CN215129856U - Universal skull traction bow assembly - Google Patents
Universal skull traction bow assembly Download PDFInfo
- Publication number
- CN215129856U CN215129856U CN202022864965.9U CN202022864965U CN215129856U CN 215129856 U CN215129856 U CN 215129856U CN 202022864965 U CN202022864965 U CN 202022864965U CN 215129856 U CN215129856 U CN 215129856U
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- arc
- support rod
- shaped support
- screw
- skull
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Abstract
The utility model discloses a general type skull traction bow subassembly, include: the upper parts of the first arc-shaped support rod and the second arc-shaped support rod are crossed and movably connected, the two swing arms are rotatably connected to the lower parts of the first arc-shaped support rod and the second arc-shaped support rod through fastening screws in a pin mode, and the head screws are arranged on the swing arms and point to the inner sides of the first arc-shaped support rod and the second arc-shaped support rod respectively. In this way, general type skull traction bow subassembly, adjust through the swing of swing arm, ensure that set screw and patient's skull contact perpendicularly, rotatory set screw again after fastening screw screws up for set screw imbeds patient's skull perpendicularly, has ensured the stability when pulling, and is easy and simple to handle.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a general type skull traction bow subassembly.
Background
Skull traction is generally used for patients with cervical vertebra fracture and dislocation, and when skull traction is performed, a skull traction bow needs to be utilized, screws on the skull traction bow are clamped into the skull of the patient, and then the skull traction bow is pulled to realize skull traction.
As the skull of each person has different sizes, the opening of the skull traction bow needs to be adjusted, so that screws can be conveniently embedded into the skull, but when the skull traction bow is adjusted, the angle of the screws can be changed, the screws are not perpendicular to the surface of the skull, the screws are not beneficial to being embedded into the skull, the combination stability of the screws and the skull is influenced, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a general type skull traction bow subassembly, promotes the adaptability of skull traction bow to different patient's skull and adjusts the convenience.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a universal skull traction bow assembly comprising: the upper portions of the first arc-shaped support rod and the second arc-shaped support rod are crossed and movably connected, the two swing arms are respectively and rotatably pinned to the lower portions of the first arc-shaped support rod and the second arc-shaped support rod through fastening screws, the head screws are respectively arranged on the swing arms and respectively point to the inner sides of the first arc-shaped support rod and the second arc-shaped support rod, the first screw is rotatably pinned to the inner side of the first arc-shaped support rod through a first pin, the second screw is rotatably pinned to the inner side of the second arc-shaped support rod through a second pin, and the swivel nut is connected between the first screw and the second screw in a pulling and fixing mode.
In a preferred embodiment of the present invention, the bottom of the first arc brace and the bottom of the second arc brace are respectively provided with a C-shaped groove corresponding to the upper end of the swing arm.
In a preferred embodiment of the present invention, two internal threads are provided in the screw sleeve, which correspond to the first screw and the second screw, respectively, and the first screw and the second screw have opposite thread directions and move in opposite directions when the screw sleeve rotates.
In a preferred embodiment of the present invention, the upper portions of the first arc-shaped stay bar and the second arc-shaped stay bar are movably connected to the gill shaft nut assembly by using gill shaft screws.
In a preferred embodiment of the present invention, the swing arms are respectively provided with a threaded hole corresponding to the head screw.
In a preferred embodiment of the present invention, a gasket extending to the upper side is provided at the junction of the first arc brace and the second arc brace, and a stay cord mounting hole is provided on the gasket.
The utility model has the advantages that: the utility model provides a general type skull traction bow subassembly, through the rotation of swivel nut, adjust the lower part interval of first arc vaulting pole and second arc vaulting pole, also be the opening of skull traction bow promptly, to adapt to the skull structure that does not use the patient, adjust through the swing of swing arm again, ensure the perpendicular contact of setscrew and patient's skull, rotatory setscrew after fastening screw screws up again, make setscrew imbed patient's skull perpendicularly, stability when having ensured pulling, easy and simple to handle, wide application scope.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a universal skull traction bow assembly according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention includes:
a universal skull traction bow assembly as shown in fig. 1, comprising: the first screw rod 4, the second screw rod 6, the threaded sleeve 5, the first arc-shaped stay bar 2, the second arc-shaped stay bar 7, the two swing arms 9 and the head screw 1, and the upper portions of the first arc-shaped stay bar 2 and the second arc-shaped stay bar 7 are crossed and movably connected, in this embodiment, the upper portions of the first arc-shaped stay bar 2 and the second arc-shaped stay bar 7 are movably connected with the gill shaft nut assembly 8 through gill shaft screws, so that the lower openings of the first arc-shaped stay bar 2 and the second arc-shaped stay bar 7 can be conveniently adjusted and fixed.
Two swing arms 9 are respectively and rotatably pinned at the lower parts of the first arc-shaped stay bar 2 and the second arc-shaped stay bar 7 by fastening screws 10, in this embodiment, the bottoms of the first arc-shaped stay bar 2 and the second arc-shaped stay bar 7 are respectively provided with a C-shaped groove corresponding to the upper end of the swing arm 9, so that the upper end of the swing arm 9 can be conveniently inserted into the C-shaped groove, and then the swing arm 9 is fastened after being rotated by the fastening screws 10.
The head supporting screws 1 are respectively arranged on the swing arms 9 and respectively point to the inner sides of the first arc-shaped stay bar 2 and the second arc-shaped stay bar 7, and threaded holes corresponding to the head supporting screws 1 are respectively arranged in the swing arms 9, so that the assembly and disassembly are convenient. Through the swing adjustment of the swing arm 9, the head supporting screw 1 is vertically contacted with the skull, the skull can be conveniently screwed in, and the combination stability of the head supporting screw and the skull is improved.
The first screw rod 4 is rotatably connected to the inner side of the first arc-shaped support rod 2 through the first pin 3 in a pin mode and is convenient to swing, the second screw rod 6 is rotatably connected to the inner side of the second arc-shaped support rod 7 through the second pin 11 in a pin mode, the threaded sleeve 5 is connected between the first screw rod 4 and the second screw rod 6 to be pulled and fixed, in the embodiment, two sections of internal threads corresponding to the first screw rod 4 and the second screw rod 6 are arranged in the threaded sleeve 5, the thread directions of the first screw rod 4 and the second screw rod 6 are opposite, the first screw rod 4 and the second screw rod 6 synchronously and reversely move when the threaded sleeve 5 rotates, and the adjustment of the distance between the first screw rod 4 and the second screw rod 6 is achieved through the rotation of the threaded sleeve 5, so that the distance between the two swing arms 9 is changed to adapt to skull structures of different patients.
In this embodiment, a gasket 12 extending to the upper side is arranged at the joint of the first arc-shaped stay bar 2 and the second arc-shaped stay bar 7, in this embodiment, the gasket 12 is penetrated by the gill shaft screw, so that the installation is convenient, a stay cord installation hole is formed in the gasket 12, so that the stay cord is conveniently connected, the first arc-shaped stay bar 2 and the second arc-shaped stay bar 7 are pulled, the traction of the skull is realized, and the operation is simple and convenient.
To sum up, the utility model discloses a bow subassembly is pull to general type skull, the structure is succinct, and the opening is adjustable, and is good to different patients' skull adaptability, and the cap screw contacts with the skull is perpendicular moreover, and bonding strength is high, has promoted the stability of traction process.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.
Claims (6)
1. A universal skull traction bow assembly, comprising: the upper portions of the first arc-shaped support rod and the second arc-shaped support rod are crossed and movably connected, the two swing arms are respectively and rotatably pinned to the lower portions of the first arc-shaped support rod and the second arc-shaped support rod through fastening screws, the head screws are respectively arranged on the swing arms and respectively point to the inner sides of the first arc-shaped support rod and the second arc-shaped support rod, the first screw is rotatably pinned to the inner side of the first arc-shaped support rod through a first pin, the second screw is rotatably pinned to the inner side of the second arc-shaped support rod through a second pin, and the swivel nut is connected between the first screw and the second screw in a pulling and fixing mode.
2. The universal skull traction bow assembly according to claim 1, wherein the bottoms of the first and second arched struts are respectively provided with a C-shaped groove corresponding to the upper end of the swing arm.
3. The universal skull traction bow assembly according to claim 1, wherein two internal threads are formed in the screw sleeve and correspond to the first screw rod and the second screw rod respectively, and the first screw rod and the second screw rod are opposite in thread direction and synchronously move in opposite directions when the screw sleeve rotates.
4. The universal skull traction bow assembly of claim 1, wherein the upper portion of the first curved strut and the second curved strut are movably coupled to the jaw nut assembly using a jaw screw.
5. The universal skull traction bow assembly of claim 1, wherein threaded holes corresponding to the setscrews are provided in the swing arms, respectively.
6. The universal skull traction bow assembly of claim 1, wherein a spacer extending upward is disposed at the junction of the first arched brace and the second arched brace, and a pull cord mounting hole is disposed on the spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022864965.9U CN215129856U (en) | 2020-12-04 | 2020-12-04 | Universal skull traction bow assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022864965.9U CN215129856U (en) | 2020-12-04 | 2020-12-04 | Universal skull traction bow assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215129856U true CN215129856U (en) | 2021-12-14 |
Family
ID=79350960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022864965.9U Active CN215129856U (en) | 2020-12-04 | 2020-12-04 | Universal skull traction bow assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215129856U (en) |
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2020
- 2020-12-04 CN CN202022864965.9U patent/CN215129856U/en active Active
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