CN102697544A - Interspinous dynamic stabilizing device - Google Patents
Interspinous dynamic stabilizing device Download PDFInfo
- Publication number
- CN102697544A CN102697544A CN2011100759121A CN201110075912A CN102697544A CN 102697544 A CN102697544 A CN 102697544A CN 2011100759121 A CN2011100759121 A CN 2011100759121A CN 201110075912 A CN201110075912 A CN 201110075912A CN 102697544 A CN102697544 A CN 102697544A
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- China
- Prior art keywords
- fixture
- spinous process
- stabilization device
- plate
- dynamic stabilization
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
Abstract
The invention discloses an interspinous dynamic stabilizing device, which comprise a main body structure, a first fixing piece and a second fixing piece, wherein the main body structure consists of two M-shaped elastic foldable plates of which the openings are opposite and symmetric to each other; the first fixing piece consists of a pair of opposite fixing plates which are fixed on one sides of the two M-shaped elastic foldable plates of the main body structure and are vertical to the opening directions of the M-shaped elastic foldable plates; and the second fixing piece consists of another pair of opposite fixing plates which are fixed on the other sides of the two M-shaped elastic foldable plates of the main body structure and are vertical to the opening directions of the M-shaped elastic foldable plates. According to interspinous dynamic stabilizing device disclosed by the invention, the main body structure consisting of two M-shaped foldable plates of which the opening are opposite and symmetric to each other is adopted, so that elastic performance changing in the form of a fold line is provided for the device, the normal activity of vertebral columns can be kept through the elastic performance changing in the form of a fold line, and excessive movement of the vertebral columns is limited, i.e., the normal activity of the vertebral columns can be retained in a high-obliqueness area, and the excessive movement of the vertebral columns is limited in a low-obliqueness area.
Description
Technical field
The present invention relates to spinal column orthopaedics inner matter technical field, particularly relate to dynamic stabilization device between a kind of spinous process.
Background technology
When intervertebral disc degeneration or slippage of little joint or regression, can cause intervertebral height to be lost, rear structure is unstable; Thereby cause intervertebral foramina and vertebral foramen narrow; And this narrow spinal nerves or the nerve root of can oppressing causes symptoms such as patient's lumbago and skelalgia, numbness, has a strong impact on patient's quality of life.
On addressing this problem, known method is medical expectant treatment.This method is intended to control disease, like pain, numbness etc., but not corrects to deal with problems.For some patients, need long periods of treatment, also just meaning needs the life-time service analgesic, may cause not good or other adverse side effect of the mental status of patient.
Another kind of known method is to merge between intervertebral fusion or spinous process, can keep intervertebral height like this, reduces the pressure of neuromechanism.When carrying out between intervertebral fusion or spinous process fusion, can adopt fusion device, various tabular device and pedicle screw system to fix.Yet the relative fixed of the sections that fusion causes can cause stress to be concentrated to contiguous vertebral body, has especially increased the weight of the load of adjacent vertebral bodies; Simultaneously, the mobility forfeiture of merging sections causes the range of activity of adjacent segment to increase, and merges the mobility of sections with compensation, thereby causes the biomechanics environmental abnormality of neighbouring section, and the change of biomechanics environment has finally caused the neighbouring section regression.
Therefore, spinal surgeons and researcher have begun one's study, and more advanced person's surgical technic and spinal stabilization apparatus are treated intervertebral disc degeneration or articular process regression.Dynamic stabilization device between recently existing multiple spinous process, these devices can be implanted between two or more adjacent spinous, are used for eliminating pressure and prevent that the state of an illness from increasing the weight of.But these devices also far can not reach operating requirement keeping the normal mobility of spinal column, preventing the performance aspect the spinal column hyperkinesia.
Summary of the invention
In view of this, the present invention provides dynamic stabilization device between a kind of novel spinous process, realizes better keeping the normal mobility of spinal column, preventing the spinal column hyperkinesia, and technical scheme is following:
Dynamic stabilization device between a kind of spinous process comprises: agent structure, first fixture and second fixture, wherein:
Relative and the symmetric M type elasticity plate that turns back constitutes said agent structure by two openings;
Said first fixture is made up of a pair of plate that is relatively fixed, and is fixed on a turn back side of plate of two M types of said agent structure elasticity, and vertical with the turn back opening direction of plate of said M type elasticity;
Said second fixture is made up of the plate that is relatively fixed another, is fixed on the turn back opposite side of plate of two M types of said agent structure elasticity, and vertical with the turn back opening direction of plate of M type elasticity.
Preferably, in the dynamic stabilization device, said first fixture and said second fixture are symmetrical between above-mentioned spinous process.
Preferably, between above-mentioned spinous process in the dynamic stabilization device, the said M type elasticity plate flex point position of turning back is the arc transition structure.
Preferably, between above-mentioned spinous process in the dynamic stabilization device, the turn back arc transition structure of flex point in the middle of the plate of said M type elasticity, and/or the arc transition structure of two ends flex point are C type indent.
Preferably, in the dynamic stabilization device, the inwall of the fixing head of said first fixture and second fixture is provided with ratchet between above-mentioned spinous process.
Preferably, in the dynamic stabilization device, the inwall of the fixing head of said first fixture is provided with ratchet between above-mentioned spinous process, and the fixing head of said second fixture is provided with through hole.
Preferably, in the dynamic stabilization device, the fixing head of said first fixture and second fixture is provided with through hole between above-mentioned spinous process.
Preferably, in the dynamic stabilization device, dynamic stability implanting device integral body adopts alloy material between said spinous process between above-mentioned spinous process.
Preferably, in the dynamic stabilization device, dynamic stability implanting device integral body adopts macromolecule or composite between said spinous process between above-mentioned spinous process.
Can find out from above technical scheme; The present invention is through adopt by two openings relative and symmetric M type elasticity to turn back agent structure that plate constitutes; For device provides the elastic performance of broken line property variation, the elastic performance of broken line property variation can be kept the normal mobility of spinal column, and the hyperkinesia of restricting spinal; Promptly can the normal mobility of preservation spinal in big slope region, low slope region can restricting spinal hyperkinesia; In addition, can also regulate the elastic curve of elastic construction, be applicable to the spinal surgery occasion of various complicacies through changing M type elasticity the turn back thickness and/or the width of any flex point of plate structure.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The front view of dynamic stabilization device between a kind of spinous process that Fig. 1 provides for the embodiment of the invention;
The front view of dynamic stabilization device between the another kind of spinous process that Fig. 2 provides for the embodiment of the invention;
The front view of dynamic stabilization device between the another kind of spinous process that Fig. 3 provides for the embodiment of the invention;
The front view of dynamic stabilization device between the another kind of spinous process that Fig. 4 provides for the embodiment of the invention;
The perspective view of dynamic stabilization device between the another kind of spinous process that Fig. 5 provides for the embodiment of the invention;
The perspective view of dynamic stabilization device between the another kind of spinous process that Fig. 6 provides for the embodiment of the invention;
The perspective view of dynamic stabilization device between the another kind of spinous process that Fig. 7 provides for the embodiment of the invention;
The sketch map that dynamic stabilization device cooperates with spinous process between the spinous process that Fig. 8 provides for the embodiment of the invention.
The specific embodiment
In order to make those skilled in the art person understand the technical scheme among the present invention better; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the present invention's protection.
Referring to shown in Figure 1, dynamic stabilization device comprises between the spinous process that the embodiment of the invention provides: agent structure 1, first fixture 2 and second fixture 3, and wherein, the relative and symmetric M type elasticity plate 11 and 12 that turns back constitutes said agent structure 1 by two openings; Said first fixture 2 is made up of a pair of plate 21 and 22 that is relatively fixed, and is fixed on the side that 1 two M types of said agent structure elasticity is turned back plate 11 and 12, and vertical with 12 opening direction with the said M type elasticity plate 11 that turns back; Said second fixture 3 is made up of the plate 31 and 32 that is relatively fixed another, is fixed on the opposite side that 1 two M types of said agent structure elasticity is turned back plate 11 and 12, and vertical with 12 opening direction with the said M type elasticity plate 11 that turns back.
Need to prove, preferred in the middle of the practical application, 3 one-tenth symmetrical structures of said first fixture 2 and said second fixture; The fixing head 21 of said first fixture 2 and 22 one-tenth symmetrical structures; And/or the fixing head 31 of said second fixture 3 also becomes symmetrical structure with 32.
Referring to shown in Figure 2, in other embodiments, turn back plate 11 and 12 flex point positions of said M type elasticity are the arc transition structure.
Preferably, the said M type elasticity arc transition structure of flex points in the middle of plate 11 and 12 of turning back, and/or the arc transition structure of two ends flex point are C type indent.Wherein, flex point was the situation of C type indent in the middle of Fig. 2 showed; It all is the situation of C type indent that Fig. 3 shows three flex points.
Need to prove that turn back the flex point of plate 11 and 12 when having C type indent when M type elasticity, the radial extending part by coming out in the circular arc terminal can produce from contact behind the pressurized, forms leverage, thereby better compression elasticity performance can be provided.
Referring to shown in Figure 4, in other embodiments, the inwall of the fixing head of said first fixture 2 and second fixture 3 is provided with ratchet 4.This fixing head structure can remedy the loss of interspinous ligament, the stabilization function of compensatory ligament.
Referring to shown in Figure 5, in other embodiments, the fixing head 21 of said first fixture 2 and 22 inwall are provided with ratchet 4, and the fixing head 31 and 32 of said second fixture 3 is provided with through hole 5.This fixing head structure can be applied in the dynamic fixing of waist sacrum, can solve because of the too small grade of the spinous process of sacrum cause can't fixed situation.
Referring to shown in Figure 6, in other embodiments, the fixing head of said first fixture 2 and second fixture 3 is provided with through hole 5.This fixing head structure can cooperate with the pedicle nail bar device, under the damaged situation of spinous process, fixes.
Need to prove, in the irregular surgical operation of spinous process, need select dynamic stabilization device between the spinous process of special shape for use,, illustrated dynamic stabilization device between a kind of first fixture and the asymmetric spinous process of second fixture referring to shown in Figure 7.In practical application, can select dynamic stabilization device between the spinous process that adapts to shape for use according to the concrete condition of spinal surgery.
In addition, need to prove that dynamic stabilization device integral body can adopt titanium alloy, cobalt-base alloys alloy material between spinous process; Also can adopt polyether-ether-ketone, carbon fiber to strengthen macromolecule or composites such as polyether-ether-ketone, ultra-high molecular weight polyethylene.
Fig. 8 shows the situation that dynamic stabilization device cooperates with spinous process between spinous process provided by the invention; The dynamic stabilization device between existing spinous process of comparing; Dynamic stabilization device between the spinous process that the embodiment of the invention provides through adopt by two openings relative and symmetric M type elasticity to turn back agent structure that plate constitutes, provides the elastic performance of broken line property variation for device; The elastic performance of broken line property variation can be kept the normal mobility of spinal column; And the hyperkinesia of restricting spinal, promptly can the normal mobility of preservation spinal in big slope region, low slope region can restricting spinal hyperkinesia; In addition, can also regulate the elastic curve of elastic construction, be applicable to the spinal surgery occasion of various complicacies through changing M type elasticity the turn back thickness and/or the width of any flex point of plate structure.
In addition, the various fixed plate structure that the embodiment of the invention provided can make dynamic stabilization device between spinous process be applicable to the spinal surgery situation of various complicacies.
The above only is a preferred implementation of the present invention, makes those skilled in the art can understand or realize the present invention.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. dynamic stabilization device between a spinous process is characterized in that, comprising: agent structure, first fixture and second fixture, wherein:
Relative and the symmetric M type elasticity plate that turns back constitutes said agent structure by two openings;
Said first fixture is made up of a pair of plate that is relatively fixed, and is fixed on a turn back side of plate of two M types of said agent structure elasticity, and vertical with the turn back opening direction of plate of said M type elasticity;
Said second fixture is made up of the plate that is relatively fixed another, is fixed on the turn back opposite side of plate of two M types of said agent structure elasticity, and vertical with the turn back opening direction of plate of said M type elasticity.
2. dynamic stabilization device between spinous process according to claim 1 is characterized in that, said first fixture and said second fixture symmetry.
3. dynamic stabilization device between spinous process according to claim 1 is characterized in that, the said M type elasticity plate flex point position of turning back is the arc transition structure.
4. dynamic stabilization device between spinous process according to claim 3 is characterized in that, the turn back arc transition structure of flex point in the middle of the plate of said M type elasticity, and/or the arc transition structure of two ends flex point are C type indent.
5. according to dynamic stabilization device between any described spinous process of claim 1-4, it is characterized in that the inwall of the fixing head of said first fixture and second fixture is provided with ratchet.
6. according to dynamic stabilization device between any described spinous process of claim 1-4, it is characterized in that the inwall of the fixing head of said first fixture is provided with ratchet, the fixing head of said second fixture is provided with through hole.
7. according to dynamic stabilization device between any described spinous process of claim 1-4, it is characterized in that the fixing head of said first fixture and second fixture is provided with through hole.
8. according to dynamic stabilization device between any described spinous process of claim 1-4, it is characterized in that the whole alloy material that adopts of dynamic stability implanting device between said spinous process.
9. according to dynamic stabilization device between any described spinous process of claim 1-4, it is characterized in that whole macromolecule or the composite of adopting of dynamic stability implanting device between said spinous process.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100759121A CN102697544A (en) | 2011-03-28 | 2011-03-28 | Interspinous dynamic stabilizing device |
| PCT/CN2012/073195 WO2012130140A1 (en) | 2011-03-28 | 2012-03-28 | Interspinous dynamic stabilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100759121A CN102697544A (en) | 2011-03-28 | 2011-03-28 | Interspinous dynamic stabilizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102697544A true CN102697544A (en) | 2012-10-03 |
Family
ID=46890812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100759121A Pending CN102697544A (en) | 2011-03-28 | 2011-03-28 | Interspinous dynamic stabilizing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102697544A (en) |
| WO (1) | WO2012130140A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104873258A (en) * | 2014-06-19 | 2015-09-02 | 李照文 | Interspinous stabilizer |
| CN105193524A (en) * | 2015-10-21 | 2015-12-30 | 李照文 | Stabilizer used between spine plates |
| CN105476671A (en) * | 2014-09-19 | 2016-04-13 | 北京纳通科技集团有限公司 | Distractor and instrument for holding and sending distractor |
| WO2016201695A1 (en) * | 2015-06-19 | 2016-12-22 | 李照文 | Interspinous stabilizer |
| CN107595375A (en) * | 2017-10-19 | 2018-01-19 | 佰奥达生物科技（武汉）股份有限公司 | Universal dynamic fixer between a kind of spine |
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| US20060015181A1 (en) * | 2004-07-19 | 2006-01-19 | Biomet Merck France (50% Interest) | Interspinous vertebral implant |
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| FR2889438B1 (en) * | 2005-08-04 | 2008-06-06 | Scient X Sa | DOUBLE-SHAPED INTERVERTEBRAL IMPLANT |
| US8262698B2 (en) * | 2006-03-16 | 2012-09-11 | Warsaw Orthopedic, Inc. | Expandable device for insertion between anatomical structures and a procedure utilizing same |
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- 2011-03-28 CN CN2011100759121A patent/CN102697544A/en active Pending
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Patent Citations (7)
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| US20060015181A1 (en) * | 2004-07-19 | 2006-01-19 | Biomet Merck France (50% Interest) | Interspinous vertebral implant |
| US20060241757A1 (en) * | 2005-03-31 | 2006-10-26 | Sdgi Holdings, Inc. | Intervertebral prosthetic device for spinal stabilization and method of manufacturing same |
| CN101217917A (en) * | 2005-04-08 | 2008-07-09 | 帕拉迪格脊骨有限责任公司 | Interspinous vertebral and lumbosacral stabilization devices and methods of use |
| CN101594836A (en) * | 2007-01-23 | 2009-12-02 | 生物智慧株式会社 | Employed partition in the surgical operation of spinal crest of Rauber |
| CN101854872A (en) * | 2007-09-14 | 2010-10-06 | 新特斯有限责任公司 | Interspinous spacer |
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| CN101332116A (en) * | 2008-07-18 | 2008-12-31 | 南方医科大学 | Spinal crest elastic internal fixation device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104873258A (en) * | 2014-06-19 | 2015-09-02 | 李照文 | Interspinous stabilizer |
| CN104873258B (en) * | 2014-06-19 | 2017-08-25 | 李照文 | Stabilizer between spine |
| CN105476671A (en) * | 2014-09-19 | 2016-04-13 | 北京纳通科技集团有限公司 | Distractor and instrument for holding and sending distractor |
| CN105476671B (en) * | 2014-09-19 | 2018-04-03 | 北京纳通科技集团有限公司 | Dilator and the apparatus that dilator is sent for holding |
| WO2016201695A1 (en) * | 2015-06-19 | 2016-12-22 | 李照文 | Interspinous stabilizer |
| CN105193524A (en) * | 2015-10-21 | 2015-12-30 | 李照文 | Stabilizer used between spine plates |
| CN105193524B (en) * | 2015-10-21 | 2017-07-21 | 李照文 | Stabilizer between spine plate |
| CN107595375A (en) * | 2017-10-19 | 2018-01-19 | 佰奥达生物科技（武汉）股份有限公司 | Universal dynamic fixer between a kind of spine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012130140A1 (en) | 2012-10-04 |
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Application publication date: 20121003 |