CN207886316U - A kind of novel Invasive lumbar fusion device - Google Patents
A kind of novel Invasive lumbar fusion device Download PDFInfo
- Publication number
- CN207886316U CN207886316U CN201720401450.0U CN201720401450U CN207886316U CN 207886316 U CN207886316 U CN 207886316U CN 201720401450 U CN201720401450 U CN 201720401450U CN 207886316 U CN207886316 U CN 207886316U
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- China
- Prior art keywords
- fusion device
- invasive lumbar
- device ontology
- fixed plate
- fixing screws
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Abstract
The utility model discloses a kind of novel Invasive lumbar fusion device, the Invasive lumbar fusion device includes fusion device ontology, fixed plate and fixing screws；The fusion device ontology has the inner cavity for accommodating bone grafting, and the upper and lower side of the fusion device ontology has the tooth socket for increasing frictional force；The fixed plate is connected to the lateral surface of the fusion device ontology, and the fixed plate has upper limb and bottom wing, and the upper limb and bottom wing are respectively equipped with and the matched through-hole of the fixing screws.The Invasive lumbar fusion device of the utility model is suitable for dypass implantation and uses, and it is easy to operate, do not increase can be achieved after operation wound, implantation it is effectively fixed.
Description
Technical field
The utility model is related to medical instruments field more particularly to a kind of novel Invasive lumbar fusion devices.
Background technology
Minimally invasive spine surgical is an extremely important treatment means for treating intervertebral disk retrogression lesion.Existing backbone
Minimally Invasive Surgery type is various, and wherein interbody fusion is with notch is small, wound is small, postoperative pain is few, the hospital stays is short, rehabilitation
The advantages that fast, can be implanted into Invasive lumbar fusion device using this interbody fusion in the intervertenral space of section vertebra above and below, can be effectively extensive
Multiple disc height and intervertebral pore volume are conducive to disperse load-bearing stress, reduce bone grafting pressure.
The fusion mode of the corresponding segment in the forward and backward road of traditional lumbar vertebrae, often causes higher complication rate, such as vertebra
Between bone grafting do not merge, it is interior it is fixed loosen, interior fixation closes on the regression of segment and accelerates.Lumbar vertebrae Far lateral approach interbody fusion
(extreme lateral interbodv fusion, XLIF) be occur in recent years through outside pass through spatia retroperitonaeale and waist
Big flesh reaches a kind of new minimally invasive lumbar intervertebral integration technology of lumbar vertebrae, compared with traditional lumbar surgery, the advantages of the technology
It is：(1) foundation of operation path does not need the assistance of department of general surgery doctor, without cavum peritoneale, avoids to big blood vessel and neuropile
Interference, thus greatly reduce the generation of complication；(2) minimally invasive learning curve is short, and operation can carry out under direct-view；(3) it cuts
Mouth is small, wound is small, postoperative pain is few, the hospital stays is short, rehabilitation is fast.
Due to the difference of surgical procedure, this field needs to develop the Invasive lumbar fusion device for adapting to lateral surgical.
Utility model content
In order to solve to lack in the prior art Invasive lumbar fusion device this technical problem used suitable for dypass implantation, this practicality
It is novel provide it is a kind of it is easy to operate, do not increase operation wound and effectively fixed novel Invasive lumbar fusion device can be achieved after being implanted into.
To achieve the above object, a kind of novel Invasive lumbar fusion device provided by the utility model, including fusion device ontology, fixation
Plate and fixing screws；
The fusion device ontology has the inner cavity for accommodating bone grafting, and the upper and lower side of the fusion device ontology has
Increase the tooth socket of frictional force；
The fixed plate is connected to the lateral surface of the fusion device ontology, and the fixed plate has upper limb and bottom wing, described
Upper limb and bottom wing are respectively equipped with and the matched through-hole of the fixing screws.In use, the fusion device ontology is implanted into up and down
After between centrum, the fixing screws are fixed on across the through-hole on upper hypocentrum.
Preferably, there is the groove of cooperation upside vertebral bone structure ring on the inside of the upper limb edge.
Preferably, there is the groove of cooperation downside vertebral bone structure ring on the inside of the bottom wing edge.
Preferably, the upper limb in the fixed plate and bottom wing are respectively provided with one and the matched through-hole of the fixing screws,
And the through-hole is arranged along the diagonal line of the fixed plate.
Preferably, the upper and lower side of the fusion device ontology is non-parallel setting.
Preferably, with 0 ° -15 ° of angle between the upper and lower side of the fusion device ontology.
It is highly preferred that with 3 ° -10 ° of angle between the upper and lower side of the fusion device ontology.
Most preferably, with 7.5 ° of angle between the upper and lower side of the fusion device ontology.
Preferably, the fixing screws are hollow screw.
Preferably, the fixing screws are locking nail or cortex nail.
The technique effect of the design of the utility model, concrete structure and generation is made furtherly below with reference to attached drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Description of the drawings
Fig. 1 is the overall schematic of a preferred embodiment of the utility model；
Fig. 2 is the partial structural diagram of a preferred embodiment of the utility model
Fig. 3 is the side structure schematic diagram of a preferred embodiment of the utility model；
Fig. 4 is the fixed plate structure schematic diagram of a preferred embodiment of the utility model；
Fig. 5 is the upper and lower side angle schematic diagram of fusion device ontology of a preferred embodiment of the utility model.
Specific implementation mode
Embodiment 1
As shown in Figure 1, 2, novel Invasive lumbar fusion device provided in this embodiment, including fusion device ontology 1, fixed plate 2 and solid
Determine screw 3；The fusion device ontology 1 has the inner cavity for accommodating bone grafting, and the upper and lower side tool of the fusion device ontology 1
There is the tooth socket for increasing frictional force；The fixed plate 2 is connected to lateral surface (the nearly skin side after implantation of the fusion device ontology 1
Face), the fixed plate 2 has upper limb 21 and bottom wing 22, and the upper limb 21 and bottom wing 22 are respectively equipped with and 3 phase of the fixing screws
The through-hole 23 of cooperation.In use, after the fusion device ontology 1 is implanted between upper hypocentrum, the fixing screws 3 are passed through described
Through-hole 23 is fixed on hypocentrum.The upper and lower side of fusion device ontology 1 has the radian for meeting soleplate contact surface.This
Fusion device ontology described in embodiment 1 and fixed plate 2 can be integrated chemical conversion type, or be detachably fixed connection (as led to
Cross embeded slot connection or screw connection).
As shown in figure 3, having the groove 211 of cooperation upside vertebral bone structure ring on the inside of 21 edge of the upper limb.The bottom wing
There is the groove 221 of cooperation downside vertebral bone structure ring on the inside of 22 edges.The through-hole 23 is each passed through groove 211 and groove 221
Wall.Bone structure ring is the cyclic structure of centrum top and bottom edge protrusion, compact structure, intensity height.
Match with the fixing screws 3 as shown in figure 4, the upper limb 21 and bottom wing 22 in the fixed plate 2 are respectively provided with one
The through-hole 23 of conjunction, and the through-hole 23 is arranged along the diagonal line of the fixed plate.In the present embodiment, the upper limb 21 is from institute
The middle part for stating fixed plate 2 is stretched out to upper left side, and the bottom wing 22 stretches out to the right from the middle part of the fixed plate 2.It is described solid
The middle part of fixed board 2, which has, holds hole.
As shown in figure 5, the upper and lower side of fusion device ontology described in the present embodiment is non-parallel setting, the fusion device
Angle α between the upper and lower side of ontology 1 is 0 ° -15 °；Preferably 3 ° -10 ° of angle；Most preferably 7.5 °.Preferred
In ground angular range, the fusion device ontology that dypass is implanted into can be made more stable.Angle α can be in the fusion device ontology 1
Angle above and below the section of the widest part between side.
In the present embodiment, the fixing screws 3 are hollow screw, can be solid screw in other embodiments.Institute
It is locking nail or cortex nail to state fixing screws.During use, fixing screws 3 are squeezed into from bone structure ring fixes, it can be achieved that stablizing.
The type of fixing screws 3 can be lock screw or plain screw, can be solid or hollow.For compact bone substance person,
Locking nail may be selected, realize steady lock and the support of nail and fixed plate 2；For cancellous bone person, cortex nail may be selected, to keep away
Exempt from the fixed failure of second phase.It in operation, is operated in minimally invasive channel, guide pin orientation is squeezed by its endoporus, it is then hollow to consolidate
Locking can be screwed in along guide pin by determining screw.Solid fixing screws can be screwed in by hose screwdriver rod.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (6)
1. a kind of novel Invasive lumbar fusion device, which is characterized in that the Invasive lumbar fusion device includes fusion device ontology, fixed plate and consolidates
Determine screw；
The fusion device ontology has the inner cavity for accommodating bone grafting, and the upper and lower side of the fusion device ontology has increase
The tooth socket of frictional force；
The fixed plate is connected to the lateral surface of the fusion device ontology, and the fixed plate has upper limb and bottom wing, the upper limb
It is respectively equipped with and the matched through-hole of the fixing screws with bottom wing；
Have on the inside of the groove and/or the bottom wing edge on the inside of the upper limb edge with cooperation upside vertebral bone structure ring and matches
Close the groove of downside vertebral bone structure ring；
With 0 ° -15 ° of angle between the upper and lower side of the fusion device ontology.
2. Invasive lumbar fusion device as described in claim 1, which is characterized in that upper limb and bottom wing in the fixed plate are respectively provided with one
A and matched through-hole of the fixing screws, and the through-hole is arranged along the diagonal line of the fixed plate.
3. Invasive lumbar fusion device as described in claim 1, which is characterized in that have between the upper and lower side of the fusion device ontology
There is 3 ° -10 ° of angle.
4. Invasive lumbar fusion device as described in claim 1, which is characterized in that have between the upper and lower side of the fusion device ontology
There is 7.5 ° of angle.
5. Invasive lumbar fusion device as described in claim 1, which is characterized in that the fixing screws are hollow screw.
6. Invasive lumbar fusion device as described in claim 1, which is characterized in that the fixing screws are locking nail or cortex nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401450.0U CN207886316U (en) | 2017-04-18 | 2017-04-18 | A kind of novel Invasive lumbar fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401450.0U CN207886316U (en) | 2017-04-18 | 2017-04-18 | A kind of novel Invasive lumbar fusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207886316U true CN207886316U (en) | 2018-09-21 |
Family
ID=63546473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720401450.0U Active CN207886316U (en) | 2017-04-18 | 2017-04-18 | A kind of novel Invasive lumbar fusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207886316U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602466A (en) * | 2018-12-17 | 2019-04-12 | 南昌市第医院 | A kind of cervical facet joint fusion device |
| CN116650180A (en) * | 2023-08-01 | 2023-08-29 | 四川大学华西医院 | Magnetized interbody fusion cage and implantation method |
-
2017
- 2017-04-18 CN CN201720401450.0U patent/CN207886316U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602466A (en) * | 2018-12-17 | 2019-04-12 | 南昌市第医院 | A kind of cervical facet joint fusion device |
| CN109602466B (en) * | 2018-12-17 | 2024-02-06 | 南昌市第一医院 | Cervical vertebra facet joint fusion device |
| CN116650180A (en) * | 2023-08-01 | 2023-08-29 | 四川大学华西医院 | Magnetized interbody fusion cage and implantation method |
| CN116650180B (en) * | 2023-08-01 | 2023-11-10 | 四川大学华西医院 | Magnetized interbody fusion cage and implantation method |
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