CN105055007B - A kind of way of escape spinal fixation system - Google Patents
A kind of way of escape spinal fixation system Download PDFInfo
- Publication number
- CN105055007B CN105055007B CN201510548131.8A CN201510548131A CN105055007B CN 105055007 B CN105055007 B CN 105055007B CN 201510548131 A CN201510548131 A CN 201510548131A CN 105055007 B CN105055007 B CN 105055007B
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- spinal column
- column fixing
- fixing rod
- lateral connector
- locking bolt
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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
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
-
- 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
- A61B17/7049—Connectors, not bearing on the vertebrae, for linking longitudinal elements together
-
- 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
-
- 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
-
- 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
- A61B17/863—Shanks, i.e. parts contacting bone tissue with thread interrupted or changing its form along shank, other than constant taper
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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
The invention discloses a kind of way of escape spinal fixation systems, including pedicle nail, spinal column fixing rod and lateral connector, the pedicle nail includes with double fusellal fabric rivet nuts and the U-type groove mounted on rivet nut end, the end of the spinal column fixing rod is stretched into U-type groove, and it is realized and is positioned by the first locking bolt, the lateral connector is provided at both ends with grab, lateral connector is realized by grab and spinal column fixing rod and is connected, by double spindle Universal vertebra arch root screws, lock spinal column fixing rod and the adjustable lateral connector of more planes, in the middle part of pedicle nail in the device and tail portion forms double fusellal fabrics, it can effectively prevent pedicle nail loosening, it falls off and is broken, lockable spinal column fixing rod can effectively prevent hold-down bars abjection.
Description
【Technical field】
The invention belongs to medical instruments, and in particular to fixed system in the pedicle screw-rod used in internal fixation of spine operation
System, more particularly to a kind of way of escape spinal fixation system.
【Background technology】
Via Posterior Spinal Approach Internal fixation technology (Posterior instrumentation) is sent out from Harrington sticks, hook technology
Exhibition pedicle nail bar system widely used up to now, experienced the evolution of history.Pedicle nail+spinal column fixing rod+transverse direction connects
Connect the way of escape spinal fixation system of device, it is possible to provide the fixation of three columns before, during and after backbone, and it is widely used in various spinal diseases
Operative treatment-fusion, including wound (spine fracture), deformity of spine (scoliosis, rear convex), backbone regression, tumor of spine
Deng.
Way of escape spinal fixation system generally includes pedicle nail, spinal column fixing rod and lateral connector, applies at present more
Pedicle nail be after-opening, spinal column fixing rod is accommodated in the threaded U-type groove in rear, by bolt by pedicle nail and backbone
Hold-down bars is linked together, and is linked together the pedicle nail of both sides and spinal column fixing rod further through lateral connector, realizes backbone
Be fixedly secured, current way of escape spinal fixation system there are pedicle nail loosen and risk of breakage, for osteoporosis
Patient, after carrying out nail pedicle fix, pedicle nail has the risk loosened, and existing pedicle nail enhancing technology includes that centrum is pre-
Fill bone cement enhancing, bone cement etc. injected by hollow pedicle nail, still, just in case need to perform the operation taking-up pedicle nail when,
The firm connection of bone cement causes that pedicle nail can not be taken out, and on the other hand, there is spiral shell at existing pedicle nail, front and middle part
Line, tail portion become weak load-bearing point with U-type groove interconnecting piece, are easy to be broken, and pedicle nail loosens, falls off and be broken, and often needs to turn over
It manicures art, virtually increases pain and the financial burden of patient.
【Invention content】
To overcome drawbacks described above and deficiency existing for existing Posterior fixation device, it is an object of the present invention to propose one kind
Way of escape spinal fixation system, by double spindle Universal vertebra arch root screws, locking spinal column fixing rod and the adjustable lateral connector of more planes
, in the middle part of the pedicle nail in the device and tail portion forms double fusellal fabrics, can effectively prevent pedicle nail and loosens, falls off and break
It splits, lockable spinal column fixing rod can effectively prevent hold-down bars abjection.
In order to achieve the above object, the technical solution adopted by the present invention is a kind of way of escape spinal fixation system, including vertebral arch
Root nail, spinal column fixing rod and lateral connector, the pedicle nail include with double fusellal fabric rivet nuts and mounted on rivet nut end
The end of the U-type groove at end, the spinal column fixing rod is stretched into U-type groove, and is realized and positioned by the first locking bolt, the transverse direction
Connector is provided at both ends with grab, and lateral connector is realized by grab and spinal column fixing rod and connected.
As an optimization, the present invention includes four pedicle nails, two spinal column fixing rods and one or more lateral connections
Device, respectively by two nail pedicle fix, two spinal column fixing rods are arranged in backbone both sides, laterally connect at the both ends of spinal column fixing rod
It connects device to be buckled on the spinal column fixing rod of both sides by the grab at both ends, one or more cross is provided between two spinal column fixing rods
To connector.
As an optimization, first locking bolt head is threadedly coupled fixation with U-type groove.
As an optimization, described spinal column fixing rod one end is provided with the lock hole coordinated with the first locking bolt screw rod, institute
The threaded hole for being provided on pedicle nail and coordinating with the first locking bolt screw rod is stated, lock hole is identical as threaded hole aperture, and first
The screw rod of locking bolt passes through lock hole to screw in threaded hole.
It is connected as an optimization, the U-type groove is realized with double fusellal fabric rivet nuts by universal shaft.
As an optimization, the spinal column fixing rod both ends are the hexagonal prisms coordinated with allen wrench.
As an optimization, the lateral connector includes fixed part and withdrawing part, slideway, withdrawing part are provided in fixed part
It is provided with the drawing plate stretched into slideway, limit sliding chutes are offered on fixed part, is provided on drawing plate and coordinates with limit sliding chutes
Limit protrusion, the fixed part is also equipped with for the fixed hold-down bolt for stretching Board position.
As an optimization, the grab at the lateral connector both ends is mounted on by universal shaft on lateral connector.
As an optimization, being provided with limit threaded hole on the lateral connector, limits and be equipped in threaded hole for locking
The caging bolt of tight grab and spinal column fixing rod.
As an optimization, being provided with self-locking washer between first locking bolt and spinal column fixing rod.
Compared with prior art, the present invention at least has the advantages that, present invention employs double spindle rivet nut knots
Structure designs, and being not only able to pedicle nail can be fixedly secured on backbone, and efficiently solve that bone cement brings can not take
The problem of going out pedicle nail, meanwhile, tail portion of the invention effectively can prevent pedicle nail to be broken using spindle-type α-Fe2O3, tie
Structure reasonable design can enhance the stability of pedicle nail, greatly reduce pain and the financial burden of patient, have extremely important
Medical value.
Further, the prior art is also easy to produce metal fragment when using bending machine bending spinal column fixing rod, in merging stick
When be only capable of the trace according to bending and judge that whether suitable stick is placed, if needing transfer rod, can only use hold stick and clamp stick is clamped and rotates,
In forming catcher mark on spinal column fixing rod, or even metal fragment is generated, spinal column fixing rod both ends of the invention are hexagonal prisms, in cooperation
Hexagon can facilitate the torsional bending for realizing spinal column fixing rod, avoid the abrasion of spinal column fixing rod, improve what it was used
Stability.
At present during surgery when installing lateral connector, coronal-plane need to be carried out to lateral connector when certain patients install
And the bending of sagittal plane, ready for installation on spinal column fixing rod, on the one hand these bending operations influence bone grafting, on the other hand extend
Operating time, lateral connector of the invention include fixing end and pull end, and it is adjustable to realize lateral connector length, and
And the both ends of lateral connector connect grab by universal shaft, the multi-angle rotary for realizing lateral connector is adjustable, can be fast
Speed, accurately with hold-down bars complete fix, without repeatedly to lateral connector carry out bending operation, substantially reduce operating time,
It is effective to improve clinical efficacy.
At present during surgery, the length of spinal column fixing rod after soft mould stick need to being used to measure, is cut to close using stick device is cut out
Suitable length, when installation, end need to exceed the distance of pedicle nail tail end, be difficult often to hold, if too short, spinal column fixing rod
Easily deviate from out of pedicle nail U-type groove, it is long, it is easy to hit neighbouring section articular process, causes patient's related symptoms, the present invention
Spinal column fixing rod one end be provided with the lock hole coordinated with the first locking bolt screw rod, be provided on pedicle nail and first lock
Determine the threaded hole of bolt screw rod cooperation, lock hole is identical as threaded hole aperture, and the screw rod of the first locking bolt is revolved across lock hole
Enter in threaded hole, spinal column fixing rod can either be limited by lock hole and expose the length of pedicle nail, and backbone can be strengthened
The firm performance of hold-down bars.
Further, it is provided with self-locking washer between the first locking bolt and spinal column fixing rod, improves the first locking spiral shell
The self-locking property of bolt effectively prevent loosening for the first locking bolt.
【Description of the drawings】
Fig. 1 is the structural schematic diagram of pedicle nail of the present invention.
Fig. 2 is the vertical view of pedicle nail.
Fig. 3 is spinal column fixing rod structural schematic diagram.
Fig. 4 is lateral connector sectional view.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the first locking bolt, the assembly structure diagram of self-locking washer, spinal column fixing rod and pedicle nail
Fig. 7 is the assembly structure diagram of the second locking bolt, spinal column fixing rod and pedicle nail.
Fig. 8 is fixing device assembly structure diagram of the present invention.
In attached drawing：1- pedicle nails, the bis- fusellal fabric rivet nuts of 11-, 12- universal shafts, 13- threaded holes, 14-U type grooves, 15-
First locking bolt, 16- self-locking washers, the second locking bolts of 17-, 2- spinal column fixing rods, 21- lock holes, 22- hexagonal prisms, 3-
Lateral connector, 31- pulls end, 311- drawing plates, 312- limit protrusions, 32- fixing ends, 321- limit sliding chutes, 33- limit spiral shell
Pit, 34 grabs, 35- hold-down bolts.
【Specific implementation mode】
It elaborates with reference to the accompanying drawings and examples to the present invention.
Referring to Fig. 1~Fig. 8, a kind of way of escape spinal fixation system, including pedicle nail 1, spinal column fixing rod 2 and lateral connection
Device 3, referring to Fig. 1 and Fig. 2, pedicle nail 1 include with double fusellal fabric rivet nuts 11 and the U-type groove 14, U mounted on rivet nut end
Type groove 14 realizes by universal shaft 12 with double fusellal fabric rivet nuts 11 and connects that the end of spinal column fixing rod 2 is stretched into U-type groove 14,
And realized and positioned by the first locking bolt 15, it is provided with self-locking washer 16 between the first locking bolt 15 and spinal column fixing rod 2,
First locking bolt, 15 head is threadedly coupled fixation with U-type groove 14；Lateral connector 3 is provided at both ends with grab 34, lateral connection
Device 3 is realized by grab 34 and spinal column fixing rod 2 and is connected.
Referring to Fig. 3,2 both ends of spinal column fixing rod are the hexagonal prisms 22 coordinated with allen wrench, are arranged on spinal column fixing rod 2
There is the lock hole 21 coordinated with 15 screw rod of the first locking bolt, is provided on pedicle nail 1 and matches with 15 screw rod of the first locking bolt
The threaded hole 13 of conjunction, lock hole 21 is identical as threaded hole aperture, and the screw rod of the first locking bolt 15 passes through lock hole 21 to screw in spiral shell
In pit 13.
