CN205515051U - Zero notch intervertebral fusion device of lumbar vertebrae - Google Patents
Zero notch intervertebral fusion device of lumbar vertebrae Download PDFInfo
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- CN205515051U CN205515051U CN201620223655.XU CN201620223655U CN205515051U CN 205515051 U CN205515051 U CN 205515051U CN 201620223655 U CN201620223655 U CN 201620223655U CN 205515051 U CN205515051 U CN 205515051U
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- lumbar fusion
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Abstract
The utility model relates to a structural design technical field of centrum implant, more specifically say, relate to a zero notch intervertebral fusion device of lumbar vertebrae, should fuse the device and include: interbody fusion cage, screw base, the screw be connected with interbody fusion cage, interbody fusion cage and screw base interference fit, the last symmetry of screw base is provided with the locking hole, is provided with the locking head on the screw, screw base and screw through the locking hole with lock first threaded connection, is locking hole axis 30 with the contained angle of horizontal plane 60. The utility model discloses a zero notch intervertebral fusion device of lumbar vertebrae's structural design is comparatively reasonable, and interbody fusion cage and screw base's structural design can make lumbar vertebrae portion reach zero notch's effect, convenient and practical, suitable further the popularization and application.
Description
Technical field
This utility model relates to the structure-design technique field of vertebral implant, more particularly, it relates to a kind of
Lumbar vertebra zero incisura inter vertebral fusing device.
Background technology
Intervertebral operation under the conditions of prior art, first implants Invasive lumbar fusion device intervertebral disc, then plants on vertebral body
Entering anterior plate fixation, the effect of anterior plate fixation is to ensure that the stability implanting Invasive lumbar fusion device postcentrum,
Therefore, Invasive lumbar fusion device and anterior plate fixation are being used in combination of two kinds of products, the steel used in the program
Plate or vertebral body screw have certain altitude, easily to patient activity or later stage to recover to bring certain difficulty.For this
One problem, a kind of reasonable in design of exploitation, convenient and practical lumbar vertebra zero incisura inter vertebral fusing device is ability
The technical problem that field technique personnel are urgently to be resolved hurrily.
Utility model content
Technical problem to be solved in the utility model is: for overcoming the technology mentioned in above-mentioned background technology to ask
Topic, a kind of reasonable in design of existing offer, convenient and practical lumbar vertebra zero incisura inter vertebral fusing device.
This utility model solves its technical problem and be the technical scheme is that a kind of lumbar vertebra zero incisura intervertebral melts
Locking device, this fusing device includes: screw base that Invasive lumbar fusion device is connected with Invasive lumbar fusion device, screw,
Invasive lumbar fusion device and screw base interference fit, screw base is symmetrically arranged with lock hole, screw is provided with lock
Determine head, screw base and screw threaded by lock hole and elongated insertion part；Described lock hole axis and horizontal plane
Angle be 30-60 °.
Further, described in technique scheme, Invasive lumbar fusion device includes: body, be separately positioned on body
Surface and the anti-skidding sawtooth of lower surface, be arranged on this body side surface " [" shape groove, screw base side is provided with " ["
Shape projection, Invasive lumbar fusion device and screw base are by " [" shape groove and " [" shape projection interference fit.
Further, Invasive lumbar fusion device edge described in technique scheme has chamfered, Invasive lumbar fusion device
On be provided with development hole；Described elongated insertion part has conical external screw thread and inner hexagonal hole；Described lock hole axis with
The angle of horizontal plane is 45 °.
Lumbar vertebra zero incisura inter vertebral fusing device of the present utility model uses and the preferable polymeric material of human compatibility
Material, close to skeleton, can keep enough mechanical strengths, can reach the vertebra of surgery location in implanting human body
Body merges, and when specifically producing, carves and uses different length and height specification, meet the clinic of different parts vertebral body
Need.
Beneficial effect: compared with prior art, the knot of lumbar vertebra zero incisura inter vertebral fusing device of the present utility model
Structure design is relatively reasonable, and Invasive lumbar fusion device can make lumbar vertebra reach zero incisura with the structure design of screw base
Effect, convenient and practical, suitable further genralrlization is applied.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used does and introduces simply, it should be apparent that below,
Accompanying drawing in description is only embodiments more of the present utility model, for those of ordinary skill in the art,
On the premise of not paying work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the right side structure schematic diagram of Fig. 1；
Fig. 3 is that Fig. 1 removes decomposing schematic representation after screw 3；
In figure, 1. Invasive lumbar fusion device, 11. " [" shape groove, 12. development hole, 2. screw bases, 21. lock holes,
22. " [" shape projection, 3. screw, 31. elongated insertion parts.
Detailed description of the invention
Further illustrating this utility model with embodiment below in conjunction with the accompanying drawings, embodiments illustrated below is the most right
Utility model content described in claim plays any restriction effect, and, represented by example below
The full content constituted is not limited to as necessary to the solution of the utility model described in claim.
A kind of lumbar vertebra zero incisura inter vertebral fusing device, this fusing device includes: intervertebral fusion
Screw base 2 that device 1 is connected with Invasive lumbar fusion device 1, screw 3, Invasive lumbar fusion device 1 and screw base 2 interference
Coordinate, screw base 2 is symmetrically arranged with lock hole 21, screw 3 is provided with elongated insertion part 31, screw base 2
Threaded by lock hole 21 and elongated insertion part 31 with screw 3；Described lock hole 21 axis and horizontal plane
Angle is 45 °.
Further, described Invasive lumbar fusion device 1 includes: body, be separately positioned on body upper surface and lower surface
Anti-skidding sawtooth, be arranged on this body side surface " [" shape groove 11, screw base 2 side is provided with " [" shape projection
22, Invasive lumbar fusion device 1 and screw base 2 are by " [" shape groove 11 and " [" shape projection 22 interference fit；“[”
Shape groove 11 is with " [" shape projection 22 edge, Invasive lumbar fusion device 1 edge are respectively provided with chamfered, intervertebral fusion
It is provided with development hole 12 on device 1, titanium silk or tantalum wire can be placed；Described elongated insertion part 31 have conical external screw thread and
Inner hexagonal hole.
Invasive lumbar fusion device 1 and screw base 2 in use, are first coordinated peace by structure of the present utility model
Intervertebral disc implanted by dress, and then screw 3 is screwed into screw base 2, the elongated insertion part 31 on screw 3 and screw base 2
It is connected, two vertebral bodys being threaded into Invasive lumbar fusion device about 1 in screw 3 bar portion, make screw base 2 fix
Between vertebral body, due to be combineding with each other of Invasive lumbar fusion device 1 and screw base 2, be intended to Invasive lumbar fusion device 1 is also
Reach fixing effect, after this structure is implanted, vertebral body of submerging completely, thoroughly avoids steel plate or screw to stimulate
Human internal organ reduces patient trauma, accelerates the later stage and recovers, convenient and practical, suitable popularization and application.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this
Utility model.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
Seeing, generic principles defined herein can be in the situation without departing from spirit or scope of the present utility model
Under, realize in other embodiments.Therefore, this utility model be not intended to be limited to shown in this article these
Embodiment, and it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (5)
1. a lumbar vertebra zero incisura inter vertebral fusing device, is characterized in that: this fusing device includes: intervertebral fusion
Screw base that device is connected with Invasive lumbar fusion device, screw, Invasive lumbar fusion device and screw base interference fit, screw
It is symmetrically arranged with lock hole on Zuo, screw is provided with elongated insertion part, screw base and screw by lock hole and lock
Determine head thread to connect；Described lock hole axis is 30-60 ° with the angle of horizontal plane.
A kind of lumbar vertebra zero incisura inter vertebral fusing device the most according to claim 1, is characterized in that: described
Invasive lumbar fusion device includes: body, is separately positioned on body upper surface and the anti-skidding sawtooth of lower surface, is arranged on
This body side surface " [" shape groove, screw base side is provided with that " [" shape projection, Invasive lumbar fusion device and screw base are logical
Cross " [" shape groove and " [" shape projection interference fit.
A kind of lumbar vertebra zero incisura inter vertebral fusing device the most according to claim 1, is characterized in that: described
Invasive lumbar fusion device edge has chamfered, and Invasive lumbar fusion device is provided with development hole.
A kind of lumbar vertebra zero incisura inter vertebral fusing device the most according to claim 1, is characterized in that: described
Elongated insertion part has conical external screw thread and inner hexagonal hole.
A kind of lumbar vertebra zero incisura inter vertebral fusing device the most according to claim 1, is characterized in that: described
Lock hole axis is 45 ° with the angle of horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620223655.XU CN205515051U (en) | 2016-03-22 | 2016-03-22 | Zero notch intervertebral fusion device of lumbar vertebrae |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620223655.XU CN205515051U (en) | 2016-03-22 | 2016-03-22 | Zero notch intervertebral fusion device of lumbar vertebrae |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205515051U true CN205515051U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620223655.XU Active CN205515051U (en) | 2016-03-22 | 2016-03-22 | Zero notch intervertebral fusion device of lumbar vertebrae |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN108056847A (en) * | 2017-12-15 | 2018-05-22 | 深圳清华大学研究院 | For the preceding road lumbar intervertebral fusion device of intervertebral fusion |
-
2016
- 2016-03-22 CN CN201620223655.XU patent/CN205515051U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN108056847A (en) * | 2017-12-15 | 2018-05-22 | 深圳清华大学研究院 | For the preceding road lumbar intervertebral fusion device of intervertebral fusion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 Changzhou, Jiangsu new North District, Jinsha River Road, No. 10 Patentee after: Dean medical technology Ltd Address before: 213000 Changzhou, Jiangsu new North District, Jinsha River Road, No. 10 Patentee before: Changzhou Dean Medical Machinery Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |