CN209154115U - 3D printing artificial vertebral body - Google Patents
3D printing artificial vertebral body Download PDFInfo
- Publication number
- CN209154115U CN209154115U CN201820400618.0U CN201820400618U CN209154115U CN 209154115 U CN209154115 U CN 209154115U CN 201820400618 U CN201820400618 U CN 201820400618U CN 209154115 U CN209154115 U CN 209154115U
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- China
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- vertebral body
- support component
- artificial vertebral
- nail hole
- printing artificial
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Abstract
This application discloses a kind of 3D printing artificial vertebral bodies, including the first support component and the second support component being connected with the first support component, first support component and second support component run through the upper surface and the lower surface of 3D printing artificial vertebral body, first support component is placed in the rear side of the 3D printing artificial vertebral body, first support component is the U-shaped structure to 3D printing artificial vertebral body depression in centre, gap between first support component and the second support component is equipped with obturator, and obturator by several diameters is 0.2mm-2mm, the micropore that porosity is 60%-80% forms.The 3D printing artificial vertebral body of the application, it is biggish to close on centrum contact area with high bio-imitability, it improves centrum and bears to squeeze required rigidity；With normal vertebral body elasticity modulus buffer function, the raising of high porosity micropore closes on centrum bone tissue and cavity is implanted into growing into for bone tissue, improves syncretizing effect.
Description
Technical field
The utility model relates to medical fields, more specifically, being a kind of 3D printing artificial vertebral body.
Background technique
The sufferer that the Vertebrals such as the serious blow-out fracture of tumor of spine, backbone seriously destroy, treatment method are mainly
Full Vertebrae resection, which can seriously destroy the stability of spinal biomechanics, all to implement full vertebral resection patient, be both needed to
Rebuild spinal stability, i.e., the implantable artificial centrum at the centrum of excision, of traditional artificial vertebral body not directed to patient
Propertyization design, does not have buffer function, while its support stiffness is inadequate after being squeezed, and the treatment effect of rationality is not achieved
Fruit.
Summary of the invention
The purpose of this utility model is to provide a kind of 3D printing artificial vertebral bodies to meet in human body with high bio-imitability
The personalized designs of centrum meet human anatomic structure, biomethanics and bone tissue and grow into, biggish to close on centrum contact surface
Product improves centrum and bears to squeeze required rigidity；With normal vertebral body elasticity modulus buffer function, the raising of high porosity micropore is faced
Nearly centrum bone tissue and cavity are implanted into growing into for bone tissue, improve syncretizing effect.
Its technical solution is as follows:
3D printing artificial vertebral body includes the first support component and the second support component for being connected with first support component,
First support component and second support component run through the upper surface and the lower surface of the 3D printing artificial vertebral body, institute
The rear side that the first support component is placed in the 3D printing artificial vertebral body is stated, first support component is artificial to the 3D printing
The U-shaped plate structure of centrum depression in centre, the gap between first support component and second support component, which is equipped with, to be filled out
Fill body, the obturator is made of micropore, the micro-pore diameter be 0.2mm-2mm, the obturator also have upper surface and under
Surface.
Second support component include the first support plate and the second support plate, first support plate with described second
Fagging is arranged relative to 3D printing artificial vertebral body central axes at axial symmetry, first support plate and second support plate
Angle with horizontal direction is 60 degree of -90 degree.
Connection component is equipped between first support component and second support component, the connection component is also at least
Part runs through the upper surface and the lower surface of the 3D printing artificial vertebral body.
The connection component includes the first connecting plate and the second connecting plate, first connecting plate and second connecting plate
Angle with horizontal direction is 60 degree of -90 degree, first connecting plate and second connecting plate and second support component
Between be equipped with connection ring, the connection ring include the first connection ring and the second connection ring, first connection ring and described second
Connection ring is sheathed on first support plate, second support plate, first connecting plate and second connecting plate.
The middle part of the obturator is equipped with cavity, which is located at first connecting plate, second connecting plate, described
Between second support component, first connection ring and second connection ring, which communicates with the micropore.
The connection component and second support component are set on the inside of the U-shaped plate structure two sides.
The first nail hole frame and the second nail hole frame, first nail hole are respectively equipped in the middle part of first support component two sides
Frame is connected after running through first support component with first support plate, and the second nail hole frame runs through the first support group
It is connected after part with second support plate, the first nail hole frame is located at the outside of first connecting plate, second nail hole
Frame is located on the outside of second connecting plate, and the first nail hole frame and the second nail hole frame be located at first connection ring and
Between second connection ring.
The diameter for the nail hole that the first nail hole frame and the second nail hole frame are formed in first support component is
6mm-8mm, the angle of the central axes and horizontal direction of the first nail hole frame and the second nail hole frame are 0 degree of -15 degree.
Oblique type groove is respectively equipped with immediately below the first nail hole frame and the second nail hole frame, the oblique type groove is straight
Diameter is 3mm-5mm.
The micropore by quadrangle and hexagonal groups at the tetrakaidecahedron or combined by the dodecahedron that quadrangle forms and
At the micropore rate is 60%-80%.
The advantages of below to the utility model or principle are illustrated:
1, the first support component of plate and the second support component for running through 3D printing artificial vertebral body ensure that 3D printing people
The rigidity of work centrum, making 3D printing artificial vertebral body is not in excessive deformation when being squeezed, the filling of several micropore compositions
Body is unlikely to make 3D printing artificial vertebral body because excessive when 3D printing artificial vertebral body is squeezed with certain buffer function
Impact force be damaged, the centrum bone tissue above 3D printing artificial vertebral body can by the micropore of obturator upper surface into
Enter 3D printing artificial vertebral body, the centrum bone tissue below 3D printing artificial vertebral body can enter 3D by the lower surface of obturator
Artificial vertebral body is printed, 3D printing artificial vertebral body is increased and closes on the interfacial contact area of centrum, meanwhile, the upper surface of obturator
And the micropore of lower surface has certain anti-skidding effect, makes between the 3D printing artificial vertebral body of implantation and the centrum of over and under
Will not occur the case where shifting and misplacing because of activity,
2, the U-shaped plate structure of the first support plate, increases the support force of backbone center pillar, and recessed portion thereon avoids compressing hard
Spinal meninges capsule, spinal cord, nerve root, meanwhile, the two sides of U-shaped plate structure increase 3D printing artificial vertebral body stability and support force
Degree, U-shaped plate structure are convenient for 3D printing artificial vertebral body to be put into human body without easy damaged spinal cord, nerve root and surrounding during operation
Soft tissue.
3, symmetrical and the first support plate that with horizontal direction there is certain angle to be arranged and the second support plate increase 3D and beat
The rigidity for printing artificial vertebral body makes 3D printing artificial vertebral body excessive deformation, fracture do not occur because squeezing.
4, the connection component for partially running through 3D printing artificial vertebral body, which increase the rigid of 3D printing artificial vertebral body center pillar
Property.
5, the first connecting plate of connection component, the second connecting plate, the first connection ring and the second connection ring make the first support group
Part and the second support component securely connect, while keeping the space between the first support component and the second support component more firm,
Make obturator that excessive deformation, fracture will not occur because squeezing.
6, the cavity that the 3D printing artificial vertebral body is equipped with, inside can be put into human body autologous bone or homogeneous allogenic bone, and it is empty
Chamber is communicated with micropore, then making to close on centrum bone tissue can be by the over and under of cavity and the upper following table of 3D printing artificial vertebral body
The micropore in face is grown into, and be ensure that and is closed on sufficiently merging for centrum and 3D printing artificial vertebral body, and local stability is improved.
7, connect the first support component and the second support component the first nail hole frame and the second nail hole frame, inside can be screwed into
Pedicle screw is used to be connected and fixed 3D printing artificial vertebral body by rear and closes on centrum, meanwhile, the first nail hole frame and second
It is stronger that nail hole frame connects the first support component and the second support component.
8, the first nail hole frame and the second nail hole frame being obliquely installed strengthen the steady of on the outside of 3D printing artificial vertebral body and rear
Solidity.
9, the oblique type groove below the first nail hole frame and the second nail hole frame, position setting meet spinal nerves root and walk
To, while tiltedly the size design of type groove then avoids the compressing and damage to the nerve by oblique type groove.
Detailed description of the invention
Fig. 1 is the top view of the utility model embodiment；
Fig. 2 is the schematic perspective view without obturator of the utility model embodiment；
Fig. 3 is the top view of Fig. 2 of the utility model embodiment；
Fig. 4 is the rearview of the utility model embodiment；
Fig. 5 is the cross-sectional view of the utility model embodiment.
Description of symbols:
10, the first support component；20, the second support component；21, the first support plate；22, the second support plate；30, connection group
Part；31, the first connecting plate；32, the second connecting plate；33, the first connection ring；34, the second connection ring；40, the first nail hole frame；50,
Second nail hole frame；60, oblique type groove.
Specific embodiment
The embodiments of the present invention are described in detail below.
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of the utility model embodiment.The present embodiment discloses a kind of for being implanted into
3D printing artificial vertebral body in human spine lesion or destroys vertebra in the height and human body of the 3D printing artificial vertebral body of the present embodiment
The total height of body and upper and lower interverbebral disc is identical, as shown in Fig. 2, the 3D printing artificial vertebral body of the present embodiment includes the first support component
10 and the second support component 20 for being connected with the first support component 10, the first support component 10 and the second support component 20 are run through
The upper surface and the lower surface of 3D printing artificial vertebral body.Wherein, the first support component 10 is located at the rear side of 3D printing artificial vertebral body, and
First support component 10 is the U-shaped plate structure of 3D printing artificial vertebral body depression in centre, in the present embodiment, U-shaped plate structure
The radius of recessed portion is 12mm-15mm, and the distance between U-shaped structure two sides are lesion or destruction centrum width.Second support
Component 20 includes the first support plate 21 and the second support plate 22, and the first support plate 21 and the second support plate 22 are relative to 3D printing people
Work centrum central axes are arranged at axial symmetry, and the angle of the first support plate 21 and the second support plate 22 and horizontal direction be 60 degree-
90 degree.
Connection component 30, connection component 30 and the second support are equipped between first support component 10 and the second support component 20
Component 20 is set on the inside of U-shaped structure two sides, and connection component 30 also at least partly runs through the upper table of 3D printing artificial vertebral body
Face and lower surface, as shown in Fig. 2, connection component 30 includes the first connecting plate 31, the second connecting plate 32 and connection ring, the first connection
Plate 31 and the second connecting plate 32 are also arranged relative to 3D printing artificial vertebral body at axial symmetry, meanwhile, the first connecting plate 31 and second connects
Fishplate bar 32 and the angle of horizontal direction are 60 degree of -90 degree.The first support plate 21, the second support plate 22, first being obliquely installed connect
Fishplate bar 31 and the second connecting plate 32 strengthen the stability of 3D printing artificial vertebral body.As Figure 1 and Figure 4, connection ring includes first
Connection ring 33 and the second connection ring 34, the first connection ring 33 and the second connection ring 34 are sheathed on the support of the first support plate 21, second
Plate 22, the first connecting plate 31 and the second connecting plate 32.
Gap between first support component 10, the second support component 20 and connection component 30 is equipped with obturator, obturator
It is made of several micropores, micro-pore diameter 0.2mm-2mm, the quadrangle and hexagonal groups that micropore is 60%-80% by porosity
At the tetrakaidecahedron or be composed of the dodecahedron that quadrangle forms, obturator also has the upper surface and the lower surface, filling
The upper surface and the lower surface of body has certain antiskid effect, filled 3D printing artificial vertebral body and 10 phase of the first support component
Pair another side be arcwall face, the middle part of obturator is equipped with cavity, the cavity be located at the first connecting plate 31, the second connecting plate 32,
Between second support component 20, the first connection ring 33 and the second connection ring 34, cavity is communicated with micropore, for being implanted into the cavity
Human body autologous bone or homogeneous allogenic bone, the bone tissue for closing on centrum can be grown by the top, lower section and micropore of cavity to be mentioned
High fusion rate, the presence of micropore increase interfacial contact area and fusion area.
As shown in figure 4, in order to be connected and fixed after the implantation of 3D printing artificial vertebral body with intercolumnar, in the first support component 10
U-shaped plate structure two sides in the middle part of be respectively equipped with the first nail hole frame 40 and the second nail hole frame 50, the first nail hole frame 40 runs through
It is connected after first support component 10 with the first support plate 21, the second nail hole frame 50 supports after running through the first support component 10 with second
Plate 22 is connected, and the first nail hole frame 40 is located at the outside of the first connecting plate 31, and the second nail hole frame 50 is located at the outer of the second connecting plate 32
Side, as shown in figure 5, the first nail hole frame 40 and the second nail hole frame 50 are respectively positioned between the first connection ring 33 and the second connection ring 34,
The nail hole diameter that first nail hole frame 40 and the second nail hole frame 50 are formed in the first support component 10 is 6mm-8mm, the first nail hole
The angle of the central axes and horizontal direction of frame 40 and the second nail hole frame 50 is 0 degree of -15 degree, meanwhile, the first nail hole frame 40 and second
Angle between the two sides of one end that nail hole frame 50 is connected with the first support plate 21 and the second support plate 22 respectively is 60 degree -90
Degree, the first nail hole frame 40 and the second nail hole frame 50 are for being screwed into pedicle screw.
Endorchis, spinal cord or nerve root are damaged in order to be reduced or avoided in 3D printing artificial vertebral body implantation process, such as Fig. 4 institute
Show, is respectively equipped with oblique type groove 60 in the underface of the first nail hole frame 40 and the second nail hole frame 50, oblique type groove 60 is nerve root
Trend and size are greater than nerve root size, and the diameter of oblique type groove is 3mm-5mm in the present embodiment.
The advantages of the present embodiment, is as follows:
1, plate the first support component 10 and the second support component 20 for running through 3D printing artificial vertebral body ensure that 3D is beaten
The rigidity of artificial vertebral body is printed, making 3D printing artificial vertebral body is not in excessive deformation when being squeezed, several micropore compositions
Obturator, when 3D printing artificial vertebral body is squeezed with certain buffer function, be unlikely to make 3D printing artificial vertebral body because
Excessive impact force is damaged, and the centrum bone tissue above 3D printing artificial vertebral body can pass through the micro- of obturator upper surface
Hole enters 3D printing artificial vertebral body, the centrum bone tissue below 3D printing artificial vertebral body can by the lower surface of obturator into
Enter 3D printing artificial vertebral body, increase and 3D printing artificial vertebral body and close on the interfacial contact area of centrum, meanwhile, obturator it is upper
The micropore of surface and lower surface has certain anti-skidding effect, makes the 3D printing artificial vertebral body of implantation and the centrum of over and under
Between will not occur the case where shifting and misplacing because of activity.
2, the U-shaped plate structure of the first support plate 10, increases the support force of backbone center pillar, and recessed portion thereon avoids oppressing
Dural sac, spinal cord, nerve root, meanwhile, the two sides of U-shaped plate structure increase 3D printing artificial vertebral body stability and support force
Degree, U-shaped plate structure are convenient for 3D printing artificial vertebral body to be put into human body without easy damaged spinal cord, nerve root and surrounding during operation
Soft tissue.
3, symmetrical and the first support plate 21 that with horizontal direction there is certain angle to be arranged and the second support plate 22 increase
The rigidity of 3D printing artificial vertebral body makes 3D printing artificial vertebral body excessive deformation, fracture do not occur because squeezing.
4, the connection component 30 for partially running through 3D printing artificial vertebral body, which increase the rigid of 3D printing artificial vertebral body center pillar
Property.
5, the first connecting plate 31 of connection component 30, the second connecting plate 32, the first connection ring 33 and the second connection ring 34, make
First support component 10 and the securely connection of the second support component 20, at the same make the first support component 10 and the second support component 20 it
Between space it is more firm, make obturator that excessive deformation, fracture will not occur because squeezing.
6, the cavity that the 3D printing artificial vertebral body is equipped with, inside can be put into human body autologous bone or homogeneous allogenic bone, and it is empty
Chamber is communicated with micropore, then making to close on centrum bone tissue can be by the over and under of cavity and the upper following table of 3D printing artificial vertebral body
The micropore in face is grown into, and be ensure that and is closed on sufficiently merging for centrum and 3D printing artificial vertebral body, and local stability is improved.
7, the first nail hole frame 40 and the second nail hole frame 50 of the first support component 10 and the second support component 20 are connected, in
Portion can be screwed into pedicle screw for being connected and fixed 3D printing artificial vertebral body by rear and closing on centrum, meanwhile, the first nail hole
It is stronger that frame 40 and the second nail hole frame 50 connect the first support component 10 and the second support component 20.
8, the first nail hole frame 40 and the second nail hole frame 50 being obliquely installed strengthen 3D printing artificial vertebral body outside and rear
Stability.
9, set on the oblique type groove 60 of 50 lower section of the first nail hole frame 40 and the second nail hole frame, position setting meets backbone mind
It is moved towards through root, while tiltedly the size design of type groove 60 is then avoided to the compressing and damage by the nerve at oblique type groove 60
Wound.
The above are only specific embodiments of the present invention, does not limit the protection scope of the utility model with this；Not
It violates made any replacement on the basis of the utility model is conceived and improves, the category protection scope of the utility model.
Claims (10)
1.3D prints artificial vertebral body, which is characterized in that the to be connected including the first support component and with first support component
Two support components, first support component and second support component run through the upper surface of the 3D printing artificial vertebral body
And lower surface, first support component are placed in the rear side of the 3D printing artificial vertebral body, first support component is to institute
The U-shaped plate structure of 3D printing artificial vertebral body depression in centre is stated, between first support component and second support component
Gap be equipped with obturator, the obturator is made of micropore, and the micro-pore diameter is 0.2mm-2mm, and the obturator also has
There is the upper surface and the lower surface.
2. 3D printing artificial vertebral body as described in claim 1, which is characterized in that second support component includes the first support
Plate and the second support plate, first support plate and second support plate relative to 3D printing artificial vertebral body central axes at
The angle of axial symmetry setting, first support plate and second support plate and horizontal direction is 60 degree of -90 degree.
3. 3D printing artificial vertebral body as claimed in claim 2, which is characterized in that first support component and second described
Connection component is equipped between support component, the connection component also at least partly runs through the upper surface of the 3D printing artificial vertebral body
And lower surface.
4. 3D printing artificial vertebral body as claimed in claim 3, which is characterized in that the connection component include the first connecting plate and
Second connecting plate, first connecting plate and second connecting plate and the angle of horizontal direction be 60 degree -90 degree, described first
Connection ring is equipped between connecting plate and second connecting plate and second support component, the connection ring includes the first connection
Ring and the second connection ring, first connection ring and second connection ring are sheathed on first support plate, second described
Fagging, first connecting plate and second connecting plate.
5. 3D printing artificial vertebral body as claimed in claim 4, which is characterized in that the middle part of the obturator is equipped with cavity, should
Cavity is located at first connecting plate, second connecting plate, second support component, first connection ring and described
Between two connection rings, which communicates with the micropore.
6. 3D printing artificial vertebral body as claimed in claim 5, which is characterized in that the connection component and the second support group
Part is set on the inside of the U-shaped plate structure two sides.
7. 3D printing artificial vertebral body as claimed in claim 6, which is characterized in that part in first support component two sides
Not She You the first nail hole frame and the second nail hole frame, the first nail hole frame run through first support component after with described first
Fagging is connected, and the second nail hole frame is connected after running through first support component with second support plate, first nail
Aperture frame is located at the outside of first connecting plate, and the second nail hole frame is located on the outside of second connecting plate, and described first
Nail hole frame and the second nail hole frame are between first connection ring and second connection ring.
8. 3D printing artificial vertebral body as claimed in claim 7, which is characterized in that the first nail hole frame and second nail hole
The diameter for the nail hole that frame is formed in first support component is 6mm-8mm, the first nail hole frame and second nail hole
The central axes of frame and the angle of horizontal direction are 0 degree of -15 degree.
9. such as claim 7 or 3D printing artificial vertebral body according to any one of claims 8, which is characterized in that the first nail hole frame and
Oblique type groove is respectively equipped with immediately below the second nail hole frame, the oblique type groove diameter is 3mm-5mm.
10. 3D printing artificial vertebral body as claimed in claim 9, which is characterized in that the micropore is by quadrangle and hexagonal groups
At the tetrakaidecahedron or be composed of the dodecahedron that quadrangle forms, the micropore rate is 60%-80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820400618.0U CN209154115U (en) | 2018-03-23 | 2018-03-23 | 3D printing artificial vertebral body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820400618.0U CN209154115U (en) | 2018-03-23 | 2018-03-23 | 3D printing artificial vertebral body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209154115U true CN209154115U (en) | 2019-07-26 |
Family
ID=67326284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820400618.0U Active CN209154115U (en) | 2018-03-23 | 2018-03-23 | 3D printing artificial vertebral body |
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| Country | Link |
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| CN (1) | CN209154115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115923121A (en) * | 2022-12-05 | 2023-04-07 | 武汉大学 | 3D prints from perception dummy cervical vertebra |
-
2018
- 2018-03-23 CN CN201820400618.0U patent/CN209154115U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115923121A (en) * | 2022-12-05 | 2023-04-07 | 武汉大学 | 3D prints from perception dummy cervical vertebra |
| CN115923121B (en) * | 2022-12-05 | 2024-02-27 | 武汉大学 | 3D prints from perception dummy cervical vertebra |
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