CN205107983U - Height -adjustable's interbody fusion cage - Google Patents
Height -adjustable's interbody fusion cage Download PDFInfo
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- CN205107983U CN205107983U CN201520826647.XU CN201520826647U CN205107983U CN 205107983 U CN205107983 U CN 205107983U CN 201520826647 U CN201520826647 U CN 201520826647U CN 205107983 U CN205107983 U CN 205107983U
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Abstract
The utility model discloses a height -adjustable's interbody fusion cage, it includes: interior integration ware main part of establishing central through -hole, it has adjusting bolt installation end, ejector pad guide part installation end, go up the blade, it has last blade main part and goes up the epitaxy portion of going up that the central through -hole orientation of blade main part lower surface orientation is extended certainly, is somebody's turn to do upward the epitaxy and is provided with and raises the groove, lower blade, its lower epitaxial portion that has the lower blade main part and extend from the central through -hole orientation of lower blade main part upper surface orientation, this time epitaxy portion is provided with down and adjusts the groove, the ejector pad, it is provided with the bulge, this bulge be provided with be used for with upper and lower adjustment slot combination being connected, lower blade's pin structure, install in the bolt of adjusting bolt installation end. According to the utility model discloses a merge the ware between height -adjustable's centrum and implant the convenience, adjust when can realize merging ware both ends height through the linkage effect.
Description
Technical field
This utility model relates to medical apparatus and instruments, especially relates to a kind of adjustable for height Invasive lumbar fusion device.
Background technology
The Therapeutic Principle of lumbar degenerative disease (comprising lumbar spinal stenosis, lumbar spondylolisthesis, Degenerative scoliosis and discogenic disease etc.) is the stability removed nerve compression and rebuild spinal column.The bone that the reconstruction of spinal stabilization depends between vertebral body with vertebral body is connected, method is the earliest that iliac is planted between vertebral body to reach interpyramidal fusion by premenstrual road, the eighties in 20th century, through the Invasive lumbar fusion device of the way of escape---BAK system starts to be used for the treatment of a lumbar degenerative illness, and after this posterior lumbar internal fixation technology progressively develops into the goldstandard art formula for the treatment of lumbar degenerative disease.Interbody fusion strengthens the supporting role of anterior spinal column while recovering intervertebral height, increases segmental stabilization, is widely used in clinical.At present, the method for lumbar intervertebral fusion mainly contains through Posterior lumbar interbody fusion (posteriorlumbarinterbodyfusion, PLIF); Intervertebral spinal fusion interbody fusion (transforaminalposteriorlumbarinterbodyfusion, TLIF); Anterior lumbar interbody fusion anteriorlumbarinterbodyfusion, ALIF), in addition also have other as Far lateral approach lumbar intervertebral fusion (extremelateralinterbodyfusion, XLIF) and passage assist under intervertebral spinal fusion interbody fusion (MIS-TLIF) etc.
In recent years less invasive techniques particularly spinal endoscopes technology be applied to and clinically achieve gratifying achievement, the technology of loosening of carrying out the excision of intervertebral disc and nerve root under spinal endoscopes is assisted is ripe.Research worker is exploring the intervertebral fusion technology under Endoscope-assisted, and the problem obviously existed is exactly that scope service aisle is less, can not meet the enough large Invasive lumbar fusion device that placement one is desirable; In addition, lumbar degenerative disease patient simultaneously can narrow with intervertebral space, recovers intervertebral height and have very important significance to improving clinical symptoms in operation.Therefore, a kind of Invasive lumbar fusion device of height that can regulate arbitrarily in operative process is designed very necessary.The target of design: can by spinal endoscopes passage auxiliary under complete intervertebral fusion operation, realize spinal operation Wicresoft truly; Strutting of intervertebral space maximum height can be realized in Minimally Invasive Surgery, obtain the clinical effectiveness of expection.
Utility model content
The purpose of this utility model is exactly to solve the problem, and provides a kind of adjustable for height Invasive lumbar fusion device.
To achieve these goals, this utility model adopts following technical scheme:
Adjustable for height Invasive lumbar fusion device, it comprises:
Inside establish the fusion device main body of center through hole, it has an adjusting bolt installation end and a pushing block guide part installation end;
Be located at the blade of fusion device body top, its upper epitaxy part having blade main part and extend towards center through hole direction from blade main part lower surface, on this, epitaxy part is provided with the upper adjustment tank of inclination;
Be located at the lower blade of fusion device lower body part, its lower epitaxy part having lower blade main part and extend towards center through hole direction from lower blade main part upper surface, this lower epitaxy part is provided with the lower adjustment tank of inclination;
Pushing block, it is provided with bulge, and this bulge is provided with and coordinates with upper and lower adjustment tank and pin configuration for being connected upper and lower blade, and described pushing block is provided with the guide part coordinated with the through hole of pushing block guide part installation end;
Be installed on adjusting bolt installation end and carry out linearly moving bolt for promoting pushing block, described pushing block is provided with the through hole coordinated with bolt front end.
Described bolt is provided with locking mechanism.
Described upper and lower blade is laminated structure or platy structure, and the upper surface of described blade, the lower surface of lower blade are provided with texture structure.
Described upper and lower blade is provided with at least one through hole communicated with center through hole.
Described pushing block comprises at least two bulges.
In at least two bulges included by pushing block, each bulge comprises two inclined planes, and described upper and lower blade is provided with at least two inclined-planes coordinated with inclined plane.
The upper and lower epitaxy part of described upper and lower blade is provided with at least two group adjustment tanks.
Described upper and lower adjustment tank is the inclined groove structure with fusion device main body axis with angle.
Two sidewalls of fusion device main body are provided with the groove for mating with operation tool.
Described pushing block guide part installation end comprises at least one inclined plane.
This utility model has following beneficial effect:
It is convenient to implant according to adjustable for height BAK of the present utility model, compared with other can only realize the adjustable for height expansion fusion device in one end, the adjustable for height BAK of this utility model regulates while can realizing fusion device two ends height by interlock effect, avoids the fusion device slippage because height difference in fusion device two ends causes and displacement.Simultaneously, the anti-slop serrations of upper and lower weight-bearing surface is fixed on the soleplate of upper hypocentrum by described adjustable for height BAK, plays fixing from steady effect, contributes to intervertebral fusion operation Wicresoft, be conducive to the fusion of vertebral body, destroy less to the original rock-steady structure of lumbar vertebra and soleplate during implantation.
Accompanying drawing explanation
Fig. 1 is the assembled state figure of adjustable for height Invasive lumbar fusion device.
Fig. 2 is the axonometric chart of adjustable for height Invasive lumbar fusion device.
Fig. 3 is the axonometric chart of fusion device main body in adjustable for height Invasive lumbar fusion device.
Fig. 4 is the axonometric chart of blade in adjustable for height Invasive lumbar fusion device.
Fig. 5 is the axonometric chart of lower blade in adjustable for height Invasive lumbar fusion device.
Fig. 6 is the axonometric chart of pushing block in adjustable for height Invasive lumbar fusion device.
Fig. 7 is the profile of bolt in adjustable for height Invasive lumbar fusion device.
Fig. 8 is bolt and pushing block assembled state figure in adjustable for height Invasive lumbar fusion device.
Fig. 9 is the profile of pin in adjustable for height Invasive lumbar fusion device.
Detailed description of the invention
The technological means realized to make this utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth this utility model further.
As shown in figs 1-9, adjustable for height Invasive lumbar fusion device, it comprises: fusion device main body 1, blade 2, lower blade 3, pushing block 4, for connecting pin configuration 5 and the bolt 6 of pushing block and upper and lower blade.
Wherein, described fusion device main body 1 is substantially in rectangular-shaped, this rectangular-shaped fusion device main body has the first side wall positioned opposite, second sidewall, described first, second sidewall is provided with the adjustment tank of two symmetries, this fusion device main body has an adjusting bolt installation end and a pushing block guide part installation end, the central authorities of fusion device main body are provided with center through hole 14, this center through hole is through whole fusion device main body from top to bottom, described center through hole is by first, second sidewall and adjusting bolt installation end, pushing block guide part installation end goes along with sb. to guard him formation jointly, described adjusting bolt installation end is provided with the screwed hole 11 coordinated with adjusting bolt, the bearing of trend of this screwed hole is consistent with the length direction of fusion device main body, in like manner, the bearing of trend of the through hole 12 of pushing block guide part installation end is also consistent with the length direction of fusion device main body.
