CN216317925U - Connecting screw plug for orthopedics - Google Patents
Connecting screw plug for orthopedics Download PDFInfo
- Publication number
- CN216317925U CN216317925U CN202122495650.6U CN202122495650U CN216317925U CN 216317925 U CN216317925 U CN 216317925U CN 202122495650 U CN202122495650 U CN 202122495650U CN 216317925 U CN216317925 U CN 216317925U
- Authority
- CN
- China
- Prior art keywords
- plug
- screw
- screw plug
- plug body
- bone fracture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model relates to a connecting screw plug for orthopedics department, which comprises a screw plug body, wherein conical threads are arranged on the outer annular surface of the screw plug body, an inner hole coaxial with the screw plug body is arranged inside the screw plug body, and straight threads are arranged in the inner hole. According to the utility model, the tapered threads are matched with the threaded holes in the bone fracture plate, and then the straight threads are matched with the connecting screws, so that the bone fracture plate can be connected with the side plates, the splicing combination of the bone fracture plate is completed, the operation is simple and convenient, the treatment effect is ensured, and the operation time is saved.
Description
Technical Field
The utility model belongs to the technical field of orthopedic medical instruments, and particularly relates to a connecting screw plug for orthopedics.
Background
In bone surgery, the side plates are required to be utilized to splice and combine a plurality of bone fracture plates according to the fracture condition, holes for being connected with the side plates on the bone fracture plates are tapered threaded holes, and the traditional connecting screws are of straight thread structures, so that the bone fracture plates cannot be connected with the side plates.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a connecting screw plug for orthopedics, which solves the problem that a conical threaded hole in a bone fracture plate cannot be connected with a side plate.
The utility model relates to an orthopedic connecting screw plug, which is realized by the following steps:
the connecting screw plug for the orthopaedics comprises a screw plug body, wherein the outer annular surface of the screw plug body is provided with a conical thread, an inner hole coaxial with the screw plug body is formed in the screw plug body, and a straight thread is arranged in the inner hole.
Further, the outer part of the plug screw body is of a conical structure.
Further optionally, a screw driver interface is arranged in an inner hole at the large-diameter end of the screw plug body.
Further optionally, a driving ring is arranged at the large-diameter end of the plug screw body, and a screw driver interface is arranged in the driving ring.
Further, a screwing groove is formed between the driving ring and the plug screw body.
Further optionally, a driver notch is arranged on the straight thread.
After the technical scheme is adopted, the utility model has the beneficial effects that:
according to the utility model, the tapered threads on the outer part of the connecting screw plug are matched with the threaded holes on the bone fracture plate, and then the connecting screws are matched with the straight threads in the connecting screw plug, so that the connection between the bone fracture plate and the side plate can be realized, the splicing combination of the bone fracture plate is completed, the operation is simple and convenient, the treatment effect is ensured, and the operation time is saved.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is an axial sectional view of an orthopedic connecting plug screw according to embodiment 1 of the present invention;
FIG. 2 is a sectional view showing a state in which the orthopaedic connection plug of embodiment 1 of the present invention is used;
FIG. 3 is an axial sectional view of an orthopedic connecting plug screw according to embodiment 2 of the present invention;
FIG. 4 is an axial sectional view of an orthopedic connecting plug screw according to embodiment 3 of the present invention;
FIG. 5 is an axial sectional view of an orthopedic connecting plug according to embodiment 4 of the present invention;
in the figure: the bone plate comprises a plug screw body 11, tapered threads 12, straight threads 13, a screwdriver interface 14, a screwdriver notch 15, a driving ring 16, a twisting-off groove 17, a bone plate 2, a tapered threaded hole 21, a side plate 3 and a connecting screw 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
As shown in fig. 1-2, an orthopedic connecting screw plug comprises a screw plug body 11, wherein a tapered thread 12 is arranged on an outer annular surface of the screw plug body 11, an inner hole coaxial with the screw plug body 11 is arranged inside the screw plug body 11, and a straight thread 13 is arranged in the inner hole.
In order to facilitate the arrangement of the conical thread 12 matched with the conical thread hole 21 on the bone plate 2, the outer part of the plug body 11 is in a conical structure.
In order to facilitate the fitting with the driver, the connecting plug is mounted in the tapered threaded hole 21, and the driver interface 14 is provided in the inner hole at the large-diameter end of the plug body 11.
When the combined bone fracture plate 2 is carried out, firstly, a screw driver is utilized to provide driving torque, the connecting screw plug is screwed into the tapered threaded hole 21 on the bone fracture plate 2, the bone fracture plate 2 and the connecting screw plug are integrated, the straight thread 13 of the connecting screw plug can be used for being connected with the side plate 3, the side plate 3 is placed on the bone fracture plate 2 at the moment, the connecting screw 4 penetrates through the side plate 3 from top to bottom and is connected with the straight thread 13 of the connecting screw plug, the side plate 3 can be fixed on the bone fracture plate 2, and the combination of the bone fracture plate 2 is realized.
Example 2
As shown in fig. 3, the present embodiment provides an orthopedic connecting plug, which has a structure substantially the same as that of the connecting plug of the embodiment, except that a driver notch 15 is formed on the straight thread 13, on the basis of the embodiment 1.
In this embodiment, the straight thread 13 penetrates the entire inner hole, and the driver notch 15 is directly disposed on the straight thread 13, so that the connection plug can be assembled and disassembled by the cooperation of the driver and the driver notch 15.
Example 3
As shown in fig. 4, on the basis of embodiment 1, the present embodiment further provides an orthopedic connecting screw plug, which has substantially the same structure as the connecting screw plug of the embodiment, except that the large diameter end of the screw plug body 11 is provided with a driving ring 16, and the driving ring 16 is provided with a driver interface 14.
In the present embodiment, the connecting plug is a two-segment structure, the lower end is a plug body 11, the straight thread 13 is located in the plug body 11, the upper segment is a driving ring 16, and the driver interface 14 is located in the driving ring 16.
In order to realize the separation of the driving ring 16 and the plug body 11 after the connecting plug is installed in place, a breaking groove 17 is arranged between the driving ring 16 and the plug body 11.
The screwdriver is matched with the screwdriver interface 14, the driving ring 16 and the screw plug body 11 are assembled in the conical threaded hole 21 of the bone fracture plate 2, when the screw plug body 11 is screwed up to a certain torsion, the screw plug body 11 and the driving ring 16 are broken and separated at the twisting-off groove 17, at the moment, the side plate 3 can be placed on the bone fracture plate 2, and the connection of the side plate 3 and the bone fracture plate 2 is realized through the connecting screw 4.
The arrangement of the driving ring 16 can realize the installation of the connecting screw plug without damaging the structure of the straight thread 13 and is convenient to remove.
Example 4
As shown in fig. 5, the present embodiment provides an orthopedic connecting plug, which has a structure substantially the same as that of the embodiment 3, except that a driver notch 15 is formed on the straight thread 13.
When the connecting plug is installed in the tapered threaded hole 21, the driving ring 16 is separated from the plug body 11, and when the connecting plug needs to be disassembled, the connecting plug can be disassembled by matching the screwdriver notch 15 with the screwdriver.
The same driver slot 15 may be selected from but not limited to slots that mate with a socket head cap driver, a torx driver or a cross driver.
The bone fracture plate 2 has a simple structure and strong universality, different types of structures can be selected according to requirements, the structure of the conical threaded hole 21 on the original bone fracture plate 2 is not changed, the conical threaded hole 21 is directly changed into the straight thread 13, the combination of the bone fracture plate 2 is realized, and the operation is simple and convenient.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The connecting screw plug for the orthopaedics is characterized by comprising a screw plug body (11), wherein the outer ring surface of the screw plug body (11) is provided with a conical thread (12), an inner hole coaxial with the screw plug body (11) is formed in the screw plug body, and a straight thread (13) is arranged in the inner hole.
2. The orthopaedic connection plug according to claim 1, wherein the external portion of the plug body (11) is of a tapered configuration.
3. The orthopedic connecting plug screw according to claim 2, characterized in that a screw driver interface (14) is arranged in the inner hole of the large diameter end of the plug screw body (11).
4. The orthopedic connecting plug screw according to claim 2, characterized in that the large diameter end of the plug screw body (11) is provided with a driving ring (16), and the driving ring (16) is provided with a screw driver interface (14).
5. The orthopaedic connecting plug according to claim 4, characterized in that a screwing groove (17) is provided between the driving ring (16) and the plug body (11).
6. The orthopedic connection plug according to claim 2, 4 or 5, characterized in that a driver notch (15) is provided on the straight thread (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122495650.6U CN216317925U (en) | 2021-10-15 | 2021-10-15 | Connecting screw plug for orthopedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122495650.6U CN216317925U (en) | 2021-10-15 | 2021-10-15 | Connecting screw plug for orthopedics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216317925U true CN216317925U (en) | 2022-04-19 |
Family
ID=81177017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122495650.6U Active CN216317925U (en) | 2021-10-15 | 2021-10-15 | Connecting screw plug for orthopedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216317925U (en) |
-
2021
- 2021-10-15 CN CN202122495650.6U patent/CN216317925U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6540749B2 (en) | Bone screw | |
| CN207983230U (en) | A kind of shared sleeve of screw bolt and nut | |
| US20160322715A1 (en) | Torque limited screw for electrical connector | |
| CN216317925U (en) | Connecting screw plug for orthopedics | |
| CN101592277B (en) | Transitional joint of pipe body | |
| CN106264704B (en) | Conical points sharp tackle head extractor for thread-stripping screws with press fastening device | |
| CN206918027U (en) | A kind of Anti-dismantle screw | |
| CN216629427U (en) | Skull nail and brain electrode fixing assembly | |
| CN209122416U (en) | Orthopaedics is with bone plate bending machine | |
| CN204900467U (en) | Screw up screw fast | |
| CN210318112U (en) | Cap-shaped nut with good anti-theft performance | |
| CN208693421U (en) | A kind of bone surgery screwdriver suitable for different size screw | |
| CN216090737U (en) | Medical pressurizing screw sleeve | |
| CN220344472U (en) | Improved structure of screw for bone fracture plate | |
| CN212839699U (en) | Fastening screw | |
| CN201031847Y (en) | Collapsible locking type screw nail | |
| CN212564003U (en) | Novel screw | |
| CN216090736U (en) | Universal hollow locking screw | |
| CN215606197U (en) | Continuous locking wrench of self-breaking screw plug | |
| CN211131330U (en) | Screw for orthopedic surgery | |
| CN218031003U (en) | Prevent accurate screw of fracture | |
| CN219878259U (en) | Broken pedicle screw extractor | |
| CN219876444U (en) | Screw anti-drop assembly structure and capstan remote controller | |
| CN204092170U (en) | A kind of Universal pedicle screw extractor | |
| CN218294140U (en) | Inner hexagonal cap-shaped nut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |