CN106821477B - The biological clad steel plate of cervical vertebra - Google Patents
The biological clad steel plate of cervical vertebra Download PDFInfo
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- CN106821477B CN106821477B CN201710162513.6A CN201710162513A CN106821477B CN 106821477 B CN106821477 B CN 106821477B CN 201710162513 A CN201710162513 A CN 201710162513A CN 106821477 B CN106821477 B CN 106821477B
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- steel plate
- fixation steel
- biological
- backing plate
- cervical vertebra
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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
- A61B17/7059—Cortical plates
-
- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8028—Cushions, i.e. elements forming interface between bone plate and bone
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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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
Abstract
The present invention relates to a kind of biological clad steel plates of cervical vertebra, the clad steel plate includes fixation steel plate, backing plate, the fixation steel plate is equipped with fixation steel plate main body, nail hole, form, locking device, locking device slot, card hole, the quadrangle of every segment steel plate is arranged in the nail hole, the middle part of every segment steel plate is arranged in the form, the locking device slot is arranged in nail hole side, the locking device is arranged in locking device slot, the card hole is arranged at fixation steel plate back body edge, the backing plate is equipped with backing plate main body, placing groove, fixture block, form, the middle part of every segment steel plate is arranged in the form, groove edge is being placed in the fixture block setting, the fixation steel plate is arranged in placing groove.The advantage is that solving single or two neighboring intervertenral space neck marrow compressing, restore cervical vertebra normal physiological curvature；It avoids multi-segmental from merging, wound is reduced, without sacrificing normal intervertenral space；Using resorbable material, material degradation in postoperative 1 year is conducive to the prognosis of patient's long term.
Description
Technical field
The present invention relates to the field of medical instrument technology, specifically, being a kind of biological clad steel plate of cervical vertebra.
Background technique
Currently, clinically common anterior cervical vertebrae pegboard systems are Skyline anterior cervical vertebrae fixed systems, which is applicable in
In mono cortex screw in vertebral body fixation made above, to stablize C2 to the segment C7 cervical vertebra.Specific clinical indication includes: 1,
It is unstable as caused by wound；2, relevant unstable to cervical lordosis and cervical kyphosis reparation；3, with previous cervical vertebra hand
It is relevant unstable that art is unsuccessfully formed by pseudarthrosis；4, the large size carried out with treatment primary tumo(u)r and metastatic malignant tumour
Reconstruction operation is relevant unstable；It 5, and is treatment advanced stage Degenerative disc disease, spinal canal stenosis and myeloid form cervical vertebra
The single segmental or multi-segmental vertebral resection that disease is carried out are relevant unstable.
But in face of the prominent trouble for merging cervical curvature and straightening even contrary flexure of single or two neighboring intervertebral disc of cervical vertebra
Person, the selection of fusion surgery segment are always the presence of dispute.If releasing the front compressing of single segment cervical spinal merely,
After do the fixed fusion in front, then solutions that improve is difficult to the problem of cervical curvature, research confirmation cervical curvature straightens very
To the patient of contrary flexure, intervertebral mobility is significantly reduced and is reallocated, while the Minor articulus of Cervical vertebra, unciform process joint, intervertebral
Disk stress is concentrated, and torsional buckling state occurs, forms cervical spine instabily, accelerates cervical spine degeneration；If raw in order to restore normal cervical vertebra
It manages curvature and increases Fusion levels, can not only sacrifice more normal cervical intervertebral dish structure, increase wound, and because fusion section
The increase of section, also changes the stress distribution of entire cervical vertebra, Fusion levels adjacent interspinous gap, Minor articulus, hook to a certain extent
Tip out festival-gathering adds the risk factor for accelerating regression because stress is concentrated, and increases the incidence of adjacent vertebra disease, Fusion levels
More fusion rates can also decline, and be unfavorable for the prognosis at a specified future date of patient.
In addition, a kind of absorbability anterior cervical vertebrae pegboard systems, maintain bone block with respect to position for Cervical anterior fusion operation
It sets, steel plate screw used, by local absorption, reduces traditional nail-plate fixed system loose shift generally in 1-2, stress hides
The incidence of gear and iconography interference, and swelling, dysphagia will not be generated because nail-plate is degraded, biomethanics with higher
Stablize and learns and be worth bone fusion rate.But its degradable Inion S-1 time for needing 2-4, clinically appliedTMAnterior cervical vertebrae
The indication of pegboard systems is often confined to single or two intervertenral spaces fixation.Therefore, it still not can solve single or adjacent
The prominent double-barreled question for merging cervical curvature and straightening even contrary flexure patient of two intervertebral disc of cervical vertebra.
Chinese utility model patent CN201520303069.1, authorized announcement date 2015.11.18 disclose a kind of neck
The road Zhui Qian Combined steel plate.But this anterior cervical vertebrae Combined steel plate is only that can control steel plate width by combination, it can not
Play the role of clad steel plate of the present invention.
Therefore, need one kind can be used in single or two neighboring Cervical Disk Herniation merge cervical curvature straighten it is even anti-
The fixed steel plate of bent anterior cervical vertebrae, and had not been reported at present about this steel plate.
Summary of the invention
The purpose of the present invention is aiming at the shortcomings in the prior art, provide a kind of biological clad steel plate of cervical vertebra.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of biological clad steel plate of cervical vertebra, the clad steel plate include fixation steel plate, backing plate, the fixation steel plate,
Backing plate is plate, and the fixation steel plate is equipped with fixation steel plate main body, nail hole, form, locking device, locking device slot, card hole,
The quadrangle of every segment steel plate is arranged in the nail hole, and the middle part of every segment steel plate, the locking dress is arranged in the form
Slot setting is set in nail hole side, in locking device slot, the card hole is arranged after fixation steel plate main body for the locking device setting
Portion edge, the backing plate are equipped with backing plate main body, placing groove, fixture block, form, and the form is arranged in every segment steel plate
Portion, the fixture block setting are being placed groove edge, are being corresponded with card hole, the fixation steel plate is arranged in placing groove.
The placing groove is hollow.
The backing plate is additionally provided with nail hole, and the quadrangle of every segment steel plate is arranged in the nail hole.
The fixation steel plate material is metal.
The backing plate material is biological absorbable material.
The biological absorbable material is memory material.
The backing plate is in arc-shaped.
The metal is composite alloy metal, including titanium alloy.
The biological absorbable material is selected from one kind of D-lactic acid, meso lactic acid.
The fixation steel plate is single-segment fixation steel plate, and the placing groove of the backing plate is the placement of single-segment fixation steel plate
Slot.
The fixation steel plate is binodal section fixation steel plate, and the placing groove of the backing plate is the placement of binodal section fixation steel plate
Slot.
The invention has the advantages that:
1, while completing the prominent thoroughly decompression of single or two neighboring intervertebral disc of cervical vertebra and fixed front, cervical vertebra is added
Biological clad steel plate, to restore cervical vertebra normal physiological curvature；
2, it avoids the multi-segmental done in the past because restoring cervical curvature from merging, reduces neighbouring centrum and accelerate regression
Risk factor reduces wound, without sacrificing the normal intervertenral space for being not up to surgical indication.
3, backing plate uses absorbable material, can degrade substantially in postoperative 1 year, to farthest protect patients with cervical
Movable independence is conducive to patient's long term prognosis；
4, configuration flexibly, can select steel plate combination according to fixed-segment；
5, after backing plate is absorbed, fixation steel plate still plays fixed function；
Detailed description of the invention
Attached drawing 1 is the top view of the first fixation steel plate of the invention.
Attached drawing 2 is the bottom view of the first fixation steel plate of the invention.
Attached drawing 3 is the top view of the first backing plate of the invention.
Attached drawing 4 is the perspective view after the first backing plate pre-bending of the invention.
Attached drawing 5 is the side view after the first backing plate pre-bending of the invention.
Attached drawing 6 is the installation diagram of the biological clad steel plate of the first cervical vertebra of the invention.
Attached drawing 7 is the using process diagram of the biological clad steel plate of the first cervical vertebra of the invention.
Attached drawing 8 is the top view of the other forms of the first backing plate of the invention.
Attached drawing 9 is the top view of second of fixation steel plate of the invention.
Attached drawing 10 is the bottom view of second of fixation steel plate of the invention.
Attached drawing 11 is the top view of second of backing plate of the invention.
Attached drawing 12 is the top view of the other forms of second of backing plate of the invention.
Attached drawing 13 is the top view of the third backing plate of the invention.
Attached drawing 14 is the top view of the 4th kind of backing plate of the invention
Attached drawing 15 is the top view of the 4th kind of fixation steel plate of the invention
Attached drawing 16 is the bottom view of the 4th kind of fixation steel plate of the invention.
Attached drawing 17 is the top view of the 5th kind of backing plate of the invention.
Attached drawing 18 is the using process diagram of the 5th kind of biological clad steel plate of cervical vertebra of the invention.
Specific embodiment
It elaborates with reference to the accompanying drawing to specific embodiment provided by the invention.
Appended drawing reference involved in attached drawing and component part are as follows:
1. 2. backing plate of fixation steel plate
11. 12. nail hole of fixation steel plate main body
13. 14. locking device of form
15. 16. card hole of locking device slot
21. 22. placing groove of backing plate main body
23. 24. nail hole of fixture block
25. form
Embodiment 1
The biological clad steel plate of the first cervical vertebra of the invention, as shown in Figure 1, the clad steel plate include fixation steel plate 1,
Backing plate 2, the fixation steel plate 1, backing plate 2 are plate, and as shown in Figure 2,3, the fixation steel plate 1 is equipped with fixation steel plate main body
11, nail hole 12, form 13, locking device 14, locking device slot 15, card hole 16, the fixation steel plate 1 are single-segment fixation steel
Plate, the fixation steel plate main body 11 are in butterfly, and the nail hole 12 is distributed in 1 four jiaos of fixation steel plate main body, the nail hole
12 be 4, and the middle part of fixation steel plate main body 11 is arranged in the form 13, and 12 side of nail hole is provided with locking device
Slot 15, in locking device slot 15, the card hole 16 is arranged in 11 rear edge of fixation steel plate main body for the setting of locking device 14
Place, the card hole has 6, as shown in figure 4, the backing plate 2 be equipped with backing plate main body 21, placing groove 22, fixture block 23, nail hole 24,
Form 25, the backing plate 2 are four segment steel plates, and every segment steel plate is butterfly-shaped, and backing plate 2 is arranged in the placing groove 22
Third segment, the fixture block 23 are arranged at 22 edge of placing groove, and correspond with card hole 16, and the setting of fixation steel plate 1 exists
In placing groove 22, the quadrangle of every segment steel plate is arranged in the nail hole 24, and every segment steel plate is arranged in the form 25
Middle part, 1 material of fixation steel plate are titanium alloy, and 2 material of backing plate is biological absorbable material, including left-handed cream
Acid, meso lactic acid, the placing groove 22 of the backing plate 2 are single-segment fixation steel plate placing groove, the fixation steel plate thickness
For 2.5mm, the plate thickness is 1-2mm.
The application method of the biological clad steel plate of the first cervical vertebra of the invention is, to needing to carry out C5-6 segment surgery
Patient oppresses cervical spinal firstly for C5/6 Cervical Disk Herniation, has been routinely accomplished anterior approach and thoroughly depressurize and intervertebral fusion；So
Pre-bending is carried out to fixation steel plate 1 and backing plate 2 afterwards, the backing plate 2 after pre-bending is as shown in Figure 5,6；Backing plate 2 after pre-bending is meeting human body just
Normal cervical curvature；As shown in fig. 7, the backing plate 2 after pre-bending is fixed on the segment C3-7 using backing plate screw, for correcting neck
The physiological camber of vertebra exception, fixation steel plate 1 is put into placing groove 22, is corresponded fixture block 23 and card hole 16, is then utilized
Fixation steel plate 1 is fixed on the segment C5-6 by fixation steel plate screw, and locking device 14 is rotated, and being locked steel plate screw and is allowed to
It does not move, backing plate 2 and backing plate screw are absorbed after postoperative three months, and remaining fixation steel plate 1 is still secured to C5-6 section
Section, plays fixed function.
