CN108542557A - Bone-cement type Invasive lumbar fusion device and its operating method - Google Patents
Bone-cement type Invasive lumbar fusion device and its operating method Download PDFInfo
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- CN108542557A CN108542557A CN201810473145.1A CN201810473145A CN108542557A CN 108542557 A CN108542557 A CN 108542557A CN 201810473145 A CN201810473145 A CN 201810473145A CN 108542557 A CN108542557 A CN 108542557A
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- 239000002639 bone cement Substances 0.000 title claims abstract description 126
- 230000004927 fusion Effects 0.000 title claims abstract description 109
- 238000011017 operating method Methods 0.000 title claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 77
- 239000007924 injection Substances 0.000 claims abstract description 77
- 238000009434 installation Methods 0.000 claims abstract description 34
- 230000010412 perfusion Effects 0.000 claims abstract description 7
- 210000000988 bone and bone Anatomy 0.000 claims description 16
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 210000001519 tissue Anatomy 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 230000001141 propulsive effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 239000004696 Poly ether ether ketone Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 229920002530 polyetherether ketone Polymers 0.000 description 3
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 206010058109 Hangnail Diseases 0.000 description 1
- 208000003618 Intervertebral Disc Displacement Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 208000007103 Spondylolisthesis Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000000735 allogeneic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
Abstract
The present invention discloses a kind of bone-cement type inter vertebral fusing device and its operating method, belong to the Invasive lumbar fusion device field of spinal operation, including bone-cement type fusion device, injection rod, installation screw rod, injection through-hole is equipped in injection rod, one end is open, the other end is equipped with locating convex block, and the endoporus with injection through-hole coaxial line is provided on locating convex block；Screw rod one end is installed and is equipped with end cap, the other end is thread head, and installation screw rod passes through the injection through-hole of injection rod, thread head to be threadedly coupled with bone-cement type fusion device；Set cavity in the bone-cement type fusion device, working face is equipped with multiple jag spikes, and long through-hole is provided on jag spike, is provided with short through-hole on working face, bone-cement type fusion device is equipped with threaded hole, is additionally provided with positioning shrinkage pool.The design can by bone cement by long and short through-hole to neighbouring section centrum perfusion, Invasive lumbar fusion device and neighbouring section moment are fused into an entirety, stablized.
Description
Technical field
The present invention relates to a kind of Invasive lumbar fusion device and its operating method for spinal operation, especially a kind of bone-cement types
Invasive lumbar fusion device operating method.
Background technology
Conventional Invasive lumbar fusion device is mainly used for spinal operation such as：The unstable operation of backbone needs fixed fusion, cervical vertebra, waist
Disc herniation lumbar discectomy, lumber spondylolisthesis operation etc..Conventional cage is by autologous bone or autologous bone and allogeneic
Bone is mixed into panelling behind interim gap, replants into intervertenral space.It allows after being implanted into bone and neighbouring centrum bone fusion and obtains backbone
Stabilization.What must be implanted among it is bone tissue.Preliminarily stabilised could be obtained after must waiting until knitting, the time needed is big
General to need 3-6 months, knitting plasticity well generally requires 2 years.Patient needs the time of bed braking very long.Conventional vertebra
Between fusion device have polyether-ether-ketone (Polyetheretherketone, PEEK) material and titanium alloy, also porous tantalum intervertebral
Fusion device.But it is required for implantation autologous bone and homogeneous allogenic bone, needs Bone Ingrowth after being implanted into intervertenral space, if implantation bone amount is not
Enough, fixation is insecure, and the factors such as infection cause implantation nonunion, do not grow into.Invasive lumbar fusion device just will appear loosening, further
It causes interior fixation to bear larger stress for a long time and fatigue fracture, in turn results in the failure of operation.It needs, from new revision procedure, to give
Patient causes great pain.And Invasive lumbar fusion device is implanted into for the gerontal patient of older osteoporosis, because sclerotin is dredged
Pine can not panelling, and it is easy invagination and loosens, and the modus operandi of direct bone grafting is used to need time for lying in bed longer, about needs
3-6 months time.
Invention content
The object of the present invention is to provide the bone cements for stablizing support that lumbar vertebrae can at once and be permanently obtained after a kind of merging
Type Invasive lumbar fusion device and its operating method, it is simple in structure, it is easy for installation.
The present invention proposes a kind of bone-cement type Invasive lumbar fusion device, including bone-cement type fusion device, injection rod, installation screw rod,
Injection through-hole is equipped in injection rod, one end is open, and the other end is equipped with locating convex block, is provided on locating convex block same with injection through-hole
Axis and the endoporus of connection；Screw rod one end is installed and is equipped with end cap, the other end is thread head, and installation screw rod passes through the injection of injection rod
Through-hole, thread head are threadedly coupled with bone-cement type fusion device；Cavity is set in the bone-cement type fusion device, is set on working face
Have the jag spike of multiple protrusions, long through-hole be provided on jag spike, is provided with short through-hole on working face, long through-hole, short through-hole with cavity phase
Logical, bone-cement type fusion device is equipped with and installs the matched threaded hole of screw flight head, is additionally provided with and locating convex block matches
The positioning shrinkage pool of conjunction.
Preferably, the bone-cement type fusion device has upper and lower two working face, and be connected handle on injection rod.
Two nose bars that locating convex block includes block, is extended on block, two nose bars are located at endoporus both sides, and the bone-cement type melts
Positioning shrinkage pool in clutch is two points of shrinkage pools being adapted with two nose bar shapes.
Locating convex block front is equipped with two fin columns, is set to two fin column symmetries endoporus both sides, the bone-cement type fusion
Positioning shrinkage pool on device is the location notch hole being adapted with locating convex block front shape.
The bone-cement type fusion device is flat bulk, and thickness can be according between the fixed two adjacent segments centrum of need
Spacing sets or selects, and bone-cement type fusion device is oval block, half round block, moon block teeth, droplet-shaped block or other irregular shapes
The segment centrum of block, shape and required positioning reserves installation space and is adapted.
The multiple size is different, thickness is different or variform bone-cement type fusion device is combined into bone-cement type fusion
Device module set, in case being selected according to the installation space of intervertebral when using.
It further includes dismountable syringe, when bone-cement type fusion device has been installed to intervertebral setting position, injection rod
Original position is kept, installation screw rod is reversely back-outed and recesses injection rod, injection rod keeps original position, and syringe and injection rod are sealed
Connection.
The nail tip of the jag spike is tilted to injection rod direction.
The present invention also proposes a kind of operating method of above-mentioned bone-cement type Invasive lumbar fusion device, which is characterized in that including following
Step：
A, first determine that vertebra needs the segment of fixed fusion, disc tissue excision is clean, and shave soleplate and residual
Tissue, from bone-cement type fusion device module set in selection bone-cement type fusion device carry out die trial, determine choose suitable thickness,
Highly, the bone-cement type Invasive lumbar fusion device of shape；
B, installation screw rod is passed through into injection rod, its thread head is melted device with bone cement to be threadedly coupled, and bone cement fusion is held
Bone-cement type Invasive lumbar fusion device is embedded in the intervertenral space handled well by device handle with bone hammer；
C, keep steady injection rod handle, and bone-cement type fusion device and injection rod is made to keep original position, and installation screw rod is reversely revolved
It twists, so that installation screw rod is exited the threaded hole of bone-cement type fusion device, then installation screw rod is detached from the injection through-hole of injection rod；
D, the syringe for having loaded bone cement is tightly connected with injection rod, is noted bone cement by the propulsive force of syringe
Enter the injection through-hole of injection rod, bone cement is successively by injection through-hole, bone-cement type fusion device, long and short through-hole to neighbouring section
Bone-cement type fusion device and neighbouring section centrum moment are fused into an entirety by centrum perfusion；
E, etc. after 5-10 minutes, injection rod is detached bone-cement type fusion device by bone cement solidification.
The beneficial effects of the invention are as follows：The working face of bone-cement type fusion device is equipped with the jag spike of multiple protrusions, and jag spike rises
To the friction increased between bone-cement type fusion device and upper-lower segment centrum, jag spike is pierced into the bone tissue between upper-lower segment centrum
It is interior, it plays and fixes the fusion device, prevent bone-cement type fusion device from exiting.Long and short through-hole, jag spike are provided on jag spike, on working face
On trepanning be both channel of the bone cement to centrum perfusion, so that bone cement is filled between neighbouring section centrum, by intervertebral fusion
Device and neighbouring section moment are fused into an entirety, and the trepanning on fusion device working face can make bone cement penetrate into neighbouring centrum
Bone face and fusion device surface make fusion device obtain and the fixation of centrum contact surface, can be obtained at once and forever after bone cement solidification
Long stabilization.The stereochemical structure that this jag spike is high, working face is low forms a pedestal body, so that bone cement is depended on, bone cement
It is more firm after solidification；Locating convex block is connected on injection rod, and bone-cement type fusion device is equipped with matched with locating convex block
Shrinkage pool is positioned, can be when installation screw rod reversely to be back-outed, injection rod props up bone-cement type fusion device by locating convex block and sustains
Reaction force when installation screw rod is reversely back-outed, so as not to the section up and down for making the upper and lower working face of bone-cement type fusion device contact
Soft tissue between section centrum is by reaction force.After installation screw rod is reversely back-outed, bone-cement type fusion device and injection rod keep former
Bone cement is injected bone-cement type fusion device cavity by position by bone cement injector, is saved to neighbouring by long through-hole, short through-hole
Invasive lumbar fusion device and neighbouring section moment are fused into an entirety, neighbouring section are realized after bone cement solidification by section centrum perfusion
Between connection and stablize support, then injection rod is exited.The nail tip of jag spike is tilted to injection rod direction, and being played such as hangnail prevents
The effect exited.Locating convex block phase and bone-cement type fusion device positioning shrinkage pool on injection rod are in more loose tolerance fit, positioning
Convex block can smoothly enter or exit positioning shrinkage pool.
In short, bone cement can be directly injected into bone-cement type fusion device cavity by the present invention, and made by long and short through-hole
Bone cement is fused into an entirety to neighbouring section centrum perfusion, by Invasive lumbar fusion device and neighbouring section moment, can obtain i.e.
Quarter and permanent stabilization, can make patient's early ambulation, 3-7 days vital signs stables of patient and wound situation can be made steady
It surely can out-of-bed activity.When special gerontal patient's osteoporosis is not suitable for merging routine fusion device, the bone-cement type can be placed in
Fusion device can at once and permanently obtain the stabilization of lumbar vertebrae, and the complication for caused by avoiding long-term bed has apparent, huge
Advantage.The present apparatus is simple in structure, and production cost is low, while the design can reduce the application of internal fixation nail bar system, even
Internal fixation system can not be had to, it is possible to reduce the medical expense of patient.There is good social and economic benefit.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the bone-cement type fusion device and locating convex block modular construction schematic diagram of the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of the embodiment of the present invention two；
Fig. 4 is the bone-cement type fusion device and locating convex block modular construction schematic diagram of the embodiment of the present invention two；
Fig. 5 is the bone-cement type fusion device and locating convex block modular construction schematic diagram of the embodiment of the present invention three；
Reference numeral：Bone-cement type fusion device 1, injection rod 2, installation screw rod 3, injection through-hole 4, end cap 5, thread head 6, work
Make face 7, jag spike 8, long through-hole 9, short through-hole 10, threaded hole 11, handle 12, block, two nose bars 14, be divided to shrinkage pool 15, two fin columns
16, location notch hole 17.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Embodiment one
Referring to Fig.1,2, the present embodiment includes bone-cement type fusion device 1, injection rod 2, installation screw rod 3, is equipped in injection rod
Through-hole 4 is injected, one end is open, and the other end is equipped with locating convex block, is provided on locating convex block and injects through-hole coaxial line and be connected to
Endoporus；3 one end of screw rod is installed and is equipped with end cap 5, the other end is thread head 6, and installation screw rod 3 passes through the injection through-hole of injection rod 2
4, thread head is threadedly coupled with bone-cement type fusion device 1；Cavity is set in the bone-cement type fusion device 1, there is upper and lower two work
Face 7, working face 7 are equipped with the jag spike 8 of multiple protrusions, and long through-hole 9 is provided on jag spike 8, is provided with short through-hole 10 on working face, long to lead to
Hole 9, short through-hole 10 are communicated with cavity, and bone-cement type fusion device 1 is equipped with and the installation matched screw thread of screw flight head
Hole 11 is additionally provided with and the matched positioning shrinkage pool of locating convex block.Be connected handle 12 on injection rod.Locating convex block includes block
13, two nose bars 14 extended on block, two nose bars 14 are located at endoporus both sides, the positioning shrinkage pool on the bone-cement type fusion device 1
It is the two points of shrinkage pools 15 being adapted with two nose bar shapes.The bone-cement type fusion device 1 is flat bulk, and thickness can basis
It needs the spacing setting between fixed two adjacent segments centrum or selects, bone-cement type fusion device 1 is oval block, half round block, the moon
The segment centrum of block teeth, droplet-shaped block or other irregular shape blocks, shape and required positioning reserves installation space and is adapted.
It further includes dismountable syringe, and when bone-cement type fusion device 1 has been installed to intervertebral setting position, injection through-hole 4 is kept
Original position reversely back-outs installation screw rod 3, recesses injection rod 2, injection rod 2 keeps original position, and syringe and injection rod 2 is close
Envelope connection.
The present embodiment also provides a kind of operating method of above-mentioned bone-cement type Invasive lumbar fusion device, includes the following steps：
A, it first determines that vertebra needs the segment of fixed fusion, then disc tissue excision is clean, is used in combination soleplate to shave residual
The tissue stayed minces, and selection bone-cement type fusion device carries out die trial from bone-cement type fusion device module set, and determination chooses suitable
When thickness, the bone-cement type Invasive lumbar fusion device of height, shape, soleplate here refers to the bottom soleplate of cartilage；
B, installation screw rod is passed through into injection rod, its thread head is melted device with bone cement to be threadedly coupled, and bone cement fusion is held
Bone-cement type Invasive lumbar fusion device is embedded in the intervertenral space handled well by device handle with bone hammer；
C, keep steady injection rod handle, and bone-cement type fusion device and injection rod is made to keep original position, and installation screw rod is reversely revolved
It twists, so that installation screw rod is exited the threaded hole of bone-cement type fusion device, then installation screw rod is detached from the injection through-hole of injection rod；
D, the syringe for having loaded bone cement is tightly connected with injection rod, is noted bone cement by the propulsive force of syringe
Enter the injection through-hole of injection rod, bone cement is successively by injection through-hole, bone-cement type fusion device, long and short through-hole to neighbouring section
Bone-cement type fusion device and neighbouring section centrum moment are fused into an entirety by centrum perfusion；
E, etc. after 5-10 minutes, injection rod is detached bone-cement type fusion device by bone cement solidification.
Embodiment two
With reference to Fig. 3,4, the present embodiment and embodiment one are essentially identical, the difference is that, locating convex block and positioning shrinkage pool
Structure is different.Locating convex block front is equipped with two fin columns 16, and two fin columns 16 are symmetrically set to endoporus both sides, the bone-cement type
Positioning shrinkage pool on fusion device 1 is the location notch hole 17 being adapted with locating convex block front shape.
Embodiment three
With reference to Fig. 5, the present embodiment and embodiment two are essentially identical, the difference is that, the nail tip of jag spike 8 is to injection rod side
To inclination, play the role of preventing from exiting.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
Equivalent structure transformation made by description of the invention and accompanying drawing content is applied directly or indirectly in relevant technical field,
It is included within the scope of the present invention.
Claims (9)
1. a kind of bone-cement type inter vertebral fusing device, which is characterized in that including bone-cement type fusion device, injection rod, screw rod is installed,
Injection through-hole is equipped in injection rod, one end is open, and the other end is equipped with locating convex block, is provided on locating convex block logical with injection
Hole coaxial line and the endoporus of connection；
Screw rod one end is installed and is equipped with end cap, the other end is thread head, and installation screw rod passes through the injection through-hole of injection rod, thread head
It is threadedly coupled with bone-cement type fusion device；
Set cavity in the bone-cement type fusion device, working face is equipped with the jag spike of multiple protrusions, be provided on jag spike long through-hole,
Short through-hole is provided on working face, long through-hole, short through-hole are communicated with cavity, and bone-cement type fusion device is equipped with and installation screw rod
The matched threaded hole of thread head is additionally provided with and the matched positioning shrinkage pool of locating convex block.
2. bone-cement type inter vertebral fusing device according to claim 1, which is characterized in that the bone-cement type fusion device has
Upper and lower two working face, be connected on injection rod handle.
3. bone-cement type inter vertebral fusing device according to claim 1, which is characterized in that locating convex block includes block, block
Two nose bars extended on body, two nose bars are located at endoporus both sides, and the positioning shrinkage pool on the bone-cement type fusion device is and two nose bars
Two points of adaptable shrinkage pools of shape.
4. bone-cement type inter vertebral fusing device according to claim 1, which is characterized in that it is convex that locating convex block front is equipped with two
Prism is set to endoporus both sides to two fin column symmetries, the positioning shrinkage pool on the bone-cement type fusion device be with before locating convex block
The adaptable location notch hole of portion's shape.
5. bone-cement type inter vertebral fusing device according to claim 1, which is characterized in that the bone-cement type fusion device is
Flat bulk, thickness can set or select according to the spacing needed between fixed two adjacent segments centrum, bone-cement type fusion
Device is oval block, half round block, moon block teeth, droplet-shaped block or other irregular shape blocks, the segment vertebra of shape and required positioning
Body is reserved installation space and is adapted.
6. bone-cement type inter vertebral fusing device according to claim 5, which is characterized in that the multiple size is different, thick
Degree difference or variform bone-cement type fusion device are combined into bone-cement type fusion device module set, in case according to intervertebral when using
Installation space select.
7. bone-cement type inter vertebral fusing device according to claim 1, which is characterized in that it further includes removably injecting
Device, when bone-cement type fusion device has been installed to intervertebral setting position, injection rod keeps original position, and installation screw rod is reversely back-outed
Injection rod is recessed, injection rod keeps original position, and syringe and injection rod are tightly connected.
8. bone-cement type inter vertebral fusing device according to claim 1, which is characterized in that the nail tip of the jag spike is to injection
Bar direction tilts.
9. a kind of operating method of bone-cement type inter vertebral fusing device described in claim 1, which is characterized in that including following step
Suddenly：
A, first determine that vertebra needs the segment of fixed fusion, disc tissue is extractd it is clean, and by soleplate and remaining tissue
It shaves, selection bone-cement type fusion device carries out die trial from bone-cement type fusion device module set, and determination chooses suitable thickness, height
The bone-cement type Invasive lumbar fusion device of degree, shape；
B, installation screw rod is passed through into injection rod, its thread head is melted device with bone cement to be threadedly coupled, and bone cement fusion device hand is held
Bone-cement type Invasive lumbar fusion device is embedded in the intervertenral space handled well by handle with bone hammer；
C, keep steady injection rod handle, and bone-cement type fusion device and injection rod is made to keep original position, and installation screw rod is reversely screwed, is made
Installation screw rod exits the threaded hole of bone-cement type fusion device, then installation screw rod is detached from the injection through-hole of injection rod；
D, the syringe for having loaded bone cement is tightly connected with injection rod, bone cement is injected by the propulsive force of syringe and is noted
Penetrate the injection through-hole of bar, bone cement is successively by injection through-hole, bone-cement type fusion device, long and short through-hole to neighbouring section centrum
Perfusion, an entirety is fused by bone-cement type fusion device and neighbouring section centrum moment；
E, etc. after 5-10 minutes, injection rod is detached bone-cement type fusion device by bone cement solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810473145.1A CN108542557A (en) | 2018-05-17 | 2018-05-17 | Bone-cement type Invasive lumbar fusion device and its operating method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810473145.1A CN108542557A (en) | 2018-05-17 | 2018-05-17 | Bone-cement type Invasive lumbar fusion device and its operating method |
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| CN108542557A true CN108542557A (en) | 2018-09-18 |
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| CN201810473145.1A Pending CN108542557A (en) | 2018-05-17 | 2018-05-17 | Bone-cement type Invasive lumbar fusion device and its operating method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549698A (en) * | 2018-11-28 | 2019-04-02 | 李雷 | A kind of orthopaedics bone grafting device |
| CN109730816A (en) * | 2019-03-19 | 2019-05-10 | 卿培东 | A kind of Invasive lumbar fusion 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102488574A (en) * | 2011-12-09 | 2012-06-13 | 中国科学院深圳先进技术研究院 | Interbody fusion cage |
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| CN109549698B (en) * | 2018-11-28 | 2021-05-21 | 青岛市妇女儿童医院 | Orthopedics bone grafting device |
| CN109730816A (en) * | 2019-03-19 | 2019-05-10 | 卿培东 | A kind of Invasive lumbar fusion 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 |
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