CN214907916U - Strenghthened type anchor to osteoporosis patient - Google Patents
Strenghthened type anchor to osteoporosis patient Download PDFInfo
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- CN214907916U CN214907916U CN202120155785.5U CN202120155785U CN214907916U CN 214907916 U CN214907916 U CN 214907916U CN 202120155785 U CN202120155785 U CN 202120155785U CN 214907916 U CN214907916 U CN 214907916U
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- expansion
- expansion part
- expansion valve
- reinforced anchor
- base body
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Abstract
The embodiment of the utility model provides a strenghthened type anchor nail to osteoporosis patient belongs to bone nail technical field, strenghthened type anchor nail to osteoporosis patient includes: a substrate, the substrate comprising: a head, the head facing downward; the expansion part is positioned above the head part and is connected with the head part; the outer surface of the expansion part is an inclined surface which is inclined inwards from bottom to top; an expansion portion, the expansion portion comprising: the expansion valve is positioned at the lower part of the expansion part and provided with a plurality of valves, the plurality of valves are arranged at intervals on the circumference of the expansion valve to form a connecting cavity, and the connecting cavity is provided with a downward opening; barbs arranged on the outer surface of the expansion valve at intervals; wherein the expansion part acts on the connecting cavity from bottom to top and enables the expansion valve to expand outwards through the expansion part; achieving the technical effect of stable anchoring nail implanted into the osteoporosis patient.
Description
Technical Field
The utility model relates to a bone nail technical field especially relates to a strenghthened type anchor nail to osteoporosis patient.
Background
Bone nails are common bone fixation devices used in orthopedic surgery. Most of the existing bone nails are similar to common screws in structure and comprise a screw rod and a screw head, wherein the outer surface of the screw rod is provided with threads, and the end part of the screw head is provided with a groove for tools such as a screwdriver and the like to rotate. However, after the existing bone nail is used for osteoporosis patients, the bone nail is easy to loosen, so that the patients need to implant again, and pain is caused.
Therefore, the technical problems of the prior art are as follows: the bone nails implanted into the osteoporosis patients are easy to loosen.
Disclosure of Invention
The embodiment of the application provides a reinforced anchor for patients with osteoporosis, and solves the technical problem that in the prior art, a bone nail implanted into the patients with osteoporosis is easy to loosen; achieving the technical effect of stable anchoring nail implanted into the osteoporosis patient.
The embodiment of this application provides a strenghthened type anchor to osteoporosis patient, strenghthened type anchor to osteoporosis patient includes: a substrate, the substrate comprising: a head, the head facing downward; the expansion part is positioned above the head part and is connected with the head part; the outer surface of the expansion part is an inclined surface which is inclined inwards from bottom to top; an expansion portion, the expansion portion comprising: the expansion valve is positioned at the lower part of the expansion part and provided with a plurality of valves, the plurality of valves are arranged at intervals on the circumference of the expansion valve to form a connecting cavity, and the connecting cavity is provided with a downward opening; barbs arranged on the outer surface of the expansion valve at intervals; wherein the expansion part acts on the connecting cavity from bottom to top and enables the expansion valve to expand outwards through the expansion part.
Preferably, the outer surface of the expansion part and the inner wall of the connection cavity are respectively provided with an internal thread and an external thread.
Preferably, the threads provided on the inner wall of the connecting chamber are in the form of spaced thread segments.
Preferably, the barb is provided with a plurality of, and adjacent barb is at the length direction dislocation set of expansion valve.
Preferably, the base body is further provided with a supporting part, and the supporting part is connected between the head part and the expansion part; wherein the cross-sectional area of the support portion is larger than the cross-sectional area of the expansion portion.
Preferably, the connection chamber has a maximum expansion range which is smaller than the cross-sectional area of the support portion on the base body.
Preferably, an urging portion is provided on an upper end surface of the expanding portion, and the base is moved in a direction approaching the expanding portion by the urging portion.
Preferably, the force application portion is embodied as a concave tool insertion groove, and the tool insertion groove has one or more inner corners.
Preferably, the outer surface of the expansion valve is inclined inwards from top to bottom.
Preferably, the base body is provided with a through hole with two through ends, and the through hole can accommodate a suture; furthermore, the upper part of the expansion part is provided with an inner hole which is penetrated up and down relative to the base body, so that the suture passes through the expansion part from the base body.
One or more technical solutions in the embodiments of the present application have at least one or more of the following technical effects:
1. in the embodiment of the application, by arranging the base body and the expansion part, the base body which is firstly placed into the bone moves outwards, so that the expansion part on the base body acts on the connecting cavity on the expansion part, the expansion valve expands outwards from the bottom, and the expansion valve with the barb can be more reliably fixed on the bone; the technical problem that a bone nail for an osteoporosis patient is easy to loosen in the prior art is solved; achieving the technical effect of stable anchoring nail implanted into the osteoporosis patient.
2. In the embodiment of the application, the expansion part and the connecting cavity are provided with the internal thread and the external thread, so that the base body and the expansion part are combined more and more tightly when the base body moves in a mode of screwing; the stability of the expansion effect of the expansion part on the expansion valve is improved, and the expansion valve can be uniformly expanded outwards, so that the expansion valve can be reliably fixed on the bone after being installed.
3. In the embodiment of the application, the upper end surface of the expansion part is provided with the force application part which can be a hexagon socket, a thread groove, a cross groove or a straight groove; of course, the force application portion may be a male engagement to engage a tool to move the base upward.
4. In this application embodiment, the surface from the top down of expansion valve inwards inclines to set up to make the expansion portion can be smooth and easy put into, avoid the influence of barb to put into.
Drawings
FIG. 1 is a schematic view of a reinforced anchor for an osteoporosis patient in a front view configuration according to an embodiment of the present application;
FIG. 2 is a schematic view of the main viewing direction structure of the embodiment of the present application after the base and the expansion part are sequentially inserted;
FIG. 3 is a schematic view of the embodiment of the present application showing the expanded portion after the upward movement of the base;
FIG. 4 is a side cross-sectional structural view of an expansion part in the embodiment of the present application;
fig. 5 is a schematic view of a reinforced anchor for an osteoporosis patient in a front view according to an embodiment of the present application.
Reference numerals: 1. a substrate; 11. a head portion; 12. a support portion; 13. an expansion section; 14. a force application part; 15. perforating holes; 16. a containing groove; 2. an expansion part; 21. an expansion valve; 22. a connecting cavity; 23. a barb; 24. a threaded segment; 25. an inner bore; 3. and (4) sewing.
Detailed Description
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The embodiment of the application provides a reinforced anchor for osteoporosis patients, and by arranging the base body 1 and the expansion part 2, the base body 1 which is firstly placed in a bone moves outwards, so that the expansion part 13 on the base body 1 acts on the connecting cavity 22 on the expansion part 2, the expansion valve 21 expands outwards from the bottom, and the expansion valve 21 with the barb 23 can be more reliably fixed on the bone; the technical problem that a bone nail for an osteoporosis patient is easy to loosen in the prior art is solved; achieving the technical effect of stable anchoring nail implanted into the osteoporosis patient.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
A reinforced anchor for osteoporosis patients, the reinforced anchor for osteoporosis patients comprising: a basal body 1 and an expansion part 2, wherein the basal body 1 is firstly placed into a bone; the expansion part 2 is placed into the bone, the expansion part 2 is sleeved on the base body 1, and each expansion valve 21 on the expansion part 2 is expanded outwards through the upward movement of the base body 1 relative to the expansion part 2, so that the purpose that the device is stably fixed on the bone is achieved.
In order to facilitate the operator to control the upward movement of the base 1, the upper end surface of the expanding portion 13 is provided with a biasing portion 14, and the base 1 is moved toward the expanding portion 2 by the biasing portion 14. The force application portion 14 is embodied as a concave tool insertion groove having one or more internal corners. The force application part 14 can be an internal hexagonal groove, a thread groove, a cross groove or a straight groove; of course, the force application portion 14 may also be a convex combination for engaging a tool to move the base body 1 upward.
In addition, in order to fix the suture 3 on the anchor, a through hole 15 with two through ends is arranged on the base body 1, and the through hole 15 can accommodate the suture 3; on the other hand, the upper part of the expansion 2 is provided with an inner hole 25 which penetrates up and down with respect to the base 1, and the inner hole 25 is positioned above the base 1 so that the suture 3 can pass through the expansion. In order not to affect the normal rotation of the base 1, it is preferable to provide a concave receiving groove 16 on the side surface of the base 1 to receive the suture 3. And the base body 1 can be prevented from rotating back relative to the expansion part 2 based on the pull-up force of the suture 3 on the base body 1, and the base body 1 is prevented from moving downwards and inwards relative to the expansion part 2. It will be appreciated that the wedge can also be inserted after the base body 1 has been screwed into position relative to the expansion 2, thereby further defining the position of the base body 1 relative to the expansion 2 and preventing the base body 1 from rotating back.
Barbs 23, wherein the barbs 23 are arranged on the outer surface of the expansion valve 21 at intervals; it should be noted that, a plurality of barbs 23 are provided, and adjacent barbs 23 are arranged in a staggered manner in the length direction of the expansion valve 21.
The working principle is as follows:
referring to the attached fig. 1 of the specification, the base body 1 is firstly placed into a bone with the head 11 facing downwards, wherein during the placement of the base body 1, the bone can be punched and reamed in advance or can be directly hammered in by a hammer.
Referring to the description of fig. 2, after the base body 1 is inserted, the expansion part 2 is inserted, and after the connection cavity 22 of the expansion part 2 is preliminarily fitted with the expansion part 13 of the base body 1.
