CN109820627A - A kind of extensible Invasive lumbar fusion device - Google Patents
A kind of extensible Invasive lumbar fusion device Download PDFInfo
- Publication number
- CN109820627A CN109820627A CN201910276216.3A CN201910276216A CN109820627A CN 109820627 A CN109820627 A CN 109820627A CN 201910276216 A CN201910276216 A CN 201910276216A CN 109820627 A CN109820627 A CN 109820627A
- Authority
- CN
- China
- Prior art keywords
- plate
- fusion plate
- fusion
- front lower
- hinged shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000004927 fusion Effects 0.000 title claims abstract description 348
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000002513 implantation Methods 0.000 claims description 19
- 239000011120 plywood Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 abstract description 5
- 238000011105 stabilization Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 11
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 229910001069 Ti alloy Inorganic materials 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 206010058907 Spinal deformity Diseases 0.000 description 1
- 208000020307 Spinal disease Diseases 0.000 description 1
- 208000007103 Spondylolisthesis Diseases 0.000 description 1
- 229910000883 Ti6Al4V Inorganic materials 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 210000000273 spinal nerve root Anatomy 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to Invasive lumbar fusion device the field of medical instrument technology, specifically a kind of extensible Invasive lumbar fusion device, its feature is in the Invasive lumbar fusion device by front lower fusion plate, left drawing plate, preceding upper fusion plate, it is upper afterwards to merge plate, it is lower afterwards to merge plate, pushing block, connecting rod composition, the front lower fusion plate, preceding upper fusion plate, it is upper afterwards to merge plate, lower fusion plate difference is L-shaped afterwards, the front lower fusion plate of the L-type, preceding upper fusion plate, it is upper afterwards to merge plate, middle part, which is formed, after lower fusion plate mutually fastens afterwards promotes chamber, the connecting rod is by upper connecting rod, lower link, front rod and back link composition, with the distracting force using Invasive lumbar fusion device, restore vertebra section height and tension, it realizes and releases compressing, restore vertebra physiological camber, Invasive lumbar fusion device Bony union, ensure spinal stabilization the advantages that.
Description
Technical field
The present invention relates to Invasive lumbar fusion device the field of medical instrument technology, specifically a kind of support using Invasive lumbar fusion device
Opening force, restore vertebra section height and tension, realize release compressing, restore vertebra physiological camber, Invasive lumbar fusion device Bony union,
Ensure the extensible Invasive lumbar fusion device of spinal stabilization.
Background technique
It is well known that backbone retrogression is common on Orthopedic Clinical, degeneration of intervertebral disc common are, spinal canal stenosis,
Spondylolisthesis, oppressing spinal cord or nerve root person often needs operative treatment, thoroughly releases compressing, restores vertebra physiological camber, ensures ridge
Column is stablized.Another part deformity of spine, wound, tumour, reprocess operation and infected patient sometimes and also need row interbody fusion with
Stablize lumbar motion segment.Invasive lumbar fusion device has a better effect for the above spinal disease, easy to operate, easy to use, fusion
Rate is high, the complication of no bone grafting fusion, through it is commonly used with it is clinical, but existing Invasive lumbar fusion device stability is not high
Defect.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, provide a kind of distracting force using Invasive lumbar fusion device,
Restore vertebra section height and tension, realize release compressing, restore vertebra physiological camber, Invasive lumbar fusion device Bony union, ensure
The extensible Invasive lumbar fusion device of spinal stabilization.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of extensible Invasive lumbar fusion device, feature is in the Invasive lumbar fusion device by front lower fusion plate, left drawing plate, preceding upper fusion
Plate, rear upper fusion plate, rear lower fusion plate, pushing block, connecting rod composition, the front lower fusion plate, preceding upper fusion plate, rear upper fusion
Plate, rear lower fusion plate difference are L-shaped, the front lower fusion plate of the L-type, preceding upper fusion plate, afterwards upper fusion plate, rear lower fusion plate
Middle part, which is formed, after mutually fastening promotes chamber, and the connecting rod is made of upper connecting rod, lower link, front rod and back link, described
The left end of front lower fusion plate is equipped with left drawing plate, and the left drawing plate is mutually perpendicular to and is equipped at middle part lead with the front lower plate that merges
Screw hole is drawn, the drawing screw hole and propulsion chamber are interconnected, before the leading flank of the front lower fusion plate, preceding upper fusion plate
Side is corresponding to be equipped with hinged shaft, and the hinged shaft between the front lower fusion plate and preceding upper fusion plate, which is equipped with, makes front lower fusion
The front rod of certain distance being hinged with hinged shaft, the upside of the preceding upper fusion plate are propped up between plate and preceding upper fusion plate
Face, the upper side of rear upper fusion plate are corresponding equipped with hinged shaft, the preceding upper hinged shaft merged between plate, rear upper fusion plate
It is equipped with the upper connecting rod being hinged with hinged shaft for propping up certain distance before making between upper fusion plate and rear upper fusion plate, after described
The trailing flank of upper fusion plate, rear lower fusion plate trailing flank it is corresponding be equipped with hinged shaft, the rear upper fusion plate, afterwards under melt
Hinged shaft between plywood, which is equipped with, props up being hinged with hinged shaft for certain distance between upper fusion plate and rear lower fusion plate after making
Back link, downside, the downside of front lower fusion plate of the rear lower fusion plate are corresponding equipped with hinged shaft, after described
Lower fusion plate, front lower fusion plate hinged shaft be equipped with make after prop up certain distance between lower fusion plate and front lower fusion plate with hinge
The lower link that axis is hinged, the front rod, upper connecting rod, back link and lower link tilt respectively with it is front lower merge plate, it is preceding on
Fusion plate, rear upper fusion plate mutually stagger connection between rear lower fusion plate and make front lower fusion plate, preceding upper fusion plate, rear above merge
It is in holding state, the front lower fusion plate, preceding upper fusion plate, afterwards upper fusion plate, rear lower fusion plate between plate, rear lower fusion plate
The propulsion that middle part is formed after mutually fastening is intracavitary to be equipped with pushing block, is equipped with strip-shaped hole, the bar shaped in the middle part of the pushing block
Implantation holder is equipped in hole, putting in strip-shaped hole for the implantation holder is connected with the drawing screw hole in left drawing plate, then
By implantation holder push pushing block pushing block is forced into promote it is intracavitary realize front lower fusion plate, preceding upper fusion plate, afterwards on
Four-way between plate, rear lower fusion plate is merged to open.
Implantation holder of the present invention is made of handle, stayed pole, pushing ram, propulsion knob, and pushing ram is set as tubulose,
The right end of the handle is connected with stayed pole, and the left part of stayed pole is set to the drawing screw thread matched with left drawing block,
The right part of the front tension bar, which is equipped with, promotes screw thread, and the outer sheath of the propulsion screw thread is equipped with propulsion knob, promotes rotation
Button is connected through a screw thread with stayed pole, and the left end of the propulsion knob is connected with the pushing ram being socketed on the outside of stayed pole,
It promotes knob to reduce pushing ram left part by rotation to realize between left drawing plate and pushing block at a distance from stayed pole left part
Distance.
The diameter of pushing ram of the present invention is greater than the diameter of the strip-shaped hole of pushing block, contradicts pushing ram in pushing block
Side is promoted.
It is the leading flank of upper fusion plate and upper side, the trailing flank of rear upper fusion plate and upper side before of the present invention, preceding
Upper fusion plate before the leading flank of lower fusion plate and the hinged shaft of downside, the trailing flank of rear lower fusion plate and downside are respectively provided at
Leading flank and upper side, the trailing flank of rear upper fusion plate and upper side, the leading flank of front lower fusion plate and downside, rear lower fusion
In the escape groove being respectively equipped on the trailing flank and downside of plate, the escape groove is set as V-type, the adjacent V-groove
Be centrosymmetric arrangement, and front rod, upper connecting rod, back link and the lower link after making inclination are connected in the V-groove of split.
Front rod of the present invention, upper connecting rod, back link and lower link both ends be respectively equipped with connecting hole, the hinge
Axis is set as hollow shape, passes through squeeze to the hinged shaft of stretching after connecting hole by hinged shaft and turn over time, by straight tube hinged shaft squeeze for
Connecting-rod inclined chamfering fit-state, to realize Anti-extrusion.
Upper fusion plate is equipped with the clamping groove that is connected with right end on the inside of the back side panel of rear lower fusion plate after of the present invention,
The trailing flank right end of the pushing block is equipped with the clamping bump matched with clamping groove, passes through clamping groove and clamping bump
It is cooperatively connected and realizes fusion device and pushing block stable connection after strutting.
Front lower fusion plate of the present invention, preceding upper fusion plate, rear upper fusion plate, rear lower fusion plate are held tightly on before state is
The right end that the right end of fusion device stretches out front lower fusion device tilts front rod towards upper right, and the right end of rear upper fusion device stretches out
The right end of preceding upper fusion device tilts upper connecting rod towards rear right direction, the right end of rear lower fusion device be located at front lower fusion device right end and
Back link is tilted towards upper right inclination, lower link towards rear right direction between upper fusion device right end afterwards, passes through pushing block
Strut effect by front rod, upper connecting rod, back link and lower link rotation in it is front lower merge plate, preceding upper fusion plate, afterwards on melt
Plywood, rear lower fusion plate are in vertical state.
The upper side of front lower fusion plate of the present invention, the upper side of preceding upper fusion plate, rear upper fusion plate downside,
Be respectively equipped with zigzag boss on the downside of lower fusion plate afterwards, guarantee front lower fusion plate, preceding upper fusion plate, it is rear above merge plate,
Stability fixed between lower fusion plate and intervertebral afterwards, prevents from slipping.
Pushing block of the present invention is equipped with the plant hole entered for Bony union material, facilitates the fusion device and intervertebral
Bony union.
Clamping groove and clamping bump of the present invention can be set as pawl or arc convex respectively or other are able to achieve card
The shape connect prevents from slipping.
The present invention due to the Invasive lumbar fusion device by front lower fusion plate, left drawing plate, preceding upper fusion plate, rear upper fusion plate, after
Lower fusion plate, pushing block, connecting rod composition, the front lower fusion plate, preceding upper fusion plate, rear upper fusion plate, rear lower fusion plate point
It is not L-shaped, middle part after the front lower fusion plate of the L-type, preceding upper fusion plate, rear upper fusion plate, rear lower fusion plate mutually fasten
It is formed and promotes chamber, the connecting rod is made of upper connecting rod, lower link, front rod and back link, a left side for the front lower fusion plate
End is equipped with left drawing plate, and the left drawing plate is mutually perpendicular to and is equipped at middle part pull screw hole with the front lower plate that merges, described
It is equipped with strip-shaped hole in the middle part of pushing block, implantation holder is equipped in the strip-shaped hole, the implantation holder is put in strip-shaped hole
Be connected with the drawing screw hole in left drawing plate, then by implantation holder push pushing block by pushing block be forced into promote it is intracavitary
Realize that front lower fusion plate, preceding upper fusion plate, rear upper fusion plate, four-way is opened between rear lower fusion plate, is had and is utilized intervertebral fusion
The distracting force of device, restore vertebra section height and tension, realize release compressing, restore vertebra physiological camber, Invasive lumbar fusion device bone
Property fusion, ensure spinal stabilization the advantages that.
Detailed description of the invention
Fig. 1 is the structural schematic diagram before of the invention strut, wherein 1-1 is the main view before strutting, and 1-2 is before strutting
Top view,
Fig. 2 is the structural schematic diagram after of the invention strut, wherein 2-1 is the main view after strutting, and 2-2 is bowing after strutting
View.
Fig. 3 is the structural schematic diagram of front lower fusion plate in the present invention, and wherein 3-1 is perspective view, and 3-2 is the vertical of other direction
Body figure.
Fig. 4 is the structural schematic diagram of preceding upper fusion plate in the present invention, and wherein 4-1 is perspective view, and 4-2 is the vertical of other direction
Body figure.
Fig. 5 is the structural schematic diagram of rear upper fusion plate in the present invention, wherein 5-1 is perspective view, and 5-2 is other direction
Perspective view.
Fig. 6 is the structural schematic diagram of rear lower fusion plate in the present invention, wherein 6-1 is perspective view, and 6-2 is other direction
Perspective view.
Fig. 7 is the structural schematic diagram of pushing block in the present invention, wherein 7-1 is perspective view, and 7-2 is the solid of other direction
Figure.
Fig. 8 is the structural schematic diagram of connecting rod in the present invention, wherein 8-1 is the structural schematic diagram of front rod and back link, 8-
2 be the structural schematic diagram of upper connecting rod and lower link.
Fig. 9 is the structural schematic diagram that holder is implanted into the present invention.
Specific embodiment
The following further describes the present invention with reference to the drawings:
As shown in the picture, a kind of extensible Invasive lumbar fusion device, feature is in the Invasive lumbar fusion device by front lower fusion plate 1, Zuo Qian
Pulling plate 2, preceding upper fusion plate 3, rear upper fusion plate 4, rear lower fusion plate 5, pushing block 6, connecting rod 7 form, the front lower fusion plate
1, preceding upper fusion plate 3, rear upper fusion plate 4, rear lower fusion plate 5 distinguish L-shaped, described L-type front lower fusion plate 1, it is preceding on melt
Middle part, which is formed, after plywood 3, rear upper fusion plate 4, rear lower fusion plate 5 mutually fasten promotes chamber, the connecting rod 7 by upper connecting rod, under
Connecting rod, front rod and back link composition, the left end of the front lower fusion plate 1 are equipped with left drawing plate 2, the left drawing plate 2
It is mutually perpendicular to and is equipped at middle part pull screw hole 8 with the front lower plate 1 that merges, the drawing screw hole 8 and propulsion chamber are interconnected, institute
The leading flank for the front lower fusion plate 1 stated, the leading flank of preceding upper fusion plate 3 are corresponding equipped with hinged shaft 9, the front lower fusion
Hinged shaft 9 between plate 1 and preceding upper fusion plate 3, which is equipped with, to be made to prop up certain distance between front lower fusion plate 1 and preceding upper fusion plate 3
The front rod being hinged with hinged shaft 9, upper side, the upper side of rear upper fusion plate 4 of the preceding upper fusion plate 3 are corresponding
Equipped with hinged shaft 9, the hinged shaft 9 between the described preceding upper fusion plate 3, rear upper fusion plate 4 be equipped with before making upper fusion plate 3 and it is rear on melt
Prop up the upper connecting rod of certain distance being hinged with hinged shaft 9 between plywood 4, the trailing flank of the rear upper fusion plate 4, it is rear under melt
The trailing flank of plywood 5 is corresponding to be equipped with hinged shaft 9, sets on the hinged shaft 9 between the rear upper fusion plate 4, rear lower fusion plate 5
There is the back link being hinged with hinged shaft 9 for propping up certain distance after making between upper fusion plate 4 and rear lower fusion plate 5, after described
The downside of lower fusion plate 5, front lower fusion plate 1 downside it is corresponding be equipped with hinged shaft 9, it is the rear lower fusion plate 5, preceding
The hinged shaft 9 of lower fusion plate 1, which is equipped with after making, props up cutting with scissors with 9 phase of hinged shaft for certain distance between lower fusion plate 5 and front lower fusion plate 1
The lower link connect, the front rod, upper connecting rod, back link and lower link tilt respectively merges plate 1, preceding upper fusion plate with front lower
3, connection is mutually staggered between rear upper fusion plate 4, rear lower fusion plate 5 makes front lower fusion plate 1, preceding upper fusion plate 3, rear above fusion plate
4, be in holding state between rear lower fusion plate 5, the front lower fusion plate 1, preceding upper fusion plate 3, rear upper fusion plate 4, afterwards under melt
The propulsion that middle part is formed after plywood 5 mutually fastens is intracavitary to be equipped with pushing block 6, is equipped with strip-shaped hole 10, institute in the middle part of the pushing block 6
Implantation holder, the drawing of the implantation holder put in strip-shaped hole 10 and in left drawing plate 2 are equipped in the strip-shaped hole 10 stated
Screw hole 8 is connected, then pushes pushing block 6 to be forced into pushing block 6 by implantation holder and promote the intracavitary front lower fusion plate of realization
1, preceding upper fusion plate 3, rear upper fusion plate 4, four-way is opened between rear lower fusion plate 5, the implantation holder is by handle 11, drawing
Bar 12, promotes knob 14 to form at pushing ram 13, and pushing ram 13 is set as tubulose, right end and 12 phase of stayed pole of the handle 11
Connection, the left part of stayed pole 12 are set to the drawing screw thread matched with left drawing block, and the right part of the front tension bar is equipped with
Screw thread is promoted, the outer sheath of the propulsion screw thread, which is equipped with, promotes knob 14, and knob 14 and stayed pole 12 is promoted to pass through screw thread
Connection, the left end of the propulsion knob 14 are connected with the pushing ram 13 for being socketed in 12 outside of stayed pole, are promoted by rotation
Knob 14 reduce 13 left part of pushing ram realized at a distance from 12 left part of stayed pole between left drawing plate 2 and pushing block 6 away from
From the diameter of the pushing ram 13 is greater than the diameter of the strip-shaped hole 10 of pushing block 6, contradicts pushing ram 13 in 6 side of pushing block
Face is promoted, the leading flank and upper side of the described preceding upper fusion plate 3, the trailing flank of rear upper fusion plate 4 and upper side, front lower
The hinged shaft 9 of the leading flank and downside, the trailing flank of rear lower fusion plate 5 and downside that merge plate 1 is upper before being respectively provided to merge plate 3
Leading flank and upper side, the trailing flank of rear upper fusion plate 4 and upper side, the leading flank of front lower fusion plate 1 and downside, it is rear under
It merges in the escape groove 15 being respectively equipped on the trailing flank and downside of plate 5, the escape groove 15 is set as V-type, the phase
Adjacent V-groove is centrosymmetric arrangement, and front rod, upper connecting rod, back link and lower link after tilting is made to be connected to the V-type of split
In slot, the front rod, upper connecting rod, back link and lower link both ends be respectively equipped with connecting hole, the hinged shaft 9 is set as empty
Heart shaped is passed through squeeze to the hinged shaft 9 of stretching after connecting hole and be turned over time by hinged shaft 9, is and connecting-rod inclined by the extruding of straight tube hinged shaft
Chamfering fit-state, to realize Anti-extrusion, right end is set on the inside of the back side panel of the rear upper fusion plate 4 and rear lower fusion plate 5
There is the clamping groove 16 that is connected, the trailing flank right end of the pushing block 6 is equipped with the clamping bump matched with clamping groove 16
17, it is cooperatively connected by clamping groove 16 and clamping bump 17 and realizes the fusion device after strutting and 6 stable connection of pushing block, it is described
Front lower fusion plate 1, preceding upper fusion plate 3, rear upper fusion plate 4, the right end that rear lower fusion 5 holding state of plate is preceding upper fusion device stretch
The right end of front lower fusion device tilts front rod towards upper right out, the right side of upper fusion device before the right end of rear upper fusion device stretches out
End tilts upper connecting rod towards rear right direction, and the right end of rear lower fusion device is located at front lower fusion device right end and afterwards upper fusion device right end
Between tilt back link towards rear right direction towards upper right inclination, lower link, by pushing block 6 strut effect will before
Connecting rod, upper connecting rod, back link and lower link rotation in it is front lower merge plate 1, preceding upper fusion plate 3, it is rear upper merge plate 4, afterwards under melt
In vertical state, the upper side of the front lower fusion plate 1, above merges under plate 4 the preceding upper upper side for merging plate 3 plywood 5 afterwards
Side, rear lower fusion plate 5 downside on be respectively equipped with zigzag boss 18, guarantee front lower fusion plate 1, preceding upper fusion plate 3, after
Upper fusion plate 4, rear lower stability fixed between fusion plate 5 and intervertebral, prevent from slipping, the pushing block 6 is equipped with for bone
Property the plant hole 19 that enters of integrating materials, facilitate the fusion device and intervertebral Bony union, the clamping groove 16 and clamping are convex
Block 17 can be set as pawl or arc convex respectively or other are able to achieve the shape of clamping, prevent from slipping, propulsion of the present invention
It is respectively equipped with bar shaped springhole on rear side of the upper side of block and downside, facilitates the clamping boss on pushing block to be inserted into and promotes groove
It is interior.
In the use of the present invention, first by front lower fusion plate 1, left drawing plate 2, preceding upper fusion plate 3, rear upper fusion plate 4, after
Lower fusion plate 5, pushing block 6, connecting rod 7 are assembled, the front lower fusion plate 1, preceding upper fusion plate 3, rear upper fusion plate 4, after
The lower hinged shaft 9 that is respectively equipped with of fusion plate 5 is the flange axis that presses, upper connecting rod, lower link, front rod and back link both ends set respectively
Press flanging bore, and fusion plate and connecting rod 7 are assembled by the flange constraint that presses, and is stabilized in connecting rod 7 on fusion plate, and connecting rod
7 can carry out axial-rotation by the shaft hole matching that presses, the front lower fusion plate 1, preceding upper fusion plate 3, it is rear upper merge plate 4,
The right end that lower fusion 5 holding state of plate stretches out front lower fusion device for the right end of preceding upper fusion device afterwards makes front rod towards upper right
Inclination, the right end that the right end of rear upper fusion device stretches out preceding upper fusion device tilt upper connecting rod towards rear right direction, descend fusion device afterwards
Right end be located between front lower fusion device right end and afterwards upper fusion device right end and make back link towards upper right inclination, lower link court
Right direction tilts backward, when being strutted, stayed pole 12 in implantation holder is put in the strip-shaped hole 10 of pushing block 6 and is led with a left side
Pulling plate 2 is connected, and then promotes knob 14 to reduce 13 left part of pushing ram by rotation real at a distance from 12 left part of stayed pole
Existing the distance between left drawing plate 2 and pushing block 6, then during pushing block 6 gradually promotes, connecting rod 7 along press axis into
Row rotary expansion is melted the rotation of front rod, upper connecting rod, back link and lower link in front lower by the effect that struts of pushing block 6
In vertical state, pushing block 6 can be to fusion plate after promoting for plywood 1, preceding upper fusion plate 3, rear upper fusion plate 4, rear lower fusion plate 5
It plays a supporting role, the pushing block 6 is equipped with clamping bump 17, and fusion plate is equipped with the clamping matched with clamping bump 17
Groove 16, after pushing block 6 promotes, 17 clamping groove 16 of clamping bump cooperates, to prevent pushing block 6 from fusion plate
Middle abjection realizes that strut fusion device gradually struts effect, it is of the invention in upper connecting rod and lower link be set to short connecting rod 7,
Front rod and back link are set to long connecting rod 7, and the fusion plate, drawing be fast, connecting rod, to promote block of material can be titanium alloy
(Ti6Al4V), Peek(polyether-ether-ketone), ultra high molecular polyethylene etc. close to sclerotin elasticity modulus, be easy to merge with human body bone
Material, product fusion plate and connecting rod are titanium alloy when use, and pushing block can be Peek(polyether-ether-ketone)；Product merges plate and connecting rod
For Peek(polyether-ether-ketone) pushing block can be the combined applications such as titanium alloy, or product fusion plate and connecting rod are titanium alloy when use,
Pushing block can be ultra high molecular polyethylene；It is Peek(polyether-ether-ketone that product, which merges plate and connecting rod) pushing block can gather for supra polymer
The combined applications such as ethylene, the present invention due to the Invasive lumbar fusion device by front lower fusion plate 1, left drawing plate 2, preceding upper fusion plate 3, it is rear on
It merges plate 4, rear lower fusion plate 5, pushing block 6, connecting rod 7 to form, the front lower fusion plate 1, preceding upper fusion plate 3, rear upper fusion
Plate 4, rear lower fusion plate 5 distinguish the front lower fusion plate 1 of L-shaped, described L-type, preceding upper fusion plate 3, rear upper fusion plate 4, afterwards under
It merges middle part formation after plate 5 mutually fastens and promotes chamber, the connecting rod 7 is by upper connecting rod, lower link, front rod and back link group
At the left end of the front lower fusion plate 1 is equipped with left drawing plate 2, and the left drawing plate is mutually perpendicular to simultaneously with the front lower plate 1 that merges
It is equipped with drawing screw hole 8 at middle part, strip-shaped hole 10 is equipped in the middle part of the pushing block 6, implantation is equipped in the strip-shaped hole 10 and holds
Device, putting in strip-shaped hole 10 for the implantation holder is connected with the drawing screw hole 8 in left drawing plate 2, then is held by implantation
Device pushes pushing block 6 to be forced into pushing block 6 and promotes the front lower fusion plate 1 of intracavitary realization, preceding upper fusion plate 3, above merges plate afterwards
4, four-way is opened between rear lower fusion plate 5, has the distracting force using Invasive lumbar fusion device, restore the height of vertebra section and tension,
Realize release compressing, restore vertebra physiological camber, Invasive lumbar fusion device Bony union, ensure spinal stabilization the advantages that.
Claims (10)
1. a kind of extensible Invasive lumbar fusion device, feature the Invasive lumbar fusion device by front lower fusion plate, left drawing plate, it is preceding on melt
Plywood, rear upper fusion plate, rear lower fusion plate, pushing block, connecting rod composition, the front lower fusion plate, preceding upper fusion plate, afterwards on melt
Plywood, rear lower fusion plate difference are L-shaped, the front lower fusion plate of the L-type, preceding upper fusion plate, rear upper fusion plate, rear lower fusion
Middle part, which is formed, after plate mutually fastens promotes chamber, and the connecting rod is made of upper connecting rod, lower link, front rod and back link, described
The left end of front lower fusion plate be equipped with left drawing plate, the left drawing plate is mutually perpendicular to and is equipped at middle part with the front lower plate that merges
It pulls screw hole, the drawing screw hole and chamber is promoted to be interconnected, the leading flank of the front lower fusion plate, preceding upper fusion plate
Leading flank is corresponding to be equipped with hinged shaft, and the hinged shaft between the front lower fusion plate and preceding upper fusion plate, which is equipped with, makes front lower melt
The front rod of certain distance being hinged with hinged shaft, the upside of the preceding upper fusion plate are propped up between plywood and preceding upper fusion plate
Face, the upper side of rear upper fusion plate are corresponding equipped with hinged shaft, the preceding upper hinged shaft merged between plate, rear upper fusion plate
It is equipped with the upper connecting rod being hinged with hinged shaft for propping up certain distance before making between upper fusion plate and rear upper fusion plate, after described
The trailing flank of upper fusion plate, rear lower fusion plate trailing flank it is corresponding be equipped with hinged shaft, the rear upper fusion plate, afterwards under melt
Hinged shaft between plywood, which is equipped with, props up being hinged with hinged shaft for certain distance between upper fusion plate and rear lower fusion plate after making
Back link, downside, the downside of front lower fusion plate of the rear lower fusion plate are corresponding equipped with hinged shaft, after described
Lower fusion plate, front lower fusion plate hinged shaft be equipped with make after prop up certain distance between lower fusion plate and front lower fusion plate with hinge
The lower link that axis is hinged, the front rod, upper connecting rod, back link and lower link tilt respectively with it is front lower merge plate, it is preceding on
Fusion plate, rear upper fusion plate mutually stagger connection between rear lower fusion plate and make front lower fusion plate, preceding upper fusion plate, rear above merge
It is in holding state, the front lower fusion plate, preceding upper fusion plate, afterwards upper fusion plate, rear lower fusion plate between plate, rear lower fusion plate
The propulsion that middle part is formed after mutually fastening is intracavitary to be equipped with pushing block, is equipped with strip-shaped hole, the bar shaped in the middle part of the pushing block
Be equipped with the implantation holder that driving pushing block promotes in hole, the implantation holder to put in strip-shaped hole interior with leading in left drawing plate
Draw screw hole to be connected, then by implantation holder push pushing block pushing block is forced into promote the front lower fusion plate of intracavitary realization,
Preceding upper fusion plate, rear upper fusion plate, four-way is opened between rear lower fusion plate.
2. a kind of extensible Invasive lumbar fusion device according to claim 1, it is characterised in that the implantation holder is by hand
Handle, pushing ram, promotes knob composition at stayed pole, and pushing ram is set as tubulose, and the right end of the handle is connected with stayed pole,
The left part of stayed pole is set to the drawing screw thread matched with left drawing block, and the right part of the front tension bar, which is equipped with, promotes spiral shell
Line, the outer sheath of the propulsion screw thread are equipped with propulsion knob, promote knob to be connected through a screw thread with stayed pole, described pushes away
It is connected into the left end of knob with the pushing ram being socketed on the outside of stayed pole, promotes knob to reduce pushing ram left part by rotation
With the distance between the left drawing plate of realization and pushing block at a distance from stayed pole left part.
3. a kind of extensible Invasive lumbar fusion device according to claim 2, it is characterised in that the diameter of the pushing ram
Greater than the diameter of the strip-shaped hole of pushing block, promote pushing ram conflict in pushing block side.
4. a kind of extensible Invasive lumbar fusion device according to claim 1, it is characterised in that the preceding upper fusion plate
Leading flank and upper side, the trailing flank of rear upper fusion plate and upper side, the leading flank of front lower fusion plate and downside, rear lower fusion
The trailing flank of the trailing flank of plate and the hinged shaft of the downside leading flank of upper fusion plate and upper side, rear upper fusion plate before being respectively provided at
It is kept away with what is be respectively equipped on upper side, the leading flank of front lower fusion plate and downside, the rear lower trailing flank and downside for merging plate
It allowing in slot, the escape groove is set as V-type, and the adjacent V-groove is centrosymmetric arrangement, front rod after making inclination,
Upper connecting rod, back link and lower link are connected in the V-groove of split.
5. a kind of extensible Invasive lumbar fusion device according to claim 1, it is characterised in that the front rod, upper company
The both ends of bar, back link and lower link are respectively equipped with connecting hole, and the hinged shaft is set as hollow shape, pass through connecting hole by hinged shaft
Afterwards the hinged shaft of stretching squeeze and be turned over time, by straight tube hinged shaft squeeze for connecting-rod inclined chamfering fit-state, to realize anticreep
Out.
6. a kind of extensible Invasive lumbar fusion device according to claim 1, it is characterised in that the rear upper fusion plate and
Right end is equipped with the clamping groove that is connected on the inside of the back side panel of lower fusion plate afterwards, and the trailing flank right end of the pushing block is equipped with and card
The clamping bump that groove matches is connect, fusion device and propulsion after strutting are realized by clamping groove and clamping bump mating connection
Block stable connection.
7. a kind of extensible Invasive lumbar fusion device according to claim 1, it is characterised in that the front lower fusion plate, preceding
Upper fusion plate, rear upper fusion plate, rear lower fusion plate hold the right end that the right end that state is preceding upper fusion device stretches out front lower fusion device tightly
Tilt front rod towards upper right, the right end of upper fusion device keeps upper connecting rod right after before the right end of rear upper fusion device stretches out
Direction inclination, the right end of lower fusion device, which is located between front lower fusion device right end and afterwards upper fusion device right end, afterwards makes back link towards the right side
Upper direction inclination, lower link are tilted towards rear right direction, strut effect for front rod, upper connecting rod, back link by pushing block
Plate, preceding upper fusion plate, rear upper fusion plate, rear lower fusion plate are merged in vertical state in front lower with lower link rotation.
8. a kind of extensible Invasive lumbar fusion device according to claim 1, it is characterised in that the front lower fusion plate
Upper side, the upper side of preceding upper fusion plate, the downside of rear upper fusion plate, rear lower fusion plate downside on be respectively equipped with sawtooth
Shape boss guarantees front lower fusion plate, preceding upper fusion plate, rear upper fusion plate, rear lower stability fixed between fusion plate and intervertebral,
It prevents from slipping.
9. a kind of extensible Invasive lumbar fusion device according to claim 1, it is characterised in that the pushing block is equipped with
For the plant hole that Bony union material enters, facilitate the fusion device and intervertebral Bony union.
10. a kind of extensible Invasive lumbar fusion device according to claim 1, it is characterised in that the clamping groove and card
Pawl or arc convex can be set as by connecing convex block respectively or other are able to achieve the shape of clamping, prevent from slipping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276216.3A CN109820627B (en) | 2019-04-08 | 2019-04-08 | Expandable interbody fusion cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276216.3A CN109820627B (en) | 2019-04-08 | 2019-04-08 | Expandable interbody fusion cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109820627A true CN109820627A (en) | 2019-05-31 |
| CN109820627B CN109820627B (en) | 2024-03-15 |
Family
ID=66874267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910276216.3A Active CN109820627B (en) | 2019-04-08 | 2019-04-08 | Expandable interbody fusion cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109820627B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020084349A (en) * | 2001-04-30 | 2002-11-07 | 최길운 | Backbone fused implant |
| US20100286783A1 (en) * | 2008-01-17 | 2010-11-11 | Synthes Usa, Llc | Expandable intervertebral implant and associated method of manufacturing the same |
| US20120259416A1 (en) * | 2011-04-07 | 2012-10-11 | Warsaw Orthopedic, Inc. | Laterally expandable interbody spinal fusion implant |
| US20150272743A1 (en) * | 2014-04-01 | 2015-10-01 | Ex Technology, Llc | Expandable intervertebral cage |
| CN205866898U (en) * | 2016-05-27 | 2017-01-11 | 瞿玉兴 | Lumbar vertebrae interbody fusion cage can strut |
| US20170056200A1 (en) * | 2015-08-25 | 2017-03-02 | Imds Llc | Expandable intervertebral implants |
| 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 |
| US20180193164A1 (en) * | 2017-01-10 | 2018-07-12 | Anza Innovations Inc. | Expandable intervertebral fusion device |
| CN108742954A (en) * | 2018-06-28 | 2018-11-06 | 何清义 | A kind of plate XLIF Invasive lumbar fusion devices |
| WO2019068074A1 (en) * | 2017-09-29 | 2019-04-04 | Musc Foundation For Research Development | Expandable device |
-
2019
- 2019-04-08 CN CN201910276216.3A patent/CN109820627B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020084349A (en) * | 2001-04-30 | 2002-11-07 | 최길운 | Backbone fused implant |
| US20100286783A1 (en) * | 2008-01-17 | 2010-11-11 | Synthes Usa, Llc | Expandable intervertebral implant and associated method of manufacturing the same |
| US20120259416A1 (en) * | 2011-04-07 | 2012-10-11 | Warsaw Orthopedic, Inc. | Laterally expandable interbody spinal fusion implant |
| US20150272743A1 (en) * | 2014-04-01 | 2015-10-01 | Ex Technology, Llc | Expandable intervertebral cage |
| US20170056200A1 (en) * | 2015-08-25 | 2017-03-02 | Imds Llc | Expandable intervertebral implants |
| CN205866898U (en) * | 2016-05-27 | 2017-01-11 | 瞿玉兴 | Lumbar vertebrae interbody fusion cage can strut |
| US20180193164A1 (en) * | 2017-01-10 | 2018-07-12 | Anza Innovations Inc. | Expandable intervertebral fusion device |
| 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 |
| WO2019068074A1 (en) * | 2017-09-29 | 2019-04-04 | Musc Foundation For Research Development | Expandable device |
| CN108742954A (en) * | 2018-06-28 | 2018-11-06 | 何清义 | A kind of plate XLIF Invasive lumbar fusion devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109820627B (en) | 2024-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103648421B (en) | Intervertebral spacers | |
| KR101814838B1 (en) | Systems and methods for pedicle screw stabilization of spinal vertebrae | |
| TW201043188A (en) | Apparatus for bone restoration of the spine and methods of use | |
| TW200534825A (en) | Closure member for a medical implant device | |
| JP2011515193A (en) | Foldable devices placed on the spine and methods related thereto | |
| CN104306054B (en) | A kind of expansible vertebral plasty support | |
| CN107174383A (en) | One kind can strut type Invasive lumbar fusion device | |
| CN107224341A (en) | One kind can bracing type Invasive lumbar fusion device | |
| CN108095867A (en) | A kind of four sides can strut type Invasive lumbar fusion device | |
| CN102274066B (en) | Trans-vertebral-pedicle centrum fracture restorer | |
| CN206261625U (en) | Dilator | |
| WO2022062779A1 (en) | Transpedicular intervertebral fusion system | |
| CN107334566A (en) | Invasive lumbar fusion device and the accessory part for expanding the fusion device | |
| CN208243665U (en) | One kind can strut type Invasive lumbar fusion device | |
| CN109820627A (en) | A kind of extensible Invasive lumbar fusion device | |
| CN106308916B (en) | Artificial vertebral body fixed system | |
| CN107106212A (en) | Bone screws | |
| CN208464353U (en) | A kind of four sides can strut type Invasive lumbar fusion device | |
| CN108042246A (en) | Fusion device can be strutted | |
| CN204744513U (en) | Passerby is good at centrum before zero notch cervical vertebra | |
| CN204147102U (en) | A kind of expansible vertebral plasty support | |
| CN109820626A (en) | A kind of Invasive lumbar fusion device of four-way expansion | |
| CN107349033A (en) | Adjustable intervertebral fusion device | |
| WO2023015839A1 (en) | Fusion cage with adjustable height for post bone grafting | |
| CN210056354U (en) | Expandable interbody fusion cage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |