CN105055007A - Posterior spine fixing device - Google Patents
Posterior spine fixing device Download PDFInfo
- Publication number
- CN105055007A CN105055007A CN201510548131.8A CN201510548131A CN105055007A CN 105055007 A CN105055007 A CN 105055007A CN 201510548131 A CN201510548131 A CN 201510548131A CN 105055007 A CN105055007 A CN 105055007A
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- Prior art keywords
- spinal column
- lock
- column fixing
- bolt
- fixing rod
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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 posterior spine fixing device. The posterior spine fixing device comprises pedicle screws, spine fixing rods and a transverse connector. Each pedicle screw comprises a screw body provided with a double-spindle structure, and a U-shaped groove formed in the tail end of the screw body. The ends of each spine fixing rod stretch into the corresponding U-shaped grooves and are positioned through first locking bolts. Clamping hooks are arranged at the two ends of the transverse connector which is connected with the spine fixing rods through the clamping hooks. The spine fixing rods and the transverse connector adjustable in multiple planes are locked through the double-spindle-shaped universal pedicle screws. The middle and the tail of each pedicle screw in the device form the double-spindle structure, the pedicle screws can be effectively prevented from becoming loose, falling off and breaking, and the spine fixing rods can be locked and can be effectively prevented from disengaging.
Description
[technical field]
The invention belongs to medical apparatus and instruments, be specifically related to the pedicle screw-rod internal fixation system used in internal fixation of spine operation, particularly a kind of way of escape spinal fixation system.
[background technology]
The pedicle nail bar system that Via Posterior Spinal Approach Internal fixation technology (Posteriorinstrumentation) is widely applied up to now from Harrington rod, hook technical development, experienced by the evolution of history.The way of escape spinal fixation system of pedicle nail+spinal column fixing rod+lateral connector, the fixing of three posts before, during and after spinal column can be provided, and be widely used in the operative treatment-fusion of various spinal disease, comprise wound (spinal fracture), deformity of spine (skoliosis, rear convex), spinal column regression, tumor of spine etc.
Way of escape spinal fixation system generally includes pedicle nail, spinal column fixing rod and lateral connector, the more pedicle nail of current application is after-opening, spinal column fixing rod is held in the threaded U-type groove in rear, by bolt, pedicle nail and spinal column fixing rod are connected as a single entity, by lateral connector, the pedicle nail of both sides and spinal column fixing rod are connected as a single entity again, realize fixedly securing of spinal column, there is getting loose of pedicle nail and risk of breakage in current way of escape spinal fixation system, for osteoporotic patient, after carrying out nail pedicle fix, pedicle nail has the risk got loose, existing pedicle nail enhancement techniques comprises vertebral body pre-filled bone cement and strengthens, by the pedicle nail injection bone cement etc. of hollow, but, when taking out pedicle nail just in case need perform the operation, the strong bonded of bone cement causes cannot take out pedicle nail, on the other hand, existing pedicle nail, there is screw thread at anterior and middle part, afterbody and U-type groove connecting portion become weak load-bearing point, be easy to fracture, pedicle nail loosens, come off and rupture, often need revision procedure, virtually add misery and the financial burden of patient.
[summary of the invention]
For overcoming above-mentioned defect and the deficiency of the existence of existing Posterior fixation device, the object of the invention is to, a kind of way of escape spinal fixation system is proposed, by two spindle Universal vertebra arch root screw, locking spinal column fixing rod and many planes adjustable lateral connectors, in the middle part of pedicle nail in this device and afterbody form two fusellal fabric, can effectively prevent pedicle nail from loosening, come off and rupture, lockable spinal column fixing rod can effectively prevent hold-down bars from deviating from.
In order to achieve the above object, the technical solution used in the present invention is, a kind of way of escape spinal fixation system, comprise pedicle nail, spinal column fixing rod and lateral connector, described pedicle nail comprises with two fusellal fabric rivet nut and the U-type groove being arranged on rivet nut end, and the end of described spinal column fixing rod is stretched in U-type groove, and realizes location by the first lock(ing) bolt, described lateral connector two ends are provided with grab, and lateral connector realizes being connected by grab and spinal column fixing rod.
As what optimize, the present invention includes four pedicle nails, two spinal column fixing rods and one or more lateral connector, the two ends of spinal column fixing rod are respectively by two nail pedicle fix, two spinal column fixing rods are arranged on spinal column both sides, lateral connector is buckled on the spinal column fixing rod of both sides by the grab at two ends, is provided with one or more lateral connector between two spinal column fixing rods.
As what optimize, described first lock(ing) bolt head is threaded fixing with U-type groove.
As what optimize, described spinal column fixing rod one end is provided with the lock hole coordinated with the first lock(ing) bolt screw rod, described pedicle nail is provided with the screwed hole coordinated with the first lock(ing) bolt screw rod, lock hole is identical with screwed hole aperture, and the screw rod of the first lock(ing) bolt screws in screwed hole through lock hole.
As what optimize, described U-type groove realizes being connected by universal drive shaft with two fusellal fabric rivet nut.
As what optimize, described spinal column fixing rod two ends are six prisms coordinated with allen wrench.
As what optimize, described lateral connector comprises fixed part and withdrawing part, slideway is provided with in fixed part, withdrawing part is provided with the drawing plate stretched in slideway, fixed part offers limit sliding chutes, drawing plate is provided with the spacing preiection coordinated with limit sliding chutes, described fixed part is also provided with the hold-down bolt for fixing drawing plate position.
As what optimize, the grab at described lateral connector two ends is arranged on lateral connector by universal drive shaft.
As what optimize, described lateral connector is provided with spacing screwed hole, the caging bolt for locking grab and spinal column fixing rod is installed in spacing screwed hole.
As what optimize, between described first lock(ing) bolt and spinal column fixing rod, be provided with self-locking packing ring.
Compared with prior art, the present invention at least has following beneficial effect, present invention employs two spindle rivet nut structural design, not only can fixedly secure on spinal column by pedicle nail, and efficiently solve the problem cannot taking out pedicle nail that bone cement brings, simultaneously, afterbody of the present invention adopts spindle-type α-Fe2O3 effectively to prevent pedicle nail from rupturing, reasonable in design, the stability of pedicle nail can be strengthened, greatly reduce misery and the financial burden of patient, have very important medical value.
Further, prior art easily produces metal fragment when using lever bending spinal column fixing rod, only can judge whether rod is laid suitable according to the trace of bending when inserting rod, if need transfer rod, can only use and hold excellent clamp and hold rod and rotate, catcher mark is formed on spinal column fixing rod, even produce metal fragment, spinal column fixing rod two ends of the present invention are six prisms, coordinate allen wrench conveniently can realize the torsional bending of spinal column fixing rod, avoid the wearing and tearing of spinal column fixing rod, improve the stability that it uses.
At present in operation when installing lateral connector, coronalplane and sagittal bending need be carried out to lateral connector when some patient installs, can be arranged on spinal column fixing rod, these bending operations affect bone grafting on the one hand, extend operating time on the other hand, lateral connector of the present invention comprises stiff end and pull end, achieve lateral connector adjustable length, and, the two ends of lateral connector all connect grab by universal drive shaft, the multi-angle rotary achieving lateral connector is adjustable, can be rapid, accurate and hold-down bars completes fixing, without the need to repeatedly carrying out bending operation to lateral connector, substantially reduce operating time, effectively improve clinical efficacy.
At present in operation, the length of spinal column fixing rod, soft mould rod need be used to measure after, the excellent device of sanction is used to be cut to appropriate length, during installation, its end need exceed the distance of pedicle nail tail end, often be difficult to hold, too short words, spinal column fixing rod is easily deviate from pedicle nail U-type groove, long, be easy to clash into neighbouring section articular process, cause patient's related symptoms, spinal column fixing rod one end of the present invention is provided with the lock hole coordinated with the first lock(ing) bolt screw rod, pedicle nail is provided with the screwed hole coordinated with the first lock(ing) bolt screw rod, lock hole is identical with screwed hole aperture, the screw rod of the first lock(ing) bolt screws in screwed hole through lock hole, the length that spinal column fixing rod exposes pedicle nail can either be limited by lock hole, the firm performance of spinal column fixing rod can be strengthened again.
Further, between the first lock(ing) bolt and spinal column fixing rod, be provided with self-locking packing ring, improve the self-locking property of the first lock(ing) bolt, effectively prevent getting loose of the first lock(ing) bolt.
[accompanying drawing explanation]
Fig. 1 is the structural representation of pedicle nail of the present invention.
Fig. 2 is the top view of pedicle nail.
Fig. 3 is spinal column fixing rod structural representation.
Fig. 4 is lateral connector sectional view.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is the package assembly schematic diagram of the first lock(ing) bolt, self-locking packing ring, spinal column fixing rod and pedicle nail
Fig. 7 is the package assembly schematic diagram of the second lock(ing) bolt, spinal column fixing rod and pedicle nail.
Fig. 8 is fixture package assembly schematic diagram of the present invention.
In accompanying drawing: 1-pedicle nail, the two fusellal fabric rivet nut of 11-, 12-universal drive shaft, 13-screwed hole, 14-U type groove, 15-first lock(ing) bolt, 16-self-locking packing ring, 17-second lock(ing) bolt, 2-spinal column fixing rod, 21-lock hole, 22-six prism, 3-lateral connector, 31-pull end, 311-drawing plate, 312-spacing preiection, 32-stiff end, 321-limit sliding chutes, the spacing screwed hole of 33-, 34 grabs, 35-hold-down bolt.
[detailed description of the invention]
Below in conjunction with drawings and Examples, the present invention is elaborated.
See Fig. 1 ~ Fig. 8, a kind of way of escape spinal fixation system, comprise pedicle nail 1, spinal column fixing rod 2 and lateral connector 3, see Fig. 1 and Fig. 2, pedicle nail 1 comprises with two fusellal fabric rivet nut 11 and the U-type groove 14 being arranged on rivet nut end, U-type groove 14 realizes being connected by universal drive shaft 12 with two fusellal fabric rivet nut 11, the end of spinal column fixing rod 2 is stretched in U-type groove 14, and realize location by the first lock(ing) bolt 15, self-locking packing ring 16 is provided with between first lock(ing) bolt 15 and spinal column fixing rod 2, first lock(ing) bolt 15 head is threaded fixing with U-type groove 14, lateral connector 3 two ends are provided with grab 34, and lateral connector 3 realizes being connected with spinal column fixing rod 2 by grab 34.
See Fig. 3, spinal column fixing rod 2 two ends are six prisms 22 coordinated with allen wrench, spinal column fixing rod 2 is provided with the lock hole 21 coordinated with the first lock(ing) bolt 15 screw rod, pedicle nail 1 is provided with the screwed hole 13 coordinated with the first lock(ing) bolt 15 screw rod, lock hole 21 is identical with screwed hole aperture, and the screw rod of the first lock(ing) bolt 15 screws in screwed hole 13 through lock hole 21.
See Fig. 4 and Fig. 5, lateral connector 3 comprises fixed part 32 and withdrawing part 31, slideway is provided with in fixed part 32, withdrawing part 31 is provided with the drawing plate 311 stretched in slideway, fixed part 32 offers limit sliding chutes 321, drawing plate 311 is provided with the spacing preiection 312 coordinated with limit sliding chutes 321, fixed part 32 is also provided with the hold-down bolt 35 for fixing drawing plate 311 position, the grab 34 at lateral connector 3 two ends is arranged on lateral connector 3 by universal drive shaft, lateral connector 3 is provided with spacing screwed hole 33, caging bolt for locking grab 34 and spinal column fixing rod 2 is installed in spacing screwed hole 33.
See Fig. 8, the present invention includes four pedicle nails, 1, two spinal column fixing rods 2 and one or more lateral connector 3, the two ends of spinal column fixing rod 2 are fixed by two pedicle nails 1 respectively, two spinal column fixing rods 2 are arranged on spinal column both sides, lateral connector 3 is buckled on the spinal column fixing rod 2 of both sides by the grab 34 at two ends, is provided with one or more lateral connector 3 between two spinal column fixing rods 2;
Should be understood that, pedicle nail 1 quantity of the present invention is not limited to and four, and pedicle nail 1 quantity is according to needing the fixing spinal segments situation merged to determine.
When spinal surgery, after inserting the pedicle nail 1 of appropriate length and diameter, according to length cutting and bending spinal column fixing rod 2, during bending, lock hole 21 is sagittal plane dead astern, after spinal column fixing rod 2 is installed, spinal column fixing rod 2 is rotated by six prisms rotating tail end, lock hole 21 is alignd with the screwed hole 13 of pedicle nail 1, then the first lock(ing) bolt 15 is screwed in screwed hole 13 through lock hole 21, first tighten first lock(ing) bolt 15 spinal fixation hold-down bars 2 one end, then in the pedicle nail 1 placing the spinal column fixing rod other end, the second lock(ing) bolt 17 is screwed into, realize spinal column fixing rod 2, the locking of the U-type groove 14 of pedicle nail 1 and pedicle nail 1, select suitable lateral connector 3 again, lateral connector 3 is buckled on the spinal column fixing rod 2 of both sides by the grab 34 at two ends, the bolt tightened in the spacing screwed hole 33 in lateral connector 3 two ends realizes the compact siro spinning technology of lateral connector 3 and spinal column fixing rod 2, then tighten the length of the hold-down bolt locking lateral connector 3 on lateral connector 3, complete to install and fix.
As preferred embodiment, pedicle nail 1 of the present invention, spinal column fixing rod 2 and lateral connector 3 are made by medical titanium alloy material, the external diameter of spinal column fixing rod 2 is 5.5mm, spinal column fixing rod 2 two ends are six prisms, conveniently realize the rotation of spinal column fixing rod 2, and the cross section of lateral connector 3 is tetragonal body, tetragonal body is of a size of 6mm × 9mm, with grab 34 below two ends, grab 34 internal diameter is 5.8mm, and lateral connector 3 is directly buckled on spinal column fixing rod 2 by grab 34; The length of lateral connector 3 divides 3 kinds of optional specification, and length range is respectively 5.0cm-6.0cm, 6.0cm-7.0cm and 7.0cm-9.0cm.
Claims (10)
1. a way of escape spinal fixation system, it is characterized in that: comprise pedicle nail (1), spinal column fixing rod (2) and lateral connector (3), described pedicle nail (1) comprises with two fusellal fabric rivet nut (11) and the U-type groove (14) being arranged on rivet nut end, the end of described spinal column fixing rod (2) is stretched in U-type groove (14), and realize location by lock(ing) bolt, described lateral connector (3) two ends are provided with grab (34), lateral connector (3) realizes being connected with spinal column fixing rod (2) by grab (34).
2. a kind of way of escape spinal fixation system as claimed in claim 1, it is characterized in that, comprise four pedicle nails (1), two spinal column fixing rods (2) and one or more lateral connector (3), the two ends of spinal column fixing rod (2) are fixed by two pedicle nails (1) respectively, two spinal column fixing rods (2) are arranged on spinal column both sides, lateral connector (3) is buckled on the spinal column fixing rod (2) of both sides by the grab (34) at two ends, one or more lateral connector (3) is provided with between two spinal column fixing rods (2).
3. a kind of way of escape spinal fixation system as claimed in claim 1, it is characterized in that, described lock(ing) bolt comprises the first lock(ing) bolt (15) and the second lock(ing) bolt (17), and the head of lock(ing) bolt is threaded fixing with U-type groove (14).
4. a kind of way of escape spinal fixation system as claimed in claim 3, it is characterized in that, described spinal column fixing rod (2) one end is provided with the lock hole (21) coordinated with the first lock(ing) bolt (15) screw rod, described pedicle nail (1) is provided with the screwed hole (13) coordinated with the first lock(ing) bolt (15) screw rod, lock hole (21) is identical with screwed hole aperture, and the screw rod of the first lock(ing) bolt (15) screws in screwed hole (13) through lock hole (21).
