CN104665961B - A kind of anti-displacement bulk expansion formula inter vertebral fusing device - Google Patents
A kind of anti-displacement bulk expansion formula inter vertebral fusing device Download PDFInfo
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- CN104665961B CN104665961B CN201310625580.9A CN201310625580A CN104665961B CN 104665961 B CN104665961 B CN 104665961B CN 201310625580 A CN201310625580 A CN 201310625580A CN 104665961 B CN104665961 B CN 104665961B
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- fusing device
- bulk expansion
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Abstract
The present invention relates to a kind of anti-displacement bulk expansion formula inter vertebral fusing device, include and insert apparatus, insert and on apparatus, be connected with fusion device, be characterized in: fusion device includes deformation shell and interior swingle, insert apparatus and include external control tubulation.Meanwhile, being provided with inner connection tube in external control tubulation, interior swingle is connected with deformation shell.Further, interior swingle connects driving handle.Thus, meet fusion device to occur to expand in various degree, it is achieved form good contact spacing with the arcwall face of the lower soleplate of centrum and upper soleplate.So, it had both been provided that bigger contact area and good support reduced to sink, and can prevent again fusion device from displacement occurring, increase stability and the reliability of this fusion device.Furthermore, simple structure of the present invention, multiple spinal fusion surgery can be widely used in.
Description
Technical field
The present invention relates to a kind of fusing device, particularly relate to a kind of anti-displacement bulk expansion formula inter vertebral fusing device.
Background technology
Spinal fusion is one of primary treatments of the various spine disorders for the treatment of at present.In recent years, as the technology of Minimally invasive procedure develops rapidly, various can the expansion fusion device of deformation little owing to having wound, the advantage such as easy for installation is widely used to clinic, representative such as B-twin expansion type Invasive lumbar fusion device, centrum pillar block etc. is closed in Taiwan entirely, but also expose following deficiency in Shi Yonging, if any expansion between fusion device expand after be only provided that a few place " point supports " to contacting surface, contact area is little, easy stress concentrates bone absorption " to sink ", long-term postoperative intervertebral height is caused to lose, intervertebral foramina stenosis card pressure nerve root may be caused to cause clinical symptoms to affect the treatment；Some expansion opened part intensity is poor, it may occur however that fracture；The expansion fusion device also having is only one end, front end and expands, front end produces that expansion struts and rear end can not deformation, before and after centrum, side's stress is difficult to uniformity, expands and be easily shifted over after strutting when position in intervertenral space for the fusion device is undesirable, and stability and reliability are poor.
In view of this, urgently for above-mentioned technical problem, a kind of anti-displacement bulk expansion formula Invasive lumbar fusion device of the design that looks for another way, both it had been provided that bigger contact surface area and excellent support reduced to sink, its stability and reliability can be increased again, thus keep preferable state to realize spinal fusion to improve curative effect.
Content of the invention
The purpose of the present invention is contemplated to solve the above-mentioned problems in the prior art, provides a kind of anti-displacement bulk expansion formula inter vertebral fusing device.
The purpose of the present invention is achieved through the following technical solutions:
A kind of anti-displacement bulk expansion formula inter vertebral fusing device, include and insert apparatus, described inserting is connected with fusion device on apparatus, wherein: described fusion device includes deformation shell, it is connected with interior swingle in described deformation shell, described apparatus of inserting includes external control tubulation, it is provided with inner connection tube in described external control tubulation, described external control tubulation is outside equipped with spacing shelves pipe, one end of described inner connection tube is connected with the afterbody of deformation shell, the other end of described inner connection tube has platform, and interior swingle connects driving handle.
Further, above-mentioned a kind of anti-displacement bulk expansion formula inter vertebral fusing device, wherein: described deformation shell struts portion before including, described before strut portion and connect end by middle part and be connected with rear deformations, before described, the portion of strutting is provided with upper surface and lower surface, and described middle part connects end and is provided with chute.
Further, above-mentioned a kind of anti-displacement bulk expansion formula inter vertebral fusing device, wherein: the afterbody of described deformation shell is provided with groove, the front end of described external control tubulation is provided with main boss, when described deformation shell contacts with external control tubulation, described groove is connected with main boss.
Further, above-mentioned a kind of anti-displacement bulk expansion formula inter vertebral fusing device, wherein: internal thread hole is distributed in described groove, described inner connection tube front end is provided with corresponding screw thread.
Further, above-mentioned a kind of anti-displacement bulk expansion formula inter vertebral fusing device, wherein: the tail end of described interior swingle is provided with interior hexagonal hole, the front end of described driving handle is hexagon front end.
Further, above-mentioned a kind of anti-displacement bulk expansion formula inter vertebral fusing device, wherein: described driving handle tail end is connected with handle.
Further, above-mentioned a kind of anti-displacement bulk expansion formula inter vertebral fusing device, wherein: strutting top, portion before described deformation shell and being provided with secondary boss, described interior swingle side arranges the plane contacting with secondary boss, and described interior swingle front end is provided with little groove.
Further, above-mentioned a kind of anti-displacement bulk expansion formula inter vertebral fusing device, wherein: screw thread is distributed outside described external control tubulation, is distributed corresponding screw thread in spacing shelves pipe.
Yet further, above-mentioned a kind of anti-displacement bulk expansion formula inter vertebral fusing device, wherein: described interior swingle cross section is rectangle.
The advantage of technical solution of the present invention is mainly reflected in: strut portion before this Invasive lumbar fusion device deformation shell, middle part connects end and rear deformations and occurs to expand in various degree after inward turning bar rotation, it is achieved form good contact spacing with the arcwall face of the lower soleplate of centrum and upper soleplate.So, it had both been provided that bigger contact area and good support reduced to sink, and can prevent again fusion device from unnecessary displacement occurring, increase stability and the reliability of this fusion device.Furthermore, simple structure of the present invention, multiple spinal fusion surgery can be widely used in.
Brief description
Fig. 1 is the organigram of this anti-displacement bulk expansion formula inter vertebral fusing device.
Fig. 2 is fusion device end face cross sectional representation.
Fig. 3 is fusion device softened state organigram.
Fig. 4 is the working state schematic representation of fusion device.
| 1 | Fusion device | 2 | Insert apparatus |
| 3 | Deformation shell | 4 | Interior swingle |
| 5 | Before strut portion | 6 | Middle part connects end |
| 7 | Rear deformations | 8 | Afterbody |
| 9 | Upper surface | 10 | Lower surface |
| 11 | Groove | 12 | Internal thread hole |
| 13 | Interior hexagonal hole | 14 | External control tubulation |
| 15 | Inner connection tube | 16 | Driving handle |
| 17 | Spacing shelves pipe | 18 | Main boss |
| 19 | Screw thread | 20 | Hexagon front end |
| 21 | Handle | 22 | Front protrusion |
| 23 | Rearward projection | 24 | Secondary boss |
| 25 | Little groove | 26 | Side plane |
| 27 | Lower soleplate | 28 | Upper soleplate |
| 29 | Platform |
Detailed description of the invention
A kind of anti-displacement bulk expansion formula inter vertebral fusing device as shown in figures 1-4, include and insert apparatus 2, inserting and being connected with fusion device 1 on apparatus 2, its unusual part is: fusion device of the present invention includes deformation shell 3, is connected with interior swingle 4 in deformation shell 3.Meanwhile, insert apparatus 2 and include external control tubulation 14, in external control tubulation 14, be provided with inner connection tube 15.Further, the afterbody of deformation shell 3 is connected with one end of inside connecting rod 15, and inner connection tube 15 other end is provided with platform 29, prevents external control tubulation 14 from disengaging with deformation shell 3.Inner connection tube 15 is built with driving handle 16.Certainly, it is contemplated that the assurance of user is convenient, and driving handle 16 tail end is connected with handle 21.
From the point of view of the present invention one preferably embodiment, for the ease of opening smoothly during use, deformation shell 3 struts portion 5 before including.Meanwhile, the front portion 5 that struts is connected with rear deformations 7 by middle part connection end 6.Specifically, it is contemplated that front portion the 5th, middle part connection end 6 and the rear deformations 7 of strutting occurs to expand in various degree after the rotation of interior swingle 4, thus provides bigger contact area and form good support.Strutting portion 5 before Cai Yonging and being provided with upper surface 9 and lower surface 10, middle part connects end 6 and is provided with chute.Thus, it is simple to upper surface 9 and lower surface 10 that when deformation shell 3 expands, it contacts with centrum deform upon.In other words, overall front protrusion 22 and the rearward projection 23 strutting and being formed anti-displacement in upper surface 9 and lower surface 10, the arcwall face of the lower soleplate 27 and upper soleplate 28 that meet centrum forms good contact spacing.
From the point of view of further, deformation shell 3 afterbody 8 of employing is provided with groove 11.Corresponding, the front end of external control tubulation 14 is provided with main boss 18.So, when deformation shell 3 contacts with external control tubulation 14, groove 11 is connected with main boss 18, in case rotating during fusion device 1 dilating expansion.Meanwhile, in order to promote effective connection effect, internal thread 19 hole 12 being distributed in groove 11, inner connection tube 15 front end is provided with corresponding screw thread 19, and the rear end of inner connection tube 15 is provided with platform 29.Thus, apparatus 2 can be put into be connected with fusion device 1, it is achieved effective thread 19 connects.
From the point of view of further, the tail end of interior swingle 4 is provided with interior hexagonal hole 13, and the front end of driving handle 16 is hexagon front end 20, in the interior hexagonal hole 13 of pluggable interior swingle 4 tail end in the front end of driving handle 16.Meanwhile, strutting top, portion 5 before deformation shell 3 and being provided with secondary boss 24, interior swingle 4 side arranges the plane contacting with secondary boss 24.Thus, prevent the Invasive lumbar fusion device 1 after expanding from bouncing back again.Certainly, in order to promote being located by connecting and expansion effect of internal swingle 4, in rectangle, swingle 4 front end is provided with little groove 25.So, when fusion device 1 does not struts, the front secondary boss 24 strutting top, portion 5 is positioned at the little groove 25 of rectangle swingle 4 front end, to reduce the volume before fusion device 1 expands as far as possible.Further, after interior swingle 4 rotates, the front secondary boss 24 strutting top, portion 5 is positioned on the side plane 26 of rectangle swingle 4, farthest struts to strut portion 5 before ensureing deformation shell 3.Meanwhile, interior swingle 4 cross section is rectangle, it is ensured that expand latter linked stable effective.
Simultaneously, it is contemplated that can effectively adjust the position of external control tubulation 14, in order to utilize service aisle spacing in endoscopic surgery, it is ensured that when fusion device 1 is inserted, accurately control implantation site.Screw thread 19 is distributed outside outer control bar 14, corresponding screw thread 19 in spacing shelves pipe 17, is distributed.
Be can be seen that by above-mentioned character express, after using the present invention, strut portion before this Invasive lumbar fusion device deformation shell, middle part connects end and rear deformations and occurs to expand in various degree after inward turning bar rotation, it is achieved form good contact spacing with the arcwall face of the lower soleplate of centrum and upper soleplate.So, it had both been provided that bigger contact area and good support reduced to sink, and can prevent again fusion device from displacement occurring, increase stability and the reliability of this fusion device.Furthermore, simple structure of the present invention, multiple spinal fusion surgery can be widely used in.
Certainly, above is only the concrete exemplary applications of the present invention, does not constitutes any limitation protection scope of the present invention.In addition to the implementation, the present invention can also have other embodiments.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within scope of the present invention.
Claims (8)
1. an anti-displacement bulk expansion formula inter vertebral fusing device, include and insert apparatus, described inserting is connected with fusion device on apparatus, it is characterized in that: described fusion device includes deformation shell, described deformation shell struts portion before including, the portion that struts before described connects end by middle part and is connected with rear deformations, described before the portion of strutting be provided with upper surface and lower surface, described middle part connects end and is provided with chute；It is connected with interior swingle in described deformation shell, described apparatus of inserting includes external control tubulation, it is provided with inner connection tube in described external control tubulation, one end of described inner connection tube is connected with the afterbody of deformation shell, the other end of described inner connection tube is provided with platform, and described interior swingle is connected with driving handle.
