CN105287062B - A kind of incisura fusion device of side approach zero - Google Patents
A kind of incisura fusion device of side approach zero Download PDFInfo
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- CN105287062B CN105287062B CN201510900981.XA CN201510900981A CN105287062B CN 105287062 B CN105287062 B CN 105287062B CN 201510900981 A CN201510900981 A CN 201510900981A CN 105287062 B CN105287062 B CN 105287062B
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Abstract
The invention discloses a kind of incisura fusion device of side approach zero, including fusion body and fixed body；Fusion body is class rectangular structure, and upper and lower surface and side wall are included on long side direction；Two bone grafting holes on the upper and lower surface of insertion fusion body are symmetrically arranged with before and after the middle part for merging body；Fixed body is fixedly connected with body is merged；The upper and lower parts of fixed body are provided with ball-and-socket；Ball-and-socket is implanted with lock-screw.Fixed body of the present invention and fusion body 90 ° of settings of tooth of upper and lower surface, make fusion body more firm with the connection of lumbar vertebrae, prevent abjection, make implantation effect more stable；The inclined-plane screw thread for being obliquely installed and following closely afterbody of lock-screw is set, and makes lock-screw be easier to be screwed into lumbar vertebral body, increases the convenience of implantation；Pilot pin, rear end setting apparatus are set in the front end of whole fusion device and capture hole, fusion body position is easily determined when making operation, increase simple operation.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of incisura fusion device of side approach zero.
Background technology
Waist interbody fusion is one of method for the treatment of spinal disease, and annual increasing crowd receives interbody fusion
Treatment.Interbody fusion includes autologous bone transplanting fusion and allogenic bone transplantation fusion, due to autologous bone limited source, increases and supplies
Area's wound, the shortcomings of timely mechanically stable can not be provided so that the clinical practice of interbody fusion is restricted, and allograph bone
The viral transmission and immunological rejection transplanted not only costly, limited amount but also caused by allograph bone are also to influence it clinical wide
The main cause of general application.In recent years, to improve bone collection fusion rate, outer fixed dependence is reduced, improves and keep backbone
Curvature, Invasive lumbar fusion device arises at the historic moment.
After the intervertebral of existing Invasive lumbar fusion device implantation patient, during the action such as Invasive lumbar fusion device is swung back in backbone, bends over, hold
Easily skidded off from intervertebral.So needing an implant procedure to be more convenient, the fusion device of intervertebral is more stably maintained at after implantation.
The content of the invention
It is an object of the invention to provide a kind of incisura fusion device of side approach zero, inconvenient when fusion device is implanted into, implantation is solved
The problem for easily skidding off afterwards.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
The present invention provides a kind of incisura fusion device of side approach zero, including fusion body and fixed body；
The fusion body is class rectangular structure, and upper and lower surface and side wall are included on long side direction；In fusion body
Between two bone grafting holes that the upper and lower surface of body is merged described in insertion are symmetrically arranged with before and after position；In two bone grafting holes
Between position be provided with vertical with bone grafting hole extension direction and fusion device body sidewall described in insertion first through hole；The fusion device
Body right-hand member both sides are provided with the notch with inclined-plane；
The left and right two ends of the fixed body are provided with the convex with inclined-plane, by the phase interworking of the convex and the notch
Conjunction realizes that the fixed body merges being fixedly connected for body with described；The upper and lower parts of the fixed body are provided with ball-and-socket；Institute
State ball-and-socket and be implanted with lock-screw.
Further, the bearing of trend of the ball-and-socket is at an acute angle with the body side bearing of trend long that merges, and the ball
After nest is implanted into the lock-screw, the lock-screw is with the body that merges in described ball-and-socket the same side.
Further, also including nail pressing, the fusion body right-hand member center is provided with screwed hole, the fixed body
Center offers bolt hole, and the nail pressing passes through screwed hole described in the bolt hole precession.
Further, the bolt hole is stepped hole, including apertura lateralis and inboard aperture；The apertura lateralis with diameter greater than
The inner side bore dia.
Further, the screwed hole is connected with the bone grafting hole closed on；Open the nail pressing axial centre position
It is provided with the second through hole.
Further, the ailhead position of the nail pressing is provided with the second arcwall face, the second arcwall face center
On be provided with cross recess；Two arc notch are provided with second arcwall face, two arc notch are relative to ailhead
Center is symmetrical.
Further, the fusion body right-hand member both sides are provided with the notch with inclined-plane, the left and right two of the fixed body
End is provided with the convex with inclined-plane, and the convex is engaged with the notch.
Further, the lock-screw includes the head of a nail, rivet nut and nail tail, and the head of a nail is six square grooves, the rivet nut
Surface is provided with taper thread, and the nail tail surface is provided with inclined-plane screw thread.
Further, the fusion body left end is provided with location hole, and the location hole is inserted into develop during operation
Pilot pin；Apparatus is provided with the fixed body capture hole.
Further, the upper and lower surface of the fusion body is provided with the first arcwall face, on first arcwall face
It is even to be placed with 90 ° of teeth.
Further, the fusion body uses PEEK materials.
Compared with prior art, Advantageous Effects of the invention are as follows：
Fixed body of the present invention and fusion body 90 ° of settings of tooth of upper and lower surface, make fusion body more steady with the connection of lumbar vertebrae
Gu, abjection is prevented, make implantation effect more stable；The inclined-plane screw thread for being obliquely installed and following closely afterbody of lock-screw is set, and makes locking
Screw is easier to be screwed into lumbar vertebral body, increases the convenience of implantation；Pilot pin, rear end are set in the front end of whole fusion device device is set
Tool captures hole, and fusion body position is easily determined when making operation, increases simple operation.
Brief description of the drawings
The invention will be further described for explanation below in conjunction with the accompanying drawings.
Fig. 1 is the structure chart of the incisura fusion device of side approach of the present invention zero；
Fig. 2 is the sectional view of A-A in Fig. 1；
Fig. 3 is the front view for merging body；
Fig. 4 is the sectional view of B-B in Fig. 3；
Fig. 5 is the front view of fixed body；
Fig. 6 is the top view of fixed body；
Fig. 7 is the left view of fixed body；
Fig. 8 is the front view of nail pressing；
Fig. 9 is the left view of nail pressing；
Figure 10 is the front view of lock-screw；
Description of reference numerals：1st, pilot pin；2nd, body is merged；3rd, fixed body；4th, nail pressing；5th, lock-screw；6th, the first arc
Shape face；7th, bone grafting hole；8th, first through hole；9th, location hole；10th, screwed hole；11st, notch；12nd, ball-and-socket；13rd, apertura lateralis；14th, inner side
Hole；15th, convex；16th, apparatus captures hole；17th, the second arcwall face；18th, cross recess；19th, the second through hole；20th, arc notch；21、
Top cap；22nd, rivet nut；23rd, tail is followed closely.
Specific embodiment
As shown in figure 1, a kind of incisura fusion device of side approach zero, including fusion body 2 and fixed body 3.
The fusion body 2 is class rectangular structure, and upper and lower surface and side wall are included on long side direction；Fusion body 2
Two bone grafting holes 7 that the upper and lower surface of body 2 is merged described in insertion, during operation, bone grafting hole are symmetrically arranged with before and after middle part
Interior filling fine grained chippings or powdered implant, the bone grafting operation for completing operation；Two middle parts of bone grafting hole 7 are all provided with
The first through hole 8 that the side wall of body 2 is merged described in and insertion vertical with the extension direction of bone grafting hole 7 is equipped with, planted implant can be made
Flowed out from bone grafting hole, into interverbebral disc.
As shown in Fig. 2,4,6, the fusion body 2 right-hand member both sides are provided with the notch 11 with inclined-plane, the fixed body 3
Left and right two ends are provided with the convex 15 with inclined-plane, and the fixation is realized with the mutual cooperation of the notch 11 by the convex 15
Body 3 merges being fixedly connected for body 2 with described, mechanically connects more stable；The upper and lower parts of the fixed body 3 are provided with ball
Nest 12 (reference picture 7)；The ball-and-socket 12 is implanted with lock-screw 5, for fixed fusion body, increases stability.
As shown in figure 5, the bearing of trend of the ball-and-socket 12 is at an acute angle with the side bearing of trend long of body 2 that merges, and institute
State after ball-and-socket 12 is implanted into the lock-screw 5, the lock-screw 5 is with the body 2 that merges in the same side of the ball-and-socket 12 (ginseng
According to Fig. 1), tilting lock-screw can be entered to lumbar vertebrae the inside with side, and it is more convenient to operate.
As shown in Fig. 2 also including nail pressing 4, the fusion body 2 right-hand member center is provided with screwed hole 10, described solid
Determine the center of body 3 and offer bolt hole, the nail pressing 4 passes through screwed hole 10 described in the bolt hole precession, can be further
Guarantee fusion body and fixed body connective stability.
As shown in fig. 7, the bolt hole is stepped hole, including apertura lateralis 13 and inboard aperture 14；The apertura lateralis 13 is straight
Footpath is more than the diameter of the inboard aperture 14, the ailhead position of nail pressing is submerged in apertura lateralis (reference picture 2), reduces corner, reduces
Injury to human body.
As shown in Fig. 2 the screwed hole 10 is connected with the bone grafting hole 7 closed on；The axial centre position of the nail pressing 4
The second through hole 19 is offered, equivalent to the through hole that another is communicated with bone grafting hole.
As shown in FIG. 8 and 9, the ailhead position of the nail pressing 4 is provided with the second arcwall face 17, in second arcwall face 17
Cross recess 18 is provided with heart position；Two arc notch 20 are provided with second arcwall face 17, two arcs lack
Mouth 20 is symmetrical relative to the center of the second arcwall face 17.Arc notch is capable of achieving to avoid both sides when nail pressing is implanted into fixed body
The effect of lock-screw, after assembling, nail pressing is rotated by 90 °, and compresses the lock-screw of both sides, prevents lock-screw from deviating from.
As shown in Figure 4,5, the fusion body 2 right-hand member both sides are provided with the notch 11 with inclined-plane, a left side for the fixed body 3
Right two ends are provided with the convex 15 with inclined-plane, and the convex 15 is engaged (reference picture 2) with the notch 11, further strengthen solid
Determine body and merge the stable connection degree of body.
As shown in Figure 10, the lock-screw 5 includes the head of a nail 21, rivet nut 22 and nail tail 23, and the head of a nail 21 is six square grooves,
It is easy to apparatus to capture；The surface of the rivet nut 22 is provided with taper thread, increases resisting pull out forces, further strengthens fusion device with lumbar vertebrae
Connective stability, prevents from skidding off；Nail tail 23 surface is provided with inclined-plane screw thread, is conveniently screwed into lumbar vertebral body, increases convenience.
As shown in Fig. 1,4,5, the fusion left end of body 2 is provided with location hole 9, when the location hole 9 is inserted into operation
The pilot pin 1 that can develop, convenient operation makes the position of fusion body more intuitively observe；It is provided with the fixed body 3
Apparatus captures hole 16, and convenient operation controls the position of implantation.
As shown in figure 3, the upper and lower surface of the fusion body 2 is provided with the first arcwall face 6, on first arcwall face 6
It is uniform to be placed with 90 ° of teeth, increase hold, abjection is prevented, further increase the stability of implantation effect.
The fusion body 2 uses PEEK materials, excellent with high temperature resistant, self-lubricating, easy processing and high mechanical properties etc.
The special engineering plastics of performance, and there is good blending with human body, successfully instead of biography as artificial bone
The titanium of system.Fixed body, lock-screw and nail pressing are proof strength, from titanium alloy material.
Embodiment described above is only that preferred embodiment of the invention is described, and not the scope of the present invention is carried out
Limit, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art make to technical scheme
Various modifications and improvement, all should fall into claims of the present invention determination protection domain in.
Claims (8)
1. the incisura fusion device of a kind of side approach zero, it is characterised in that：Including fusion body (2) and fixed body (3)；
Fusion body (2) is class rectangular structure, and upper and lower surface and side wall are included on long side direction；Fusion body (2)
Two bone grafting holes (7) that body (2) upper and lower surface is merged described in insertion are symmetrically arranged with before and after middle part；Described in two
Bone grafting hole (7) middle part is provided with merges the of body (2) side wall described in and insertion vertical with bone grafting hole (7) extension direction
One through hole (8)；Described fusion body (2) right-hand member both sides are provided with the notch (11) with inclined-plane；
The left and right two ends of the fixed body (3) are provided with the convex (15) with inclined-plane, by the convex (15) and the notch
(11) mutual cooperation realizes that the fixed body (3) merges being fixedly connected for body (2) with described；The fixed body (3) it is upper,
Lower portion is provided with ball-and-socket (12)；The ball-and-socket (12) is implanted with lock-screw (5)；
Also include nail pressing (4), described fusion body (2) right-hand member center is provided with screwed hole (10), in the fixed body (3)
Heart position offers bolt hole, and the nail pressing (4) is through screwed hole (10) described in the bolt hole precession；The screwed hole (10)
It is connected with the bone grafting hole (7) closed on；Nail pressing (4) the axial centre position offers the second through hole (19).
2. the incisura fusion device of side approach according to claim 1 zero, it is characterised in that：The bearing of trend of the ball-and-socket (12)
It is at an acute angle with body (2) the side bearing of trend long that merges, and after the ball-and-socket (12) the implantation lock-screw (5), it is described
Lock-screw (5) is with the body (2) that merges in the ball-and-socket (12) the same side.
3. the incisura fusion device of side approach according to claim 1 zero, it is characterised in that：The bolt hole is stepped hole,
Including apertura lateralis (13) and inboard aperture (14)；The apertura lateralis (13) is with diameter greater than the inboard aperture (14) diameter.
4. the incisura fusion device of side approach zero according to any one in claim 1 or 3, it is characterised in that：The nail pressing
(4) ailhead position is provided with the second arcwall face (17), and cross recess is provided with the second arcwall face (17) center
(18)；Two arc notch (20) are provided with second arcwall face (17), two arc notch (20) are relative to
Two arcwall faces (17) center is symmetrical.
5. the incisura fusion device of side approach according to claim 1 zero, it is characterised in that：The lock-screw (5) includes nail
Cap (21), rivet nut (22) and nail tail (23), the head of a nail (21) is six square grooves, and rivet nut (22) surface is provided with taper thread,
Described nail tail (23) surface is provided with inclined-plane screw thread.
6. the incisura fusion device of side approach according to claim 1 zero, it is characterised in that：Described fusion body (2) left end sets
Location hole (9) is equipped with, the location hole (9) is inserted into the pilot pin (1) that can develop during operation；Set on the fixed body (3)
There is apparatus to capture hole (16).
7. the incisura fusion device of side approach zero according to any one in claim 1-3 or 5,6, it is characterised in that：It is described
Fusion body (2) upper and lower surface is provided with the first arcwall face (6), and uniformly 90 ° of teeth are placed with first arcwall face (6).
8. the incisura fusion device of side approach zero according to any one in claim 1-3 or 5,6, it is characterised in that：It is described
Fusion body (2) uses PEEK materials.
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| CN201510900981.XA CN105287062B (en) | 2015-12-09 | 2015-12-09 | A kind of incisura fusion device of side approach zero |
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| CN201510900981.XA CN105287062B (en) | 2015-12-09 | 2015-12-09 | A kind of incisura fusion device of side approach zero |
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| CN105287062A CN105287062A (en) | 2016-02-03 |
| CN105287062B true CN105287062B (en) | 2017-06-27 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190076265A1 (en) * | 2016-08-30 | 2019-03-14 | Beijing Fule Science & Technology Development Co., Ltd. | One Lumbar Zero-profile Fusion System |
| CN106344220B (en) * | 2016-08-30 | 2017-12-19 | 北京市富乐科技开发有限公司 | A kind of incisura fusion device system of lumbar vertebrae zero |
| CN106175999B (en) * | 2016-08-30 | 2018-02-27 | 蒋毅 | A kind of Invasive lumbar fusion device self-locking rock-steady structure |
| CN106551733A (en) * | 2016-11-08 | 2017-04-05 | 中国人民解放军第七五医院 | A kind of fixed lumbar intervertebral fusion fixing device of titanium nail |
| CN106551734A (en) * | 2016-11-08 | 2017-04-05 | 中国人民解放军第七五医院 | The lumbar intervertebral fusion fixing device that a kind of automatic screw is fixed |
| KR101889365B1 (en) * | 2017-05-10 | 2018-08-17 | 안경기 | Structure of plate hybrid cage |
| CN109700577A (en) * | 2019-01-18 | 2019-05-03 | 北京市春立正达医疗器械股份有限公司 | Fusion device |
| CN112426250A (en) * | 2019-08-26 | 2021-03-02 | 上海凯利泰医疗科技股份有限公司 | Cervical vertebra self-stabilization type fusion cage, and holder and system thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201244104Y (en) * | 2008-06-27 | 2009-05-27 | 常州奥斯迈医疗器械有限公司 | Intervertebral fusion device for locking anterior lumbar interbody |
| US9526620B2 (en) * | 2009-03-30 | 2016-12-27 | DePuy Synthes Products, Inc. | Zero profile spinal fusion cage |
| EP2628466B1 (en) * | 2012-02-17 | 2017-04-05 | Medacta International S.A. | Intervertebral implant with improved fastening system for the fixing plate |
| KR101470969B1 (en) * | 2012-10-09 | 2014-12-09 | (주) 서한케어 | Cage including fixing means connected with adjacent vertebrae |
| US9186257B2 (en) * | 2012-10-11 | 2015-11-17 | Rhausler, Inc. | Bone plate and fusion cage interface |
| CN102973336B (en) * | 2012-12-11 | 2015-12-09 | 上海三友医疗器械有限公司 | Intervertebral space fusion device and for advancing its propeller |
| US20140379085A1 (en) * | 2013-06-20 | 2014-12-25 | Institute for Musculoskeletal Science and Education, Ltd. | Reverse cage intervertebral fusion implants |
| CN103610523A (en) * | 2013-12-18 | 2014-03-05 | 广州聚生生物科技有限公司 | Minimally invasive lateral approach interbody fusion device |
| CN203841856U (en) * | 2014-04-09 | 2014-09-24 | 创辉医疗器械江苏有限公司 | Cervical vertebra fusion device |
| CN104814816A (en) * | 2015-05-20 | 2015-08-05 | 上海长征医院 | Self-stabilization type extreme lateral approach intervertebral fusion cage |
| CN205215458U (en) * | 2015-12-09 | 2016-05-11 | 胡桓宇 | Zero notch of side approach fuses ware |
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