CN215080292U - An adjustable-angle intervertebral cage - Google Patents
An adjustable-angle intervertebral cage Download PDFInfo
- Publication number
- CN215080292U CN215080292U CN202022213090.6U CN202022213090U CN215080292U CN 215080292 U CN215080292 U CN 215080292U CN 202022213090 U CN202022213090 U CN 202022213090U CN 215080292 U CN215080292 U CN 215080292U
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- China
- Prior art keywords
- top plate
- lower top
- adjusting screw
- angle
- rod
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- 230000004927 fusion Effects 0.000 abstract description 19
- 230000002980 postoperative effect Effects 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000001356 surgical procedure Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 208000007623 Lordosis Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 description 1
- 206010050296 Intervertebral disc protrusion Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001045 lordotic effect Effects 0.000 description 1
- 210000004705 lumbosacral region Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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Abstract
本实用新型涉及一种可调角度的椎间融合器，包括上顶板和下顶板，所述上顶板的一侧和所述下顶板的一侧通过弧形板连接，所述上顶板和所述下顶板之间设有支撑间隔，所述上顶板和所述下顶板上均设有定位齿，所述下顶板内设有相互连通的螺纹孔和滑动孔，所述滑动孔内设有滑块，所述滑块内设有转动槽，所述转动槽内设有转动块，所述螺纹孔内设有调节螺杆，所述调节螺杆的顶端通过连接杆与所述转动块连接，所述滑块上转动连接有顶杆，所述顶杆与所述上顶板的内侧转动连接，所述下顶板上设有供所述顶杆穿过的穿槽。本实用新型用于脊椎手术后的椎间融合治疗，可以根据患者病情调节椎间隙高度，利于患者术后恢复。
The utility model relates to an adjustable-angle intervertebral cage, comprising an upper top plate and a lower top plate, one side of the upper top plate and one side of the lower top plate are connected by an arc plate, and the upper top plate and the A support interval is provided between the lower top plates, positioning teeth are provided on both the upper and lower top plates, threaded holes and sliding holes communicated with each other are provided in the lower top plate, and sliding blocks are provided in the sliding holes , the slider is provided with a rotating groove, the rotating groove is provided with a rotating block, the threaded hole is provided with an adjusting screw, the top of the adjusting screw is connected with the rotating block through a connecting rod, and the sliding A top rod is rotatably connected to the block, the top rod is rotatably connected to the inner side of the upper top plate, and a through slot for the top rod to pass through is provided on the lower top plate. The utility model is used for intervertebral fusion treatment after spinal surgery, and can adjust the height of the intervertebral space according to the patient's condition, which is beneficial to the postoperative recovery of the patient.
Description
The technical field is as follows:
the utility model relates to the technical field of medical equipment, concretely relates to intervertebral fusion cage of adjustable angle.
Background art:
due to the change of the living habits of people at present, the occurrence frequency of spine related diseases such as spine injury or intervertebral disc protrusion is very high, and when the conditions of diseases are serious or conservative treatment is ineffective, the mode of bone grafting fusion of an intervertebral fusion device after discectomy is mostly adopted for operation treatment clinically. Most of the existing interbody fusion cages are of fixed structures, the height of the damaged intervertebral discs and the interbody fusion cage is different, the interbody fusion cage cannot be adjusted after being implanted into a human body, and the interbody fusion cage cannot be completely attached to the interbody height of the human body, and is easy to dislocate and loosen. Clinical experience has shown that increasing the height of the intervertebral space helps relieve the patient's symptoms, and that a larger lordotic angle of the lumbar spine reduces the risk of degeneration of the adjacent segment of the intervertebral space after surgery. Patent No. ZL201922305667.3 struts the piece through setting up on fusing the ware body, it includes connecting portion and inflation portion to fuse the ware body, be equipped with the regulation hole that link up on the connecting portion, it locks the groove to fuse to have set up on the ware body, under the condition that the external force along direction of rotation was applyed, it gets into locking promptly after locking the groove to strut the piece, improve the problem that the piece that struts slided and moves back effectively, strut the piece through the rotation and realize the height-adjustable who fuses the ware body, thereby improve the problem that the intervertebral space easily sinks once more, strut the piece and be sticis locked in locking the inslot, do not additionally occupy the inner space that fuses the ware body. However, the distraction angle of the fusion cage is fixed, the adjustment can not be carried out according to the vertebral clearance of the patient, the sufficient vertebral clearance height can not be ensured, and the postoperative recovery of the patient is not facilitated.
The utility model has the following contents:
technical problem to be solved
The utility model aims at providing an adjustable angle's interbody fusion cage for interbody fusion treatment in the spinal column operation solves prior art and to intervertebral strutting the angle fixation, can't adjust according to patient's vertebra clearance, can not guarantee sufficient intervertebral space height, is unfavorable for the problem that patient's postoperative resumes.
The technical scheme is as follows:
in order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an adjustable angle's interbody fusion cage, includes top plate and roof down, one side of top plate with one side of roof down is passed through the arc and is connected, top plate with be equipped with the support interval down between the roof, top plate with all be equipped with the location tooth on the roof down, be equipped with the screw hole and the sliding hole of mutual intercommunication in the roof down, be equipped with the slider in the sliding hole, be equipped with the rotation groove in the slider, be equipped with the turning block in the rotation groove, threaded hole is equipped with adjusting screw, adjusting screw's top pass through the connecting rod with the turning block is connected, it is connected with the ejector pin to rotate on the slider, the ejector pin with the inboard rotation of top plate is connected, be equipped with the confession on the roof down the trough that the ejector pin passed.
The upper top plate and the lower top plate are used for being placed between vertebrae and fixed through the positioning teeth, the arc-shaped plate has certain elasticity, so that an included angle between the upper top plate and the lower top plate can be adjusted, the adjusting screw rod can rotate in the threaded hole, the connecting rod drives the rotating block to rotate in the rotating groove and pushes the sliding block to translate in the sliding hole, the sliding block moves to drive the ejector rod to rotate, the ejector rod jacks up the upper top plate, therefore, the angle adjustment between the upper top plate and the lower top plate is achieved, the supporting interval is guaranteed to meet the height requirement of intervertebral space, the adjusting screw rod can be controlled to rotate through a common screwdriver, and the operation during surgery is facilitated.
Furthermore, the arc-shaped plate is provided with a rotating shaft, the upper top plate and the lower top plate can rotate along the rotating shaft, and angle adjustment is facilitated.
Furthermore, the adjusting screw is a countersunk head screw, so that the adjusting screw is integrally positioned in the threaded hole, and the condition that the adjusting screw extends out of the lower top plate to influence the intervertebral fusion effect is avoided.
Furthermore, the diameter of the sliding hole is smaller than the small diameter of the threaded hole, so that the position of the adjusting screw rod is convenient to limit, and the adjusting screw rod is prevented from entering the sliding hole.
Furthermore, the included angle between the upper top plate and the lower top plate is 0-20 degrees, so that a proper lumbar lordosis angle is ensured, and the postoperative recovery effect is enhanced.
(III) the beneficial effects are as follows:
compared with the prior art, the utility model discloses the beneficial effect who produces is: through last roof and the roof down that sets up the arc connection, set up screw hole and slip hole in the roof down, threaded hole sets up adjusting screw, sets up the slider in the slip hole, and the slider passes through the ejector pin to be connected with last roof, and adjusting screw passes through the connecting rod and links to each other with the slider, can adjust the angle between roof and the roof down through rotatory adjusting screw control ejector pin according to patient's the state of an illness, guarantees suitable intervertebral disc clearance height, does benefit to the postoperative and resumes.
Description of the drawings:
in order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.
Fig. 1 is a schematic structural view of an adjustable angle intervertebral cage according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of the adjustable angle interbody cage of the present invention when the upper and lower top plates are not expanded;
fig. 3 is a cross-sectional view of the adjustable angle intervertebral cage of the embodiment of the present invention when the upper and lower top plates are spread apart;
in the figure: 1. an upper top plate; 2. a lower top plate; 3. an arc-shaped plate; 4. a support spacer; 5. positioning teeth; 6. a threaded hole; 7. a slide hole; 8. a slider; 9. a rotating groove; 10. rotating the block; 11. adjusting the screw rod; 12. a connecting rod; 13. a top rod; 14. penetrating a groove; 15. rotating shaft
The specific implementation mode is as follows:
the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in figure 1, figure 2 and figure 3, but adjustable angle's interbody fusion cage, including last roof 1 and roof 2 down, the one side of going up roof 1 and one side of roof 2 down are connected through arc 3, it supports interval 4 to go up to be equipped with between roof 1 and the roof 2 down, all be equipped with location tooth 5 on going up roof 1 and the roof 2 down, be equipped with screw hole 6 and the sliding hole 7 of intercommunication each other in the roof 2 down, be equipped with slider 8 in the sliding hole 7, be equipped with rotation groove 9 in the slider 8, be equipped with turning block 10 in the rotation groove 9, be equipped with adjusting screw 11 in the screw hole 6, connecting rod 12 is passed through on adjusting screw 11's top and turning block 10 is connected, it is connected with ejector pin 13 to rotate on the slider 8, ejector pin 13 rotates with the inboard of last roof 1 to be connected, be equipped with the groove 14 that wears that supplies ejector pin 13 to pass on the roof 2 down.
Preferably, the arc plate 3 is provided with a rotating shaft 15, and the upper top plate 1 and the lower top plate 2 can rotate along the rotating shaft 15, so that the angle adjustment is facilitated.
Preferably, adjusting screw 11 is the countersunk head screw, guarantees that adjusting screw 11 is whole inside screw hole 6, avoids adjusting screw 11 to stretch out down the roof 2 and influences interbody fusion effect outward.
Preferably, the diameter of the sliding hole 7 is smaller than the small diameter of the threaded hole 6, so that the position of the adjusting screw 11 is limited, and the adjusting screw 11 is prevented from entering the sliding hole 7.
Preferably, the included angle between the upper top plate 1 and the lower top plate 2 is 0-20 degrees, so that a proper lumbar lordosis angle is ensured, and the postoperative recovery effect is enhanced.
The utility model discloses an adjustable angle's interbody fusion cage's application method as follows:
when carrying out the operation, place roof 1 and roof 2 down between the vertebra, it is fixed with upper and lower vertebra through location tooth 5, prevent roof 1 and roof 2 slip down, use instruments such as spiral bottle opener to stretch into screw hole 6 internal rotation adjusting screw 11, adjusting screw 11 drives turning block 10 at rotation 9 internal rotations through connecting rod 12, and promote slider 8 translation in sliding hole 7, slider 8's removal drives ejector pin 13 and rotates, roof 1 is gone up in ejector pin 13 jack-up, thereby realize the angle modulation between roof 1 and the roof 2 down, guarantee to support interval 4 and satisfy the high requirement in intervertebral space.
To sum up, the utility model provides a pair of adjustable angle's interbody fusion cage for interbody fusion treatment in the spinal surgery solves prior art and struts the angle fixed to intervertebral, can't adjust according to patient's intervertebral space, can not guarantee sufficient intervertebral space height, is unfavorable for the problem that patient's postoperative resumes.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.
Claims (5)
1. An adjustable angle intervertebral cage, its characterized in that: the novel adjustable ejector plate comprises an upper top plate and a lower top plate, wherein one side of the upper top plate and one side of the lower top plate are connected through an arc plate, a supporting interval is arranged between the upper top plate and the lower top plate, positioning teeth are arranged on the upper top plate and the lower top plate respectively, threaded holes and sliding holes which are communicated with each other are formed in the lower top plate, a sliding block is arranged in the sliding hole, a rotating groove is formed in the sliding block, a rotating block is arranged in the rotating groove, an adjusting screw rod is arranged in the threaded holes, the top end of the adjusting screw rod is connected with the rotating block through a connecting rod, an ejector rod is connected to the sliding block in a rotating mode, the ejector rod is connected with the inner side of the upper top plate in a rotating mode, and a through groove for the ejector rod to penetrate through is formed in the lower top plate.
2. The adjustable angle intersomatic cage of claim 1, wherein: the arc-shaped plate is provided with a rotating shaft.
3. The adjustable angle intersomatic cage of claim 1, wherein: the adjusting screw is a countersunk head screw.
4. The adjustable angle intersomatic cage of claim 1, wherein: the diameter of the sliding hole is smaller than the small diameter of the threaded hole.
5. The adjustable angle intersomatic cage of claim 1, wherein: the included angle between the upper top plate and the lower top plate is 0-20 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022213090.6U CN215080292U (en) | 2020-10-07 | 2020-10-07 | An adjustable-angle intervertebral cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022213090.6U CN215080292U (en) | 2020-10-07 | 2020-10-07 | An adjustable-angle intervertebral cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215080292U true CN215080292U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022213090.6U Expired - Fee Related CN215080292U (en) | 2020-10-07 | 2020-10-07 | An adjustable-angle intervertebral cage |
Country Status (1)
| Country | Link |
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| CN (1) | CN215080292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115227461A (en) * | 2022-07-22 | 2022-10-25 | 北京市富乐科技开发有限公司 | A multi-directional distraction type lumbar fusion cage |
-
2020
- 2020-10-07 CN CN202022213090.6U patent/CN215080292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115227461A (en) * | 2022-07-22 | 2022-10-25 | 北京市富乐科技开发有限公司 | A multi-directional distraction type lumbar fusion cage |
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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: 20211210 |