CN105012000A - Clavicle bone plate with smooth surface and special curvature - Google Patents
Clavicle bone plate with smooth surface and special curvature Download PDFInfo
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- CN105012000A CN105012000A CN201410177865.5A CN201410177865A CN105012000A CN 105012000 A CN105012000 A CN 105012000A CN 201410177865 A CN201410177865 A CN 201410177865A CN 105012000 A CN105012000 A CN 105012000A
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- clavicle
- hone lamella
- fixed part
- angle
- nail
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Abstract
The invention provides a clavicle bone plate with smooth surface and special curvature. The clavicle bone plate is provided with a front and a back. The clavicle bone plate comprises a first fixing part, a second fixing part and a third fixing part, wherein the second fixing part is connected with the first fixing part, extends away from one side of the first fixing part and is turned over for a first angle; and the third fixing part is connected with the second fixing part, extends away from one side of the second fixing part and is turned over for a second angle, the first angle and the second angle are between 30 and 120 degrees and the turnover direction of the third fixing part is the same as that of the second fixing part. Each of the second and third fixing parts is provided with a plurality of screw holes through which bone nails penetrate, a first pressure relief groove for reducing the internal stress of the clavicle bone plate, a back with certain curvature for facilitating attachment to a clavicle, and a second pressure relief groove arranged at the tail end of the third fixing part to buffer the pressure applied to the clavicle by the clavicle bone plate.
Description
Technical field
The invention relates to a kind of clavicle hone lamella, particularly about the clavicle hone lamella of surface treated tool special curvatures.
Background technology
In human body, clavicle is positioned at the position connecting scapula and breastbone, and clavicle is the elongate bone of S sigmoid, more flat near its shape of scapula part.Different and the complex structure of the skeletal shape of partes corporis humani position, if there is injury such as fracture grade, hone lamella and nail are the holders the most often used.The recovery of general clavicular fracture or dislocation adopts fixing means, and common fixing means is: steel nail, exter-nal fixer, the straight mode such as steel plate, flexure type steel plate.
Prior art is directly locked on clavicle backbone by clavicle hone lamella, the design of existing clavicle hone lamella is comparatively mild, though being beneficial to nail is located on clavicle hone lamella, but because the key Curvature varying of clavicle is large, make existing clavicle hone lamella cannot find firm anchor point on clavicle, fixed position deviation and cause clavicle hone lamella not firm on clavicle backbone, under sufferer is engaged in any activity or clavicle recovery situation not yet completely, easily cause offset phenomena, secondary also may be caused to fracture or the distortion skew of compound position.
For solving the problem that above-mentioned existing clavicle hone lamella causes, the method solved at present is the kenel according to clavicle, produces the clavicle hone lamella with special curvatures, is beneficial to be attached at clavicle backbone.Except the clavicle hone lamella of design tool special curvatures, meanwhile, clavicle hone lamella must possess the bio-compatibility of height, good tension intensity and opposing bearing capacity, improves the service life of clavicle fixator.Further, chemical polishing or the surface treatment such as electrobrightening and surface modification program need be carried out in the surface of clavicle fixator, make the surface presentation smooth flat of clavicle fixator.
Summary of the invention
For solving the problem, the invention provides a kind of tool smooth surface and the clavicle hone lamella group of tool special curvatures, its technological means is achieved in that
Tool smooth surface and a clavicle hone lamella for tool special curvatures, have a front and a back side, described clavicle hone lamella comprises:
One first fixed part, has that multiple screw wears for a nail, multiple open-work runs through for a steel wire, and a locating hole wears for a location nail;
One second fixed part, is connected with described first fixed part, and described second fixed part is to extend away from the side of described first fixed part and to overturn one first angle, and described first angle is between 30 ° to 120 °;
One the 3rd fixed part, be connected with described second fixed part, described 3rd fixed part is to extend away from the side of described second fixed part and to overturn one second angle, described second angle is between 30 ° to 120 °, and wherein said 3rd fixed part reverses direction is identical with described second fixed part reverses direction;
Second and third fixed part described has multiple screw and wears for described nail, and one first relief groove, to reduce the internal stress of described clavicle hone lamella; And
The described back side has certain curvature, in order to being attached on a clavicle, and one second relief groove, it is arranged at the tail end of described 3rd fixed part, to cushion described clavicle hone lamella for described clavicle institute applied pressure.