Referring to Fig. 4 and Fig. 5, lateral connector 3 includes fixed part 32 and withdrawing part 31, and slideway is provided in fixed part 32,
Withdrawing part 31 is provided with the drawing plate 311 stretched into slideway, and limit sliding chutes 321 are offered on fixed part 32, are set on drawing plate 311
It is equipped with the limit protrusion 312 coordinated with limit sliding chutes 321, fixed part 32 is also equipped with the pressure for fixing 311 position of drawing plate
The grab 34 of tight bolt 35,3 both ends of lateral connector is mounted on by universal shaft on lateral connector 3, is set on lateral connector 3
It is equipped with limit threaded hole 33, limits the caging bolt being equipped in threaded hole 33 for locking grab 34 and spinal column fixing rod 2.
Referring to Fig. 8, the present invention includes four pedicle nails, 1, two spinal column fixing rod 2 and one or more lateral connectors
3, the both ends of spinal column fixing rod 2 are fixed by two pedicle nails 1 respectively, and two settings of spinal column fixing rod 2 are in backbone both sides, laterally
Connector 3 is buckled in by the grab 34 at both ends on the spinal column fixing rod 2 of both sides, between two spinal column fixing rods 2 there are one settings
Or multiple lateral connectors 3；
It should be understood that 1 quantity of pedicle nail of the present invention limit to and four, 1 quantity of pedicle nail is foundation
The fixed spinal segments situation merged is needed to determine.
In spinal surgery, after being placed in the pedicle nail 1 of appropriate length and diameter, simultaneously bending ridge is cut according to length
Column hold-down bars 2, lock hole 21 is sagittal plane dead astern when bending, after installing spinal column fixing rod 2, passes through the hexagonal prisms for rotating tail end
Spinal column fixing rod 2 is rotated, so that lock hole 21 is aligned with the threaded hole 13 of pedicle nail 1, then passes through the first locking bolt 15
Lock hole 21 is threaded into hole 13, first tightens 15 spinal fixation hold-down bars of the first locking bolt, 2 one end, is then placing backbone
It is screwed into the second locking bolt 17 in the pedicle nail 1 of the hold-down bars other end, realizes spinal column fixing rod 2, pedicle nail 1 and pedicle of vertebral arch
The locking of the U-type groove 14 of nail 1；Lateral connector 3 is buckled in by the suitable lateral connector 3 of reselection by the grab 34 at both ends
On the spinal column fixing rod 2 of both sides, tighten 3 both ends of lateral connector limit threaded hole 33 in bolt realize lateral connector 3 with
Then the length of the hold-down bolt locking lateral connector 3 on lateral connector 3 is tightened in the close connection of spinal column fixing rod 2, complete
It is fixed at installation.
As a preferred embodiment, pedicle nail 1 of the invention, spinal column fixing rod 2 and lateral connector 3 are by medical titanium
Alloy material is made, and the outer diameter of spinal column fixing rod 2 is 5.5mm, and 2 both ends of spinal column fixing rod are hexagonal prisms, facilitates and realizes that backbone is solid
Determine the rotation of stick 2, the cross section of lateral connector 3 is tetragonal body, and the size of tetragonal body is 6mm × 9mm, and card is carried below both ends
Hook 34,34 internal diameter of grab are 5.8mm, and lateral connector 3 is directly buckled in by grab 34 on spinal column fixing rod 2；Lateral connector 3
Length point 3 kinds of optional specifications, length range is respectively 5.0cm-6.0cm, 6.0cm-7.0cm and 7.0cm-9.0cm.
Claims (1)
1. a kind of way of escape spinal fixation system, it is characterised in that：Including pedicle nail (1), spinal column fixing rod (2) and lateral connection
Device (3), the pedicle nail (1) include with double fusellal fabric rivet nuts (11) and the U-type groove (14) mounted on rivet nut end, institute
The end for stating spinal column fixing rod (2) is stretched into U-type groove (14), and is realized and positioned by locking bolt, the lateral connector (3)
It is provided at both ends with grab (34), lateral connector (3) is realized by grab (34) and spinal column fixing rod (2) and connected, the transverse direction
It is provided with limit threaded hole (33) on connector (3), is equipped in limit threaded hole (33) for locking grab (34) and backbone
The caging bolt of hold-down bars (2), the locking bolt include the first locking bolt (15) and the second locking bolt (17), lock spiral shell
The head of bolt is threadedly coupled fixation with U-type groove (14), further includes four pedicle nails (1), two spinal column fixing rods (2) and one
Or multiple lateral connectors (3), the both ends of spinal column fixing rod (2) are fixed by two pedicle nails (1) respectively, and two backbones are fixed
Stick (2) is arranged in backbone both sides, and lateral connector (3) is buckled in by the grab (34) at both ends on the spinal column fixing rod (2) of both sides,
It is provided with one or more lateral connectors (3) between two spinal column fixing rods (2)；The card at lateral connector (3) both ends
Hook (34) is mounted on by universal shaft on lateral connector (3)；The U-type groove (14) passes through ten thousand with double fusellal fabric rivet nuts (11)
It realizes and connects to axis (12)；
Described spinal column fixing rod (2) one end is provided with the lock hole (21) coordinated with the first locking bolt (15) screw rod, the vertebra
The threaded hole (13) coordinated with the first locking bolt (15) screw rod, lock hole (21) and threaded hole hole are provided on nut nail (1)
Diameter is identical, and the screw rod of the first locking bolt (15) passes through lock hole (21) to screw in threaded hole (13)；
It is provided with self-locking washer (16) between first locking bolt (15) and spinal column fixing rod (2)；
Spinal column fixing rod (2) both ends are the hexagonal prisms (22) coordinated with allen wrench；
The lateral connector (3) includes fixed part (32) and withdrawing part (31), and slideway, withdrawing part are provided in fixed part (32)
(31) it is provided with the drawing plate (311) stretched into slideway, limit sliding chutes (321), drawing plate (311) are offered on fixed part (32)
On be provided with limit protrusion (312) with limit sliding chutes (321) cooperation, the fixed part (32) is also equipped with to be stretched for fixed
The hold-down bolt (35) of plate (311) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510548131.8A CN105055007B (en) | 2015-08-31 | 2015-08-31 | A kind of way of escape spinal fixation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510548131.8A CN105055007B (en) | 2015-08-31 | 2015-08-31 | A kind of way of escape spinal fixation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105055007A CN105055007A (en) | 2015-11-18 |
| CN105055007B true CN105055007B (en) | 2018-10-12 |
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| CN201510548131.8A Expired - Fee Related CN105055007B (en) | 2015-08-31 | 2015-08-31 | A kind of way of escape spinal fixation system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846537A (en) * | 2018-12-26 | 2019-06-07 | 李凯 | A method of limitation implants in vivo abrasive dust diffusion |
| CN111714195A (en) * | 2020-07-01 | 2020-09-29 | 中国人民解放军空军军医大学 | Multi-axial connector for spinal fixation system |
| CN111938796B (en) * | 2020-08-25 | 2023-01-31 | 龚锡奎 | Simple spinal column revision fusion assembly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609513Y (en) * | 2003-01-29 | 2004-04-07 | 邱贵兴 | Spine universal screw device |
| CN103598909A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Posterior spinal fixation instrument |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6616668B2 (en) * | 2000-06-09 | 2003-09-09 | Cross Medical Products, Inc. | Adjustable transverse connector for use with a spinal implant system |
| US7857834B2 (en) * | 2004-06-14 | 2010-12-28 | Zimmer Spine, Inc. | Spinal implant fixation assembly |
| CN2788753Y (en) * | 2005-05-31 | 2006-06-21 | 杨立群 | Universal spinal column internal fixing system |
| CN203815557U (en) * | 2014-03-28 | 2014-09-10 | 山东省千佛山医院 | Spine fixing device |
-
2015
- 2015-08-31 CN CN201510548131.8A patent/CN105055007B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609513Y (en) * | 2003-01-29 | 2004-04-07 | 邱贵兴 | Spine universal screw device |
| CN103598909A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Posterior spinal fixation instrument |
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| Publication number | Publication date |
|---|---|
| CN105055007A (en) | 2015-11-18 |
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