CN215192123U - Simple distraction fixing device for fracture of lower leg - Google Patents
Simple distraction fixing device for fracture of lower leg Download PDFInfo
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- CN215192123U CN215192123U CN202120295112.XU CN202120295112U CN215192123U CN 215192123 U CN215192123 U CN 215192123U CN 202120295112 U CN202120295112 U CN 202120295112U CN 215192123 U CN215192123 U CN 215192123U
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Abstract
The utility model provides a shank fracture simply struts fixing device, include: the two Kirschner wires are respectively used for penetrating through two ends of the fracture part of the lower leg bone; the two spreading components are respectively used for being arranged on two sides of the fracture part of the lower leg bone; the distraction assembly includes: one end of the adjusting column is provided with a first screw hole along the axis of the adjusting column, the other end of the adjusting column is provided with a second screw hole along the axis of the adjusting column, and the screw thread turning directions of the first screw hole and the second screw hole are opposite; one end of the first screw rod is in threaded connection with the first screw hole; one end of the second screw rod is in threaded connection with the second screw hole; the supporting seat is provided with two sliding holes, the sliding holes penetrate through the inner side face and the outer side face of the supporting seat, and the sliding holes can be penetrated through by the Kirschner wires. The utility model has the advantages that: the utility model is arranged at the position of the fracture of the lower leg, and the expansion degree of the expansion component is adjusted by rotating the adjusting column in the positive direction or the reverse direction, so as to realize the expansion and the reduction of the fracture of the lower leg; the installation is fast with the dismantlement, and it is convenient to use.
Description
Technical Field
The utility model relates to a medical surgical instrument, in particular to a simple distraction fixing device for fracture of a leg bone.
Background
Fractures of the calf bone, i.e. fractures of the tibiofibula, are mostly treated by surgery. However, the fracture of the part is easy to cause the problem of soft tissue swelling, which is not beneficial to the early surgical treatment and the healing of the wound after the operation and increases the infection risk. Therefore, before operation, the fracture end is generally stretched and reset through bone traction or external fixation frame fixation, the fracture end is maintained to be stable, the swelling of the shank is eliminated, the wound infection of the fracture broken end is avoided, and after the swelling inflammation is completely subsided, further operation treatment is considered. However, the external fixation frame is expensive, most of the external fixation frames are mainly used for bone traction treatment clinically, but a patient needs to lie on a traction bed, the physical activity range is greatly limited, and the patient is inconvenient to move when going out for shooting examination.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a shank fracture simply struts fixing device, realizes strutting of shank fracture and resets conveniently.
The utility model discloses a realize like this: a simple distraction fixation device for fracture of a calf bone comprising:
the two kirschner wires are respectively used for penetrating through two ends of a fracture part of the lower leg bone;
the two spreading assemblies are respectively used for being placed on two sides of a fracture part of the lower leg bone;
the distraction assembly includes:
the adjusting device comprises an adjusting column, a first screw hole is formed in one end of the adjusting column along the axis of the adjusting column, a second screw hole is formed in the other end of the adjusting column along the axis of the adjusting column, the screwing directions of threads of the first screw hole and the second screw hole are opposite, the depth of the first screw hole is equal to that of the second screw hole, a through hole is formed in the adjusting column, the through hole is vertically arranged on the axis of the adjusting column and is also located between the first screw hole and the second screw hole;
one end of the first screw rod is in threaded connection with the first screw hole;
one end of the second screw rod is in threaded connection with the second screw hole;
the supporting seat is provided with a sliding hole, the sliding hole penetrates through the inner side face and the outer side face of the supporting seat, the sliding hole can be penetrated by the Kirschner wire, the number of the supporting seats is two, one of the two supporting seats is connected with the other end of the first screw in a dismounting mode, and the other supporting seat is connected with the other end of the second screw in a dismounting mode.
Further, the distraction assembly further comprises:
the inserting rod is connected with the through hole in a sliding mode;
and the two check blocks are respectively connected with the two ends of the inserted bar in a dismounting manner.
Further, the distraction assembly further comprises:
the clips are used for clamping the Kirschner wires, the number of the clips is consistent with that of the supporting seats, and the clips are located on the outer sides of the supporting seats.
Further, the adjusting column is a prism or a cylinder with anti-skid lines on the surface.
Furthermore, the second screw hole is replaced by a limiting hole, the depth of the limiting hole is smaller than that of the first screw hole, the second screw rod is replaced by a polished rod, and one end of the polished rod is rotatably connected with the limiting hole.
Furthermore, the other end of the polished rod is provided with a mounting hole, a bolt is fixedly arranged on the upper side face of the supporting seat, the mounting hole is sleeved on a screw rod of the bolt, the other end of the polished rod is locked with the bolt through a nut and a gasket, and tooth-shaped lines are arranged on a contact surface between the other end of the polished rod and the head of the bolt.
The utility model has the advantages that: the utility model is arranged at the position of the fracture of the lower leg bone, and the expansion and contraction of the two supporting seats can be realized by rotating the adjusting column in the positive direction or the reverse direction, thereby adjusting the expansion degree of the expansion component and realizing the expansion and the reduction of the fracture of the lower leg bone; the traction table is fast to mount and dismount, is convenient to use, is not limited in the activities of other limbs of a patient, and overcomes the defect that the traction table must be laid for a long time.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a first embodiment of the simple distraction fixation device for fracture of a leg of the present invention.
Fig. 2 is an implementation state diagram of the simple distraction fixation device for fracture of the leg bone of the utility model.
Fig. 3 is a schematic view of the connection between the middle support seat and the first screw rod of the present invention.
Fig. 4 is a schematic sectional view of the connection of the middle adjusting post, the first screw rod, the second screw rod and the plug rod of the present invention.
Fig. 5 is a schematic structural view of a second embodiment of the simple distraction fixation device for fracture of a leg of the present invention.
Fig. 6 is a schematic sectional view of the connection of the middle adjusting column, the first screw and the light rod of the present invention.
Fig. 7 is a schematic perspective view of the appearance of the middle adjusting column, the first screw rod and the polish rod of the present invention.
Fig. 8 is a schematic position diagram of the tooth-shaped lines of the present invention.
Reference numerals: a Kirschner wire 1; a distraction assembly 2; an adjustment column 21; a first screw hole 211; a second screw hole 212; a through hole 213; a first screw 22; a second screw 23; a support base 24; a slide hole 241; a head 242 of the bolt; the shank 243 of the bolt; a nut 244; a spacer 245; toothed texture 246; an insert rod 25; a stopper 26; a clip 27; a polish rod 28; the lower leg bones 3.
Detailed Description
The embodiment of the utility model provides a through providing a shank fracture simply struts fixing device, solved among the prior art patient must lie and draw the technical problem that the shank fracture treatment that resets on the bed, realized quick installation and dismantlement, use convenient technological effect.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows: the utility model is arranged at the position of the fracture of the lower leg bone, and the expansion and contraction of the two supporting seats can be realized by rotating the adjusting column in the positive direction or the reverse direction, thereby adjusting the expansion degree of the expansion component and realizing the reduction treatment of the fracture of the lower leg bone; the installation is fast with the dismantlement, and it is convenient to use.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 4, the first embodiment of the simple distraction fixation device for fracture of lower leg of the present invention is shown.
The utility model discloses a: the two kirschner wires 1 are respectively used for penetrating through two ends of a fracture part of the lower leg bone 3; the kirschner wire 1 is a commonly used internal fixation material in orthopedics, is used for fixing fracture blocks with small fracture, avulsion fracture and the like and with low stress, and is also used for fixing temporary fracture blocks in orthopedic operations.
The two distraction components 2 are respectively used for being arranged on two sides of the fracture part of the leg bone 3; the distraction assembly 2 includes: an adjusting column 21, one end of the adjusting column 21 is provided with a first screw hole 211 along an axis thereof, the other end of the adjusting column 21 is provided with a second screw hole 212 along the axis thereof, the screwing directions of the first screw hole 211 and the second screw hole 212 are opposite, the depth of the first screw hole 211 is equal to that of the second screw hole 212, the adjusting column 21 is further provided with a through hole 213, the through hole 213 is vertically arranged on the axis of the adjusting column 21 and is also positioned between the first screw hole 211 and the second screw hole 212; the adjusting column 21 is a prism or a cylinder with anti-skid lines on the surface; one end of the first screw 22 is in threaded connection with the first screw hole 211; one end of the second screw rod 23 is in threaded connection with the second screw hole 212; the supporting seat 24 is provided with two sliding holes 241, the sliding holes 241 penetrate through the inner side surface and the outer side surface of the supporting seat 24, the sliding holes 241 can be penetrated through by the kirschner wire 1, one of the supporting seats 24 is detachably connected with the other end of the first screw 22, and the other supporting seat 24 is detachably connected with the other end of the second screw 23.
The distraction assembly 2 further comprises: the inserting rod 25 is connected with the through hole 213 in a sliding mode; and the two stoppers 26 are respectively connected with the two ends of the inserted rod 25 in a detachable mode. The inserted rod 25 is arranged to increase the moment and to rotate the adjusting column 21 more easily. The detachable connection between the stop 26 and the insertion rod 25 is selected from a thread locking fixed connection, when the insertion rod 25 is not needed, the stop 26 is unscrewed to take down the insertion rod 25, and then the insertion rod 25 slides out from the through hole 213 of the adjusting rod.
The distraction assembly 2 further comprises: the clips 27 are used for clamping the kirschner wires 1, the number of the clips 27 is the same as that of the supporting seats 24, and the clips 27 are positioned on the outer sides of the supporting seats 24. The clamp 27 limits the supporting seat 24, plays a role in safety, and prevents the supporting seat 24 from being separated from the kirschner wire 1 due to accidents in the process of adjusting the distraction assembly 2.
The simple distraction fixing device for the fracture of the lower leg bone is arranged at the fracture part of the lower leg bone, and the distraction reduction of the fracture of the lower leg bone is conveniently realized; the traction table is fast to mount and dismount, is convenient to use, is not limited in the activities of other limbs of a patient, and overcomes the defect that the traction table must be laid for a long time.
Referring to fig. 5 and 6, the present invention is a second embodiment of the simple distraction fixation device for fracture of lower leg.
The second screw hole 212 is replaced by a limiting hole, the depth of the limiting hole is smaller than that of the first screw hole, the second screw rod 23 is replaced by a polished rod 28, and one end of the polished rod 28 is rotatably connected with the limiting hole. When the adjusting column 21 is rotated, only the first threaded rod extends and contracts, the polished rod 28 only rotates and matches with the adjusting column 21, and no relative movement is generated between the polished rod 28 and the adjusting column 21. The aim of adjusting the distraction degree of the distraction assembly 2 is also fulfilled, and the distraction reduction of the fracture of the leg bone is conveniently realized. Please refer to the first embodiment of the present invention for other parts not described.
Referring to fig. 7 and 8, the third embodiment of the simple distraction fixation device for fracture of lower leg of the present invention is shown.
The other end of the polish rod 28 is provided with a mounting hole, the upper side surface of the support seat 24 is fixedly provided with a bolt, the mounting hole is sleeved on a screw 243 of the bolt, the other end of the polish rod 28 is locked with the bolt by a nut 244 and a gasket 245, and the contact surface between the other end of the polish rod 28 and the head 242 of the bolt is provided with a tooth-shaped line 246. When nut 244 is tightened, the friction is increased by the presence of toothed ridges 246 so that rotation does not easily occur between the other end of rod 28 and the bolt. The position of the polish rod 28 in fig. 8 is adjusted to the locked position after rotation, and the support seat 24 in the figure is another equivalent structure. The utility model discloses in the reassembling type between first screw rod 22, second screw rod 23 and the supporting seat 24 be connected also refer to this kind of mode. Please refer to the second embodiment of the present invention for other parts not described.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The utility model provides a shank fracture simply struts fixing device which characterized in that includes:
the two kirschner wires are respectively used for penetrating through two ends of a fracture part of the lower leg bone;
the two spreading assemblies are respectively used for being placed on two sides of a fracture part of the lower leg bone;
the distraction assembly includes:
the adjusting device comprises an adjusting column, a first screw hole is formed in one end of the adjusting column along the axis of the adjusting column, a second screw hole is formed in the other end of the adjusting column along the axis of the adjusting column, the screwing directions of threads of the first screw hole and the second screw hole are opposite, the depth of the first screw hole is equal to that of the second screw hole, a through hole is formed in the adjusting column, the through hole is vertically arranged on the axis of the adjusting column and is also located between the first screw hole and the second screw hole;
one end of the first screw rod is in threaded connection with the first screw hole;
one end of the second screw rod is in threaded connection with the second screw hole;
the supporting seat is provided with a sliding hole, the sliding hole penetrates through the inner side face and the outer side face of the supporting seat, the sliding hole can be penetrated by the Kirschner wire, the number of the supporting seats is two, one of the two supporting seats is connected with the other end of the first screw in a dismounting mode, and the other supporting seat is connected with the other end of the second screw in a dismounting mode.
2. The easy distraction fixation device for a fracture of a calf of claim 1, wherein the distraction assembly further comprises:
the inserting rod is connected with the through hole in a sliding mode;
and the two check blocks are respectively connected with the two ends of the inserted bar in a dismounting manner.
3. The easy distraction fixation device for a fracture of a calf of claim 1, wherein the distraction assembly further comprises:
the clips are used for clamping the Kirschner wires, the number of the clips is consistent with that of the supporting seats, and the clips are located on the outer sides of the supporting seats.
4. The device for easily distracting and fixing fractured calf bone according to claim 1, wherein the adjusting column is a prism or a cylinder with anti-skid lines on the surface.
5. The simple distraction fixation device for the fracture of the calf bone as recited in claim 1, wherein the second screw hole is replaced by a limiting hole, the depth of the limiting hole is less than that of the first screw hole, the second screw rod is replaced by a polished rod, and one end of the polished rod is rotatably connected with the limiting hole.
6. The device for easily distracting and fixing a fracture of a calf bone according to claim 5, wherein the other end of the polish rod is provided with a mounting hole, the upper side surface of the support seat is fixedly provided with a bolt, the mounting hole is sleeved on a screw rod of the bolt, the other end of the polish rod is locked with the bolt by a nut and a gasket, and the contact surface between the other end of the polish rod and the head of the bolt is provided with a toothed texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120295112.XU CN215192123U (en) | 2021-02-02 | 2021-02-02 | Simple distraction fixing device for fracture of lower leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120295112.XU CN215192123U (en) | 2021-02-02 | 2021-02-02 | Simple distraction fixing device for fracture of lower leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215192123U true CN215192123U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120295112.XU Active CN215192123U (en) | 2021-02-02 | 2021-02-02 | Simple distraction fixing device for fracture of lower leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215192123U (en) |
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2021
- 2021-02-02 CN CN202120295112.XU patent/CN215192123U/en active Active
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