CN108451618A - Vertebral laminectomy stabilizer - Google Patents
Vertebral laminectomy stabilizer Download PDFInfo
- Publication number
- CN108451618A CN108451618A CN201710096288.0A CN201710096288A CN108451618A CN 108451618 A CN108451618 A CN 108451618A CN 201710096288 A CN201710096288 A CN 201710096288A CN 108451618 A CN108451618 A CN 108451618A
- Authority
- CN
- China
- Prior art keywords
- support column
- stabilizer
- mounting hole
- support
- lantern ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7064—Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
A kind of Vertebral laminectomy stabilizer, including the first support unit, the second support unit and an at least fixing piece.First support unit includes the first support base and the first support column.First support base has the first abutment face and first surface with respect to the first abutment face.First support column is arranged on the first surface.Second support unit is movably sheathed on the first support unit, wherein the second support unit includes the second support base and the second support column.Second support base has the second abutment face and second surface with respect to the second abutment face.Second support column is arranged on a second surface.Fixing piece is configured to wear and fix the first support column and the second support column.The Vertebral laminectomy stabilizer of the present invention can adjust different length according to demand, and supraspinal stability is mounted on so as to increasing.
Description
Technical field
The present invention is a kind of Vertebral laminectomy stabilizer, stabilizer that is espespecially adjustable and abutting Vertebral laminectomy.
Background technology
It please refers to shown in Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 are to be painted a kind of use state of the prominent stabilizer of existing vertebra ridge
Figure.Vertebra ridge stabilizer of dashing forward 80 is primarily used to be arranged between two adjacent vertebraes 90, is subject to reduce spinal nerve
Compressing.Furthermore, vertebra ridge stabilizer of dashing forward 80 can be used to support two adjacent vertebraes 90, to increase by two adjacent vertebras
The distance of bone 90, and then reduce compressing of the vertebrae 90 to nerve.
As shown in Figures 1 and 2, the prominent stabilizer 80 of vertebra ridge includes an ontology 81.The opposite end of ontology 81 have against
Portion 81a.Therefore, when vertebra ridge dash forward stabilizer 80 be arranged between two adjacent vertebraes 90 when, two butting section 81a of ontology 81
It bears against on the ridge prominent 91 of two adjacent vertebraes 90.
Separately please with reference to shown in Fig. 3, be painted a kind of existing vertebra ridge dash forward stabilizer when in use with vertebrae
Relative position schematic diagram.However, when vertebra ridge dash forward stabilizer 80 butting section 81a against ridge dash forward 91 when, butting section 81a is provided
Support force mainly concentrate on ridge prominent 91.It is thinner part in vertebrae 90 since ridge dashes forward 91, therefore when prominent 91 length of ridge
When phase stress, it be easy to cause prominent 91 fracture of ridge (breaking part 910a is as shown in Figure 3).
On the other hand, since dash forward stabilizer 80 of existing vertebra ridge has to be installed on ridge prominent 91, but because human body
Recommend vertebra and prominent without ridge, therefore existing vertebra ridge is dashed forward stabilizer 80 and can not use lumbar vertebrae final section with recommend vertebra first segment
On.
Invention content
Therefore, a purpose of the invention is to provide a kind of Vertebral laminectomy stabilizer, prominent steady to improve existing vertebra ridge
Determine the problem of device be easy to cause ridge prominent fracture.
Above-mentioned purpose according to the present invention proposes a kind of Vertebral laminectomy stabilizer.This Vertebral laminectomy stabilizer includes first
Support unit, the second support unit and an at least fixing piece.First support unit includes the first support base and the first support
Column.First support base has the first abutment face and first surface with respect to the first abutment face.First support column is arranged in the first table
On face.Second support unit is movably sheathed on the first support unit, wherein the second support unit include the second support base with
And second support column.Second support base has the second abutment face and second surface with respect to the second abutment face.Second support column is set
It sets on a second surface.Fixing piece is configured to wear and fix the first support column and the second support column.
An embodiment according to the present invention, the first above-mentioned support column have at least one first mounting hole.Second support
There is column at least one second mounting hole to correspond to the first mounting hole.Fixing piece is to be each passed through and be fixed on the first mounting hole and
In two mounting holes.
Another embodiment according to the present invention, the first above-mentioned abutment face have three the first concave arcs of radial arrangement
Portion, and the second abutment face has three the second concave-arc parts of radial arrangement.
Another embodiment according to the present invention, above-mentioned Vertebral laminectomy stabilizer also include a lantern ring.Wherein, lantern ring is arranged
In outside the second support column and the first support column.
Another embodiment according to the present invention, the first above-mentioned support column have at least one first mounting hole.Second
There is dagger at least one second mounting hole to correspond to the first mounting hole respectively.Each first mounting hole and the second mounting hole are one
Perforation.There is lantern ring at least one first screw hole to correspond to first mounting hole and second mounting hole.Fixing piece has threaded portion,
And fixing piece is to be each passed through the first screw hole, the second mounting hole and the first mounting hole, and the threaded portion of fixing piece is to be screwed together in
In first screw hole.
Another embodiment according to the present invention, above-mentioned fixing piece also include head.Head is to be respectively set with threaded portion
At opposite two ends of fixing piece.Lantern ring also has at least one second screw hole, wherein the second screw hole and the first screw hole are located at set
Opposite two sides of ring, and head is located in the second screw hole.
Another embodiment according to the present invention, above-mentioned Vertebral laminectomy stabilizer also include nut.Nut lock is set to second
In screw hole, and against the head of fixing piece.
The surface of another embodiment according to the present invention, the first above-mentioned support column, the second support column and lantern ring includes
One convex globoidal and a cancave cambered surface.
Another embodiment according to the present invention, above-mentioned lantern ring is a metal collar, and the first support base and second supports
The material of seat is different from the material of lantern ring.
Another embodiment according to the present invention, above-mentioned lantern ring have opposite big opening and small opening.Wherein, lantern ring
Also have a block wing around small opening, wherein the bottom surface of the second support column is sticked in block wing.
It can be seen from the above, the Vertebral laminectomy stabilizer of the present invention can pass through the first support unit of adjustment and the second support unit
Relative position, come adjust adjacent vertebrae spacing and stability support the vertebrae of two-phase neighbour.Furthermore ridge of the invention
The first abutment face and the second abutment face of vertebra laminar stabilization device have the structure design of cancave cambered surface, and can be resisted against the vertebra of vertebrae
The delta-shaped region of the prominent connection of plate and ridge, therefore bearing area can be increased and can avoid that ridge is prominent to be broken because of stress.
In addition, the section of the casing of the present invention, the first support unit and the second support unit is that side is convex and side is recessed
Shape design, and concave side is the inside towards vertebra.It therefore, will not when Vertebral laminectomy stabilizer is installed on vertebrae
The nerve being urged on the inside of vertebra.
Description of the drawings
In order to more completely understand embodiment and its advantage, referring now to the following description done in conjunction with appended attached drawing, wherein：
Fig. 1 is to be painted a kind of usage state diagram of the prominent stabilizer of existing vertebra ridge；
Fig. 2 is to be painted a kind of usage state diagram of another angle of the prominent stabilizer of existing vertebra ridge；
Fig. 3 be painted a kind of existing vertebra ridge dash forward stabilizer when in use with the relative position schematic diagram of vertebrae；
Fig. 4 is the stereoscopic schematic diagram for being painted a kind of Vertebral laminectomy stabilizer according to one embodiment of the present invention；
Fig. 5 is the stereogram exploded view for being painted a kind of Vertebral laminectomy stabilizer according to one embodiment of the present invention；
Fig. 6 is the crosscutting diagrammatic cross-section for being painted a kind of Vertebral laminectomy stabilizer according to one embodiment of the present invention；
Fig. 7 is the longitudinal sectional diagrammatic cross-section for being painted a kind of Vertebral laminectomy stabilizer according to one embodiment of the present invention；
Fig. 8 is longitudinal sectional section when being painted the use according to a kind of Vertebral laminectomy stabilizer of one embodiment of the present invention
Schematic diagram；
Fig. 9 is the usage state diagram for being painted a kind of Vertebral laminectomy stabilizer according to one embodiment of the present invention；
Figure 10 is the use for another angle for being painted a kind of Vertebral laminectomy stabilizer according to one embodiment of the present invention
State diagram；And
Figure 11 be painted according to one embodiment of the present invention a kind of Vertebral laminectomy stabilizer when in use with vertebrae
Relative position schematic diagram；And
Figure 12 is the stereogram exploded view for being painted a kind of Vertebral laminectomy stabilizer according to another embodiment of the present invention.
Specific implementation mode
It is the one kind being painted respectively according to one embodiment of the present invention referring to Fig. 4 and Fig. 5, wherein Fig. 4 and Fig. 5
The stereoscopic schematic diagram and stereogram exploded view of Vertebral laminectomy stabilizer.The Vertebral laminectomy stabilizer 100 of present embodiment mainly wraps
Containing the first support unit 10, lantern ring 20, the second support unit 30 and an at least fixing piece 40.
Please continue to refer to Fig. 4 and Fig. 5, the first support unit 10 includes the first support base 11 and the first support column 13.Its
In, the first support base 11 has opposite first surface 11a and the first abutment face 12, and the first support column 13 is provided in the
On one surface 11a.In the present embodiment, the first abutment face 12 can mainly stick to the vertebral plate 51 in vertebrae 50 (such as Figure 11 institutes
Show).In an example, there are three the first concave-arc parts 14 of radial arrangement, respectively correspondence to stick in ridge for the first abutment face 12 tool
The delta-shaped region that the vertebral plate 51 of vertebra 50 is connect with prominent 52 (as shown in figure 11) of ridge.In some instances, the first abutment face 12
Cambered surface design can be designed according to the radian of the vertebral plate 51 of different patients.Wherein, the radian of the vertebral plate 51 of patient can utilize electricity
Brain tomoscan obtains.
It is a kind of Vertebral laminectomy being painted according to one embodiment of the present invention referring to Fig. 5 and Fig. 6, wherein Fig. 6
The crosscutting diagrammatic cross-section of stabilizer.In the present embodiment, the first support column 13 is a solid construction.Wherein, the first support column
13 outer surface includes opposite convex globoidal 13a and cancave cambered surface 13b.In addition, the first support column 13 has multiple first to fix
Hole 15.These first mounting holes 15 are through to cancave cambered surface 13b from the convex globoidal 13a of the first support column 13, and in convex globoidal 13a shapes
Trepanning 17 is formed at trepanning 16, and in cancave cambered surface 13b.In an example, the first mounting hole 15 can be to be alternatively arranged.
Separately referring once again to Fig. 4 and Fig. 5, the second support unit 30 includes the second support base 31 and the second support column 33.
Wherein, the second support base 31 has opposite second surface 31a and the second abutment face 32, and the second support column 33 is provided in
On second surface 31a.In the present embodiment, the second abutment face 32 can mainly stick to the vertebral plate 51 in vertebrae 50 (such as Figure 11 institutes
Show).In an example, there are three the second concave-arc parts 34 of radial arrangement, respectively correspondence to stick in ridge for the second abutment face 32 tool
The vertebral plate 51 of vertebra 50 and prominent 52 delta-shaped regions connecting of ridge.Similarly, the cambered surface design of the second abutment face 32 also can foundation
The radian of the vertebral plate 51 of different patients designs.Moreover, the radian of the second abutment face 32 and the first abutment face 32 can differ.
Fig. 5 and Fig. 6 is please referred to, in the present embodiment, the second support column 33 is a tube body, and can be sheathed on the first support column
On 13.In one embodiment, the cross sectional shape of the second support column 33 corresponds to the cross sectional shape of the first support column 13.Second support column
33 outer surface includes opposite convex globoidal 33a and cancave cambered surface 33b.In addition, the second support column 33 has multiple second to fix
Hole 35 and 36.Wherein, the second mounting hole 35 is arranged in from convex globoidal 33a in the second support column 33, and the second mounting hole 36 is from recessed
Cambered surface 33b is worn in the second support column 33.In an example, the second mounting hole 35 and 36 is through-hole.
Referring once again to Fig. 5 and Fig. 6, lantern ring 20 is primarily used to be set in the first support column 13 with the second support column 33
On, to reinforce fixing the first support unit 10 and the second support unit 30.In the present embodiment, 20 cross sectional shape of lantern ring corresponds to the
The shape of two support columns 33.The outer surface of lantern ring 20 includes opposite convex globoidal 20a and cancave cambered surface 20b.In addition, lantern ring 20 has
There are multiple first screw holes 21 and multiple second screw holes 22.Wherein, the first screw hole 21 is arranged in from convex globoidal 20a in lantern ring 20, the
Two screw holes 22 are worn from cancave cambered surface 33b in lantern ring 20.
A kind of Vertebral laminectomy according to one embodiment of the present invention is separately painted referring to Fig. 5 and Fig. 7, wherein Fig. 7
The longitudinal sectional diagrammatic cross-section of stabilizer.In one embodiment, as shown in figure 5, lantern ring 20 have it is small opening 23, big opening 24 and
Block wing 25.Block wing 25 is provided on the inside of an ora terminalis of lantern ring 20 and around small opening 23.In the present embodiment, the first support column
13 be to be arranged in lantern ring 20 from small opening 23, and the second support column 33 is arranged in lantern ring 20 and is set in from big opening 24
On first support column 13.In addition, the bottom surface of the second support column 33 is sticked on the block wing 25 of lantern ring 20, therefore penetrate mobile lantern ring
20 position can adjust the distance between the second support unit 30 and the first support unit 10.In the present embodiment, the first support
Column 13, the second support column 33 are identical as the cross sectional shape of lantern ring 20 and are non-circular.Therefore, the first support column 13, second supports
It can only be moved radially between column 33 and lantern ring 20, and it is relatively unrotatable.
Referring once again to Fig. 5 and Fig. 6, fixing piece 40 be configuration with wear and retaining collar 20, the second support unit 30 with
And first support unit 10.In the present embodiment, fixing piece 40 includes threaded portion 41.Whereby, fixing piece 40 can sequentially wear set
Ring 20, the second support unit 30 and the first support unit 10, and be screwed together on lantern ring 20 through threaded portion 41.In detail,
Fixing piece 40 is the first screw hole 21 for first sequentially passing through lantern ring 20, the second mounting hole 35, the first support column of the second support column 33
13 trepanning 16, the trepanning 17 of the first support column 13, the second mounting hole 35 of the second support column 33 and the second spiral shell of lantern ring 20
Behind hole 22, the threaded portion 41 of fixing piece 40 is screwed in again in the second screw hole 22 of lantern ring 20.In one embodiment, fixing piece 40 is gone back
Including head 42, and head 42 is located at opposite two ends of fixing piece 40 with threaded portion 41.Therefore, when the screw thread of fixing piece 40
When portion 41 is screwed in the second screw hole 22, the head 42 of fixing piece 40 is located in the first screw hole 21.It in one embodiment, can profit
With the head 42 being screwed into externally threaded nut 43 in first screw hole 21 against fixing piece 40, to reinforce positioning mounting 40
Position.
It is intended to Chen Mingzhe, the quantity of fixing piece 40 and wears mode and can be arranged according to demand.In the example of Fig. 3, Gu
The quantity for determining part 40 is 2, and is arranged in a crossed manner.In addition, in some instances, lantern ring 20 can be made of metal, the first support is single
Member 10 and the second support unit 30 are then made by light-dutyer and flexible material (such as plastic cement).Whereby, fixing piece
40 can wear the first support unit 10 and the second support unit 30 and be locked on lantern ring 20.
Illustrate the application method of the Vertebral laminectomy stabilizer 100 of present embodiment below.Referring to Fig. 7 to Figure 10,
Wherein Fig. 8 is longitudinal sectional section signal when being painted the use according to a kind of Vertebral laminectomy stabilizer of one embodiment of the present invention
Figure, Fig. 9 and Figure 10 are differences when being painted a kind of Vertebral laminectomy stabilizer use according to one embodiment of the present invention respectively
The state diagram of angle.First, can the first support unit 10 being arranged mutually, the second support unit 30 be first put into two with lantern ring 20
Between the vertebral plate 51 of adjacent vertebrae 50.Then, mobile lantern ring 20, so that 30 opposite first support unit of the second support unit
10 move and adjust the distance between the first abutment face 12 and the second abutment face 32, and then suitably support two adjacent vertebraes
50 vertebral plate 51.Adjusted the first abutment face 12 between the second abutment face 32 at a distance from after, then fixing piece 40 worn simultaneously
It is threaded onto in lantern ring 20, the second support unit 30 and the first support unit 10, with retaining collar 20, the second support unit 30 and
One support unit 10.
As shown in Fig. 8 to Figure 10, install the Vertebral laminectomy stabilizer 100 finished be stabilized in two adjacent vertebraes 50 it
Between.Moreover, the first abutment face 12 of the first support unit 10 is to abut respectively with the second abutment face 32 of the second support unit 30
The vertebral plate 51 of two adjacent vertebraes 50, and then the first support unit 10 and the second support unit 30 may make to be fixedly supported vertebra
Plate 51.Therefore, the ridge that can avoid concentrating on vertebrae 50 because of strength is prominent, and the problem of lead to ridge prominent fracture.
Be intended to Chen Mingzhe, due to present embodiment Vertebral laminectomy stabilizer 100 have the first abutment face 12 and second against
The design in face 32, therefore according to demand Vertebral laminectomy stabilizer 100 can be installed in the vertebral plate of lumbar vertebrae 60 and recommended between vertebra 70.In detail
Say that the Vertebral laminectomy stabilizer 100 of embodiment of the present invention can be installed in lumbar vertebrae final section and recommend on vertebra first segment in ground.
Separately please refer to Figure 12, be painted according to another embodiment of the present invention a kind of Vertebral laminectomy stabilizer it is vertical
Body exploded view.The structure of the Vertebral laminectomy stabilizer 200 of present embodiment generally with 100 phase of Vertebral laminectomy stabilizer above-mentioned
Together, difference is only that Vertebral laminectomy stabilizer 200 and is designed without lantern ring 20 as shown in Figure 4.The vertebra of present embodiment
Laminar stabilization device 200 includes mainly the first support unit 210, the second support unit 230 and fixing piece 250.Whereby, it is adjusting
After relative distance between first support unit 210 and the second support unit 230, equally first is limited using fixing piece 250
Support unit 210 and the second support unit 230.
As shown in figure 12, the structure of the first support unit 210, the second support unit 230 and fixing piece 250 be respectively with
First support unit 10 of previous embodiment, the second support unit 30 and fixing piece 40 are identical, therefore are repeated no more in this.One
In a little embodiments, the first support unit 210 includes the first support base 211 and the first support column 213, wherein the first support column
Multiple first mounting holes 216 can be equipped on 213.Similarly, the second support unit 230 includes the second support base 231 and second
Support column 233, wherein multiple second mounting holes 235 can be equipped on the second support column 233.In an example, each is first solid
It can be perforation to determine hole 216, and each second mounting hole 235 can be screw hole.Whereby, fixing piece 250 can wear and be fixed on
In one support column 213 and the second support column 233.
In some instances, wherein the first support column 211 can be made with the second support column 233 of metal material, to increase
Fixing piece 250 is locked in stability therein.First support base 211 can be plastic cement with the second support base 231 or other are light-duty
Material is made, therefore can increase Vertebral laminectomy stabilizer 200 and be installed in supraspinal comfort.
By aforementioned present invention embodiment it is found that the Vertebral laminectomy stabilizer of the present invention can pass through the first support unit of adjustment
With the relative position of the second support unit, come adjust adjacent vertebrae spacing and stability support the vertebrae of two-phase neighbour.
Furthermore the first abutment face and the second abutment face of Vertebral laminectomy stabilizer of the invention have the structure design of cancave cambered surface, and can
It is resisted against the delta-shaped region of the vertebral plate and the prominent connection of ridge of vertebrae, therefore bearing area can be increased and can avoid ridge and dashed forward due to stress
Fracture.
In addition, the section of the casing of the present invention, the first support unit and the second support unit is that side is convex and side is recessed
Shape design, and concave side is the inside towards vertebra.It therefore, will not when Vertebral laminectomy stabilizer is installed on vertebrae
The nerve being urged on the inside of vertebra.
Although the present invention has been disclosed by way of example above, it is not intended to limit the present invention., any technical field
Middle tool usually intellectual, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, thus it is of the invention
Protection domain when regard the scope of which is defined in the appended claims subject to.
Claims (10)
1. a kind of Vertebral laminectomy stabilizer, which is characterized in that the Vertebral laminectomy stabilizer includes：
One first support unit, including：One first support base, have one first abutment face and a first surface with respect to this first
Abutment face；And one first support column, setting is on the first surface；
One second support unit is movably sheathed on first support unit, and wherein second support unit includes：One second
Support base has one second abutment face and a second surface with respect to second abutment face；And one second support column, setting exist
On the second surface；And
An at least fixing piece is configured to wear and fix first support column and second support column.
2. Vertebral laminectomy stabilizer according to claim 1, which is characterized in that
First support column has at least one first mounting hole；
There is second support column at least one second mounting hole to correspond to first mounting hole；And
The fixing piece is each passed through and is fixed in first mounting hole and second mounting hole.
3. Vertebral laminectomy stabilizer according to claim 1, which is characterized in that first abutment face has radial arrangement
Three the first concave-arc parts, and second abutment face have radial arrangement three the second concave-arc parts.
4. Vertebral laminectomy stabilizer according to claim 1, which is characterized in that the Vertebral laminectomy stabilizer also includes a set of
Ring, the wherein lantern ring are sheathed on outside second support column and first support column.
5. Vertebral laminectomy stabilizer according to claim 4, which is characterized in that
First support column has at least one first mounting hole；
Second support column have at least one second mounting hole correspond to first mounting hole, wherein each first mounting hole with should
Second mounting hole is a perforation；And
There is the lantern ring at least one first screw hole to correspond to first mounting hole and second mounting hole；
Wherein the fixing piece have a threaded portion, and the fixing piece be each passed through first screw hole, second mounting hole and
First mounting hole, and the threaded portion of the fixing piece is screwed together in first screw hole.
6. Vertebral laminectomy stabilizer according to claim 5, which is characterized in that
The fixing piece also includes a head, and the head and the threaded portion are opposite two ends for being separately positioned on the fixing piece；With
And
Also there is the lantern ring at least one second screw hole, wherein second screw hole to be located at the opposite of the lantern ring with first screw hole
Two sides, and the head is located in second screw hole.
7. Vertebral laminectomy stabilizer according to claim 6, which is characterized in that the Vertebral laminectomy stabilizer also includes at least
One nut, the nut lock are set in second screw hole, and against the head of the fixing piece.
8. Vertebral laminectomy stabilizer according to claim 4, which is characterized in that first support column, second support column
Surface with the lantern ring includes a convex globoidal and a cancave cambered surface.
9. Vertebral laminectomy stabilizer according to claim 4, which is characterized in that the lantern ring is a metal collar, and this
One support base is different from the material of the lantern ring with the material of second support base.
10. Vertebral laminectomy stabilizer according to claim 4, which is characterized in that the lantern ring has an opposite big opening
And a small opening, and the lantern ring also has a block wing around the small opening, the bottom surface of wherein second support column is sticked in this
Block wing.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105134158A TWI616182B (en) | 2016-10-21 | 2016-10-21 | Retractable spinal laminar stabilizer |
| CN201710096288.0A CN108451618B (en) | 2017-02-22 | 2017-02-22 | Vertebral lamina stabilizer for vertebra |
| US15/657,204 US10076366B2 (en) | 2016-10-21 | 2017-07-23 | Vertebral lamina supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710096288.0A CN108451618B (en) | 2017-02-22 | 2017-02-22 | Vertebral lamina stabilizer for vertebra |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108451618A true CN108451618A (en) | 2018-08-28 |
| CN108451618B CN108451618B (en) | 2020-10-16 |
Family
ID=63220057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710096288.0A Active CN108451618B (en) | 2016-10-21 | 2017-02-22 | Vertebral lamina stabilizer for vertebra |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108451618B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406561A (en) * | 2001-09-06 | 2003-04-02 | 叶中权 | Vertebra fixer |
| DE202005007809U1 (en) * | 2005-05-19 | 2005-07-28 | Aesculap Ag & Co. Kg | Implant used especially as a vertebral implant comprises a radially inward-moving clamping element mounted in a cylinder and introduced into a lateral recess of a piston to clamp the piston against displacement in the cylinder |
| US20070270827A1 (en) * | 2006-04-28 | 2007-11-22 | Warsaw Orthopedic, Inc | Adjustable interspinous process brace |
| CN101610739A (en) * | 2006-11-29 | 2009-12-23 | 外科技术有限公司 | Orthopaedic implants and prosthese |
| CN101626732A (en) * | 2006-09-18 | 2010-01-13 | 脊柱工艺公司 | Lumbar inter-spine prosthesis and applications thereof |
| CN102421391A (en) * | 2009-04-23 | 2012-04-18 | 华沙整形外科股份有限公司 | Expandable implant, instrument, and method |
-
2017
- 2017-02-22 CN CN201710096288.0A patent/CN108451618B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406561A (en) * | 2001-09-06 | 2003-04-02 | 叶中权 | Vertebra fixer |
| DE202005007809U1 (en) * | 2005-05-19 | 2005-07-28 | Aesculap Ag & Co. Kg | Implant used especially as a vertebral implant comprises a radially inward-moving clamping element mounted in a cylinder and introduced into a lateral recess of a piston to clamp the piston against displacement in the cylinder |
| US20070270827A1 (en) * | 2006-04-28 | 2007-11-22 | Warsaw Orthopedic, Inc | Adjustable interspinous process brace |
| CN101626732A (en) * | 2006-09-18 | 2010-01-13 | 脊柱工艺公司 | Lumbar inter-spine prosthesis and applications thereof |
| CN101610739A (en) * | 2006-11-29 | 2009-12-23 | 外科技术有限公司 | Orthopaedic implants and prosthese |
| CN102421391A (en) * | 2009-04-23 | 2012-04-18 | 华沙整形外科股份有限公司 | Expandable implant, instrument, and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108451618B (en) | 2020-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9504497B2 (en) | Iliosacral polyaxial screw | |
| US20140277146A1 (en) | Cross-braced bilateral spinal rod connector | |
| US8657856B2 (en) | Size transition spinal rod | |
| EP2047812B1 (en) | Bone anchoring device | |
| US8109975B2 (en) | Collar bore configuration for dynamic spinal stabilization assembly | |
| FI102512B (en) | Multifunction device for joining the bone parts of the spine | |
| JP5837042B2 (en) | Transverse connection system and device for spine | |
| US9788874B2 (en) | Bone plate system for osteosynthesis | |
| US20120215263A1 (en) | Extensible pedicle screw coupling device | |
| US20100063544A1 (en) | Spinal Rod | |
| EP2279706A1 (en) | Bone anchoring device | |
| EP2604204B1 (en) | Monoplanar bone anchoring device with selectable pivot plane | |
| US10321936B2 (en) | Polyaxial pedicle screw with a head in the shape of a ball segment | |
| JP2015507502A (en) | Multi-axis spine interconnect device | |
| JP2013523300A5 (en) | ||
| BRPI1102461A2 (en) | spinal body fixation device | |
| US10188431B2 (en) | Double-headed pedicle screw | |
| US9827019B2 (en) | Returnable and dynamic fixation pedicle screw system of rail-chain type for socket | |
| CN108451618A (en) | Vertebral laminectomy stabilizer | |
| US10076366B2 (en) | Vertebral lamina supporting device | |
| KR20150107153A (en) | Screw assembly for spinal implant | |
| CN205411282U (en) | Anterior locking cervical plate system | |
| JP6433017B2 (en) | Vertebral fixation rod coupling implant | |
| JP5646103B1 (en) | Vertebral fixation rod coupling implant | |
| CA3011033A1 (en) | Implant device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |