CN107961066A - A kind of allow hand over is followed closely using the novel vertebral pedicle of function - Google Patents
A kind of allow hand over is followed closely using the novel vertebral pedicle of function Download PDFInfo
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- CN107961066A CN107961066A CN201610910325.2A CN201610910325A CN107961066A CN 107961066 A CN107961066 A CN 107961066A CN 201610910325 A CN201610910325 A CN 201610910325A CN 107961066 A CN107961066 A CN 107961066A
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- nail
- plug screw
- connector
- vertebral pedicle
- pitman
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- 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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
-
- 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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7002—Longitudinal elements, e.g. rods
- A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length
- A61B17/7005—Parts of the longitudinal elements, e.g. their ends, being specially adapted to fit in the screw or hook heads
-
- 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
- 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
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/862—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the periphery of the screw head
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- 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
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (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
A kind of improvement of individual part on traditional pedicle nail of disclosure, so as to pass through simple operations, single shaft nail, universal nail can be achieved, switching between On Fluctuations nail three, realize the multipurpose of pedicle nail, application clinically is enriched, also simplifies stock and the storage in warehouse, there is great practicality and creativeness.
Description
Technical field
The present application relates to a kind of medical instrument applied in bone surgery, is exactly to common specifically
A kind of improvement of pedicle nail so that this new pedicle nail, it can be achieved that single shaft nail, universal nail, On Fluctuations follow closely three it
Between switching.
Prospect technology
In bone surgery field, the application of pedicle nail, also undergoes one section of process developed：The pedicle of vertebral arch of early stage,
It is referred to as single shaft nail, benefit is to make simply, and in surgical procedure, adjacent two centrum is strutted and closed up with dilator
When, operation is easy；But when putting pitman, because of the site error between two nails, and form trouble；To solve this trouble, people
Develop universal nail, partly solve such error；This two class is followed closely, and belongs to fixing glue, same to be used for mandatory fixation
In operation.But with the deep research and development of clinical technology, it has been found that drawback caused by mandatory fixed operation, i.e., easily exist
New lesion is produced in adjacent centrum.Then people develop newest front subject theory again, i.e., " non-fused operation ", and
Relevant equipment is developed, that is, is referred to as the novel vertebral pedicle nail of " On Fluctuations nail ".
Due to clinically finding, the nail of these three types, there is different characteristics, its strong point exists with drawback, can
Used in different occasions.But wide variety, can give production, stock , Warehouse deposit, clinically make troubles, then, clinically it is necessary to
A new pedicle nail is sought, three above effect is provided simultaneously with, particularly in operation, inserts pitman and plug screw
Afterwards, as long as can be by simply adjusting, so that it may reach the switching of three effects.
The content of the invention
For requirement clinically, the present invention follows closely existing universal nail and On Fluctuations, is retaining the situation of basic part
Under, part is transformed, so as to reach requirement clinically, realizes the switching of three effects.
The effect of traditional plug screw is：Pitman 3 is compressed, pitman 3 is compressed briquetting, briquetting compresses head shoot nail 8 again, from
And the process that single shaft nail is converted into from universal nail is completed, this process, it is necessary to carry out, and can not reverse after pitman 3 is loaded onto
The technical scheme is that：Substantially the main part of traditional universal nail is continued to use, such as connector, pitman, head
Ball is followed closely, so as to save R ＆ D Cost；The connector, in hollow cylinder, is equipped with internal thread, with main plug screw above inner cavity
External screw thread coordinates；Inner cavity lower end is equipped with sphere, the mating spherical surfaces with head shoot nail；It is provided with U-lag in the middle part of connector, the bottom of groove,
As the containment surfaces of pitman；The head shoot nail, upper end are in spherical, and the tooth form being suitably implanted into vertebra is processed into lower end；
The present invention solves the technical solution that its technical problem uses, and mainly includes：
Further, will be common, only play compression pitman this single plug screw, split into two, i.e., main spiral shell
Plug and secondary plug screw, control upper holder block and pitman respectively；Meanwhile will be common, only serve the pressure of support pitman, and by this
Pressure transmission nails on the briquetting of this single effect to head shoot, also splits into upper holder block and lower lock block, between the two, adds bullet
Spring, lower lock block still control head shoot to follow closely, and upper holder block does not recur and accepts the effect of pitman, but the effect of acceptor's plug screw, into
And control the gap between upper lower lock block.So as to the switching for reaching the locking to head shoot nail with loosening；
Further, the top of main plug screw and secondary plug screw, is equipped with the cross recess for throw effect, or interior hexagonal
Counterbore, in order to which operator controls it to be in different high and low positions as needed, so as to achieve the purpose that switching；
Further, the tooth of main plug screw and secondary plug screw is away from identical, this is allowed for, as long as using two throws, respectively
During operation, interference will not be produced each other；
Further, respectively there is the annular of a suitable spring installation in opposite two faces between upper holder block and lower lock block
Groove, to ensure the positioning of spring, and keeps working status；
Further, the plane head shot set by the head shoot first half of nail, coordinating equipped with one for throw makes
Counterbore, this plane, can also be reduced on the horizontal radius of sphere, so as to become another case study on implementation；
Beneficial effects of the present invention were it will be evident that both led the theoretical hair of " non-fused, On Fluctuations are fixed " this front subject
Exhibition, and the adaptable equipment for meeting subject requirement is provided for this subject, and continued to use simple and feasible skill on traditional clinical
Method；Need to only critical transformation be carried out to traditional equipment, you can use is switched in new and old subject.Greatly simplifie
The outfit of equipment, into the development of new disciplines, it will produce good clinical effectiveness and social benefit.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described
Brief description of the drawings
Fig. 1 is the two-dimensional representation of the embodiment of the present invention one；
Fig. 2 is the switching schematic diagram of the main screw in the embodiment of the present invention one；
Fig. 3 is the switching schematic diagram of the secondary screw in the embodiment of the present invention one；
Fig. 4 is the 3 d effect graph and exploded view of the embodiment of the present invention one, and the axis of the other direction of two groups of main enhancement member
Measure and be intended to；
Fig. 5 is the two-dimensional representation of the embodiment of the present invention two；
1, main plug screw；2, secondary plug screw；3, pitman；4, upper holder block；41, the bottom surface of upper holder block；42, the top surface of upper holder block；5, bullet
Spring；6, lower lock block；61, lower lock block bottom sphere；62, the top surface of lower lock block；7, connector；8, head shoot nail；
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings：
As shown in Figure 1, the present invention continues to use the main part of traditional universal nail substantially, such as connector 7, pitman 3, head shoot and follow closely 8,
So as to save the expense of research and development and remodeling；The connector 7, in hollow cylinder, is equipped with internal thread, with main spiral shell above inner cavity
The external screw thread of plug 1 coordinates；Inner cavity lower end is equipped with sphere, the mating spherical surfaces with head shoot nail 8；The middle part of connector 7 is provided with U-lag, groove
Bottom, become the containment surfaces of pitman 3；The head shoot nail 8, upper end are in spherical, and lower end, which is processed into, to be suitably implanted into vertebra
Tooth form；
The creativeness of the present invention, mainly to traditional plug screw and briquetting split and has improved.By traditional plug screw, tear open
It is divided into two to be connected with each other, and main plug screw 1 independent of each other and secondary plug screw 2.The external screw thread of main plug screw 1, the interior spiral shell with connector 7
Line coordinate, main plug screw can opposing connector 7 move up and down so that pass through the effect of the top surface to upper holder block, promote lower lock block 6
Move down, so as to compress head shoot nail 8, at this time, whole pedicle nail.Just in the function of single shaft nail；And to traditional briquetting, tear open
It is divided into upper and lower two briquettings, between the two, is flexibly connected with spring, at this time, if main plug screw 1 is disengaged with upper holder block,
Whole pedicle nail, is just presented the function of universal nail or On Fluctuations nail；
Before Clinical practice, upper holder block 4, spring 5, lower lock block 6, together with head shoot nail 8, has been assembled in connector 7
Interior intracavitary, and by a technique screens, block, do not fall out；In Clinical practice, in the pedicle nail for first assembling several pieces
Head shoot nail be implanted into respectively in several centrums, then insert pitman 3, then main plug screw 1 and secondary plug screw 2 simultaneously will be sleeved in advance
Screw in the internal thread above connector 7.At this time, can be because operator be according to clinical needs, and make several switchings：
A, when screwing main plug screw 1, main plug screw 1 is pressed downward, and is directed at upper holder block 4 and is pressed downward, and in the elastic force for overcoming spring 5
Afterwards, the gap between upper and lower briquetting disappears, then presses to lower lock block 6, and lower lock block 6 compresses the spherical of head shoot nail 8.At this time, the utility model
Pedicle nail, takes on the function of " single shaft nail "；This state, as shown on the right of the center line of Fig. 2；
B, when unscrewing main plug screw 1, main plug screw 1 ramps up, and disappears to the restraining force of upper holder block 4.At this time, spring 5 pushes up upwards
Holding in the palm upper holder block 4, upper holder block 4 or is constrained by pitman by the inner cavity screens of connector 7, without departing from；Spring 5 downwardly against
Head shoot follows closely 8, and gap is presented between upper and lower briquetting, and the lower spherical 61 of lower lock block 6 makees flexible constraint to the sphere of head shoot nail 8 at this time,
So that head shoot nail 8 can opposing connector 7, make micro- swing of certain angle around the centre of sphere.At this time, the utility model pedicle nail, is just presented
Go out the function of " On Fluctuations nail ", and the physical property of spring 5, such as line footpath, line-spacing etc., just determine that On Fluctuations follow closely presented swing
The size of damping.This state, as shown in the left side of the center line of Fig. 2；
C, when unscrewing secondary plug screw 2, the bottom surface of secondary plug screw 2, disengages with pitman 3, and then, pitman 3 can be even
The U-lag for connecing device 7 is moved or rotated along axis；At this time, if unscrewing main plug screw 1, (such as above-mentioned b states), under this state, the utility model
Pedicle nail, takes on the function of " universal nail ".Under this state, it is most suitable for using pitman 3 to connector 7 into row position tune
It is whole.Or in orthomorphia, used when being adjusted to the relative position of centrum, is orthopedic.This state, such as a left side for the center line of Fig. 3
Shown in side；
D, when screwing secondary plug screw 2, the bottom surface of secondary plug screw 2, the cylindrical surface of compression pitman 3, by 3 company of being pressed on of pitman
Connect the bottom of the U-lag of device 7；This step, is adapted to implement after pitman 3 is to the position adjustment of connector 7.Complete this step
Afterwards, then to main plug screw 1, the switching for being screwed or being loosened, (such as above-mentioned a and b states), at this time, the utility model pedicle nail, is in just
Reveal the function of " single shaft nail " or " On Fluctuations nail "；This state, as shown in the right of the center line of Fig. 3；
Just as previously discussed, by different switching combinings, the work(of three effects of the utility model pedicle nail are just constituted
Can conversion.In order to which interference will not be produced when switching major and minor plug screw, it is necessary to using one group of dedicated rotation recruitment of totally two
Tool, when being rotated at the same time simultaneously with this group of driver, major and minor plug screw moves up or down at the same time；If it is desired to only switch wherein one
During a plug screw, when only need to block a driver, another driver is allowed to act, you can.
Yet further, above-mentioned one group above totally two dedicated rotation exclusive tools or side, it is carved with
The mark of rotational angle, so that it may according to such mark, it is known that whether main plug screw 1 is with secondary plug screw 2 in the shape for compressing or loosening
State, thus know the utility model pedicle nail be in three switching in which kind of state, this mark contribute to clinical manipulation person's
Judge；
Similarly, can two according to the present invention main great creative improvement, equally to some other On Fluctuations
Nail carries out the improvement with principle, as schematically shown in Figure 5.
Above example is the preferred embodiment for the present invention, other all its principle and basic structure it is identical with the present embodiment or
Approximately, such as will head shoot nail make it is hollow, to facilitate injection bone cement etc., in the orthomorphia of Orthopeadic Surgery, or minimally invasive hand
In art, the row of protection of the invention are also fallen within.
Claims (10)
1. a kind of changeable novel vertebral pedicle using function is followed closely, it is characterised in that except general connector, pitman, head shoot
Outside nail, mainly briquetting, plug screw are improved.
2. novel vertebral pedicle nail as claimed in claim 1, it is characterised in that：The plug screw, splits into main plug screw and secondary spiral shell
Plug, both are upward equipped with the cooperation position of driver；Both in the following, upper holder block and pitman can be compressed respectively so that
Each serve as different effects.
3. novel vertebral pedicle nail as claimed in claim 2, it is characterised in that：Main spiral shell lead to plug 1 by with the upper end of connector institute
If screw thread be engaged, the moving up and down along axis of main 1 opposing connector of plug screw is realized, so that 1 bottom pair of winner's plug screw
Upper holder block realizes the switching for compressing or loosening.
4. novel vertebral pedicle nail as claimed in claim 2, it is characterised in that：Secondary plug screw 2 is located among main screw, and secondary plug screw
2 are engaged with the internal thread among main plug screw 1, realize that the secondary relatively main spiral shell of plug screw 2 also fills in 1 and can also make moving up and down along axis,
So that the switching for compressing or loosening is realized in the bottom of secondary plug screw 2 to pitman.
5. novel vertebral pedicle nail as claimed in claim 1, it is characterised in that：The briquetting, splits into upper holder block with pushing
Block, and between upper lower lock block, equipped with spring；Under the action of main plug screw 1 and spring so that upper holder block and lower lock block it is opposite two
A face, realizes the switching compressed with gap.
6. novel vertebral pedicle nail as claimed in claim 5, it is characterised in that：Upper holder block is placed in connector with lower lock block
In cavity；Lower lock block in the following, spherical, coordinate with the first half of the sphere of head shoot nail, realize to the compression of head shoot nail with
The switching in gap.
7. novel vertebral pedicle nail as claimed in claim 1, it is characterised in that：Connector is in hollow columnar, has one below inner cavity
Sphere, coordinates with the sphere lower half of head shoot nail；There is a U-shaped opening groove at middle part, and pitman is placed in U-lag, when secondary plug screw pressure
, it can be achieved that constraint and mobile switching of the connector relative to pitman when tightly or loosening pitman.
8. novel vertebral pedicle nail as claimed in claim 1, it is characterised in that；Head shoot nail one end is in spherical, is assemblied in connector
It is interior；The other end is stretched out outside connector, and has external screw thread, for being implanted into human body bone.
9. novel vertebral pedicle nail as claimed in claim 8, it is characterised in that：Head shoot nail is in spherical one end, there is a plane, is used
In the matching hole of placement driver；This plane, can also overlap with the centre of sphere, so as to save lower lock block, form another form of fine motion
State is followed closely.
10. as described in claim 1~9 novel vertebral pedicle nail, derived from, or improve after, such as will head shoot nail make it is hollow, with
Convenient injection bone cement etc., in the orthomorphia of Orthopeadic Surgery, or in Minimally Invasive Surgery, also falls within present patent application and protects it
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910325.2A CN107961066A (en) | 2016-10-19 | 2016-10-19 | A kind of allow hand over is followed closely using the novel vertebral pedicle of function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910325.2A CN107961066A (en) | 2016-10-19 | 2016-10-19 | A kind of allow hand over is followed closely using the novel vertebral pedicle of function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107961066A true CN107961066A (en) | 2018-04-27 |
Family
ID=61996972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610910325.2A Pending CN107961066A (en) | 2016-10-19 | 2016-10-19 | A kind of allow hand over is followed closely using the novel vertebral pedicle of function |
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| CN (1) | CN107961066A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720918A (en) * | 2018-06-13 | 2018-11-02 | 何伟义 | A kind of undercut mark On Fluctuations pedicle nail with pooling feature |
| CN110141344A (en) * | 2019-06-08 | 2019-08-20 | 何静 | A kind of flexible constraint formula pedicle nail of anti-explosion filaments |
| CN110141347A (en) * | 2019-06-08 | 2019-08-20 | 何静 | A kind of external spring type pedicle nail of anti-explosion filaments |
| CN110141346A (en) * | 2019-06-08 | 2019-08-20 | 何静 | A kind of fixed pedicle nail of the dynamic of anti-explosion filaments |
| CN110141345A (en) * | 2019-06-08 | 2019-08-20 | 何静 | A kind of dual-purpose pedicle nail of undercut mark of anti-explosion filaments |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202136405U (en) * | 2011-04-14 | 2012-02-08 | 北京市富乐科技开发有限公司 | Micro-increment support pedicle screw |
| US20150272627A1 (en) * | 2003-06-18 | 2015-10-01 | Roger P Jackson | Polyaxial bone anchor with helical capture connection, insert and dual locking assembly |
| CN105596071A (en) * | 2015-12-31 | 2016-05-25 | 何静 | Dual-functional pedicle screw |
| US20160166286A1 (en) * | 2010-01-15 | 2016-06-16 | Ebi, Llc | Uniplanar bone anchor system |
| CN205569056U (en) * | 2016-04-19 | 2016-09-14 | 胡桓宇 | Orthopedic pair of plug screw screw |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150272627A1 (en) * | 2003-06-18 | 2015-10-01 | Roger P Jackson | Polyaxial bone anchor with helical capture connection, insert and dual locking assembly |
| US20160166286A1 (en) * | 2010-01-15 | 2016-06-16 | Ebi, Llc | Uniplanar bone anchor system |
| CN202136405U (en) * | 2011-04-14 | 2012-02-08 | 北京市富乐科技开发有限公司 | Micro-increment support pedicle screw |
| CN105596071A (en) * | 2015-12-31 | 2016-05-25 | 何静 | Dual-functional pedicle screw |
| CN205569056U (en) * | 2016-04-19 | 2016-09-14 | 胡桓宇 | Orthopedic pair of plug screw screw |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720918A (en) * | 2018-06-13 | 2018-11-02 | 何伟义 | A kind of undercut mark On Fluctuations pedicle nail with pooling feature |
| WO2019237216A1 (en) * | 2018-06-13 | 2019-12-19 | 何伟义 | Low-notch microdynamic pedicle screw having buffering function |
| CN110141344A (en) * | 2019-06-08 | 2019-08-20 | 何静 | A kind of flexible constraint formula pedicle nail of anti-explosion filaments |
| CN110141347A (en) * | 2019-06-08 | 2019-08-20 | 何静 | A kind of external spring type pedicle nail of anti-explosion filaments |
| CN110141346A (en) * | 2019-06-08 | 2019-08-20 | 何静 | A kind of fixed pedicle nail of the dynamic of anti-explosion filaments |
| CN110141345A (en) * | 2019-06-08 | 2019-08-20 | 何静 | A kind of dual-purpose pedicle nail of undercut mark of anti-explosion filaments |
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Application publication date: 20180427 |