CN207821955U - A kind of Invasive lumbar fusion device for side approach surgical treatment lumbar spondyloiisthesis - Google Patents

Abstract

The utility model discloses a kind of Invasive lumbar fusion devices for side approach surgical treatment lumbar spondyloiisthesis,It includes support frame,Support frame upper and lower end face is equipped with blade up and down,Be also equipped in support frame can drive up and down blade along the axial distracted strutting assembly of intervertebral,And the driving normotopia moving assembly that blade is moved forward and backward along intervertebral horizontal direction up and down,Upper and lower blade has also each extended over lateral lobe,Lateral lobe is equipped with the mounting hole passed through for fixing glue,The fixing glue of top lateral lobe is from the bottom to top and inclination towards the rear penetrates has certain back pressure that lumbar spondyloiisthesis is contributed to reset the lumbar vertebrae of sliding,The fixing glue of lower part lateral lobe then from top to bottom penetrates forwards,The lumbar vertebrae for having Forward thrust to contribute to sliding lumbar vertebrae resets,The Invasive lumbar fusion device can both solve the problems, such as that intervertebral pitch problems can also solve displacement caused by the front and back sliding of lumbar vertebrae,And the Invasive lumbar fusion device is easy to operate,To grieved small caused by sufferer,It is safer reliable.

Description

A kind of Invasive lumbar fusion device for side approach surgical treatment lumbar spondyloiisthesis

Technical field

The utility model belongs to the Invasive lumbar fusion device technical field for the treatment of lumbar spondyloiisthesis, especially a kind of to be used for side approach The Invasive lumbar fusion device for treating lumbar spondyloiisthesis, can play the role of lumbar spondyloiisthesis strutting and reduction of spondylolisthesis.

Background technology

Invasive lumbar fusion device is applied to waist interbody fusion, plays an important roll to treatment discogenic pain.Currently, vertebra Between fusion can be implanted into intervertenral space between section vertebra above and below, by can bracing type Invasive lumbar fusion device such as China Patent No. be： Disclosed in the file of ZL201620502029.4, it includes fixed block and adjustable bracer to strut main body, the tail portion of adjustable bracer with Fixed block tail portion is hinged, and spreading mechanism adjusts adjustable bracer to strut intervertebral space, and the bone grafting in the intervertenral space of vertebra, effectively Restore disc height and intervertebral pore volume；But occurs for the front and back patient shifted for upper and lower section vertebra, when treatment, lead to Frequently with Posterior approach interbody fusion, Invasive lumbar fusion device enters intervertenral space from the way of escape, is fixed by upper and lower nail, to right The vertebra of front and back displacement has reset response；But there is, wound big to the damage of human body glass muscular soft tissues in way of escape interbody fusion The injuries such as greatly, bleeding is big.

As China Patent No. is：ZL201510451399.X's《Invasive lumbar fusion device for implantation vertebra》Wen Zhong is referred to Existing fusion device, front is with being only used for front, and side is with being only used for side, and in actual operation, side is with cannot substitute Front is used, and similarly, rear is used with cannot also substitute side or front.In order to reduce the expense of medical consumables, this document design A kind of Invasive lumbar fusion device that can be inserted into from the front, side and inclined surface of vertebra, though can be inserted into from side, it is also The front and back reset function shifted occurs without upper and lower section vertebra is adjusted, if to realize the function, it is still desirable to enter with rear The Invasive lumbar fusion device on road is with the use of realization.

Utility model content

It is a kind of for side approach surgical treatment lumbar spondyloiisthesis that in order to overcome the deficiencies of the prior art, the utility model provides Invasive lumbar fusion device, the Invasive lumbar fusion device have outer support and front and back reduction of spondylolisthesis effect to saving vertebra above and below.

To achieve the goals above, the technical solution adopted in the utility model is：A kind of side approach surgical treatment lumbar spondyloiisthesis Invasive lumbar fusion device, including ontology frame, support leaf and fixing glue, ontology frame include implantation end and aft end, are implanted into end and aft end Between connect to form the frame structure with hollow cavity by front side wall and back side wall, aft end be equipped with and hollow cavity join Logical bone grafting hole, support leaf are distributed in ontology frame upper and lower end face, and there is support leaf the centre bore with hollow cavity unicom, feature to exist In：The outer support structure and be sliding combined with driving two that driving support leaf is extended out towards upper and lower end face are sliding combined in ontology frame Support leaf distinguishes the reset movement structure of side wall facing forward and back side wall movement, and the hollow cavity includes being located at ontology frame upper and lower end face The installation cavity coordinated with support leaf is also distributed between two ports of upper and lower endface, matches with outer support structure for two ports at place The left and right inner wall of outer support track, the reset movement track with reset movement respective outer side edges closed, the support leaf and installation cavity is close Cooperation, supports the inner wall clearance fit up and down of leaf and installation cavity, and the support leaf is equipped with lateral lobe, side close to the side of ontology frame aft end Leaf is equipped with mounting hole, and the fixing glue towards rear side inclined upward is combined in the lateral lobe mounting hole of upper surface, is located at lower face Lateral lobe mounting hole in be combined with the inclined fixing glue of side-lower facing forward.Above-mentioned Invasive lumbar fusion device enters from upper and lower section vertebra side After intervertenral space, it can make support leaf is extended out towards upper and lower end face to strut by outer support structure, can also be driven by reset movement structure Two support leaves above and below dynamic do side wall facing forward, the movement of back side wall direction respectively in the horizontal direction, to the cunning for saving vertebra up and down Shifting has reset effect.

Further, the outer support structure includes outrigger bracket, and outrigger bracket is equipped with the conducting bar with outer support track sliding cooperation, outside The upper and lower end face of support is respectively equipped with 2 groups of abutting inclined-planes, and 2 groups of abutting inclined-planes are located on the right side of outrigger bracket left-hand end and outrigger bracket End, the respective 2 groups of abutting inclined-planes in upper and lower end face, which are tilted towards left-hand end, to be extended, and support leaf inner face is equipped with corresponding cooperation inclined-plane, Outrigger bracket is equipped with lever piece, and the aft end of lever piece and ontology frame forms screw thread and is screwed on cooperation, the abutting inclined-plane of outrigger bracket with The screw thread forward direction of lever piece is mobile and is abutted with cooperation inclined-plane and shifts dynamic formed outside driving support leaf and support leaf and extend out structure, the reset Moving structure includes reset cradle, and reset cradle also is provided with the conducting bar coordinated with reset movement track, and reset cradle is equipped with 2 groups Wedge block, is equipped with lozenges on 2 groups of wedge blocks, and 2 groups of lozenges are respectively respectively towards back side wall, front side wall direction and by a left side Side tilts extension to the right for side, and the inner face for supportting leaf is equipped with the inclined-plane convex block coordinated with respective lozenges, inclined-plane convex block Inclined-plane constitutes convex block mating surface, and convex block mating surface is contacted with lozenges, and reset cradle also is provided with the aft end with ontology frame The lever piece that screw thread is screwed on, two of upper and lower end face support leaves by lozenges is mobile with the forward screw thread of the lever piece with it is oblique Face convex block abuts that two support leaves of driving distinguish side wall facing forward, back side wall direction moves to form support leaf resetting structure.Above-mentioned outer support knot Structure realizes that support leaf extends out by the cooperation of the abutting inclined-plane of upper and lower end face, the abutting inclined-plane for abutting inclined-plane and lower face of upper surface by End face or lower face are formed slopely left-hand end upward for side to the right, and when the convolution of the lever piece of outrigger bracket, the support leaf extended out passes through Intervertebral squeezing action is saved up and down and realizes reset, and then front and rear sides tilt extension to the lozenges on reset cradle in the same direction, When outer power drive reset cradle is moved towards left-hand end, the support leaf of upper and lower end face is moved towards front side end and rear side end to upper and lower respectively Section vertebra plays sliding adjustment reset response.

Further, the reset cradle and outrigger bracket are in hollow frame structure, and reset cradle and outrigger bracket are presented The setting of lower stacking, the reset movement track and outer support track in be distributed up and down and respectively with the conducting bar of reset cradle, outrigger bracket Conducting bar adaptation, the left part and right part of the outrigger bracket be equipped with abutting block, it is described abut inclined-plane and be arranged abutting block At upper surface or lower face, the left part and right part of the reset cradle are equipped with wedge block, and the lozenges is arranged in wedge The left side or right side of shape block, the wedge block that the abutting block is located at left and right end portions is formed by within space, and abuts block There are gap between wedge block, which includes front end gap, rear end gap, left side gap and right side gap.On It is in stacked on top to state reset cradle and outrigger bracket, and the wedge block on reset cradle is located at outside and is convenient for side wall facing forward or back side wall Direction moves horizontally, and the abutting skewback on outrigger bracket is located inside, and there are gaps between abutting skewback and wedge block, i.e., It abuts between the front end and wedge block of skewback there are gap, abuts between the rear end of skewback and wedge block that also there are gaps, be convenient for Back-and-forth motion between the back-and-forth motion and reset cradle of the outrigger bracket is not interfere with each other.

Further, the trailing flank of the outrigger bracket is equipped with mounting hole, and the lever piece of outrigger bracket includes threaded portion and connection Connection axle portion one end of axle portion, outrigger bracket is fixed after the mounting hole of outrigger bracket through rivet, the connecting shaft other end of outrigger bracket It also is provided with mounting hole with the trailing flank of threaded portion integrally connected, the reset cradle, the lever piece of reset cradle includes threaded portion It is fixed through rivet after the mounting hole of outrigger bracket with connection axle portion one end of connection axle portion, reset cradle, the company of reset cradle The threaded portion integrally connected of the spindle other end and reset cradle, the aft end of ontology frame be equipped with 2 respectively with the operation of outrigger bracket The threaded hole of section, the lever piece screw-thread fit of reset cradle.Lever piece is connect by threaded portion with ontology frame, and lever piece passes through company Spindle portion and rivet are movably installed on outrigger bracket, and lever piece drives outrigger bracket to be moved forward and backward by screw thread rotation, reset cradle Ibid it is arranged with its lever piece mounting structure.

Further, the lateral lobe is additionally provided with the locking structure of fixing glue, and locking structure includes locking nail, and lateral lobe is equipped with can For the locking hole that locking nail accommodates, locking hole side wall part and mounting hole unicom, locking are followed closely one end and are turned through rivet across locking hole Dynamic to be connected on lateral lobe, the side of locking nail includes convex arc section and forms indent segmental arc through cutout, indent segmental arc be located at it is adjacent Mounting hole in fixation nail head side arcwall face adaptation and the indent segmental arc and fixed nail head side arcwall face it Between form clearance fit, the side arcwall face of the convex arc section of locking nail and fixed nail head forms squeezed tight cooperation.Positioned at upper The fixing glue at end is then inclined outwardly setting upward, and the fixing glue positioned at lower end is inclined outwardly setting downward, and inclined fixing glue is worn There is certain normotopia thrust trend when entering vertebra for the vertebra of displacement, then coordinates the Forward of support leaf or rear transposition whole with more preferable Normotopia effect be also provided with locking nail at the mounting hole of lateral lobe in order to avoid fixing glue loosens and it fastened, locking hole part With mounting hole unicom, i.e., the local segmental arc of locking hole and the local segmental arc of mounting hole form overlay region, and work as the complete of locking nail When convex arc section goes to overlay region, i.e., has to fixing glue and squeeze close-fitting effect, when the concave arc-shaped section of locking nail goes to overlay region, concave arc The cavity of section can just be passed through for fixing glue, therefore the locking structure can facilitate fixing glue to penetrate, can be by turning after penetrating Dynamic locking nail realizes close-fitting positioning action by its bulge loop section to fixing glue.

Further, the support leaf includes body construction, and body construction right-hand end bending, which faces upward or downward, extends to form institute Lateral lobe is stated, the left and right sides of body construction inner face is respectively equipped with to be formed with the right chamber of the left chamber of installation cavity, installation cavity and limit The left side positive stop strip and right side positive stop strip of cooperation, left side positive stop strip are of an L-shaped structure, left side positive stop strip and body construction inner face U-shaped limiting slot is formed between left side, installation cavity left chamber chamber interior walls are equipped with the positioning convex tendon coordinated with limiting slot, positioning convex tendon There are gaps, positioning convex tendon to match along the positioning of bone grafting hole axial direction with limiting slot formation between limiting slot upper end or lower end inner wall It closes.Support leaf is installed on by fin in the installation cavity of ontology frame, and support leaf front-end and back-end are fixed with the front and back chamber of installation cavity respectively Position cooperation.

Further, the support leaf includes body construction, and body construction right-hand end bending, which faces upward or downward, extends to form institute Lateral lobe is stated, the left and right sides of body construction inner face is respectively equipped with to be formed with the right chamber of the left chamber of installation cavity, installation cavity and limit The left side positive stop strip and right side positive stop strip of cooperation, left side positive stop strip are of an L-shaped structure, left side positive stop strip and body construction inner face U-shaped limiting slot is formed between left side, installation cavity left chamber chamber interior walls are equipped with the positioning convex tendon coordinated with limiting slot, positioning convex tendon There are gaps, positioning convex tendon to match along the positioning of bone grafting hole axial direction with limiting slot formation between limiting slot upper end or lower end inner wall It closes, the support leaf further includes the anti-skidding salient point structure being arranged in body construction end face outside, and anti-skidding salient point structure is in pyramid Shape is continuously distributed.Pyramid shape bump structure on support leaf can increase contact surface, play better antiskid effect.

Using the above scheme, in the utility model, which, which can both solve intervertebral pitch problems, to solve Certainly displacement problem caused by the front and back sliding of lumbar vertebrae, and the Invasive lumbar fusion device is easy to operate, it is small to the pain of injury caused by sufferer, more pacify It is complete reliable.

The utility model is further described below in conjunction with the accompanying drawings.

Description of the drawings

Attached drawing 1 is the utility model specific embodiment appearance assumption diagram；

Attached drawing 2 is the utility model specific embodiment Structure explosion diagram；

Attached drawing 3 is the utility model specific embodiment vertical view；

Attached drawing 4 is the A-A sectional views in the utility model specific embodiment attached drawing 3, it is shown that the inside of outer support structure is supported It connects inclined-plane and coordinates the counter structure on inclined-plane；

Attached drawing 5 is the utility model specific embodiment side view；

Attached drawing 6 is structural schematic diagram of the utility model specific implementation positioned at the support leaf inner face of ontology frame upper surface；

Attached drawing 7 is the stacked on top mounting structure of the reset movement structure and outer support structure of the utility model specific embodiment Schematic diagram；

Attached drawing 8 is the vertical view of the utility model specific embodiment ontology frame；

Attached drawing 9 is the C-C sectional views in the utility model specific embodiment attached drawing 8, it is shown that the installation inside ontology frame The distributed architecture of chamber, reset movement track, outer support track；

Attached drawing 10 is the enlarged drawing of local I in the utility model specific embodiment attached drawing 1；

Attached drawing 11 is the structural schematic diagram that the utility model specific embodiment is inserted between section vertebra up and down；

It is ontology frame 1, implantation end 11, aft end 12, bone grafting hole 121, threaded hole 122, front side wall 13, back side wall 14, hollow Cavity 15, port 151, installation cavity 152, reset movement track 153, outer support track 154,

Support leaf 2, centre bore 21, lateral lobe 22, mounting hole 221, cooperation inclined-plane 23, inclined-plane convex block 24, convex block mating surface 241, Left side positive stop strip 26, right side positive stop strip 27, locking hole 28, anti-skidding salient point structure 29, positioning convex tendon 1521, fixing glue 3,

Outer support structure：Outrigger bracket 4, conducting bar 41, abut inclined-plane 42, lever piece 44, threaded portion 441, rivet 442,

Reset movement structure：Reset cradle 5, conducting bar 51, Forward lozenges 52, rear shifting lozenges 53, lever piece 54, screw thread Portion 541, rivet 542,

Locking nail 6, convex arc section 61, indent segmental arc 62.

Specific implementation mode

Specific embodiment of the utility model is the Invasive lumbar fusion device of side approach surgical treatment lumbar spondyloiisthesis as shown in figs. 1-11, Including ontology frame 1, support leaf 2 and fixing glue 3, ontology frame 1 includes implantation end 11 and aft end 12, be implanted into end 11 and aft end 12 it Between by front side wall 13 and back side wall 14 connection formed with hollow cavity 15 frame structure, aft end 12 be equipped with it is hollow The bone grafting hole 121 of 15 unicom of cavity, support leaf 2 are distributed in the upper and lower end face of ontology frame 1, and support leaf 2 has and 15 unicom of hollow cavity Centre bore 21, driving support leaf 2 is sliding combined in ontology frame 1 upward or the outer support structure that extends out of lower face and sliding are matched Close have driving support 2 side wall 13 facing forward of leaf movement and return reset movement structure, hollow cavity 15 include be located at ontology frame 1 on, The installation cavity coordinated with support leaf 2 is also distributed between two ports 151 of upper and lower endface for two ports 151 at lower face 152, with the reset movement track 153 of the outer support track 154 and reset movement respective outer side edges of the cooperation of outer support structure, leaf 2 and peace are supportted The 152 left and right inner wall of behaveing affectedly is fitted close,（The left side being referred to herein or left end are implantation 11 direction of end, and right side or right end are For 12 direction of aft end, front side or front end refer to front side 13 direction of wall, and rear side or rear end are 14 direction of back side wall）, support leaf 2 and installation The inner wall clearance fit up and down of chamber 152, support leaf 2 are equipped with lateral lobe 22 close to the side of 1 aft end 12 of ontology frame, and lateral lobe 22 is equipped with solid Determine hole 221, the fixing glue 3 towards rear side inclined upward is combined in 22 mounting hole 221 of lateral lobe of upper surface, is located at lower face 22 mounting hole 221 of lateral lobe in be combined with the inclined fixing glue of side-lower facing forward 3.

Above-mentioned outer support structure includes outrigger bracket 4, and outrigger bracket 4 is equipped with the conducting bar 41 with outer support track 154 sliding cooperation, outer support The upper and lower end face of frame 4 is respectively equipped with 2 groups of 42,2 groups of abutting inclined-planes abutting inclined-plane 42 and is located at 4 left-hand end of outrigger bracket and outer support 4 right-hand end of frame, left-hand end upper and lower part have 2 abutting inclined-planes 42, right-hand end upper and lower part also to have 2 abutting inclined-planes 42, the abutting inclined-plane 42 of upper and lower end face respectively by left-hand end along right side extreme direction upward or downside tilts and extends to form, support leaf 2 Inner face is equipped with corresponding cooperation inclined-plane 23, and outrigger bracket 4 is equipped with lever piece 44, lever piece 44 and the aft end 12 of ontology frame 1 Threaded hole 122 forms screw thread and is screwed on cooperation, the abutting inclined-plane 42 with the screw thread forward direction movement of lever piece 44 of outrigger bracket 4 and with It closes inclined-plane 23 and abuts and shift the dynamic support leaf that formed outside driving support leaf 2 and extend out structure, abut inclined-plane 42 when outrigger bracket 4 is with lever piece 44 The rotation of instantaneous needle and when moving forward, outrigger bracket 4, which by it abuts inclined-plane 42 and squeezes the cooperation inclined-plane 23 of support 2 inner face of leaf, to be made Two support leaves 2 are obtained to continue to extend out upward, downward respectively, when outrigger bracket 4 is with 44 turning anticlockwise of lever piece, outrigger bracket 4 It abuts the support leaf 2 of inclined-plane 42 inwards to be moved back by the squeezing action of upper and lower section vertebra and retract origin-location, realizes time of support leaf 2 Position.

Above-mentioned reset movement structure includes reset cradle 5, what reset cradle 5 also was provided with coordinating with reset movement track 153 Conducting bar 51, reset cradle 5 are equipped with 2 groups of wedge blocks, and Forward lozenges 52 and rear shifting lozenges are respectively equipped on 2 groups of wedge blocks 53, move forward lozenges 52 and the rear lozenges 53 that moves are respectively facing back side wall 14,13 direction of front side wall, and move forward lozenges 52 with after It moves lozenges 53 and is tilted towards right-hand end by left-hand end and extended, before 4 wedge blocks in the present embodiment are located at reset cradle 5 On side wall and rear wall, the inner face of support leaf 2 is equipped with and respective Forward lozenges 52, the rear inclined convex moved lozenges 53 and coordinated The inclined-plane of block 24, inclined-plane convex block 24 constitutes convex block mating surface 241, and convex block mating surface 241 is contacted with lozenges 52, resets branch Frame 5 also is provided with the lever piece 54 being screwed on the aft end of ontology frame 1 12 another 122 screw thread of threaded hole, and upper and lower two supports leaf 2 is logical It crosses Forward lozenges 52 and the rear lozenges 53 that moves abuts drive with the forward screw thread movement of the lever piece 54 with inclined-plane convex block 24 Dynamic two supports leaves 2 distinguish side wall 13 facing forward, 13 direction of back side wall moves to form support leaf resetting structure.

Above-mentioned reset cradle 5 and outrigger bracket 4 are in hollow frame structure, and reset cradle 5 and outrigger bracket 4 are in stacked on top Setting, reset movement track 153 and outer support track 154 in be distributed up and down and respectively with the conducting bar of reset cradle 5 51, outrigger bracket 4 Conducting bar 41 be adapted to, the left part and right part of outrigger bracket 4 are equipped with abutting block, abut the setting of inclined-plane 42 on abutting block, multiple The lozenges of position holder 5 is arranged on wedge block, and the wedge block that abutting block is located at left and right end portions is formed by space inner, and supports Block is connect between wedge block there are gap, which includes that front end gap, rear end gap, left side gap and right side are empty Gap, the gap for support leaf 2 upper and lower extending out and reset movement provides mobile space backward forward.

The trailing flank of above-mentioned outrigger bracket 4 is equipped with mounting hole, and the lever piece 44 of outrigger bracket 4 includes threaded portion 441 and connecting shaft The connection axle portion one end in portion, outrigger bracket 4 is fixed after the mounting hole of outrigger bracket 4 through rivet 442, and the connecting shaft of outrigger bracket 4 is another One end and 441 integrally connected of threaded portion, the trailing flank of reset cradle 5 also are provided with mounting hole, and the lever piece 54 of reset cradle 5 includes Threaded portion 541 and connection axle portion, connection axle portion one end of lever piece 54 are solid through rivet 542 after the mounting hole of reset cradle 5 It is fixed, the other end and 541 integrally connected of threaded portion of the connection axle portion, the aft end 12 of ontology frame 1 be equipped with 2 respectively with outrigger bracket The threaded hole 122 of 4 lever piece 44,54 screw-thread fit of lever piece of reset cradle 5.

Above-mentioned lateral lobe 22 is additionally provided with the locking structure of fixing glue 3, and locking structure includes locking nail 6, lateral lobe 22 be equipped with for The locking hole 28 that locking nail 6 accommodates, 28 side wall of locking hole part and 221 unicom of mounting hole, locking follow closely 6 one end and pass through locking hole 28 It is rotationally connected on lateral lobe 22 through rivet, the side of locking nail 6 includes convex arc section 61 and forms indent segmental arc 62, indent through cutout Segmental arc 62 be adapted to the side arcwall face on 3 head of fixing glue in the adjacent mounting hole 221 and the indent segmental arc 62 with consolidate Surely it follows closely and forms clearance fit between the side arcwall face on 3 heads, the side arc of the convex arc section 61 and 3 head of fixing glue of locking nail 6 Shape face forms squeezed tight cooperation.

Above-mentioned support leaf 2 includes body construction, and lateral lobe 22 is faced upward or downward by body construction right-hand end bending and extended to form, this The left and right sides of body structure inner face is respectively equipped with forms limit cooperation with the right chamber of the left chamber of installation cavity 152, installation cavity 152 Left side positive stop strip 26 and right side positive stop strip 27, left side positive stop strip 26 be of an L-shaped structure, left side positive stop strip 26 and body construction inner end U-shaped limiting slot is formed between the left side in face, 152 left chamber chamber interior walls of installation cavity are equipped with the positioning convex tendon coordinated with limiting slot 1521, there are gap, positioning convex tendon 1521 and limit flute profiles between limiting slot upper end or lower end inner wall for positioning convex tendon 1521 At along the axial location fit in bone grafting hole 121.It further includes the anti-skidding salient point structure being arranged in body construction end face outside to support leaf 2 29, anti-skidding salient point structure 29 is continuously distributed in pyramid shape.

The utility model is not limited to above-mentioned specific implementation mode, and persons skilled in the art are according to the utility model public affairs The content opened, may be used other a variety of specific implementation modes implement it is the utility model or it is every use the utility model Design structure and thinking, do simple change or change, both fall within the scope of protection of the utility model.

Claims (10)

1. a kind of Invasive lumbar fusion device of side approach surgical treatment lumbar spondyloiisthesis, including ontology frame, support leaf and fixing glue, ontology frame include It is implanted into end and aft end, is implanted between end and aft end and connects to form the frame with hollow cavity by front side wall and back side wall Body structure, aft end are equipped with the bone grafting hole with hollow cavity unicom, and support leaf is distributed in ontology frame upper and lower end face, and support leaf has in The centre bore of cavity body unicom, it is characterised in that：The outer support that driving support leaf is extended out towards upper and lower end face is sliding combined in ontology frame Structure and be sliding combined with driving two support leaves distinguish side wall facing forward and back side wall movement reset movement structure, in described Cavity body includes two ports being located at ontology frame upper and lower end face, be also distributed between two ports of upper and lower endface with Installation cavity, the reset movement track with the outer support track and reset movement respective outer side edges of the cooperation of outer support structure for supportting leaf cooperation, institute The left and right inner wall for stating support leaf and installation cavity is fitted close, and supports the inner wall clearance fit up and down of leaf and installation cavity, and the support leaf is close The side of ontology frame aft end is equipped with lateral lobe, and lateral lobe is equipped with mounting hole, is combined with backwards in the lateral lobe mounting hole of upper surface The fixing glue of side inclined upward is combined with the inclined fixing glue of side-lower facing forward in the lateral lobe mounting hole of lower face.

2. the Invasive lumbar fusion device of approach surgical treatment lumbar spondyloiisthesis in side according to claim 1, it is characterised in that：The outer support Structure includes outrigger bracket, and outrigger bracket is equipped with the conducting bar with outer support track sliding cooperation, and the upper and lower end face of outrigger bracket is respectively equipped with 2 groups Inclined-plane is abutted, 2 groups of abutting inclined-planes are located at outrigger bracket left-hand end and outrigger bracket right-hand end, the respective 2 groups of abuttings in upper and lower end face Inclined-plane, which is tilted towards left-hand end, to be extended, and support leaf inner face is equipped with corresponding cooperation inclined-plane, and outrigger bracket is equipped with lever piece, lever piece with The aft end of ontology frame forms screw thread and is screwed on cooperation, the abutting inclined-plane with the screw thread forward direction movement of lever piece of outrigger bracket and with It closes inclined-plane and abuts and shift the dynamic support leaf that formed outside driving support leaf and extend out structure, the reset movement structure includes reset cradle, is resetted Holder also is provided with the conducting bar coordinated with reset movement track, and reset cradle is equipped with 2 groups of wedge blocks, is equipped on 2 groups of wedge blocks Lozenges, 2 groups of lozenges difference are respectively extended towards back side wall, front side wall direction and by left-hand end side inclination to the right, support The inner face of leaf is equipped with the inclined-plane convex block coordinated with respective lozenges, and the inclined-plane of inclined-plane convex block constitutes convex block mating surface, convex block Mating surface is contacted with lozenges, and reset cradle also is provided with the lever piece being screwed on the aft end screw thread of ontology frame, upper and lower side Two support leaves in face abut two support leaves of driving with inclined-plane convex block by lozenges with the forward screw thread movement of the lever piece Side wall facing forward, back side wall direction move to form support leaf resetting structure respectively.

3. the Invasive lumbar fusion device of approach surgical treatment lumbar spondyloiisthesis in side according to claim 2, it is characterised in that：The reset Holder and outrigger bracket are in hollow frame structure, and reset cradle and outrigger bracket are arranged in stacked on top, the complex displacement dynamic rail Road and outer support track are adapted in distribution up and down and with the conducting bar of the conducting bar of reset cradle, outrigger bracket, a left side for the outrigger bracket respectively End and right part are equipped with abutting block, and the inclined-plane that abuts is arranged at the upper surface or lower face for abutting block, the reset The left part and right part of holder are equipped with wedge block, and the lozenges is arranged in the left side or right side of wedge block, described The wedge block that abutting block is located at left and right end portions is formed by within space, and there are gaps between wedge block for abutting block, should Gap includes front end gap, rear end gap, left side gap and right side gap.

4. the Invasive lumbar fusion device of the side approach surgical treatment lumbar spondyloiisthesis according to claim 1-3 any one, feature exist In：The trailing flank of the outrigger bracket is equipped with mounting hole, and the lever piece of outrigger bracket includes threaded portion and connection axle portion, the company of outrigger bracket Spindle portion one end is fixed after the mounting hole of outrigger bracket through rivet, and the connecting shaft other end of outrigger bracket integrally connects with threaded portion It connects, the trailing flank of the reset cradle also is provided with mounting hole, and the lever piece of reset cradle includes threaded portion and connection axle portion, is resetted Connection axle portion one end of holder is fixed after the mounting hole of outrigger bracket through rivet, the connecting shaft other end and the reset of reset cradle The aft end of the threaded portion integrally connected of holder, ontology frame is equipped with 2 operations with the lever piece of outrigger bracket, reset cradle respectively The threaded hole of section screw-thread fit.

5. the Invasive lumbar fusion device of the side approach surgical treatment lumbar spondyloiisthesis according to claim 1-3 any one, feature exist In：The lateral lobe is additionally provided with the locking structure of fixing glue, and locking structure includes locking nail, and lateral lobe is equipped with for locking nail receiving Locking hole, locking hole side wall part and mounting hole unicom, locking are followed closely one end and are rotationally connected on lateral lobe through rivet across locking hole, The side of locking nail includes convex arc section and forms indent segmental arc, indent segmental arc and the fixation in adjacent mounting hole through cutout The side arcwall face of nail head is adapted to and forms clearance fit between the indent segmental arc and the side arcwall face of fixed nail head, locks The side arcwall face of the convex arc section of non-magnetic shim and fixed nail head forms squeezed tight cooperation.

6. the Invasive lumbar fusion device of approach surgical treatment lumbar spondyloiisthesis in side according to claim 4, it is characterised in that：The lateral lobe It is additionally provided with the locking structure of fixing glue, locking structure includes locking nail, and lateral lobe is equipped with the locking hole accommodated for locking nail, locking Hole side wall part and mounting hole unicom, locking are followed closely one end and are rotationally connected on lateral lobe through rivet across locking hole, the side of locking nail While including convex arc section and forming indent segmental arc, the side of indent segmental arc and the fixation nail head in adjacent mounting hole through cutout Side arcwall face is adapted to and forms clearance fit, the convex arc of locking nail between the indent segmental arc and the side arcwall face of fixed nail head The side arcwall face of section and fixed nail head forms squeezed tight cooperation.

7. the Invasive lumbar fusion device of the side approach surgical treatment lumbar spondyloiisthesis according to claim 1-3 any one, feature exist In：The support leaf includes body construction, and body construction right-hand end bending, which faces upward or downward, extends to form the lateral lobe, body construction The left and right sides of inner face is respectively equipped with the left side positive stop strip that limit cooperation is formed with the right chamber of the left chamber of installation cavity, installation cavity With right side positive stop strip, left side positive stop strip is of an L-shaped structure, and U is formed between left side positive stop strip and the left side of body construction inner face The limiting slot of type, installation cavity left chamber chamber interior walls are equipped with the positioning convex tendon coordinated with limiting slot, and positioning convex tendon is apart from limiting slot upper end Or there are gaps, positioning convex tendon, and the location fit along bone grafting hole axial direction is formed with limiting slot between lower end inner wall.

8. the Invasive lumbar fusion device of approach surgical treatment lumbar spondyloiisthesis in side according to claim 4, it is characterised in that：The support leaf Including body construction, body construction right-hand end bending, which faces upward or downward, extends to form the lateral lobe, a left side for body construction inner face Right side is respectively equipped with left side positive stop strip and the right side limit that limit cooperation is formed with the right chamber of the left chamber of installation cavity, installation cavity Item, left side positive stop strip are of an L-shaped structure, and U-shaped limiting slot is formed between left side positive stop strip and the left side of body construction inner face, Installation cavity left chamber chamber interior walls are equipped with the positioning convex tendon that coordinates with limiting slot, positioning convex tendon apart from limiting slot upper end or lower end inner wall it Between there are gap, positioning convex tendon forms the location fit along bone grafting hole axial direction with limiting slot.

9. the Invasive lumbar fusion device of approach surgical treatment lumbar spondyloiisthesis in side according to claim 5, it is characterised in that：The support leaf Including body construction, body construction right-hand end bending, which faces upward or downward, extends to form the lateral lobe, a left side for body construction inner face Right side is respectively equipped with left side positive stop strip and the right side limit that limit cooperation is formed with the right chamber of the left chamber of installation cavity, installation cavity Item, left side positive stop strip are of an L-shaped structure, and U-shaped limiting slot is formed between left side positive stop strip and the left side of body construction inner face, Installation cavity left chamber chamber interior walls are equipped with the positioning convex tendon that coordinates with limiting slot, positioning convex tendon apart from limiting slot upper end or lower end inner wall it Between there are gap, positioning convex tendon forms the location fit along bone grafting hole axial direction with limiting slot.

10. the Invasive lumbar fusion device of approach surgical treatment lumbar spondyloiisthesis in side according to claim 6, it is characterised in that：The support Leaf includes body construction, and body construction right-hand end bending, which faces upward or downward, extends to form the lateral lobe, body construction inner face Left and right sides is respectively equipped with the left side positive stop strip and right side limit that limit cooperation is formed with the right chamber of the left chamber of installation cavity, installation cavity Position item, left side positive stop strip are of an L-shaped structure, and U-shaped limit is formed between left side positive stop strip and the left side of body construction inner face Slot, installation cavity left chamber chamber interior walls are equipped with the positioning convex tendon coordinated with limiting slot, and positioning convex tendon is in limiting slot upper end or lower end There are gap between wall, positioning convex tendon forms the location fit along bone grafting hole axial direction with limiting slot, and the support leaf further includes setting Anti-skidding salient point structure in body construction end face outside, anti-skidding salient point structure are continuously distributed in pyramid shape.