CN208974217U - A kind of connector repaired conducive to defective bone face - Google Patents
A kind of connector repaired conducive to defective bone face Download PDFInfo
- Publication number
- CN208974217U CN208974217U CN201820082188.2U CN201820082188U CN208974217U CN 208974217 U CN208974217 U CN 208974217U CN 201820082188 U CN201820082188 U CN 201820082188U CN 208974217 U CN208974217 U CN 208974217U
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- China
- Prior art keywords
- connecting rod
- fixinig plate
- connector
- tapered portion
- defective bone
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Abstract
The utility model discloses a kind of connectors repaired conducive to defective bone face, including outer fixinig plate, interior fixinig plate, it is connected between outer fixinig plate and interior fixinig plate by connector, outer fixinig plate is covered in the outer surface in defective bone face, interior fixinig plate is located at the inner surface in defective bone face, connector passes through defective bone covering weave, and the connector includes first connecting rod, the second connecting rod, the first tapered portion, the second tapered portion, third connecting rod, the 4th connecting rod.The utility model is by being arranged outer fixinig plate, interior fixinig plate, and external fixinig plate, the shape of interior fixinig plate are identical as defective tissue surface shape, outer fixinig plate is located at the outer surface of defective tissue, and the inner surface of defective tissue is arranged in interior fixinig plate, the tissue being implanted into after defect can be fixed in the setting of intermediate connector, conducive to the connector surrounding growth of defective tissue, histocompatbility is improved.
Description
Technical field
The utility model relates to technical field of medical equipment, and in particular to a kind of connector repaired conducive to defective bone face.
Background technique
Medical embedded prosthese is widely used at present, and existing major part skull implantation prosthese is porous metals
Stainless steel, porous metals titanium etc., osteocyte cannot be closed with the prosthese of such substrate matter length, to influence prosthese and body bone tissue
It is firm to combine, so that hidden danger is carried out in the stabilized zone to skull bone implant.
In Craniocerebral Surgery, the closing of skull defeci and the fixation of cranial bone flap are the operations routinely carried out.At present
Clinically have the skull fixators applications such as titanium alloy, stainless steel, although titanium alloy, stainless steel have good bio-compatible
Property, and there are few side effects, but being implanted into after human body just will be as a kind of perpetuity foreign matter, this is the defect that it can not overcome.Meanwhile
It is still necessary to specific purpose tools when operation, use and are also more troublesome.
Based on this, studies and design a kind of connector repaired conducive to defective bone face.
Utility model content
The technical problem to be solved by the utility model is to existing skull implant infrastructure, its intensity is low after the implantation, nothing
Method has the function that head injury tissue is fixed.
The utility model is achieved through the following technical solutions:
A kind of connector repaired conducive to defective bone face, including outer fixinig plate, interior fixinig plate, outer fixinig plate and interior fixinig plate
Between connected by connector, outer fixinig plate is covered in the outer surface in defective bone face, and interior fixinig plate is located at the interior table in defective bone face
Face, connector pass through defective bone covering weave, and the connector includes first connecting rod, the second connecting rod, the first tapered portion, second
Tapered portion, third connecting rod, the 4th connecting rod, one end of the first connecting rod and the lower surface of outer fixinig plate detachably connect
It connects, the other end of first connecting rod is detachably connected with the first tapered portion, and the first tapered portion is that cross section is round, and round straight
Diameter successively reduces from top to bottom, and the lower end of the first tapered portion is connect with third connecting rod；
One end of second connecting rod is connect with the upper surface of interior fixinig plate, the other end of the second connecting rod and the second tapered portion
Connection, the structure of the second tapered portion is identical as the structure of the first tapered portion, and the first tapered portion is connect with the 4th connecting rod, and third connects
Extension bar is detachably connected with the 4th connecting rod.
Further, it is circular structure that the third connecting rod, which is cross section, and the 4th connecting rod is in upper end opening
Hollow structure, third connecting rod are inserted into the inside of the 4th connecting rod.
Further, the shape adaptation of the third connecting rod and the 4th connecting rod, and to be threadedly coupled.
Further, the inner surface of the 4th connecting rod is equipped with internal screw thread, and the outer surface of third connecting rod is equipped with outer spiral shell
Line, the longitudinal length of third connecting rod are less than or equal to the longitudinal length of the 4th connecting rod.
Further, the opening diameter of the 4th connecting rod is equal with the opening diameter of third connecting rod.
Further, the first connecting rod, the second connecting rod are hollow structure.
Further, the contact jaw of second connecting rod and interior fixinig plate extends to the lower surface of interior fixinig plate.
Further, the cross section of second tapered portion is circle, and round diameter is sequentially increased from top to bottom
The utility model has the following advantages and benefits:
The utility model is by being arranged outer fixinig plate, interior fixinig plate, and the shape and defect of external fixinig plate, interior fixinig plate
Tissue surface shape is identical, and outer fixinig plate is located at the outer surface of defective tissue, and the interior table of defective tissue is arranged in interior fixinig plate
The tissue being implanted into after defect can be fixed in the setting in face, intermediate connector, conducive to the connector surrounding growth of defective tissue,
Improve histocompatbility.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model.
Label and corresponding parts title in attached drawing:
1-outer fixinig plate, 2-first connecting rods, the 3-the first tapered portion, 4-third connecting rods, the 5-the four connecting rod,
6-the second tapered portion, the 7-the second connecting rod, 8-interior fixinig plates.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of connector repaired conducive to defective bone face, including outer fixinig plate 1, interior fixinig plate 8, outer fixation
It is connected between piece 1 and interior fixinig plate 8 by connector, outer fixinig plate 1 is covered in the outer surface in defective bone face, interior fixinig plate 8
Inner surface in defective bone face, connector pass through defective bone covering weave, and the connector includes that first connecting rod 2, second connects
Bar 7, the first tapered portion 3, the second tapered portion 6, third connecting rod 4, the 4th connecting rod 5, one end of the first connecting rod 2 and outer
The lower surface of fixinig plate 1 is detachably connected, and the other end of first connecting rod 2 is detachably connected with the first tapered portion 3, the first taper
Portion 3 is that cross section is round, and round diameter successively reduces from top to bottom, and the lower end of the first tapered portion 3 and third connecting rod 4 connect
It connects；
One end of second connecting rod 7 is connect with the upper surface of interior fixinig plate 8, the other end of the second connecting rod 7 and the second cone
Shape portion 6 connects, and the structure of the second tapered portion 6 is identical as the structure of the first tapered portion 3, and the first tapered portion 3 and the 4th connecting rod 5 connect
It connects, third connecting rod 4 is detachably connected with the 4th connecting rod 5.
In the present embodiment, the specific structure of outer fixinig plate can be the reticular lamina structure with a thickness of 1-10mm, and outer fixinig plate
With certain radian, the shape that specially arches upward upwards.Specifically can also be identical for the surface shape of defective tissue, in implantation,
It is mounted on the outer surface of defective tissue, restores the original shape of damaged tissues, therefore, outer fixinig plate 1 has certain intensity, modeling
Property, because the material of furthermore fixinig plate 1 is preferably titanium alloy material, titanium alloy has preferable biocompatibility and higher machinery
Intensity can resist secondary wound, and can be easily fixed by titanium nail.It, can be outside in view of histocompatbility
The surface of fixinig plate coats hydroxyapatite coating layer.
Interior fixinig plate 8 is typically mounted at the inner surface of defective tissue in the present embodiment, common in this way between outer fixinig plate 1
Fixing piece is formed, the shape plasticity of the structure that is partially damaged is enhanced.The material of interior fixinig plate 8 is high-density porous polyethylene, should
Material has the porous structure material of good biocompatibility, is clinically widely used in craniofacial organization as a kind of implantation material and lacks
The reparation and filling of damage achieve preferable effect in the case of children and adult skulls defect.And high density is porous poly-
Ethylene has many advantages, such as that surrounding tissue can be grown into, infection rate after abortion operation is low, fixation is reliable, and high-density porous polyethylene plasticity
It is good, soften in 100 DEG C of water temperatures, cooling is hardened after moulding, the shape after can keeping moulding, can also be according to defect in art
Shape is arbitrarily modified and moulding.Therefore, the shape of the interior fixinig plate 8 of implantation can be identical with outer fixinig plate 1, to defective tissue into
Row is fixed, while being grown into conducive to surrounding tissue.
Connector specific structure first connecting rod 2, the second connecting rod 7 in the present embodiment, respectively with interior fixinig plate 8, outer
When fixinig plate 1 connects, using detachable connection method, it is conducive to installation, while settable more between interior fixinig plate 8, outer fixinig plate 1
A connecting-piece structure, while reaching fixed to defective tissue, internal fixinig plate 8, outer fixinig plate 1 itself are also a kind of solid
It is fixed, enhance the effect of moulding.
And in the present embodiment the first tapered portion 3, the second tapered portion 6, third connecting rod 4, the 4th connecting rod 5 setting, shape
At integrated connection part structure, have the function of effectively connecting interior fixinig plate 8, outer fixinig plate 1, and itself have certain strong
Degree.And the connection between third connecting rod 4, the 4th connecting rod 5 is that can be detachably connected, and is conducive to interior fixinig plate 8, outer fixinig plate 1
Between be stably connected with.
Embodiment 2:
The present embodiment the difference from embodiment 1 is that: it is circular structure that the third connecting rod 4, which is cross section, the 4th
Connecting rod 5 is the hollow structure of upper end opening, and third connecting rod 4 is inserted into the inside of the 4th connecting rod 5.The third connecting rod
4 and the 4th connecting rod 5 shape adaptation, and for be threadedly coupled.The inner surface of 4th connecting rod 5 is equipped with internal screw thread, third
The outer surface of connecting rod 4 is equipped with external screw thread, and the longitudinal length of third connecting rod 4 is less than or equal to the longitudinal length of the 4th connecting rod 5.
It is specific preferred to third connecting rod 4, the connection type of the 4th connecting rod 5 work in connector in the present embodiment, preferably
This thread connecting mode, then when third connecting rod is inserted into inside the 4th connecting rod, it is ensured that stable connection between the two.Together
When take into account and consider histocompatbility, the surface of entire connecting-piece structure can coat hydroxyapatite coating layer, hydroxyapatite
Inorganic constituents in the ingredient and normal bone of coating is very much like, and there is good biocompatibility, osteoconductive and bone to lure
The property led.After implanting, calcium and the phosphorus material surface out that can dissociate are systemically absorbed, and induce new bone growth.
Hydroxyapatite material can also be used in this body structure of connector simultaneously, drops after being implanted into a period of time conducive to connector
Solution, and degradation time can preferably be limited.And after being implanted into a period of time, interior fixinig plate is effective with surrounding tissue
In conjunction with forming good biocompatibility, decompose connector, reduce the foreign body sensation of biological tissue.
Embodiment 3:
The difference of the present embodiment and above-described embodiment is: the opening diameter and third connecting rod 4 of the 4th connecting rod 5
Opening diameter it is equal.The first connecting rod 2, the second connecting rod 7 are hollow structure.Second connecting rod 7 with it is interior solid
The contact jaw of stator 8 extends to the lower surface of interior fixinig plate 8.
Passing through the second connecting rod 7 of setting in the present embodiment is hollow structure, and the second connecting rod 7 connects with interior fixinig plate 8
Contravention extends to the lower surface of interior fixinig plate 8, and hollow structure grows into conducive to surrounding tissue such as osteocyte, so that foreign body sensation is avoided,
If tissue grows into each small spaces of implant, then the foreign body sensation between implant and tissue can be reduced, reduce infection rate.
Embodiment 4:
The difference of the present embodiment and above-described embodiment is: the opening diameter and third connecting rod 4 of the 4th connecting rod 5
Opening diameter it is equal.The first connecting rod 2, the second connecting rod 7 are hollow structure.Second connecting rod 7 with it is interior solid
The contact jaw of stator 8 extends to the lower surface of interior fixinig plate 8.
The cross section of second tapered portion 6 is circle, and round diameter is sequentially increased from top to bottom.
It is circle to the cross section of the second tapered portion 6 in the present embodiment, and round diameter is sequentially increased from top to bottom, can be subtracted
The overall volume of small connector reduces and occupies the occupied solid space of defective tissue, and can equally reach good fixed effect
Fruit.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of connector repaired conducive to defective bone face, which is characterized in that including outer fixinig plate (1), interior fixinig plate (8), outside
It is connect between fixinig plate (1) and interior fixinig plate (8) by connector, outer fixinig plate (1) is covered in the outer surface in defective bone face, interior
Fixinig plate (8) is located at the inner surface in defective bone face, and connector passes through defective bone covering weave, and the connector includes first connecting rod
(2), the second connecting rod (7), the first tapered portion (3), the second tapered portion (6), third connecting rod (4), the 4th connecting rod (5), institute
The lower surface of one end and outer fixinig plate (1) for stating first connecting rod (2) is detachably connected, the other end of first connecting rod (2) with
First tapered portion (3) is detachably connected, and the first tapered portion (3) is that cross section is round, and round diameter successively contracts from top to bottom
Small, the lower end of the first tapered portion (3) is connect with third connecting rod (4)；
One end of second connecting rod (7) is connect with the upper surface of interior fixinig plate (8), the other end and second of the second connecting rod (7)
Tapered portion (6) connection, the structure of the second tapered portion (6) is identical with the structure of the first tapered portion (3), the first tapered portion (3) and the
Four connecting rods (5) connection, third connecting rod (4) are detachably connected with the 4th connecting rod (5).
2. a kind of connector repaired conducive to defective bone face according to claim 1, which is characterized in that the third connection
Bar (4) is that cross section is circular structure, and the 4th connecting rod (5) is the hollow structure of upper end opening, third connecting rod (4) insertion
To the inside of the 4th connecting rod (5).
3. a kind of connector repaired conducive to defective bone face according to claim 2, which is characterized in that the third connection
The shape adaptation of bar (4) and the 4th connecting rod (5), and to be threadedly coupled.
4. a kind of connector repaired conducive to defective bone face according to claim 3, which is characterized in that the 4th connection
The inner surface of bar (5) is equipped with internal screw thread, and the outer surface of third connecting rod (4) is equipped with external screw thread, and the longitudinal direction of third connecting rod (4) is long
Degree is less than or equal to the longitudinal length of the 4th connecting rod (5).
5. a kind of connector repaired conducive to defective bone face according to claim 4, which is characterized in that the 4th connection
The opening diameter of bar (5) is equal with the opening diameter of third connecting rod (4).
6. a kind of connector repaired conducive to defective bone face according to claim 5, which is characterized in that first connection
Bar (2), the second connecting rod (7) are hollow structure.
7. a kind of connector repaired conducive to defective bone face according to claim 6, which is characterized in that second connection
Bar (7) and the contact jaw of interior fixinig plate (8) extend to the lower surface of interior fixinig plate (8).
8. a kind of connector repaired conducive to defective bone face according to claim 6, which is characterized in that second taper
The cross section in portion (6) is circle, and round diameter is sequentially increased from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820082188.2U CN208974217U (en) | 2018-01-18 | 2018-01-18 | A kind of connector repaired conducive to defective bone face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820082188.2U CN208974217U (en) | 2018-01-18 | 2018-01-18 | A kind of connector repaired conducive to defective bone face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208974217U true CN208974217U (en) | 2019-06-14 |
Family
ID=66777858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820082188.2U Active CN208974217U (en) | 2018-01-18 | 2018-01-18 | A kind of connector repaired conducive to defective bone face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208974217U (en) |
-
2018
- 2018-01-18 CN CN201820082188.2U patent/CN208974217U/en active Active
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