2. a kind of anti-displacement bulk expansion formula inter vertebral fusing device according to claim 1, it is characterized in that: the afterbody of described deformation shell is provided with groove, the front end of described external control tubulation is provided with main boss, and when described deformation shell contacts with external control tubulation, described groove is connected with main boss.
3. a kind of anti-displacement bulk expansion formula inter vertebral fusing device according to claim 2, it is characterised in that: internal thread hole is distributed in described groove, and described inner connection tube front end is provided with corresponding screw thread.
4. a kind of anti-displacement bulk expansion formula inter vertebral fusing device according to claim 1, it is characterised in that: the tail end of described interior swingle is provided with interior square hole, and the front end of described driving handle is square front end.
5. a kind of anti-displacement bulk expansion formula inter vertebral fusing device according to claim 1, it is characterised in that: described driving handle tail end is connected with handle.
6. a kind of anti-displacement bulk expansion formula inter vertebral fusing device according to claim 1, it is characterized in that: strut top, portion before described deformation shell and be provided with secondary boss, described interior swingle side arranges the plane contacting with secondary boss, and described interior swingle front end is provided with little groove.
7. a kind of anti-displacement bulk expansion formula inter vertebral fusing device according to claim 1, it is characterised in that: screw thread is distributed outside described external control tubulation, corresponding screw thread in spacing shelves pipe, is distributed.
8. a kind of anti-displacement bulk expansion formula inter vertebral fusing device according to claim 1, it is characterised in that: described interior swingle cross section is rectangle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310625580.9A CN104665961B (en) | 2013-12-02 | 2013-12-02 | A kind of anti-displacement bulk expansion formula inter vertebral fusing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310625580.9A CN104665961B (en) | 2013-12-02 | 2013-12-02 | A kind of anti-displacement bulk expansion formula inter vertebral fusing device |
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| CN104665961A CN104665961A (en) | 2015-06-03 |
| CN104665961B true CN104665961B (en) | 2016-11-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106859755A (en) * | 2017-03-23 | 2017-06-20 | 邹德威 | Intervertebral disc fusion device |
| TWI694808B (en) | 2017-04-26 | 2020-06-01 | 義守大學 | Bone expander |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6648916B1 (en) * | 1997-12-10 | 2003-11-18 | Sdgi Holdings, Inc. | Osteogenic fusion device |
| CN1323650C (en) * | 2003-11-26 | 2007-07-04 | 株式会社京源医疗器 | Expandable rack for vertebra operation |
| CN201275131Y (en) * | 2007-04-10 | 2009-07-22 | 王黎明 | Nickel-titanium shape memory alloy non-fusion interspinal fixator |
| FR2916956B1 (en) * | 2007-06-08 | 2012-12-14 | Ldr Medical | INTERSOMATIC CAGE, INTERVERTEBRAL PROSTHESIS, ANCHORING DEVICE AND IMPLANTATION INSTRUMENTATION |
| CN102599994A (en) * | 2011-01-22 | 2012-07-25 | 张春霖 | Contact-surface wave-changing bridge arc type interbody cage |
| CN202211766U (en) * | 2011-04-11 | 2012-05-09 | 广州医学院第二附属医院 | Expansion-type vertebral interbody fusion cage |
| CN103356310A (en) * | 2012-03-28 | 2013-10-23 | 北京爱康宜诚医疗器材股份有限公司 | Adjustable interbody fusion cage |
| CN202859388U (en) * | 2012-09-14 | 2013-04-10 | 苏州点合医疗科技有限公司 | Formatted surface-touch adaptive full support interbody fusion cage |
| CN203609548U (en) * | 2013-12-02 | 2014-05-28 | 苏州点合医疗科技有限公司 | Displacement-proof integral-expansion-type intervertebral fusion device |
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