There are also other forms for the backing plate of the biological clad steel plate of the first cervical vertebra of the invention, referring to Fig. 8, putting on backing plate
Setting groove location can according to need any position that backing plate is arranged in.
The advantages of cervical vertebra of the invention biological clad steel plate, is that single or two neighboring intervertebral disc of cervical vertebra is prominent completing
While thoroughly decompression and front are fixed out, the biological clad steel plate of cervical vertebra is added, to restore cervical vertebra normal physiological curvature；Backing plate
It using absorbable material, can degrade within postoperative three months, to farthest protect the movable independence of patients with cervical, have substantially
Conducive to patient's long term prognosis；Configuration flexibly, can select steel plate combination according to fixed-segment；After backing plate is absorbed, fixation steel plate
Still play fixed function；It avoids the multi-segmental done in the past because restoring cervical curvature from merging, reduces neighbouring centrum and accelerate
The risk factor of regression reduces wound, without sacrificing the normal intervertenral space for being not up to surgical indication.
Embodiment 2
The biological clad steel plate of second of cervical vertebra of the invention, the clad steel plate include fixation steel plate 1, backing plate 2, described
Fixation steel plate 1, backing plate 2 be plate, as shown in Figures 9 and 10, the fixation steel plate 1 be equipped with fixation steel plate main body 11, nail hole
12, form 13, locking device 14, locking device slot 15, card hole 16, the fixation steel plate 1 is binodal section fixation steel plate, described
Fixation steel plate main body 11 be in butterfly, the nail hole 12 is distributed in 1 four jiaos of fixation steel plate main body, and the nail hole 12 is 6,
The middle part of every segment steel plate is arranged in the form 13, and 12 side of nail hole is provided with locking device slot 15, the lock
The tight setting of device 14 is in locking device slot 15, and the card hole 16 is arranged at 11 rear edge of fixation steel plate main body, the card
Hole has 6, and as shown in figure 11, the backing plate 2 is equipped with backing plate main body 21, placing groove 22, fixture block 23, nail hole 24, form 25, described
Backing plate 2 be four segment steel plates, every segment steel plate is butterfly-shaped, second and third section of backing plate 2 is arranged in the placing groove 22
Section, the fixture block 23 are arranged at 22 edge of placing groove, and correspond with card hole 16, and the fixation steel plate 1 is arranged in placing groove
In 22, the quadrangle of every segment steel plate is arranged in the nail hole 24, and the middle part of every segment steel plate, institute is arranged in the form 25
1 material of fixation steel plate stated is composite alloy metal, and 2 material of backing plate is biological absorbable material, including left-handed cream
Acid, meso lactic acid, the placing groove 22 of the backing plate 2 are single-segment fixation steel plate placing groove, the fixation steel plate thickness
For 2.5mm, the plate thickness is 1-2mm.
The application method of the biological clad steel plate of second of cervical vertebra of the invention is, to needing to carry out C4-6 segment surgery
Patient, first to C4/5, C5/6 Cervical Disk Herniation oppress cervical spinal, have been routinely accomplished anterior approach thoroughly depressurize and centrum between melt
It closes；Then pre-bending is carried out to fixation steel plate 1 and backing plate 2；Backing plate 2 after pre-bending meets human normal cervical curvature；It utilizes
Backing plate 2 after pre-bending is fixed on the segment C3-7 by backing plate screw, and fixation steel plate 1 is put into placing groove 22, makes fixture block 23 and card
Hole 16 corresponds, and fixation steel plate 1 is then fixed on the segment C4-6 using fixation steel plate screw, locking device 14 is rotated,
It is locked and steel plate screw and is allowed to not move, backing plate 2 and backing plate screw are absorbed after postoperative three months, remaining fixation
Steel plate 1 is still secured to the segment C4-6, plays fixed function.
Embodiment 3
The biological clad steel plate of the third cervical vertebra of the invention, referring to Fig.1 3, the difference from embodiment 1 is that: backing plate 2 does not have
There is nail hole 24, the material of backing plate 2 is memory material.
The application method of the biological clad steel plate of the third cervical vertebra of the invention is, to needing to carry out C5-6 segment surgery
Patient oppresses cervical spinal firstly for C5/6 Cervical Disk Herniation, has been routinely accomplished anterior approach and thoroughly depressurize and intervertebral fusion；So
Pre-bending is carried out to fixation steel plate 1 afterwards；Backing plate 2 belongs to memory material, and (before entering high-temperature water, the radian of backing plate 2 meets human normal
Cervical curvature enters after high-temperature water in 5 minutes, and backing plate can be by rigid moulding, after 30 minutes, and backing plate can voluntarily restore to rectifying
Radian before shape), it puts it into and is impregnated in high-temperature water 5 minutes, it is then that radian is orthopedic to the cervical curvature for meeting patient at that time；It will
Fixation steel plate 1 is put into placing groove 22, is corresponded fixture block 23 and card hole 16, is then utilized fixation steel plate screw by steel plate 1
It is fixed on the segment C5-6, locking device 14 is rotated, being locked steel plate screw and is allowed to not move.Then observe backing plate
2 slowly restore to the radian before moulding, restore patient's normal physiological curvature, last successively to close notch.Postoperative 1 year or so
Backing plate 2 is absorbed, and remaining fixation steel plate 1 is still secured to the segment C5-6, plays fixed function.
Advantage of this embodiment is that backing plate 2 does not set nail hole 24, avoid having the destruction of cervical vertebra anterior longitudinal ligament integrality
Conducive to stability, the improvement patient's long term prognosis for keeping cervical vertebra；Completing, single or two neighboring intervertebral disc of cervical vertebra is prominent
While thoroughly decompression and front are fixed, the biological clad steel plate of cervical vertebra is added, to restore cervical vertebra normal physiological curvature；Backing plate is adopted
It with absorbable material, can degrade within postoperative 1 year, to farthest protect the movable independence of patients with cervical, be conducive to substantially
Patient's long term prognosis；Configuration flexibly, can select steel plate combination according to fixed-segment；After backing plate is absorbed, fixation steel plate is still risen
To fixed function；It avoids the multi-segmental done in the past because restoring cervical curvature from merging, reduces neighbouring centrum and accelerate regression
Risk factor, reduce wound, without sacrifice be not up to surgical indication normal intervertenral space.
Embodiment 4
The 4th kind of biological clad steel plate of cervical vertebra of the invention, 4-16 referring to Fig.1, the difference from embodiment 1 is that: it is described
The placing groove 22 of backing plate 2 be that hollow, described fixation steel plate 1 can be completely embedded into backing plate 2, i.e., the bottom of fixation steel plate 1 with
The bottom of backing plate 2 is in same level.
The application method of the 4th kind of biological clad steel plate of cervical vertebra of the invention is, to needing to carry out C5-6 segment surgery
Patient oppresses cervical spinal firstly for C5/6 Cervical Disk Herniation, has been routinely accomplished anterior approach and thoroughly depressurize and intervertebral fusion；So
Pre-bending is carried out to fixation steel plate 1 and backing plate 2 afterwards；Backing plate 2 after pre-bending meets human normal cervical curvature；Utilize backing plate spiral shell
Backing plate 2 after pre-bending is fixed on the segment C3-7 by nail, and for correcting the physiological camber of cervical vertebra exception, fixation steel plate 1 is put into
It sets in slot 22, corresponds fixture block 23 and card hole 16, fixation steel plate 1 is then fixed on C5-6 using fixation steel plate screw and is saved
Section, locking device 14 is rotated, and being locked steel plate screw and is allowed to not move, backing plate 2 and backing plate after postoperative three months
Screw is absorbed, and remaining fixation steel plate 1 is still secured to the segment C5-6, plays fixed function.
Advantage of this embodiment is that since the placing groove 22 of backing plate 2 is hollow, the insertion placing groove 22 of fixation steel plate 1
Afterwards, the bottom of fixation steel plate 1 and the bottom of backing plate 2 are in same level, can be bonded patients with cervical completely, absorb to backing plate 2
Afterwards, fixation steel plate 1 is bonded with cervical vertebra, is not interspaced, in case fixation steel plate 1 loosens, displacement.
Embodiment 5
The 5th kind of biological clad steel plate of cervical vertebra of the invention, referring to Fig.1 7, the difference with embodiment 3 is only that: backing plate 2
21 width of backing plate main body be less than placing groove 22 width, backing plate 2 be in the strip with flank, backing plate 2 be in arc-shaped, backing plate 2
It is made of memory material.
The application method of the 5th kind of biological clad steel plate of cervical vertebra of the invention is, referring to Fig.1 8, to needing to carry out C5-6
The patient of segment surgery oppresses cervical spinal firstly for C5/6 Cervical Disk Herniation, has been routinely accomplished anterior approach and thoroughly depressurize and vertebra
It is merged between body；Then pre-bending is carried out to fixation steel plate 1；Backing plate 2 belongs to memory material, and (before entering high-temperature water, the radian of backing plate 2 is accorded with
Human normal cervical curvature is closed, is entered after high-temperature water in 5 minutes, backing plate can be by rigid moulding, after 30 minutes, and backing plate can be from
Row restores to orthopedic preceding radian), it puts it into and impregnates 5 minutes in high-temperature water, it is then that radian is orthopedic to meeting patient's at that time
Cervical curvature；Fixation steel plate 1 is put into placing groove 22, fixture block 23 and card hole 16 is corresponded, then utilizes fixation steel plate
Steel plate 1 is fixed on the segment C5-6 by screw, and locking device 14 is rotated, and being locked steel plate screw and is allowed to not move.
Then observation backing plate 2 slowly restores to the radian before moulding, restores patient's normal physiological curvature, last successively to close notch.
Backing plate 2 is absorbed within postoperative 1 year or so, and remaining fixation steel plate 1 is still secured to the segment C5-6, plays fixed function.
Advantage of this embodiment is that backing plate 2 does not set nail hole 24, avoid having the destruction of cervical vertebra anterior longitudinal ligament integrality
Conducive to stability, the improvement patient's long term prognosis for keeping cervical vertebra；Completing, single or two neighboring intervertebral disc of cervical vertebra is prominent
While thoroughly decompression and front are fixed, the biological clad steel plate of cervical vertebra is added, to restore cervical vertebra normal physiological curvature；Backing plate is adopted
It with absorbable material, can degrade within postoperative 1 year, to farthest protect the movable independence of patients with cervical, be conducive to substantially
Patient's long term prognosis；Configuration flexibly, can select steel plate combination according to fixed-segment；After backing plate is absorbed, fixation steel plate is still risen
To fixed function；It avoids the multi-segmental done in the past because restoring cervical curvature from merging, reduces neighbouring centrum and accelerate regression
Risk factor, reduce wound, without sacrifice be not up to surgical indication normal intervertenral space.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of biological clad steel plate of cervical vertebra, which is characterized in that the clad steel plate includes fixation steel plate, backing plate, described
Fixation steel plate, backing plate are plate, and the fixation steel plate is equipped with fixation steel plate main body, nail hole, fixation steel plate form, locking dress
It sets, locking device slot, card hole, the quadrangle of every segment steel plate is arranged in the nail hole, and the fixation steel plate form setting exists
The middle part of every segment steel plate, in nail hole side, the locking device is arranged in locking device slot for the locking device slot setting,
At fixation steel plate back body edge, the backing plate is equipped with backing plate main body, placing groove, fixture block, backing plate form for the card hole setting,
The middle part of every segment steel plate is arranged in the backing plate form, and the fixture block setting is being placed groove edge, corresponded with card hole,
The fixation steel plate is arranged in placing groove.
2. the biological clad steel plate of cervical vertebra according to claim 1, which is characterized in that the placing groove is hollow.
3. the biological clad steel plate of cervical vertebra according to claim 1, which is characterized in that the backing plate is additionally provided with nail hole,
The quadrangle of every segment steel plate is arranged in the nail hole.
4. the biological clad steel plate of cervical vertebra according to claim 1, which is characterized in that the fixation steel plate material is multiple
Close alloying metal.
5. the biological clad steel plate of cervical vertebra according to claim 1, which is characterized in that the backing plate material is biological
Absorbable material.
6. the biological clad steel plate of cervical vertebra according to claim 5, which is characterized in that the biological absorbable material
Selected from one of D-lactic acid, meso lactic acid.
7. the biological clad steel plate of cervical vertebra according to claim 5, which is characterized in that the biological absorbable material
For memory material.
8. the biological clad steel plate of cervical vertebra according to claim 7, which is characterized in that the backing plate is in arc-shaped.
9. -8 any biological clad steel plate of cervical vertebra according to claim 1, which is characterized in that the fixation steel plate is
Single-segment fixation steel plate, the placing groove of the backing plate are single-segment fixation steel plate placing groove.
10. -8 any biological clad steel plate of cervical vertebra according to claim 1, which is characterized in that the fixation steel plate
For binodal section fixation steel plate, the placing groove of the backing plate is binodal section fixation steel plate placing groove.
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| CN201710162513.6A CN106821477B (en) | 2017-03-18 | 2017-03-18 | The biological clad steel plate of cervical vertebra |
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| WO1994017744A1 (en) * | 1993-02-05 | 1994-08-18 | Danek Medical, Inc. | Anterior cervical plating system |
| US6306136B1 (en) * | 1997-07-28 | 2001-10-23 | Dimso (Distribution Medicales Du Sud-Ouest) | Implant, in particular front cervical plate |
| CN1379642A (en) * | 1999-10-13 | 2002-11-13 | Sdgi控股股份有限公司 | Anterior cervical plating system and method |
| US20060293672A1 (en) * | 2002-06-24 | 2006-12-28 | Lanx, Llc | Cervical plate |
| CN101111199A (en) * | 2004-12-06 | 2008-01-23 | 新特斯有限责任公司 | Translational plate with cover blocking system |
| WO2012118846A1 (en) * | 2011-02-28 | 2012-09-07 | Tissue Regeneration Systems, Inc. | Degradable cage for bone fusion |
| US20130325074A1 (en) * | 2012-06-05 | 2013-12-05 | Blackstone Medical, Inc. | Orthopedic devices with a locking mechanism |
| US20140276829A1 (en) * | 2013-03-14 | 2014-09-18 | Innovasis, Inc. | Modular bone fixation plate assembly |
| CN104856748A (en) * | 2015-06-02 | 2015-08-26 | 北京纳通科技集团有限公司 | Spinal fixation device |
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2017
- 2017-03-18 CN CN201710162513.6A patent/CN106821477B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994017744A1 (en) * | 1993-02-05 | 1994-08-18 | Danek Medical, Inc. | Anterior cervical plating system |
| US6306136B1 (en) * | 1997-07-28 | 2001-10-23 | Dimso (Distribution Medicales Du Sud-Ouest) | Implant, in particular front cervical plate |
| CN1379642A (en) * | 1999-10-13 | 2002-11-13 | Sdgi控股股份有限公司 | Anterior cervical plating system and method |
| US20060293672A1 (en) * | 2002-06-24 | 2006-12-28 | Lanx, Llc | Cervical plate |
| CN101111199A (en) * | 2004-12-06 | 2008-01-23 | 新特斯有限责任公司 | Translational plate with cover blocking system |
| WO2012118846A1 (en) * | 2011-02-28 | 2012-09-07 | Tissue Regeneration Systems, Inc. | Degradable cage for bone fusion |
| US20130325074A1 (en) * | 2012-06-05 | 2013-12-05 | Blackstone Medical, Inc. | Orthopedic devices with a locking mechanism |
| US20140276829A1 (en) * | 2013-03-14 | 2014-09-18 | Innovasis, Inc. | Modular bone fixation plate assembly |
| CN104856748A (en) * | 2015-06-02 | 2015-08-26 | 北京纳通科技集团有限公司 | Spinal fixation device |
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| CN106821477A (en) | 2017-06-13 |
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