CN107049565A - A kind of vertebral fusion mechanism through minimally invasive path approach - Google Patents
A kind of vertebral fusion mechanism through minimally invasive path approach Download PDFInfo
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- CN107049565A CN107049565A CN201710298566.0A CN201710298566A CN107049565A CN 107049565 A CN107049565 A CN 107049565A CN 201710298566 A CN201710298566 A CN 201710298566A CN 107049565 A CN107049565 A CN 107049565A
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- bag
- minimally invasive
- vertebral fusion
- path approach
- fusion mechanism
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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
- A61F2/4455—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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30224—Three-dimensional shapes cylindrical
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
-
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/3093—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of vertebral fusion mechanism through minimally invasive path approach, including bag and backing material, the bag can be folded or can shunk, in one end of bag, injection port is set, backing material is injected in bag by injection port, it is cylindrical structural during bag expanded state, the face that bag is contacted with upper hypocentrum is centrum contact surface, in the circumferencial direction of bag, contractile restriction mechanism is set, the contractile diameter for limiting mechanism is less than or equal to diameter during bag nature expanded state, when in bag implantation interverbebral disc and when completing the injection of backing material, bag is in I-shaped or rectangle perpendicular to the section of centrum contact surface；The contact area for solving fusion device and upper hypocentrum is uncontrollable so that bone grafting space it is too small and influence above and below vertebral fusion effect the problem of；It can realize and disc height is adapted to without rank and be controllable with the contact area of upper hypocentrum.
Description
Technical field
The present invention relates to spinal interbody fusion field, and in particular to a kind of vertebral fusion mechanism through minimally invasive path approach.
Background technology
Backbone degenerative disease and its structural damage are to cause human necks, shoulders lumbocrural pain, sensation and motor function impaired very
To the major reason lost.The fifties in last century, Cloward proposes posterior lumbar fusion process (PLIF), the technology first
Develop into one of basic art formula of current spinal surgery.The intervertebral that Badgy and Kuslich in 1986 designs suitable for human body melts
Clutch (Cage), i.e. BAK systems.Hereafter, Intervertebral fusion technology has large development, as treatment backbone degeneration disease
A kind of basic operative mode of disease and structural damage.
The principle of Invasive lumbar fusion device is that centered on pathological interspinal gap, after implantation Invasive lumbar fusion device, distracting force makes fusion
Muscle, fibrous ring and the forward and backward longitudinal ligament of section are under continued tension state, reach Fusion levels and fusion device three-dimensional super
Statics is fixed.Secondly, Invasive lumbar fusion device is by recovering the height of intervertenral space, to recover before backbone, the stress of center pillar and stably,
Recover, maintain the intrinsic physiology of backbone raised, expand intervertebral foramen, alleviate dural sac, the compression of nerve root.Invasive lumbar fusion device it is hollow
Structure provides good mechanical environment for the fusion of the cancellous bone in it, so as to reach the purpose of interface permanent fusion.
Existing conventional fusion device is generally the case structure of solid shape, is adapted to by a series of highly different models
Different interbody space, it is impossible to the intervertenral space matching of complete and sufferer；And form cannot be converted, wound is larger during implantation,
Larger to patient trauma, post-operative recovery is slow.
Defect for the said goods structure occurs in that the design of some expansive fusion devices.For example, Chinese patent
A kind of intervertebral filling fusing device is disclosed in the A of CN 105380735, the adjacent vertebra of any two for inserting human body lumbar vertebrae
Between body soleplate, by accommodating member and located at the accommodating member periphery reticulate body constitute, when using to the accommodating member with it is described
The first filler with self-solidifying solidity is packed between reticulate body.But it is not provided with limiting structure in reticulate body periphery, filling
During the first filler of self-solidifying solidity, the shape that netted volume expansion goes out is uncontrollable, and causing can not with the contact area of upper hypocentrum
Control so that bone grafting space it is too small and influence above and below vertebral fusion effect.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention, which are to provide one kind, to be realized without rank
Adapt to disc height and with the controllable vertebral fusion mechanism through minimally invasive path approach of contact area of upper hypocentrum.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of vertebral fusion mechanism through minimally invasive path approach, including bag and backing material, the bag can fold or
It can shrink, injection port is set in one end of the bag, the backing material is injected in the bag by the injection port
Portion, is cylindrical structural during the bag expanded state, the face that the bag is contacted with upper hypocentrum is centrum contact surface, in institute
The circumferencial direction for stating bag sets contractile restriction mechanism, and the contractile diameter for limiting mechanism is less than or equal to described
Diameter during bag nature expanded state, when the bag is implanted into interverbebral disc and completes the injection of the backing material, institute
It is in I-shaped or rectangle that bag, which is stated, perpendicular to the section of the centrum contact surface.
The purpose of the present invention can also further be realized by following technical scheme：
It is preferred that, the contractile restriction mechanism is ring support.
It is preferred that, the ring support is multiple parallel rings or network.
It is preferred that, the bag sets through hole along the direction perpendicular to the centrum contact surface.
It is preferred that, the space that the through hole is limited is bone grafting storehouse, the bone grafting storehouse and the inner space phase of the bag
Isolation.
It is preferred that, the through hole has multiple, has communicating passage between multiple through holes.
It is preferred that, anti-skid structure is set on the centrum contact surface.
It is preferred that, 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.
It is preferred that, the anti-skid structure is compressible sheet material, is set on the face that the compressible sheet material is contacted with centrum
Hangnail or projection.
It is preferred that, the anti-skid structure is integrally fixed at the hangnail or projection on the bag surface.
It is preferred that, it is provided with check-valves on the injection port.
It is preferred that, the backing material is spontaneous coagulation filling material of bone.
Compared with the existing technology, advantages of the present invention and progress are as follows：
1st, the vertebral fusion mechanism through minimally invasive path approach of the invention is by foldable or collapsible bag intracapsular injection
The mode of backing material forms fusion device, it is possible to achieve nonrated rise is so as to adapt to different intervertenral spaces.
2nd, the circumferencial direction of the vertebral fusion mechanism through minimally invasive path approach of the invention is provided with contractile restriction machine
Structure, it is in I-shaped or rectangle to limit it on the section perpendicular to the centrum contact surface, has on the one hand ensured vertebral fusion
Mechanism and the contact surface size of centrum are controllable, are on the other hand left in the case of centrum contact surface is equirotal as big as possible
Bone grafting space.
3rd, the vertebral fusion mechanism through minimally invasive path approach of the invention, by foldable or collapsible bag and contractile
Mechanism composition is limited, is also integrally compressible, intervertenral space can be entered by minimally invasive passage, is then expanded in intervertenral space
Open so that the wound of patient is smaller during operation, is conducive to post-operative recovery.
4th, the vertebral fusion mechanism through minimally invasive path approach of the invention, in bag along perpendicular to the centrum contact surface
Direction sets one or more through holes, and the space that the through hole is limited is bone grafting storehouse, and multiple bone grafting storehouses are conducive to rear symplectic bone to live
The injection of property material.
5th, the vertebral fusion mechanism through minimally invasive path approach of the invention, sets anti-skid structure can be with centrum contact surface
Effectively prevent vertebral fusion mechanism from being moved after implanting.
6th, the injection-tube of the vertebral fusion mechanism through minimally invasive path approach of the invention includes inner and outer tubes, outer tube it is remote
End sets the connector buckle-type of elastic bayonet lock and injection port to connect, and can both avoid using rotation is led by mistake caused by threaded connection
Cause to depart from and influence operation, can make it that the wall of filler delivery pipe is thinner by the design substitution screw thread of elastic bayonet lock again.
7th, the injection port of the vertebral fusion mechanism through minimally invasive path approach of the invention, which is provided with check-valves, can prevent from filling out
It is charged to the backing material leakage in bag.
Brief description of the drawings
Fig. 1 a are that the vertebral fusion mechanism through minimally invasive path approach is on the section perpendicular to the centrum contact surface
The structural representation of I-shaped；
Fig. 1 b are that the vertebral fusion mechanism through minimally invasive path approach is in square on the section perpendicular to the centrum contact surface
The structural representation of shape；
Fig. 2 a are the first contractile structural representations for limiting mechanism；
Fig. 2 b are second of contractile structural representations for limiting mechanism；
Fig. 2 c are the third contractile profiles for limiting mechanism along short transverse；
Fig. 3 a are the structural representations of the first through hole；
Fig. 3 b are the structural representations of second of through hole；
Fig. 4 a are the structural representations of the first bone active material mode of movement of vertebral fusion mechanism；
Fig. 4 b are the structural representations of second of bone active material mode of movement of vertebral fusion mechanism；
Fig. 5 a are the structural representations of the injection-tube of vertebral fusion mechanism；
Fig. 5 b are the partial enlarged drawings of the distal outer tube of the injection-tube of vertebral fusion mechanism；
Fig. 6 a are the structural representations that anti-skid structure is grid-shaped sheet material；
Fig. 6 b are the structural representations 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 network, and 22 are
Ring, 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.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, develop simultaneously embodiment referring to the drawings
The present invention is described in detail.
As illustrated in figs. 1A and ib, a kind of vertebral fusion mechanism through minimally invasive path approach, including bag 1 and fid
Material, the bag 1 can be folded or can shunk, and injection port 12 is set in one end of the bag 1, and the backing material 11 passes through institute
State the inside that injection port 12 injects the bag 1, during 1 expanded state of bag be cylindrical structural, the bag 1 with up and down
The face of centrum contact is centrum contact surface, contractile restriction mechanism 2 is set in the circumferencial direction of the bag 1, such as Fig. 1 a institutes
Show, during diameter when the contractile diameter for limiting mechanism 2 is less than the natural expanded state of the bag 1, bag 1 is implanted into
Interverbebral disc is interior and completes after the injection of the backing material 11, and the bag 1 is in perpendicular to the section of the centrum contact surface
I-shaped.As shown in Figure 1 b, when the contractile diameter for limiting mechanism 2 is equal to the nature of bag 1 expanded state
Diameter when, in the implantation interverbebral disc of bag 1 and complete after the injection of the backing material 11, the bag 1 is perpendicular to the vertebra
The rectangular in cross-section of contact level.
The bag 1 can be formed by implantable silk material braiding, for example, the braiding utricule of PET wire rods；Can also be
The film utricule that implantable material is made, the film utricule of for example, PTFE sintering.By injecting fid into bag 1
Material, may be such that the vertebral fusion mechanism is nonrated and adapts 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
It is fluid state in injection, the backing material 11 is injected to the bag 1, extremely after required cylindrical structural, the branch
Can voluntarily it solidify in the short time of timbering material 1, so as to provide stable support between upper hypocentrum.
Contractile position-limit mechanism 2 on the periphery of bag 1 cause when the bag 1 expands external diameter direction by
Limit, while upper hypocentrum limits the expansion of bag in short transverse, so described in being less than when the diameter of contractile restriction mechanism 2
During diameter during the natural expanded state of bag 1, in the implantation interverbebral disc of bag 1 and complete after the injection of the backing material 11, institute
Bag 1 is stated perpendicular to the section of the centrum contact surface in I-shaped as shown in Figure 1a.So cause and centrum contact surface
Shape size be controlled effectively, and in the case of identical centrum contact surface, due to the side of I-shaped structure
Towards sunken inside, more bone grafting volumes can be obtained.
In one embodiment, as shown in Figure 2 a, the contractile position-limit mechanism 2 is elastic tubing hollow out or elasticity
The network 21 of silk material braiding, the network 21 is the annular of upper and lower opening, passes through the connection side for being bonded or suturing
Formula is fixed on the periphery of bag 1, and this connected mode can avoid the mechanical snapping of complexity so that the vertebral fusion machine
Overall dimension is smaller after structure compression.When contractile position-limit mechanism 2 is the structure diametrically shunk, the vertebral fusion
Mechanism direct injection backing material after implantation intervertenral space, stands between hypocentrum after expansion；When contractile position-limit mechanism 2
For shunk along axis structure when, the vertebral fusion mechanism implantation intervertenral space after need to turn over erects come, then inject fid
Material, is supported between hypocentrum.
As shown in Figure 2 b, the contractile position limiting structure 2 can also be multiple parallel rings 22, be arranged on bag 1 and justify
On side face, the full shape of bag is limited.
In another embodiment, as shown in Figure 2 c, the contractile position-limit mechanism 2 is many without the soft of ductility
Property line or silk 23, it radially connects the periphery of the bag 1, the external diameter direction of the bag 1 is carried out it is spacing, then through upper
The spacing rear bag 1 of hypocentrum is in I-shaped or rectangle perpendicular to the section of the centrum contact surface, and then is caused and vertebra
The shape size of contact level is controlled effectively.
The bag 1 is additionally provided with through hole along perpendicular to the direction of 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 is limited, itself and institute
The packing space stated inside bag is mutually isolated, can be injected into bone grafting storehouse 15 bone active material make above and below vertebral fusion.As schemed
Such as shown in 3a, the through hole can be circle, or other shapes, square.As shown in Figure 3 b, the through hole
It can be multiple, there is communicating passage between multiple through holes.Multiple bone grafting storehouses are conducive to the injection of follow-up bone active material.
As shown in fig. 4 a, the side face of bag 1 is provided with the second through hole 17 for being connected with bone grafting storehouse 15, the injection port 12
The side of the second through hole 17 is arranged on, can be again to the second through hole after backing material 11 are injected into bag 1 by injection-tube 3
Insertion filling pipe filling bone active material, completes the implantation of whole vertebral fusion mechanism in 17.
As shown in Figure 4 b, the side face of bag 1 is provided with the first through hole 16 that is connected with bone grafting storehouse 15, the injection port 12
The side face for the through hole to form bone grafting storehouse is arranged on, and it is coaxial with first through hole 16, so inject the injection-tube 3 of backing material 11
It can be nested together in prepackage with the filling pipe of filling bone active material, in use, after injection backing material 11, extracting injection
Pipe 3 can fill bone active material, simple to operate coherent.
In one embodiment, check-valves is provided with injection port 12, the support being filled into bag can be prevented
Material is revealed.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
Into 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 relative said inner tube 31 axially movable, institute
The distal end for stating outer tube 32 sets elastic bayonet lock 321, and the distal end of said inner tube 31 passes through the elastic bayonet lock 321 and the connector
14 buckle-types are connected.When 31 elasticity of extension bayonet socket 321 of said inner tube, the stress of elastic bayonet lock 321 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.The distal end of outer tube 32 sets elastic bayonet lock 321
Being connected with the buckle-type of connector 14 of injection port 12 can both avoid using rotation causes to depart from influence by mistake caused by threaded connection
Operation, can make it that the overall wall of injection-tube 3 is thinner by the design substitution screw thread of elastic bayonet lock again.
In order to prevent vertebral fusion mechanism from being moved after implanting, set anti-on the centrum contact surface of the bag 1
Slipped Clove Hitch structure 13, as shown in Fig. 6 a and 6b, the anti-skid structure 13 is the hangnail or projection for being fixed on bag surface, with vertebra up and down
Body surface face is fitted together to, and prevents vertebral fusion system from shifting；As shown in Figure 6 a, the anti-skid structure 13 can also be grid-shaped sheet material,
When the bag 1 is filled, the stress of backing material 11 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 on, in the compressible sheet material and vertebra
Hangnail or projection are provided with the face of body contact.
Finally it should be noted that the foregoing is only the preferred embodiment of the present invention, this is not limited to
Invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it should be included in this hair
Within bright protection domain.
Claims (12)
1. a kind of vertebral fusion mechanism through minimally invasive path approach, it is characterised in that：Including bag (1) and backing material (11),
The bag (1) can be folded or can shrink, and injection port (12), the backing material (11) are set in one end of the bag (1)
The inside of the bag (1) is injected by the injection port (12), is cylindrical structural, institute during bag (1) expanded state
It is centrum contact surface to state the face that bag (1) contacts with upper hypocentrum, and contractile limit is set in the circumferencial direction of the bag (1)
Determine mechanism (2), when the contractile diameter for limiting mechanism (2) is less than or equal to the bag (1) nature expanded state
Diameter, when the bag (1) implantation interverbebral disc in and complete the backing material (11) injection when, the bag (1) perpendicular to
The section of the centrum contact surface is in I-shaped or rectangle.
2. the vertebral fusion mechanism according to claim 1 through minimally invasive path approach, it is characterised in that：It is described contractile
It is ring support to limit mechanism (2).
3. the vertebral fusion mechanism according to claim 2 through minimally invasive path approach, it is characterised in that：The ring support
It is multiple parallel rings (22) or network (21).
4. the vertebral fusion mechanism according to claim 1 through minimally invasive path approach, it is characterised in that：The bag (1)
Along the direction perpendicular to the centrum contact surface, through hole is set.
5. the vertebral fusion mechanism according to claim 4 through minimally invasive path 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.
6. the vertebral fusion mechanism according to claim 4 through minimally invasive path approach, it is characterised in that：The through hole is set
Be equipped with it is multiple, between multiple through holes have communicating passage.
7. the vertebral fusion mechanism according to claim 1 through minimally invasive path approach, it is characterised in that：Connect in the centrum
Anti-skid structure (13) is set in contacting surface.
8. the vertebral fusion mechanism according to claim 7 through minimally invasive path approach, it is characterised in that：The anti-skid structure
(13) it is grid-shaped sheet material, backing material (11) stress convexes into anti-skidding convex from the grid China and foreign countries of the grid-shaped sheet material
Rise.
9. the vertebral fusion mechanism according to claim 7 through minimally invasive path approach, it is characterised in that：The anti-skid structure
(13) it is compressible sheet material, hangnail or projection is set on the face that the compressible sheet material is contacted with centrum.
10. the vertebral fusion mechanism according to claim 7 through minimally invasive path approach, it is characterised in that：The anti-Slipped Clove Hitch
Structure (13) is integrally fixed at the hangnail or projection on the bag (1) surface.
11. the vertebral fusion mechanism according to claim 1 through minimally invasive path approach, it is characterised in that：In the injection
Check-valves is provided with mouth (12).
12. the vertebral fusion mechanism through minimally invasive path approach according to any one of claim 1-11, it is characterised in that：
The backing material (11) is spontaneous coagulation filling material of bone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298566.0A CN107049565B (en) | 2017-04-28 | 2017-04-28 | Centrum fusion mechanism for entering way through minimally invasive access |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298566.0A CN107049565B (en) | 2017-04-28 | 2017-04-28 | Centrum fusion mechanism for entering way through minimally invasive access |
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| CN107049565A true CN107049565A (en) | 2017-08-18 |
| CN107049565B CN107049565B (en) | 2020-04-21 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN108542557A (en) * | 2018-05-17 | 2018-09-18 | 唐朝阳 | Bone-cement type Invasive lumbar fusion device and its operating method |
| 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 |
| CN109758269A (en) * | 2019-02-27 | 2019-05-17 | 上海微创医疗器械（集团）有限公司 | Prosthese and prosthetic appliance for shoulder joint |
| CN110074902A (en) * | 2019-05-28 | 2019-08-02 | 上海凯利泰医疗科技股份有限公司 | A kind of vertebra filling device |
| CN113262084A (en) * | 2021-04-02 | 2021-08-17 | 宁波华科润生物科技有限公司 | Self-stabilizing zero-notch lumbar interbody fusion system |
| US11197766B1 (en) | 2021-02-19 | 2021-12-14 | Loubert S. Suddaby | Intervertebral disc replacement fusion prosthesis |
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