CN106983586B - A kind of vertebral fusion system through minimally invasive access approach - Google Patents
A kind of vertebral fusion system through minimally invasive access approach Download PDFInfo
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- CN106983586B CN106983586B CN201710298567.5A CN201710298567A CN106983586B CN 106983586 B CN106983586 B CN 106983586B CN 201710298567 A CN201710298567 A CN 201710298567A CN 106983586 B CN106983586 B CN 106983586B
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- bag
- minimally invasive
- fusion system
- vertebral fusion
- invasive access
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/441—Joints for the spine, e.g. vertebrae, spinal discs made of inflatable pockets or chambers filled with fluid, e.g. with hydrogel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4601—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
Abstract
The present invention relates to a kind of vertebral fusion systems through minimally invasive access approach, including bag and backing material, the bag is foldable or can shrink, in one end of bag, injection port is set, backing material is injected in bag by injection port, it is string configuration when bag expanded state, the face that bag is contacted with upper hypocentrum is centrum contact surface, contractile restriction mechanism is arranged in length direction in bag side, the contractile width for limiting mechanism is less than or equal to width when bag nature expanded state, when in bag implantation interverbebral disc and when completing the injection of backing material, bag is parallel to width direction and perpendicular to the cross section of centrum contact surface is in the shape of an " I " or rectangle；The contact area for solving fusion device and upper hypocentrum is unable to control so that bone grafting space it is too small and influence up and down vertebral fusion effect the problem of；It adapts to disc height with being able to achieve no rank and is controllable with the contact area of upper hypocentrum.
Description
Technical field
The present invention relates to spinal interbody fusion fields, and in particular to a kind of vertebral fusion system through minimally invasive access approach.
Background technique
Backbone degenerative disease and its structural damage are to cause human necks, shoulders lumbocrural pain, feeling and motor function impaired very
To a major reason of forfeiture.The fifties in last century, Cloward propose posterior lumbar fusion process (PLIF), the technology first
Develop into one of basic art formula of current spinal surgery.Badgy and Kuslich in 1986 is designed to be melted suitable for the intervertebral of human body
Clutch (Cage), i.e. BAK system.Hereafter, Intervertebral fusion technology has large development, becomes treatment backbone degeneration disease
A kind of basic operative mode of disease and structural damage.
The principle of Invasive lumbar fusion device is centered on pathological interspinal gap, and after being implanted into Invasive lumbar fusion device, distracting force makes to merge
Muscle, fibrous ring and the forward and backward longitudinal ligament of segment are under continued tension state, and Fusion levels and fusion device is made to reach three-dimensional super
Statics is fixed.Secondly, Invasive lumbar fusion device is by restoring the height of intervertenral space, with before restoring backbone, the stress of center pillar and stabilization,
Restore, maintain the intrinsic physiology protrusion of backbone, expands intervertebral foramen, alleviate the compression of dural sac, nerve root.Invasive lumbar fusion device it is hollow
Structure provides good mechanical environment for the fusion of the cancellous bone in it, to achieve the purpose that interface permanent fusion.
Existing routine fusion device is generally the case structure of fixed shape, adapts to by a series of different model of height
Different interbody spaces can not be matched with the intervertenral space of sufferer completely；And form cannot be converted, wound is larger when implantation,
Larger to patient trauma, post-operative recovery is slow.
There is the design of some expansive fusion devices for the defect of the said goods structure.For example, Chinese patent
A kind of intervertebral filling fusing device is disclosed in 105380735 A of CN, the adjacent vertebra of any two for inserting human body lumbar vertebrae
Between body soleplate, be made of accommodating member and the reticulate body set on the accommodating member periphery, when use to the accommodating member with it is described
The first filler with self-solidifying solidity is packed between reticulate body.But it is in the not set limiting structure in reticulate body periphery, filling
When the first filler of self-solidifying solidity, reticulate body expands that shape out is uncontrollable, and causing can not with the contact area of upper hypocentrum
Control, so that bone grafting space is too small and influences vertebral fusion effect up and down.
Summary of the invention
In view of the drawbacks described above of the prior art, enter technical problem to be solved by the invention is to provide a kind of through minimally invasive access
The vertebral fusion system on road, this vertebral fusion system adapt to disc height and connect with upper hypocentrum with being able to achieve no rank
Contacting surface product is controllable.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of vertebral fusion system through minimally invasive access approach, including bag and backing material, the bag it is foldable or
It can shrink, injection port is set in one end of the bag, the backing material injects the interior of the bag by the injection port
Portion is string configuration when the bag expanded state, and the face that the bag is contacted with upper hypocentrum is centrum contact surface, in institute
Contractile restriction mechanism is arranged in the length direction for stating bag side, and the contractile width for limiting mechanism is less than or equal to
Width when the bag nature expanded state, when the bag is implanted into interverbebral disc and completes the injection of the backing material
When, the bag is parallel to width direction and perpendicular to the cross section of the centrum contact surface is in the shape of an " I " or rectangle.
The purpose of the present invention can also be further realized by technical solution below:
Preferably, the contractile mechanism that limits includes two laminated structures and the company for connecting two laminated structures
Fitting.
Preferably, two laminated structures and the connector are made of to be made into integration or Split assembled.
Preferably, the connector is arcuate structure, and the both ends of the arcuate structure connect two laminated structures
Adjacent end portion.
Preferably, the connector is plurality of rods or silk, and the more bars or silk are arranged on two laminated structures
Between.
Preferably, the laminated structure is mesh sheets made of engraving or braiding.
Preferably, through hole is arranged along the direction perpendicular to the centrum contact surface in the bag.
Preferably, the space that the through hole limits is bone grafting storehouse, the inner space phase in the bone grafting storehouse and the bag
Isolation.
Preferably, the through hole has multiple, has communicating passage between multiple through holes.
Preferably, anti-skid structure is set on the centrum contact surface.
Preferably, the anti-skid structure is grid-shaped sheet material, lattice of the backing material stress from the grid-shaped sheet material
Sub- China and foreign countries convex into anti-skid bulge.
Preferably, the anti-skid structure is compressible sheet material, is arranged on the face that the compressible sheet material is contacted with centrum
Hangnail or protrusion.
Preferably, the anti-skid structure is the hangnail or protrusion for being fixed on the bag surface.
Preferably, check-valves is provided on the injection port.
Preferably, the backing material is spontaneous coagulation filling material of bone.
Preferably, the vertebral fusion system further includes injection-tube, and the injection-tube includes inner and outer tubes, the outer tube
Distal end elastic bayonet lock is set, the elastic bayonet lock connect with the connector buckle-type of the injection port.
Compared with the existing technology, advantages of the present invention and progress are as follows:
1, the vertebral fusion system of the invention through minimally invasive access approach is by foldable or collapsible bag intracapsular injection
The mode of backing material forms fusion device, and nonrated increase to adapt to different intervertenral spaces may be implemented.
2, the vertebral fusion system side of the invention through minimally invasive access approach is provided with contractile restriction mechanism, limitation
It is being parallel to width direction and perpendicular in the shape of an " I " or rectangle on the cross section of centrum contact surface, has on the one hand ensured vertebra
The contact surface size of body emerging system and centrum is controllable, on the other hand leaves in the equirotal situation of centrum contact surface to the greatest extent
Possible big bone grafting space.
3, the vertebral fusion system of the invention through minimally invasive access approach, by foldable or shrinkable bag and contractile
Mechanism composition is limited, it is whole and compressible, intervertenral space can be entered by minimally invasive channel, then be expanded in intervertenral space
It opens, so that the wound of patient is smaller when operation, is conducive to post-operative recovery.
4, the vertebral fusion system of the invention through minimally invasive access approach, in bag along perpendicular to the centrum contact surface
One or more through holes are arranged in direction, and the space that the through hole limits is bone grafting storehouse, and it is living that multiple bone grafting storehouses are conducive to rear symplectic bone
The injection of property substance.
5, the vertebral fusion system of the invention through minimally invasive access approach, anti-skid structure is arranged on centrum contact surface can be with
Vertebral fusion system is effectively prevented to move after implanting.
6, the injection-tube of the vertebral fusion system of the invention through minimally invasive access approach includes inner and outer tubes, outer tube it is remote
Elastic bayonet lock is arranged in end and the connector buckle-type of injection port connects, and can both lead to avoid using accidentally to rotate caused by threaded connection
It causes to be detached from and influence operation, and screw thread can be replaced to make the wall of filler delivery pipe thinner by the design of elastic bayonet lock.
7, the injection port of the vertebral fusion system of the invention through minimally invasive access approach is provided with check-valves and can prevent from filling out
The backing material leakage being charged in bag.
Detailed description of the invention
Fig. 1 a, which is the vertebral fusion system through minimally invasive access approach, is being parallel to width direction and perpendicular to centrum contact surface
Direction cross section be I-shaped structural schematic diagram；
Fig. 1 b, which is the vertebral fusion system through minimally invasive access approach, is being parallel to width direction and perpendicular to centrum contact surface
Direction cross section be rectangle structural schematic diagram；
Fig. 2 a is the first contractile structural schematic diagram for limiting mechanism；
Fig. 2 b is second of contractile structural schematic diagram for limiting mechanism；
Fig. 2 c is the third contractile mechanism that limits along the sectional view of short transverse；
Fig. 3 a is the structural schematic diagram of the first through hole；
Fig. 3 b is the structural schematic diagram of second of through hole；
Fig. 3 c is the structural schematic diagram of the third through hole；
Fig. 4 a is the structural schematic diagram of the first bone active substance mode of movement of vertebral fusion system；
Fig. 4 b is the structural schematic diagram of second of bone active substance mode of movement of vertebral fusion system；
Fig. 5 a is the structural schematic diagram of the injection-tube of vertebral fusion system；
Fig. 5 b is the partial enlarged view of the distal outer tube of the injection-tube of vertebral fusion system；
Fig. 6 a is the structural schematic diagram that anti-skid structure is grid-shaped sheet material；
Fig. 6 b is the structural schematic diagram that anti-skid structure is compressible sheet material；
Wherein, 1 is bag, and 2 be contractile restriction mechanism, and 3 be injection-tube, and 11 be backing material, and 12 be injection port, 13
It is anti-skid structure, 14 be connector, and 15 be bone grafting storehouse, and 16 be first through hole, and 17 be the second through-hole, and 21 be laminated structure, and 22 are
Connector, 23 be the flexible wires or silk of no ductility, and 31 be inner tube, and 32 be outer tube, and 321 be elastic bayonet lock.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, as follows in conjunction with drawings and embodiments
The present invention is described in detail.
As illustrated in figs. 1A and ib, a kind of vertebral fusion system through minimally invasive access approach, including bag 1 and fid
Material, the bag 1 is foldable or can shrink, and injection port 12 is arranged in one end of the bag 1, the backing material passes through described
Injection port 12 injects the inside of the bag 1, and when 1 expanded state of bag is string configuration, the bag 1 and upper and lower vertebra
The face of body contact is centrum contact surface, and contractile restriction mechanism 2 is arranged in the length direction in 1 side of bag, such as Fig. 1 a
Shown, when width when the contractile width for limiting mechanism 2 is less than the natural expanded state of the bag 1, bag 1 is planted
After the injection for entering in interverbebral disc and completing the backing material, bag 1 is parallel to width direction and contacts perpendicular to the centrum
The cross section in face is in the shape of an " I "；As shown in Figure 1 b, and described shrinkable when bag 1 is designed to that section is rectangular strip
Width when being equal to the natural expanded state of the bag 1 of the width of restriction mechanism 2 when, bag 1 is implanted into interverbebral disc and completes
After the injection of the backing material, bag 1 is parallel to width direction and perpendicular to the cross section of the centrum contact surface in rectangle.
The bag 1 can be woven by implantable silk material, for example, the braiding utricule of PET wire rod；Or
Film utricule made of the sintering of film utricule made of implantable material, for example, PTFE.By injecting fid into bag 1
Material may make the vertebral fusion system is nonrated to adapt to different interbody spaces.
As shown in Figure 2 c, the backing material 11 is spontaneous coagulation filling material of bone, such as bone cement.The backing material 11
In injection for fluid state, backing material 11 described in the internal injection to the bag 1, until after required string configuration,
Can voluntarily it solidify in 11 short time of backing material, to provide stable support between upper hypocentrum.
In one embodiment, the contractile restriction mechanism 2 includes described in two laminated structures 21 and connection
The connector 22 of two laminated structures 21 can also be with made of the laminated structure 21 and the connector 22 can be integrated
It is composed by the fixed forms such as welding or being bonded.
The connector 22 limits the contractile width for limiting mechanism 2, when the contractile width for limiting mechanism 2 is small
When width when the natural expanded state of bag 1, after bag 1 is implanted into interverbebral disc and completes the injection of the backing material 11,
Bag 1 is parallel to width direction and perpendicular to the cross section of the centrum contact surface in I-shaped as shown in Figure 1a, in this way
So that be controlled effectively with the shape size of centrum contact surface, and in the case where identical centrum contact surface, due to
The side of I-shaped structure is recessed inwardly, available more bone grafting volumes.
As shown in Figure 2 a, the laminated structure 21 is mesh sheets made of engraving or braiding, is made of elastic material；Institute
Stating connector 22 is arcuate structure, and both ends connect the adjacent end portion of two laminated structures 21, becomes complete and limits mechanism
2, and can integrally be compressed.The laminated structure 21 is fixed on 1 or so phase of bag by the connection type for being bonded or suturing
On opposite, this connection type can be to avoid complicated mechanical snapping, so that overall dimension is smaller after emerging system compression.
As shown in Figure 2 b, the connector 22 or plurality of rods or silk, plurality of rods or silk are arranged on described in two
Between laminated structure 21, such as the both ends of plurality of rods or silk are separately connected the middle sections of two laminated structures 21, are formed
Complete contractile restriction mechanism 2, limits the full shape of bag.
In another embodiment, as shown in Figure 2 c, the contractile restriction mechanism 2 is more without the soft of ductility
Property line or silk 23, both ends are separately connected the left and right opposite face of the bag 1, and length of run is less than or equal to the bag 1
Width.It is limited by the width of the left and right opposite face of the flexible wires or 23 pairs of the silk bags 1 of more no ductility,
The bag 1 is being parallel to width direction and perpendicular to the cross section of centrum contact surface in " work " word after the limit of upper hypocentrum again
Shape or rectangle, so that being controlled effectively with the shape size of centrum contact surface.
The bag 1 is additionally provided with through hole along the direction perpendicular to the centrum contact surface, when bag 1 in filling naturally
Be full of state when the through hole extend to hypocentrum contact surface, bone grafting storehouse 15 is in the space that the through hole limits, with institute
The filling space stated inside bag 1 is mutually isolated, and bone active substance can be injected into bone grafting storehouse 15 makes vertebral fusion up and down.It is described
Through hole can be rectangular (as shown in Figure 3a), or round (as shown in Figure 3b).As shown in Figure 3c, the through hole
There can be communicating passage between multiple through holes to be multiple.Multiple bone grafting storehouses are conducive to the injection of subsequent bone active substance.
As shown in fig. 4 a, the first through hole 16 being connected to bone grafting storehouse 15, the injection port 12 are provided in the side of bag 1
The side of first through hole 16 is set, it, can be again to first through hole after injecting backing material 11 into bag 1 by injection-tube 3
Insertion filling pipe completes the implantation of entire vertebral fusion system to fill bone active substance in 16.
As shown in Figure 4 b, the second through-hole 17 being connected to bone grafting storehouse 15, the injection port 12 are provided in the side of bag 1
The circumferential surface for forming the through hole in bone grafting storehouse is set, and coaxial with the second through-hole 17, injects the injection-tube 3 of backing material 11 in this way
It can be nested together with the filling pipe of filling bone active substance in prepackage, in use, injection backing material11Afterwards, injection is extracted
The i.e. fillable bone active substance of pipe 3 is easy to operate coherent.
In one embodiment, it is provided with check-valves on injection port 12, the support being filled into bag can be prevented
Material leakage.The check-valves is check valve.
As shown in figure 5a and 5b, connector 14, shape between the connector 14 and injection-tube 3 are set in the injection port 12
At being detachably connected.Described be detachably connected can be threaded connection or buckle-type connection.As shown in Figure 5 a, the injection-tube 3
Including inner tube 31 and outer tube 32, the outer tube 32 be sleeved in said inner tube 31 and opposite said inner tube 31 axially movable, institute
The distal end setting elastic bayonet lock 321 of outer tube 32 is stated, the distal end of said inner tube 31 passes through the elastic bayonet lock 321With the connector
The connection of 14 buckle-types.When 31 elasticity of extension bayonet 321 of said inner tube, 321 stress of elastic bayonet lock opens the cooperation of being adapted to property
Connector 14 achieves a fixed connection.As shown in Figure 5 b, when inner tube 31 contracts from elastic bayonet lock 321, the non-stress of elastic bayonet lock 321
Closure is replied, connector 14 is automatically disengaged, so that injection-tube 3 can be unloaded integrally.Elastic bayonet lock 321 is arranged in the distal end of outer tube 32
Connect with 14 buckle-type of connector of injection port 12 both can cause to be detached from influence to avoid using accidentally to rotate caused by threaded connection
Operation, and screw thread can be replaced to make the wall of the entirety of injection-tube 3 thinner by the design of elastic bayonet lock.
Vertebral fusion system moves after implanting in order to prevent, is arranged on the centrum contact surface of the bag 1 anti-
Slipped Clove Hitch structure 13, as shown in Fig. 6 a and 6b, the anti-skid structure 13 is the hangnail or protrusion for being fixed on bag surface, with upper and lower vertebra
Body surface face is chimeric, prevents vertebral fusion system from shifting；As shown in Figure 6 a, the anti-skid structure 13 or grid-shaped sheet material,
When the bag 1 fills, 11 stress of backing material convexes into anti-skid bulge from the grid China and foreign countries of the grid-shaped sheet material；
As shown in Figure 6 b, the anti-skid structure 13 is compressible sheet material, the outside of bag 1 is arranged in, in the compressible sheet material and vertebra
Hangnail or protrusion are provided on the face of body contact.
Finally it should be noted that the foregoing is merely preferred embodiment of the invention, it is not limited to this
Invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in this hair
Within bright protection scope.
Claims (14)
1. a kind of vertebral fusion system through minimally invasive access approach, it is characterised in that: including bag (1) and backing material (11),
The bag (1) is foldable or can shrink, and injection port (12) is arranged in one end of the bag (1), the backing material (11)
Inject the inside of the bag (1) by the injection port (12), when bag (1) expanded state is string configuration, institute
Stating the face that bag (1) is contacted with upper hypocentrum is centrum contact surface, and the length direction setting in the bag (1) side is shrinkable
Restriction mechanism (2), the contractile width for limiting mechanism (2) is less than or equal to the bag (1) natural expanded state
When width, in the bag (1) implantation interverbebral disc and when completing the injection of the backing material (11), the bag (1)
It is parallel to width direction and perpendicular to the cross section of the centrum contact surface is in the shape of an " I " or rectangle, the contractile restriction
Mechanism (2) includes two laminated structures (21) and the connector (22) for connecting two laminated structures (21).
2. the vertebral fusion system according to claim 1 through minimally invasive access approach, it is characterised in that: two sheets
Structure (21) and the connector (22) are made of to be made into integration or Split assembled.
3. the vertebral fusion system according to claim 1 through minimally invasive access approach, it is characterised in that: the connector
It (22) is arcuate structure, the both ends of the arcuate structure connect the adjacent end portion of two laminated structures (21).
4. the vertebral fusion system according to claim 1 through minimally invasive access approach, it is characterised in that: the connector
It (22) is plurality of rods or silk, the more bars or silk are arranged between two laminated structures (21).
5. the vertebral fusion system according to claim 1 through minimally invasive access approach, it is characterised in that: the laminated structure
It (21) is mesh sheets made of engraving or braiding.
6. the vertebral fusion system according to claim 1 through minimally invasive access approach, it is characterised in that: the bag (1)
Along the direction perpendicular to the centrum contact surface, through hole is set.
7. the vertebral fusion system according to claim 6 through minimally invasive access approach, it is characterised in that: the through hole limit
Fixed space is bone grafting storehouse (15), and the bone grafting storehouse (15) and the inner space of the bag (1) are isolated.
8. the vertebral fusion system according to claim 6 through minimally invasive access approach, it is characterised in that: the through hole has
It is multiple, there is communicating passage between multiple through holes.
9. the vertebral fusion system according to claim 1 through minimally invasive access approach, it is characterised in that: connect in the centrum
Anti-skid structure (13) are set in contacting surface.
10. the vertebral fusion system according to claim 9 through minimally invasive access approach, it is characterised in that: the anti-Slipped Clove Hitch
Structure (13) is grid-shaped sheet material, and backing material (11) stress convexes into anti-skidding convex from the grid China and foreign countries of the grid-shaped sheet material
It rises.
11. the vertebral fusion system according to claim 9 through minimally invasive access approach, it is characterised in that: the anti-Slipped Clove Hitch
Structure (13) is compressible sheet material, and hangnail or protrusion are arranged on the face that the compressible sheet material is contacted with centrum.
12. the vertebral fusion system according to claim 9 through minimally invasive access approach, it is characterised in that: the anti-Slipped Clove Hitch
Structure (13) is the hangnail or protrusion for being fixed on the bag (1) surface.
13. the vertebral fusion system according to claim 1 through minimally invasive access approach, it is characterised in that: in the injection
Check-valves is provided on mouth (12).
14. the vertebral fusion system according to claim 1 to 13 through minimally invasive access approach, it is characterised in that:
The backing material (11) is spontaneous coagulation filling material of bone.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298567.5A CN106983586B (en) | 2017-04-28 | 2017-04-28 | A kind of vertebral fusion system through minimally invasive access approach |
| PCT/CN2018/084659 WO2018196821A1 (en) | 2017-04-28 | 2018-04-26 | Interbody fusion system with minimally invasive access approach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298567.5A CN106983586B (en) | 2017-04-28 | 2017-04-28 | A kind of vertebral fusion system through minimally invasive access approach |
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| CN106983586A CN106983586A (en) | 2017-07-28 |
| CN106983586B true CN106983586B (en) | 2019-01-18 |
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| WO (1) | WO2018196821A1 (en) |
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| CN107898538A (en) * | 2017-12-15 | 2018-04-13 | 苏州博习医疗科技有限公司 | A kind of swell-shrink minimally invasive intervertebral shaping fusing device |
| CN108784890A (en) * | 2018-07-05 | 2018-11-13 | 林浩 | Invasive lumbar fusion device and bone cement injection device under a kind of minimally invasive channel |
| WO2022251746A2 (en) * | 2021-05-28 | 2022-12-01 | Mullins Hunter | Vertebral decompression and fusion implant |
| CN116807607B (en) * | 2023-08-29 | 2023-12-19 | 北京先瑞达医疗科技有限公司 | Implanted ablation device |
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| CN1340330A (en) * | 2000-08-28 | 2002-03-20 | 高级生物表面公司 | Prosthesis of vertebral disc |
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| CN106983586A (en) | 2017-07-28 |
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