CN216221610U - External fixing support for fracture - Google Patents
External fixing support for fracture Download PDFInfo
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- CN216221610U CN216221610U CN202120883345.1U CN202120883345U CN216221610U CN 216221610 U CN216221610 U CN 216221610U CN 202120883345 U CN202120883345 U CN 202120883345U CN 216221610 U CN216221610 U CN 216221610U
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- connecting rod
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- fracture
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Abstract
The utility model provides an external fixing bracket for fracture, which comprises: the locking device comprises a connecting rod, at least two main bodies, at least two auxiliary bodies and at least two locking screws, wherein an arc-shaped groove in each main body is clamped with the connecting rod, so that the main bodies axially move along the connecting rods; one main body corresponds to one auxiliary body and one locking screw, the auxiliary body is positioned on the top end face of the main body, and the main body and the auxiliary body are connected and fixed through the locking screw, so that the main body and the auxiliary body rotate along the circumferential direction of the connecting rod and are used for fixing fracture parts between the adjacent auxiliary bodies. The advantages are that: belongs to a bracket which is quickly installed and dismantled and used for fixing the fracture part of a patient, has convenient operation and simple structure, and greatly shortens the installation time.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an external fixing bracket for fracture.
Background
When four limbs are fractured, two common fixing modes are outer fixing mode and inner fixing mode, the outer fixing mode comprises an outer fixing support, a small splint, a plaster bandage and the like, the outer fixing support is a brace for treating the fracture in the orthopedics department, and generally, the outer fixing support is a single-arm outer fixing support clinically. However, when a major medical accident occurs, time is one of the key factors of rescued people, and in order to save time, the quick-assembly single-arm support is usually used as a temporary support to rescue other seriously injured parts, and then the quick-assembly single-arm support is returned to be detached and then the system treatment is performed, so that the process is complicated, and the detachment process is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model provides an external fixing bracket for fracture, which aims to overcome at least one technical defect so as to obtain the external fixing bracket with quick disassembly and assembly, convenient use and time saving.
In order to realize the purpose of the utility model, the utility model provides the following technical scheme:
an external fixation stent for bone fracture comprising: the locking device comprises a connecting rod, at least two main bodies, at least two auxiliary bodies and at least two locking screws, wherein an arc-shaped groove in each main body is clamped with the connecting rod, so that the main bodies axially move along the connecting rods; one main body corresponds to one auxiliary body and one locking screw, the auxiliary body is positioned on the top end face of the main body, and the main body and the auxiliary body are connected and fixed through the locking screw, so that the main body and the auxiliary body rotate along the circumferential direction of the connecting rod and are used for fixing fracture parts between the adjacent auxiliary bodies.
Preferably, the main body is a cuboid structure, and the connecting rod is a cylindrical rod; the arc length of the arc-shaped groove is greater than half of the perimeter of the longitudinal section of the connecting rod and less than the perimeter of the longitudinal section of the connecting rod;
the main body is provided with a first screw hole penetrating through the main body from top to bottom, and the tail part of the locking screw extends into the auxiliary body after penetrating through the first screw hole.
Preferably, the middle part of the main body is provided with a first open slot which is horizontally vertical to the connecting rod, and the first open slot is communicated with the arc-shaped groove and bisects the arc-shaped groove;
the first screw hole penetrates through the first opening groove.
Preferably, the main body is provided with a second opening groove vertically communicated with the first opening groove, and the longitudinal section formed by the first opening groove and the second opening groove is T-shaped, so that one end of the first opening groove is communicated with the second opening groove, and the other end of the first opening groove is communicated with the arc-shaped groove.
Preferably, the auxiliary body is a cuboid, and a second screw hole penetrating through the auxiliary body is formed in the auxiliary body from top to bottom, and the tail portion of the locking screw penetrates through the main body and then extends to the second screw hole.
Preferably, the auxiliary body is provided with two bone needle holes, and the opening direction of the bone needle holes is the same as the length direction of the connecting rod; the width of the auxiliary body is equal to the depth of the bone needle hole.
The utility model relates to an external fixing bracket for fracture, which has the advantages that:
1. the utility model has the advantages that the structural design belongs to a bracket which is quickly installed and dismantled and used for fixing the fracture part of a patient, the operation is convenient, the structure is simple, and the installation time is greatly shortened;
2. the connecting rod is made of carbon fiber or polyethylene ether ketone (peek) composite materials, is light in weight and high in strength, and can meet the use requirement;
3. the main body and the auxiliary body are preferably made of 6061 aluminum alloy materials, the weight of the main body and the auxiliary body is lighter than that of a stainless steel material, the surface of the main body and the auxiliary body is subjected to anodic oxidation treatment to protect the main body and the auxiliary body from being oxidized and damaged, and meanwhile, the service life of a thread part is prolonged; moreover, the specific structures on the main body and the auxiliary body, such as the first opening groove and the third opening groove, increase the locking force between the main body and the auxiliary body so as to strengthen the tightening force of the external fixing bracket on the fracture part; the second open slot reduces the weight of the main body, thereby reducing the burden of the external fixing bracket on the patient;
3. the design of the bone needle hole on the auxiliary body ensures that the fracture part of the patient is positioned between the two adjacent main bodies, and the bone needle passes through the bone needle hole to reset and fix the fracture part, thereby being convenient for operation.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
fig. 1 and fig. 2 are schematic perspective views of different viewing angles of an external fixation bracket for fracture according to the present invention;
fig. 3 to 5 are schematic perspective views of the main body from different viewing angles, respectively;
fig. 6 and 7 are schematic perspective views of the sub-body from different viewing angles, respectively;
FIG. 8 is a perspective view of a locking screw;
wherein:
the main body 2, an arc-shaped groove 21, a first screw hole 22, a first open slot 23 and a second open slot 24;
the auxiliary body 3, a second screw hole 31, a bone pinhole 32, a third open slot 33 and a convex part 34;
the screws 4 are locked.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In order to solve the technical defects of time and labor consumption in the disassembly and assembly of the external fixing bracket in the prior art, the utility model provides an external fixing bracket for fracture, which is shown in fig. 1, fig. 2 and fig. 8, and mainly structurally comprises: the bone fracture fixation device comprises a connecting rod 1, at least two main bodies 2, at least two auxiliary bodies 3 and at least two locking screws 4, wherein an arc-shaped groove 21 on each main body 2 is clamped with the connecting rod 1, so that the main bodies 2 move axially along the connecting rod 1 to adapt to fixation of different fracture parts; one main body 2 corresponds to one auxiliary body 3 and one locking screw 4, the auxiliary body 3 is positioned on the top end surface of the main body 2, and the main body 2 and the auxiliary body 3 are connected and fixed through the locking screw 4, so that the main body 2 and the auxiliary body 3 rotate along the circumferential direction of the connecting rod 1 and are used for fixing fracture parts between the adjacent auxiliary bodies 3, the adaptability is strong, and the operation is convenient and effective;
the main part 2 the auxiliary body 3 is made of aluminum alloy material, and is preferably 6061 aluminum alloy, and the texture is soft, and the main part 2 the surface of the auxiliary body 3 is subjected to hard anodic oxidation, so that oxidation can be effectively prevented, and the service life is prolonged.
In a specific technical scheme: the main body 2 is of a cuboid structure, the connecting rod 1 is of a cylindrical rod, the longitudinal section of the connecting rod 1 is circular, the diameter of the circular shape is equal to that of the circular structure where the arc-shaped groove 21 is located, and the main body is made of aluminum alloy, so that the main body has certain elasticity and can be clamped on the connecting rod 1; the arc length of the arc-shaped groove 21 is larger than half of the perimeter of the longitudinal section of the connecting rod 1 and smaller than the perimeter of the longitudinal section of the connecting rod 1, so that the main body 2 is prevented from falling off from the connecting rod 1 in the process of moving along the connecting rod 1 or being not firm enough when a fracture part is fixed;
in a specific application, a first screw hole 22 penetrating through the main body 2 is formed in the main body 2 from top to bottom, and the tail portion of the locking screw 4 extends into the auxiliary body 3 after penetrating through the first screw hole 22.
In a specific technical scheme, as shown in fig. 3 to 5, a first open slot 23 horizontally perpendicular to the connecting rod 1 is formed in the middle of the main body 2, the first open slot 23 is communicated with the arc-shaped groove 21 and bisects the arc-shaped groove 21, and the first screw hole 22 penetrates through the first open slot 23, so that when the locking screw 4 penetrates through the main body 2 and the auxiliary body 3, the locking force between the main body 2 and the auxiliary body 3 is enhanced, and the fixation of the external fixing bracket on the fracture part is facilitated;
in order to enhance the locking force between the main body 2 and the auxiliary body 3, the width of the first opening groove 23 is equal to the width of the main body 2.
In a specific technical scheme: a second opening groove 24 vertically communicated with the first opening groove 23 is formed in the main body 2, and the longitudinal section formed by the first opening groove 23 and the second opening groove 24 is T-shaped, so that one end of the first opening groove 23 is communicated with the second opening groove 24, the other end of the first opening groove 23 is communicated with the arc-shaped groove 21, the weight of the main body 2 is reduced, and the burden of a patient is reduced in the process of using the external fixing bracket; in order to enhance the locking force between the locking screw 4 and the main body 2, the first screw hole 22 is not communicated with the second opening groove 24.
More specifically, in order to improve the locking force between the main body 2 and the locking screw 4 and reduce the gravity load of the main body 2 on the patient, the width of the second opening groove 24 is equal to the width of the first opening groove 23, and the height of the second opening groove 24 is smaller than the height of the main body 2 and larger than the height of the first opening groove 23.
In a specific technical scheme: as shown in fig. 6 to 8, in order to clamp and fix the fracture part, the auxiliary body 3 is a rectangular parallelepiped, and a second screw hole 31 penetrating through the auxiliary body 3 is formed from top to bottom, so that the tail of the locking screw 4 extends to the second screw hole 31 after penetrating through the main body 2;
in a specific application process, in order to further fix the external fixing bracket and the fracture part of a patient, the auxiliary body 3 is provided with two bone needle holes 32, and the opening direction of the bone needle holes 32 is the same as the length direction of the connecting rod 1; the width of the auxiliary body 3 is equal to the depth of the bone needle hole 32, so that the bone needle can fixedly connect the external fixing bracket with the fracture part of the human body conveniently.
In a specific technical scheme: in order to strengthen the locking force between the auxiliary body 3 and the locking screw 4, a third opening groove 33 which is horizontally and vertically arranged with the connecting rod 1 in space is arranged in the middle of the auxiliary body 3, one end of the third opening is communicated with one bone needle hole 32, and the other end of the third opening extends to one side surface of the auxiliary body 3 after penetrating through the other bone needle hole 32; the width of the auxiliary body 3 is equal to the width of the third opening groove 33, and the length of the auxiliary body is greater than the length of the third opening groove 33.
The utility model is realized by the following steps:
1. the external fixing bracket of the utility model is needed to be used, the connecting rod 1 is placed at the fracture part of a patient, the main body 2 is used for fixing at one side of the fracture affected part, then the auxiliary body 3 is locked and fixed by the locking screw 4, and a bone needle penetrates through the auxiliary body 3 at the side and the corresponding affected part;
2. according to the actual situation, another main body 2 adjacent to the main body 2 in the connection rod 1 is moved along the length direction of the connection rod 1, after the other main body 2 can also be rotated to a required position around the connection rod 1, a corresponding auxiliary body 3 is locked and fixed through a corresponding locking screw 4 on the other main body 2, meanwhile, another bone needle is inserted into the auxiliary body 3 on the other main body 2, so that the adjacent main bodies 2 are positioned at two sides of the fracture affected part, and meanwhile, the external fixing bracket is further fixed with the patient through the bone needle, thereby playing a role in strengthening and fixing;
3. if the external fixing support needs to be removed, the spicules on the adjacent auxiliary bodies 3 can be taken down, and then the locking screws 4 are rotated to loosen or separate the main body 2 and the auxiliary bodies 3.
The method of the utility model has convenient operation, can be completed by one person, has low requirement on users, fast operation, strong adaptability and convenient popularization and use, and effectively saves the time for dismounting or mounting.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. An external fixing bracket for fracture is characterized in that: the locking device comprises a connecting rod (1), at least two main bodies (2), at least two auxiliary bodies (3) and at least two locking screws (4), wherein an arc-shaped groove (21) in each main body (2) is clamped with the connecting rod (1), so that the main bodies (2) move axially along the connecting rod (1); one main body (2) corresponds to one auxiliary body (3) and one locking screw (4), the auxiliary body (3) is positioned on the top end face of the main body (2), and the main body (2) and the auxiliary body (3) are connected and fixed through the locking screw (4), so that the main body (2) and the auxiliary body (3) rotate along the circumferential direction of the connecting rod (1) and are used for fixing fracture parts between the adjacent auxiliary bodies (3).
2. The external fixation stent for bone fracture as claimed in claim 1, wherein: the main body (2) is of a cuboid structure, and the connecting rod (1) is a cylindrical rod; the arc length of the arc-shaped groove (21) is greater than half of the perimeter of the longitudinal section of the connecting rod (1) and less than the perimeter of the longitudinal section of the connecting rod (1);
the main body (2) is provided with a first screw hole (22) penetrating through the main body (2) from top to bottom, and the tail portion of the locking screw (4) extends into the auxiliary body (3) after penetrating through the first screw hole (22).
3. The external fixation stent for bone fracture as claimed in claim 2, wherein: a first open slot (23) which is horizontally vertical to the connecting rod (1) is formed in the middle of the main body (2), and the first open slot (23) is communicated with the arc-shaped groove (21) and divides the arc-shaped groove (21) into equal parts;
the first screw hole (22) penetrates through the first opening groove (23).
4. The external fixation stent for bone fracture as claimed in claim 3, wherein: the main part (2) is provided with a second opening groove (24) which is vertically communicated with the first opening groove (23), and the longitudinal section of the first opening groove (23) and the second opening groove (24) is T-shaped, so that one end of the first opening groove (23) is communicated with the second opening groove (24) and the other end is communicated with the arc-shaped groove (21).
5. The external fixation stent for bone fracture as claimed in claim 1, wherein: the auxiliary body (3) is a cuboid, and is provided with a second screw hole (31) penetrating through the auxiliary body (3) from top to bottom, and the tail part of the locking screw (4) penetrates through the main body (2) and then extends to the second screw hole (31).
6. The external fixation stent for bone fracture as claimed in claim 5, wherein: the auxiliary body (3) is provided with two bone needle holes (32), and the opening direction of the bone needle holes (32) is the same as the length direction of the connecting rod (1); the width of the auxiliary body (3) is equal to the depth of the bone needle hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883345.1U CN216221610U (en) | 2021-04-27 | 2021-04-27 | External fixing support for fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883345.1U CN216221610U (en) | 2021-04-27 | 2021-04-27 | External fixing support for fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216221610U true CN216221610U (en) | 2022-04-08 |
Family
ID=80939371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120883345.1U Active CN216221610U (en) | 2021-04-27 | 2021-04-27 | External fixing support for fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216221610U (en) |
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2021
- 2021-04-27 CN CN202120883345.1U patent/CN216221610U/en active Active
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