Be located at the blade 2 of fusion device body top, its upper epitaxy part that there is blade main part and extend towards center through hole direction from blade main part lower surface, described blade main part is tabular or lamellar, in tabular or the blade main part of lamellar there is upper surface and lower surface, the upper surface of described blade is weight-bearing surface, described upper epitaxy part extends into described center through hole, and on this, epitaxy part is provided with the upper adjustment tank 23 of inclination.
Be located at the lower blade 3 of fusion device lower body part, its lower epitaxy part that there is lower blade main part and extend towards center through hole direction from lower blade main part upper surface, described lower blade main part is tabular or lamellar, in tabular or the lower blade main part of lamellar there is upper surface and lower surface, the lower surface of lower blade is weight-bearing surface, described lower epitaxy part extends into described center through hole, this lower epitaxy part is provided with the lower adjustment tank of inclination, and upper and lower adjustment tank is the inclined groove structure with fusion device main body axis with angle.The upper surface of described blade, the lower surface of lower blade are provided with texture structure along the length direction of fusion device main body, namely the texture 21 shown in Fig. 4-5, texture 31, described texture structure includes but are not limited to following form: the texture of dentation, fold, increase friction, lophosteon, promptly or the projection of holding with a firm grip, described texture structure is fixed on the soleplate of hypocentrum during fusion, to play the effect fixedly secured from steady, thus threaded fusion cage is prevented to be shifted.Described upper and lower blade is provided with the through hole 22 communicated with center through hole, through hole 32, and in this case, the central authorities of described upper and lower blade form through hole corresponding up and down, and shown through hole has rectangular shape, but the shape of through hole is not limited thereto.
In described blade, arrange upper adjustment tank perpendicular between the first side of lower surface, the second side, in lower blade, arrange lower adjustment tank perpendicular between the first side of lower blade, the second side, two sides of upper and lower blade all arrange two adjustment tanks.
In figure 6, the pushing block 4 of adjustable for height BAK is provided with upper and lower 4 through holes 41 and is connected with the adjustment tank of the correspondence with upper and lower blade, and the afterbody of pushing block 4 is provided with draw-in groove 42 and through hole 43.
Be installed on the pushing block 4 of fusion device body interior, it is provided with two bulges, and each bulge comprises two inclined planes, and described upper and lower blade is provided with two inclined-planes coordinated with inclined plane.This bulge is provided with and coordinates with upper and lower adjustment tank and pin configuration 5 for being connected upper and lower blade, this pin configuration has the intermediate bar part being positioned at through hole 41 set by bulge and the first end being distributed in intermediate bar part two ends and the second end, the bearing of trend of two pairs of through holes 41 is parallel to the minor face of fusion device main body, described pushing block is provided with the guide part coordinated with the through hole 12 of pushing block guide part installation end, guide part is substantially in cylindrical shape, and the afterbody of described pushing block is provided with the draw-in groove 42 coordinated with bolt.
Be installed on adjusting bolt installation end and carry out linearly moving bolt 6 for promoting pushing block, this bolt is provided with external screw thread at least partially, described pushing block is provided with the through hole 43 coordinated with bolt front end, described bolt is provided with locking mechanism, the locking be convenient between bolt with pushing block is connected, specifically (see Fig. 7), described bolt comprises threaded rod 62 and is arranged at threaded rod end and opening-like termination 61, termination has the multiple disconnected laminated structure be circular layout, and, this termination has the projection of annular so that clamping, this termination extends in through hole 43, described bolt 6 inside is provided with screwed hole 63, one of component that described pin 7 forms as locking mechanism, to be screwed in bolt 6 and to strut termination 61 and will lock between bolt and pushing block, described pushing block can drive described blade and lower blade away from described fusion device main body towards the movement of pushing block guide part installation end, described pushing block moves towards adjusting bolt installation end and described blade and lower blade can be driven near described fusion device main body.
Described pushing block guide part installation end comprises at least one inclined plane 13, inclined plane 13 can have in circular arc, trapezoidal or oval outer shape so that implant.It should be noted that the outer shape of inclined plane 13 described herein is only exemplary, and do not mean to be limited to this, the outer shape of inclined plane can adopt any shape being convenient to implant.
This adjustable for height Invasive lumbar fusion device assembling flow path is:
First, pushing block 4 is put into fusion device main body 1 by the through hole 14 of fusion device main body 1.
Then, by pin configuration 5, the upper adjustment tank 23 of the through hole 41 of pushing block and blade 2 and lower blade 3, lower adjustment tank 33 are connected.The screwed hole 11 of the termination 61 of bolt 6 by fusion device main body 1 is stuck in the draw-in groove 42 of pushing block 4.Then, pin 7 is strutted the termination 61 of bolt 6 by the screw-threaded engagement of the screwed hole 63 with bolt 6 inside and bolt 6 is clamped in the draw-in groove 42 of pushing block 4.After described expansion fusion device is implanted lumbar vertebra, hexagonal screw rod swivel bolt 6 can be used, make pushing block 4 drive pin 5 in blade 2 and lower blade 3, edge to be moved in adjustment tank 23, lower adjustment tank 33 by interlock effect, and then realize strutting and compressive state of upper and lower blade.That is, the degree of depth that described adjustable fusion device can screw in fusion device main body 1 by bolt 6 can regulate the opening width of upper and lower blade, finally realizes the adjustable of fusion device height.
Two sidewalls of fusion device main body are provided with the groove for mating with operation tool.
The method of use height adjustable Invasive lumbar fusion device is:
Be placed between adjacent vertebral bodies by described Invasive lumbar fusion device, described Invasive lumbar fusion device comprises a fusion device main body, and described fusion device main body comprises the first end and the second end, and first described first end is inserted into disc space, and described second end inserts thereupon;
Rotating described bolt to first direction drives the pushing block of described height adjustable Invasive lumbar fusion device to move to first direction, described pushing block comprises the bulge that at least one is provided with two inclined-planes, described inclined-plane near and extrude the inclined-plane of upper and lower blade and then make upper and lower blade present expansion state away from described fusion device main body; Wherein said height adjustable Invasive lumbar fusion device has expansion and compression two states.
Rotating described bolt to second direction drives the pushing block of described height adjustable Invasive lumbar fusion device to move to second direction, the bulge of described pushing block is provided with pin, described pin is arranged in the adjustment tank of described upper and lower blade, and described pushing block promotes the close described fusion device main body of upper and lower blade along adjustment tank to moving belt untie-sell of second direction and reaches compressive state.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme belonging to this utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, the some improvement carried out under the prerequisite not departing from principle of the present utility model, these improvement also should be considered as protection domain of the present utility model.
Claims (10)
1. adjustable for height Invasive lumbar fusion device, is characterized in that, it comprises:
Inside establish the fusion device main body of center through hole, it has an adjusting bolt installation end and a pushing block guide part installation end;
Be located at the blade of fusion device body top, its upper epitaxy part having blade main part and extend towards center through hole direction from blade main part lower surface, on this, epitaxy part is provided with the upper adjustment tank of inclination;
Be located at the lower blade of fusion device lower body part, its lower epitaxy part having lower blade main part and extend towards center through hole direction from lower blade main part upper surface, this lower epitaxy part is provided with the lower adjustment tank of inclination;
Pushing block, it is provided with bulge, and this bulge is provided with and coordinates with upper and lower adjustment tank and pin configuration for being connected upper and lower blade, and described pushing block is provided with the guide part coordinated with the through hole of pushing block guide part installation end;
Be installed on adjusting bolt installation end and carry out linearly moving bolt for promoting pushing block, described pushing block is provided with the through hole coordinated with bolt front end.
2. adjustable for height Invasive lumbar fusion device according to claim 1, is characterized in that, described bolt is provided with locking mechanism.
3. adjustable for height Invasive lumbar fusion device according to claim 1, is characterized in that, described upper and lower blade is laminated structure or platy structure, and the upper surface of described blade, the lower surface of lower blade are provided with texture structure.
4. adjustable for height Invasive lumbar fusion device according to claim 1, is characterized in that, described upper and lower blade is provided with at least one through hole communicated with center through hole.
5. adjustable for height Invasive lumbar fusion device according to claim 1, is characterized in that, described pushing block comprises at least two bulges.
6. adjustable for height Invasive lumbar fusion device according to claim 5, is characterized in that, at least two bulges included by pushing block, each bulge comprises two inclined planes, and described upper and lower blade is provided with at least two inclined-planes coordinated with inclined plane.
7. adjustable for height Invasive lumbar fusion device according to claim 1, is characterized in that, the upper and lower epitaxy part of described upper and lower blade is provided with at least two group adjustment tanks.
8. adjustable for height Invasive lumbar fusion device according to claim 1, is characterized in that, described upper and lower adjustment tank is the inclined groove structure with fusion device main body axis with angle.
9. adjustable for height Invasive lumbar fusion device according to claim 1, is characterized in that, two sidewalls of fusion device main body are provided with the groove for mating with operation tool.
10. adjustable for height Invasive lumbar fusion device according to claim 1, is characterized in that, described pushing block guide part installation end comprises at least one inclined plane.
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| CN201520826647.XU CN205107983U (en) | 2015-10-23 | 2015-10-23 | Height -adjustable's interbody fusion cage |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105902327A (en) * | 2016-04-05 | 2016-08-31 | 广州爱锘德医疗器械有限公司 | Centrum fusion device |
| CN106166092A (en) * | 2016-08-31 | 2016-11-30 | 广州爱锘德医疗器械有限公司 | Lift threaded fusion cage and for driving the operator of lifting threaded fusion cage |
| CN106308984A (en) * | 2016-08-31 | 2017-01-11 | 广州爱锘德医疗器械有限公司 | Bidirectional lifting fusion cage and rotating mechanism used for driving bidirectional lifting fusion cage |
| CN107224341A (en) * | 2017-07-17 | 2017-10-03 | 博能华医疗器械（北京）有限公司 | One kind can bracing type Invasive lumbar fusion device |
| CN107411853A (en) * | 2017-03-28 | 2017-12-01 | 广州爱锘德医疗器械有限公司 | Invasive lumbar fusion device |
| CN107890384A (en) * | 2017-12-20 | 2018-04-10 | 山东威高骨科材料股份有限公司 | 3D printing Invasive lumbar fusion device and its assembling fixing means |
| 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 |
| CN108143522A (en) * | 2016-12-02 | 2018-06-12 | 上海锐植医疗器械有限公司 | A kind of height-adjustable fusion device |
| CN108158700A (en) * | 2018-02-10 | 2018-06-15 | 武汉光谷北宸医疗器械有限公司 | Height-adjustable intervertebral fixes fusion device |
| CN108498210A (en) * | 2018-03-28 | 2018-09-07 | 上海锐植医疗器械有限公司 | A kind of adjustable fusion device of height |
| CN108852562A (en) * | 2017-04-06 | 2018-11-23 | 华沙整形外科股份有限公司 | The interbody implants and radial type inserter and application method of expansion |
| CN109481099A (en) * | 2017-09-13 | 2019-03-19 | 医景通(北京)科技发展有限公司 | A kind of fusion device |
| CN109758272A (en) * | 2019-02-26 | 2019-05-17 | 珠海维尔康生物科技有限公司 | One kind can intermediate bone grafting be height-adjustable struts fusion device |
| CN109938889A (en) * | 2019-03-11 | 2019-06-28 | 珠海维尔康生物科技有限公司 | One kind can the height-adjustable bracing type fusion device of bone grafting |
| CN111759436A (en) * | 2020-07-23 | 2020-10-13 | 山东第一医科大学附属省立医院(山东省立医院) | A self-guided four-sided retractable interbody cage for bone grafting under the microscope |
| CN112153951A (en) * | 2018-03-06 | 2020-12-29 | Eit 新兴移植技术股份有限公司 | Intervertebral cage with integrated extension and angle adjustment mechanism |
| CN112515822A (en) * | 2020-12-18 | 2021-03-19 | 大泗医疗生物科技有限公司 | Vertebral body fusion regulator |
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2015
- 2015-10-23 CN CN201520826647.XU patent/CN205107983U/en active Active
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| CN105902327A (en) * | 2016-04-05 | 2016-08-31 | 广州爱锘德医疗器械有限公司 | Centrum fusion device |
| CN106166092A (en) * | 2016-08-31 | 2016-11-30 | 广州爱锘德医疗器械有限公司 | Lift threaded fusion cage and for driving the operator of lifting threaded fusion cage |
| CN106308984A (en) * | 2016-08-31 | 2017-01-11 | 广州爱锘德医疗器械有限公司 | Bidirectional lifting fusion cage and rotating mechanism used for driving bidirectional lifting fusion cage |
| CN106308984B (en) * | 2016-08-31 | 2018-09-14 | 广州爱锘德医疗器械有限公司 | Bidirectional up-down fusion device and rotating mechanism for driving Bidirectional up-down fusion device |
| CN108143522A (en) * | 2016-12-02 | 2018-06-12 | 上海锐植医疗器械有限公司 | A kind of height-adjustable fusion device |
| CN107411853B (en) * | 2017-03-28 | 2023-03-21 | 广州爱锘德医疗器械有限公司 | Intervertebral fusion device |
| CN107411853A (en) * | 2017-03-28 | 2017-12-01 | 广州爱锘德医疗器械有限公司 | Invasive lumbar fusion device |
| CN108852562B (en) * | 2017-04-06 | 2022-08-16 | 华沙整形外科股份有限公司 | Expanded interbody implant and articulating inserter and methods of use |
| CN108852562A (en) * | 2017-04-06 | 2018-11-23 | 华沙整形外科股份有限公司 | The interbody implants and radial type inserter and application method of expansion |
| US11213404B2 (en) | 2017-04-06 | 2022-01-04 | Warsaw Orthopedic, Inc. | Expanding interbody implant and articulating inserter and methods of use |
| CN107224341A (en) * | 2017-07-17 | 2017-10-03 | 博能华医疗器械（北京）有限公司 | One kind can bracing type Invasive lumbar fusion device |
| CN107224341B (en) * | 2017-07-17 | 2023-05-16 | 博能华医疗器械（北京）有限公司 | Expandable interbody fusion cage |
| CN109481099A (en) * | 2017-09-13 | 2019-03-19 | 医景通(北京)科技发展有限公司 | A kind of fusion device |
| CN107890384A (en) * | 2017-12-20 | 2018-04-10 | 山东威高骨科材料股份有限公司 | 3D printing Invasive lumbar fusion device and its assembling fixing means |
| CN107890384B (en) * | 2017-12-20 | 2024-02-02 | 山东威高骨科材料股份有限公司 | 3D printing interbody fusion cage and assembly and fixation method thereof |
| CN108078656B (en) * | 2018-01-31 | 2024-01-02 | 贾志强 | Expansion type interbody fusion cage applied to minimally invasive spine surgery |
| 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 |
| CN108158700A (en) * | 2018-02-10 | 2018-06-15 | 武汉光谷北宸医疗器械有限公司 | Height-adjustable intervertebral fixes fusion device |
| US12083025B2 (en) | 2018-03-06 | 2024-09-10 | Eit Emerging Implant Technologies Gmbh | Intervertebral cages with integrated expansion and angular adjustment mechanism |
| CN112153951A (en) * | 2018-03-06 | 2020-12-29 | Eit 新兴移植技术股份有限公司 | Intervertebral cage with integrated extension and angle adjustment mechanism |
| CN112153951B (en) * | 2018-03-06 | 2024-02-20 | Eit 新兴移植技术股份有限公司 | Intervertebral cage with integrated extension and angle adjustment mechanism |
| CN108498210A (en) * | 2018-03-28 | 2018-09-07 | 上海锐植医疗器械有限公司 | A kind of adjustable fusion device of height |
| CN109758272A (en) * | 2019-02-26 | 2019-05-17 | 珠海维尔康生物科技有限公司 | One kind can intermediate bone grafting be height-adjustable struts fusion device |
| CN109758272B (en) * | 2019-02-26 | 2020-01-17 | 珠海维尔康生物科技有限公司 | Distracting fusion cage with adjustable middle bone grafting height |
| CN109938889A (en) * | 2019-03-11 | 2019-06-28 | 珠海维尔康生物科技有限公司 | One kind can the height-adjustable bracing type fusion device of bone grafting |
| CN111759436B (en) * | 2020-07-23 | 2021-09-21 | 山东第一医科大学附属省立医院(山东省立医院) | Self-guiding four-side expandable under-mirror bone grafting interbody fusion cage |
| CN111759436A (en) * | 2020-07-23 | 2020-10-13 | 山东第一医科大学附属省立医院(山东省立医院) | A self-guided four-sided retractable interbody cage for bone grafting under the microscope |
| CN112515822A (en) * | 2020-12-18 | 2021-03-19 | 大泗医疗生物科技有限公司 | Vertebral body fusion regulator |
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