CN102525624A - Interbody fusion cage - Google Patents
Interbody fusion cage Download PDFInfo
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- CN102525624A CN102525624A CN2011104412793A CN201110441279A CN102525624A CN 102525624 A CN102525624 A CN 102525624A CN 2011104412793 A CN2011104412793 A CN 2011104412793A CN 201110441279 A CN201110441279 A CN 201110441279A CN 102525624 A CN102525624 A CN 102525624A
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- fusion device
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- fusion cage
- invasive lumbar
- bone grafting
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Abstract
An interbody fusion cage belongs to the technical field of orthopedic internal fixing appliances and comprises a fusion cage body. The interbody fusion cage is characterized in that one or more bone grafting holes is arranged on the fusion cage body, and a toothed structure is arranged on the surface of the fusion cage body. The interbody fusion cage is simple and reasonable in structure, the toothed structure is arranged on the surface of the fusion cage, when external force is conducted, the fusion cage cannot shift, positioning is accurate during bone grafting, and positioning by the aid of hand feeling of doctors is omitted. The fusion cage is further provided with the bone grafting holes which are favorable for bones in the fusion cage to be fused with a vertebral body of a patient and surrounding tissues. The fusion cage conforms to physiological curve of the vertebral body of the patient, and is high in stability, low in risks, accurate in positioning and convenient in surgery operation when used.
Description
Technical field
The invention belongs to orthopedic fixation device material technical field, be specially a kind of single or a plurality of vertebral body sections degeneratioies of treatment, osteochondrosis of being applicable to and merge the Invasive lumbar fusion device of slippage, degeneration spinal canal stenosis, centrum olisthe etc.
Background technology
The slippage of vertebral body degeneration, segmental shakiness; The vertebral body unstability causes due to intervertebral disc source property disease, the traumatic centrum olisthe pain, limb motion sensory disturbance; Generally all need carry out vertebral body fixing and fusing art to the non-operative treatment nonresponder; This technology has developed into one of basic art formula of current spinal surgery, and is very universal at home.Fusion device is as the core of interbody fusion; Not only to carrier be provided for bone grafting; And to effectively strut the gap, and recover support, increase intervertebral foramina capacity, the solution root compression of spinal column, prevent that intervertebral space from subsiding; Avoid bone grafting slippage and pseudoarticulation formation, and good biomechanical property and biocompatibility should be arranged.The smooth surface that existing fusion device contacts with the vertebra dish, fusion device has the displacement phenomenon when conduction external force, influences surgical effect.And the location is inaccurate when implanting, and needs to lean on doctor's feel to locate.Mostly the structure of fusion device is the plane form of frame structure at present, do not meet vertebral body physiological curve shape, and inner hollow is less, is unfavorable for bone piece and vertebral body and surrounding tissue fusion in the fusion device.
Summary of the invention
To the problems referred to above that exist in the prior art; The objective of the invention is to design provide that a kind of stability is high, risk is little, accurate positioning, the operation technique technical scheme of Invasive lumbar fusion device easily; This fusion device more meets the intervertebral physiological curve, and is beneficial to the fusion of bone piece surrounding tissue.
Described a kind of Invasive lumbar fusion device comprises the fusion device body, it is characterized in that being provided with on the fusion device body one or an above bone grafting hole, and the fusion device body surface has dentalation.
Described a kind of Invasive lumbar fusion device is characterized in that being provided with on the fusion device body or 3 tantalum metal markers at 2.
Described a kind of Invasive lumbar fusion device is characterized in that being provided with on the fusion device body two or more convexities.
Described a kind of Invasive lumbar fusion device is characterized in that being provided with on the fusion device body one or more and connects screw.
Described a kind of Invasive lumbar fusion device is characterized in that in the middle of the fusion device body a big bone grafting hole being set, and the both sides, front and back are provided with the inserted sheet with bone grafting hole snap fit respectively, and inserted sheet and fusion device body front-back are 45-85 degree angle.
Described a kind of Invasive lumbar fusion device is characterized in that having 0 °, 4 ° or 8 ° of angles between the fusion device body front-back.
Described a kind of Invasive lumbar fusion device is characterized in that the fusion device body is a clip shape structure, has 0-10 degree angle between two intermediate plates of front and back, and the clip both sides are provided with the expansion groove, and front end is equipped with dilator.
Described a kind of Invasive lumbar fusion device, the dentalation that it is characterized in that the fusion device body surface are arcuate serrated, waveform sawtooth or pyramid tooth.
Described a kind of Invasive lumbar fusion device is characterized in that fusion device body head is a conical structure, and head is offered clearance groove.
Described a kind of Invasive lumbar fusion device is characterized in that the inserted sheet both sides are tooth-shape structure, the buckle snap fit that is provided with on latch that is provided with on the inserted sheet and the fusion device body.
Above-mentioned a kind of Invasive lumbar fusion device, simple and reasonable for structure, the fusion device surface has dentalation, and fusion device the phenomenon that is shifted can not occur when conduction external force, and accurate positioning when implanting, and need not lean on doctor's feel to locate; The bone grafting hole also is set on the fusion device, helps bone piece and vertebral body and surrounding tissue fusion in the fusion device.This fusion device meets the physiological curve of vertebral body, and stability is high during use, risk is little, accurate positioning, operation technique are convenient.
Description of drawings
Fig. 1 is the main TV structure sketch map of the embodiment of the invention 1;
Fig. 2 is the side-looking structural representation of the embodiment of the invention 1;
Fig. 3 is the structural representation of looking up of the embodiment of the invention 1;
Fig. 4 is the perspective view of the embodiment of the invention 1;
Fig. 5 is the main TV structure sketch map of the embodiment of the invention 2;
Fig. 6 is the side-looking structural representation of the embodiment of the invention 2;
Fig. 7 is the perspective view of the embodiment of the invention 2;
Fig. 8 is the main TV structure sketch map of the embodiment of the invention 3;
Fig. 9 is the side-looking structural representation of the embodiment of the invention 3;
Figure 10 is the structural representation of looking up of the embodiment of the invention 3;
Figure 11 is the perspective view of the embodiment of the invention 3;
Figure 12 is the main TV structure sketch map of the embodiment of the invention 4;
Figure 13 is the side-looking structural representation of the embodiment of the invention 4;
Figure 14 is the perspective view of the embodiment of the invention 4;
Figure 15 is the main TV structure sketch map of the embodiment of the invention 5;
Figure 16 is the side-looking structural representation of the embodiment of the invention 5;
Figure 17 is the perspective view of the embodiment of the invention 5;
Figure 18 is the main TV structure sketch map of the embodiment of the invention 6;
Figure 19 is the side-looking structural representation of the embodiment of the invention 6;
Figure 20 is the perspective view of the embodiment of the invention 6;
Figure 21 is the main TV structure sketch map of the embodiment of the invention 7;
Figure 22 is the side-looking structural representation of the embodiment of the invention 7;
Figure 23 is the structural representation of looking up of the embodiment of the invention 7;
Figure 24 is the perspective view of the embodiment of the invention 7;
Figure 25 is the main TV structure sketch map of the embodiment of the invention 8;
Figure 26 is the side-looking structural representation of the embodiment of the invention 8;
Figure 27 is the perspective view of the embodiment of the invention 8;
Figure 28 is the main TV structure sketch map of the embodiment of the invention 9;
Figure 29 is the side-looking structural representation of the embodiment of the invention 9;
Figure 30 is the structural representation of looking up of the embodiment of the invention 9;
Figure 31 is the perspective view of the embodiment of the invention 9;
Among the figure: 1-fusion device body, 2-bone grafting hole, 3-tantalum metal marker, 4-convexity, 5-connect screw, 6-inserted sheet, 7-expansion groove, 8-dilator, 601-latch, 101-buckle, 9-clearance groove.
The specific embodiment
Below in conjunction with Figure of description the present invention is described further.
As shown in the figure, this Invasive lumbar fusion device comprises fusion device body 1, and one or an above bone grafting hole 2 are set on the fusion device body 1, and fusion device body 1 surface has dentalation.2 or 3 tantalum metal markers 3 are set on the fusion device body 1, and tantalum metal marker 3 can be arranged on 1 same of fusion device body and go up or be arranged on the different facial.Two or more convexities 4 are set on the fusion device body 1.One or more are set on fusion device body 1 connect screw 5.In the middle of the fusion device body 1 a big bone grafting hole 2 is set, the both sides, front and back are provided with the inserted sheet 6 with bone grafting hole 2 snap fit respectively, and inserted sheet 6 is 45-85 degree angle with fusion device body 1 front-back; Inserted sheet 6 is a v-shaped structure.Inserted sheet 6 both sides also can be provided with profile of tooth, buckle 101 snap fit that are provided with on latch 601 that is provided with on the inserted sheet 6 and the fusion device body 1.Have 0 °, 4 ° or 8 ° of angles between fusion device body 1 front-back.Fusion device body 1 is a clip shape structure, has 0-10 degree angle between two intermediate plates of front and back, and the clip both sides are provided with expansion groove 7, and front end is equipped with dilator 8.The dentalation on fusion device body 1 surface is arcuate serrated, waveform sawtooth or pyramid tooth.Fusion device body 1 head is a conical structure, and head is offered clearance groove 9.The dentalation on fusion device body 1 surface is arranged on its front-back, left and right side or the arbitrary position in the portion end to end.Described bone grafting hole 2 is circle, ellipse, square, rectangle, triangle, waist shape, water droplet shape, polygon or other erose hollow hole.
Shown in Fig. 1-4, this Invasive lumbar fusion device is for dissecting the shape cervical vertebral fusion cage, and there are 3 tantalum metal markers 3 on its surface, and is high-visible under X-ray, can guarantee that the doctor accurately locatees.The tantalum line in the image of MRI inspection, the pseudo-shadow of less generation.Two symmetrical bone grafting holes 2 are set on the fusion device body 1, two small embossments 3 are arranged on the other direction surface, can prevent effectively that the masterpiece time spent produces the displacement phenomenon to fusion device outside.Surface behind the front is provided with arcuate serrated, has both met the physiology curvature of vertebral body, also can increase the surface area that contacts with intervertebral disc, avoids deviating to keep stability, is not easy loose shift, strengthens the operation fixed effect; Front end is furnished with the screw 5 of connection, can utilize apparatus easily the fusion device implant into body.
Shown in Fig. 5-7, this Invasive lumbar fusion device is the preceding road of a blade inserting cervical vertebral fusion cage, and its surface broadness of windowing is provided with a big bone grafting hole 2 in the middle of the fusion device body 1, and unique jumbo bone grafting space also can extensively contact with soleplate, improves the fusion rate of bone grafting.Large tracts of land offside bone grafting shelf structure provides load, strengthens clinical stability in use.Front-back all is provided with the waveform sawtooth, excellent guarantee the stability after implanting.Increase inserted sheet 6 at front end, thereby strengthened the stability of operation initial stage internal fixation, increased the effect that merges greatly.
Shown in Fig. 8-11, this Invasive lumbar fusion device is a way of escape lumbar fusion cages, and fusion device body 1 front and rear surfaces has dentalation, and the front also is provided with 2 tantalum metal markers, and there are some tantalum metal markers the side, can be so that the three-dimensional X ray control of postoperative.Have 0 °, 4 ° and 8 ° of three kinds of shapes between fusion device body 1 front-back, the model of different sizes can satisfy different needs of patients.Do not need painstakingly to get bone from ilium, filling bone can be local from operation.Head adopts the circular cone profile, is easier to implant into body.Afterbody has the screw 5 of connection, can connect assistive device.
Shown in Figure 12-14, this Invasive lumbar fusion device is a banana-shaped dypass lumbar fusion cages, and fusion device body 1 front and rear surfaces has dentalation; The bone grafting hole 2 of a waist shape is set; Adopt unique style of opening design, enlarged the contact area of bone to bone, the plant bone mass of expansion makes that the circulation of blood fortune is easier; Connect upward hypocentrum through plant bone mass, strengthen the effect that merges greatly.
Shown in Figure 15-17; This Invasive lumbar fusion device is an arc dypass lumbar fusion cages; Fusion device body 1 front and rear surfaces has dentalation, and profile is similar with banana-shaped dypass lumbar fusion cages, in the middle of the bone grafting hole 2 of its waist shape, the retaining muscle is set; And increased by two little bone grafting holes 2, strengthened structural strength.Head increases zigzag, implants more easily, and is simultaneously also more stable.
Shown in Figure 18-20, this Invasive lumbar fusion device is the preceding road of a blade inserting lumbar fusion cages, and fusion device body 1 front and rear surfaces has dentalation, and the centre is provided with a big bone grafting hole 2, and through-hole rate increases the contact surface of bone grafting greatly, is beneficial to bone and merges.Increase the blade inserting structure, and on inserted sheet 6, be designed with profile of tooth, strengthened stability greatly.And in suitable, allow not increase pedicle nail and fix, simplified the operating procedure of operation, make simpler that operation becomes.
Shown in Figure 21-24; This Invasive lumbar fusion device is the expansible way of escape lumbar fusion cages of rectangle, and fusion device body 1 front and rear surfaces has dentalation, and the centre is provided with a bone grafting hole 2; System is enough little, so can make lordosis patient's spinal curvature reach optimal level.Fusion device body 1 is a clip shape structure, has 0-10 degree angle between two intermediate plates of front and back, and the clip both sides are provided with expansion groove 7, and front end is equipped with dilator 8.Owing to itself do not need a lot of Cortex Lycii pull-ups to fall, thereby have better curative effect for osteoporosis.The increase side plate has been adopted in design, regulates the angle of lordosis with it, and range of accommodation is the 8-10 degree.Design with gap makes implant be prone to reach faster the state that bone merges.When implant implantation vertebra position, also can make angle reach 90 degree with dilator 8, consolidate congenital lordosis disease patient's therapeutic effect.
Shown in Figure 25-27, this Invasive lumbar fusion device is the expansible way of escape lumbar fusion cages of taper, and fusion device body 1 front and rear surfaces has dentalation, and the design in a plurality of bone graftings hole, four sides 2 is beneficial to bone and merges.System is enough little, and head adopts the streamlined design, and the resistance when reducing to implant reduces damage.And head has been opened clearance groove 9, can be used as expansion usefulness, and allows to expand into two kinds of different lordotic angle, 4 degree and 8 degree, and the outside formed angle of product is the same with the flexibility of side plate.
Shown in Figure 28-31, this Invasive lumbar fusion device is a preceding road thoracic vertebra fusion device, and fusion device body 1 front and rear surfaces has dentalation; Two symmetrical bone grafting holes 2 also are set; Its surface is the pyramid profile of tooth and distributes, and has increased and the gmatjpdumamics of soleplate up and down enhanced stability.The arc design is adopted in the side, is complementary with the physiologic radian of breast lumbar vertebra.Afterbody is equipped with sidepiece and is connected screw 5, can insert apparatus easily, to help implant into body fast.
Adopted the invention of above-mentioned these structures, overcome the design defect of traditional fusion device, made easy to operately, reduced operating difficulty, accurate positioning is difficult for slippage, is prone to implant, and stability is high, and is practical.
Claims (10)
1. an Invasive lumbar fusion device comprises fusion device body (1), it is characterized in that being provided with on the fusion device body (1) one or an above bone grafting hole (2), and fusion device body (1) surface has dentalation.
2. a kind of Invasive lumbar fusion device as claimed in claim 1 is characterized in that being provided with on the fusion device body (1) or 3 tantalum metal markers (3) at 2.
3. a kind of Invasive lumbar fusion device as claimed in claim 1 is characterized in that being provided with on the fusion device body (1) two or more convexities (4).
4. a kind of Invasive lumbar fusion device as claimed in claim 1 is characterized in that being provided with on the fusion device body (1) one or more and connects screw (5).
5. a kind of Invasive lumbar fusion device as claimed in claim 1; It is characterized in that in the middle of the fusion device body (1) a big bone grafting hole (2) being set; The both sides, front and back are provided with the inserted sheet (6) with bone grafting hole (2) snap fit respectively, and inserted sheet (6) is 45-85 degree angle with fusion device body (1) front-back.
6. a kind of Invasive lumbar fusion device as claimed in claim 1 is characterized in that having 0 °, 4 ° or 8 ° of angles between fusion device body (1) front-back.
7. a kind of Invasive lumbar fusion device as claimed in claim 1 is characterized in that fusion device body (1) is clip shape structure, has 0-10 degree angle between two intermediate plates of front and back, and the clip both sides are provided with expansion groove (7), and front end is equipped with dilator (8).
8. a kind of Invasive lumbar fusion device as claimed in claim 1 is characterized in that the dentalation on fusion device body (1) surface is arcuate serrated, waveform sawtooth or pyramid tooth.
9. a kind of Invasive lumbar fusion device as claimed in claim 1 is characterized in that fusion device body (1) head is a conical structure, and head is offered clearance groove (9).
10. a kind of Invasive lumbar fusion device as claimed in claim 5 is characterized in that inserted sheet (6) both sides are tooth-shape structure, and inserted sheet (6) is gone up the latch (601) that is provided with and gone up buckle (101) snap fit that is provided with fusion device body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104412793A CN102525624A (en) | 2011-12-26 | 2011-12-26 | Interbody fusion cage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104412793A CN102525624A (en) | 2011-12-26 | 2011-12-26 | Interbody fusion cage |
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| CN102525624A true CN102525624A (en) | 2012-07-04 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103494657A (en) * | 2013-08-15 | 2014-01-08 | 刘官喜生 | Fusion cage |
| CN103908329A (en) * | 2014-03-13 | 2014-07-09 | 山东冠龙医疗用品有限公司 | Threaded fusion cage |
| CN106308981A (en) * | 2016-08-22 | 2017-01-11 | 浙江康慈医疗科技有限公司 | Cervical interbody fusion cage |
| EP3213704A1 (en) | 2016-02-26 | 2017-09-06 | LDR Medical | System of spinal arthodesis implants |
| CN108078656A (en) * | 2018-01-31 | 2018-05-29 | 贾志强 | A kind of expansion type Invasive lumbar fusion device for applying to minimally invasive spine surgical |
| CN109953841A (en) * | 2019-04-10 | 2019-07-02 | 上海交通大学医学院附属第九人民医院 | A kind of construction method of the porous Invasive lumbar fusion device of personalization |
| CN110236746A (en) * | 2019-06-19 | 2019-09-17 | 重庆医科大学附属第三医院(捷尔医院） | A kind of cervical vertebral fusion cage |
| CN111821072A (en) * | 2020-07-22 | 2020-10-27 | 广州民鋆医疗科技发展有限公司 | Intervertebral fusion cage |
| CN116196155A (en) * | 2023-02-23 | 2023-06-02 | 重庆富沃思医疗器械有限公司 | Lumbar interbody fusion cage |
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| CN103494657A (en) * | 2013-08-15 | 2014-01-08 | 刘官喜生 | Fusion cage |
| CN103908329A (en) * | 2014-03-13 | 2014-07-09 | 山东冠龙医疗用品有限公司 | Threaded fusion cage |
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| CN109953841A (en) * | 2019-04-10 | 2019-07-02 | 上海交通大学医学院附属第九人民医院 | A kind of construction method of the porous Invasive lumbar fusion device of personalization |
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| CN111821072A (en) * | 2020-07-22 | 2020-10-27 | 广州民鋆医疗科技发展有限公司 | Intervertebral fusion cage |
| CN116196155A (en) * | 2023-02-23 | 2023-06-02 | 重庆富沃思医疗器械有限公司 | Lumbar interbody fusion cage |
| CN116196155B (en) * | 2023-02-23 | 2024-01-26 | 重庆富沃思医疗器械有限公司 | Lumbar interbody fusion cage |
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Application publication date: 20120704 |