CN105520771A - Reverse clamping-stop type implant with micro-motion bone stimulation - Google Patents
Reverse clamping-stop type implant with micro-motion bone stimulation Download PDFInfo
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- CN105520771A CN105520771A CN201410509568.6A CN201410509568A CN105520771A CN 105520771 A CN105520771 A CN 105520771A CN 201410509568 A CN201410509568 A CN 201410509568A CN 105520771 A CN105520771 A CN 105520771A
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Abstract
The invention provides a reverse clamping-stop type implant with micro-motion bone stimulation. The reverse clamping-stop type implant comprises a body, a tooth surface is formed in the outer surface of the body, a hollow space is formed inside the body, and the body is provided with at least two elastic clamping fixation units in a split manner oppositely to the hollow space so as to form a fixing frame structure. Each elastic clamping fixation unit comprises one or more elastic clamping plates, and each elastic clamping plate is provided with a connecting end and a free end, wherein the connecting end is opposite to the first end and is connected with the body, and the free end is opposite to the second end. Each free end projects over the outer surface of a fixing frame of the body, and a motional reverse clamping fixation portion with micro-motion bone stimulation, which is in the shape of a convex surface with the higher front, is formed between each connecting end and the corresponding free end. Thus, the reverse clamping-stop type implant with micro-motion bone stimulation has the advantages that the motional reverse clamping fixation portions can butt against different vertebral bodies or small joints along with shape change of the inner surfaces of the vertebral bodies or small joints to generate micro-motion so as to simulate hyperostosis of the vertebral bodies or small joints, and can achieve excellent reverse clamping fixation effect to enable the implant to be positioned at an implanting position stably without shedding possibility.
Description
Technical field
The present invention relates to a kind of implant, a kind ofly especially produce the bone regeneration that fine motion stimulates vertebral body, Minor articulus, better reverse fixing effect can be reached again and make more strong fix in the implant of implantation place without the misgivings of deviating from.
Background technology
Press, cause uncomfortable problem for solving vertebra or Minor articulus degeneration pathological changes with age or other external force at present, common system implements fusion of bone and solves.
Such as TaiWan, China announces I439252 intervertebral implant and implanting device Patent Case thereof; As shown in Figure 3, between adjacent two vertebraes 30 of implantation, its opening 12 can be pulled by adjacent two vertebraes 30 and be pressed off conjunction, must compel Zhang Caineng strut adjacent two vertebraes 30 to preset pitch by keeper 152 pushing tow.Thus, except increase element cost, surgical operation step, after this body 11 is implanted to predetermined tram, only press by adjacent two vertebraes 30, system is in the state of not being completely fixed, thus when keeper 152 moves displacement by pivoting lever 22 toward expanded bore 151 spiral shell, this body 11 is easily pushed and departs from tram and produce skew, causes must to readjust or implantation etc. increases the operation shortcoming such as degree of difficulty and time and exists.
In addition, according to Wolff law (Wolff'slaw), the function of skeleton is the mechanical strain of bearing osseous tissue between active stage.Namely skeleton has the ability adapting to these function needs.Also say, as long as stimulate when skeleton is subject to external force, no matter be tension force or pressure, its skeleton all can increase and hypertrophy along with the strength of required burden.But aforementioned existing body 11 is in a fixed structure after supporting two vertebraes 30 via keeper 152 packing, thus cannot produce bone stimulation to vertebra inner surface when physical activity, so that bone regeneration efficiency is not good at all.
Summary of the invention
In view of this, the present inventor is active development research, phase can be created one and can be promoted that bone regeneration accelerated bone merges, and can omit again keeper, control stick structure and turn and support step, and effectively simplifies element and save the more convenient and more firmly implant of manufacturing cost, operating time, installation.
Main purpose of the present invention, tie up in providing one can change contact with different vertebral body or Minor articulus inner surface configuration, with produce fine motion stimulate vertebral body or Minor articulus effectively to promote bone regeneration accelerates bone-graft fusion, better reverse fixing effect can be reached again and make more strong fix in the implant of implantation place without the misgivings of deviating from.
An of the present invention object, ties up in providing one not need by means of helping any element automatically can produce stage reverse fixing, effectively simplifies element, simplifies operating procedure and installs more convenient quick firmly implant.
Another object of the present invention, ties up in providing a kind of tool multistage reverse fixing, fixes the more firm implant in location to make.
For achieving the above object, the technical solution used in the present invention is:
The reverse locking implant that a kind of tool fine motion bony spur swashs, it is characterized in that: it at least comprises a body, the first end and one with an implantation direction differs from the second end implanting direction, this body interior has a hollow space, this body this hollow space relative is cutd open and is established at least two elasticity blocking units, this body is made to form a stationary frame structure, each elastic card stop element at least has an elasticity clamp, each elasticity clamp has an opposite first end to link the connecting end of body, and the free end of opposed second ends, each free end protrudes from body fixed frame outer surface, with by the reverse holding division of activity forming a low early and high after convex-shaped between connecting end and free end, and this movable reverse holding division outer surface is convexly equipped with serrated face, to be abutted against by the inner surface configuration change of the reverse holding division of each activity with different vertebral body or Minor articulus, vertebral body or skeleton hypertrophy is stimulated to produce fine motion.
In the reverse locking implant that described tool fine motion bony spur swashs, each living spring blocking unit and this body by integral forming.
In the reverse locking implant that described tool fine motion bony spur swashs, this body and each elasticity blocking unit are by titanium, tantalum, cobalt, chromium, rustless steel, liquid metal, titanium metal material, and PEEK, PEKK, PU, PE, CarbonFiber, PVC, PC, PP macromolecular material unlike material coupling is made.
In the reverse locking implant that described tool fine motion bony spur swashs, this body is a flat cuboid, at least there is a relative upper surface and a lower surface, on this upper surface and lower surface relative interior hollow space cut open the two elasticity blocking units establishing formation to be oppositely disposed up and down respectively with profile groove, and each free end protrudes from upper surface and a lower surface respectively, with by the reverse holding division of activity forming a low early and high after convex-shaped between connecting end and free end.
In the reverse locking implant that described tool fine motion bony spur swashs, this body is the long column body on a cylinder or at least three limits, this bar shape body interior has axial hollow space, the relative hollow space of this body cuts open the complex elastic blocking unit established and form spaced radial configuration with profile groove, and each free end protrudes from cartridge outer surface respectively, with by the reverse holding division of activity forming a low early and high after convex-shaped between connecting end and free end.
Described tool fine motion bony spur swash reverse locking implant in, the ditch line of this profile groove is broached-tooth design, with make each elasticity clamp displacement top pull vertebral body or skeleton more steady.
In the reverse locking implant that described tool fine motion bony spur swashs, each elasticity blocking unit at least comprises the elasticity clamp composition of more than or two, this elasticity clamp of more than one or two is cutd open to establish by profile groove and is formed, and each elasticity clamp is contour or not contour, wide or not wide, isometric or Length discrepancy configuration.
In the reverse locking implant that described tool fine motion bony spur swashs, this second end is provided with the through hole being communicated with hollow space, the outer of each elasticity blocking unit opposing through-bores is convexly equipped with the first protuberance mated with implanting instrument, and be relatively provided with between adjacent two elasticity clamps can relatively against the interlinked mechanism of interlock, this interlinked mechanism comprises the short slot and the second protuberance of being located at adjacent two elasticity clamps, each short slot lower end forms a shoulder, each second protuberance is located at first by the elasticity clamp pressed, with can against the shoulder of the short slot of adjacent spring clamp by this second protuberance, and make adjacent two elasticity clamps formed interlocks inwardly hollow space displacement inside contract, implant is made to implant smoothly or take out.
So, the present invention utilizes body to form a fixed frame strengthening supporting construction, and the reverse holding division of each activity of low early and high after convex-shaped can with different vertebral body or Minor articulus inner surface configuration change contact, when making physical activity, the reverse holding division of each activity can produce fine motion friction (bony spur swashs) each vertebral body or Minor articulus inner surface automatically, to promote that bone regeneration accelerates bone-graft fusion effect, have again that effect is simplified element, simplified operating procedure, cost is low and the reverse fixing of tool more strong fix without advantages such as the misgivings come off.
Accompanying drawing explanation
Fig. 1 the present invention implants the schematic diagram between Minor articulus;
Fig. 2 the present invention implants can with the schematic diagram of different vertebral body inner surface bent arc change contact between two vertebral bodys;
The schematic perspective view of the flat rectangle of Fig. 3 the present invention generally in D shape;
Fig. 4 profile groove ditch of the present invention line is broached-tooth design schematic diagram;
The schematic diagram of Fig. 5 side elevational cross-section of the present invention;
The schematic diagram of Fig. 6 fine motion massage of the present invention (bony spur swashs) vertebral body inner surface;
Another embodiment schematic diagram of Fig. 7 strip of the present invention;
Fig. 8 complex elastic clamp of the present invention is internal and external partition configuration schematic diagram;
Fig. 9 complex elastic clamp of the present invention is between left and right every configuration schematic diagram;
Figure 10 the present invention is columned schematic perspective view;
The side elevational cross-section schematic diagram of Figure 11 Figure 10 of the present invention;
The radial section schematic diagram of Figure 12 Figure 10 of the present invention;
The schematic diagram that the displacement of Figure 13 Figure 10 of the present invention each elasticity clamp inside contracts;
Figure 14 the present invention is the schematic perspective view of triangular shape cylinder.
10,40,10A implant description of reference numerals:; 11 bodies; 12 upper surfaces; 13 lower surfaces; 14 first ends; 15 the second ends; 16 hollow space; 17 through holes; 20 elasticity blocking units; 19 merge hole; A, B, C, D profile groove; 30 vertebral bodys; 21,22,21a, 22a, 23a elasticity clamp; 211,221 connecting ends; 212,222 free ends; 213 movable reverse holding divisions; 50 implants; 51 bodies; 52 hollow space; 53 through holes; 60 elasticity blocking units; 61,62,63 elasticity clamps; 64 first protuberances; 623,633 short slots; 614,624 second protuberances; 625,635 shoulders; 70 triangular shape long column bodies.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, system the invention provides a kind of being implanted between vertebral body facet joint or the implant 40 at position such as between two vertebral bodys, 10, refer to shown in the 2 to 6 figure, to implant two interpyramidal implants 10, this implant 10 is formed in one, it at least comprises the body 11 of a flat rectangle generally in D shape, this body 11 has the upper surface 12 and a lower surface 13 that are provided with occlusion serrated face, and have one and relatively implant the first end 14 and in direction compared with away from the second end 15 implanting direction, this first end 14 is form tool gradually-reducing shape or arc-shaped, implant between two vertebral bodys 30 easily to guide implant fast, this body 11 inside has a hollow space 16, this upper surface 12 and the relative hollow space 16 of this lower surface 13 can be cutd open by U-shaped profile groove A and establish two elasticity blocking units 20 opposing upper and lower, to form a stationary frame structure by body 11, and each elasticity blocking unit 20 can by one or more (as Fig. 8, 9) elasticity clamp 21 forms, each elasticity clamp 21 has an opposite first end 14 with the free end 212 of the connecting end 211 and an opposed second ends 15 that link body 11, each free end 212 is upper surface 12 above this body 11 and lower surface 13, an elasticity extratensive type state is kept under making each elasticity blocking unit 20 normality, with by the reverse holding division 213 of activity forming a low early and high after convex-shaped between this connecting end 211 and this free end 212, make the reverse holding division of each activity 213 by again can towards the reverse clamping structure of hollow space 16 elastic deformation during external force.
Shown in Fig. 4, the ditch line of this U-shaped profile groove B can be a broached-tooth design, can prevent left and right skew from occurring to make during each elasticity holding division 20 (elasticity clamp 21) displacement.In addition, implant 10 of the present invention does not limit aforementioned general in D shape profile, and in fact visual installation position its shape of Demand Design, such as, shown in Fig. 7, implant 10A of the present invention is for shown in strip appearance and modeling, such as Figure 10, and implant 50 of the present invention is cylindroid appearance and modeling.
As shown in Figure 4, the second end 15 of body 11 of the present invention is provided with a connection hollow space 16 inwardly by end face can for the through hole 17 of implanting instrument coupling, and this through hole 17 can be shrinkage pool or Screw hole structure.In the middle of each elasticity blocking unit 20 and body 11 outer and provided and merge hole 19 and communicate with hollow space 16, carry out bone fusion for autologous bone or artificial bone or other implants.
Implant or take out operation, as shown in Figure 2, the present invention because of this movable reverse holding division 213 be form the reverse clamping structure of low early and high after convex-shaped, namely the connecting end 211 implanting end is positioned at lower, and the free end 212 being positioned at outside is higher, be with, the reverse holding division 213 of each activity can inside contract by two vertebral bodys 30 pressure of pulling when implanted, and body 11 can be utilized after being implanted to tram to form a fixed frame two vertebral bodys 30 are supported fixing, reverse fixing can be given to each vertebral body 30 inner surface by appliance for releasing single with each activity reverse holding division 213 making each elasticity clamp 21 be positioned at outside body 11, the reverse holding division of each activity 213 is by the multistage reverse fixing effect of sawtooth appearance mask again, to make location more firm.The present invention does not need can be reached better reverse fixing more fixedly positioning misgivings without deviating from by any element of compeling.Especially body 11 of the present invention is for having the stationary frame structure of strengthening support force, body 11 can be utilized after making implantation to maintain two vertebral body normal level and to carry out firm vertebral body, and make the reverse holding division of each activity 213 with different vertebral body 30 inner surface configuration change contact, and certain contact contact area can be maintained with vertebral body 30 inner surface.When physical activity, the reverse holding division of each activity 213 can produce fine motion friction stimulates each vertebral body 30 inner surface (bony spur swashs), to promote the benefit that bone regeneration accelerated bone merges, as shown in Figure 6, and effectively simplify element, simplify operating procedure, low cost and other advantages.
As shown in Figure 8, each elasticity holding division 20 of the present invention is made up of the elasticity clamp of two or more, and namely each elasticity holding division 20 can be cutd open by U-shaped profile groove A and be provided with two elasticity clamps 21,22 and forms the configuration of ectonexine interval.Or as shown in Figure 9, each elasticity holding division 20 is set as three elasticity clamps 21a, 22a, 23a is formed between left and right every being arranged by generally cuing open in W shape profile groove C, and this is for illustrating, when not limitting this configuration mode.As shown in Figure 8, each elasticity clamp 21,22 has an opposite first end 14 to link body 11 or to link the free end 212,222 of connecting end 211, a 221 and opposed second ends 15 of adjacent spring clamp, the free end 212,222 of each elasticity clamp 21,22 protrusion body 11 can be not contour configuration and forms a multistage reverse clamping structure again, fastens capability more to strengthen it.In addition, each elasticity clamp 21,22 also can form contour, wide or not wide, isometric or Length discrepancy structural allocation.
In addition, each elasticity clamp 21,22 of body 11 of the present invention and each elasticity blocking unit 20, can be mated by metal or macromolecule unlike material and make, this metal material is as metal materials such as titanium, tantalum, cobalt, chromium, rustless steel, liquid metal, nickel, titaniums, and this macromolecule material is as plastic materials such as PEEK, PEKK, PU, PE, CarbonFiber, PVC, PC, PP.
As shown in the 10 to 13 figure, the body 51 of implant 50 of the present invention is the long column body (as Figure 14 triangular shape cylinder) on a cylinder or at least three limits, its structure is held roughly as hereinbefore and is not repeated, its difference is: this cylindrical body 51 relative interior hollow space 52 is cutd open and established multiple elasticity blocking unit 60 to protrude the configuration of body 51 outer surface formation spaced radial, and each elasticity blocking unit 60 can be made up of one or more elasticity clamp equally, namely also each elasticity blocking unit 60 cuts open setting tool with profile groove D and has multiple elasticity clamp 61, 62, 63 form ectonexine interval configuration composition, or be spaced about being formed as shown in Figure 9, and each elasticity clamp 61, 62, 63 equally also can be formed contour or not contour, wide or not wide, isometric or Length discrepancy configures, and reach with aforementioned identical effect.
For Figure 11, when each elasticity blocking unit 60 is made up of complex elastic clamp 61,62,63, it is convexly equipped with first protuberance 64 mated with implanting instrument near each elasticity clamp 61 of through hole 53, and between adjacent two elasticity clamps 61,62,63, being provided with an interlinked mechanism, this interlinked mechanism comprises
At adjacent each elasticity clamp 61, 62, short slot 623 is relatively provided with between 63, 633 and second protuberance 614, 624, wherein, each second protuberance 614, 624 are located at adjacent elder generation by the elasticity clamp 61 of pressure of pulling, 62, and each short slot 623, 633 lower ends form a shoulder 625, 635 for each second protuberance 614, 624 against, with make the clamping outermost layer of implanting instrument pulled at first pressure each elasticity clamp 61 each first protuberance 64 inside contract time, can by each second protuberance 614 of opposite side, 624 against shoulder 625, 635 pull presses the adjacent each elasticity clamp 62 of synchronous drive internal layer, 63 synchronously move in hollow space 52, implant smoothly in order to implant 50 or take out.
In sum, the present invention is not seen before really, and has above-mentioned advantage, is the height innovation in a technical concept, then can be various different conversion implement as implant outward appearance or shape or structure.So no matter how the outward appearance of this implant or shape or structure change, also all will belong to category of the present invention, and the protection of intellectual property should be subject to.
Claims (8)
1. the reverse locking implant that a tool fine motion bony spur is sharp, it is characterized in that: it at least comprises a body, the first end and one with an implantation direction differs from the second end implanting direction, this body interior has a hollow space, this body this hollow space relative is cutd open and is established at least two elasticity blocking units, this body is made to form a stationary frame structure, each elastic card stop element at least has an elasticity clamp, each elasticity clamp has an opposite first end to link the connecting end of body, and the free end of opposed second ends, each free end protrudes from body fixed frame outer surface, with by the reverse holding division of activity forming a low early and high after convex-shaped between connecting end and free end, and this movable reverse holding division outer surface is convexly equipped with serrated face, to be abutted against by the inner surface configuration change of the reverse holding division of each activity with different vertebral body or Minor articulus, vertebral body or skeleton hypertrophy is stimulated to produce fine motion.
2. the reverse locking implant that tool fine motion bony spur as claimed in claim 1 is sharp, is characterized in that, each living spring blocking unit and this body by integral forming.
3. the reverse locking implant that tool fine motion bony spur as claimed in claim 1 is sharp, it is characterized in that, this body and each elasticity blocking unit are by titanium, tantalum, cobalt, chromium, rustless steel, liquid metal, titanium metal material, and PEEK, PEKK, PU, PE, CarbonFiber, PVC, PC, PP macromolecular material unlike material coupling is made.
4. the reverse locking implant that tool fine motion bony spur as claimed in claim 1 is sharp, it is characterized in that, this body is a flat cuboid, at least there is a relative upper surface and a lower surface, on this upper surface and lower surface relative interior hollow space cut open the two elasticity blocking units establishing formation to be oppositely disposed up and down respectively with profile groove, and each free end protrudes from upper surface and a lower surface respectively, with by the reverse holding division of activity forming a low early and high after convex-shaped between connecting end and free end.
5. the reverse locking implant that tool fine motion bony spur as claimed in claim 1 is sharp, it is characterized in that, this body is the long column body on a cylinder or at least three limits, this bar shape body interior has axial hollow space, the relative hollow space of this body cuts open the complex elastic blocking unit established and form spaced radial configuration with profile groove, and each free end protrudes from cartridge outer surface respectively, with by the reverse holding division of activity forming a low early and high after convex-shaped between connecting end and free end.
6. the reverse locking implant that swashs of tool fine motion bony spur as claimed in claim 1, it is characterized in that, the ditch line of this profile groove is broached-tooth design, with make each elasticity clamp displacement top pull vertebral body or skeleton more steady.
7. the reverse locking implant that tool fine motion bony spur as claimed in claim 1 is sharp, it is characterized in that, each elasticity blocking unit at least comprises the elasticity clamp composition of more than or two, this elasticity clamp of more than one or two is cutd open to establish by profile groove and is formed, and each elasticity clamp is contour or not contour, wide or not wide, isometric or Length discrepancy configuration.
8. the reverse locking implant that tool fine motion bony spur as claimed in claim 7 is sharp, it is characterized in that, this second end is provided with the through hole being communicated with hollow space, the outer of each elasticity blocking unit opposing through-bores is convexly equipped with the first protuberance mated with implanting instrument, and be relatively provided with between adjacent two elasticity clamps can relatively against the interlinked mechanism of interlock, this interlinked mechanism comprises the short slot and the second protuberance of being located at adjacent two elasticity clamps, each short slot lower end forms a shoulder, each second protuberance is located at first by the elasticity clamp pressed, with can against the shoulder of the short slot of adjacent spring clamp by this second protuberance, and make adjacent two elasticity clamps formed interlocks inwardly hollow space displacement inside contract, implant is made to implant smoothly or take out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410509568.6A CN105520771B (en) | 2014-09-28 | 2014-09-28 | Has the sharp reverse locking implant of fine motion spur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410509568.6A CN105520771B (en) | 2014-09-28 | 2014-09-28 | Has the sharp reverse locking implant of fine motion spur |
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| Publication Number | Publication Date |
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| CN105520771A true CN105520771A (en) | 2016-04-27 |
| CN105520771B CN105520771B (en) | 2018-04-10 |
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| CN201410509568.6A Active CN105520771B (en) | 2014-09-28 | 2014-09-28 | Has the sharp reverse locking implant of fine motion spur |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002076335A2 (en) * | 2001-03-27 | 2002-10-03 | Michelson Gary K | Radially expanding interbody spinal fusion implants and instrumentation for insertion thereof |
| US20070225810A1 (en) * | 2006-03-23 | 2007-09-27 | Dennis Colleran | Flexible cage spinal implant |
| TWI306022B (en) * | 2007-01-18 | 2009-02-11 | Chong Kuang Yang | |
| TWI439252B (en) * | 2011-06-03 | 2014-06-01 | Montjade Engineering Co Ltd | Intervertebral implant and implant device |
| CN104027189A (en) * | 2013-03-07 | 2014-09-10 | 陈桂蓉 | Staged supporting vertebral body fixing part |
-
2014
- 2014-09-28 CN CN201410509568.6A patent/CN105520771B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002076335A2 (en) * | 2001-03-27 | 2002-10-03 | Michelson Gary K | Radially expanding interbody spinal fusion implants and instrumentation for insertion thereof |
| US20070225810A1 (en) * | 2006-03-23 | 2007-09-27 | Dennis Colleran | Flexible cage spinal implant |
| TWI306022B (en) * | 2007-01-18 | 2009-02-11 | Chong Kuang Yang | |
| TWI439252B (en) * | 2011-06-03 | 2014-06-01 | Montjade Engineering Co Ltd | Intervertebral implant and implant device |
| CN104027189A (en) * | 2013-03-07 | 2014-09-10 | 陈桂蓉 | Staged supporting vertebral body fixing part |
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| CN105520771B (en) | 2018-04-10 |
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