CN204814289U - Artifical centrum of non - fusion technique of frame -type - Google Patents
Artifical centrum of non - fusion technique of frame -type Download PDFInfo
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- CN204814289U CN204814289U CN201520541862.5U CN201520541862U CN204814289U CN 204814289 U CN204814289 U CN 204814289U CN 201520541862 U CN201520541862 U CN 201520541862U CN 204814289 U CN204814289 U CN 204814289U
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Abstract
The utility model provides an artifical centrum of non - fusion technique of frame -type, belongs to orthopedics internal fixing device material, and the mainboard of supporter sets up groove for sleeping in dorsad on the face of stand one side, the layer board sets up groove for sleeping in on the face of mainboard one side, be equipped with the curb plate of perpendicular to layer board on the side edge of layer board, is equipped with the screw hole of two area locking functions on the curb plate, the elastomer comprises integrated into one piece's connecting plate, the elasticity post that presss from both sides the fly leaf of adorning between the connecting plate and connect fly leaf and connecting plate, and the connecting plate clamps the inslot for sleeping in at mainboard and layer board respectively. The utility model has the advantages that: having the support, fixing, provide the efficiency that the bone grafting rebuild the space of bone nature structure, the utensil material is difficult to the fracture, effectively improves the constant intensity of false body, keep original anti fatigue fracture performance, the connecting plate of silica gel material makes artifical centrum have the elasticity of intervertebral disc, and the crookedness of adaptation health can free activity after the patient resumes, does not influence the normal life.
Description
Technical field
This utility model relates to orthopedics internal fixing appliance, particularly relates 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 (ArtificialVertebralBodyofFramework, 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 utility model 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 purpose of this utility model is 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 utility model 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 this utility model overall structure schematic front view.
Fig. 2 is that schematic diagram is looked on this utility model overall structure right side.
Fig. 3 is this utility model overall structure schematic top plan view.
Fig. 4 is this utility model overall structure elevational schematic view.
Fig. 5 is this utility model elastomer schematic front view.
Fig. 6 is the A-A generalized section of Fig. 5.
Fig. 7 is this utility model elastomer schematic top plan view.
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, this utility model frame-type non-fusion technology artificial vertebral body, 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 utility model, 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 utility model, not any pro forma restriction is done to this utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520541862.5U CN204814289U (en) | 2015-07-24 | 2015-07-24 | Artifical centrum of non - fusion technique of frame -type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520541862.5U CN204814289U (en) | 2015-07-24 | 2015-07-24 | Artifical centrum of non - fusion technique of frame -type |
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| Publication Number | Publication Date |
|---|---|
| CN204814289U true CN204814289U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520541862.5U Withdrawn - After Issue CN204814289U (en) | 2015-07-24 | 2015-07-24 | Artifical centrum of non - fusion technique of frame -type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104958125A (en) * | 2015-07-24 | 2015-10-07 | 天津市第四中心医院 | Artificial vertebral body of framework in non-fusion technology |
-
2015
- 2015-07-24 CN CN201520541862.5U patent/CN204814289U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104958125A (en) * | 2015-07-24 | 2015-10-07 | 天津市第四中心医院 | Artificial vertebral body of framework in non-fusion technology |
| CN104958125B (en) * | 2015-07-24 | 2016-09-28 | 天津市第四中心医院 | Frame-type non-fusion technology artificial vertebral body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |