CN210408581U - Bone plug for repairing skull defect - Google Patents
Bone plug for repairing skull defect Download PDFInfo
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- CN210408581U CN210408581U CN201920921867.9U CN201920921867U CN210408581U CN 210408581 U CN210408581 U CN 210408581U CN 201920921867 U CN201920921867 U CN 201920921867U CN 210408581 U CN210408581 U CN 210408581U
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Abstract
The embodiment of the utility model discloses bone stopper for skull defect restoration, including the bone stopper body, the bone stopper body includes stopper cap and cock body, the stopper cap comprises the cortex bone, just the cock body comprises porous cancellous bone, the stopper cap is fixed to be set up the top of cock body, the shape of stopper cap and cock body is cylindrical, just the stopper cap with the central line of cock body is same straight line, the diameter of stopper cap is greater than the diameter of cock body, the top of stopper cap is the circular arc design. The utility model provides a pair of bone stopper for skull defect restoration has simple structure, safe and reliable and promotes the characteristics that skull restoration was rebuild.
Description
Technical Field
The embodiment of the utility model provides a relate to biological medicine technical field, concretely relates to bone stopper for skull defect restoration.
Background
In the current medical stage, for the hole type bone defects caused by various diseases or accidents, more mature titanium alloy, artificial materials or autologous bones are mostly adopted for filling, however, the imaging brightness of CT and MRI after the titanium alloy operation is high, the influence of the patient is difficult to judge if hematoma or tumor appears at the implantation part, and in addition, the patient often feels uncomfortable in extreme environment due to the heat conduction effect of the titanium alloy; the problems of biocompatibility, bioactivity, difficult degradation and the like are often accompanied with the artificial bone material; autologous bone has been the "gold standard" for bone grafting, but the amount is small, secondary operations increase psychological and physiological burdens on patients, and the removed bone cannot be reprocessed according to the defect site. The allograft implant material has similar structural composition with autogenous bone, is a recognized bone implant material second to the autogenous bone, can avoid side effects caused by metal materials, and can greatly improve the repair of skull defects.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a bone plug for repairing skull defects, which aims to solve the problems existing in the prior art.
In order to achieve the purpose, the embodiment of the present invention provides the following technical solutions:
an embodiment of the utility model provides a bone stopper for skull defect restoration, including the bone stopper body, the bone stopper body includes stopper cap and cock body, the stopper cap comprises the cortex bone, just the cock body comprises porous cancellous bone, the stopper cap is fixed to be set up the top of cock body, the shape of stopper cap and cock body is cylindrically, just the stopper cap with the central line of cock body is same straight line, the diameter of stopper cap is greater than the diameter of cock body, the top of stopper cap is the circular arc design.
Optionally, the diameter of the plug cap is 10-16 mm, and the height of the plug cap is 1-4 mm.
Optionally, the diameter of the plug body is 8-12 mm, and the height of the plug body is 5-10 mm.
Optionally, the diameter of the plug cap is 13mm, and the diameter of the plug body is 9 mm.
Optionally, the height of the bone plug body is 6 mm.
Optionally, the diameter of the plug cap is 15mm, and the diameter of the plug body is 10 mm.
Optionally, the height of the bone plug body is 6 mm.
Optionally, the plug cap and the plug body are integrally formed.
Optionally, a plurality of saw-tooth grooves are uniformly arranged in the circumferential direction of the outer side wall of the plug cap.
Optionally, the outer side wall of the plug body is provided with an external thread.
The embodiment of the utility model provides a have following advantage: the embodiment of the utility model provides a bone stopper for skull defect restoration, including the bone stopper body, the bone stopper body includes stopper cap and cock body, the stopper cap comprises the cortex bone, and the cock body comprises porous cancellous bone, the fixed setting of stopper cap is at the top of cock body, the shape of stopper cap and cock body is cylindrical, and the stopper cap is same straight line with the central line of cock body, the diameter of stopper cap is greater than the diameter of cock body, the top of stopper cap is the circular arc design; the bone grafting implant adopts an allogeneic bone material, has wide material source relative to autogenous bone, good biocompatibility and bone induction activity, and finally is replaced by new bone crawling of the implant material; the whole structure is an integrally formed structure, and reprocessing is performed according to raw materials, rather than injection molding by using a grinding tool; the bone cap is cortical bone, and the bone body is cancellous bone, so that the bone cap is more in line with the bone structure of the human body; the anti-collapse tail cap is integrally designed, and the arc design of the top end of the plug cap reduces the self radian to the maximum extent; the edge of the plug cap is serrated, the surface of the plug body is threaded, cells around the plug body are not easy to grow on a smooth surface, and the surfaces of the bone plug and the plug body are serrated and threaded, so that the growth of the cells around the plug body is facilitated, and the repair of skull defects is accelerated; the finally formed bone plug for repairing the skull defect is subjected to a series of procedures of antigen removal and virus inactivation, so that the safety in the process of repairing the skull defect is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view showing a three-dimensional result of a bone plug for repairing a skull defect according to embodiment 1 of the present invention.
In the figure: 100. a bone plug body; 101. a plug cap; 102. a plug body; 103. a groove; 104. and (4) external threads.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, for the bone plug for repairing skull defect provided by the embodiment of the present invention, including bone plug body 100, bone plug body 100 includes plug cap 101 and plug body 102, plug cap 101 is composed of cortical bone, and plug body 102 is composed of porous cancellous bone, plug cap 101 is fixed to be set up on the top of plug body 102, the shape of plug cap 101 and plug body 102 is cylindrical, and plug cap 101 and the central line of plug body 102 are the same straight line, the diameter of plug cap 101 is greater than the diameter of plug body 102, the top of plug cap 101 is the circular arc design. The plug cap 101 is a cortical bone, is similar to the outer bone of a skull, and has certain mechanical property; the plug body 102 is a porous cancellous bone, which is beneficial to the growth of peripheral cells and tissues and accelerates the repair of skull defects.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, the diameter of stopper cap 101 is 10 ~ 16mm, just the height of stopper cap 101 is 1 ~ 4 mm. The bone plugging body 100 is designed to be an anti-collapse tail cap, and the top end of the bone plugging body 101 is designed to be an arc, so that the radian of the bone plugging body is reduced to the maximum degree.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, the diameter of cock body 102 is 8 ~ 12mm, just the height of cock body 102 is 5 ~ 10 mm.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, the diameter of stopper cap 101 is 13mm, the diameter of cock body 102 is 9 mm. The diameter of the plug cap 101 must be larger than the diameter of the plug body 102, and can be customized according to the customer's needs.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, the height of bone stopper body 100 is 6 mm.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, the diameter of stopper cap 101 is 15mm, the diameter of cock body 102 is 10 mm.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, the height of bone stopper body 100 is 6 mm.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, stopper cap 101 with cock body 102 is integrated into one piece. By the above design, that is, the structure of the stopper cap 101 and the stopper body 102 is an integral structure, reprocessing is performed according to raw materials, and the grinding tool injection molding is not performed.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, the lateral wall circumferencial direction of stopper cap 101 evenly is provided with the recess 103 of a plurality of zigzags. The outer side wall of the plug body 102 is provided with external threads 104. Since the autologous peripheral cells are not easy to grow on the smooth surface, the surfaces of the bone plug and the plug body are respectively designed to be serrated and threaded through the design, so that the peripheral cells can grow in the bone plug and the plug body, and the repair of the skull defect is accelerated.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, it has following advantage:
1. the allograft bone material is adopted, the source of the material is wide relative to autogenous bone, the biocompatibility is good, the material has bone induction activity, and finally the implanted material is replaced by new bone.
2. The integral structure is an integrally formed structure, and reprocessing is performed according to raw materials, rather than injection molding of a grinding tool.
3. The bone cap is cortical bone, and the bone body is cancellous bone, which is more in line with the bone structure of the human body.
4. The whole anti-collapse tail cap is designed, and the arc at the top end of the plug cap is designed to reduce the self-radian to the maximum extent.
5. The edge of the plug cap is serrated, the surface of the plug body is threaded, cells around the plug body are not easy to grow on a smooth surface, and the surfaces of the bone plug and the plug body are serrated and threaded, so that the bone plug and the plug body are favorable for growing the cells around and quickening the repair of skull defects.
6. The finally formed bone plug for repairing the skull defect is subjected to a series of procedures of antigen removal and virus inactivation, so that the safety in the process of repairing the skull defect is enhanced.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, this bone stopper are allogeneic bone material spongy bone stopper of skin, and the bone cap is the cortical bone, and is constituteed, the structure is unanimous with patient's autologous skull surface cortical bone, has certain mechanical support performance.
The embodiment of the utility model provides a bone stopper for skull defect restoration, because the diaphysis constitutes for porous cancellous bone, consequently allow cell and surrounding tissue to grow into, promote skull restoration to rebuild.
The embodiment of the utility model provides a pair of bone stopper for skull defect restoration, bone stopper present the design of the tail cap that prevents collapsing, and stopper cap top circular arc design, the at utmost reduction autologous radian. The edge of the plugging cap of the spongy cortical bone plug is serrated, and the surface of the plug body is threaded; the allogeneic bone material spongy bone is filled with the allogeneic bone, and a series of procedures of antigen removal, virus inactivation and the like are carried out through degreasing, freeze drying, sterilization and the like. Compared with the traditional metal material, the side effect caused by the metal material can be avoided, and the skull defect repair can be greatly improved.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a bone stopper for skull defect restoration, its characterized in that, includes the bone stopper body, the bone stopper body includes stopper cap and cock body, the stopper cap comprises the cortex bone, just the cock body comprises porous cancellous bone, the stopper cap is fixed to be set up the top of cock body, the shape of stopper cap and cock body is cylindrical, just the stopper cap with the central line of cock body is same straight line, the diameter of stopper cap is greater than the diameter of cock body, the top of stopper cap is the circular arc design.
2. The bone plug for skull defect repair according to claim 1, wherein the diameter of the plug cap is 10 to 16mm, and the height of the plug cap is 1 to 4 mm.
3. The bone plug for skull defect repair according to claim 2, wherein the plug body has a diameter of 8 to 12mm and a height of 5 to 10 mm.
4. The bone plug for skull defect repair according to claim 3, wherein the diameter of the plug cap is 13mm and the diameter of the plug body is 9 mm.
5. The bone plug for skull defect repair of claim 4, wherein the height of the bone plug body is 6 mm.
6. The bone plug for skull defect repair according to claim 3, wherein the diameter of the plug cap is 15mm and the diameter of the plug body is 10 mm.
7. The bone plug for skull defect repair of claim 6, wherein the height of the bone plug body is 6 mm.
8. The bone plug for skull defect repair of claim 1, wherein the plug cap is integrally formed with the plug body.
9. The bone plug for skull defect repair according to claim 1, wherein a plurality of saw-tooth-shaped grooves are uniformly formed in the circumferential direction of the outer side wall of the plug cap.
10. The bone plug for skull defect repair of claim 1, wherein an outer sidewall of the plug body is provided with an external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921867.9U CN210408581U (en) | 2019-06-18 | 2019-06-18 | Bone plug for repairing skull defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920921867.9U CN210408581U (en) | 2019-06-18 | 2019-06-18 | Bone plug for repairing skull defect |
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| Publication Number | Publication Date |
|---|---|
| CN210408581U true CN210408581U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920921867.9U Active CN210408581U (en) | 2019-06-18 | 2019-06-18 | Bone plug for repairing skull defect |
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| CN (1) | CN210408581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754631A (en) * | 2021-01-19 | 2021-05-07 | 中南大学湘雅医院 | Occipital neck fuses occipital bone fixed subassembly |
-
2019
- 2019-06-18 CN CN201920921867.9U patent/CN210408581U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754631A (en) * | 2021-01-19 | 2021-05-07 | 中南大学湘雅医院 | Occipital neck fuses occipital bone fixed subassembly |
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