Referring to fig. 3 of the specification, a tool is used to act on the force application portion 14 on the upper end surface of the expansion portion 13, and the base 1 is rotated upward; in the process that the base body 1 rotates upwards, the expansion part 13 with the outer surface being the inclined surface continuously acts on the expansion valve 21 upwards and outwards so that the expansion valve 21 expands outwards; the purpose of stably fixing the device on the bone is achieved based on the expanded expansion valve 21.
The technical effects are as follows:
1. in the embodiment of the application, by arranging the base body and the expansion part, the base body which is firstly placed into the bone moves outwards, so that the expansion part on the base body acts on the connecting cavity on the expansion part, the expansion valve expands outwards from the bottom, and the expansion valve with the barb can be more reliably fixed on the bone; the technical problem that a bone nail for an osteoporosis patient is easy to loosen in the prior art is solved; achieving the technical effect of stable anchoring nail implanted into the osteoporosis patient.
2. In the embodiment of the application, the expansion part and the connecting cavity are provided with the internal thread and the external thread, so that the base body and the expansion part are combined more and more tightly when the base body moves in a mode of screwing; the stability of the expansion effect of the expansion part on the expansion valve is improved, and the expansion valve can be uniformly expanded outwards, so that the expansion valve can be reliably fixed on the bone after being installed.
3. In the embodiment of the application, the upper end surface of the expansion part is provided with the force application part which can be a hexagon socket, a thread groove, a cross groove or a straight groove; of course, the force application portion may be a male engagement to engage a tool to move the base upward.
4. In this application embodiment, the surface from the top down of expansion valve inwards inclines to set up to make the expansion portion can be smooth and easy put into, avoid the influence of barb to put into.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A reinforced anchor for osteoporosis patients, comprising:
a substrate, the substrate comprising:
a head, the head facing downward;
the expansion part is positioned above the head part and is connected with the head part; the outer surface of the expansion part is an inclined surface which is inclined inwards from bottom to top;
an expansion portion, the expansion portion comprising:
the expansion valve is positioned at the lower part of the expansion part and provided with a plurality of valves, the plurality of valves are arranged at intervals on the circumference of the expansion valve to form a connecting cavity, and the connecting cavity is provided with a downward opening;
barbs arranged on the outer surface of the expansion valve at intervals;
wherein the expansion part acts on the connecting cavity from bottom to top and enables the expansion valve to expand outwards through the expansion part.
2. The reinforced anchor for osteoporosis patients of claim 1, wherein the external surface of the expansion part and the inner wall of the connection cavity are provided with internal threads and external threads, respectively.
3. The reinforced anchor for osteoporotic patients of claim 2, wherein said threads provided on the inner wall of said connection cavity are in the form of spaced thread segments.
4. The reinforced anchor for osteoporosis patients of claim 1, wherein the barbs are provided in plurality, and adjacent barbs are offset in the length direction of the expansion valve.
5. The reinforced anchor for osteoporosis patients as claimed in claim 1, wherein a support part is further provided on the base body, and the support part is connected between the head part and the expansion part; wherein the cross-sectional area of the support portion is larger than the cross-sectional area of the expansion portion.
6. The reinforced anchor for osteoporotic patients of claim 5, wherein said connecting cavity has a maximum expansion range which is smaller than the cross-sectional area of the supporting portion on said base.
7. The reinforced anchor for osteoporosis patients as claimed in claim 1, wherein the upper end surface of the expansion part is provided with a force application part by which the base body is moved in a direction close to the expansion part.
8. The reinforced anchor of claim 7, wherein the force applying portion is embodied as a concave tool receiving slot having one or more internal corners.
9. The reinforced anchor for osteoporotic patients of claim 1, wherein an outer surface of said expansion lobe is inclined inwardly from top to bottom.
10. The reinforced anchor for osteoporosis patients of claim 1 wherein the base has a through hole therethrough, the through hole being adapted to receive a suture; furthermore, the upper part of the expansion part is provided with an inner hole which is penetrated up and down relative to the base body, so that the suture passes through the expansion part from the base body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120155785.5U CN214907916U (en) | 2021-01-20 | 2021-01-20 | Strenghthened type anchor to osteoporosis patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120155785.5U CN214907916U (en) | 2021-01-20 | 2021-01-20 | Strenghthened type anchor to osteoporosis patient |
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| Publication Number | Publication Date |
|---|---|
| CN214907916U true CN214907916U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120155785.5U Active CN214907916U (en) | 2021-01-20 | 2021-01-20 | Strenghthened type anchor to osteoporosis patient |
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| CN (1) | CN214907916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115005907A (en) * | 2022-05-25 | 2022-09-06 | 尤尼泰科(重庆)医疗科技有限公司 | Anchor with wire |
-
2021
- 2021-01-20 CN CN202120155785.5U patent/CN214907916U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115005907A (en) * | 2022-05-25 | 2022-09-06 | 尤尼泰科(重庆)医疗科技有限公司 | Anchor with wire |
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