeve, be provided with the screw thread with elevating function; This mainboard supporter is provided with screwed hole and the screw that matches, and this screw passes by the middle of two parallel cross screws, and is formed with cross screw and interlock shape.
Its tunable performance improves, and entirety can be placed on fixing vertebral body place, make operation technique more convenient in operative treatment, effective shortening operating time, the plate face that mainboard fixes vertebral body contact is set to matsurface, mainboard and vertebral bone is grown into well, improves 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, insert after human spine replaces pathological changes vertebral body, its rigid structural, makes patient's spinal column stiff, can not bend, there is no normal physiological bending degree, affect the orthobiosis of patient.
Summary of the invention
Main purpose of the present invention is the above-mentioned shortcoming overcoming existing product existence, 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, fix, provide bone grafting to rebuild the effect in the space of bone structure, there is the effect promoting that osteocyte is grown into; Material is not easy fracture, effectively improves the constant intensity of prosthese; Enable frame-type non-fusion technology artificial vertebral body keep original fatigue crack-resistant performance, ensure the safety used; The connecting plate that silica gel material makes makes artificial vertebral body have the elasticity of intervertebral disc, i.e. the substitute of artificial intervertebral disk, can adapt to the flexibility of health, can be freely movable after patient recovers, and does not affect orthobiosis.
The object of the invention is to be realized by following technical scheme, a kind of frame-type non-fusion technology artificial vertebral body, it is characterized in that: comprise 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 be arranged between two relative mainboards; Be provided with the cambered surface close with spinal vertebral cross sectional shape before mainboard, the plate face of two mainboards be oppositely arranged column side 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 perpendicular to supporting plate, and side plate is provided with two screw holes with lock function; Described elastomer is made up of with the post being connected portable plate and connecting plate two connecting plates be oppositely arranged, the portable plate be installed between two connecting plates; 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 on described side plate screw hole diameters with lock function are 5 ± 0.5mm, and 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.
Advantage of the present invention and beneficial effect are:
1, frame-type non-fusion technology artificial vertebral body is the mainboard of the two ends symmetry made with titanium alloy (Tc4) material and is arranged on the frame structure that the column between mainboard forms, the pure titanium coating of its surface spraying; There is support, fix, provide bone grafting to rebuild the effect in the space of bone structure, there is the effect promoting that osteocyte is grown into; Material is not easy fracture, effectively improves the constant intensity of prosthese; Enable frame-type non-fusion technology artificial vertebral body keep original fatigue crack-resistant performance, ensure the safety used; 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 clamping silica gel material making between mainboard and supporting plate, make artificial vertebral body have the elasticity of intervertebral disc, i.e. the substitute of artificial intervertebral disk, the flexibility of health can be adapted to, can be freely movable after patient recovers, do not affect orthobiosis.
3, pallet side edge is provided with side plate, is fixedly connected with upper hypocentrum.
Accompanying drawing illustrates:
Fig. 1 is overall structure schematic front view of the present invention.
Fig. 2 is that schematic diagram is looked on the overall structure right side of the present invention.
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
Consult shown in Fig. 1-7, frame-type non-fusion technology artificial vertebral body of the present invention, comprise the supporter 2 that titanium alloy (Tc4) material is made, supporter 2 is made up of the outer horseshoe-shaped mainboard 1 identical with spinal vertebral cross sectional shape and the column 4 be arranged between two mainboards be oppositely arranged 1, the cambered surface 12 close with spinal vertebral cross sectional shape is provided with before mainboard 1, the plate face of two mainboards be oppositely arranged 1 column side dorsad arranges hugging 5, and 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 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 perpendicular to supporting plate, side plate 3 is provided with the screw hole 11 that two have lock function, screw hole diameter is 5 ± 0.5mm, and 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; Described elastomer 6 is made up of with the post 10 being connected portable plate 9 and connecting plate 8 integrated two connecting plates be oppositely arranged 8, the portable plate 9 be installed between two connecting plates 8, 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.
Use of the present invention, in operation, excision pathological changes vertebral body, reaches stump face and soleplate equating row as far as possible.Utilize spinal column to strut upper hypocentrum that orthosis struts residual cavity, corrects deformity of spine as far as possible, struts retainer maintain and strut by spinal column; Measure the height of residual cavity and the diameter of upper hypocentrum, select the prosthese being applicable to 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 is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a frame-type non-fusion technology artificial vertebral body, it is characterized in that: comprise 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 be arranged between two relative mainboards; Be provided with the cambered surface close with spinal vertebral cross sectional shape before mainboard, the plate face of two mainboards be oppositely arranged column side 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 perpendicular to supporting plate, and side plate is provided with two screw holes with lock function; Described elastomer is made up of with the post being connected portable plate and connecting plate two connecting plates be oppositely arranged, the portable plate be installed between two connecting plates; Portable plate and shaped tiles, size are identical, and two connecting plates are installed in the hugging of mainboard and supporting plate respectively.
2. a kind of frame-type non-fusion technology artificial vertebral body according to claim 1, is characterized in that: described supporter is formed in one.
3. a kind of frame-type non-fusion technology artificial vertebral body according to claim 1, is characterized in that: described supporter is titanium alloy material, and surface spraying has pure titanium coating.
4. a kind of frame-type non-fusion technology artificial vertebral body according to claim 1, it is characterized in that: described column diameter is 4 ± 0.5mm, 8 ± 0.5mm, 12 ± 0.5mm or 16 ± 0.5mm, strut length is 30 to 80mm.
5. a kind of frame-type non-fusion technology artificial vertebral body according to claim 1, is characterized in that: described supporting plate is titanium alloy material, and surface spraying has pure titanium coating.
6. a kind of frame-type non-fusion technology artificial vertebral body according to claim 1, is characterized in that: two of described side plate screw hole diameter with lock function is 5 ± 0.5mm, and pitch is 3 ± 0.5mm, and the screw degree of depth is 0.5 ± 0.1mm.
7. a kind of frame-type non-fusion technology artificial vertebral body according to claim 1, is characterized in that: described elastomer is silicone elastomer body.
8. a kind of frame-type non-fusion technology artificial vertebral body according to claim 1, is characterized 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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| CN104958125B 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 |
| US20140277506A1 (en) * | 2013-03-15 | 2014-09-18 | Medsmart Innovation, Inc. | Dynamic spinal segment replacement |
| 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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2015
- 2015-07-24 CN CN201510440083.0A patent/CN104958125B/en active Active
Patent Citations (11)
| 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 |
| US20140277506A1 (en) * | 2013-03-15 | 2014-09-18 | Medsmart Innovation, Inc. | Dynamic spinal segment replacement |
| 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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| CN104958125B (en) | 2016-09-28 |
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