CN214857370U - Corrector for posterior spinal nail placement operation - Google Patents
Corrector for posterior spinal nail placement operation Download PDFInfo
- Publication number
- CN214857370U CN214857370U CN202120347940.3U CN202120347940U CN214857370U CN 214857370 U CN214857370 U CN 214857370U CN 202120347940 U CN202120347940 U CN 202120347940U CN 214857370 U CN214857370 U CN 214857370U
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- CN
- China
- Prior art keywords
- spinous process
- splint
- nail
- rod
- probe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000000034 method Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000523 sample Substances 0.000 abstract description 20
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000001356 surgical procedure Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 206010027476 Metastases Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- 208000005198 spinal stenosis Diseases 0.000 description 1
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model discloses a corrector of nail operation is put to way of escape backbone, including spinous process fixture, slide bar, slider, the slide bar is L font structure, and the slide bar middle part is articulated with spinous process fixture upper portion, slider and slide bar sliding connection, spinous process fixture upper portion is equipped with the sector plate, and the sector plate is located the slide bar both sides, and is equipped with the arc wall on the sector plate, and slide bar one end is equipped with the screw rod, and the screw rod stretches out from the arc wall to be connected with the sector plate through lock nut A, be equipped with the position circle on the slider, the position circle is C font structure, and position circle one side is connected with slider one side through the pivot. The utility model discloses a spinous process fixture fixes on the spinous process, and after the nail way was confirmed to the probe, can fix the position of spilling over of probe through the position circle to after extracting the probe, built-in nail alright in inserting the probe from the position circle, make the angle of insertion of built-in nail the same with the angle of probe, improve the precision of putting the nail operation.
Description
Technical Field
The utility model belongs to the field of medical equipment, especially, relate to a corrector of nail operation is put to way of escape backbone.
Background
The pedicle screw technology has been developed rapidly since the 80 s of the last century, and has been widely applied to the surgical treatment of diseases such as spinal degeneration, vertebral body slippage, spinal stenosis, vertebral body fracture, deformity, bone metastasis, spinal instability and the like. At present, a pedicle screw is one of the most widely applied internal fixation instruments in spinal surgery, but in actual operation, the positioning of a posterior spinal nail placing operation depends on an X-ray machine, the operation in the operation needs repeated perspective and adjustment, a doctor needs to fix a preset nail path through a metal probe and then place a nail, after the metal probe is pulled out, the doctor can only place the nail according to feeling and experience, so that the nail placing angle is different from the preset angle of the probe, the accuracy of the nail placing is influenced, and therefore a corrector for the posterior spinal nail placing operation is needed, the nail can be accurately placed after the nail path is determined by the probe, and the precision of the nail placing is improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a corrector for the posterior spine nail placing operation, which can solve the problem of low precision of the nail placing in the prior art.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of corrector of nail operation is put to way of escape backbone, including spinous process fixture, slide bar, slider, the slide bar is L font structure, and the slide bar middle part is articulated with spinous process fixture upper portion, slider and slide bar sliding connection, spinous process fixture upper portion is equipped with the sector plate, and the sector plate is located the slide bar both sides, and is equipped with the arc wall on the sector plate, and slide bar one end is equipped with the screw rod, and the screw rod stretches out from the arc wall to be connected with the sector plate through lock nut A, be equipped with the position circle on the slider, the position circle is C font structure, and position circle one side is connected with slider one side through the pivot.
The upper part of the sliding rod is provided with a plurality of pits which are distributed at intervals, steel balls are arranged in the upper part of the sliding block, the upper parts of the steel balls are connected with the sliding block through springs, and the lower parts of the steel balls are clamped in the pits.
The spinous process clamping mechanism comprises a clamping plate A and a clamping plate B, the upper portion of the clamping plate A is hinged to one side of the clamping plate B, a pull rod is hinged to the clamping plate A, and one end of the pull rod penetrates through the clamping plate B and is connected with the clamping plate B through a locking nut B.
The pull rod is sleeved with a spring.
One side of the sliding block is provided with a threaded hole, and a locking nut C is arranged in the threaded hole.
The splint A and the splint B are provided with soft pads.
The beneficial effects of the utility model reside in that: the spinous process clamping mechanism is fixed on the spinous process, after the probe determines the nail channel, the overflowing position of the probe can be fixed through the positioning ring, so that after the probe is pulled out, the built-in nail can be inserted into the probe from the positioning ring, the inserting angle of the built-in nail is the same as that of the probe, and the precision of nail placing operation is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a slider configuration;
fig. 3 is a top view of the present invention;
fig. 4 is a schematic view of the present invention secured to spinous processes;
in the figure: 1-spinous process clamping mechanism, 2-sliding rod, 3-sliding block, 4-sector plate, 5-arc groove, 6-screw rod, 7-locking nut A, 8-positioning ring, 9-pit, 10-steel ball, 11-clamping plate A, 12-clamping plate B, 13-pull rod, 14-locking nut B, 15-spring and 16-locking nut C.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, fig. 2, fig. 3, and fig. 4, a corrector for posterior spine nail placement surgery comprises a spinous process clamping mechanism 1, a sliding rod 2, and a sliding block 3, wherein the sliding rod 2 is of an L-shaped structure, the middle part of the sliding rod 2 is hinged to the upper part of the spinous process clamping mechanism 1, the sliding block 3 is in sliding connection with the sliding rod 2, a sector plate 4 is arranged on the upper part of the spinous process clamping mechanism 1, the sector plate 4 is located on two sides of the sliding rod 2, an arc-shaped groove 5 is arranged on the sector plate 4, a screw rod 6 is arranged at one end of the sliding rod 2, the screw rod 6 extends out of the arc-shaped groove 5 and is connected with the sector plate 4 through a lock nut a7, a positioning ring 8 is arranged on the sliding block 3, the positioning ring 8 is of a C-shaped structure, and one side of the positioning ring 8 is connected with one side of the sliding block 3 through a rotating shaft.
During operation, the probe is inserted into a spine, the angle of a nail channel is determined, then the spinous process clamping mechanism 1 is clamped on the spinous process, the angle and the position of the sliding rod 2 and the sliding block 3 are adjusted, so that the positioning ring 8 on the sliding block 3 can be sleeved on the probe, then the locking nut A7 and the locking nut C16 are screwed, then the probe is pulled out, when the nail is placed, the built-in nail penetrates through the positioning ring 8 and is inserted into the spine from the position where the probe is inserted, according to the principle that two points determine a line, the angle where the built-in nail is inserted is the same as the angle where the probe is inserted, and the precision of the built-in nail is improved.
The upper portion of the sliding rod 2 is provided with a plurality of pits 9 distributed at intervals, steel balls 10 are arranged in the upper portion of the sliding block 3, the upper portion of each steel ball 10 is connected with the sliding block 3 through a spring, and the lower portion of each steel ball 10 is clamped in the corresponding pit 9, so that when the sliding block 3 slides, paragraph feeling is formed through the steel balls 10 and the pits 9, and the sliding block 3 can slide accurately.
The spinous process clamping mechanism 1 comprises a clamping plate A11 and a clamping plate B12, the upper part of the clamping plate A11 is hinged with one side of the clamping plate B12, a pull rod 13 is hinged to the clamping plate A11, one end of the pull rod 13 penetrates through the clamping plate B12 and is connected with the clamping plate B12 through a locking nut B14, and the pull rod 13 is tightened through the locking nut B14, so that the clamping plate A11 and the clamping plate B12 can be clamped on the spinous process and can position a probe.
The pull rod 13 is externally provided with a spring 15 which can open the clamping plate A11 and the clamping plate B12 after the locking nut B14 is loosened.
One side of the sliding block 3 is provided with a threaded hole, a locking nut C16 is arranged in the threaded hole, and the sliding block 3 can be locked after the locking nut C16 is screwed down.
The splints A11 and B12 are provided with soft pads, so that the spinous process clamping mechanism 1 can be better clamped on the spinous process.
Claims (6)
1. The utility model provides an unscrambler of way of escape backbone nail setting operation which characterized in that: the spinous process clamping mechanism comprises a spinous process clamping mechanism (1), a sliding rod (2) and a sliding block (3), wherein the sliding rod (2) is of an L-shaped structure, the middle part of the sliding rod (2) is hinged with the upper part of the spinous process clamping mechanism (1), and the sliding block (3) is connected with the sliding rod (2) in a sliding manner; the upper part of the spinous process clamping mechanism (1) is provided with a fan-shaped plate (4), the fan-shaped plate (4) is positioned on two sides of the sliding rod (2), an arc-shaped groove (5) is formed in the fan-shaped plate (4), one end of the sliding rod (2) is provided with a screw rod (6), and the screw rod (6) extends out of the arc-shaped groove (5) and is connected with the fan-shaped plate (4) through a locking nut A (7); be equipped with position circle (8) on slider (3), position circle (8) are C font structure, and position circle (8) one side is connected through pivot and slider (3) one side.
2. The orthosis of claim 1 for a posterior spinal screw procedure, further comprising: the upper portion of the sliding rod (2) is provided with a plurality of pits (9) distributed at intervals, steel balls (10) are arranged in the upper portion of the sliding block (3), the upper portions of the steel balls (10) are connected with the sliding block (3) through springs, and the lower portions of the steel balls (10) are clamped in the pits (9).
3. The orthosis of claim 1 for a posterior spinal screw procedure, further comprising: spinous process fixture (1) is including splint A (11) and splint B (12), and splint A (11) upper portion is articulated with splint B (12) one side, and articulated on splint A (11) have pull rod (13), and pull rod (13) one end is passed from splint B (12) to be connected with splint B (12) through lock nut B (14).
4. The orthosis of claim 3, wherein: and a spring (15) is sleeved outside the pull rod (13).
5. The orthosis of claim 1 for a posterior spinal screw procedure, further comprising: and one side of the sliding block (3) is provided with a threaded hole, and a locking nut C (16) is arranged in the threaded hole.
6. The orthosis of claim 3, wherein: soft pads are arranged on the splint A (11) and the splint B (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120347940.3U CN214857370U (en) | 2021-02-07 | 2021-02-07 | Corrector for posterior spinal nail placement operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120347940.3U CN214857370U (en) | 2021-02-07 | 2021-02-07 | Corrector for posterior spinal nail placement operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214857370U true CN214857370U (en) | 2021-11-26 |
Family
ID=78858251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120347940.3U Expired - Fee Related CN214857370U (en) | 2021-02-07 | 2021-02-07 | Corrector for posterior spinal nail placement operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214857370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117503385A (en) * | 2023-11-30 | 2024-02-06 | 北京维卓致远医疗科技发展有限责任公司 | Tracer installation device for intra-operative navigation |
-
2021
- 2021-02-07 CN CN202120347940.3U patent/CN214857370U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117503385A (en) * | 2023-11-30 | 2024-02-06 | 北京维卓致远医疗科技发展有限责任公司 | Tracer installation device for intra-operative navigation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |