CN105266877A - Spinal column vertebral plate open-door fixing system - Google Patents
Spinal column vertebral plate open-door fixing system Download PDFInfo
- Publication number
- CN105266877A CN105266877A CN201510838448.5A CN201510838448A CN105266877A CN 105266877 A CN105266877 A CN 105266877A CN 201510838448 A CN201510838448 A CN 201510838448A CN 105266877 A CN105266877 A CN 105266877A
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- Prior art keywords
- main body
- stiff end
- bone nail
- fixing end
- spinal
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 78
- 238000011161 development Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000010079 rubber tapping Methods 0.000 claims abstract description 10
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 9
- 241000565675 Oncomelania Species 0.000 claims description 8
- 210000001215 vagina Anatomy 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000004696 Poly ether ether ketone Substances 0.000 abstract 1
- 229920002530 polyetherether ketone Polymers 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000002684 laminectomy Methods 0.000 description 2
- 206010020880 Hypertrophy Diseases 0.000 description 1
- 206010028372 Muscular weakness Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 208000012287 Prolapse Diseases 0.000 description 1
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 210000004749 ligamentum flavum Anatomy 0.000 description 1
- 210000004446 longitudinal ligament Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036473 myasthenia Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 208000005198 spinal stenosis Diseases 0.000 description 1
- 208000005801 spondylosis Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, 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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7071—Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; 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
- A61B2017/00004—(bio)absorbable, (bio)resorbable or resorptive
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a spinal column vertebral plate open-door fixing system. The spinal column vertebral plate open-door fixing system comprises a fixing plate body, a development needle, a short bone nail and a long bone nail, wherein the fixing plate body is a Z-shaped structure integrally and comprises an upper body fixing end and a lower body fixing end, the upper body fixing end is provided with an upper body fixing end vertical through hole, the lower body fixing end is provided with a lower body fixing end transverse through hole, a hollow sinking bone grafting groove is between the upper body fixing end and the lower body fixing end, the development needle is inserted into the hollow sinking bone grafting groove of the fixing plate body, and the short bone nail and the long bone nail are respectively provided with a short bone nail thread starting point self-tapping cutting edge and a long bone nail thread starting point self-tapping cutting edge. The system is convenient and simple for bone grafting, is simple to operate and is practical, reliable, safe and effective, spinal canal expansion can be instantly realized during operation to protect the back structure, and door re-closing after single open-door spinal canal expansion laminoplasty is prevented. A polyether ether ketone material is selected, so excellent biological compatibility, small side effect and good long-term effect are realized.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of spinal lamina enabling fixed system.
Background technology
Human spine's canalis spinalis due to various factors as developmental spinal stenosis, cervical spondylosis, prolapse of cervical intervertebral disc, posterior longitudinal ligament bone China disease, hypertrophy of ligamentum flavum etc. often can cause spinal canal stenosis; compressing spinal cord causes the symptoms such as axial pain, limbs pain are numb, myasthenia is even paralysed, and seriously affects people's daily life.For above-mentioned disease, employing vertebral plate enabling plasty is the effective ways of conventional expansion canalis spinalis.Wherein single open-door laminoplasty is laminoplasty comparatively general at present, and current vertebral plate enabling fixed system has been widely used in the reconstruction of vertebral plate in vertebral plate enabling plasty, and it can expand canalis spinalis, an overfill protection rear structure.
The spinal lamina enabling fixed system of prior art is different, and later stage long-range effect is also variant, and various vertebral plate enabling fixed system respectively has feature.Mostly only consider that vertebral plate is opened rear connecting plate and fixed vertebral plate side and lateral mass side to realize expansion canalis spinalis, but be not enough to real vertebral plate rebuild, row vertebral plate is opened the door postoperative, permanent breach is there is between vertebral plate and lateral mass, without the connection of growing into of autologous bone, only inner fixedly doing connects, and there is the risk loosened.And current existing fixed system choosing at material, whole-colored is medical titanium alloy, there is stress shielding after implant into body, and produces the defects such as artifact effects clinical observation when CT and MR checks.Therefore design and aly have bone grafting function, physical material performance is close to human body bone, and biocompatibility is good, and X-ray transparent vertebral plate enabling fixed system, to improving the therapeutic effect of vertebral plate enabling art and keeping the seriality of spinal lamina significant.
Summary of the invention
Because the above-mentioned defect of prior art; technical problem to be solved by this invention is to provide a kind of spinal lamina enabling fixed system; this system not only possesses effective expansion canalis spinalis and protects the structure at rear, simply can also complete bone grafting, realizes real vertebral plate and rebuilds.The main body of this system uses elastic modelling quantity closest to cortical bone, and all very excellent medical embedded stage polyetheretherketoneresin (PEEK) material of physical property and biocompatibility is made, then is aided with the medical titanium silk with developing function, to facilitate clinical follow.