Preferably, the material of described hone lamella comprises titanium-aluminium alloy.
Preferably, described first fixed part is wider than second and third fixed part described.
Preferably, described first angle is between 30 ° to 95 °.
Preferably, described second angle is between 30 ° to 95 °.
Preferably, described locating hole is oval.
Preferably, described screw has screw thread.
A kind of nail, it is applicable to clavicle hone lamella as claimed in claim 1, and it comprises:
One bizet, outer rim has a bizet screw thread, is beneficial to a screw mutually closely sealed;
One body of rod, its end is cone-shaped, and described body of rod surface has a body of rod screw thread, is beneficial to a screw mutually closely sealed.
Preferably, the pitch of described body of rod screw thread is greater than the pitch of described bizet screw thread.
Preferably, the nail and the described hone lamella that are arranged in described screw present an angle.
Preferably, described angle is greater than or less than 90 °.
Preferably, the angle of the nail axis being arranged in described hone lamella first fixed part and the nail axis being arranged in described hone lamella the 3rd fixed part is between 15 ° to 150 °.
A surface treatment method for clavicle hone lamella, its surface treatment step comprises:
Remove the reaction layer of the clavicle hone lamella be shaped, to remove surface contamination layer completely;
The internal porosity of described clavicle hone lamella and other defect are cast;
Carry out lapping and polishing, to improve the surface gloss of described clavicle hone lamella; And
Surface modification is carried out to the surface of described clavicle hone lamella, makes the surface of described clavicle hone lamella have one deck anti oxidation layer.
Preferably, the method removing reaction layer comprises sandblasting or pickling etc.
Preferably, described casting comprises hot isostatic pressing technique.
Preferably, described grinding one of in the following ways: mechanical lapping, ultrasound grinding or electrolytically and mechanically combined grinding.
Preferably, described in be finished to chemical polishing, its chemical brightening solution adopted comprises HF/HNO3 or HF/HCl of fixed proportion.
Preferably, described in be finished to electrobrightening, its electrolyte adopted is anhydrous chloride electrolyte.
Preferably, described surface modification one of in the following ways: nitrogenize, anodic oxidation or atmospheric oxidn.
Beneficial effect of the present invention:
Special curvatures is beneficial to hone lamella and is more attached at clavicle joint and clavicle backbone, and the process of smooth surface is conducive to improving bio-compatibility, to increase the service life.
Accompanying drawing explanation
Describe in detail by reference to following, above-mentioned viewpoint and advantage of the present invention can be understood quickly, and by description below and additional illustration, can easier understanding spirit of the present invention.Wherein:
Fig. 1 is the axonometric chart according to preferred embodiment display nail and clavicle hone lamella.
Fig. 2 is the axonometric chart being attached at clavicle according to preferred embodiment display clavicle hone lamella.
Fig. 3 is the exploded view according to preferred embodiment display nail and clavicle hone lamella.
Fig. 4 is the profile according to preferred embodiment display nail and clavicle hone lamella.
Fig. 5 is the opposite side axonometric chart according to preferred embodiment display nail and clavicle hone lamella.
Fig. 6 is the surface treatment flow process according to preferred embodiment display clavicle hone lamella.
Symbol description
100 clavicle hone lamella 102 first fixed part 104 second fixed parts
106 the 3rd fixed part 120 screw 1202 screw thread 122 locating holes
124 open-work 130 first relief groove 132 second relief groove 142 fronts
144 back side 20 nails 21 locate nail 22 bizet 24 screw rod
30 clavicle A axis B axis
Detailed description of the invention
Now different to the present invention embodiments is described.Following description provides the present invention specifically to implement details, makes reader thoroughly understand the practising way of these embodiments.So be familiar with person skilled in art must understanding the present invention also to carry out under the condition not possessing these details.In addition, the structure can not known some in literary composition or function are made details and are described, to avoid causing unnecessary obscuring between various embodiment, the term used in below describing is explained with the rational method of most broad sense, though its describe with the details of the present invention's specific embodiment together with use.
Consult Fig. 1 and Fig. 2, show tool smooth surface and the clavicle hone lamella axonometric chart of tool special curvatures according to preferred embodiment.Described clavicle hone lamella 100, comprise front 142 and a back side 144, the described back side 144 is attached at clavicle 30 on the surface.Described clavicle hone lamella 100 comprises: one first fixed part 102,1 second fixed part 104 and one the 3rd fixed part 106, the both sides of described second fixed part 104 are connected with described 3rd fixed part 106 with described first fixed part 102 respectively, sequentially integrally formed.
Described first fixed part 102 has multiple screw 120 and wears for a nail 20, and described screw 120 is alternately; Described first fixed part 102 has multiple open-work 124, runs through for a steel wire; Described first fixed part 102 comprises a locating hole 122, wears, find firm anchor point, make the fixed effect of described clavicle hone lamella 100 better by described locating hole 122 for a location nail 21.It is oval that most preferred embodiment shows described locating hole 122.
Described second fixed part 104, be connected with described first fixed part 102, described second fixed part 104 is to extend away from the side of described first fixed part 102 and to overturn one first angle, described first angle is between 30 ° to 120 °, and most preferred embodiment shows the first angle between 30 ° to 95 °.
Described 3rd fixed part 106, be connected with described second fixed part 104, to extend away from the side of described second fixed part 104 and to overturn one second angle, described second angle is between 30 ° to 120 °, and most preferred embodiment shows the second angle between 30 ° to 95 °; Second and third fixed part 104,106 described has multiple screw 120 and wears for a screw 20.
Described first fixed part 102 is than described second and third fixed part 104,106 wide, and namely described first fixed part 102 is comparatively large with clavicle 30 contact area, is beneficial to described first fixed part 102 and is attached at clavicle 30 joint, make the attaching effect of described clavicle hone lamella 100 better.In this embodiment, described second fixed part 104 is overturn a certain angle to direction, the same side with the 3rd described fixed part 106.
The inner surface of described screw 120 has screw thread 1202, and described screw thread 1202 comprises single thread, two screw thread or three screw threads etc.The both sides of described clavicle hone lamella 100 longer sides, have the first relief groove 130 of identical number respectively, and when described clavicle hone lamella 100 is locked on clavicle 30, described first relief groove 130 can reduce the internal stress that described clavicle hone lamella 100 produces.Most preferred embodiment shows, first relief groove 130 is between screw 120 and screw 120, and between screw 120 and locating hole 122, the number of the first relief groove 130 and the number onrelevant of screw 120 and open-work 124, the number of screw 120 is determined according to sufferer demand, such as: generally speaking, boy student's clavicle is longer than schoolgirl clavicle, and the screw number for the clavicle fixator of male patient is greater than the screw number needed for women's sufferer.Have one second relief groove at the tail end at the described 3rd fixed part back side, described in its available buffer, clavicle hone lamella imposes on the pressure of clavicle, and can reduce the blood vessel that described clavicle hone lamella is directly urged to clavicle surface, improves the recovery speed of impaired clavicle.
Consult Fig. 3 and Fig. 4, according to the schematic diagram of preferred embodiment display nail.One nail 20 comprises bizet 22 and a body of rod 24.The outer rim of described bizet 22 has bizet screw thread, is beneficial to screw 120 mutually closely sealed; The described body of rod 24, its end is cone-shaped, and the described body of rod 24 surface has body of rod screw thread, is beneficial to the screw thread 1202 of screw 120 mutually closely sealed.The pitch of described body of rod screw thread is the spacing being greater than bizet screw thread, contributes to firm.Described nail 20 also comprises a location nail 21, with mutually closely sealed with described locating hole 122.Described nail 20 is arranged in described screw 120 and described locating hole 122 respectively with described location nail 21, the wherein said body of rod 24 wears and protrudes from described clavicle hone lamella 100, the part protruded can be locked in clavicle 30, described clavicle hone lamella 100 more can be stablized and be locked on clavicle 30.
Consult Fig. 5, the angle that described nail 20 runs through is not a right angle with described hone lamella 100, because first, second and third fixed part described has different curvature, makes described nail 20 present different angles from each fixed part of described hone lamella 100.In addition, if the axis being screwed together in the screw of the first fixed part 102 is A, the screw axis being screwed together in the 3rd fixed part 106 is B, and the angle of axis A and axis B is θ, then θ is between 15 °-150 °.The screw 120 that described nail 20 is screwed together in described clavicle hone lamella 100 presents interlaced arrangement, except strengthening the stationarity of described clavicle hone lamella, also can reduce the displacement of described clavicle hone lamella 100.
For making clavicle hone lamella 100 possess high biological compatibility, good tension intensity and opposing bearing capacity, the material of clavicle hone lamella 100 of the present invention adopts titanium-aluminium alloy, to increase the service life, but not as limit.For making the surface presentation smooth flat of clavicle hone lamella 100, then need to carry out the following step: remove the steps such as the reaction layer of titanium, defect processing, grinding and polishing and surface modification, consult Fig. 6:
Step 402: the reaction layer removing the clavicle hone lamella 100 be shaped, to remove surface contamination layer completely.Remove the reaction layer of titanium and can adopt sandblasting or pickling, usual pickling can the reaction layer of quick and complete removal titanium, and pickle comprises a certain proportion of HF/HNO3 or HF/HCl.Most preferred embodiment adopts pickling to remove reaction layer.
Step 404: the internal porosity of described clavicle hone lamella 100 and other defect are cast.Casting such as can to adopt at the hot static pressure technology.
Step 406: carry out lapping and polishing, to improve the surface gloss of described clavicle hone lamella 100.Grinding can be mechanical lapping, ultrasound grinding or electrolytically and mechanically combined grinding etc., and most preferred embodiment adopts ultrasound grinding.Polishing comprises chemical polishing or electrobrightening (electrochemical polish) etc., and wherein chemical polishing is the redox reaction utilizing chemical mediator, and leveling polishing is carried out on the surface for polishing object; Electrobrightening be impregnated in special electrolyte by wish polishing object to be energized, and obtains smooth surface for polishing object because of electrochemical dissolution effect.Most preferred embodiment adopts chemical polishing to improve surface gloss.
Step 408: surface modification is carried out on the surface of last step to described clavicle hone lamella 100, can make the surface of described clavicle hone lamella 100 have one deck anti oxidation layer.Such as nitrogenize (forming golden yellow TiN layer on the surface in titanium) or atmospheric oxidn, titanium surface like this is except having smooth surface, and surface also has one deck anti oxidation layer simultaneously.
To those of ordinary skill in the art, though the present invention illustrates as above with preferred embodiments, so itself and be not used to limit spirit of the present invention.Not departing from the amendment and similar configuration done in spirit of the present invention and scope, all should be included in the claims, this scope should cover all similar amendments and similar structures, and should do the broadest annotation.
Claims (19)
1. tool smooth surface and a clavicle hone lamella for tool special curvatures, have a front and a back side, it is characterized in that, described clavicle hone lamella comprises:
One first fixed part, has that multiple screw wears for a nail, multiple open-work runs through for a steel wire, and a locating hole wears for a location nail;
One second fixed part, is connected with described first fixed part, and described second fixed part is to extend away from the side of described first fixed part and to overturn one first angle, and described first angle is between 30 ° to 120 °;
One the 3rd fixed part, be connected with described second fixed part, described 3rd fixed part is to extend away from the side of described second fixed part and to overturn one second angle, described second angle is between 30 ° to 120 °, and wherein said 3rd fixed part reverses direction is identical with described second fixed part reverses direction;
Second and third fixed part described has multiple screw and wears for described nail, and one first relief groove, to reduce the internal stress of described clavicle hone lamella; And
The described back side has certain curvature, in order to being attached on a clavicle, and one second relief groove, it is arranged at the tail end of described 3rd fixed part, to cushion described clavicle hone lamella for described clavicle institute applied pressure.
2. clavicle hone lamella according to claim 1, is characterized in that: the material of described hone lamella comprises titanium-aluminium alloy.
3. clavicle hone lamella according to claim 1, is characterized in that: described first fixed part is wider than second and third fixed part described.
4. clavicle hone lamella according to claim 1, is characterized in that: described first angle is between 30 ° to 95 °.
5. clavicle hone lamella according to claim 1, is characterized in that: described second angle is between 30 ° to 95 °.
6. clavicle hone lamella according to claim 1, is characterized in that: described locating hole is oval.
7. clavicle hone lamella according to claim 1, is characterized in that: described screw has screw thread.
8. a nail, it is applicable to clavicle hone lamella as claimed in claim 1, it is characterized in that: comprising:
One bizet, outer rim has a bizet screw thread, is beneficial to a screw mutually closely sealed;
One body of rod, its end is cone-shaped, and described body of rod surface has a body of rod screw thread, is beneficial to a screw mutually closely sealed.
9. nail according to claim 8, is characterized in that: the pitch of described body of rod screw thread is greater than the pitch of described bizet screw thread.
10. nail according to claim 8, is characterized in that: the nail and the described hone lamella that are arranged in described screw present an angle.
11. nails according to claim 10, is characterized in that: described angle is greater than or less than 90 °.
12. nails according to claim 11, is characterized in that: the angle of the nail axis being wherein arranged in described hone lamella first fixed part and the nail axis being arranged in described hone lamella the 3rd fixed part is between 15 ° to 150 °.
The surface treatment method of 13. 1 kinds of clavicle hone lamellas as described in any one of claim 1 to 7, is characterized in that: its surface treatment step comprises:
Remove the reaction layer of the clavicle hone lamella be shaped, to remove surface contamination layer completely;
The internal porosity of described clavicle hone lamella and other defect are cast;
Carry out lapping and polishing, to improve the surface gloss of described clavicle hone lamella; And
Surface modification is carried out to the surface of described clavicle hone lamella, makes the surface of described clavicle hone lamella have one deck anti oxidation layer.
14. surface treatment methods according to claim 13, is characterized in that: the method wherein removing reaction layer comprises sandblasting or pickling.
15. surface treatment methods according to claim 13, is characterized in that: described casting comprises hot isostatic pressing technique.
16. surface treatment methods according to claim 13, is characterized in that: described grinding one of in the following ways: mechanical lapping, ultrasound grinding or electrolytically and mechanically combined grinding.
17. surface treatment methods according to claim 13, is characterized in that: described in be finished to chemical polishing, its chemical brightening solution adopted comprises HF/HNO3 or HF/HCl of fixed proportion.
18. surface treatment methods according to claim 13, is characterized in that: described in be finished to electrobrightening, its electrolyte adopted is anhydrous chloride electrolyte.
19. surface treatment methods according to claim 13, is characterized in that: described surface modification one of in the following ways: nitrogenize, anodic oxidation or atmospheric oxidn.
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| CN201410177865.5A CN105012000A (en) | 2014-04-29 | 2014-04-29 | Clavicle bone plate with smooth surface and special curvature |
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| CN201410177865.5A CN105012000A (en) | 2014-04-29 | 2014-04-29 | Clavicle bone plate with smooth surface and special curvature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107126251A (en) * | 2017-06-01 | 2017-09-05 | 江苏百易得医疗科技有限公司 | A kind of clavicle remote lock fixed board |
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