5. a kind of way of escape spinal fixation system as claimed in claim 4, is characterized in that, is provided with self-locking packing ring (16) between described first lock(ing) bolt (15) and spinal column fixing rod (2).
6. a kind of way of escape spinal fixation system as claimed in claim 1, is characterized in that, described U-type groove (14) realizes being connected by universal drive shaft (12) with two fusellal fabric rivet nut (11).
7. a kind of way of escape spinal fixation system as claimed in claim 1, is characterized in that, described spinal column fixing rod (2) two ends are six prisms (22) coordinated with allen wrench.
8. a kind of way of escape spinal fixation system as claimed in claim 1, it is characterized in that, described lateral connector (3) comprises fixed part (32) and withdrawing part (31), fixed part is provided with slideway in (32), withdrawing part (31) is provided with the drawing plate (311) stretched in slideway, fixed part (32) offers limit sliding chutes (321), drawing plate (311) is provided with the spacing preiection (312) coordinated with limit sliding chutes (321), described fixed part (32) is also provided with the hold-down bolt (35) for fixing drawing plate (311) position.
9. a kind of way of escape spinal fixation system as claimed in claim 1, is characterized in that, the grab (34) at described lateral connector (3) two ends is arranged on lateral connector (3) by universal drive shaft.
10. a kind of way of escape spinal fixation system as claimed in claim 1, it is characterized in that, described lateral connector (3) is provided with spacing screwed hole (33), the caging bolt for locking grab (34) and spinal column fixing rod (2) is installed in spacing screwed hole (33).
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 true CN105055007A (en) | 2015-11-18 |
| CN105055007B CN105055007B (en) | 2018-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| Country | Link |
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| CN (1) | CN105055007B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135088A1 (en) * | 2018-12-26 | 2020-07-02 | 李凯 | Method for limiting diffusion of wear debris of in vivo implant |
| 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 |
| CN111938796A (en) * | 2020-08-25 | 2020-11-17 | 龚锡奎 | Simple spinal column revision fusion assembly |
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| US20020032442A1 (en) * | 2000-06-09 | 2002-03-14 | Moti Altarac | Adjustable transverse connector for use with a spinal implant system |
| CN2609513Y (en) * | 2003-01-29 | 2004-04-07 | 邱贵兴 | Spine universal screw device |
| US20050277928A1 (en) * | 2004-06-14 | 2005-12-15 | Boschert Paul F | Spinal implant fixation assembly |
| CN2788753Y (en) * | 2005-05-31 | 2006-06-21 | 杨立群 | Universal spinal column internal fixing system |
| CN103598909A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Posterior spinal fixation instrument |
| 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020032442A1 (en) * | 2000-06-09 | 2002-03-14 | Moti Altarac | Adjustable transverse connector for use with a spinal implant system |
| CN2609513Y (en) * | 2003-01-29 | 2004-04-07 | 邱贵兴 | Spine universal screw device |
| US20050277928A1 (en) * | 2004-06-14 | 2005-12-15 | Boschert Paul F | Spinal implant fixation assembly |
| CN2788753Y (en) * | 2005-05-31 | 2006-06-21 | 杨立群 | Universal spinal column internal fixing system |
| CN103598909A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Posterior spinal fixation instrument |
| CN203815557U (en) * | 2014-03-28 | 2014-09-10 | 山东省千佛山医院 | Spine fixing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135088A1 (en) * | 2018-12-26 | 2020-07-02 | 李凯 | Method for limiting diffusion of wear debris of in vivo implant |
| 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 |
| CN111938796A (en) * | 2020-08-25 | 2020-11-17 | 龚锡奎 | Simple spinal column revision fusion assembly |
| CN111938796B (en) * | 2020-08-25 | 2023-01-31 | 龚锡奎 | Simple spinal column revision fusion assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105055007B (en) | 2018-10-12 |
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