For achieving the above object, the invention provides a kind of spinal lamina enabling fixed system, it is characterized in that: comprise fixing head main body, development needle, short bone is followed closely, long bone is followed closely, described fixing head entire body is a class " Z " shape, to be divided in main body stiff end under stiff end and main body, described main body stiff end is provided with the in line through hole of stiff end in main body, under described main body, stiff end is provided with the horizontally-arranged through hole of stiff end under main body, connecting in main body is a sinking hollow bone grafting groove between stiff end under stiff end and main body, described development needle is implanted in the sinking hollow bone grafting groove top side of fixing head main body, described short bone nail, long bone nails on and is respectively arranged with short bone oncomelania stricture of vagina section start self tapping cutting edge and long bone oncomelania stricture of vagina section start self tapping cutting edge.
Further, in described main body, under stiff end and main body, stiff end is respectively spinal lamina side stiff end and spinal column lateral mass side stiff end.
Further, described fixing head main body and short bone nail, long bone nail adopt medical embedded stage polyetheretherketoneresin (PEEK) material to make.
Further, described development needle adopts medical titanium to make.
Further, described sinking hollow bone grafting groove top hollows out, and stiff end end face gentle transition under stiff end, main body in top planes and main body, bottom lower floor protrudes, and two open ends designs.
Further, described development needle is one.
Further, described short bone nail, long bone nail all adopt different length specifications, and short bone nail coordinates with the in line through hole of stiff end in main body, and long bone nail coordinates with the horizontally-arranged through hole of stiff end under main body.
The invention has the beneficial effects as follows:
1, the present invention is in material selection, because polyetheretherketonematerials materials has good ductility, makes it add pressure at nail and to fit better surface of bone, design bone grafting groove can more convenient, simply complete bone grafting, operation technique is simple and practical, reliable, safe, effective.
2, the present invention rises and immediately expands canalis spinalis, protection rear structure in art, and makes vertebral plate realize real reconstruction, and laminoplasty is postoperative closes the door again effectively to prevent open-door laminoplasty from expanding, the vertebral plate lifted obtain at once stable while, can vertebral canal volume be recovered.
3, the polyetheretherketonematerials materials that the present invention adopts has excellent biocompatibility, and with human body without rejection, postoperative minimizing side effect, long-term effect is good.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is spinal lamina enabling fixed system axonometric chart of the present invention.
Fig. 2 is spinal lamina enabling fixed system front view of the present invention.
Fig. 3 is fixing head main body axonometric chart of the present invention.
Fig. 4 is short bone of the present invention nail front view.
Fig. 5 is long bone of the present invention nail front view.
In figure, 1---fixing head main body, 2---development needle, 3---short bone is followed closely, 4---long bone is followed closely, 5---stiff end in main body, 6---stiff end under main body, 7---sinking hollow bone grafting groove, 8---the in line through hole of stiff end in main body, 9---the horizontally-arranged through hole of stiff end under main body, 3-1---short bone oncomelania stricture of vagina section start self tapping cutting edge, 4-1---long bone oncomelania stricture of vagina section start self tapping cutting edge.
Detailed description of the invention
As Figure 1-5, a kind of spinal lamina enabling fixed system, it is characterized in that: comprise fixing head main body 1, development needle 2, short bone nail 3, long bone nail 4, described fixing head main body 1 entirety is a class " Z " shape, to be divided in main body stiff end 6 under stiff end 5 and main body, stiff end 5 is provided with described main body the in line through hole 8 of stiff end in main body, under described main body, stiff end 6 is provided with the horizontally-arranged through hole 9 of stiff end under main body, connecting in main body is a sinking hollow bone grafting groove 7 between stiff end 6 under stiff end 5 and main body, described development needle 2 is implanted in the sinking hollow bone grafting groove 7 top side of fixing head main body 1, described short bone nail 3, long bone nail 4 is respectively arranged with short bone oncomelania stricture of vagina section start self tapping cutting edge 3-1 and long bone oncomelania stricture of vagina section start self tapping cutting edge 4-1.
In the present embodiment, in described main body, under stiff end 5 and main body, stiff end 6 is respectively spinal lamina side stiff end and spinal column lateral mass side stiff end.
In the present embodiment, described fixing head main body 1 and short bone nail 3, long bone nail 4 adopt medical embedded stage polyetheretherketoneresin (PEEK) material to make.
In the present embodiment, described development needle 2 adopts medical titanium to make.
In the present embodiment, described sinking hollow bone grafting groove 7 top hollows out, and stiff end 6 end face gentle transition under stiff end 5, main body in top planes and main body, bottom lower floor protrudes, and two open ends designs.
In the present embodiment, described development needle 2 is one.
In the present embodiment, described short bone nail 3, long bone nail 4 all adopt different length specifications, and short bone nail 3 coordinates with the in line through hole 8 of stiff end in main body, and long bone nail 4 coordinates with the horizontally-arranged through hole 9 of stiff end under main body.
The using method of this spinal lamina enabling fixed system is: appear spinal lamina through the way of escape, first determines Laminectomy side and hinge side, the preparation of first hinge side: only stay spongy bone and internal layer cortex, forms bone groove; Laminectomy side prepares: upwards, to door-hinge side progressively lifted by the vertebral plate of incision, forms " enabling " until canalis spinalis is extended to satisfaction, determines required main body specification, then select the fixing head main body 1 of suitable length; With sinking hollow bone grafting groove 7 in fixing head main body 1, bone grafting is convenient, simple and direct, places autologous bone or artificial bone in the hollow that sinks in advance bone grafting groove 7.Stiff end under main body 6 is placed in the lateral mass of incision on the surface, be placed on the vertebral plate of incision by stiff end in main body 5, after fixing head main body 1 is located, to aim in the main body in fixing head main body 1 the horizontally-arranged through hole 9 of stiff end under the in line through hole of stiff end 8 and main body to punch on surface of bone, choose the nail of suitable length, be screwed into the horizontally-arranged through hole 9 of stiff end under the in line through hole of stiff end in main body 8 and main body, fixing head main body 1 is fixed on vertebral plate and lateral mass, completes fixing.So far, then the implantation of this spinal lamina formation system is completed.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (7)
1. a spinal lamina enabling fixed system, it is characterized in that: comprise fixing head main body (1), development needle (2), short bone nail (3), long bone nail (4), described fixing head main body (1) entirety is a class " Z " shape, be divided into stiff end (6) under stiff end in main body (5) and main body, stiff end (5) is provided with the in line through hole of stiff end in main body (8) to described main body, under described main body, stiff end (6) is provided with the horizontally-arranged through hole of stiff end (9) under main body, connecting in main body is sinking hollow bone grafting groove (7) between stiff end (6) under stiff end (5) and main body, described development needle (2) is implanted in sinking hollow bone grafting groove (7) the top side of fixing head main body (1), described short bone nail (3), long bone nail (4) is respectively arranged with short bone oncomelania stricture of vagina section start self tapping cutting edge (3-1) and long bone oncomelania stricture of vagina section start self tapping cutting edge (4-1).
2. a kind of spinal lamina enabling fixed system as claimed in claim 1, is characterized in that: in described main body, under stiff end (5) and main body, stiff end (6) is respectively spinal lamina side stiff end and spinal column lateral mass side stiff end.
3. a kind of spinal lamina enabling fixed system as claimed in claim 1, is characterized in that: described fixing head main body (1) and short bone nail (3), long bone nail (4) adopt medical embedded stage polyetheretherketoneresin (PEEK) material to make.
4. a kind of spinal lamina enabling fixed system as claimed in claim 1, is characterized in that: described development needle (2) adopts medical titanium to make.
5. a kind of spinal lamina enabling fixed system as claimed in claim 1, it is characterized in that: described sinking hollow bone grafting groove (7) top hollows out, stiff end (6) end face gentle transition under stiff end (5), main body in top planes and main body, bottom lower floor protrudes, and two open ends designs.
6. a kind of spinal lamina enabling fixed system as claimed in claim 1, is characterized in that: described development needle (2) is one.
7. a kind of spinal lamina enabling fixed system as claimed in claim 1, it is characterized in that: described short bone nail (3), long bone nail (4) all adopt different length specifications, short bone nail (3) coordinates with the in line through hole of stiff end in main body (8), and long bone nail (4) coordinates with the horizontally-arranged through hole of stiff end under main body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510838448.5A CN105266877A (en) | 2015-11-26 | 2015-11-26 | Spinal column vertebral plate open-door fixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510838448.5A CN105266877A (en) | 2015-11-26 | 2015-11-26 | Spinal column vertebral plate open-door fixing system |
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| Publication Number | Publication Date |
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| CN105266877A true CN105266877A (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510838448.5A Pending CN105266877A (en) | 2015-11-26 | 2015-11-26 | Spinal column vertebral plate open-door fixing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693170A (en) * | 2017-09-30 | 2018-02-16 | 北京爱康宜诚医疗器材有限公司 | Vertebral plate prosthese |
| CN108606830A (en) * | 2016-12-12 | 2018-10-02 | 创生医疗器械（中国）有限公司 | A kind of posterior cervical laminoplasty system |
| KR20210012912A (en) * | 2019-07-24 | 2021-02-03 | (주)시지바이오 | Spacer for laminoplasty |
| CN115998399A (en) * | 2023-03-16 | 2023-04-25 | 暨南大学 | Vertebral plate fixing device for cervical vertebra door opening and anti-falling nails |
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| CN103860245A (en) * | 2014-03-22 | 2014-06-18 | 常州市康辉医疗器械有限公司 | Anti-withdrawing stable cervical vertebra posterior single-opening door sheet nailing system |
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| CN108606830A (en) * | 2016-12-12 | 2018-10-02 | 创生医疗器械（中国）有限公司 | A kind of posterior cervical laminoplasty system |
| CN107693170A (en) * | 2017-09-30 | 2018-02-16 | 北京爱康宜诚医疗器材有限公司 | Vertebral plate prosthese |
| KR20210012912A (en) * | 2019-07-24 | 2021-02-03 | (주)시지바이오 | Spacer for laminoplasty |
| KR102586740B1 (en) | 2019-07-24 | 2023-10-10 | (주)시지바이오 | Spacer for laminoplasty |
| CN115998399A (en) * | 2023-03-16 | 2023-04-25 | 暨南大学 | Vertebral plate fixing device for cervical vertebra door opening and anti-falling nails |
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