CN106859756A - Non-fused lumbar vertebrae fixing device - Google Patents
Non-fused lumbar vertebrae fixing device Download PDFInfo
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- CN106859756A CN106859756A CN201710206930.6A CN201710206930A CN106859756A CN 106859756 A CN106859756 A CN 106859756A CN 201710206930 A CN201710206930 A CN 201710206930A CN 106859756 A CN106859756 A CN 106859756A
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- screw
- fixing device
- lumbar vertebrae
- cortex
- lumbar
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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
- A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
- A61B17/7026—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form
- A61B17/7029—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a part that is flexible due to its form the entire longitudinal element being flexible
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7064—Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00862—Material properties elastic or resilient
-
- 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
- A61B2017/00867—Material properties shape memory effect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
A kind of non-fused lumbar vertebrae fixing device that the present invention is provided, it is related to a kind of orthopaedics inner fixing device, specifically related to a kind of non-fused lumbar vertebrae fixing device, including elastic connection rod and the small joints in lumbar spine cortex screw for being arranged at the elastic connection rod two ends, efficiently solve the deficiencies in the prior art, operation wound is small, operating time is short, facilitating operation, low learning cost, few intercurrent disease, practicality are wide, effect is good, is adapted to large-scale promotion application.
Description
Technical field
The present invention relates to a kind of orthopaedics inner fixing device, and in particular to a kind of non-fused lumbar vertebrae fixing device.
Background technology
Aging trend is the stem reality that China's Mainland will face soon, and the big city such as Shanghai has taken the lead in entering old at present
Age is social.Degenerated spine illness is the common disease and frequently-occurring disease of elderly population, and the lumbar vertebrae caused by Lumbar Intervertebral Disc Degeneration is not
Surely, lumbar spinal stenosis usually turns into and has a strong impact on life in patients and increase one of principal element of family and burden on society.
Degenerative lumbar spinal stenosis are due to disc herniation while causing vertebra section to loosen shakiness causes Secondary cases Minor articulus
Hyperplasia, hypertrophy of ligamentum flavum.Cause nerve channel narrow, produce neurothlipsis symptom.Typical clinical manifestation is that pain in the back merges interval
Property walk lamely.It is influenceed normally to walk and take care of oneself, such patient often merges other senile illness, such as osteoporosis of lumbar vertebrae
Disease, vertebral bone pine property fracture, lumbar spondylolisthesis or side slip.The flat back of the body deformity of lumbar vertebrae or lordosis are excessive, degenerative lumbar scoliosis lateral bending.
And effective treatment method of lumbar spinal stenosis is still nerve root canal expansion so far, nerve is loosened, needs to make interbody stabilizer if necessary, is
This target is reached, the method for usually using at present is：Lumbar discectomy, ligamentum flavum excision, the decompression of small decompression by fenestration, semi-vertebral plate
With full state chart decompression.The stability of lumbar vertebrae is compromised due to decompression and discectomy, generally acknowledged stabilization procedure includes at present：
Pedicle screw fixes+interbody fusion.Conventional intervertebral fusion method includes：PILE, TILF, XILF, OILF, AILF etc.,
The difference of various methods is nothing but to carry out intervertebral fusion into intervertenral space and to it from different directions.Decompression plus interbody fusion have
The lumbar instability and the neurothlipsis that solve large quantities of patients of effect, be the generally acknowledged most common effective treatment method of spinal surgery it
One.
But interbody fusion has intrinsic limitation.Fusion levels upper and lower easily causes adjacent vertebra simultaneously, accelerates neighbouring
The regression in stage.Multi-segmental fix fusion after, lumbar vertebrae activity critical constraints, patient bend over wait normal activity cannot complete.Hand
Art wound is big, and surgery cost is expensive, and serious restriction elderly population obtains effectively treatment.
To overcome disadvantage mentioned above, operation wound is reduced, be currently suggested following several operation plans：(1) foramen intervertebrale lens and
MED technology：The technology reaches the decompression of nerve root by mini-invasive incision, overcomes the big shortcoming of operation wound, objective
On also reduce the surgery cost of patient.But aperture mirror technology can not solve problems with：1st, repeatedly had an X-rayed in performing the operation, medical worker
Ray exposure with patient is inevitable, and operation technique system cost is expensive；2nd, the operation can not solve the stability of patient, no
Can waist pain-relieving；3rd, foramen intervertebrale lens are operated under water bath, and deep infection and neuronal edema are also one of shortcoming；4th, medical care people
Member's learning curve is to more long.(2) through the intervertebral fusion technology of passage：Common method has MIS-TILF, theoretically, should
Technology can be issued to intervertenral space decompression, intervertebral fusion and interior fixation with small otch condition.Part gerontal patient can tolerate the hand
Art, its inherent defect：1st, bilateral Multiple insion is needed to perform the operation；2nd, vertebra section fusion institute two adjacent vertebra of band is sick still cannot overcome, and sclerotin is thin
Loose patient is also possible to produce pedicle screw to loosen.(3) non-fusion technology：Non-fusion technology based on spinous process part and vertebral plate part.
Wallis, X-stop, the also ISOBAR based on pedicle screw.The former be implanted between spinous process or vertebral plate it is rigid, semi-rigid or
Person's elasticity device for spreading reaches middle rear pillar and struts, and expands the purpose of canalis spinalis.Its surgical procedure is simple, easy to operate, damages small, fits
Suitable old group.But satisfaction rate is relatively low in actual applications, its reason is mainly most of patients and there is different degrees of osteoporosis,
Mechanics load-carrying ability is low in itself for spinous process.Interspinous space construction is irregular, and individual difference is big, causes dynamically solid between vertebral plate and spinous process
Determine late result not knowing extremely.Although the pedicle screw applied in above-mentioned technology plus fine motion rod are used as the design of fixing device
Vertebra section movable function can partly be retained, but also there is shortcoming：1st, because pedicle screw end cap position is from vertebra
Farther out, the actual activity of postoperative vertebra section is smaller for section instantaneous centre of rotation, almost loses most of spinfunction；2nd, pedicle of vertebral arch screw
Nail technology, it is necessary to peel off paraspinal muscle, operation wound is big extensively.
Therefore invent that a kind of operation wound is small, operating time is short, facilitating operation, low learning cost, few intercurrent disease, practicality
Extensively, the good non-fused lumbar vertebrae fixing device of effect is necessary.
The content of the invention
For above-mentioned problem, the invention provides a kind of non-fused lumbar vertebrae fixing device, to solve prior art
Present in it is not enough, can be completed under minimally invasive or small incision surgery, operating time is short, operation wound is small, surgical technic is easily general
And, and applicability is wide, and the patient of osteoporosis can be helped effectively to be fixed, and can retain the movable function of patient,
Complication and dysfunction are reduced, while can be operated with unilateral or bilateral, it is allowed to which multi-segmental depressurizes and stablizes, with extremely strong reality
With property, it is adapted to popularization and application.
To achieve the above object, the technical scheme taken of the present invention is：
A kind of non-fused lumbar vertebrae fixing device, including elastic connection rod and the lumbar vertebrae for being arranged at the elastic connection rod two ends
Minor articulus cortex screw.
The present invention provide lumbar vertebrae fixing device, it is preferable that the small joints in lumbar spine cortex screw include screw division and with
The connected screw afterbody of screw division, is universal connection between the screw afterbody and the elastic connection rod.
The lumbar vertebrae fixing device that the present invention is provided, it is preferable that the small joints in lumbar spine cortex screw is threaded certainly for tool
Attack cortex screw.
The lumbar vertebrae fixing device that the present invention is provided, it is preferable that the screw division has 1mm with the junction of the screw afterbody
Non-threaded
The lumbar vertebrae fixing device that the present invention is provided, it is preferable that the small joints in lumbar spine cortex screw is the self tapping of double thread
Cortex screw.
The lumbar vertebrae fixing device that the present invention is provided, it is preferable that the screw afterbody plan structure is U-shaped, the U-shaped bottom
It is swingable connection between the screw division, the U-shaped mouth portion inside can be by internal lock nut locking with screw thread.
The lumbar vertebrae fixing device that the present invention is provided, it is preferable that the elastic connection rod includes resilient positioned at middle tool
Elastic portion and the non-resilient portion for being arranged at elastic portion two ends, the Minor articulus cortex screw are connected with the non-resilient portion.
The lumbar vertebrae fixing device that the present invention is provided, it is preferable that the elastic portion is spring.
The lumbar vertebrae fixing device that the present invention is provided, it is preferable that the elastic portion is have resilient hollow stick after engraving
Body.
The lumbar vertebrae fixing device that the present invention is provided, the material of preferably described elastic connection rod is memory metal, the bullet
Property pitman is stretchable and length of original state is most short.
Above-mentioned technical proposal has the following advantages that or beneficial effect：
The small joints in lumbar spine cortex screw that the non-fused lumbar vertebrae fixing device that the present invention is provided is used, can reduce and be implanted into
The export-oriented stripping of the paraspinal muscle in journey, and os integumentale screw and cortex bone contact area are bigger, and fixing intensity is big, for sclerotin
Loose patient can similarly reach effective fixation；Using the design of tapping screw, it is not necessary to additionally punched, facilitate medical care
Personnel insert small joints in lumbar spine cortex screw, reduce maloperation risk；Designed using double thread, resistance is smaller, convenient and strength-saving
Minor articulus cortex screw is inserted, in the case that especially sclerotin is harder, meanwhile, it is capable to help that medical personnel are convenient and strength-saving to be taken
Go out cortex screw, prevent cortex screw from snapping in the situation generation for taking and not going；Screw division has 1mm without spiral shell with the junction of screw afterbody
Line, can be inserted in pad, separate bone and screw afterbody, prevent screw rear impact collision bone, and prevent bone during screw-in
Head cracking, influences fixed effect；Using universal connection and the structure of flexible rod, the movable function of vertebra section, convenient disease can be retained
The life of people；Elastic connection rod is made up of memory metal, and can be stretched and original state length is most short, and patient is non-using this
Fusion fixing device when, elastic connection rod can the stretch bending with the action of patient, help patient realize bend over wait action,
When patient directly plays waist, elastic connection rod can revert to original state in the presence of metal memory, and due to original state
Length is most short, is not in the state that elastic connection rod is compressed, and meets the setting of human body lumbar vertebrae
Brief description of the drawings
By the detailed description done to non-limiting example with reference to the following drawings of reading, the present invention and its feature, outward
Shape and advantage will become more apparent.Identical mark indicates identical part in whole accompanying drawings, not deliberately according to than
Example draws accompanying drawing, it is preferred that emphasis is show purport of the invention.
Fig. 1 is the small joints in lumbar spine cortex spiral shell of the non-fused lumbar vertebrae fixing device that Example 1 and Example 2 of the present invention is provided
Pin structure schematic diagram；
Fig. 2 is the elastic portion schematic diagram of the non-fused lumbar vertebrae fixing device that the embodiment of the present invention 1 is provided；
Fig. 3 is the structural representation of the non-fused lumbar vertebrae fixing device that the embodiment of the present invention 1 is provided；
Fig. 4 is the elastic portion schematic diagram of the non-fused lumbar vertebrae fixing device that the embodiment of the present invention 2 is provided；
Fig. 5 is the structural representation of the non-fused lumbar vertebrae fixing device that the embodiment of the present invention 2 is provided.
Specific embodiment
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings, but not as limit of the invention
It is fixed.
Embodiment 1：
As shown in Figures 1 to 3, the non-fused lumbar vertebrae fixing device that the embodiment of the present invention 1 is provided, including the He of elastic connection rod 1
It is arranged at the small joints in lumbar spine cortex screw 2 at elastic connection rod two ends；The elastic portion 11 of elastic connection rod 1 is spring, and elasticity is even
Take over the baton 1 non-resilient portion 12 be cylindric titanium alloy bar；The screw division 21 of small joints in lumbar spine cortex screw 2 is with double thread
Self tapping cortex screw, the plan structure of the screw afterbody 22 of small joints in lumbar spine cortex screw 2 is U-shaped, and U-shaped mouth portion inside has spiral shell
Line 23 can be by the locking elastic pitman 1 of interior split nut 24；Screw division 21 has 1mm non-threadeds with the junction of screw afterbody 22；
Elastic connection rod 1 is made (such as titanium alloy) for memory metal, and can be stretched and original state length is most short.
Wherein, above-mentioned all materials are titanium alloy material.
The small joints in lumbar spine cortex screw that non-fused lumbar vertebrae fixing device in the embodiment of the present invention 1 is used, can be reduced
The export-oriented stripping of the paraspinal muscle in implantation process, and os integumentale screw and cortex bone contact area are bigger, and fixing intensity is big, right
Effective fixation can be similarly reached in sufferers of osteoporosis face；Using the design of tapping screw, it is not necessary to additionally punched, side
Just medical personnel insert small joints in lumbar spine cortex screw, reduce maloperation risk；Designed using double thread, resistance is smaller, it is convenient
Minor articulus cortex screw is inserted in labour-saving, in the case that especially sclerotin is harder, meanwhile, it is capable to help the convenient province of medical personnel
The taking-up cortex screw of power, prevents cortex screw from snapping in the situation generation for taking and not going；Screw division has with the junction of screw afterbody
1mm non-threadeds, can be inserted in pad, separate bone and screw afterbody, prevent screw rear impact collision bone, and prevent from screwing in
Bone cracking in journey, influences fixed effect；Using universal connection and the structure of flexible rod, carried using the embodiment of the present invention 1
The non-fused lumbar vertebrae fixing device of confession, can retain the movable function of vertebra section, facilitate the life of patient；Elastic connection rod is memory
Metal is made, and can be stretched and original state length is most short, patient when using this non-fused fixing device, elastic connection rod
Can the stretch bending with the action of patient, help patient realize bend over wait action, when patient directly plays waist, elastic connection rod
Original state can be reverted in the presence of metal memory, and be not in elastic connection because original state length is most short
The state that rod is compressed, meets the setting of human body lumbar vertebrae；Using titanium alloy material softer and with memory function, can use
During so that non-fused lumbar vertebrae fixing device is returned to original state, enhances the intensity of non-fused lumbar vertebrae fixing device, prevents
Only non-fused lumbar vertebrae fixing device metal fatigue.
When the non-fused lumbar vertebrae fixing device provided using the present embodiment 1, following steps can be taken (narrow with the vertebra of waist 45
As a example by narrow right side symptom)：
1) patient lies prone, whole anesthesia or local anaesthesia are carried out to patient.
2) focus is positioned, hits exactly slightly biased patient-side and make stringer otch in spinous process and be about 3~4cm, cut back muscle
Film, blunt separation paraspinal muscle, to vertebral plate lateral border；Side Fluoroscopy location (1 time), with special paraspinal muscle retractor, leads to the right
Open paraspinal muscle.
3) Minor articulus cortex screw passage is respectively done from inside to outside by waist 4 and the facet joint of waist 5, with probe conduit wall and length
After degree, 1 piece of cortex screw is respectively inserted, general diameter 5mm or 4.5mm, length 35mm or so, cortex screw rear is universal spiral shell
Mouthful, strutted to upper and lower in the spinous process basal part of 4 waist of waist 5 with special Interspinalis spring, expand the intervertebral sheet separation of waist 45.
4) excision right side ligamentum flavum, appears dural sac, detects the nerve root of waist 5, cuts off the ligament for causing pressure successively along nerve root,
The plump facet joint inboard portion of vertebral plate hyperplasia.Prominent nucleus pulposus cleaning down incision hemostasis are extractd if necessary.
5) detect after the completion of nerve root loosens, adjust the elasticity of processus spinosus prop-open device the Minor articulus cortex screw of 4 waist of waist 5 it
Between place flexible rod one, interior split nut is fixed.
6) after otch places drainage, lumbodorsal fascia is sutured, it is subcutaneous by layer skin suture.The operation is not required to blood transfusion, goes out in art
Blood is few, postoperative 24-48 hours extraction drainage.
7) offside decompression need to be such as carried out, left side can be depressurized with same method, detected and loosened with nerve.Can do or not do right
The cortex screw of side adds flexible rod to fix.
It should be noted that this step can carry out necessary adjustment according to the judgement in art to vertebra section stability.If art
When middle row discectomy and/or Minor articulus medial resection, operated level stability is poor, needs row intervertebral fusion to perform the operation, can be with
PILF technologies carry out intervertebral fusion, while flexible rod is changed into hold-down bars.Offside also uses hold-down bars, it is not necessary to operative incision and
Important Adjustment is made in operation.
The non-fused lumbar vertebrae fixing device provided using the embodiment of the present invention 1 has advantages below：
1st, due to using Minor articulus cortex screw, the export-oriented stripping of paraspinal muscle is reduced.2nd, because Minor articulus cortex bone is strong
Degree is much larger than centrum and vertebral plate spinous process, even therefore sufferers of osteoporosis face can reach effective fixation in the same old way.3rd, due to using
PILF routes, can be relied on spinous process and paraspinal muscle is retracted using center or other positive small incision in art, appear good
Good, the requirement to light source is relatively low, secondly, effective dish decompression and Ipsilateral interverbebral disc vertebrae plate resection can be carried out in art, protects
Facet joint structure is stayed, retains interspinal ligaments and supraspinal ligament.4th, hand Intraoperative position is simple, it is not necessary to repeatedly have an X-rayed repeatedly.5、
Due to fixing point closer to instantaneous centre of rotation, dynamic stability can be implemented to lumbar instability patient, consolidated so as to reach non-fused
Fixed purpose.6th, can be operated with unilateral or bilateral, in most cases, can be with unilateral solve problem.7th, expense is low.8th, technical chart
It is flat, it is easy to learn.9th, overhauling under individual cases is not influenceed, removes interior fixation simple.
Embodiment 2：
As shown in Fig. 1,4,5, the non-fused lumbar vertebrae fixing device that the embodiment of the present invention 1 is provided, including the He of elastic connection rod 1
It is arranged at the small joints in lumbar spine cortex screw 2 at elastic connection rod two ends；The elastic portion 11 of elastic connection rod 1 is irregular hollow out
Hollow titanium alloy tube, the non-resilient portion 12 of elastic connection rod is cylindric titanium alloy bar；The screw of small joints in lumbar spine cortex screw 2
Portion 21 is the self tapping cortex screw with double thread, and the plan structure of the screw afterbody 22 of small joints in lumbar spine cortex screw 2 is U
Shape, U-shaped mouth portion inside can be by the locking elastic pitman 1 of interior split nut 24 with screw thread 23；Screw division 21 and screw afterbody 22
Junction have 1mm non-threadeds；Elastic connection rod 1 is made for memory metal (such as titanium alloy), can be stretched and original state is long
Degree is most short.
Wherein, above-mentioned all materials are titanium alloy material.
The small joints in lumbar spine cortex screw that non-fused lumbar vertebrae fixing device in the embodiment of the present invention 2 is used, can be reduced
The export-oriented stripping of the paraspinal muscle in implantation process, and os integumentale screw and cortex bone contact area are bigger, and fixing intensity is big, right
Effective fixation can be similarly reached in sufferers of osteoporosis face；Using the design of tapping screw, it is not necessary to additionally punched, side
Just medical personnel insert small joints in lumbar spine cortex screw, reduce maloperation risk；Designed using double thread, convenient and strength-saving will be small
Joint cortex screw is inserted, in the case that especially sclerotin is harder, meanwhile, it is capable to help the convenient and strength-saving taking-up skin of medical personnel
Matter screw, prevents cortex screw from snapping in the situation generation for taking and not going；Screw division has 1mm non-threadeds with the junction of screw afterbody,
Can be inserted in pad, separate bone and screw afterbody, prevent screw rear impact collision bone, and bone is opened during preventing from screwing in
Split, influence fixed effect；Using universal connection and the structure of flexible rod, the non-fused of the offer of the embodiment of the present invention 2 is being used
Lumbar vertebrae fixing device, can retain the movable function of vertebra section, facilitate the life of patient；Elastic connection rod is made up of memory metal,
And can be stretched and original state length is most short, when using this non-fused fixing device, elastic connection rod can be with for patient
The action of patient and stretch bending, help patient to realize bending over to wait action, and when patient directly plays waist, elastic connection rod can be in metal
Original state is reverted in the presence of memory, and is not in that elastic connection rod is compressed because original state length is most short
State, meet human body lumbar vertebrae setting；Using titanium alloy material softer and with memory function, can in use,
So that non-fused lumbar vertebrae fixing device is returned to original state, the intensity of non-fused lumbar vertebrae fixing device is enhanced, prevent non-melting
Close lumbar vertebrae fixing device metal fatigue.
When the non-fused lumbar vertebrae fixing device provided using the present embodiment 2, following steps can be taken (narrow with the vertebra of waist 45
As a example by narrow right side symptom)：
1) patient lies prone, whole anesthesia or local anaesthesia are carried out to patient.
2) focus is positioned, hits exactly slightly biased patient-side and make stringer otch in spinous process and be about 3~4cm, cut back muscle
Film, blunt separation paraspinal muscle, to vertebral plate lateral border；Side Fluoroscopy location (1 time), with special paraspinal muscle retractor, leads to the right
Open paraspinal muscle.
3) Minor articulus cortex screw passage is respectively done from inside to outside by waist 4 and the facet joint of waist 5, with probe conduit wall and length
After degree, 1 piece of cortex screw is respectively inserted, general diameter 5mm or 4.5mm, length 35mm or so, cortex screw rear is universal spiral shell
Mouthful, strutted to upper and lower in the spinous process basal part of 4 waist of waist 5 with special Interspinalis spring, expand the intervertebral sheet separation of waist 45.
4) excision right side ligamentum flavum, appears dural sac, detects the nerve root of waist 5, cuts off the ligament for causing pressure successively along nerve root,
The plump facet joint inboard portion of vertebral plate hyperplasia.Prominent nucleus pulposus cleaning down incision hemostasis are extractd if necessary.
5) detect after the completion of nerve root loosens, adjust the elasticity of processus spinosus prop-open device the Minor articulus cortex screw of 4 waist of waist 5 it
Between place flexible rod one, interior split nut is fixed.
6) after otch places drainage, lumbodorsal fascia is sutured, it is subcutaneous by layer skin suture.The operation is not required to blood transfusion, goes out in art
Blood is few, postoperative 24-48 hours extraction drainage.
7) offside decompression need to be such as carried out, left side can be depressurized with same method, detected and loosened with nerve.Can do or not do right
The cortex screw of side adds flexible rod to fix.
It should be noted that this step can carry out necessary adjustment according to the judgement in art to vertebra section stability.If art
When middle row discectomy and/or Minor articulus medial resection, operated level stability is poor, needs row intervertebral fusion to perform the operation, can be with
PILF technologies carry out intervertebral fusion, while flexible rod is changed into hold-down bars.Offside also uses hold-down bars, it is not necessary to operative incision and
Important Adjustment is made in operation.
1st, due to using Minor articulus cortex screw, the export-oriented stripping of paraspinal muscle is reduced.2nd, because Minor articulus cortex bone is strong
Degree is much larger than centrum and vertebral plate spinous process, even therefore sufferers of osteoporosis face can reach effective fixation in the same old way.3rd, due to using
PILF routes, can be relied on spinous process and paraspinal muscle is retracted using center or other positive small incision in art, appear good
Good, the requirement to light source is relatively low, secondly, effective dish decompression and Ipsilateral interverbebral disc vertebrae plate resection can be carried out in art, protects
Facet joint structure is stayed, retains interspinal ligaments and supraspinal ligament.4th, hand Intraoperative position is simple, it is not necessary to repeatedly have an X-rayed repeatedly.5、
Due to fixing point closer to instantaneous centre of rotation, dynamic stability can be implemented to lumbar instability patient, consolidated so as to reach non-fused
Fixed purpose.6th, can be operated with unilateral or bilateral, in most cases, can be with unilateral solve problem.7th, expense is low.8th, technical chart
It is flat, it is easy to learn.9th, overhauling under individual cases is not influenceed, removes interior fixation simple.
In sum, the non-fused lumbar vertebrae fixing device that the present invention is provided, overcomes lumbar vertebrae fixing device in the prior art
The deficiency of presence, can complete under minimally invasive or small incision surgery, and operating time is short, operation wound is small, surgical technic is easily popularized,
And applicability is wide, and the patient of osteoporosis can be helped effectively to be fixed, and can retain the movable function of patient, reduce
Complication and dysfunction, while can be operated with unilateral or bilateral, it is allowed to which multi-segmental depressurizes and stablizes.
It should be appreciated by those skilled in the art that those skilled in the art combine prior art and above-described embodiment can be real
The existing change case, will not be described here.Such change case has no effect on 7 substances of the invention, will not be described here.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, wherein the equipment and structure that do not describe in detail to the greatest extent are construed as giving reality with the common mode in this area
Apply；Any those of ordinary skill in the art, many possible variations and modification are made technical solution of the present invention is not departed from, or
The Equivalent embodiments of equivalent variations are revised as, this has no effect on substance of the invention.Therefore, it is every without departing from skill of the present invention
The content of art scheme, according to technical spirit of the invention is to any simple modification made for any of the above embodiments, equivalent variations and repaiies
Decorations, still fall within the range of technical solution of the present invention protection.
Claims (10)
1. a kind of non-fused lumbar vertebrae fixing device, it is characterised in that including elastic connection rod and be arranged at the elastic connection rod
The small joints in lumbar spine cortex screw at two ends.
2. lumbar vertebrae fixing device as claimed in claim 1, it is characterised in that the small joints in lumbar spine cortex screw includes screw
Portion and the screw afterbody being connected with screw division, the screw division is by the screw afterbody and the universal company of elastic connection rod
Connect.
3. lumbar vertebrae fixing device as claimed in claim 2, it is characterised in that the small joints in lumbar spine cortex screw is with spiral shell
The self tapping cortex screw of line.
4. lumbar vertebrae fixing device as claimed in claim 3, it is characterised in that the connection of the screw division and the screw afterbody
There are 1mm non-threadeds at place.
5. lumbar vertebrae fixing device as claimed in claim 4, it is characterised in that the small joints in lumbar spine cortex screw is double thread
Self tapping cortex screw.
6. the fixing device as described in any one in Claims 1 to 5, it is characterised in that the screw afterbody plan structure
It is U-shaped, is swingable connection between the U-shaped bottom and the screw division, the U-shaped mouth portion inside can be by internal lock with screw thread
Nut locking.
7. lumbar vertebrae fixing device as claimed in claim 6, it is characterised in that the elastic connection rod includes having positioned at centre
The elastic portion of elasticity and the non-resilient portion for being arranged at elastic portion two ends, the Minor articulus cortex screw and non-resilient portion's phase
Even.
8. lumbar vertebrae fixing device as claimed in claim 7, it is characterised in that the elastic portion is spring.
9. lumbar vertebrae fixing device as claimed in claim 7, it is characterised in that the elastic portion is have resilient after engraving
Hollow barred body.
10. the lumbar vertebrae fixing device as described in any one in claim 7~9, it is characterised in that the elastic connection rod
Material is memory metal, and the elastic connection rod is stretchable and length of original state is most short.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206930.6A CN106859756A (en) | 2017-03-31 | 2017-03-31 | Non-fused lumbar vertebrae fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206930.6A CN106859756A (en) | 2017-03-31 | 2017-03-31 | Non-fused lumbar vertebrae fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106859756A true CN106859756A (en) | 2017-06-20 |
Family
ID=59159695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710206930.6A Pending CN106859756A (en) | 2017-03-31 | 2017-03-31 | Non-fused lumbar vertebrae fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106859756A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101138515A (en) * | 2006-09-05 | 2008-03-12 | 朱悦 | Lumbar dynamic internal fixing device |
| CN201290753Y (en) * | 2008-01-25 | 2009-08-19 | 天津市威曼生物材料有限公司 | Elastic dynamic spine internal-fixation device |
| CN201977917U (en) * | 2010-11-11 | 2011-09-21 | 周建明 | Non-fusion elastic rod internal fixing system |
| CN102362816A (en) * | 2011-11-17 | 2012-02-29 | 瞿玉兴 | Dynamic lumbar vertebra fixing system |
| CN202537635U (en) * | 2012-05-11 | 2012-11-21 | 温州医学院附属第一医院 | Lumbar interlaminar dynamic connecting device |
| CN204158473U (en) * | 2014-10-29 | 2015-02-18 | 江苏国立医疗器械有限公司 | A kind of new spinal inner fixing device |
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2017
- 2017-03-31 CN CN201710206930.6A patent/CN106859756A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101138515A (en) * | 2006-09-05 | 2008-03-12 | 朱悦 | Lumbar dynamic internal fixing device |
| CN201290753Y (en) * | 2008-01-25 | 2009-08-19 | 天津市威曼生物材料有限公司 | Elastic dynamic spine internal-fixation device |
| CN201977917U (en) * | 2010-11-11 | 2011-09-21 | 周建明 | Non-fusion elastic rod internal fixing system |
| CN102362816A (en) * | 2011-11-17 | 2012-02-29 | 瞿玉兴 | Dynamic lumbar vertebra fixing system |
| CN202537635U (en) * | 2012-05-11 | 2012-11-21 | 温州医学院附属第一医院 | Lumbar interlaminar dynamic connecting device |
| CN204158473U (en) * | 2014-10-29 | 2015-02-18 | 江苏国立医疗器械有限公司 | A kind of new spinal inner fixing device |
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