CN214017673U - Interface screw with slope and hole - Google Patents
Interface screw with slope and hole Download PDFInfo
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- CN214017673U CN214017673U CN202022808836.8U CN202022808836U CN214017673U CN 214017673 U CN214017673 U CN 214017673U CN 202022808836 U CN202022808836 U CN 202022808836U CN 214017673 U CN214017673 U CN 214017673U
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Abstract
The utility model belongs to the technical field of interface screws, in particular to an interface screw with gradient and hole, which comprises an interface screw whole body, a screw column, a gradient inclined thread and a screw tail, wherein the periphery of the interface screw whole body is fixedly connected with the gradient inclined thread, the top of the interface screw whole body is fixedly connected with a screw head, the bottom of the interface screw whole body is fixedly connected with the screw tail, the inner top of the gradient inclined thread is fixedly connected with the top inclined thread, the middle part of the interface screw whole body is fixedly connected with the screw column, the screw column can enhance the growing of bone tissues around the interface screw and enhance the stability of patient's tendon bone, when the interface screw whole body is embedded into the shinbone of a patient, the bone tissues in the screw is induced to grow, and the peripheral hole can increase the contact surface of the bone and the interface screw whole body, so that the fixation is firmer and the postoperative loosening is not easy to occur, the problem of interface screw unstability that exists among the prior art, the long time of tendon bone healing is solved to stability has been improved.
Description
Technical Field
The utility model belongs to the technical field of the interface screw, specifically be an interface screw with slope and hole.
Background
The fixed screw during reconstruction of the anterior cruciate ligament is mainly used for directly or indirectly fixing the ligament on the tibia, the interface screw used clinically at present is mainly planar, one side of the screw is pressed into cancellous bone in the process of screwing in the bone, and when a patient suffers from osteoporosis or is twisted to the anterior cruciate ligament again through trauma, the screw is easy to shift, so that the reconstructed ligament is displaced, and the operation is failed.
The current interface screw that has slope and hole practicality is low, poor stability, and the skew takes place for the interface screw easily in patient's shin bone, arouses the operation failure easily, and current interface screw that has slope and hole does not have the part that can better fuse with patient's shin bone when patient's shin bone resumes, and the interface screw breaks away from patient's tendinous bone easily, and the interface screw is perfect inadequately, is difficult to satisfy the demand of society.
Therefore, how to design an interface screw with a slope and a hole becomes a problem which needs to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an interface screw with slope and hole to it is low to provide the practicality in solving above-mentioned background art, poor stability's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an interface screw with slope and hole, includes that the interface screw is whole, screw post, slope screw thread and screw tail, the holistic middle part fixedly connected with screw post of interface screw, the holistic peripheral fixedly connected with of interface screw has slope screw thread, the holistic top fixedly connected with screwhead of interface screw, the holistic bottom fixedly connected with screw tail of interface screw, the peripheral embedding of screw post is connected with peripheral hole, the inside intermediate position embedding of screw post is connected with the screw through-hole, the slope screw thread's inside top fixedly connected with slope screw thread, slope screw thread's inside bottom fixedly connected with bottom slope screw thread.
Preferably, the middle part of the inner part of the screw head is embedded and connected with a hexagonal screw head through hole.
Preferably, the number of the screw columns is one, the screw columns are arranged in the middle of the whole interface screw, and the screw columns are fixedly connected with the whole interface screw.
Preferably, the gradient inclined screw thread is provided with one, the gradient inclined screw thread is arranged on the periphery of the whole interface screw, and the gradient inclined screw thread is fixedly connected with the whole interface screw.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the interface screw that has slope and hole, the screw post sets up in the holistic middle part of interface screw, the screw post and the whole fixed connection of interface screw, and the screw post can strengthen the growing into of bone tissue around the interface screw, strengthens the stability of patient's tendinous bone to stability has been improved.
2. The interface screw that has slope and hole, slope screw thread, slope screw thread setting are in the holistic periphery of interface screw, slope screw thread and the whole fixed connection of interface screw, and slope threaded surface both sides all link to each other with patient's sclerotin, avoid the whole condition that the skew appears of interface screw, the effectual practicality that improves interface screw whole use.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a rear view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a cross-sectional view of the present invention;
fig. 5 is an enlarged view of the position a of the present invention.
