CN105326587A - Opening type interbody fusion cage - Google Patents

Opening type interbody fusion cage Download PDF

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Publication number
CN105326587A
CN105326587A CN201510903300.5A CN201510903300A CN105326587A CN 105326587 A CN105326587 A CN 105326587A CN 201510903300 A CN201510903300 A CN 201510903300A CN 105326587 A CN105326587 A CN 105326587A
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China
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described
jackscrew
provided
end
wedge
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CN201510903300.5A
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Chinese (zh)
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CN105326587B (en
Inventor
王雅玲
黄锡艺
鲁文胜
仇万裕
张磊
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北京市富乐科技开发有限公司
胡桓宇
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Priority to CN201510903300.5A priority Critical patent/CN105326587B/en
Publication of CN105326587A publication Critical patent/CN105326587A/en
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Publication of CN105326587B publication Critical patent/CN105326587B/en

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Abstract

The invention provides an opening type interbody fusion cage. The opening type interbody fusion cage comprises a fusion cage body, a push block, a jackscrew and two end covers. The fusion cage body is in a rectangular frame shape, the push block is installed in the fusion cage body, the two end covers are arranged at the top and the bottom of the fusion cage body respectively, a rectangular boss is arranged on one end face of the fusion cage body, the other end of the fusion cage body is in a transitional sharp corner shape, the jackscrew is arranged in the middle of the rectangular boss and connected with the rectangular boss through threads, and wedge-shaped protrusions are arranged at the two ends and the middle poison of the push block respectively. In a working state, the ends, close to the jackscrew, of the wedge-shaped protrusions are platforms, and a first round hole matched with the jackscrew in installation is formed in the platform of the wedge-shaped protrusion, close to the jackscrew, of the push block. Tooth-shaped protrusions are evenly distributed on the upper surfaces of the end covers, and wedge-shaped grooves matched with the wedge-shaped protrusions are formed in the two ends and the middle of the bottoms of the end covers. The jackscrew is rotated to drive the push block to move to one end, and the wedge-shaped protrusions are made to slide along the slopes of the wedge-shaped grooves to open the end covers in parallel. A lateral approach implantation method can be adopted, surgery is simple, damage to the spine is very small, and higher stability is achieved.

Description

One struts type Invasive lumbar fusion device

Technical field

The present invention relates to one and strut type Invasive lumbar fusion device, belong to medical instruments field, be applicable to side lumbar intervertebral fusion.

Background technology

Waist interbody fusion is one of method for the treatment of spinal disease, and annual increasing crowd accepts the treatment of interbody fusion.Interbody fusion comprises autologous bone transplanting and merges and allogenic bone transplantation fusion, due to autologous bone limited source, increase for district wound, can not provide the shortcoming such as mechanically stable timely that the clinical practice of interbody fusion is restricted, and allogenic bone transplantation not only costly, limited amount but also the virus disseminating caused by allograph bone and immunologic rejection be also affect its main cause in wide clinical application.In recent years, for improving bone collection fusion rate, reduce extenal fixation dependency, improve and keep the curvature of spinal column, the type Invasive lumbar fusion device of strutting arises at the historic moment, but the existing type Invasive lumbar fusion device that struts need implant two pieces of fusion devices mostly when clinical practice simultaneously, thus must excise bilateral facet joint to dash forward, lumbar vertebra rear structure is destroyed serious, affect Post lumbar surgery stability, and often adopt and strut mode and implant, implant difficulty, less with the contact area of upper and lower spinal column, easily loosen between spinal column after implantation, built on the sand, effect is implanted in impact, take out also more difficult, easily wound is caused to patient.

Summary of the invention

The object of the present invention is to provide a kind ofly can conveniently to implant, implant after be not easy, little to spinal injury, and only need implant the side approach strutting type Invasive lumbar fusion device of Single cage.

To achieve these goals, the technical solution used in the present invention is:

One struts type Invasive lumbar fusion device, comprises and merges body, pushing block, jackscrew and end cap, described fusion body is rectangular box-like, it is inner that described pushing block is arranged on described fusion body, described end cap is two, be separately positioned on tip position and the bottom position of described fusion body, face, described fusion body one end is provided with rectangular boss, the other end is transited into tip-angled shape, the first screwed hole is provided with in the middle of described rectangular boss, described jackscrew one end is threaded portion, the periphery of described threaded portion is provided with the jackscrew screw thread closed with described first corresponding threaded holes, described first screwed hole and described jackscrew are threaded connection, described pushing block two ends and centre position are respectively arranged with wedge shape projection, under duty, the protruding one end near jackscrew of described wedge shape is platform, described pushing block is provided with near the platform of the wedge shape projection of jackscrew the first circular hole coordinating with described jackscrew and install, described end cap upper surface is evenly equipped with detent projection, two ends bottom described end cap and centre position are provided with the wedge-shaped slot matched with described wedge shape projection, during work, rotate jackscrew, pushing block is driven to move to one end, the protruding inclined-plane along described wedge-shaped slot of described wedge shape is slided, by described end cap parallel opening.

Preferably, the upper and lower of the first circular hole of described pushing block is respectively arranged with the pin hole running through described pushing block, and described pin hole is vertical with described first circular hole, is separately installed with pin in described pin hole.

Preferably, described end cap middle part is provided with the first rectangular opening and the second rectangular opening, described pushing block and described end cap first rectangular opening and the second rectangular opening correspondence position are respectively arranged with the 3rd rectangular opening and the 4th rectangular opening, described end cap is arranged six positioning pinholes, in described locating hole, positioning needle is installed.

Preferably, middle position, described fusion body tip-angled shape one end is provided with the second circular hole and the 3rd circular hole, and two sides entreat position to be arranged with oval groove respectively wherein to described fusion body, and the centre position of described oval bottom portion of groove is provided with oval through hole.

Preferably, the protruding two sides of wedge shape of described pushing block middle part are arranged with drops boss respectively, described drops boss middle position is arranged with the second screwed hole and the 3rd screwed hole respectively, the centre position of described pushing block top and bottom has dovetail groove, the inclined-plane of the wedge-shaped slot of described end cap middle part is provided with the dovetail shaped matched with described dovetail groove protruding.

Preferably, under duty, described pushing block is respectively arranged with the 4th screwed hole and the 5th screwed hole in the position corresponding with described second circular hole and the 3rd circular hole, the axis of described 4th screwed hole and described second circular hole on the same line, the axis of described 5th screwed hole and described 3rd circular hole on the same line, a screw axis is separately installed with in described 4th screwed hole and in described 5th screwed hole, described screw axis is provided with the screw thread closed with described 4th screwed hole and the 5th corresponding threaded holes, described screw axis top is provided with the first cross recess.

Preferably, a sliding nail is separately installed with in described second screwed hole and in the 3rd screwed hole, described sliding nail comprises ailhead, rivet nut and nail tail, described ailhead top is provided with the second cross recess, described rivet nut is provided with closes screw thread with described second screwed hole and the 3rd corresponding threaded holes, and described nail tail is the cylinder that diameter is less than described rivet nut.

Preferably, under duty, the one end deviating from jackscrew bottom described end cap in its surface between position be provided with two semicylinder grooves, described semicylinder groove extends to described wedge-shaped slot along the length direction of described end cap, described semicylinder groove matches with described screw axis, the centre position, bottom of described end cap two sides is respectively equipped with a groove, described groove longitudinal cross-section shape is arc near one end of jackscrew, the other end is wedge shape, and described groove matches with described drops boss.

Preferably, two sides of described fusion body are respectively equipped with a rectangular recess near the end of described rectangular boss, and the centre position bottom described rectangular recess is provided with rectangular through-hole.

Preferably, the centre stating the threaded portion of jackscrew is provided with hexagon ring, and the other end is provided with card-tight part, is connecting portion between described card-tight part and described threaded portion, and the external diameter of described connecting portion is less than the external diameter of described threaded portion and described card-tight part.

Advantage of the present invention is:

The type Invasive lumbar fusion device that struts of the present invention adopts side approach method for implantation, operation is simple, an implantable fusion device just can complete pyramidal support, very little to the wound of spinal column, rotate jackscrew and pushing block can be driven to move to one end, described wedge shape projection is slided along described inclined-plane, by described end cap parallel opening, strut the type Invasive lumbar fusion device spinal column contact area upper and lower with it large, strut mode compared with other more stable, the type Invasive lumbar fusion device of strutting can not be moved.

Further, when assemble improper need to reassembly time, or when needing taking-up to strut type Invasive lumbar fusion device, only jackscrew need be reversely rotated, because pin is stuck on the connecting portion of jackscrew, the position that bottom jackscrew, card-tight part opposing connections is given prominence to can apply an outside pulling force to pin, drives pushing block to get back to initial bit, fusion device, from softened state to original state, conveniently takes out from vertebral body.

Further, the effect of guide-localization is played in pin, sliding nail and the movement of screw axis to pushing block, move along the direction parallel with end cap when pushing block is moved, also can not deflect to both sides, deviating from of anti-thrust block, make to strut type Invasive lumbar fusion device more stably and keeping parallelism strut upper and lower spinal column, implant; Positioning needle is arranged in end cap, and the type Invasive lumbar fusion device of strutting is polyetheretherketonematerials materials, and this kind of material can not develop when performing the operation, the position of implanting cannot be confirmed, and positioning needle can be located when performing the operation in development, the position determining that fusion device is implanted can be helped, being convenient to the carrying out of performing the operation.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the type that the struts Invasive lumbar fusion device in the present invention is described further:

Fig. 1 is the overall structure schematic diagram that the present invention struts type Invasive lumbar fusion device;

Fig. 2 is the front view that the present invention struts type Invasive lumbar fusion device;

Fig. 3 is the top view strutting type Invasive lumbar fusion device of the present invention;

Fig. 4 is the structural representation of screw axis of the present invention;

Fig. 5 is the structural representation that body is merged in the present invention;

Fig. 6 is the front view that body is merged in the present invention;

Fig. 7 is the structural representation of the sliding nail of the present invention;

Fig. 8 is the structural representation of pushing block of the present invention;

Fig. 9 is the front view of pushing block of the present invention;

Figure 10 is the structural representation of jackscrew of the present invention;

Figure 11 is the structural representation of end cap of the present invention;

Figure 12 is the front view of end cap of the present invention;

Figure 13 is the top view of end cap of the present invention;

Figure 14 is the upward view of end cap of the present invention;

In figure: 1-screw axis, 2-merges body, the sliding nail of 3-, 4-pushing block, 5-pin, 6-jackscrew, 7-positioning needle, 8-end cap, 9-first cross recess, 10-the 4th rectangular opening, 11-the 3rd screwed hole, 121-second circular hole, 122-the 3rd circular hole, the oval groove of 131-, the oval through hole of 132-, 14-rectangular recess, 15-rectangular through-hole, 16-rectangular boss, 17-first screwed hole, 18-second cross recess, 19-rivet nut, 20-follows closely tail, 21-the 3rd rectangular opening, 22-first circular hole, 23-pin hole, 24-drops boss, 25-second screwed hole, 26-dovetail groove, 271-the 4th screwed hole, 272-the 5th screwed hole, 28-card-tight part, 29-hexagon ring, 30-detent projection, 311-first rectangular opening, 312-second rectangular opening, 32-semicylinder groove, 33-wedge-shaped slot, 34-groove, 35-positioning pinholes, 36-wedge shape is protruding, 37-threaded portion, 38-connecting portion.

Detailed description of the invention

In order to further illustrate the present invention, below in conjunction with drawings and Examples, the type Invasive lumbar fusion device that struts provided by the invention being described in detail, but they can not being interpreted as limiting the scope of the present invention.

The invention provides one and strut type Invasive lumbar fusion device, as shown in Fig. 1,2,3,5,6,8,10,11, comprise and merge body 2, pushing block 4, jackscrew 6 and end cap 8, it is rectangular box-like for merging body 2, pushing block 4 is arranged on and merges body 2 inside, end cap 8 is two, be separately positioned on the tip position and bottom position that merge body 2, merge body 2 one end face and be provided with rectangular boss 16, the other end is transited into tip-angled shape, the first screwed hole 17 is provided with in the middle of rectangular boss 16, jackscrew 6 one end is threaded portion 37, the periphery of threaded portion 37 is provided with the jackscrew screw thread matched with the first screwed hole 17, first screwed hole 17 and jackscrew 6 are threaded connection, pushing block 4 two ends and centre position are respectively arranged with wedge shape projection 36, under duty, wedge shape projection 36 is platform near one end of jackscrew 6, pushing block 4 is provided with near the platform of the wedge shape projection 36 of jackscrew 6 the first circular hole 22 coordinating with jackscrew 6 and install, end cap 8 upper surface is evenly equipped with detent projection 30, end cap 8 and the frictional force up and down between spinal column can be increased, the spinal column of its upper and lower of support more firm after making to strut the implantation of type Invasive lumbar fusion device, two ends bottom end cap 8 and centre position are provided with the wedge-shaped slot 33 matched with wedge shape projection 36, during work, rotate jackscrew 6, pushing block 4 is driven to move to one end, wedge shape projection 36 is slided along the inclined-plane of wedge-shaped slot 33, by end cap 8 parallel opening.

As shown in Figure 8,9, the upper and lower of the first circular hole 22 of pushing block 4 is respectively arranged with the pin hole 23 running through pushing block 4, and pin hole 23 is vertical with the first circular hole 22, is separately installed with pin 5 in pin hole 23.

As shown in Figure 11,12,13,14, end cap 8 middle part is provided with the first rectangular opening 311 and the second rectangular opening 312, pushing block 4 is respectively arranged with the 3rd rectangular opening 21 and the 4th rectangular opening 10 with the first rectangular opening 311 of end cap 8 and the correspondence position of the second rectangular opening 312, sclerotin can be filled in first rectangular opening 311, second rectangular opening 312 and three rectangular opening 21 that arrange corresponding to it and the 4th rectangular opening 10 inside, the spinal column strutting type Invasive lumbar fusion device top and the bottom is better merged, is conducive to the recovery of patient; End cap 8 is arranged six positioning pinholes 35, positioning needle 7 is installed in locating hole 35, positioning needle 7 is arranged in end cap 8, the type that struts Invasive lumbar fusion device in the present embodiment adopts polyetheretherketonematerials materials to make, and polyetheretherketonematerials materials can not be developed when performing the operation, and cannot confirm its position of implanting, and positioning needle 7 material is tantalum wire in the present embodiment, the position of type Invasive lumbar fusion device implantation can be strutted when performing the operation with Instrument observation, development can locate when performing the operation, being convenient to the carrying out of performing the operation.

As shown in Figure 5,6, merge middle position, body 2 tip-angled shape one end and be provided with the second circular hole 121 and the 3rd circular hole 122, merging on body 2 two sides entreats position to be arranged with oval groove 131 respectively wherein, and the centre position of oval bottom portion of groove is provided with oval through hole 132.

As shown in Figure 8,9, protruding 36 two sides of wedge shape of pushing block 4 middle part are arranged with drops boss 24 respectively, drops boss 24 middle position is arranged with the second screwed hole 25 and the 3rd screwed hole 11 respectively, the top of pushing block 4 and the centre position of bottom have dovetail groove 26, the inclined-plane of the wedge-shaped slot 33 of end cap 8 middle part are provided with the dovetail shaped matched with dovetail groove 26 protruding.

Under duty, pushing block 4 is being respectively arranged with the 4th screwed hole 271 and the 5th screwed hole 272 with the second circular hole 121 and the 3rd circular hole 122 correspondence position, the axis of the 4th screwed hole 272 and the second circular hole 121 on the same line, the axis of the 5th screwed hole 272 and the 3rd circular hole 122 on the same line, be separately installed with a screw axis 1 in 4th screwed hole 271 with in the 5th screwed hole 272, screw axis 1 be provided with the screw thread matched with the 4th screwed hole 271 and the 5th screwed hole 272.

As shown in Figure 4, screw axis 1 top is provided with the first cross recess 9.

As shown in Fig. 3,7, a sliding nail 3 is separately installed with in second screwed hole 25 with in the 3rd screwed hole 11, sliding nail 3 comprises ailhead, rivet nut 19 and nail tail 20, ailhead top is provided with the second cross recess 18, rivet nut 19 is provided with the screw thread that to match with the second screwed hole 25 and the 3rd screwed hole 11, and nail tail 20 is less than the cylinder of rivet nut 19 for diameter.

As shown in Figure 11,12, under duty, the one end deviating from jackscrew 6 bottom end cap 8 in its surface between position be provided with two semicylinder grooves 32, semicylinder groove 32 extends to wedge-shaped slot 33 along the length direction of end cap 8, semicylinder groove 32 matches with screw axis 1, and the centre position, bottom of end cap 8 two sides is respectively equipped with a groove 34, and groove 34 longitudinal cross-section shape is arc near one end of jackscrew 6, the other end is wedge shape, and groove 34 matches with drops boss 24.

As shown in Figure 5,6, two sides of merging body 2 are respectively equipped with a rectangular recess 14 near the end of rectangular boss 16, and the centre position bottom rectangular recess 14 is all provided with rectangular through-hole 15.

As shown in Fig. 3,10, the centre of the threaded portion 37 of jackscrew 6 is axially arranged with hexagon ring 29 along it, the other end is provided with card-tight part 28, it is connecting portion 38 between card-tight part 28 and threaded portion 37, the external diameter of connecting portion is less than the external diameter of threaded portion 37 and card-tight part 28, during installation, pin 5 snaps onto on connecting portion 38.

During installation, first positioning needle 7 is respectively charged in the positioning pinholes 35 of setting on end cap 8, ensure that positioning needle 7 does not expose end cap 8 surface, then the end cap 8 installing positioning needle 7 is installed to the upper and lower surface of pushing block 4, then these assemblies are loaded and merge body 2, finally jackscrew 6 is encased in the first screwed hole, two pins 5 are encased in pin hole 23, cunning nail 3 is encased in the second screwed hole 25 and the 3rd screwed hole 11 respectively by oval groove 131 and oval through hole 132, two screw axis 1 are each passed through the second circular hole 121 and the 3rd circular hole 122 is encased in the 4th screwed hole 271 and the 5th screwed hole 272, namely the installation strutting type Invasive lumbar fusion device is completed.After installing, rotate jackscrew 6 and pushing block 4 can be driven to move to one end, wedge shape projection 36 is slided along the inclined-plane of wedge-shaped slot 33, the relative sliding between wedge shape projection 36 and wedge-shaped slot 33, can make the distance between upper and lower two end caps 8 increase, make end cap 8 parallel opening; The relation that the end cap 8 strutting type Invasive lumbar fusion device is parallel to each other with the spinal column position of its top and the bottom, the spinal column contact area so just making to strut type Invasive lumbar fusion device upper and lower with it is larger, the type Invasive lumbar fusion device of strutting can not be moved, and struts the type that the struts Invasive lumbar fusion device that mode implants more firm compared with other.The type Invasive lumbar fusion device that struts of the present invention adopts side approach method for implantation, and operation is simple, and an implantable fusion device just can complete pyramidal support, very little to the wound of spinal column.

When assemble improper need to reassembly time, or when needing taking-up to strut type Invasive lumbar fusion device, only need reversely rotate jackscrew 6, because pin 5 is stuck on the connecting portion 38 of jackscrew 6, bottom jackscrew 6, card-tight part 28 relatively connects 38 outstanding positions and can apply an outside pulling force to pin 5, drive pushing block 4 to get back to initial bit, fusion device, from softened state to original state, conveniently takes out from vertebral body.

The effect of guide-localization is played in the movement of pin 5, sliding nail 3 and screw axis 1 pair of pushing block 4, move along the direction parallel with end cap 8 when pushing block 4 is moved, also can not deflect to both sides, deviating from of anti-thrust block 4, make to strut type Invasive lumbar fusion device more stably and keeping parallelism strut upper and lower spinal column, implant.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. strut a type Invasive lumbar fusion device, it is characterized in that, comprise and merge body, pushing block, jackscrew and end cap, described fusion body is rectangular box-like, it is inner that described pushing block is arranged on described fusion body, described end cap is two, be separately positioned on tip position and the bottom position of described fusion body, face, described fusion body one end is provided with rectangular boss, the other end is transited into tip-angled shape, the first screwed hole is provided with in the middle of described rectangular boss, described jackscrew one end is threaded portion, the periphery of described threaded portion is provided with the jackscrew screw thread closed with described first corresponding threaded holes, described first screwed hole and described jackscrew are threaded connection, described pushing block two ends and centre position are respectively arranged with wedge shape projection, under duty, the protruding one end near jackscrew of described wedge shape is platform, described pushing block is provided with near the platform of the wedge shape projection of jackscrew the first circular hole coordinating with described jackscrew and install, described end cap upper surface is evenly equipped with detent projection, two ends bottom described end cap and centre position are provided with the wedge-shaped slot matched with described wedge shape projection, during work, rotate jackscrew, pushing block is driven to move to one end, the protruding inclined-plane along described wedge-shaped slot of described wedge shape is slided, by described end cap parallel opening.
2. according to claim 1ly strut type Invasive lumbar fusion device, it is characterized in that: the upper and lower of the first circular hole of described pushing block is respectively arranged with the pin hole running through described pushing block, described pin hole is vertical with described first circular hole, is separately installed with pin in described pin hole.
3. according to claim 1ly strut type Invasive lumbar fusion device, it is characterized in that: described end cap middle part is provided with the first rectangular opening and the second rectangular opening, described pushing block and described end cap first rectangular opening and the second rectangular opening correspondence position are respectively arranged with the 3rd rectangular opening and the 4th rectangular opening, described end cap is arranged six positioning pinholes, in described locating hole, positioning needle is installed.
4. according to claim 1ly strut type Invasive lumbar fusion device, it is characterized in that: middle position, described fusion body tip-angled shape one end is provided with the second circular hole and the 3rd circular hole, two sides entreat position to be arranged with oval groove respectively wherein to described fusion body, and the centre position of described oval bottom portion of groove is provided with oval through hole.
5. according to claim 1ly strut type Invasive lumbar fusion device, it is characterized in that: the protruding two sides of wedge shape of described pushing block middle part are arranged with drops boss respectively, described drops boss middle position is arranged with the second screwed hole and the 3rd screwed hole respectively, the centre position of described pushing block top and bottom has dovetail groove, the inclined-plane of the wedge-shaped slot of described end cap middle part is provided with the dovetail shaped matched with described dovetail groove protruding.
6. according to claim 4ly strut type Invasive lumbar fusion device, it is characterized in that: under duty, described pushing block is respectively arranged with the 4th screwed hole and the 5th screwed hole in the position corresponding with described second circular hole and the 3rd circular hole, the axis of described 4th screwed hole and described second circular hole on the same line, the axis of described 5th screwed hole and described 3rd circular hole on the same line, a screw axis is separately installed with in described 4th screwed hole and in described 5th screwed hole, described screw axis is provided with the screw thread closed with described 4th screwed hole and the 5th corresponding threaded holes, described screw axis top is provided with the first cross recess.
7. according to claim 5ly strut type Invasive lumbar fusion device, it is characterized in that: in described second screwed hole and in the 3rd screwed hole, be separately installed with a sliding nail, described sliding nail comprises ailhead, rivet nut and nail tail, described ailhead top is provided with the second cross recess, described rivet nut is provided with closes screw thread with described second screwed hole and the 3rd corresponding threaded holes, and described nail tail is the cylinder that diameter is less than described rivet nut.
8. according to claim 5ly strut type Invasive lumbar fusion device, it is characterized in that: under duty, the one end deviating from jackscrew bottom described end cap in its surface between position be provided with two semicylinder grooves, described semicylinder groove extends to described wedge-shaped slot along the length direction of described end cap, described semicylinder groove matches with described screw axis, the centre position, bottom of described end cap two sides is respectively equipped with a groove, described groove longitudinal cross-section shape is arc near one end of jackscrew, the other end is wedge shape, described groove matches with described drops boss.
9. the type that the struts Invasive lumbar fusion device according to claim 1 or 4, is characterized in that: two sides of described fusion body are respectively equipped with a rectangular recess near the end of described rectangular boss, and the centre position bottom described rectangular recess is provided with rectangular through-hole.
10. according to claim 1ly strut type Invasive lumbar fusion device, it is characterized in that: the centre of the threaded portion of described jackscrew is provided with hexagon ring, the other end is provided with card-tight part, be connecting portion between described card-tight part and described threaded portion, the external diameter of described connecting portion is less than the external diameter of described threaded portion and described card-tight part.
CN201510903300.5A 2015-12-09 2015-12-09 Opening type interbody fusion cage CN105326587B (en)

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CN105326587B CN105326587B (en) 2017-05-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105853030A (en) * 2016-03-25 2016-08-17 广州军区广州总医院 Dilatable cervical vertebral fusion cage
CN106236330A (en) * 2016-08-22 2016-12-21 浙江康慈医疗科技有限公司 Dypass waist Invasive lumbar fusion device
CN106308982A (en) * 2016-08-22 2017-01-11 浙江康慈医疗科技有限公司 Lumbar interbody fusion cage

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Publication number Priority date Publication date Assignee Title
WO2000016711A2 (en) * 1998-09-21 2000-03-30 Meriwether Michael W Box cage for intervertebral body fusion
CN202235781U (en) * 2011-09-19 2012-05-30 苏州欣荣博尔特医疗器械有限公司 Expanding interbody fusion cage
US20130158669A1 (en) * 2012-02-13 2013-06-20 Arno Sungarian Expandable Self-Anchoring Interbody Cage for Orthopedic Applications
WO2014026041A2 (en) * 2012-08-08 2014-02-13 Robinson James C Expandable dlif cage assemblies and methods
CN104783935A (en) * 2015-04-21 2015-07-22 李鹏 Expandable interbody fusion cage
CN205359717U (en) * 2015-12-09 2016-07-06 胡桓宇 Type interbody fusion cage struts

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000016711A2 (en) * 1998-09-21 2000-03-30 Meriwether Michael W Box cage for intervertebral body fusion
CN202235781U (en) * 2011-09-19 2012-05-30 苏州欣荣博尔特医疗器械有限公司 Expanding interbody fusion cage
US20130158669A1 (en) * 2012-02-13 2013-06-20 Arno Sungarian Expandable Self-Anchoring Interbody Cage for Orthopedic Applications
WO2014026041A2 (en) * 2012-08-08 2014-02-13 Robinson James C Expandable dlif cage assemblies and methods
CN104783935A (en) * 2015-04-21 2015-07-22 李鹏 Expandable interbody fusion cage
CN205359717U (en) * 2015-12-09 2016-07-06 胡桓宇 Type interbody fusion cage struts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105853030A (en) * 2016-03-25 2016-08-17 广州军区广州总医院 Dilatable cervical vertebral fusion cage
CN106236330A (en) * 2016-08-22 2016-12-21 浙江康慈医疗科技有限公司 Dypass waist Invasive lumbar fusion device
CN106308982A (en) * 2016-08-22 2017-01-11 浙江康慈医疗科技有限公司 Lumbar interbody fusion cage

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