CN106901819A - A kind of vertebral plate bracing means - Google Patents
A kind of vertebral plate bracing means Download PDFInfo
- Publication number
- CN106901819A CN106901819A CN201710036222.2A CN201710036222A CN106901819A CN 106901819 A CN106901819 A CN 106901819A CN 201710036222 A CN201710036222 A CN 201710036222A CN 106901819 A CN106901819 A CN 106901819A
- Authority
- CN
- China
- Prior art keywords
- arm
- screw
- nut
- jackscrew
- bracing means
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims abstract description 31
- 238000010168 coupling process Methods 0.000 claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 claims abstract description 31
- 230000000694 effects Effects 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group 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 claims description 14
- 238000013461 design Methods 0.000 claims description 12
- 241000587161 Gomphocarpus Species 0.000 claims description 11
- 238000000034 method Methods 0.000 description 6
- 208000001132 Osteoporosis Diseases 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241001079814 Symphyotrichum pilosum Species 0.000 description 2
- 235000004224 Typha angustifolia Nutrition 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- 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, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Life Sciences & Earth Sciences (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)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of vertebral plate bracing means, the use for coordinating axis arch screw or Cervical vertebra lateral mass screw includes, coupling nut, is used to combine screw basement, there is vertical rod between the coupling nut and the screw basement；Jackscrew part, its top for being in the coupling nut, mutually activity is set the jackscrew part with the coupling nut；Universal arm, it has arm close end, arm distal portion and arm connecting portion, has long waist shaped hole on the arm close end, and the long waist shaped hole is set in the way of being surrounded on the outside of the jackscrew bar portion, has two arm lock holes in the arm distal portion；And, arm locking nail, it coordinates the arm lock hole, the Universal arm is fixedly connected with cervical vertebra plate.The advantage of the invention is that：Four parts and dentata (or Cervical vertebra) pedicle screw (or lateral mass screw) screw couples more than so that dentata (or Cervical vertebra) pedicle screw (or lateral mass screw) is with stronger withdrawal force.
Description
Technical field
The present invention relates to be fixed in spinal surgery, more particularly to a kind of vertebral plate bracing means, for coordinating axis arch spiral shell
The use of nail or Cervical vertebra lateral mass screw.
Background technology
Cervical vertebra one has 7 sections, and atlas is called atlas, and axis is called dentata, and C7 is called vertebrae prominens.The
First, two cervical vertebras are collectively referred to as upper cervical spine, and the 3rd is collectively referred to as Cervical vertebra to C7.Posterior cervical nail rod Internal fixation technology can be in art
In resetted by apparatus and realize that atlas and axis reset, and nail rod is fixed and has good biomechanical stability, thus outside backbone
It is widely used in section's operation.Apparatus mentioned above resets, and refers to atlas and axis partial reset after preoperative traction, but fail completely
Reset, with dentata screw and longitudinally connected rod as the strong point in art, lifting atlas screw completes to reset and fixed.At present both at home and abroad
Apparatus that document is referred to reset has lifting pincers lift reset, T (L) type handle stick up dial reset, U-shaped rod coordinates steel wire lifting to reset,
The long-armed nail lifting of atlas resets etc., a variety of resetting techniques of the above, is all based on using dentata screw+vertical this complex of rod as branch
Support point, resets to atlas.However, this point is connected with vertical rod by axis arch root screw, foot can not be provided sometimes
Enough strong mechanical stabilities, occur dentata screw during atlas is lifted and are swung with vertical rod and unstable, so as to reduce device
Efficiency and success rate that tool resets.There is scholar to propose for fixed-segment to extend to C3 to improve the mechanics stabilization for resetting and fixing
Property, but this will lose the mobility in the gap of neck 2/3.
The content of the invention
Dentata screw pull-out strength is not enough when being resetted in existing atlas and axis nail-stick system art it is an object of the invention to overcome
Problem；Can also be used for overcoming osteoporosis or put first cervical vertebra screw pull-out strength caused by nail failure decline problem (including dentata,
Cervical vertebra).A kind of vertebral plate bracing means of new dentata (or Cervical vertebra) pedicle screw (or lateral mass screw) is provided.
The technical scheme is that：A kind of vertebral plate bracing means, for coordinating axis arch screw or Cervical vertebra lateral mass
The use of screw, includes,
Coupling nut, is used to combine screw basement, there is vertical rod, the connection between the coupling nut and the screw basement
Nut has nut top and nut bottom；
Jackscrew part, its top for being in the coupling nut, the jackscrew part has jackscrew head and jackscrew bar portion,
Mutually activity is set the jackscrew part with the coupling nut；
Universal arm, its have the arm close end corresponding to the jackscrew part, the arm distal portion corresponding to cervical vertebra plate and
The arm connecting portion of the arm close end and the arm distal portion is connected, there is long waist shaped hole, the waist long on the arm close end
Shape hole is set and between the jackscrew head and the nut top in the way of being surrounded on the outside of the jackscrew bar portion, by
By the hole shape of the Universal arm long lumbar hole, the length that the Universal arm stretches to vertebral plate is can adjust.
There are two arm lock holes in the arm distal portion, and be distributed in the opposite sides of the arm connecting portion；And,
Arm locking nail, it coordinates the arm lock hole, the Universal arm is fixedly connected with cervical vertebra plate.
As a kind of preferred scheme of vertebral plate bracing means, there is nut top connecting hole on the nut top, it is described
There is nut upper internal threaded in the connecting hole of nut top, there is jackscrew bar portion external screw thread, the jackscrew in the jackscrew bar portion
Bar portion corresponds to nut top connecting hole, by matching somebody with somebody for the jackscrew bar portion external screw thread and the nut upper internal threaded
Close, to realize that mutually activity is set the jackscrew part with the coupling nut.
Used as a kind of preferred scheme of vertebral plate bracing means, the arm close end is spherical design, can be in the connection spiral shell
Female forward direction any direction with the jackscrew part locking rotates.
As a kind of preferred scheme of vertebral plate bracing means, the line of described two arm lock holes and the arm connecting portion
Angulation is close to 90 degree.
Used as a kind of preferred scheme of vertebral plate bracing means, the arm lock hole uses conical design, the arm lock hole
Interior with lock hole internal thread, the arm locking nail has locking nail head and locking nail bar portion, and the locking nail head is ball
Shape structure, using the spherical design and the conical design of the Universal arm lock hole of the locking nail head, it is possible to achieve described
Locking nail head does the rotation of any direction centered on the normal of the arm lock hole within 15 degree.
As a kind of preferred scheme of vertebral plate bracing means, the arm close end, the arm connecting portion and the arm distal end
Portion three collectively forms the length of " Z " font or class " Z " character form structure, the length direction of the arm close end and the arm connecting portion
Degree direction is fore-and-aft direction, and the length direction of the arm distal portion is left and right directions.
As the arc notch board that a kind of preferred scheme of vertebral plate bracing means, the arm distal portion are recessed upwards in entirety,
Preferably to contact cervical vertebra plate.
As a kind of preferred scheme of vertebral plate bracing means, with nut lower external thread on the nut bottom, and institute
State to have on screw basement and there is pedestal internal thread in pedestal connecting hole, the pedestal connecting hole, by the pedestal internal thread
With the cooperation of the nut lower external thread, mutually activity is set the coupling nut with the screw basement, described by tightening
Coupling nut, can lock the vertical rod and the screw basement.
When being applied to atlas and axis operation：When atlas and axis screw-rod resets, the present invention has dentata screw and vertical rod
Stronger " overarm arm " effect；The problem that reseting procedure maincenter vertebral screw loosens, deviates from is overcome, is overcome as " overarm arm "
Vertical rod rocked in reseting procedure, unstable problem.After completing to fix, confirmed through biomechanical test, the present invention makes extensive region pivot
Vertebra nail-stick system has stronger biomechanical stability.When being applied to Cervical vertebra operation：Instant invention overcomes lateral mass screw (or
Pedicle screw) put nail failure for the first time after, or the problem that the screw pull-out strength caused during osteoporosis declines；Through biomethanics
Experiment is confirmed, invention increases the biomechanical stability of nail-stick system.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation (omission Universal arm) of one embodiment of the invention.
Fig. 3 is the structural front view of Universal arm in one embodiment of the invention.
Fig. 4 is the structural side view of Universal arm in one embodiment of the invention.
Fig. 5 is the use schematic diagram of one embodiment of the invention.
Specific embodiment
The present invention is described in further detail below by specific embodiment combination accompanying drawing.
Fig. 1 and 2 is referred to, shown in figure is that the vertebral plate of dentata (or Cervical vertebra) pedicle screw (or lateral mass screw) adds
It is fixedly mounted with and puts.The vertebral plate bracing means is used for spinal surgery, is a kind of atlas and axis screw-rod reduction fixation device.
The vertebral plate bracing means is mainly made up of parts such as coupling nut 1, jackscrew part 2, Universal arm 3 and arm locking nails 5.
The coupling nut 1 is used to coordinate the screw base of the dentata (or Cervical vertebra) pedicle screw (or lateral mass screw)
Seat 4.Have vertical between the screw basement 4 of the coupling nut 1 and the dentata (or Cervical vertebra) pedicle screw (or lateral mass screw)
Rod.Specifically, the coupling nut 1 has nut top 11 and the nut bottom 12 in the lower section of the nut top 11.
There is nut top connecting hole on the nut top 11.There is nut upper internal threaded in the connecting hole of the nut top.Institute
Stating has nut lower external thread on nut bottom 12.
There is pedestal connecting hole on the screw basement 4 of the dentata (or Cervical vertebra) pedicle screw (or lateral mass screw).
There is pedestal internal thread in the pedestal connecting hole.By the cooperation of the pedestal internal thread and the nut lower external thread,
Mutually activity is set the coupling nut 1 with the screw basement 4.By tightening the coupling nut 1, can be by the vertical rod and institute
State dentata (or Cervical vertebra) pedicle screw (or lateral mass screw) locking.
You need to add is that, the screw basement 4 of the dentata (or Cervical vertebra) pedicle screw (or lateral mass screw) has
Bottom wall 41 and the first side wall 41 upwardly extended from the top surface beginning of the bottom wall 41 and second sidewall 42.The first side wall 41 with
The interval setting of the second sidewall 42.The first side wall 41, the second sidewall 42 are collectively formed with the three of the bottom wall 41
"U" shaped structure.The first side wall 41 and the second sidewall 42 define the pedestal connecting hole jointly, and described first
There is the pedestal internal thread on side wall 41 and the second sidewall 42.In the present embodiment, the bottom wall 41 is circular configuration.Institute
State left side edge of the first side wall 41 in the bottom wall 41 and the left side edge along the bottom wall 41 extend into arc wall body,
And the second sidewall 42 is in the right side edge of the bottom wall 41 and the right side edge along the bottom wall 41 extends camber
Wall body.The first side wall 41 is relative in left and right with the second sidewall 42.
The jackscrew part 2 is in the top of the coupling nut 1.The jackscrew part 2 has jackscrew head 21 and place
In the jackscrew bar portion 22 of the lower section of the jackscrew head 21.There is jackscrew bar portion external screw thread in the jackscrew bar portion 22.The jackscrew
Bar portion 22 corresponds to nut top connecting hole.By matching somebody with somebody for the jackscrew bar portion external screw thread and the nut upper internal threaded
Close, mutually activity is set the jackscrew part 2 with the coupling nut 1.
Fig. 3 and 4 is referred to again, and the Universal arm 3 has arm close end 31, arm distal portion 32 and connects the arm close end
31 with the arm connecting portion 33 of the arm distal portion 32.The arm close end 31 is in the top of the arm distal portion 32 so that institute
State arm close end 31, the arm connecting portion 33 and the three of arm distal portion 32 and collectively form " Z " font or class " Z " font knot
Structure.
The arm close end 31 is spherical design, i.e. it can be seen that the arc substantially in overall depression upwards is recessed
Plate.There is long waist shaped hole 310 on the arm close end 31.The long waist shaped hole 310 is being surrounded on the outer of the jackscrew bar portion 22
The mode of side is set and between the jackscrew head 21 and the nut top 11.When the coupling nut 1 and the jackscrew
Before part 2 is locked, the Universal arm 3 can do the rotary motion of any direction.Simultaneously as the length in the long waist shaped hole 310
Shape is designed, and can be adjusted the Universal arm 3 and stretch by changing the cooperation position in the long waist shaped hole 310 and the jackscrew bar portion 22
To the length of cervical vertebra plate, realize that the arm distal portion 32 can be obtained well with the cervical vertebra plate of any form size with this
Contact.And after working as the locking of the coupling nut 1 and the jackscrew part 2, the Universal arm 3 is then fixed from rotation fortune
It is dynamic.
The arm distal portion 32, it can be seen that substantially in the arc notch board of overall depression upwards.The arm distal end
There are two arm lock holes 320 in portion 32, the left and right sides of the arm connecting portion 33 is distributed in.The arm lock hole 320 is used
Conical design.There is lock hole internal thread in the arm lock hole 320.In the present embodiment, two lines of arm lock hole 320 with
The angulation of the arm connecting portion 33 is close to 90 degree.Confirmed through biomechanical test, can reach and posterior cervical nail-stick system is reached
Maximum reinforcement effect.
The application method of the Universal arm 3 is relatively simple, and the arm close end 31 first is positioned over into the coupling nut 1
On, the jackscrew part 2 being screwed into, wouldn't lock.Then, the direction and position of the Universal arm 3 are adjusted, makes the arm distal portion
32 lock hole is contacted well with cervical vertebra plate.Finally, the jackscrew part 2 is locked.
The arm locking nail 5 coordinates the arm lock hole 320, and the Universal arm 3 is fixedly connected with cervical vertebra plate.Institute
Stating arm locking nail 5 has locking nail head and locking nail bar portion, and the locking nail head is spherical design, i.e. chondritic.Profit
With the spherical design and the conical design of the lock hole of the Universal arm 3 of the locking nail head, it is possible to achieve the locking ailhead
The rotation of any direction is done within 15 degree centered on the normal of the arm lock hole 320 in portion.The arm locking nail 5 can be
The specification of different length, length is optional, therefore can realize that entering for any position follows closely and lock.
Fig. 5 is finally referred to, the operation principle of the vertebral plate bracing means is as follows：According to dislocation of atlas degree, institute is first adjusted
Distance between vertical rod and atlas screw is stated, the dentata (or Cervical vertebra) pedicle screw (or lateral mass screw) is locked afterwards, will be described
Universal arm 3 steadily is fixed on lamina of axis.Now, Universal arm 3, the dentata (or Cervical vertebra) pedicle screw (or lateral mass
Screw) and one overarm arm configuration of stabilization of the vertical bar construction, when being lifted to atlas using lifting pincers, reduce
The swing of the dentata (or Cervical vertebra) pedicle screw (or lateral mass screw) with the vertical rod and shakiness, increased reset in art
Efficiency and success rate.
When being applied to atlas and axis operation：When atlas and axis screw-rod resets, the present invention has dentata screw and vertical rod
Stronger " overarm arm " effect；The problem that reseting procedure maincenter vertebral screw loosens, deviates from is overcome, is overcome as " overarm arm "
Vertical rod rocked in reseting procedure, unstable problem.After completing to fix, confirmed through biomechanical test, the present invention makes extensive region pivot
Vertebra nail-stick system has stronger biomechanical stability.When being applied to Cervical vertebra operation：Instant invention overcomes lateral mass screw (or
Pedicle screw) put nail failure for the first time after, or the problem that the screw pull-out strength caused during osteoporosis declines；Through biomethanics
Experiment is confirmed, invention increases the biomechanical stability of nail-stick system.
