CN111938796B - Simple spinal column revision fusion assembly - Google Patents
Simple spinal column revision fusion assembly Download PDFInfo
- Publication number
- CN111938796B CN111938796B CN202010865719.7A CN202010865719A CN111938796B CN 111938796 B CN111938796 B CN 111938796B CN 202010865719 A CN202010865719 A CN 202010865719A CN 111938796 B CN111938796 B CN 111938796B
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- China
- Prior art keywords
- revision
- rods
- splicing
- groove
- mounting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7011—Longitudinal element being non-straight, e.g. curved, angled or branched
- A61B17/7013—Longitudinal element being non-straight, e.g. curved, angled or branched the shape of the element being adjustable before use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
Abstract
The invention discloses a simple spinal column revision fusion assembly, which relates to the field of spinal column revision and comprises a plurality of splicing rods, wherein threaded rods are arranged on the splicing rods, connectors are arranged on the threaded rods, fusion rods are arranged on the connectors, sliding grooves are formed in the splicing rods, sliding blocks are movably arranged in the sliding grooves, the threaded rods are movably arranged on the sliding blocks, splicing grooves are formed in the splicing rods, splicing blocks are fixedly arranged in the splicing grooves, and one splicing block is spliced in an adjacent splicing groove. According to the invention, through the arrangement of the splicing rods, the sliding grooves and the sliding blocks, the lengths of the splicing rods can be conveniently spliced and adjusted according to needs, so that tools are not required to be used for cutting off or special production is not required, the use cost is effectively reduced, meanwhile, the positions of the fusion rods can be adjusted through the sliding blocks, further convenience is brought to the use of the fusion assembly, and the requirements of people are met.
Description
Technical Field
The invention relates to the technical field of spinal column revision, in particular to a simple spinal column revision fusion assembly.
Background
The spine is the pillar of the body, is located in the middle of the back, with the upper end connected to the skull and the lower end reaching the tip of the coccyx. The spine is divided into five sections of neck, chest, waist, sacrum and tail, the upper part is long and movable, the spine is similar to a bracket, a chest wall and an abdominal wall are hung, the lower part is short and relatively fixed, the weight of the body and the vibration borne by the body are transmitted to the lower limbs, the spine is composed of vertebra and intervertebral discs, the spine is a relatively soft and movable structure, the shape of the spine can be greatly changed along with the movement load of the body, the movement of the spine depends on the integrity of the intervertebral discs, the harmony between articular processes of the relevant vertebra is realized, and the spine revision surgery is more and more widely applied to solve the degeneration of adjacent segments generated after the spine fusion.
In the prior art, for example, a patent with a patent publication number of CN204909609U discloses a medical spine revision surgery fusion component, the invention enables a spine revision surgery to fuse degenerated segments without removing an original implant, thereby obviously simplifying the procedure of the spine revision surgery, reducing the difficulty of surgical operation and shortening the surgical time.
Disclosure of Invention
The invention aims to provide a simple spinal column revision fusion assembly to solve the problems that when the existing fusion rod provided by the background art is applied, a plurality of fusion rods are connected together through a connecting rod and then combined and installed, but the length of the existing connecting rod cannot be adjusted, and the existing connecting rod can only be cut off or produced independently by using a tool each time the existing connecting rod is used, so that the use cost is high.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a simple and easy backbone revision art fuses subassembly, includes a plurality of splice bars, all is equipped with the threaded rod on a plurality of splice bars, installs the joint on the threaded rod, installs on the joint and fuses the stick, has all seted up the spout on a plurality of splice bars, and movable mounting has the slider in the spout, and threaded rod movable mounting has all seted up the inserting groove on a plurality of splice bars on the slider, and equal fixed mounting has the grafting piece in a plurality of inserting grooves, and a grafting piece is pegged graft in adjacent inserting groove.
Preferably, the slider is provided with a mounting cavity, the inner wall of one side of the mounting cavity is provided with a threaded hole, and the threaded rod is installed in the threaded hole in a threaded manner.
Preferably, be equipped with the clamp plate in the installation cavity, the one end of threaded rod contacts with the clamp plate, and fixed mounting has two briquettings on the clamp plate, all rotates on two briquettings to install the connecting rod, all rotates on two connecting rods to install the kelly, has all seted up the slide opening on the both sides inner wall of installation cavity, and two slide openings are run through respectively to the one end that two kellies kept away from each other.
Preferably, two connecting holes are formed in the connecting rod, connecting shafts are rotatably mounted in the two connecting holes, and the two connecting shafts are fixedly mounted on the pressing block and the clamping rod respectively.
Preferably, two limiting holes are formed in the pressing plate, limiting rods are movably mounted in the two limiting holes, and the two limiting rods are fixedly mounted on the inner wall of the mounting cavity.
Preferably, a plurality of clamping grooves are formed in the inner walls of the two sides of the sliding groove at equal intervals, and one ends, far away from each other, of the two clamping rods extend into the two clamping grooves respectively.
Preferably, the splicing rod is provided with a mounting groove, a bolt is movably mounted in the mounting groove, a cross groove is formed in the bolt, a communicating hole is formed in the inner wall of the mounting groove, and one end of the bolt penetrates through the communicating hole.
Preferably, the insertion block is provided with a thread groove, and one end of the bolt is installed in the thread groove in a threaded manner.
The invention has the beneficial effects that:
according to the invention, through the arrangement of the splicing rods, the sliding grooves and the sliding blocks, the splicing rods can be conveniently spliced and adjusted according to the needs, so that tools are not required to be used for cutting off or special production is not required, the use cost is effectively reduced, meanwhile, the positions among the fusion rods can be adjusted through the sliding blocks, the fusion assembly can be further conveniently used, and the requirements of people are met.
According to the invention, through the arrangement of the mounting cavity, the threaded hole, the pressing plate, the limiting hole, the limiting rod, the pressing block, the sliding hole, the clamping rod, the clamping groove, the connecting rod and the connecting shaft, when the sliding block is required to be fixed, the pressing plate can be pressed to move only by mounting the threaded rod in the threaded hole in a threaded manner, so that the pressing plate drives the two connecting rods to move through the two pressing blocks, the two connecting rods drive the two clamping rods to move, the two clamping rods can be inserted into the two corresponding clamping grooves, the sliding block can be very conveniently fixed, and the requirements of people are further met.
Drawings
FIG. 1 is a schematic structural view of a simplified spinal revision fusion module according to the present invention;
FIG. 2 is a schematic bottom view of a simplified spinal revision fusion assembly according to the present invention;
FIG. 3 is a side cross-sectional structural schematic view of a simplified spinal revision fusion assembly in accordance with the present invention;
FIG. 4 is a front cross-sectional schematic view of a simplified spinal revision fusion assembly in accordance with the present invention;
FIG. 5 is a schematic view of portion A of FIG. 3 illustrating a simplified spinal revision fusion assembly according to the present invention;
fig. 6 is a schematic structural view of portion B of fig. 4 of a simplified spinal revision fusion assembly in accordance with the present invention.
In the figure: 1. splicing rods; 2. a threaded rod; 3. a joint; 4. a fusion rod; 5. a chute; 6. a slider; 7. inserting grooves; 8. an insertion block; 9. mounting grooves; 10. a communicating hole; 11. a bolt; 12. a thread groove; 13. a mounting cavity; 14. a threaded hole; 15. pressing a plate; 16. a limiting hole; 17. a limiting rod; 18. briquetting; 19. a slide hole; 20. a clamping rod; 21. a card slot; 22. a connecting rod; 23. a connecting shaft; 24. a cross-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a simple and easy backbone revision art fuses subassembly, including a plurality of splice bars 1, all be equipped with threaded rod 2 on a plurality of splice bars 1, install on threaded rod 2 and connect 3, install on connecting 3 and fuse stick 4, spout 5 has all been seted up on a plurality of splice bars 1, movable mounting has slider 6 in the spout 5, threaded rod 2 movable mounting is on slider 6, spliced groove 7 has all been seted up on a plurality of splice bars 1, equal fixed mounting has splicing block 8 in a plurality of spliced groove 7, splicing block 8 pegs graft in adjacent spliced groove 7, when carrying out the backbone and restoreing, can confirm splice bar 1's concatenation length as required, to quantity splice bar 1 peg graft in proper order as required, thereby make splice bar 1's length to adjust, the position between two splice bars 4 also can be adjusted simultaneously, make the use of this device more convenient.
In the invention, a mounting cavity 13 is formed on the sliding block 6, a threaded hole 14 is formed in the inner wall of one side of the mounting cavity 13, and the threaded rod 2 is installed in the threaded hole 14 in a threaded manner.
In the invention, a pressing plate 15 is arranged in an installation cavity 13, one end of a threaded rod 2 is contacted with the pressing plate 15, two pressing blocks 18 are fixedly arranged on the pressing plate 15, connecting rods 22 are rotatably arranged on the two pressing blocks 18, clamping rods 20 are rotatably arranged on the two connecting rods 22, sliding holes 19 are respectively formed in the inner walls of two sides of the installation cavity 13, one ends of the two clamping rods 20, which are far away from each other, penetrate through the two sliding holes 19 respectively, the threaded rod 2 is installed in a threaded hole 14 in a threaded manner, and the threaded rod 2 can press the pressing plate 15 to move.
In the invention, two connecting holes are formed in the connecting rod 22, the connecting shafts 23 are rotatably arranged in the two connecting holes, the two connecting shafts 23 are respectively and fixedly arranged on the pressing block 18 and the clamping rod 20, and when the connecting rod 22 moves, the connecting rod 22 rotates on the two connecting shafts 23 through the two connecting holes.
In the invention, two limiting holes 16 are formed in the pressure plate 15, limiting rods 17 are movably arranged in the two limiting holes 16, the two limiting rods 17 are fixedly arranged on the inner wall of the mounting cavity 13, and the pressure plate 15 vertically slides on the two limiting rods 17 through the two limiting holes 16.
In the invention, a plurality of clamping grooves 21 are arranged on the inner walls of two sides of the sliding groove 5 at equal intervals, the ends of the two clamping rods 20, which are far away from each other, extend into the two clamping grooves 21 respectively, and the two clamping rods 20 clamp the two clamping grooves 21, so that the sliding block 6 can be conveniently fixed in the sliding groove 5.
According to the invention, the splicing rod 1 is provided with the mounting groove 9, the bolt 11 is movably mounted in the mounting groove 9, the bolt 11 is provided with the cross groove 24, the inner wall of the mounting groove 9 is provided with the communicating hole 10, one end of the bolt 11 penetrates through the communicating hole 10, and after the bolt 11 is installed in the mounting groove 9 in a threaded manner, the bolt 11 can be effectively prevented from protruding.
In the invention, the inserting block 8 is provided with a thread groove 12, one end of the bolt 11 is arranged in the thread groove 12 in a threaded manner, and the bolt 11 is arranged in the thread groove 12 in a threaded manner, so that two adjacent splicing rods 1 can be fixed together.
The working principle of the invention is as follows:
when spine repair is carried out, the splicing length of the splicing rods 1 can be determined as required, the splicing rods 1 of the number can be sequentially spliced as required, so that the splicing block 8 on one splicing rod 1 is inserted into the splicing groove 7 on one adjacent splicing rod 1, then the bolt 11 is inserted into the communicating hole 10, and a cross screwdriver is used for being inserted into the cross groove 24, then the bolt 11 is screwed, so that the threads of the bolt are installed in the thread groove 12, a plurality of splicing rods 1 can be fixed together, then the required number of sliding blocks 6 are sequentially inserted into the sliding groove 5, and the distance between the sliding blocks 6 is adjusted as required, at the moment, a plurality of threaded rods 2 are respectively and threadedly installed in the threaded holes 14, so that the threaded rods 2 can press the pressing plates 15 to move, the pressing plates 15 vertically move on the two limiting rods 17 through the two limiting holes 16, so that the pressing plates 15 vertically move, and drive the two pressing blocks 18 to move, the two pressing blocks 18 move through the two connecting rods 22 to drive the two clamping rods 20 to move, so that the ends, which are far away from each other, are respectively inserted into the corresponding two clamping grooves 21, so that the positions of the sliding blocks 6 are fixed, and the fused position 4 is fixed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a simple and easy backbone revision art fuses subassembly, includes a plurality of splice bars (1), all is equipped with threaded rod (2) on a plurality of splice bars (1), installs on threaded rod (2) and connects (3), installs on connecting (3) and fuses stick (4), its characterized in that: all seted up spout (5) on a plurality of splice bar (1), movable mounting has slider (6) in spout (5), and threaded rod (2) movable mounting has all been seted up inserting groove (7) on a plurality of splice bar (1) on slider (6), and equal fixed mounting has inserting piece (8) in a plurality of inserting groove (7), and inserting piece (8) are pegged graft in adjacent inserting groove (7).
2. The straightforward revision spine fusion assembly of claim 1, wherein: the sliding block (6) is provided with a mounting cavity (13), the inner wall of one side of the mounting cavity (13) is provided with a threaded hole (14), and the threaded rod (2) is installed in the threaded hole (14) in a threaded mode.
3. The straightforward spinal revision fusion kit of claim 2, wherein: be equipped with clamp plate (15) in installation cavity (13), the one end and clamp plate (15) of threaded rod (2) contact, fixed mounting has two briquetting (18) on clamp plate (15), all rotates on two briquetting (18) and installs connecting rod (22), all rotates on two connecting rod (22) and installs kelly (20), all seted up slide opening (19) on the both sides inner wall of installation cavity (13), two slide opening (19) are run through respectively to the one end that two kellies (20) kept away from each other.
4. The straightforward revision spine fusion assembly of claim 3, wherein: two connecting holes are formed in the connecting rod (22), connecting shafts (23) are rotatably mounted in the two connecting holes, and the two connecting shafts (23) are fixedly mounted on the pressing block (18) and the clamping rod (20) respectively.
5. The straightforward spinal revision fusion kit of claim 3, wherein: two limiting holes (16) are formed in the pressing plate (15), limiting rods (17) are movably mounted in the two limiting holes (16), and the two limiting rods (17) are fixedly mounted on the inner wall of the mounting cavity (13).
6. The straightforward revision spine fusion assembly of claim 3, wherein: a plurality of clamping grooves (21) are formed in the inner walls of the two sides of the sliding groove (5) at equal intervals, and one ends, far away from each other, of the two clamping rods (20) extend into the two clamping grooves (21) respectively.
7. The straightforward revision spine fusion assembly of claim 1, wherein: the splicing rod (1) is provided with a mounting groove (9), a bolt (11) is movably mounted in the mounting groove (9), a cross groove (24) is formed in the bolt (11), a communicating hole (10) is formed in the inner wall of the mounting groove (9), and one end of the bolt (11) penetrates through the communicating hole (10).
8. The straightforward revision spine fusion assembly of claim 7, wherein: the plug-in block (8) is provided with a thread groove (12), and one end of the bolt (11) is installed in the thread groove (12) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865719.7A CN111938796B (en) | 2020-08-25 | 2020-08-25 | Simple spinal column revision fusion assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010865719.7A CN111938796B (en) | 2020-08-25 | 2020-08-25 | Simple spinal column revision fusion assembly |
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| Publication Number | Publication Date |
|---|---|
| CN111938796A CN111938796A (en) | 2020-11-17 |
| CN111938796B true CN111938796B (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010865719.7A Active CN111938796B (en) | 2020-08-25 | 2020-08-25 | Simple spinal column revision fusion assembly |
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| CN (1) | CN111938796B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2365899A1 (en) * | 1999-04-23 | 2000-11-02 | Sdgi Holdings, Inc. | Tethering device for fusionless spinal deformity correction |
| CN103800101A (en) * | 2014-02-28 | 2014-05-21 | 西安交通大学 | Dislocation prevention type non-fusion artificial cervical vertebra and intervertebral disc system |
| CN105055007A (en) * | 2015-08-31 | 2015-11-18 | 中国人民解放军第四军医大学 | Posterior spine fixing device |
| CN204931904U (en) * | 2015-09-22 | 2016-01-06 | 浙江科惠医疗器械股份有限公司 | The rotating large volume fusion device of a kind of multi-joint |
| CN205339099U (en) * | 2016-01-13 | 2016-06-29 | 张扬 | Adjustable quick detach formula backbone fixing device |
| CN205359605U (en) * | 2016-02-05 | 2016-07-06 | 中国人民解放军南京军区南京总医院 | Can rebuild pedicle of vertebral arch screw |
| CN208958418U (en) * | 2018-07-31 | 2019-06-11 | 杭州鸿立生物医疗科技有限公司 | A kind of spliced lumbar intervertebral fusion device |
| WO2020033870A1 (en) * | 2018-08-09 | 2020-02-13 | Orthopediatrics Corp. | Apparatus and methods for modular and spooled vertebral anchors |
| CN210990655U (en) * | 2019-06-21 | 2020-07-14 | 兰州大学第一医院 | Emergency department vertebra fixing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160270903A1 (en) * | 2015-03-18 | 2016-09-22 | Arthrex, Inc. | System and method for spine ligament reconstruction |
-
2020
- 2020-08-25 CN CN202010865719.7A patent/CN111938796B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2365899A1 (en) * | 1999-04-23 | 2000-11-02 | Sdgi Holdings, Inc. | Tethering device for fusionless spinal deformity correction |
| CN103800101A (en) * | 2014-02-28 | 2014-05-21 | 西安交通大学 | Dislocation prevention type non-fusion artificial cervical vertebra and intervertebral disc system |
| CN105055007A (en) * | 2015-08-31 | 2015-11-18 | 中国人民解放军第四军医大学 | Posterior spine fixing device |
| CN204931904U (en) * | 2015-09-22 | 2016-01-06 | 浙江科惠医疗器械股份有限公司 | The rotating large volume fusion device of a kind of multi-joint |
| CN205339099U (en) * | 2016-01-13 | 2016-06-29 | 张扬 | Adjustable quick detach formula backbone fixing device |
| CN205359605U (en) * | 2016-02-05 | 2016-07-06 | 中国人民解放军南京军区南京总医院 | Can rebuild pedicle of vertebral arch screw |
| CN208958418U (en) * | 2018-07-31 | 2019-06-11 | 杭州鸿立生物医疗科技有限公司 | A kind of spliced lumbar intervertebral fusion device |
| WO2020033870A1 (en) * | 2018-08-09 | 2020-02-13 | Orthopediatrics Corp. | Apparatus and methods for modular and spooled vertebral anchors |
| CN210990655U (en) * | 2019-06-21 | 2020-07-14 | 兰州大学第一医院 | Emergency department vertebra fixing device |
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| CN111938796A (en) | 2020-11-17 |
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