CN109171923A - Collimation device - Google Patents
Collimation device Download PDFInfo
- Publication number
- CN109171923A CN109171923A CN201810897602.XA CN201810897602A CN109171923A CN 109171923 A CN109171923 A CN 109171923A CN 201810897602 A CN201810897602 A CN 201810897602A CN 109171923 A CN109171923 A CN 109171923A
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- China
- Prior art keywords
- tong arm
- pedicle nail
- clamp
- collimation device
- pedicle
- 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.)
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
-
- 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)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention is to provide a kind of collimation device, for correcting the relative position of adjacent pedicle nail, it is characterized in that, the collimation device includes: two groups of clamp units, pedicle nail is clamped respectively, the each group of clamp unit includes fixed tong arm, movable tong arm and spring, and the fixation tong arm and the activity tong arm form nip part to clamp the pedicle nail, which is arranged between the fixation tong arm rear end and the activity tong arm rear end；And limit pivot, it is the fixation tong arm for linking the respectively clamp unit respectively, which is the depth of parallelism for limiting the fixation tong arm, so that its configuration is parallel to same plane to correct the U-shaped locating slot of the two adjacent pedicle nails.
Description
The application is the dividing application No. is 201510440148.1 patent of invention submitted on 07 24th, 2015 applying date
Case application, entitled " pedicle nail, component and the collimation device " of original application, by quoting entire contents knot
Close the application.
Technical field
The present invention relates to a kind of medical instruments, are used in the parallel of the fixed operation of minimal invasion backbone more particularly to a kind of
Corrector.
Background technique
Traditional short-tail pedicle nail needs to be arranged other instruments such as guiding sleeve on surgical procedure to assist guiding,
However to will cause operating procedure cumbersome and delay operating time for excessive instrument.Just there is long-tail pedicle nail to solve this problem
Appearance, long-tail pedicle nail be that two extended flanks is utilized to be formed by guiding channel to replace the guiding function of guiding sleeve
Energy.
But current open long-tail pedicle nail still has following points problem in actual use: one, can not intuition sight
Intercolumnar crooked radian is surveyed, the radian for correcting connecting rod is made not to be consistent with the radian between targets spine；Two, between each pedicle nail
Positioning correcting problem influences to correct wearing for connecting rod.And the above problem still only relies upon the micro-judgment of doctor at present, needs really
Lighter, more easy surgical instrument assemblies are for doctor's use, when simplifying the operating procedure of instrument and then shorten medical treatment
Journey.
In conclusion the present inventor designs a kind of collimation device, to be changed in view of the drawbacks of the prior art
It is kind, and then the implementation in enhancement industry utilizes.
Summary of the invention
According to above-mentioned existing problem, the purpose of the present invention is to propose to a kind of pedicle nails can utilize the U-shaped fixed of positioning end
Position slot directly judges the relative position of backbone for doctor, and can be closed by the opposite of the U-shaped locating slot between adjacent pedicle nail
System, to compare the radian of correction connecting rod.
According to above-mentioned existing problem, the purpose of the present invention is to propose to a kind of pedicle nails using extending to cyclic annular notch
The internal thread structure of two sides and the helicitic texture for pull rod bottom end of arranging in pairs or groups, increase it and screw togather the number of teeth and lock intensity to enhance it.In addition,
Intercolumnar relative position can be adjusted by pull rod, and backbone adjustment is returned to diagnosis and treatment position.
According to above-mentioned existing problem, it to be first at least two groups that the purpose of the present invention is to propose to a kind of collimation devices
Clamp unit to clamp corresponding pedicle nail respectively, by the Parallel Design of collimation device itself by pedicle nail adjustment
It is parallel to each other, the small clamping gap between clamp unit and pedicle nail is recycled, to finely tune the U-type groove side of pedicle nail
To.
According to above-mentioned existing problem, the purpose of the present invention is to propose to a kind of pedicle screw components, are mentioned through the invention
Instrument improvement out is effectively to solve the problems, such as that clinically instrumentation uses number that is cumbersome, and passing through instrument in the course of surgery
Amount, which is reduced, can reduce instrument case weight and volume, the usability conducive to instrument and carrying property, and then improve procedure efficiency.
According to above-mentioned purpose, the present invention is to provide a kind of pedicle nail, and it includes bone nail ontology, accommodation seat and positioning
End.Bone nail ontology can be tapping screw thread to be drilled on backbone.Accommodation seat is used to accommodate correction connecting rod, and accommodation seat includes base portion
And U-type groove, base portion have through hole so that bone nail ontology is worn, the two sides of U-type groove each extend over two long side walls, and U type groove is set
There is cyclic annular notch, cyclic annular notch has internal thread structure close to the side of U-type groove.Positioning end then has U-shaped locating slot, positioning end
It is arranged in two long side wall upper limbs, the notch direction of U-shaped locating slot is identical as the notch direction of U-type groove.
Preferably, internal thread structure extends to the two sides of cyclic annular notch.
Preferably, the screw thread external form of internal thread structure can be quadrangle and inclined direction and screw fastening are attached contrary.
Preferably, accommodation seat can be integrally formed with positioning end is made or to be assembled.
Preferably, be assembled may include socket or snapping.
According to above-mentioned purpose, the present invention also provides a kind of collimation devices of pedicle nail, and it includes two groups of clamp lists
Member and limit pivot.Each group of clamp unit includes fixed tong arm, movable tong arm and spring, fixes tong arm and movable tong arm shape
At nip part to clamp pedicle nail, spring setting is between fixed tong arm rear end and movable tong arm rear end and limit pivot can
The fixation tong arm of two groups of clamp units is linked, limit pivot is the depth of parallelism for limiting fixed tong arm, to correct two adjacent vertebral arch
The U-type groove of root nail makes its configuration be parallel to same plane.
Preferably, the thickness of fixed tong arm and movable tong arm is greater than 0.5 centimeter.
Preferably, collimation device of the invention also includes third clamp unit to clamp third pedicle nail, third pincers
Pressing from both sides unit also includes correction coupler group to correct the U-type groove depth of parallelism of third pedicle nail and pedicle nail.
Preferably, nip part and pedicle nail have a gap also to finely tune the U-shaped locating slot direction of pedicle nail.
According to above-mentioned purpose, the present invention also provides a kind of pedicle screw components, using a guide to carry out vertebra
Fixed operation, pedicle screw component include several pedicle nails, collimation device and correction connecting rod.Wherein each pedicle nail
It is to be drilled on corresponding backbone respectively, and clamp corresponding each pedicle nail using collimation device, to adjust each vertebra
The U-shaped locating slot of nut nail is oriented parallel on same plane.Correction connecting rod is can be high according to the U-shaped locating slot of each pedicle nail
Degree corrects the curvature of connecting rod to adjust, and correction connecting rod is to be seated in the accommodation seat of each pedicle nail by guide with puncturing, with
Restrain the relative distance of corresponding backbone.
It is understandable in order to allow the beneficial effect after above-mentioned purpose, technical characteristic and actual implementation to become apparent, hereinafter
Corresponding relevant attached drawing will be cooperated to be described in detail with preferred embodiment.
Detailed description of the invention
Fig. 1 is the schematic diagram of pedicle nail of the invention.
Fig. 2 is the partial schematic diagram of pedicle nail of the invention.
Fig. 3 is the first schematic diagram of collimation device of the invention.
Fig. 4 is the second schematic diagram of collimation device of the invention.
Fig. 5 is the third schematic diagram of collimation device of the invention.
Fig. 6 is the first schematic diagram of pedicle screw component of the invention.
Fig. 7 is the second schematic diagram of pedicle screw component of the invention.
Specific embodiment
This to be sent out herein convenient for understanding inventive features, content and advantage and its attainable effect of the invention
Bright cooperation attached drawing, and detailed description are as follows with the expression-form of embodiment, and wherein used attached drawing, purpose are intended merely to
Signal and book is aided in illustrating, is not necessarily the actual proportions after the present invention is implemented and precisely configuration, therefore not should be with regard to attached drawing
Ratio and configuration relation are interpreted, the limitation interest field of the invention in actual implementation.
Advantages of the present invention, feature and the technical method reached will carry out more detailed referring to illustrative examples and drawings
Ground is described and is easier to understand, and the present invention can realize in different forms, therefore is understood not to only limit institute herein
The embodiment of statement, on the contrary, provided embodiment will for the technical staff that technical field has common sense
Keep the disclosure more thorough and convey comprehensively and completely scope of the invention, and the present invention will only be attached claim
It is defined.
Please referring also to Fig. 1 and Fig. 2, pedicle nail 100 include bone nail ontology 110, accommodation seat 120 and positioning end
130.Bone nail ontology 110 is the self tapping vertebra type screw thread for having hollow guide hole, by the guidance of guid needle to be drilled in targets spine
On.Accommodation seat 120 is for accommodating correction connecting rod, and wherein accommodation seat 120 includes base portion 121 and U-type groove 122, base portion 121
With through hole 1215 so that bone nail ontology 110 is worn.In implementation, bone nail ontology 110 is to utilize similar ball with accommodation seat 120
Nest structure is combined to allow to present the deflection of several angles between the two.
The two sides of the U-type groove 122 of accommodation seat 120 upwardly extend two long side walls 1225 respectively, can accommodate other hands to be formed
The guiding channel that art instrument passes through.U-type groove 122 is further provided with cyclic annular notch 1221, wherein cyclic annular notch 1221 is close to U type groove 122
Side have internal thread structure 1222.Preferably, internal thread structure 1222 can extend to the two sides of cyclic annular notch 1221, to increase
Add the number of teeth for engagement of internal thread structure 1222, and then increases and lock intensity.In implementation, the external form of internal thread structure 1222
It more may be designed to four side type profiles and inclined direction and screw fastening subsidiary formula be on the contrary, press function hard after nut fastener locks to increase
Can, it is detached to avoid correction connecting rod.
Positioning end 130 is setting in two long side walls, 1225 upper limb and has U-shaped locating slot 131, however U-shaped locating slot 131
Notch direction it is identical as the notch direction of U-type groove 122, so that medical staff can by the notch direction of U-shaped locating slot 131
It intuitively learns and is drilled in the notch direction of the U-type groove 122 of patient spine.In implementation, positioning end 130 can be with accommodation seat 120
Positioning accuracy is higher to be integrally formed the assembly that is made or can be mass.Wherein when the two is made of one piece
When, the most common processing method is directly to mill out U-type groove 122 using cutter and process U-shaped positioning at positioning end 130 again
Slot 131.And when being combined with assembling mode, then linking part can be added in two long side walls 1225, then assemble connection had it is U-shaped
The positioning end 130 of locating slot 131.In implementation, assembling mode can be carried out in a manner of socket, snapping or bridge joint etc. various according to demand
Assembling.
Fig. 3 is referred to, is the first schematic diagram of collimation device of the invention.By in figure it is found that collimation device
200 include two groups of clamp units 210 and limit pivot 220.Each group of clamp unit 210 includes fixed tong arm 211, adjustable clamp
Arm 212 and spring 213, fixed tong arm 211 form nip part 215 with movable tong arm 212 to clamp pedicle nail 100, spring
213 settings are between 212 rear end of fixed 211 rear end of tong arm and movable tong arm, wherein fixed tong arm 211 and movable tong arm 212
Thickness need to be greater than 0.5 centimeter, to increase clamping plane.Limit pivot 220 then links the fixation tong arm of two groups of clamp units 210
211, limit pivot 220 can limit the depth of parallelism between two fixed tong arms 211, and then correct two adjacent pedicle nails 100
U-shaped locating slot 131, so that its configuration is parallel to same plane, notch direction is same direction and keeps it parallel in implementation, but
It does not influence under integrated piercing step, still allows parallel deviation slightly.
In implementation, when pedicle nail 100 is drilled in backbone, it is easy that pedicle nail 100 can be made because of the elasticity of tissue
Several angle tilts is generated, adjacent pedicle nail 100 at this moment can be clamped by collimation device 200, utilization is prior
The clamp unit 210 of the correction depth of parallelism can allow the inclined pedicle nail 100 in part is sandwiched to maintain state parallel to each other, then pass through pincers
Small clamping gap between oral area 215 and pedicle nail 100, for the U type groove 122 of doctor's manual fine-tuning pedicle nail 100
Direction.
Refer to Fig. 4, by figure it is found that however when the backbone of the fixed operation of backbone to be carried out is excessive, be drilled with multiple vertebras
Nut nail 100 on opposite backbone, at this moment the depth of parallelism problem of pedicle screws 100 then will have a direct impact on overall operation at
Power.It when targets spine position is adjacent, is clamped in order using the collimation device 200 of multiple groups, passes through the parallel school of multiple groups
The staggeredly clamping on the upper layer, lower layer of positive device 200, to ensure the parastate between each pedicle nail 100.It, then can basis in implementation
Actual conditions are increased and decreased the number of collimation device 200.
Refer to Fig. 5, when targets spine spacing farther out when, then adjacent pedicle of vertebral arch can be first clamped with collimation device 200
Nail 100 recycles third clamp unit 230 to clamp third pedicle nail 232, passes through the school being connected with collimation device 200
Positive connection rod set 231 is to manually adjust the relative position of each pedicle nail 100.If can be incited somebody to action using collimation device 200 of the invention
The notch direction adjustment correction of the U-shaped locating slot 131 of dry pedicle nail 100 is parallel on same plane, more at present to solve
The depth of parallelism judgement of a pedicle nail 100 must rely on doctor and be asked according to what actual operation situation and clinical experience were judged
Topic, and then promote precision when correction connecting rod punctures.
Please referring also to Fig. 1 and Fig. 6, by figure it is found that pedicle screw component 300 includes several pedicle nails 100, extremely
A few collimation device 200 and correction connecting rod 8.When patient, which needs to implement minimal invasion backbone, fixes operation, first with hand
Art guidance system will guide pin puncture and be sheathed on guid needle on targets spine, then by pedicle nail 100 to be drilled with corresponding
Backbone on.After several pedicle nails 100, which are drilled with, to be fixed, two long side wall 1225 of part and positioning end of pedicle nail 100
130 is prominent on the outside of pars affecta skin, and each clamp unit 210 of collimation device 200 is clamped in corresponding by doctor in order again
Pedicle nail 100, and the direction for manually adjusting the U-shaped locating slot 131 of each pedicle nail 100 makes it be parallel to same plane
On.
At this moment doctor can be by the relative altitude between the U-shaped locating slot 131 of each pedicle nail 100 of observation to judge target ridge
The crooked radian of column, when adjacent backbone radian variation is excessive, doctor can be using the helicitic texture of pull rod front end to be screwed on
The internal thread structure 1222 of pedicle nail 100, gradually to reset each intercolumnar position of adjustment, and will correction connecting rod 8 adjust to
Meet the radian between each U-shaped locating slot 131.
Correction connecting rod 8 is then clamped in when targets spine has been reset to correction position by please referring also to Fig. 1, Fig. 6 and Fig. 7
On the guid arm of guide 5, and guide 5 is then arranged on pedicle nail 100, and adjust the radius of gyration of guid arm, with
Correction connecting rod 8 can be punctured to be placed in the accommodation seat 120 of each pedicle nail 100.After the completion of correction connecting rod 8 is placed, each vertebra
Nut nail 100 then locks corresponding set screw fastener respectively, is detached to avoid correction connecting rod 8, and then restrains between each backbone
Relative position.However when correction connecting rod 8 is fixed on the accommodation seat 120 of each pedicle nail 100, then using accommodation seat 120
On cyclic annular notch 1221 each long side wall 1225 is fractureed taking-up, then carry out wound suture to complete entire surgical procedures.
The present invention be directed to currently used long wing pedicle nails to be designed change, can allow doctor by the design of positioning end
Teacher more intuitively recognizes the relative position between targets spine, to adjust the radian of correction connecting rod.Pass through collimation again simultaneously
The design of device can allow multiple pedicle nail adjustment fixations to be parallel on same plane, so that the puncture of correction connecting rod is put, into
And it improves procedure efficiency and promotes success rate of operation.
Embodiment described above is technical idea and feature to illustrate the invention, purpose this field known to make
The personnel of technology can understand the contents of the present invention and according to its implementation, therefore claim of the invention cannot be limited with it,
I.e. generally according to same changes or modifications made by spirit disclosed in this invention, should cover in claim of the invention
It is interior.
Symbol description
5 guides
8 correction connecting rods
100 pedicle nails
110 bone nail ontologies
120 accommodation seats
121 base portions
1215 through holes
122U type groove
1221 cyclic annular notches
1222 internal thread structures
1225 long side walls
130 positioning ends
131U type locating slot
200 collimation devices
210 clamp units
211 fixed tong arms
212 movable tong arms
213 springs
215 nip parts
220 limit pivots
230 third clamp units
231 correction coupler groups
232 third pedicle nails
300 pedicle screw components
Claims (4)
1. a kind of collimation device, for correcting the relative position of adjacent pedicle nail, which is characterized in that the collimation device packet
Contain:
Two groups of clamp units, clamp pedicle nail respectively, and each group of clamp unit includes fixed tong arm, movable tong arm and bullet
Spring, the fixation tong arm and the activity tong arm form nip part to clamp the pedicle nail, which is arranged after the fixation tong arm
Between end and the activity tong arm rear end；And
Pivot is limited, is the fixation tong arm for linking the respectively clamp unit respectively, which limits the fixation tong arm
The depth of parallelism makes its configuration be parallel to same plane to correct the U-shaped locating slot of the two adjacent pedicle nails.
2. collimation device as described in claim 1, which is characterized in that the fixation tong arm and the thickness of the activity tong arm are greater than
0.5 centimeter.
3. collimation device as described in claim 1, which is characterized in that the collimation device also includes third clamp list
For member to clamp third pedicle nail, which also includes correction coupler group, which is to utilize the school
Positive connection rod set is to be connected to the collimation device, to correct the U-type groove depth of parallelism of the third pedicle nail Yu the pedicle nail.
4. collimation device as described in claim 1, which is characterized in that the nip part and the pedicle nail also have a gap
To finely tune the U-type groove direction of the pedicle nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897602.XA CN109171923A (en) | 2015-07-24 | 2015-07-24 | Collimation device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897602.XA CN109171923A (en) | 2015-07-24 | 2015-07-24 | Collimation device |
| CN201510440148.1A CN106361422A (en) | 2015-07-24 | 2015-07-24 | Pedicle screw, assembly thereof, and parallel corrector |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510440148.1A Division CN106361422A (en) | 2015-07-24 | 2015-07-24 | Pedicle screw, assembly thereof, and parallel corrector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109171923A true CN109171923A (en) | 2019-01-11 |
Family
ID=57880941
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510440148.1A Pending CN106361422A (en) | 2015-07-24 | 2015-07-24 | Pedicle screw, assembly thereof, and parallel corrector |
| CN201810897602.XA Pending CN109171923A (en) | 2015-07-24 | 2015-07-24 | Collimation device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510440148.1A Pending CN106361422A (en) | 2015-07-24 | 2015-07-24 | Pedicle screw, assembly thereof, and parallel corrector |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106361422A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1859875A (en) * | 2003-09-29 | 2006-11-08 | Sdgi控股股份有限公司 | Instruments and methods for securing a connecting element along a bony segment |
| CN2877601Y (en) * | 2006-03-17 | 2007-03-14 | 兖矿集团有限公司 | Vertebral pedicle guidance unit |
| US20080125817A1 (en) * | 2006-09-25 | 2008-05-29 | Stryker Spine | Rod contouring alignment linkage |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8956361B2 (en) * | 2011-12-19 | 2015-02-17 | Amendia, Inc. | Extended tab bone screw system |
| CN202859280U (en) * | 2012-10-31 | 2013-04-10 | 王国喜 | Minimally invasive composite self-tapping pedicle screw |
| CN203935264U (en) * | 2014-06-26 | 2014-11-12 | 常州鼎健医疗器械有限公司 | Orthopedic pedicle nail combination |
-
2015
- 2015-07-24 CN CN201510440148.1A patent/CN106361422A/en active Pending
- 2015-07-24 CN CN201810897602.XA patent/CN109171923A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1859875A (en) * | 2003-09-29 | 2006-11-08 | Sdgi控股股份有限公司 | Instruments and methods for securing a connecting element along a bony segment |
| CN2877601Y (en) * | 2006-03-17 | 2007-03-14 | 兖矿集团有限公司 | Vertebral pedicle guidance unit |
| US20080125817A1 (en) * | 2006-09-25 | 2008-05-29 | Stryker Spine | Rod contouring alignment linkage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106361422A (en) | 2017-02-01 |
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