Below embodiments of the present invention are only expressed, its description is more specific and detailed, but can not be therefore understood
It is the limitation to patent of invention scope.It should be pointed out that for the person of ordinary skill of the art, not departing from this hair
On the premise of bright design, various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, this hair
The protection domain of bright patent should be determined by the appended claims.
Claims (9)
1. a kind of vertebral plate bracing means, the use for coordinating axis arch screw or Cervical vertebra lateral mass screw, it is characterised in that
Include,
Coupling nut, is used to combine screw basement, there is vertical rod, the coupling nut between the coupling nut and the screw basement
With nut top and nut bottom；
Jackscrew part, its top for being in the coupling nut, the jackscrew part has jackscrew head and jackscrew bar portion, described
Mutually activity is set jackscrew part with the coupling nut；
Universal arm, it has arm close end corresponding to the jackscrew part, corresponding to the arm distal portion of cervical vertebra plate and connection
The arm close end and the arm connecting portion of the arm distal portion, have long waist shaped hole, the long waist shaped hole on the arm close end
Set in the way of being surrounded on the outside of the jackscrew bar portion and between the jackscrew head and the nut top, the arm
There are two arm lock holes in distal portion, and be distributed in the opposite sides of the arm connecting portion；And,
Arm locking nail, it coordinates the arm lock hole, the Universal arm is fixedly connected with cervical vertebra plate.
2. a kind of vertebral plate bracing means according to claim 1, it is characterised in that have on nut on the nut top
There is nut upper internal threaded in portion's connecting hole, nut top connecting hole, have outside jackscrew bar portion in the jackscrew bar portion
Screw thread, the jackscrew bar portion corresponds to nut top connecting hole, by the jackscrew bar portion external screw thread and the nut
The cooperation of portion's internal thread, to realize that mutually activity is set the jackscrew part with the coupling nut.
3. a kind of vertebral plate bracing means according to claim 1 and 2, it is characterised in that the arm close end sets for sphere
Meter, can rotate in the coupling nut with the forward direction any direction of the jackscrew part locking.
4. a kind of vertebral plate bracing means according to claim 1, it is characterised in that by the hole of the Universal arm long lumbar hole
Shape, can adjust the length that the Universal arm stretches to vertebral plate.
5. a kind of vertebral plate bracing means according to claim 1, it is characterised in that the line of described two arm lock holes with
The angulation of the arm connecting portion is close to 90 degree.
6. a kind of vertebral plate bracing means according to claim 1 or 5, it is characterised in that the arm lock hole uses taper
There is lock hole internal thread, the arm locking nail has locking nail head and locking nail bar portion, institute in design, the arm lock hole
It is chondritic to state locking nail head, is set using the taper of the spherical design and the Universal arm lock hole of the locking nail head
Meter, it is possible to achieve the locking nail head does the rotation of any direction centered on the normal of the arm lock hole within 15 degree
Turn.
7. a kind of vertebral plate bracing means according to claim 1, it is characterised in that the arm close end, arm connection
Portion and the arm distal portion three collectively form " Z " font or class " Z " character form structure, the length direction of the arm close end and institute
The length direction for stating arm connecting portion is fore-and-aft direction, and the length direction of the arm distal portion is left and right directions.
8. a kind of vertebral plate bracing means according to claim 7, it is characterised in that the arm distal portion is in overall concave up
Sunken arc notch board, preferably to contact cervical vertebra plate.
9. a kind of vertebral plate bracing means according to claim 1, it is characterised in that under there is nut on the nut bottom
Portion's external screw thread, and there is pedestal connecting hole on the screw basement, there is pedestal internal thread, by institute in the pedestal connecting hole
The cooperation of pedestal internal thread and the nut lower external thread is stated, mutually activity is set the coupling nut with the screw basement,
By tightening the coupling nut, the vertical rod and the screw basement can be locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036222.2A CN106901819A (en) | 2017-01-17 | 2017-01-17 | A kind of vertebral plate bracing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036222.2A CN106901819A (en) | 2017-01-17 | 2017-01-17 | A kind of vertebral plate bracing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106901819A true CN106901819A (en) | 2017-06-30 |
Family
ID=59206556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710036222.2A Pending CN106901819A (en) | 2017-01-17 | 2017-01-17 | A kind of vertebral plate bracing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106901819A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316230A (en) * | 2018-11-27 | 2019-02-12 | 中南大学湘雅医院 | Spinal posterior nail plate internal fixation system |
| CN110338894A (en) * | 2019-06-04 | 2019-10-18 | 迪恩医疗科技有限公司 | It can the fixed pedicle nail of double screws |
| CN115553900A (en) * | 2022-12-07 | 2023-01-03 | 暨南大学 | Transverse process pedicle screw fixing system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201668484U (en) * | 2010-05-13 | 2010-12-15 | 中国人民解放军第一七五医院 | Atlantoaxial nail stick fixing device |
| CN205586063U (en) * | 2016-03-28 | 2016-09-21 | 广州军区广州总医院 | Extensive region vertebra cantle fixing device |
-
2017
- 2017-01-17 CN CN201710036222.2A patent/CN106901819A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201668484U (en) * | 2010-05-13 | 2010-12-15 | 中国人民解放军第一七五医院 | Atlantoaxial nail stick fixing device |
| CN205586063U (en) * | 2016-03-28 | 2016-09-21 | 广州军区广州总医院 | Extensive region vertebra cantle fixing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316230A (en) * | 2018-11-27 | 2019-02-12 | 中南大学湘雅医院 | Spinal posterior nail plate internal fixation system |
| CN109316230B (en) * | 2018-11-27 | 2020-07-17 | 中南大学湘雅医院 | Spinal posterior nail plate internal fixation system |
| CN110338894A (en) * | 2019-06-04 | 2019-10-18 | 迪恩医疗科技有限公司 | It can the fixed pedicle nail of double screws |
| CN115553900A (en) * | 2022-12-07 | 2023-01-03 | 暨南大学 | Transverse process pedicle screw fixing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205866898U (en) | Lumbar vertebrae interbody fusion cage can strut | |
| CN204092153U (en) | Locking near end of thighbone blade plate nail system | |
| CN106901819A (en) | A kind of vertebral plate bracing means | |
| CN104546100B (en) | Dynamic compression locking plate for treatment of femoral neck fracture | |
| CN206836952U (en) | The lateral mass bracing means of pedicle screw | |
| CN203841856U (en) | Cervical vertebra fusion device | |
| CN103860246A (en) | Vertebral pedicle screw and thoracolumbar spine anterior internal fixing system | |
| CN202096313U (en) | Artificial atlanto-odontoid joint | |
| CN204520930U (en) | A kind of low incisura pedicle screw with adjustment controlling functions | |
| CN206896396U (en) | Vertebral plate bracing means | |
| CN202235635U (en) | Movable vertebral column stabilizing system | |
| CN209847348U (en) | Pedicle screw and rod structure | |
| CN106667565A (en) | Lateral mass fixing device of pedicle screw | |
| CN208228989U (en) | A kind of vertebral column internal fixation nail stick system | |
| CN206792478U (en) | Bone cement screw | |
| CN206934157U (en) | A kind of wide-angle Universal pedicle screw of undercut mark Bidirectional locking | |
| CN208371876U (en) | A kind of pedicle screw | |
| CN213465278U (en) | Spinal full cortical bone thread reducing screw | |
| CN202086562U (en) | Anatomical full-locking internal fixing device for hip | |
| CN205903296U (en) | Basin damage is with internal fixation device that resets at bottom of waist | |
| CN206910388U (en) | For inserting the ejector apparatus of scoliosis nail rod correction bracket | |
| CN210408576U (en) | Anterior cervical internal fixation system | |
| CN107582159A (en) | Bone cement locking bone screw for locking bone fracture plate | |
| CN209474775U (en) | One kind can micro-movement vertebral arch pedicle nail | |
| CN209734237U (en) | Novel intervertebral fusion system based on lower anterior cervical pedicle base part screw |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170630 |
|
| RJ01 | Rejection of invention patent application after publication |