CN107753157A - Cervical fusion cage - Google Patents
Cervical fusion cage Download PDFInfo
- Publication number
- CN107753157A CN107753157A CN201710986494.9A CN201710986494A CN107753157A CN 107753157 A CN107753157 A CN 107753157A CN 201710986494 A CN201710986494 A CN 201710986494A CN 107753157 A CN107753157 A CN 107753157A
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- wall
- device body
- hole
- fusion device
- fusion
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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
- A61F2/4455—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
- A61F2/447—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 substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
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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
- A61F2/30721—Accessories
- A61F2/30749—Fixation appliances for connecting prostheses to the body
-
- 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
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
-
- 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
- A61F2002/302—Three-dimensional shapes toroidal, e.g. rings
-
- 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
- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30622—Implant for fusing a joint or bone material
-
- 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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
-
- 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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30818—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves castellated or crenellated
-
- 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
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
Abstract
The invention discloses a kind of cervical fusion cage, the Invasive lumbar fusion device be by 3D printer by the structural member of titanium alloy material one printing shaping, by up/down perforation fusion device body and be fused device body and surround formed bone graft area and form；It is intensive on upper and lower, front and rear and left and right directions in the annular wall of fusion device body to be provided with through hole；Flank of tooth grooving is also preferably equipped with the annular wall of fusion device body；The right wall of fusion device body is preferably provided with slot device and instrument hole.Cervical fusion cage intensity provided by the invention is higher, and the porosity of fusion device body reaches 50% to 80%, is advantageous to bone tissue growth, disclosure satisfy that the demand of fusion between cervical vertebra.
Description
Technical field
The present invention relates to the implant for vertebrae, belongs to fixed network in intervertebral fusion, and in particular to a kind of cervical vertebra
Fusion device.
Background technology
Spinal fusion is one of most widely used technology of spinal surgery, mainly stablizes and is implanted at once by establishing backbone
Thing ostosis effect, bone inductive effect, bone conduction effect promote backbone Bony union.
Intervertebral disc of cervical vertebra degenerative disorders are one of common spinal diseases.Current treatment method be usually fusion device and
Steel plate combination is used, and wound is big, and operating procedure is more, and pain is brought to patient, and long the time required to postoperation recovery, easily
Trigger complication.
Chinese patent literature CN206198104U（Application number 201620882381.5）Disclose a kind of cervical vertebral fusion cage.By
First fusion device body and the second fusion device body assembly, and cervical vertebral fusion cage center is provided with bone grafting hole, in bone grafting hole
Provided with pilot pin, the upper and lower surface of the cervical vertebral fusion cage is additionally provided with non-slipping block, and the both sides in the bone grafting hole are additionally provided with auxiliary and determined
Position hole.Cervical vertebral fusion cage of the present utility model is made up of the assembling of 2 pieces of fusion device bodies, can be according to being actually needed to fusion device
Character and size are finely adjusted, and more adapt to be actually needed, provided with 2 auxiliary positioning holes so that combine between fusion device and bone
More firmly, pilot pin is set so that the bone amount of implantation is easily controlled, and is implanted into smooth.The utility model is disclosed to be merged
Device can be to a certain extent meet the needs of cervical vertebra, but due to being the assembling structure of two fusion device bodies, in fact
The integrally-built mechanical property in border is unsatisfactory, the relatively low long-term existence being also unsuitable between cervical vertebra of modulus of elasticity, may be to neck
The sclerotin of intervertebral causes certain stress damage, and secondly the bone grafting hole of the fusion device only has one, can not fully meet sclerotin
The needs of growth.
The content of the invention
It is an object of the invention to solve the above problems, there is provided a kind of intensity for cervical intervertebral is preferable and right after surgery
The preferable neck Invasive lumbar fusion device of growth result of sclerotin etc..
The technical solution adopted for the present invention to solve the technical problems is：Cervical fusion cage provided by the invention is logical
3D printer is crossed by the structural member of titanium alloy material one printing shaping.The Invasive lumbar fusion device by up/down perforation fusion device body
And be fused device body and surround formed bone graft area composition, i.e., fusion device body is by the essentially identical annular wall structure of wall thickness
Into so that the cross section of fusion device body is the essentially identical annular of thickness.The porosity of fusion device body reach 50% to
80%.The annular wall of fusion device body can be divided into antetheca, right wall, rear wall and left wall.The outer surface of fusion device body is divided into bone grafting
Area surface and non-bone graft area surface, non-bone graft area surface can be divided into upper surface, lower surface and surrounded surface all around.Melt
The inner surface of clutch body is to be sequentially connected and the inner side of right wall by the respective inner surface of antetheca, right wall, rear wall and left wall
Surface is connected and formed with antetheca inner surface.The inner surface of fusion device body is bone graft area surface.
The annular wall of the fusion device body is provided with the through hole of intensive setting, including front and rear leads to through hole and upward and downward
Hole.Wherein upward and downward through hole is arranged in the annular wall of fusion device body along the vertical direction, and the through hole of each upward and downward is circle
Through hole, all upward and downward through holes are uniformly distributed, and the upper port of each upward and downward through hole is set on an upper, each upward and downward through hole
Lower port is set on the lower surface.It is described it is front and rear be arranged on antetheca and be arranged on rear wall along the longitudinal direction to through hole, it is left
Dextrad through hole is arranged in right wall and is arranged in left wall in left-right direction, it is each it is front and rear to through hole and each left and right to through hole be water chestnut
Shape bone grafting hole.
The fixing tooth of multiple anti-backs is each respectively equipped with the upper and lower surface of the fusion device body.
The annular wall of the fusion device body is provided with several flank of tooth groovings, is distributed in the lower surface and upper surface of annular wall
On；On the lower surface, 3 flank of tooth groovings are provided with left-right direction, wherein 2 respectively positioned at lower surface front wall section on and
On rear wall section, a middle part for being located at lower surface, and on right wall part and on left wall part in addition；On the lower surface,
2 flank of tooth groovings are also provided with along the longitudinal direction, respectively in the front wall section of lower surface and on rear wall section.
On an upper, 4 flank of tooth groovings are provided with fore-and-aft direction in left-right direction respectively, it is only few compared with lower surface
One flank of tooth grooving for being located at middle part.Such setting is mainly used for increasing the flank of tooth and the contact of spinal bone, prevents from merging
The loosening of device and come off.
The fusion device body is made up of the essentially identical annular wall of wall thickness, and wall wide H is 2-5mm.
The upper and lower surface of shown fusion device body is respectively equipped with the fixing tooth of multiple anti-backs.
Described right wall is additionally provided with a slot device, and the central part in slot device is described provided with an instrument hole
Instrument hole is the through hole of insertion right wall.
The good effect that the present invention has：
（1）The fusion device body of cervical fusion cage provided by the invention has outside the physiologic radian to match with cervical intervertebral
Shape, the mechanical support at initial stage is implanted into for cervical fusion cage, there is excellent antifatigue mechanical property；And bone graft area is being planted
Entering the later stage coordinates the bone grafting hole of all directions set on fusion device body, can preferably complete the regeneration of sclerotin with again
Build, the physiological loads of cervical vertebra are cooperatively undertaken with fusion device body construction.
（2）The porosity of the fusion device body of the cervical fusion cage of the present invention reaches 50% to 80%, and this to merge
Device body has the presence that all directions have bone grafting hole, actually a fusion device inherently open space structure, tool
There is the possibility that sclerotin can be allowed to extend on late growing stage to all directions, preferably cervical fusion cage can be allowed to incorporate
Intervertebral.
（3）The fusion device body of the cervical fusion cage of the present invention is due to there is the bone grafting hole towards multiple directions so that
There is certain elasticity for the fusion device of material by titanium alloy, compensate for that script titanium alloy material modulus of elasticity is too high can be to sclerotin
The defects of bringing damage.
（4）The annular wall of the fusion device body of the cervical intervertebral of the present invention is provided with several flank of tooth groovings, such setting
The flank of tooth and the contact of spinal bone are added, the loosening of fusion device is prevented and comes off.
Brief description of the drawings
Fig. 1 is a kind of schematic perspective view of the cervical fusion cage of the present invention.
The right side that Fig. 2 is Fig. 1 regards schematic diagram.
Fig. 3 is Fig. 1 left view schematic diagram.
Fig. 4 is Fig. 1 schematic top plan view.
Fig. 5 is Fig. 1 schematic rear view.
Fig. 6 is the schematic perspective view that the cervical fusion cage shown in Fig. 1 is placed between cervical vertebra.
Reference in above-mentioned accompanying drawing is as follows：
Fusion device 1, upper surface 11, lower surface 12, antetheca 13, right wall 14, slot device 14-1, instrument hole 14-2, rear wall 15, left wall
16, bone graft area 17, bone grafting hole 18, rhombus bone grafting hole 18-1, circular bone grafting hole 18-2, fixing tooth 19, wall wide H.
Embodiment
Embodiments of the invention are elaborated below in conjunction with the accompanying drawings：Following examples using technical solution of the present invention as
Under the premise of implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
（Embodiment 1）
As shown in figure 1, the neck Invasive lumbar fusion device of the present embodiment is by titanium alloy material one printing shaping by 3D printer
Structural member.The Invasive lumbar fusion device by up/down perforation fusion device body 1 and be fused device body 1 and surround formed bone graft area
17 compositions, namely fusion device body 1 is made up of the essentially identical annular wall of wall thickness, so that fusion device body 1 is transversal
Face is the essentially identical annular of thickness.The porosity of fusion device body 1 reaches 50% to 80%.The annular wall of fusion device body 1 can
It is divided into antetheca 13, right wall 14, rear wall 15 and left wall 16.The outer surface of fusion device body 1 is divided into bone graft area surface and non-bone grafting
Area surface, non-bone graft area surface can be divided into upper surface 11, lower surface 12 and surrounded surface all around.Fusion device body 1
Inner surface to be sequentially connected and in right wall 14 by the respective inner surface of antetheca 13, right wall 14, rear wall 15 and left wall 16
Side surface is connected and formed with the inner surface of antetheca 13.The inner surface of fusion device body 1 is bone graft area surface.
The annular wall of fusion device body 1 is provided with the through hole of intensive setting, including front and rear to through hole 18-1, left and right to through hole
18-1 and upward and downward through hole 18-2.Wherein upward and downward through hole 18-2 is arranged in the annular wall of fusion device body 1 along the vertical direction,
The through hole 18-2 of each upward and downward is manhole, and all upward and downward through hole 18-2 are uniformly distributed, each upward and downward through hole 18-2's
Upper port is arranged on upper surface 11, and each upward and downward through hole 18-2 lower port is arranged on lower surface 12.It is described it is front and rear to
Through hole 18-1 is arranged on antetheca 13 and is arranged on rear wall 15 along the longitudinal direction, and left and right is set in left-right direction to through hole 18-1
In right wall 14 and be arranged in left wall 16, it is each it is front and rear to through hole 18-1 and each left and right to through hole 18-1 be rhombus bone grafting hole.
As shown in Figure 3 and Figure 5, the annular wall of fusion device body 1 is provided with several flank of tooth groovings 20, is distributed in annular wall
On lower surface 11 and upper surface 12.
On lower surface 12,3 flank of tooth groovings 20 are provided with left-right direction, wherein 2 are located at lower surface 12 respectively
In front wall section and on rear wall section, a middle part for being located at lower surface, and on right wall part and on left wall part in addition；
On lower surface 12,2 flank of tooth groovings 20 are also provided with along the longitudinal direction, respectively in the front wall section of lower surface and rear wall
On part.
On upper surface 11, difference is provided with 4 flank of tooth groovings 20 with fore-and-aft direction in left-right direction, with the phase of lower surface 12
Than only less one flank of tooth grooving 20 for being located at middle part.Such setting is mainly used for increasing the flank of tooth and the contact of spinal bone,
Prevent the loosening of fusion device and come off.
As shown in figure 4, fusion device body 1 is made up of the essentially identical annular wall of wall thickness, wall wide H is 3mm.
As shown in figure 5, the fixation of multiple anti-backs is each respectively equipped with the upper surface 11 and lower surface 12 of fusion device body 1
Tooth 19.
As shown in Fig. 2 described right wall 14 is additionally provided with slot device 14-1, the two slot devices 14-1 central part is provided with
One instrument hole 14-2, described instrument hole 14-2 are the through hole of insertion right wall 14.Such setting is for convenience of conveying is coordinated
Fusion device 1 is sent into intervertebral specified location by instrument.
As shown in figure 5, the lateral surface of the right wall 14 of the fusion device body of described cervical intervertebral, which is one, has certain song
The curved surface of rate, and the curved surface and the curved surface of the corresponding side of the front and rear side of cervical vertebra are corresponding.
Fig. 6 is the cervical fusion cage of the present embodiment in intervertebral（Between C2-C7）Assembling schematic diagram, it is actual to assemble
During, first by the remaining cartilage of intervertebral and the polishing of broken bone suitably to the size of fusion device, then by remnants cartilage and broken
Bone loads the implantation region 17 and bone grafting hole 18 of cervical fusion cage, is then conveyed cervical fusion cage with delivery instrument
To specified location.
Claims (6)
1. a kind of cervical fusion cage, for by 3D printer, by the structural member of titanium alloy material one printing shaping, it is special
Sign is：The Invasive lumbar fusion device by up/down perforation fusion device body（1）And it is fused device body（1）Surround formed plant
Bone area（17）Composition, and fusion device body（1）It is to be made up of the essentially identical annular wall of wall thickness, so that fusion device body
（1）Cross section be the essentially identical annular of thickness；Fusion device body（1）Annular wall on intensive be provided with communicated with the external world
Through hole, and fusion device body（1）Porosity reach 50% to 80%；
Described fusion device body（1）Annular wall include the antetheca that is sequentially connected（13）, right wall（14）, rear wall（15）And left wall
（16）, right wall（14）And and antetheca（13）It is connected；Fusion device body（1）Outer surface be divided into upper surface（11）, lower surface（12）
And all around outer surface of surrounding, fusion device body（1）Inner surface be by antetheca（13）, right wall（14）, rear wall
（15）And left wall（16）Respective inner surface be sequentially connected and right wall（14）Inner surface and antetheca（13）Inner surface
It is connected and forms；Fusion device body（1）Inner surface be bone graft area surface.
2. cervical fusion cage according to claim 1, it is characterised in that：Described fusion device body（1）Annular
On wall intensive setting through hole to be front and rear to through hole（18-1）, left and right is to through hole（18-1）With upward and downward through hole（18-2）；Institute
The upward and downward through hole stated（18-2）Fusion device body is arranged on along the vertical direction（1）Annular wall on, and all upward and downward through holes
（18-2）It is uniformly distributed, each upward and downward through hole（18-2）Upper port be arranged on upper surface（11）On, each upward and downward through hole（18-
2）Lower port be arranged on lower surface（12）On, the through hole of each upward and downward（18-2）It is manhole；Described is front and rear to logical
Hole（18-1）Antetheca is arranged on along the longitudinal direction（13）Go up and be arranged on rear wall（15）On, left and right is to through hole（18-1）Along right and left
To being arranged on right wall（14）Go up and be arranged on left wall（16）On, it is each front and rear to through hole（18-1）With each left and right to through hole（18-1）
For rhombus bone grafting hole.
3. cervical fusion cage according to claim 1, it is characterised in that：Described fusion device body（1）Annular
Wall wall thickness is essentially identical, and its width H is 2-5mm.
4. cervical fusion cage according to claim 1, it is characterised in that：Described fusion device body（1）Annular
Wall is provided with several flank of tooth groovings（20）, the upper surface of annular wall is distributed in respectively（11）With lower surface（12）；In lower surface
（12）On, 3 flank of tooth groovings are provided with left-right direction（20）, wherein 2 are located at lower surface respectively（12）Front wall section on
On rear wall section, one is located at lower surface in addition（12）Middle part, and on the right wall part and on left wall part；In following table
Face（12）On, 2 flank of tooth groovings are also provided with along the longitudinal direction（20）, respectively positioned at lower surface（12）Front wall section on and after
In wall part；
In upper surface（11）On, difference is provided with 4 flank of tooth groovings with fore-and-aft direction in left-right direction（20）, with lower surface（12）Phase
Than only less one flank of tooth grooving for being located at middle part（20）.
5. cervical fusion cage according to claim 1, it is characterised in that：Described fusion device body（1）Upper table
Face（11）And lower surface（12）On be each respectively equipped with the fixing tooths of multiple anti-backs（19）.
6. cervical fusion cage according to claim 1, it is characterised in that：Described fusion device body（1）The right side
Wall（14）Provided with a slot device（14-1）, slot device（14-1）Central part be additionally provided with an instrument hole（14-2）, it is described
Instrument hole（14-2）To penetrate right wall（14）Through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986494.9A CN107753157A (en) | 2017-10-20 | 2017-10-20 | Cervical fusion cage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986494.9A CN107753157A (en) | 2017-10-20 | 2017-10-20 | Cervical fusion cage |
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| CN107753157A true CN107753157A (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710986494.9A Pending CN107753157A (en) | 2017-10-20 | 2017-10-20 | Cervical fusion cage |
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| CN (1) | CN107753157A (en) |
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| CN113017939A (en) * | 2021-04-27 | 2021-06-25 | 深圳大洲医学科技有限公司 | Intervertebral fusion cage and preparation method thereof |
| WO2022042031A1 (en) * | 2020-08-28 | 2022-03-03 | 北京智塑健康科技有限公司 | Intervertebral fusion cage |
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Address after: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Applicant after: Changzhou Huasen Medical Instrument Co.,Ltd. Address before: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Applicant before: CHANGZHOU WASTON MEDICAL APPLIANCE Co.,Ltd. |