CN104939905A - Atlantoaxial pedicle screw guider - Google Patents
Atlantoaxial pedicle screw guider Download PDFInfo
- Publication number
- CN104939905A CN104939905A CN201410109997.4A CN201410109997A CN104939905A CN 104939905 A CN104939905 A CN 104939905A CN 201410109997 A CN201410109997 A CN 201410109997A CN 104939905 A CN104939905 A CN 104939905A
- Authority
- CN
- China
- Prior art keywords
- pedicle screw
- atlas
- guide barrel
- hollow guide
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8875—Screwdrivers, spanners or wrenches
- A61B17/8894—Screwdrivers, spanners or wrenches holding the implant into or through which the screw is to be inserted
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
Abstract
The invention provides an atlantoaxial pedicle screw guider. The atlantoaxial pedicle screw guider is fixed at a position of a posterior arch tubercle of the atlas and used for guiding a fixing piece to be implanted into an implantation point positioned at the pedicle. The atlantoaxial pedicle screw guider is characterized in that the atlantoaxial pedicle screw guider comprises arc rack bodies, a positioning portion, and two hollow guiding cylinders, each arc rack body is provided with a penetrating through hole at the central part and two guiding grooves positioned at two sides of the penetrating through hole, the positioning portion includes a clamp opening used for being in occlusion with the posterior arch tubercle, two clamp legs, and an opening angle fixing member for fixing the opening angle to be in firm occlusion with the posterior arch tubercle, the two hollow guiding cylinders are fixed in the guiding grooves according to the implantation point to allow the fixing piece to penetrate through, and any clamp leg of the two clamp legs penetrates through the penetrating through hole so that the arc rack bodies and the positioning portion are fixed. According to the atlantoaxial pedicle screw guider, the implantation of the fixing piece is more precise, needle-insertion frequency and X-ray radiation can be reduced, the operation time is shortened, the operation is safer, the internal fixation is more reliable, the fracture healing effect is better, and the clinic application value is good.
Description
Technical field
The present invention relates to a kind of medical assistance apparatus coordinating pedicle screw to implant, be specifically related to a kind of for Atlantoaxial atlas and axis pedicle screw guider.
Background technology
Upper cervical spine (C1, C2) because of mobility greatly and easily occur fracture dislocation (odontoid fracture, Jefferson fracture, Hangman fracture etc.), particularly this thereof adjacent oblongata vital center, trachealgia and vertebral artery, once damage, easily produce very serious consequence, and not easily treat.For some fracture dislocation, it is necessary for fracture dislocation is reached resetting and stablize by the method for operation, but most of hospital and orthopedist can not complete these operations, and reason is: 1, operation risk is high, can cause paralysis and life danger; 2, internal fixation system design imperfection, is unfavorable for using and installing; 3, instrument is general tool, and without guiding and positioning function, completely with doctor's sensation, blindness is large; 4, now import is with screw and instrument, non-for compatriots' design, and expensive, limit application.In addition, after screw placement, need the position detecting screw placement by perspective instrument whether accurate, even need repeated multiple times pedicle screw, repeatedly have an X-rayed, the x-ray radiation repeatedly produced in inserting needle and perspective process to human body cause very major injury, extend operating time.
At present in medical instruments field, for atlas and axis, fixture is implanted the medical apparatus and instruments being positioned at the implantation point of pedicle of vertebral arch and also do not exist, this type of technical scheme remains blank.
Summary of the invention
The present invention carries out to solve the problem, and object is to provide a kind of fixture to implant more accurate, safer, more reliable atlas and axis pedicle screw guider.
Atlas and axis pedicle screw guider provided by the invention, implant for guide fixture the implantation point being positioned at pedicle of vertebral arch by the cantle nodule position that is fixed on atlas, there is such feature, comprise: arc frame body, the radian that to have with cantle tuberosity be the center of circle, be provided be positioned at middle part run through through hole, and be positioned at and run through through hole both sides and two gathering sills on the bearing of trend of arc frame body, location division, comprise the jaw for being engaged cantle tuberosity, for regulating two pincers lower limbs of the subtended angle size of jaw, and subtended angle is fixed the subtended angle fixed component being firmly engaged cantle tuberosity, two hollow guide barrel, penetrate respectively and be arranged in described two gathering sills and can slide along gathering sill, be fixed in gathering sill according to implantation point and pass for fixture, wherein, subtended angle fixed component comprise penetrate two pincers lower limbs in be positioned at top pincers lower limb after be fixed on be positioned at below pincers lower limb on screw rod, and match for the nut of fixing subtended angle with screw rod, any one pincers lower limb in two pincers lower limbs penetrates and runs through through hole arc frame body and location division are fixed.
In atlas and axis pedicle screw guider provided by the invention, can also have such feature: wherein, arc frame body is evenly provided with scale in the side surface part opposing with cantle tuberosity, and two hollow guide barrel are located under the instruction of scale.
In atlas and axis pedicle screw guider provided by the invention, can also have such feature: wherein, the pincers lower limb being positioned at top has and stretches out bent frame and form the thumb locating slot allowing operator be affectedly bashful.
In atlas and axis pedicle screw guider provided by the invention, can also have such feature: wherein, fixture is screw, and two hollow guide barrel are passed for screw respectively.
In atlas and axis pedicle screw guider provided by the invention, such feature can also be had: wherein, fixture is hollow screw and Kirschner wire, the inside of two hollow guide barrel is respectively installed with dismountable built-in hollow guide barrel, built-in hollow guide barrel is passed for Kirschner wire, and two cannulated sleeves pass for hollow screw respectively.
In atlas and axis pedicle screw guider provided by the invention, can also have such feature: wherein, the both sides of each hollow guide barrel are formed with two raised member, and two hollow guide barrel are fastened in arc frame body respectively by two raised member.
The effect of invention
According to atlas and axis pedicle screw guider involved in the present invention, because pedicle screw guider is fixed in the cantle nodule position of atlas by location division, then according to implantation point, hollow guide barrel is fixed in gathering sill, make hollow guide barrel corresponding very accurately with the position of implanting point, finally fixture is implanted this implantation point along cannulated sleeve, therefore atlas and axis pedicle screw guider of the present invention makes the implantation of fixture more accurate, inserting needle number of times and x-ray radiation can be reduced, shorten operating time, and make operation safer, internal fixtion is more reliable, union of fracture effect is better, there is good clinical value.
Accompanying drawing explanation
Fig. 1 is the stravismus structural representation of atlas and axis pedicle screw guider in embodiments of the invention;
Fig. 2 be in embodiments of the invention arc frame body face structural representation; And
Fig. 3 is the structural representation of embodiments of the invention hollow core guide barrel.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reach object and effect is easy to understand, following examples are specifically addressed atlas and axis pedicle screw guider of the present invention by reference to the accompanying drawings.
Fig. 1 is the structural representation of atlas and axis pedicle screw guider in embodiments of the invention.
As shown in Figure 1, in the present embodiment, atlas and axis pedicle screw guider 100 is by being fixed in the cantle nodule position of the atlas of human body, implant the implantation point be positioned in pedicle of vertebral arch for guide fixture, comprising: arc frame body 1, location division 2 and two hollow guide barrel 3.In the present embodiment, fixture is screw.
In the present embodiment, atlas and axis pedicle screw guider 100 comprises two arc frame body 1, in double-decker.The radian that it is the center of circle that arc frame body 1 has with cantle tuberosity, cantle tuberosity is the bulge-structure at the vertebral arch rear being positioned at human body atlas, accordingly, on rear side of the cervical vertebra that the radian that arc frame body 1 has can wrap up human body and the scope in outside.
Fig. 2 is the structural representation of arc frame body in embodiments of the invention.
The structure of two arc frame body 1 in the present embodiment is identical, omits the concrete elaboration to another at this.As shown in Figure 2, arc frame body 1 has: run through through hole 11, two gathering sills 12 and four fastener holes 13.
Run through the middle part that through hole 11 is arranged on arc frame body 1, two gathering sills 12 are positioned at the both sides running through through hole 11, and arrange along the bearing of trend of arc frame body 1, the rectangular shape of each gathering sill 12.Two gathering sills 12 are respectively equipped with two fastener holes 13 at the two ends being positioned at arc frame body 1 bearing of trend.Two arc frame body 1 stack mutually, are coordinated by bolt and nut component, carry out fastening, make between two arc frame body 1 fastened accordingly to two arc frame body 1 with two fastener holes 13 of one end.The arc frame body 1 overlaying outside is evenly provided with scale 14 at the lateral surface that the cantle tuberosity with human body is opposing respectively along two gathering sills 12, under the instruction of scale 14, two hollow guide barrel 3 is located.
As shown in Figure 1, location division 2 entirety have employed the technical scheme of clamp, specifically comprises: jaw 21, upper pincers lower limb 22, lower pincers lower limb 23, fixed component 24.Wherein, fixed component 24 comprises: screw rod 241 and nut 242, and in the present embodiment, nut 242 is handle nut.
Jaw 21 is for being engaged cantle tuberosity, and upper pincers lower limb 22 and lower pincers lower limb 23 are for regulating the subtended angle size of jaw 21 under the operation that matches at upper pincers lower limb 22 and lower pincers lower limb 23, screw rod 241 is fixed on after penetrating pincers lower limb 22 on the inner side face of lower pincers lower limb 23.Nut 242 matches with screw rod 241, when nut 242 to match with screw rod 241 fixing upper clamp lower limb 22 and lower pincers lower limb 23 time, the subtended angle of jaw 21 is fixed, thus makes jaw 21 firmly be engaged cantle tuberosity.
Lower pincers lower limb 23 penetrates and runs through through hole 12 and make to fix between arc frame body 1 and location division 2.
The outside of upper pincers lower limb 22 has stretches out bent frame 221, stretch out the thumb locating slot 222 that between bent frame 221 and upper pincers lower limb 22, formation allows operator be affectedly bashful, the thumb of operator makes the subtended angle size of the more convenient quick adjustment jaw 21 of operator make jaw 21 be engaged the cantle tuberosity of human body through thumb locating slot 222.
Fig. 3 is the structural representation of embodiments of the invention hollow core guide barrel.
As shown in Figure 3, that show in figure is in two hollow guide barrel 3 one, and another is identical with the structure of this hollow guide barrel 3, omits the description to another hollow guide barrel 3 at this.The inside of hollow guide barrel 3 is that hollow-core construction is passed for fixture screw.Two raised member 31 are formed in the both sides of each hollow guide barrel 3, two raised member 31 are fixedly connected with respectively by the both sides of a minor axis with hollow guide barrel 3, hollow guide barrel 3 can be rotated relative to raised member 31, thus regulate the angle of hollow guide barrel 3.Two hollow guide barrel 3 penetrate corresponding gathering sill 12 respectively, and two raised member 31 are folded in the centre of two arc frame body 1 respectively, and each hollow guide barrel 3 can be slided along gathering sill 12.When hollow guide barrel 3 move in gathering sill 12 determine position time, coordinated by bolt and nut and the two ends of two arc frame body 1 are tightened up, hollow guide barrel is made to be fixed on the current location of gathering sill 12, and then by regulating the angle determination screw placement point of hollow guide barrel 3.
The specific works process of atlas and axis pedicle screw guider 100 is as follows:
The screw placement point in DATA REASONING determination pedicle of vertebral arch is carried out according to patient CT image.First the subtended angle size of jaw 21 is regulated by upper pincers lower limb 22 and lower pincers lower limb 23, jaw 21 is made to be engaged cantle tuberosity, then coordinating to tighten by screw rod 241 and nut 242 makes upper pincers lower limb 22 and lower pincers lower limb 23 fix, and then the subtended angle of fixing jaw 21 makes jaw 21 firmly be engaged cantle tuberosity.Secondly, according to fixed screw placement point, by sliding, hollow guide barrel 3 is fixed on position corresponding in gathering sill 13 by hollow guide barrel 3, then regulates the angle of hollow guide barrel 3, determines screw placement point.Finally, via hollow guide barrel 3 by this screw placement point of screw placement, screw placement process is completed.
The effect of embodiment and effect
The atlas and axis pedicle screw guider that the present embodiment provides, because pedicle screw guider is fixed in the cantle nodule position of atlas by location division, then according to implantation point, hollow guide barrel is fixed in gathering sill, make hollow guide barrel corresponding very accurately with the position of implanting point, finally fixture is implanted this implantation point along cannulated sleeve, therefore the atlas and axis pedicle screw guider of the present embodiment makes the implantation of fixture more accurate, inserting needle number of times and x-ray radiation can be reduced, shorten operating time, and make operation safer, internal fixtion is more reliable, union of fracture effect is better, there is good clinical value.
In the atlas and axis pedicle screw guider of the present embodiment, due to arc frame body in the side surface part opposing with cantle tuberosity all be provided with scale, hollow guide barrel is fixed in gathering sill according to implantation point under the instruction of scale, therefore makes the location of screw placement point more accurate.
In the atlas and axis pedicle screw guider of the present embodiment, stretch out bent frame and form because upper pincers lower limb has the thumb locating slot allowing operator be affectedly bashful, therefore make that operator is more convenient to be affectedly bashful two pincers lower limbs fast and to regulate jaw subtended angle sizes to be engaged cantle tuberosity.
In the atlas and axis pedicle screw guider of the present embodiment, fixture is screw, and screw is through the empty implanted implantation point of hollow guide barrel.In the atlas and axis pedicle screw guider that the present invention relates to, fixture can also be Kirschner wire, accordingly, the inside of two hollow guide barrel is respectively installed with dismountable built-in hollow guide barrel, Kirschner wire in the implanted implantation point of built-in hollow guide barrel, after Kirschner wire is implanted, dismantle built-in hollow guide barrel, hollow screw, in the implanted implantation point of hollow guide barrel, finally takes out Kirschner wire, completes screw placement process.
Above-mentioned embodiment is preferred case of the present invention, is not used for limiting the scope of the invention.
Claims (6)
1., by the cantle nodule position that is fixed on atlas being implanted an atlas and axis pedicle screw guider for the implantation point be positioned in pedicle of vertebral arch for guide fixture, it is characterized in that, comprising:
Arc frame body, the radian that to have with described cantle tuberosity be the center of circle, be provided be positioned at middle part run through through hole, and run through through hole both sides described in being positioned at and two gathering sills on the bearing of trend of described arc frame body;
Location division, comprises the jaw for being engaged described cantle tuberosity, for regulating two of the subtended angle size of described jaw clamp lower limb and be fixed by described subtended angle to be firmly engaged the subtended angle fixed component that cantle tuberosity is stated in residence;
Two hollow guide barrel, penetrate respectively and are arranged in described two gathering sills and can slide along described gathering sill, be fixed in described gathering sill pass for described fixture according to described implantation point,
Wherein, described subtended angle fixed component comprise penetrate be positioned at the described pincers lower limb of top in described two pincers lower limbs after be fixed on screw rod on the described pincers lower limb being positioned at below, and match for the nut of fixing described subtended angle with described screw rod,
Clamp described in any one in described two pincers lower limbs lower limb penetrate described in run through through hole described arc frame body and described location division fixed.
2. atlas and axis pedicle screw guider according to claim 1, is characterized in that:
Wherein, described arc frame body is evenly provided with scale in the side surface part opposing with described cantle tuberosity,
Described two hollow guide barrel are located under the instruction of described scale.
3. atlas and axis pedicle screw guider according to claim 1, is characterized in that:
Wherein, the described pincers lower limb being positioned at top has and stretches out bent frame and form the thumb locating slot allowing operator be affectedly bashful.
4. atlas and axis pedicle screw guider according to claim 1, is characterized in that:
Wherein, described fixture is screw,
Described two hollow guide barrel are passed for described screw respectively.
5. atlas and axis pedicle screw guider according to claim 1, is characterized in that:
Wherein, described fixture is hollow screw and Kirschner wire,
The inside of described two hollow guide barrel is respectively installed with dismountable built-in hollow guide barrel,
Described built-in hollow guide barrel is passed for described Kirschner wire,
Described two cannulated sleeves pass for described hollow screw respectively.
6. the atlas and axis pedicle screw guider according to claim 1 or 4 or 5, is characterized in that:
Wherein, the both sides of each described hollow guide barrel are formed with two raised member,
Described two hollow guide barrel are fastened in described arc frame body respectively by described two raised member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410109997.4A CN104939905B (en) | 2014-03-24 | 2014-03-24 | Atlas and axis pedicle of vertebral arch screw nail guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410109997.4A CN104939905B (en) | 2014-03-24 | 2014-03-24 | Atlas and axis pedicle of vertebral arch screw nail guider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104939905A true CN104939905A (en) | 2015-09-30 |
| CN104939905B CN104939905B (en) | 2017-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410109997.4A Expired - Fee Related CN104939905B (en) | 2014-03-24 | 2014-03-24 | Atlas and axis pedicle of vertebral arch screw nail guider |
Country Status (1)
| Country | Link |
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| CN (1) | CN104939905B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236233A (en) * | 2016-09-21 | 2016-12-21 | 璧电兢 | Micro-wound percutaneous atlas posterior internal fixation system |
| CN106510830A (en) * | 2016-10-12 | 2017-03-22 | 河北医科大学第三医院 | Adjustable guiding device for imbedding pedicle screw |
| CN106974715A (en) * | 2017-03-31 | 2017-07-25 | 张银顺 | A kind of Study of Atlas Fracture by Finite fixator |
| CN107411811A (en) * | 2017-07-12 | 2017-12-01 | 中南大学湘雅医院 | A kind of sacral puts nail multifunctional guide device |
| ES2651736R1 (en) * | 2016-07-28 | 2018-03-19 | Rafael AGUIRRE GARCIA | GUIDE FOR SURGICAL INTERVENTION |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1360878A (en) * | 2002-01-22 | 2002-07-31 | 中国人民解放军南京军区南京总医院 | Three-dimensional locator for pedicle for cervical vertebra arch |
| CN2680212Y (en) * | 2003-09-30 | 2005-02-23 | 江永发 | Screw guiding and positioning device for vertebral arch pedicle |
| CN2754574Y (en) * | 2004-12-21 | 2006-02-01 | 华中科技大学同济医学院附属同济医院 | Vertebral arch screw implanting guider |
| JP4810698B1 (en) * | 2011-02-16 | 2011-11-09 | 株式会社湊川金属テストピース製作所 | Pedicle insertion instrument guide device |
| KR20120041671A (en) * | 2010-10-21 | 2012-05-02 | 가부시키가이샤 미나토가와 킨조쿠 테스트피스 세이사쿠쇼 | Boring instrument guide device of pedicle of vertebral arch |
| CN203815568U (en) * | 2014-03-24 | 2014-09-10 | 中国人民解放军第二军医大学 | Atlantoaxial pedicle screw guider |
-
2014
- 2014-03-24 CN CN201410109997.4A patent/CN104939905B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360878A (en) * | 2002-01-22 | 2002-07-31 | 中国人民解放军南京军区南京总医院 | Three-dimensional locator for pedicle for cervical vertebra arch |
| CN2680212Y (en) * | 2003-09-30 | 2005-02-23 | 江永发 | Screw guiding and positioning device for vertebral arch pedicle |
| CN2754574Y (en) * | 2004-12-21 | 2006-02-01 | 华中科技大学同济医学院附属同济医院 | Vertebral arch screw implanting guider |
| KR20120041671A (en) * | 2010-10-21 | 2012-05-02 | 가부시키가이샤 미나토가와 킨조쿠 테스트피스 세이사쿠쇼 | Boring instrument guide device of pedicle of vertebral arch |
| JP4810698B1 (en) * | 2011-02-16 | 2011-11-09 | 株式会社湊川金属テストピース製作所 | Pedicle insertion instrument guide device |
| CN203815568U (en) * | 2014-03-24 | 2014-09-10 | 中国人民解放军第二军医大学 | Atlantoaxial pedicle screw guider |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2651736R1 (en) * | 2016-07-28 | 2018-03-19 | Rafael AGUIRRE GARCIA | GUIDE FOR SURGICAL INTERVENTION |
| CN106236233A (en) * | 2016-09-21 | 2016-12-21 | 璧电兢 | Micro-wound percutaneous atlas posterior internal fixation system |
| CN106236233B (en) * | 2016-09-21 | 2019-04-09 | 赵群 | Micro-wound percutaneous atlas posterior internal fixation system |
| CN106510830A (en) * | 2016-10-12 | 2017-03-22 | 河北医科大学第三医院 | Adjustable guiding device for imbedding pedicle screw |
| CN106974715A (en) * | 2017-03-31 | 2017-07-25 | 张银顺 | A kind of Study of Atlas Fracture by Finite fixator |
| CN107411811A (en) * | 2017-07-12 | 2017-12-01 | 中南大学湘雅医院 | A kind of sacral puts nail multifunctional guide device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104939905B (en) | 2017-09-29 |
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