In the figure: 1. the interface screw is integral; 2. a screw post; 3. a sloped inclined thread; 4. a screw tail; 5. a screw head; 6. a peripheral aperture; 7. a hexagonal screw head through hole; 8. a screw through hole; 9. bottom inclined threads; 10. the top is inclined.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In a first embodiment, please refer to fig. 1-5, the present invention provides a technical solution: the utility model provides an interface screw with slope and hole, including the whole 1 of interface screw, screw post 2, slope screw thread 3 and screw tail 4, the whole 1 middle part fixedly connected with screw post 2 of interface screw, the whole 1 peripheral fixedly connected with slope screw thread 3 of interface screw, the whole 1 top fixedly connected with screwhead 5 of interface screw, the whole 1 bottom fixedly connected with screw tail 4 of interface screw, the peripheral embedding of screw post 2 is connected with peripheral hole 6, the inside intermediate position embedding of screw post 2 is connected with screw through-hole 8, the inside top fixedly connected with top slope screw thread 10 of slope screw thread 3, the inside bottom fixedly connected with bottom slope screw thread 9 of slope screw thread 3.
Preferably, the middle part of the inside of the screw head 5 is embedded and connected with a hexagonal screw head through hole 7, the screw head 5 is connected with the interface screw whole body 1, the hexagonal screw head through hole 7 arranged on the screw head 5 is hexagonal, when the interface screw whole body 1 is embedded into the tibia of a patient, the interface screw whole body 1 is required to be connected with a tool, the tool and a doctor provide force to embed the interface screw whole body 1 into the tibia, the hexagonal screw head through hole 7 plays a role in connecting the tool, the screw head 5 is provided with an inclined surface, and when the interface screw whole body 1 penetrates through cortical bone and is embedded into cancellous bone, the screw head 5 can be better attached to the cortical bone.
Preferably, the screw column 2 is provided with one, the screw column 2 is arranged in the middle of the whole interface screw 1, the screw column 2 is fixedly connected with the whole interface screw 1, the screw column 2 can enhance the growth of bone tissues around the interface screw and enhance the stability of the tendon bone of a patient, the periphery of the screw column 2 is provided with a peripheral hole 6, the peripheral hole 6 is communicated with a screw through hole 8 arranged in the screw column 2, when the whole interface screw 1 is embedded into the tibia of the patient, the bone tissues inside the screw are induced to grow into, and the peripheral hole 6 can increase the contact surface between the bone and the whole interface screw 1, so that the fixation is firmer, the postoperative looseness is not easy to occur, the problem that the interface screw instability exists in the prior art, particularly for patients suffering from fracture and osteoporosis, and the tendon bone healing time is longer is solved, and the stability is improved.
Preferably, the slope inclined thread 3 is provided with one, the slope inclined thread 3 is arranged on the periphery of the interface screw body 1, the slope inclined thread 3 is fixedly connected with the interface screw body 1, two sides of the surface of the slope inclined thread 3 are connected with the cortical bone of a patient, the slope inclined thread 3 is provided with a bottom inclined thread 9 and a top inclined thread 10, when the interface screw body 1 is screwed into the bone of the patient, the bottom inclined thread 9 and the top inclined thread 10 are attached to the cortical bone of the patient, when the patient suffers from osteoporosis or the patient is twisted to the anterior cruciate ligament by trauma again, the interface screw body 1 is not easy to shift to cause the reconstructed ligament to shift, the situation that the interface screw body 1 shifts is avoided, and the practicability of the use of the interface screw body 1 is effectively improved.
The working principle is as follows: firstly, the interface screw whole body 1 is connected with a tool through a screw head 5, the middle part inside the screw head 5 is embedded and connected with a hexagonal screw head through hole 7, the screw head 5 is connected with the interface screw whole body 1, the hexagonal screw head through hole 7 arranged on the screw head 5 is hexagonal, when the interface screw whole body 1 is embedded into the tibia of a patient, the interface screw whole body 1 is required to be connected with the tool, the tool and a doctor provide force to embed the interface screw whole body 1 into the tibia, so that the hexagonal screw through hole 7 plays a role of connecting the tool, the screw head 5 is provided with an inclined surface, and when the interface screw whole body 1 penetrates through cortical bone and is embedded into cancellous bone, the screw head 5 can be better attached to the cortical bone;
then, the interface screw whole body 1 is embedded into the tibia of the patient;
then, the connection of the gradient inclined thread 3 with the bone of the patient is ensured through the gradient inclined thread 3, one gradient inclined thread 3 is arranged, the gradient inclined thread 3 is arranged at the periphery of the interface screw body 1, the gradient inclined thread 3 is fixedly connected with the interface screw body 1, two sides of the surface of the gradient inclined thread 3 are connected with the cortical bone of the patient, the gradient inclined thread 3 is provided with a bottom inclined thread 9 and a top inclined thread 10, when the interface screw 1 is screwed into the bone of a patient, the bottom inclined threads 9 and the top inclined threads 10 are attached to the bone of the patient, when a patient suffers from osteoporosis or is twisted to the anterior cruciate ligament due to trauma again, the interface screw whole body 1 is not easy to shift to cause the reconstructed ligament to shift, so that the condition that the interface screw whole body 1 shifts is avoided, and the practicability of the interface screw whole body 1 is effectively improved;
next, the stability of the whole interface screw 1 is ensured through the screw column 2, one screw column 2 is arranged, the screw column 2 is arranged in the middle of the whole interface screw 1, the screw column 2 is fixedly connected with the whole interface screw 1, the screw column 2 can enhance the ingrowth of bone tissues around the interface screw and enhance the stability of patient's tendon bone, the periphery of the screw column 2 is provided with a peripheral hole 6, and the peripheral hole 6 is communicated with a screw through hole 8 arranged in the screw column 2, when the interface screw whole body 1 is embedded into the tibia of a patient, bone tissue in the screw is induced to grow in, the peripheral holes 6 can increase the contact surface between the bone and the interface screw whole body 1, so that the fixation is firmer, the postoperative loosening is not easy to occur, the problems of instability of the interface screw (particularly for patients with fracture and osteoporosis) and longer healing time of the tendon and bone existing in the prior art are solved, and the stability is improved;
finally, the ligament is fixed on the tibia directly or indirectly through the interface screw whole 1, which is the working principle of the interface screw with the slope and the aperture.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an interface screw with slope and hole, includes that the whole (1) of interface screw, screw post (2), slope screw thread (3) and screw tail (4), its characterized in that: the middle part fixedly connected with screw post (2) of the whole (1) of interface screw, the whole peripheral fixedly connected with slope screw thread (3) of the whole (1) of interface screw, the whole top fixedly connected with screw head (5) of (1) of interface screw, the whole bottom fixedly connected with screw tail (4) of (1) of interface screw, the peripheral embedding of screw post (2) is connected with peripheral hole (6), the inside intermediate position embedding of screw post (2) is connected with screw through-hole (8), the inside top fixedly connected with top slope screw thread (10) of slope screw thread (3), the inside bottom fixedly connected with bottom slope screw thread (9) of slope screw thread (3).
2. The interface screw with slope and porosity as defined in claim 1, wherein: the middle part of the inner part of the screw head (5) is embedded and connected with a hexagonal screw head through hole (7).
3. The interface screw with slope and porosity as defined in claim 1, wherein: the interface screw is characterized in that one screw column (2) is arranged, the screw column (2) is arranged in the middle of the interface screw whole body (1), and the screw column (2) is fixedly connected with the interface screw whole body (1).
4. The interface screw with slope and porosity as defined in claim 1, wherein: the gradient inclined screw thread (3) is arranged on the periphery of the interface screw whole body (1), and the gradient inclined screw thread (3) is fixedly connected with the interface screw whole body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022808836.8U CN214017673U (en) | 2020-11-27 | 2020-11-27 | Interface screw with slope and hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022808836.8U CN214017673U (en) | 2020-11-27 | 2020-11-27 | Interface screw with slope and hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214017673U true CN214017673U (en) | 2021-08-24 |
Family
ID=77363562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022808836.8U Active CN214017673U (en) | 2020-11-27 | 2020-11-27 | Interface screw with slope and hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214017673U (en) |
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2020
- 2020-11-27 CN CN202022808836.8U patent/CN214017673U/en active Active
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