CN208511266U - Via Posterior Spinal Approach device - Google Patents
Via Posterior Spinal Approach device Download PDFInfo
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- CN208511266U CN208511266U CN201721399191.9U CN201721399191U CN208511266U CN 208511266 U CN208511266 U CN 208511266U CN 201721399191 U CN201721399191 U CN 201721399191U CN 208511266 U CN208511266 U CN 208511266U
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- ontology
- approach device
- via posterior
- posterior spinal
- spinal approach
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Abstract
The utility model provides a kind of Via Posterior Spinal Approach device, comprising: ontology, the side of the centrum of the separate human body of spinal cord is arranged in ontology, for promoting Bone Ingrowth；Interconnecting piece is arranged on the body, for connecting with screw-rod to fix ontology.The Via Posterior Spinal Approach device of the utility model is connect by interconnecting piece with screw-rod, to which ontology is navigated to osteotomy site, the position of ontology is equivalent to the rear post part of backbone, and ontology can promote Bone Ingrowth, the knitting of post part after promoting, the reconstruction of post part after backbone is ultimately formed, realizes steady in a long-term, reduces postoperative risk.
Description
Technical field
The utility model relates to medical instruments fields, in particular to a kind of Via Posterior Spinal Approach device.
Background technique
The backbone of human body can be destroyed due to sufferer or external force influence, such as vertebral tumor, serious splintered fracture
And the infectious diseases such as tuberculosis, and may cause spinal cord, nervous lesion or occur vertebra section collapse and the angulation deformity of backbone,
Neurological dysfunction or the obvious person of angulation deformity often need row Vertebrae resection.
The stability of human spine is determined by the structure of backbone, according to three columns theory, is distinguished from the anatomic form of backbone,
The anterior longitudinal ligament of backbone and preceding 1/3 part of vertebra are the front pillar of backbone, and rear the 2/3 of vertebra forms in backbone with posterior longitudinal ligament
Post part, the cantle and interspinous ligament of vertebra form the rear pillar of backbone.
When implementing Vertebrae resection, the rear post part of posterior resection backbone, that is, vertebral arch, the vertebra of centrum can be first passed through
Plate and spinous process part, so the front pillar of backbone and the stability of center pillar are obtained by prosthetic vertebral replacement after this kind of operation is implemented
Very good solution, and the stability of backbone rear pillar can not be rebuild again.
Utility model content
The main purpose of the utility model is to provide one kind, to solve Vertebrae resection posterior spinal in the prior art
The problem of post part can not be rebuild afterwards.
To achieve the goals above, one aspect according to the present utility model provides a kind of Via Posterior Spinal Approach device, packet
Include: ontology, the side of the centrum of the separate human body of spinal cord is arranged in ontology, for promoting Bone Ingrowth；Interconnecting piece is arranged in ontology
On, for connecting with screw-rod to fix ontology.
Further, the myelopetal rear side of back of ontology has the bone grafting structure for Bone Ingrowth.
Further, the myelopetal rear side surface of the back of ontology is in trabecular bone structure.
Further, ontology towards myelopetal front side surface be in smooth surface.
Further, ontology is plate-like, and the direction that spinal cord is directed away from the middle part of ontology is prominent to form segmental arc, ontology
Horizontal cross-section it is arched.
Further, interconnecting piece includes multiple grapples, is separately positioned on the two sides of ontology, for connecting with screw-rod.
Further, ontology is plate-like, and the lateral end face connection in the left and right of grapple and ontology, grapple is directed away from the side of spinal cord
To extension.
Further, multiple grapple opposing bodies are symmetrically arranged.
Further, Via Posterior Spinal Approach device further includes that two cross are convex, the convex left and right sides for being separately positioned on ontology of two cross
And extend towards the left and right outside of ontology, the convex two sides up and down of each cross are provided with grapple.
Further, Via Posterior Spinal Approach device further includes that two cross are convex, the convex left and right sides for being separately positioned on ontology of two cross
And extend towards the left and right outside of ontology, the arc-shaped face in one end of horizontal convex separate ontology.
The Via Posterior Spinal Approach device of the utility model is connect by interconnecting piece with screw-rod, so that ontology is navigated to osteotomy
Position, the position of ontology is equivalent to the rear post part of backbone, and ontology can promote Bone Ingrowth, that is, the bone of post part after promoting
Healing ultimately forms the reconstruction of post part after backbone, realizes steadily in the long term, reduces postoperative risk.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the stereoscopic schematic diagram of the embodiment of Via Posterior Spinal Approach device according to the present utility model；
Fig. 2 shows the axial schematic diagrames of the embodiment of Via Posterior Spinal Approach device according to the present utility model；
Fig. 3 shows the stereoscopic schematic diagram of the spinal tissues of the Via Posterior Spinal Approach device with the utility model；And
Fig. 4 shows the positive schematic diagram of the spinal tissues of the Via Posterior Spinal Approach device with the utility model.
Wherein, the above drawings include the following reference numerals:
10, ontology；20, grapple；30, horizontal convex；100, screw-rod.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
The utility model provides a kind of Via Posterior Spinal Approach device, and as shown in Figures 1 to 4, which includes: this
Body 10, the side of the centrum of the separate human body of spinal cord is arranged in ontology 10, for promoting Bone Ingrowth；Interconnecting piece is arranged in ontology
On 10, for being connect with screw-rod 100 to fix ontology 10.
The Via Posterior Spinal Approach device of the utility model is connect by interconnecting piece with screw-rod 100, so that ontology 10 be positioned
To osteotomy site, the position of ontology 10 is equivalent to the rear post part of backbone, and ontology 10 can promote Bone Ingrowth, that is, after promoting
The knitting of post part ultimately forms the reconstruction of post part after backbone, realizes steadily in the long term, reduces postoperative risk.
Preferably, the myelopetal rear side of back of ontology 10 has the bone grafting structure for Bone Ingrowth.The bone grafting structure can be
Promote Bone Ingrowth structure, or accommodate bone grafting tissue structure, wherein accommodate bone grafting tissue structure include holding tank,
Accommodating chamber etc. with opening.
Preferably, as shown in Figure 1, the myelopetal rear side surface of the back of ontology 10 is in trabecular bone structure.
Trabecular bone structure can promote Bone Ingrowth, so that the trailing flank of ontology 10 forms the bone bed of bone grafting, final knitting
Afterwards formed backbone after post part reconstruction, to form stable fixed effect at a specified future date.
Trabecular bone structure is a kind of microcellular structure grown into convenient for osteocyte, which is a kind of interconnected more
To micro hole structure, pore diameter is 500 μm to 1000 μm, it is therefore preferable to 800 μm.The hole is conducive to osteocyte and creeps length
Enter, so that bone fusion occurs for the faying face of the trabecular bone structure of postoperative centrum prosthese to reach steady in a long-term with physiology bone structure.
Preferably, as shown in Fig. 2, ontology 10 towards myelopetal front side surface be in smooth surface.
Ontology 10 carries out high polishing processing towards myelopetal front side surface, can form the protection to canalis spinalis and subtract
The adhesion of few soft tissue.
Preferably, ontology 10 is plate-like, and the direction that the middle part of ontology 10 is directed away from spinal cord is prominent to form segmental arc, this
The horizontal cross-section of body 10 is arched.
Since ontology 10 is located at the position of Via Posterior Spinal Approach, the front side surface of ontology 10 is towards myelopetal direction, therefore ontology
10 middle bent forms arch, can form the protection to canalis spinalis and the occupy-place to spinal cord.
Preferably, interconnecting piece includes multiple grapples 20, is separately positioned on the two sides of ontology 10, is used for and screw-rod 100
Connection.
It is highly preferred that as Fig. 1 and Fig. 2 shows embodiment, ontology 10 is plate-like, and grapple 20 and the left and right of ontology 10 are lateral
End face connection, the direction that grapple 20 is directed away from spinal cord extend.In this embodiment, 4 are symmetrically provided on ontology 10 to grab
Hook 20.
Ontology 10 is arranged on screw-rod 100 by grapple 20, combines fixation, ontology with the completion of screw-rod 100
10 can be similar to the purpose that baffle equally plays protection spinal cord.
Preferably, multiple 20 opposing bodies 10 of grapple are symmetrically arranged.
It is highly preferred that Via Posterior Spinal Approach device further includes two cross convex 30, two cross convex 30 are separately positioned on a left side for ontology 10
Right two sides and towards ontology 10 left and right outside extend, the two sides up and down of each cross convex 30 are provided with grapple 20.
Preferably, Via Posterior Spinal Approach device further includes two cross convex 30, and two cross convex 30 are separately positioned on the left and right of ontology 10
Two sides and towards ontology 10 left and right outside extend, cross convex 30 separate ontology 10 the arc-shaped face in one end.
Cross convex 30 can preferably realize the attachment of muscle ligament, promote the growth and healing of backbone soft tissue, realize more preferable
Post surgery stabilization.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of Via Posterior Spinal Approach device characterized by comprising
Ontology (10), the side of the centrum of the separate human body of spinal cord is arranged in the ontology (10), for promoting Bone Ingrowth；
Interconnecting piece is arranged on the ontology (10), for connecting with screw-rod (100) with the fixation ontology (10).
2. Via Posterior Spinal Approach device according to claim 1, which is characterized in that the spinal cord backwards of the ontology (10)
Rear side has the bone grafting structure for Bone Ingrowth.
3. Via Posterior Spinal Approach device according to claim 2, which is characterized in that the spinal cord backwards of the ontology (10)
Rear side surface is in trabecular bone structure.
4. Via Posterior Spinal Approach device according to claim 1, which is characterized in that the ontology (10) towards the spinal cord
Front side surface is in smooth surface.
5. Via Posterior Spinal Approach device according to claim 1, which is characterized in that the ontology (10) is plate-like, the ontology
(10) direction that the spinal cord is directed away from the middle part of is prominent to form segmental arc, and the horizontal cross-section of the ontology (10) is in bow
Shape.
6. Via Posterior Spinal Approach device according to claim 1, which is characterized in that the interconnecting piece includes multiple grapples (20),
The two sides of the ontology (10) are separately positioned on, for connecting with the screw-rod (100).
7. Via Posterior Spinal Approach device according to claim 6, which is characterized in that the ontology (10) is plate-like, the grapple
(20) it is connect with the lateral end face in left and right of the ontology (10), the direction that the grapple (20) is directed away from the spinal cord extends.
8. Via Posterior Spinal Approach device according to claim 6, which is characterized in that multiple relatively described ontologies of grapple (20)
(10) it is symmetrically arranged.
9. Via Posterior Spinal Approach device according to claim 6, which is characterized in that the Via Posterior Spinal Approach device further includes two cross
Convex (30), two cross convex (30) are separately positioned on the left and right sides of the ontology (10) and towards a left sides for the ontology (10)
Right outside extends, and the two sides up and down of each cross convex (30) are provided with the grapple (20).
10. Via Posterior Spinal Approach device according to claim 1, which is characterized in that the Via Posterior Spinal Approach device further includes two
Horizontal convex (30), two cross convex (30) are separately positioned on the left and right sides of the ontology (10) and towards the ontologies (10)
Left and right outside extends, the arc-shaped face in one end far from the ontology (10) of the cross convex (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399191.9U CN208511266U (en) | 2017-10-26 | 2017-10-26 | Via Posterior Spinal Approach device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399191.9U CN208511266U (en) | 2017-10-26 | 2017-10-26 | Via Posterior Spinal Approach device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208511266U true CN208511266U (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721399191.9U Active CN208511266U (en) | 2017-10-26 | 2017-10-26 | Via Posterior Spinal Approach device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107669376A (en) * | 2017-10-26 | 2018-02-09 | 北京爱康宜诚医疗器材有限公司 | Via Posterior Spinal Approach device |
-
2017
- 2017-10-26 CN CN201721399191.9U patent/CN208511266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107669376A (en) * | 2017-10-26 | 2018-02-09 | 北京爱康宜诚医疗器材有限公司 | Via Posterior Spinal Approach device |
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