CN208823064U - A kind of universal upper nail tool of zero incisura cervical vertebral fusion cage - Google Patents
A kind of universal upper nail tool of zero incisura cervical vertebral fusion cage Download PDFInfo
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- CN208823064U CN208823064U CN201820442183.6U CN201820442183U CN208823064U CN 208823064 U CN208823064 U CN 208823064U CN 201820442183 U CN201820442183 U CN 201820442183U CN 208823064 U CN208823064 U CN 208823064U
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- upper nail
- pinhole
- fusion cage
- cervical vertebral
- universal
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Abstract
The utility model relates to a kind of universal upper nail tools of zero incisura cervical vertebral fusion cage, including upper crow-bar, upper crow-bar includes drive rod and hexagonal bottle opener, the outside of hexagonal bottle opener is equipped with outer tube, the rear end of outer tube is equipped with retaining ring one, and the rear end of hexagonal bottle opener is equipped with pinhole one, the end of drive rod is equipped with pinhole two, and pinhole one and pinhole two are connect with universal piece.The utility model is able to solve in surgical procedure the problem of interfering when following closely on fusion device with patient body position, and fusion device reliable and stable cannot be fixed between centrum or more soleplate.
Description
Technical field
The utility model relates to a kind of universal upper nail tools of zero incisura cervical vertebral fusion cage, are used for zero incisura cervical vertebral fusion cage
Upper nail, belong to the technical field of medical instrument.
Background technique
Anterior cervical vertebrae intervertebral cut off decompression and fusion be cervical vertebra surgery routine operation, because its operation wound it is small, it is highly-safe,
Effect is good, it has also become treats the mature operation of cervical spondylosis.In recent years, zero incisura cervical vertebral fusion cage is clinically generally approved, is wide
General application.Zero incisura cervical vertebral fusion cage is the improvement to traditional fusion product, solves the complication of early stage postoperative dysphagia,
It reduces postoperative neighbouring section and the probability of regression occurs, to reach treatment backbone disease damage, eliminate pain, prevent deformity, rebuild ridge
The purpose of column stability and protection spinal nerve.
Since nail direction edge fusion body plane included angle is 45 ° in the matched two pieces of lockings of fusion device, so performing the operation
General upper nail tool can interfere during upper nail with patient's lower jaw in process, cause surgical procedure difficult.
Based on this, proposing the utility model.
Utility model content
For the above-mentioned technical problem of the prior art, the purpose of the utility model is to provide a kind of surgical procedure time
Short, structure is simple, safe operation, accurate positioning zero incisura cervical vertebral fusion cage universal upper nail tool.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions:
A kind of universal upper nail tool of zero incisura cervical vertebral fusion cage, including upper crow-bar, the upper crow-bar include passing
Lever and hexagonal bottle opener, the outside of the hexagonal bottle opener are equipped with outer tube, and the rear end of the outer tube is equipped with retaining ring one, and six
The rear end of angle bottle opener is equipped with pinhole one, and the end of the drive rod is equipped with pinhole two, the pinhole one and pinhole two
It is connect with universal piece.
The universal upper nail tool of the zero incisura cervical vertebral fusion cage, further includes hoist bed, and the hoist bed includes support rod,
The support rod is connected with guider, and support rod is equipped with retaining ring two, in use, the outer tube and guider connect
It connects, limits outer tube rotation by one fixed guider direction of retaining ring, and by retaining ring two.
The retaining ring one is equipped with external screw thread, and the outer tube is fixed on the guides by external screw thread rotation.
The support rod and guider is to be threadedly coupled.
The drive rod is equipped with handle one.
The support rod is equipped with handle two.
The beneficial effects of the utility model are as follows:
The universal upper nail tool of zero incisura cervical vertebral fusion cage of the utility model, is able to solve in surgical procedure and follows closely on fusion device
When the problem of being interfered with patient body position, fusion device reliable and stable cannot be fixed on centrum up and down between soleplate.Reduce operation
Interference between instrument and patient in the process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is a kind of steering tool structural schematic diagram of the utility model；
Fig. 3 is a kind of kind of drive schematic diagram of the utility model；
Fig. 4 is the head primary structure enlarged diagram of the utility model；
Fig. 5 is the structural schematic diagram for merging body；
Fig. 6 is the side structure schematic view of Fig. 5；
Fig. 7 is the exploded front structural schematic diagram of fusion device；
Fig. 8 is the side structure schematic view of fusion device；
Fig. 9 is the integral installation distribution structure schematic diagram of fusion device；
Figure 10 sets pin structure schematic diagram for fusion device；
Figure 11 sets pin structure schematic top plan view for fusion device；
Figure 12 is the structural schematic diagram that the utility model and fusion device are used cooperatively；
Figure 13 is the use state diagram of the utility model.
Wherein: 1 be fusion body, 11 be limited block, 12 be fusion device tooth, 13 be card slot, 14 be screw pilot hole, 15 plant
Bone slot；
2 be lock screw；
3 it is sliding shoe, 31 be T-type limited block, 32 is T-block；
4 it is transmission screw, 41 be shank of screw, 42 is the head of a nail, 43 cross recesses；
5 be upper crow-bar, 51 be outer tube, 52 be hexagonal bottle opener, 53 be handle one, 54 be drive rod, 55 retaining rings
One, 56 be universal piece, 57 be pinhole one, 58 be pinhole two
6 it is hoist bed, 61 be guider, 62 be retaining ring two, 63 be handle two, 64 is support rod；
7 be development needle；
8 be centrum.
Specific embodiment
The utility model is further described combined with specific embodiments below, but the protection scope of the utility model is simultaneously
It is without being limited thereto.
As shown in Figs 1-4, the universal upper nail tool of zero incisura cervical vertebral fusion cage of the utility model, including drive rod 54 and six
52 two, angle bottle opener match, and the rear end of hexagonal bottle opener 52 is equipped with pinhole 1, and hexagonal bottle opener 52 can be inserted into transmission screw 4
In cross recess 43,54 rear end of drive rod is equipped with pinhole 2 58, pinhole 2 58 and universal piece of 56 axis connections, after hexagonal bottle opener 52
Hold pinhole 1 equally with universal piece of 56 axis connections.Drive rod 54 is hinged by shaft, is convenient to use, above-mentioned knot
Structure is after with 40 ° of horizontal sextant angle, moreover it is possible to realize the fixed work of the installation of fusion device.In addition, 52 outer end of hexagonal bottle opener includes one
Outer tube 51, doctor operates for convenience at the time of surgery, and the rear end of outer tube 51 is equipped with a retaining ring 1, outer tube 51
It is screwed, is fixed on guider 61 by the screw thread of retaining ring 1.When screwing retaining ring 1, guider 61 is fixation side
To facilitating the use of doctor during surgery.Universal upper nail tool is also equipped with guiding hoist bed 6, which includes guider 61
With support rod 64, support rod 64 can support fixed jacket pipe 51, when threaded rod screws to the right, pass through retaining ring 2 62, limit
Outer tube 51 processed rotates；Meanwhile support rod 64 is threadedly coupled with guider 61, guider 61 is used as guiding device, setting tool
Behind upper nail position, facilitate surgical operation.
The utility model is mainly used for constant zero incisura cervical vertebral fusion cage, and as shown in Figure 11-Figure 5, which includes fusion
Body 1, development needle 7, sliding shoe 3, transmission screw 4 and lock screw 2 form.Development needle 7 built in body 1 is merged, body 1 is merged
Limited block 11 is arranged in front and back leading edge, and fusion 1 leading edge end face of body is equipped with card slot 13, and card slot 13 is T-type, and centre is equipped with screw thread
Hole, 13 both ends of card slot are upper nail channel, and transmission screw 4 is located in threaded hole, and the T-block 32 in sliding shoe 3 is located at upper nail channel
It is interior.
Each fusion device includes two sliding shoes 3 and a transmission screw 4, and sliding shoe 3, which is positive, is considered as T-type structure,
Side view is 7 type structures, and comprising T-block 32 and T-type limited block 31, T-block 32 is slidably connected with the card slot 13 for merging body 1, T-type
Limited block 31 limits lock screw 2 and retreats.It is driven screw 4 and passes through oval 42 rotation forces sliding shoe 3 of head of a nail generation displacement, pass
Dynamic screw 4 is connect with the threaded hole in card slot 13, and palpus riveted prevents it from exiting after transmission screw 4 is assembled to fusion body 1, the head of a nail
42 head has cross recess 43.The fusion device tooth 12 of fusion 2 upper and lower surface of body setting is all made of anti-down sawtooth, every group of pawl
It is all made of identical tooth form.Through-hole at 1 side of body setting three is merged, is matched with development needle 15, development needle 15 is column knot
Structure is assembled with body 1 is merged；The U-shaped bone grafting slot 16 that the bone grafting slot 16 among body 1 is the back gauges such as surrounding is merged, body 1 is merged
Top is arc-shaped approximate vertebral body structure, and the upper nail channel for merging 1 top of body is variable-angle channel.
As shown in Figures 12 and 13, in use, fusion device merges body by the universal upper nail tool locking of the utility model
Card slot 13 in 1 is connected and limits with the T-type limited block 31 in sliding shoe 3, by squeezing into the threaded hole in fusion body 1
It is driven screw 4, ellipse of revolution staple cap 42 is mobile to both sides with sliding shoe 3, to limit screw by T-type limited block 31.Separately
On the one hand, the use of limited block 11, avoiding in fusion body 1 excessively implantation about 8 soleplate of centrum leads to secondary damage.In order to
Reach and stabilization is similarly installed with Interal fixation, is respectively arranged with arc-shaped limit block 11 and same in fusion 1 top two sides of body
Layer is equipped with lock screw 2, prevents the slide displacement of fusion device.In addition it in actual operation, is mounted between cervical vertebra or more soleplate
Fusion body 1 may be displaced, so in order to avoid such case, be provided with pawl serrated face 12.
To sum up, the utility model is able to solve in surgical procedure when following closely on fusion device and asks with what patient body position interfered
Topic, fusion device reliable and stable cannot be fixed between centrum or more soleplate.Therefore, the utility model effectively overcomes in the prior art
Some practical problems, thus have very high utility value and use meaning.
Above-described embodiment is only used for illustrating the inventive concept of the utility model, rather than to the utility model rights protection
Restriction, all non-essential modifications to the present invention made by this concept should all fall into the protection model of the utility model
It encloses.
Claims (6)
1. a kind of universal upper nail tool of zero incisura cervical vertebral fusion cage, it is characterised in that: including upper crow-bar, the upper nail is risen
Attached bag includes drive rod and hexagonal bottle opener, and the outside of the hexagonal bottle opener is equipped with outer tube, and the rear end of the outer tube is equipped with locking
Ring one, and the rear end of hexagonal bottle opener is equipped with pinhole one, the end of the drive rod is equipped with pinhole two, one He of pinhole
Pinhole two is connect with universal piece.
2. the universal upper nail tool of zero incisura cervical vertebral fusion cage as described in claim 1, it is characterised in that: including hoist bed, institute
Stating hoist bed includes support rod, and the support rod is connected with guider, and support rod is equipped with retaining ring two, in use, described
Outer tube connect with guider, by one fixed guider direction of retaining ring, and by retaining ring two limit outer tube rotation.
3. the universal upper nail tool of zero incisura cervical vertebral fusion cage as claimed in claim 2, it is characterised in that: the retaining ring one
Equipped with external screw thread, the outer tube is fixed on the guides by external screw thread rotation.
4. the universal upper nail tool of zero incisura cervical vertebral fusion cage as claimed in claim 2, it is characterised in that: the support rod and
Guider is to be threadedly coupled.
5. the universal upper nail tool of zero incisura cervical vertebral fusion cage as described in claim 1, it is characterised in that: the drive rod is set
There is handle one.
6. the universal upper nail tool of zero incisura cervical vertebral fusion cage as claimed in claim 2, it is characterised in that: the support rod is set
There is handle two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820442183.6U CN208823064U (en) | 2018-03-30 | 2018-03-30 | A kind of universal upper nail tool of zero incisura cervical vertebral fusion cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820442183.6U CN208823064U (en) | 2018-03-30 | 2018-03-30 | A kind of universal upper nail tool of zero incisura cervical vertebral fusion cage |
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| CN208823064U true CN208823064U (en) | 2019-05-07 |
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| CN201820442183.6U Active CN208823064U (en) | 2018-03-30 | 2018-03-30 | A kind of universal upper nail tool of zero incisura cervical vertebral fusion cage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113730048A (en) * | 2020-05-29 | 2021-12-03 | 北京市富乐科技开发有限公司 | Fuse ware and hold and get device |
| CN115317116A (en) * | 2022-08-30 | 2022-11-11 | 四川大学华西医院 | Universal screwdriver with torque display function |
| US11779378B2 (en) | 2019-01-11 | 2023-10-10 | Medcom Advisors, Llc | Self-aligning plating system and method |
-
2018
- 2018-03-30 CN CN201820442183.6U patent/CN208823064U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11779378B2 (en) | 2019-01-11 | 2023-10-10 | Medcom Advisors, Llc | Self-aligning plating system and method |
| CN113730048A (en) * | 2020-05-29 | 2021-12-03 | 北京市富乐科技开发有限公司 | Fuse ware and hold and get device |
| CN115317116A (en) * | 2022-08-30 | 2022-11-11 | 四川大学华西医院 | Universal screwdriver with torque display function |
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