CN217186379U - Novel spinal posterior internal fixation nail rod system - Google Patents
Novel spinal posterior internal fixation nail rod system Download PDFInfo
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- CN217186379U CN217186379U CN202220012932.8U CN202220012932U CN217186379U CN 217186379 U CN217186379 U CN 217186379U CN 202220012932 U CN202220012932 U CN 202220012932U CN 217186379 U CN217186379 U CN 217186379U
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Abstract
The embodiment of the utility model discloses novel excellent system of spinal posterior internal fixation nail, concretely relates to excellent system of fixation nail field, including the pedicle of vertebral arch nail, the top of pedicle of vertebral arch nail is provided with the head of a nail, the inside of head of a nail is provided with the connecting rod, the top of head of a nail is provided with the bolt. The utility model discloses a set up the pedicle of vertebral arch nail, the head of a nail, connecting block and bolt, when the head of a nail appears damaging in the installation, need use the gag lever post of electro-magnet second side inslot to take out, then take out the bolt of opposite side, take off the head of a nail that will damage after that, when installing new head of a nail, detain the kerve of bottom on the connecting block, the first side groove of through-hole and the second side groove that make the connecting block correspond, insert the bolt from first side groove after that, enter into the through-hole of connecting block, then insert the gag lever post from the second side groove, and the one end of bolt is provided with the magnetic path, with gag lever post and bolt connection through magnetic force, thereby fix the head of a nail, conveniently continue to install the pedicle of vertebral arch nail.
Description
Technical Field
The embodiment of the utility model provides a relate to excellent system field of staple, concretely relates to novel excellent system of staple in way of escape of backbone.
Background
The posterior pedicle screw-rod system of the spine is a common means for treating various diseases of the spine in the spinal surgery. The pedicle screw and rod system is composed of a pedicle screw, an orthopedic rod and a locker.
The prior art has the following defects: the existing screw and the screw cap are of an integrated structure, and can only be integrally replaced when being damaged, and when the screw cap is damaged in the installation process, the screw is inconvenient to take out, so that the screw is troublesome.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a novel spinal column way of escape internal fixation nail stick system, through the pedicle of vertebral arch nail, the nail cap, connecting block and bolt, when the damage appears in the nail cap in the installation, need use the gag lever post of electro-magnet second side inslot to take out, then take out the bolt of opposite side, then take off the nail cap that will damage, when installing new nail cap, detain the kerve of bottom on the connecting block, make the first side groove of through-hole and the second side groove of connecting block correspond, insert the bolt from first side groove after that, enter into in the through-hole of connecting block, then insert the gag lever post from the second side groove, and the one end of bolt is provided with the magnetic path, with gag lever post and bolt connection through magnetic force, thereby fix the nail cap, conveniently continue to install the pedicle of vertebral arch nail.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the utility model provides a novel spinal column way of escape internal fixation nail stick system, includes the pedicle of vertebral arch nail, the top of pedicle of vertebral arch nail is provided with the head of a nail, the inside of head of a nail is provided with the connecting rod, the top of the head of a nail is provided with the bolt, the bottom and the head of a nail threaded connection of bolt, the surface of connecting rod is provided with the connector, logical groove has been seted up to the surface of head of a nail, the kerve has been seted up to the bottom of the head of a nail, first side channel has been seted up to inner wall one side of kerve, the second side channel has been seted up to the inner wall opposite side of kerve, the top fixed mounting of pedicle of vertebral arch nail has the connecting block.
Further, the connector comprises two sliders and a connecting band, the two ends of the connecting band are fixedly connected with the sliders, and the sliders are sleeved on the outer surface of the connecting rod.
Further, the top end of the sliding block is provided with a knob, and the knob is in threaded connection with the sliding block.
Further, one end of the connecting rod is matched with the through groove.
Further, the connecting block is matched with the bottom groove, and a through hole is formed in the outer surface of the connecting block.
Furthermore, a plug pin is inserted into the first side groove, and one end of the plug pin is matched with the through hole.
Furthermore, a limiting rod is inserted into the second side groove, the bolt is of a hollow structure, one end of the limiting rod is inserted into the bolt, and a magnetic block is fixedly mounted at one end of the limiting rod.
The embodiment of the utility model provides a have following advantage:
through setting up the pedicle of vertebral arch nail, the head of a nail, connecting block and bolt, when the head of a nail appears damaging in the installation, need use the gag lever post of electro-magnet second side inslot to take out, then take out the bolt of opposite side, take off the head of a nail that will damage after that, when installing new head of a nail, detain the kerve of bottom on the connecting block, make the first side groove of through-hole and the second side groove of connecting block correspond, insert the bolt from first side groove after that, enter into the through-hole of connecting block, then insert the gag lever post from second side groove, and the one end of bolt is provided with the magnetic path, with gag lever post and bolt connection through magnetic force, thereby fix the head of a nail, conveniently continue to install the pedicle of vertebral arch nail.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the connecting rod and connector of the present invention;
FIG. 3 is an exploded view of the pedicle screw of the present invention;
FIG. 4 is a cross-sectional view of the nail cap of the present invention;
fig. 5 is an exploded view of the nail cap of the present invention.
In the figure: 1. pedicle screws; 2. a nail cap; 3. a connecting rod; 4. a bolt; 5. a connector; 6. a knob; 7. a through groove; 8. a bottom groove; 9. a first side groove; 10. a second side groove; 11. connecting blocks; 12. a through hole; 13. a bolt; 14. a limiting rod.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached drawings 1-5 in the specification, the novel spine posterior internal fixation screw rod system comprises a pedicle screw 1, a screw cap 2 is arranged at the top end of the pedicle screw 1, a connecting rod 3 is arranged inside the screw cap 2, a bolt 4 is arranged at the top end of the screw cap 2, the bottom end of the bolt 4 is in threaded connection with the screw cap 2, a connector 5 is arranged on the outer surface of the connecting rod 3, a through groove 7 is formed in the outer surface of the screw cap 2, a bottom groove 8 is formed in the bottom end of the screw cap 2, a first side groove 9 is formed in one side of the inner wall of the bottom groove 8, a second side groove 10 is formed in the other side of the inner wall of the bottom groove 8, and a connecting block 11 is fixedly arranged at the top end of the pedicle screw 1.
Furthermore, the connector 5 is composed of two sliding blocks and a connecting band, two ends of the connecting band are fixedly connected with the sliding blocks, the sliding blocks are sleeved on the outer surface of the connecting rod 3, when the connector is installed, the pedicle screw 1 needs to be fixed on the position of the spine first, the connector 5 is connected with the connecting rods 14 on two sides, when the connector 5 is connected, the sliding blocks on two sides need to be sleeved on the connecting rod 3, the top ends of the sliding blocks are provided with knobs 6, the knobs 6 are in threaded connection with the sliding blocks, after the adjustment is finished, the knobs 6 on the top ends are rotated downwards, the surfaces of the connecting rods 3 are pressed through the top ends of the knobs 6, so that the connector 5 is fixed, one ends of the connecting rods 3 are matched with the through grooves 7, two ends of the connecting rods 3 are placed into the through grooves 7 on two sides of the screw cap 2, then the bolts 4 are placed into the top ends of the screw cap 2, and the connecting rods 3 in the screw cap 2 are fixed through the bolts 4, and finishing the installation.
Furthermore, the connecting block 11 is matched with the bottom groove 8, the outer surface of the connecting block 11 is provided with a through hole 12, when a new nail cap 2 is installed, the bottom groove 8 at the bottom end is buckled on the connecting block 11, the through hole 12 of the connecting block 11 corresponds to the first side groove 9 and the second side groove 10, a bolt 13 is inserted into the first side groove 9, one end of the bolt 13 is matched with the through hole 12, the bolt 13 is inserted into the through hole 12 of the connecting block 11 from the first side groove 9, then a limit rod 14 is inserted into the second side groove 10, one end of the limit rod 14 is inserted into the bolt 13, a limit rod 14 is inserted into the second side groove 10, the bolt 13 is of a hollow structure, one end of the limit rod 14 is inserted into the bolt 13, one end of the limit rod 14 is fixedly provided with a magnetic block, the limit rod 14 is connected with the bolt 13 through magnetic force, thereby fix nail cap 2, conveniently continue to install pedicle of vertebral arch nail 1.
The working principle is as follows: referring to the attached drawings 1-5 of the specification, when the pedicle screw 1 is installed, the pedicle screw 1 needs to be fixed at the position of the vertebral column, the connector 5 is connected with the connecting rods 14 at two sides, when the connection is carried out through the connector 5, the sliding blocks at two sides need to be sleeved on the connecting rods 3, the position is adjusted, after the adjustment is finished, the knob 6 at the top end is rotated downwards, the surface of the connecting rod 3 is pressed through the top end of the knob 6, so that the connector 5 is fixed, then the two ends of the connecting rod 3 are put into the through grooves 7 at two sides of the screw cap 2, then the bolt 4 is arranged at the top end of the screw cap 2, the screw cap 2 is in threaded connection with the bolt 4, the connecting rod 3 part in the screw cap 2 is fixed through the bolt 4, the installation is finished, in the process of fixing the pedicle screw 1, a tool needs to be inserted into the screw cap 2, the pedicle screw 1 is driven to rotate through the screw cap 2, so that the pedicle screw 1 is screwed into the vertebral column, when the screw cap 2 is damaged in the installation process, the limiting rod 14 in the second side groove 10 of the electromagnet needs to be taken out, then the bolt 13 on the other side is taken out, the limitation between the screw cap 2 and the connecting block 11 is removed, then the damaged screw cap 2 is taken down, when a new screw cap 2 is installed, the bottom groove 8 at the bottom end is buckled on the connecting block 11, the through hole 12 of the connecting block 11 is made to correspond to the first side groove 9 and the second side groove 10, then the bolt 13 is inserted into the through hole 12 of the connecting block 11 from the first side groove 9, then the limiting rod 14 is inserted into the second side groove 10, one end of the limiting rod 14 is inserted into the bolt 13, and one end of the bolt 13 is provided with a magnetic block, the limiting rod 14 is connected with the bolt 13 through magnetic force, so that the screw cap 2 is fixed, and the pedicle screw 1 is convenient to continue to install.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention without departing from the spirit thereof.
Claims (7)
1. The utility model provides a novel spinal posterior internal fixation nail stick system, includes pedicle of vertebral arch nail (1), its characterized in that: the top of pedicle of vertebral arch nail (1) is provided with nail cap (2), the inside of nail cap (2) is provided with connecting rod (3), the top of nail cap (2) is provided with bolt (4), the bottom and the nail cap (2) threaded connection of bolt (4), the surface of connecting rod (3) is provided with connector (5), logical groove (7) have been seted up to the surface of nail cap (2), kerve (8) have been seted up to the bottom of nail cap (2), first kerve (9) have been seted up to inner wall one side of kerve (8), second kerve (10) have been seted up to the inner wall opposite side of kerve (8), the top fixed mounting of pedicle of vertebral arch nail (1) has connecting block (11).
2. The novel posterior spinal fixation pin rod system according to claim 1, wherein: the connector (5) comprises two sliding blocks and a connecting band, the two ends of the connecting band are fixedly connected with the sliding blocks, and the sliding blocks are sleeved on the outer surface of the connecting rod (3).
3. The novel posterior spinal internal fixation pin rod system of claim 2, wherein: the top end of the sliding block is provided with a knob (6), and the knob (6) is in threaded connection with the sliding block.
4. The novel posterior spinal internal fixation pin rod system of claim 1, wherein: one end of the connecting rod (3) is matched with the through groove (7).
5. The novel posterior spinal internal fixation pin rod system of claim 1, wherein: the connecting block (11) is matched with the bottom groove (8), and a through hole (12) is formed in the outer surface of the connecting block (11).
6. The novel posterior spinal fixation pin rod system of claim 5, wherein: a plug pin (13) is inserted into the first side groove (9), and one end of the plug pin (13) is matched with the through hole (12).
7. The novel posterior spinal fixation pin rod system of claim 6, wherein: a limiting rod (14) is inserted into the second side groove (10), the bolt (13) is of a hollow structure, one end of the limiting rod (14) is inserted into the bolt (13), and a magnetic block is fixedly mounted at one end of the limiting rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220012932.8U CN217186379U (en) | 2022-01-05 | 2022-01-05 | Novel spinal posterior internal fixation nail rod system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220012932.8U CN217186379U (en) | 2022-01-05 | 2022-01-05 | Novel spinal posterior internal fixation nail rod system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217186379U true CN217186379U (en) | 2022-08-16 |
Family
ID=82789935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220012932.8U Active CN217186379U (en) | 2022-01-05 | 2022-01-05 | Novel spinal posterior internal fixation nail rod system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217186379U (en) |
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2022
- 2022-01-05 CN CN202220012932.8U patent/CN217186379U/en active Active
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