CN110897693A - An annular external fixator assembly capable of correcting rotational deformities - Google Patents
An annular external fixator assembly capable of correcting rotational deformities Download PDFInfo
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- CN110897693A CN110897693A CN201911166389.6A CN201911166389A CN110897693A CN 110897693 A CN110897693 A CN 110897693A CN 201911166389 A CN201911166389 A CN 201911166389A CN 110897693 A CN110897693 A CN 110897693A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6425—Devices extending alongside the bones to be positioned specially adapted to be fitted across a bone joint
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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Abstract
本发明公开了一种能够纠正旋转畸形的环形外固定器组件，涉及到医疗器械技术领域，包括第一固定环、第二固定环、转动环、第三固定环、转动环固定组件和克氏针，第二固定环设置第一固定环的上侧，且第二固定环与第一固定环相正对，转动环设置在第二固定环的上侧，且转动环与第二固定环相正对，第三固定环设置在转动环的上侧，且第三固定环与转动环相正对，第二固定环的外缘均匀的设有若干转动环固定组件，其中，第一固定环与第二固定环固定连接，第二固定环和转动环通过若干转动环固定组件可转动地连接，转动环与第三固定环固定连接，第一固定环、第二固定环和第三固定环上分别设有两克氏针。具有使用灵活、调整方便的特点。
The invention discloses a ring-shaped external fixator assembly capable of correcting rotational deformity, relates to the technical field of medical devices, and includes a first fixing ring, a second fixing ring, a rotating ring, a third fixing ring, a rotating ring fixing assembly and a K-wire. Needle, the second fixed ring is arranged on the upper side of the first fixed ring, and the second fixed ring is opposite to the first fixed ring, the rotating ring is arranged on the upper side of the second fixed ring, and the rotating ring is opposite to the second fixed ring Opposite, the third fixed ring is arranged on the upper side of the rotating ring, and the third fixed ring is opposite to the rotating ring, the outer edge of the second fixed ring is evenly provided with several rotating ring fixing components, wherein the first fixed ring is Fixed connection with the second fixed ring, the second fixed ring and the rotating ring are rotatably connected by several rotating ring fixing components, the rotating ring is fixedly connected with the third fixed ring, the first fixed ring, the second fixed ring and the third fixed ring There are two K-wires on it. It has the characteristics of flexible use and convenient adjustment.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an annular external fixator assembly capable of correcting rotation deformity.
Background
In the traditional external fixation, a splint or plaster is usually adopted to fix the fracture outside the skin, and because the splint or plaster is separated from the fracture by soft tissues such as muscles, blood vessels, nerves and the like, the fracture end has a room for movement, so that the anatomical contraposition alignment is difficult to achieve; the muscle disuse atrophy caused by the subsidence of swelling and ineffective movement of the affected limb caused by trauma aggravates the external fixation loosening, thereby easily causing the fracture to cause the serious consequences of abnormal healing, delayed healing or bone nonunion.
The traditional annular external fixator can fix, prolong and move bones well, and can conveniently correct angulation and poor contraposition deformity, but the traditional annular external fixator is very troublesome in correction of rotation deformity and complex in structure.
Disclosure of Invention
The present invention aims to provide an annular external fixator assembly capable of correcting rotational deformities, which solves the above technical problems.
The technical scheme adopted by the invention is as follows:
an annular external fixator assembly capable of correcting rotational deformities, comprising a first fixation ring and a third fixation ring, and further comprising: a second fixing ring, a rotating ring fixing component and a Kirschner wire, wherein the second fixing ring is arranged at the upper side of the first fixing ring, the second fixed ring is opposite to the first fixed ring, the rotating ring is arranged at the upper side of the second fixed ring, the rotating ring is opposite to the second fixing ring, the third fixing ring is arranged at the upper side of the rotating ring, the third fixed ring is opposite to the rotating ring, a plurality of rotating ring fixing components are uniformly arranged on the outer edge of the second fixed ring, wherein the first fixed ring is fixedly connected with the second fixed ring, the second fixed ring is rotatably connected with the rotating ring through a plurality of rotating ring fixing components, the rotating ring is fixedly connected with the third fixing ring, and the first fixing ring, the second fixing ring and the third fixing ring are respectively provided with two kirschner wires.
Preferably, the outer edge of the second fixing ring is uniformly provided with a plurality of supporting parts, and each rotating ring fixing component is arranged on one of the supporting parts respectively.
As a further preferred feature, each of the rotating ring fixing assemblies includes:
the fixing block is arranged on the supporting part, an opening is formed in the middle of the fixing block, a clamping groove is formed in one side of the fixing block and is located on the upper side of the opening, and the clamping groove is communicated with the opening;
a compact block disposed within the opening;
and the pressing block is fixed in the opening through the locking bolt.
Preferably, still include three head rods, first solid fixed ring with be equipped with the three between the solid fixed ring of second the head rod, wherein, each the one end of head rod respectively with first solid fixed ring connects, each the other end of head rod respectively with the solid fixed ring of second is connected, and three the head rod is arranged and is equilateral triangle.
Preferably, the locking device further comprises three first connecting rod locking pieces, and the other end of each first connecting rod is connected with the second fixing ring through one first connecting rod locking piece.
As further preferred, still include three second connecting rods, the swivel becket with be equipped with the three between the solid fixed ring of third the second connecting rod, each the one end of second connecting rod respectively with the solid fixed ring of third is connected, each the other end of second connecting rod respectively with the swivel becket is connected, and the three the second connecting rod is arranged and is equilateral triangle.
Preferably, the hinge device further comprises three second connecting rod locking pieces, and the other end of each second connecting rod is connected with the rotating ring through one second connecting rod locking piece.
Preferably, the outer edge of the rotating ring is uniformly provided with a plurality of angle scales.
The technical scheme has the following advantages or beneficial effects:
according to the invention, the first fixing ring and the second fixing ring are fixed at one end of the fracture part through the Kirschner wire, the distance between the second fixing ring and the first fixing ring can be adjusted, the third fixing ring and the rotating ring are fixed at the other end of the fracture part, and the rotating ring is rotationally connected with the second fixing ring through the rotating ring fixing component, so that the rotation of the other end of the fracture part can be realized, and the rotation deformity can be corrected.
Drawings
FIG. 1 is a pre-rotational structural view of an annular external fixator assembly of the present invention capable of correcting rotational deformities;
FIG. 2 is a schematic rotated view of the annular external fixator assembly of the present invention capable of correcting rotational deformities;
fig. 3 is a schematic view showing the construction of the rotating ring fixing assembly according to the present invention.
In the figure: 1. a first retaining ring; 2. a second retaining ring; 3. a rotating ring; 4. a third fixing ring; 5. a rotating ring fixing assembly; 51. a fixed block; 52. a compression block; 53. a locking bolt; 54. an opening; 55. a card slot; 6. a Kirschner wire; 7. a support portion; 8. a first connecting rod; 9. a first connecting rod locking member; 10. a second connecting rod; 11. positioning holes; 12. a second connecting rod locking member; 13. a first k-wire lock; 14. a second k-wire lock; 15. a third k-wire locking member; 16. and a third connecting rod.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a view showing an annular external fixator assembly for correcting deformities due to rotation according to the present invention, fig. 2 is a view showing a state of rotation of the annular external fixator assembly for correcting deformities due to rotation according to the present invention, fig. 3 is a view showing a structure of a rotating ring fixing assembly according to the present invention, and fig. 1 to 3 show a preferred embodiment showing an annular external fixator assembly for correcting deformities due to rotation, including: the device comprises a first fixing ring 1, a second fixing ring 2, a rotating ring 3, a third fixing ring 4, a rotating ring fixing component 5 and a Kirschner wire 6. The solid fixed ring of second 2 sets up the upside of the solid fixed ring of first 1, and the solid fixed ring of second 2 is just right with the solid fixed ring of first 1 mutually, and swivel becket 3 sets up the upside at the solid fixed ring of second 2, and swivel becket 3 is just right with the solid fixed ring of second 2 mutually, and the solid fixed ring of third 4 sets up the upside at swivel becket 3, and the solid fixed ring of third 4 is just right with swivel becket 3 mutually. The even a plurality of rotating ring fixed component 5 that are equipped with of the solid fixed ring of 2's of second outer fringe, wherein, the solid fixed ring of first fixed ring 1 and the solid fixed ring of second 2 fixed connection, the solid fixed ring of second 2 and rotating ring 3 rotationally connect through a plurality of rotating ring fixed component 5. The rotating ring 3 is fixedly connected with the third fixing ring 4, and the first fixing ring 1, the second fixing ring 2 and the third fixing ring 4 are respectively provided with two Kirschner wires 6. In this embodiment, the first fixing ring 1 and the second fixing ring 2 are not rotatable, the rotating ring 3 and the second fixing ring 2 are rotatable, and the third fixing ring 4 and the rotating ring 3 are not rotatable. The first fixing ring 1 and the second fixing ring 2 are used for being installed at one end of a fracture part, and the rotating ring 3 and the third fixing ring 4 are used for being installed at the other end of the fracture part. In this embodiment, the distance between the first fixing ring 1 and the second fixing ring 2 can be adjusted every day to meet the requirement for moving bone fragments, and the requirement for correcting rotation deformity can be met by rotating the rotating ring. When the bone fracture plate is used, if a bone defect exists at a fracture part, as shown in fig. 1, the three third connecting rods 16 sequentially penetrate through the first fixing ring 1, the second fixing ring 2, the rotating ring 3 and the third fixing ring 4, the three third connecting rods 16 are arranged in an equilateral triangle shape, the first fixing ring 1 and the second fixing ring 2 are fixed at one end of the fracture part through the kirschner wire 6, the third fixing ring 4 is fixed at the other end of the fracture part through the kirschner wire 6, then the rotating ring 3 and the second fixing ring 2 are connected and fixed through the rotating ring fixing component 5, a bone is cut between the first fixing ring 1 and the second fixing ring 2, then the second fixing ring 2 and the rotating ring 3 are upwards adjusted every day, so that a middle bone section above the bone cut part can be upwards displaced until two ends of the fracture part are contacted, and the bone defect is treated. When it is necessary to correct the rotation deformity, the original three third connecting rods 16 are replaced with three first connecting rods 8 and three second connecting rods 10 as shown in fig. 2. In this embodiment, the first connecting rod 8 and the second connecting rod 10 may be formed by breaking the third connecting rod 16, or the original third connecting rod 16 may be replaced by the first connecting rod 8 and the second connecting rod 10. Then the locking bolt 53 in the rotating ring fixing component 5 is loosened, the other end of the fracture part is rotated by rotating the rotating ring 3, the rotation deformity of the fracture part can be corrected, and then the rotating ring 3 and the second fixing ring 2 are fixed by screwing the locking bolt 53.
Further, as a preferred embodiment, a plurality of supporting portions 7 are uniformly disposed on the outer edge of the second fixing ring 2, and each rotating ring fixing assembly 5 is disposed on one supporting portion 7. In this embodiment, there are three supporting portions 7, and the three supporting portions 7 are in an equilateral triangle array.
Further, as a preferred embodiment, each rotating ring fixing assembly 5 includes:
the fixing block 51 is arranged on the supporting part 7, an opening 54 is formed in the middle of the fixing block 51, a clamping groove 55 is formed in one side of the fixing block 51, the clamping groove 55 is located on the upper side of the opening 54, and the clamping groove 55 is communicated with the opening 54. Wherein, one side of the fixed block 51 refers to one side of the fixed block 51 close to the rotating ring. A hold down block 52, the hold down block 52 disposed within the opening 54. The fixing block 51 and the supporting portion 7 may be connected by welding or screws.
The locking bolt 53, the holding-down block 52 is fixed in the opening 54 by the locking bolt 53. In this embodiment, as shown in fig. 3, the pressing block 52 is used to press the rotating ring 3, when in use, the outer edge of the rotating ring 3 is located in the slot 55, and the force of the pressing block 52 pressing the rotating ring 3 can be adjusted by rotating the locking bolt 53. When it is desired to turn the turning ring 3, the locking bolt 53 can be loosened. When it is desired to fix the rotating ring 3 to the second fixing ring 2, the locking screws 53 can be tightened. As oriented in fig. 3, a locking bolt 53 is inserted from the upper end of the fixing block 51 into the opening 54 and connected to the compression block 52.
Further, as a preferred embodiment, the fixing device further includes three first connecting rods 8, the three first connecting rods 8 are disposed between the first fixing ring 1 and the second fixing ring 2, wherein one end of each first connecting rod 8 is connected to the first fixing ring 1, the other end of each first connecting rod 8 is connected to the second fixing ring 2, and the three first connecting rods 8 are arranged in an equilateral triangle.
Further, as a preferred embodiment, it further comprises three first connecting rod locking members 9, and the other end of each first connecting rod 8 is connected to the second fixing ring 2 through one first connecting rod locking member 9.
Further, as a preferred embodiment, the device further includes three second connecting rods 10, three second connecting rods 10 are disposed between the rotating ring 3 and the third fixing ring 4, one end of each second connecting rod 10 is connected to the third fixing ring 4, the other end of each second connecting rod 10 is connected to the rotating ring 3, and the three second connecting rods 10 are arranged in an equilateral triangle. In this embodiment, the first fixing ring 1, the second fixing ring 2, the rotating ring 3 and the third fixing ring 4 are respectively and uniformly provided with a plurality of positioning holes 11, the plurality of positioning holes 11 are arranged in a circular shape, one point of each first connecting rod 8 is respectively inserted into a positioning hole 11 formed in the first fixing ring 1 and fixed with the fixing hole 11, and the other end of each first connecting rod 8 respectively penetrates through a positioning hole 11 formed in the second fixing ring 2 and is fixed with the positioning hole 11 through a first connecting rod locking piece 9. One point of each second connecting rod 10 is inserted into a positioning hole 11 on the third fixing ring 4 and fixed with the fixing hole 11, and the other end of each second connecting rod 10 penetrates through a positioning hole 11 on the rotating ring 3 and is fixed with the positioning hole 11 through a second connecting rod locking piece 12.
Further, as a preferred embodiment, it further comprises three second connecting rod locking pieces 12, and the other end of each second connecting rod 10 is connected to the rotating ring 3 through one second connecting rod locking piece 12. In this embodiment, each of the first connecting rod 8 and the second connecting rod 10 is a screw, and each of the first connecting rod locking member 9 and the second connecting rod locking member 12 is a nut. For example, the other end of the first connecting rod 8 is provided with two nuts, and the two nuts are respectively located on two sides of the second fixing ring 2, the second fixing ring 2 can be fixedly connected with the other end of the first connecting rod 8 by rotating the two nuts, and when the distance between the first fixing ring 1 and the second fixing ring 2 needs to be adjusted, the two nuts can be unscrewed. In this embodiment, the first connecting rod 8 and the second connecting rod 10 can also both adopt smooth metal rods, be equipped with the scale on smooth metal rods, if the first connecting rod 8 and the second connecting rod 10 all adopt smooth metal rods, then the first connecting rod locking piece 9 and the second connecting rod locking piece 12 are collet and lock nut, wherein, collet is used for connecting solid fixed ring 2 of first connecting rod 8 and second, and second connecting rod 10 and swivel becket 3, and collet external lock nut, the accessible is screwed up or is loosened the elasticity between solid fixed ring 2 of lock nut first connecting rod 8 and second and the elasticity between second connecting rod 10 and swivel becket 3.
Further, as a preferred embodiment, the outer edge of the rotating ring 3 is uniformly provided with a plurality of angle scales (not shown in the figure). In this embodiment, the outer edge of the rotating ring 3 is provided with 360 ° angle scales, which can improve the accuracy of the rotating angle.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
On the basis of the above, the present invention also has the following embodiments:
further, as another embodiment, each first connecting rod 8 is provided with a plurality of first scale values (not shown in the figure) respectively, and the plurality of first scale values are all arranged along the length direction of the first connecting rod 8, and the distance between the first fixing ring 1 and the second fixing ring 2 can be precisely adjusted by setting the scale values.
Further, as another embodiment, four first k-wire locking members 13 are uniformly arranged on the first fixing ring 1, the four first k-wire locking members 13 are in a rectangular array, and one k-wire 6 is fixedly arranged between two first k-wire locking members 13 in a diagonal relationship. The kirschner wire is referred to herein as the kirschner wire 6 mounted on the first fixing ring 1.
Further, as another embodiment, four second k-wire locking members 14 are uniformly arranged on the second fixing ring 2, the four second k-wire locking members 14 are in a rectangular array, and one k-wire 6 is fixedly arranged between two second k-wire locking members 14 in a diagonal relationship. The kirschner wire is referred to herein as the kirschner wire 6 mounted on the second fixing ring 2.
Further, as another embodiment, four third k-wire locking members 15 are uniformly arranged on the third fixing ring 4, the four third k-wire locking members 15 are in a rectangular array, and one k-wire 6 is fixedly arranged between two third k-wire locking members 15 in a diagonal relationship. The kirschner wire is referred to herein as the kirschner wire 6 mounted on the third fixing ring 4.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. An annular external fixator assembly capable of correcting rotational deformities, comprising a first fixing ring and a third fixing ring, characterized by comprising: a second fixing ring, a rotating ring fixing component and a Kirschner wire, wherein the second fixing ring is arranged at the upper side of the first fixing ring, the second fixed ring is opposite to the first fixed ring, the rotating ring is arranged at the upper side of the second fixed ring, the rotating ring is opposite to the second fixing ring, the third fixing ring is arranged at the upper side of the rotating ring, the third fixed ring is opposite to the rotating ring, a plurality of rotating ring fixing components are uniformly arranged on the outer edge of the second fixed ring, wherein the first fixed ring is fixedly connected with the second fixed ring, the second fixed ring is rotatably connected with the rotating ring through a plurality of rotating ring fixing components, the rotating ring is fixedly connected with the third fixing ring, and the first fixing ring, the second fixing ring and the third fixing ring are respectively provided with two kirschner wires.
2. The annular external fixator assembly for correcting deformities of rotation of claim 1 wherein the second fixation ring has a plurality of support portions uniformly formed on its outer periphery, and each of the rotating ring fixation assemblies is disposed on one of the support portions.
3. The annular external fixator assembly for correcting deformities of rotation of claim 2, wherein each of the rotating ring fixation assemblies comprises:
the fixing block is arranged on the supporting part, an opening is formed in the middle of the fixing block, a clamping groove is formed in one side of the fixing block and is located on the upper side of the opening, and the clamping groove is communicated with the opening;
a compact block disposed within the opening;
and the pressing block is fixed in the opening through the locking bolt.
4. The assembly of claim 1, further comprising three first connecting rods disposed between the first and second fixing rings, wherein one end of each of the first connecting rods is connected to the first fixing ring, the other end of each of the first connecting rods is connected to the second fixing ring, and the three first connecting rods are arranged in an equilateral triangle.
5. The annular external fixator assembly for correcting deformities of rotation of claim 4 further comprising three first rod locks, each of said first rods having another end connected to said second fixation ring by a respective one of said first rod locks.
6. The annular external fixator assembly for correcting deformities of rotation of claim 5 further comprising three second connecting rods, wherein three second connecting rods are disposed between the rotating ring and the third fixing ring, one end of each second connecting rod is connected to the third fixing ring, the other end of each second connecting rod is connected to the rotating ring, and the three second connecting rods are arranged in an equilateral triangle.
7. The annular external fixator assembly for correcting deformities of rotation of claim 6 further comprising three second connecting rod locks, each of said second connecting rods having another end connected to said rotating ring through a respective one of said second connecting rod locks.
8. The annular external fixator assembly for correcting deformities of rotation of claim 1 wherein the outer periphery of the rotating ring is uniformly graduated with angular degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166389.6A CN110897693A (en) | 2019-11-25 | 2019-11-25 | An annular external fixator assembly capable of correcting rotational deformities |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911166389.6A CN110897693A (en) | 2019-11-25 | 2019-11-25 | An annular external fixator assembly capable of correcting rotational deformities |
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| CN110897693A true CN110897693A (en) | 2020-03-24 |
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| CN201911166389.6A Pending CN110897693A (en) | 2019-11-25 | 2019-11-25 | An annular external fixator assembly capable of correcting rotational deformities |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839694A (en) * | 2020-07-27 | 2020-10-30 | 北京信息科技大学 | A centering and rotating device for Ilizarov external fixator |
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| CN86108719A (en) * | 1985-11-29 | 1987-06-17 | 雅克矫形外科公司 | Device for positioning and securing with circular position object |
| SU1360718A1 (en) * | 1986-04-14 | 1987-12-23 | В. 3. Полетанский | Compression/distraction apparatus |
| CN105590889A (en) * | 2014-10-24 | 2016-05-18 | 杨艳 | Solar chip limiting and positioning device |
| CN204207833U (en) * | 2014-11-12 | 2015-03-18 | 步建立 | Pelvic traction external fixer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839694A (en) * | 2020-07-27 | 2020-10-30 | 北京信息科技大学 | A centering and rotating device for Ilizarov external fixator |
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