CN203815568U - Atlantoaxial pedicle screw guider - Google Patents
Atlantoaxial pedicle screw guider Download PDFInfo
- Publication number
- CN203815568U CN203815568U CN201420133119.1U CN201420133119U CN203815568U CN 203815568 U CN203815568 U CN 203815568U CN 201420133119 U CN201420133119 U CN 201420133119U CN 203815568 U CN203815568 U CN 203815568U
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- China
- Prior art keywords
- guide barrel
- hollow guide
- screw
- fixed
- cantle
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- Withdrawn - After Issue
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Abstract
The utility model provides an atlantoaxial pedicle screw guider. The atlantoaxial pedicle screw guider is fixed on the posterior arch node position of the atlas and is used for guiding the implantation of a fixing piece to an implantation point of the vertebral pedicle. The atlantoaxial pedicle screw guider is characterized by comprising an arc-shaped frame body, a through hole which is formed in the middle of the frame body, two guide grooves which are located at two sides of the through hole, a positioning part which comprises a twine hook used for biting the posterior arch node, two plier legs and a flare angle fixing component used for fixing the flare angle to firmly bite the posterior arch node, and two hollow guide barrels which are fixed to the guide grooves according to the implantation point for the fixing piece to penetrate through, wherein any one of the two plier legs penetrates through the through hole to fix the arc-shaped frame body with the positioning part. According to the atlantoaxial pedicle screw guider, the implantation of the fixing piece is more precise, the needle inserting times and the X ray radiation are reduced, the operation time is shortened, the operation is safer, the internal fixation is more reliable, the fracture healing effect is excellent, and the clinic application value is better.
Description
Technical field
This utility model relates to a kind of medical assistance apparatus that coordinates pedicle screw to implant, and is specifically related to a kind of for Atlantoaxial extensive region axis arch root screw guides.
Background technology
Greatly easily there is fracture dislocation (odontoid fracture, Jefferson fracture, Hangman fracture etc.) because of mobility in upper cervical spine (C1, C2), particularly oblongata vital center, trachealgia and vertebral artery are adjoined in this position, once damage, easily produce very serious consequence, and be difficult for treatment.For some fracture dislocation, it is necessary 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, with doctor's sensation, blindness is large completely; 4, be now import with screw and instrument, non-for compatriots' design, and expensive, limit application.In addition, after screw placement, whether accurately need to detect the position of screw placement by perspective instrument, even need repeated multiple times pedicle screw, perspective repeatedly, the x-ray radiation repeatedly producing in inserting needle and perspective process causes very major injury, has extended operating time human body.
In medical instruments field, the medical apparatus and instruments of fixture being implanted to the implantation point that is positioned at pedicle of vertebral arch for extensive region dentata does not also exist at present, and it is blank that this type of technical scheme remains.
Utility model content
This utility model carries out in order to address the above problem, and object is to provide a kind of fixture to implant more accurate, safer, more reliable extensive region axis arch root screw guides.
The extensive region axis arch root screw guides that this utility model provides, implant for guide fixture the implantation point that is positioned at pedicle of vertebral arch by being fixed in the cantle nodule position of atlas, there is such feature, comprise: arc support body, there is the radian taking cantle tuberosity as the center of circle, be provided with the through hole that runs through that is positioned at middle part, and be positioned at and run through through hole both sides and two gathering sills on the bearing of trend of arc support body, location division, comprise the jaw for interlock cantle tuberosity, be used for two pincers lower limbs of the subtended angle size that regulates jaw, and subtended angle is fixed to the subtended angle fixed component of living cantle tuberosity with firm interlock, 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 and pass for fixture according to implantation point, wherein, subtended angle fixed component comprises after penetrating the pincers lower limb that two pincers are positioned at top in lower limbs and is fixed on the screw rod on the pincers lower limb that is positioned at below, and match with screw rod for the nut of fixing subtended angle, two pincers any pincers lower limb in lower limbs penetrates and runs through through hole arc support body and location division are fixed.
In the extensive region axis arch root screw guides providing at this utility model, can also there is such feature: wherein, arc support body with the opposing side surface part of cantle tuberosity on be evenly provided with scale, two hollow guide barrel are positioned under the instruction of scale.
In the extensive region axis arch root screw guides providing at this utility model, can also there is such feature: wherein, the pincers lower limb that is positioned at top has and stretches out bent frame and form the thumb locating slot that allows operator be affectedly bashful.
In the extensive region axis arch root screw guides providing at this utility model, can also have such feature: wherein, fixture is screw, two hollow guide barrel are passed for screw respectively.
In the extensive region axis arch root screw guides providing at this utility model, can also there is such feature: 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 the extensive region axis arch root screw guides providing at this utility model, can also there is such feature: wherein, the both sides of each hollow guide barrel are formed with two raised member, and two hollow guide barrel are fastened on arc support body by two raised member respectively.
The effect of utility model
The extensive region axis arch root screw guides related according to this utility model, because location division is fixed on pedicle screw guider in the cantle nodule position of atlas, then be fixed in gathering sill according to the implantation hollow guide barrel of naming a person for a particular job, make hollow guide barrel very accurate corresponding with the position of implanting point, finally fixture is implanted to this implantation point along cannulated sleeve, therefore this utility model extensive region axis arch root screw guides makes the implantation of fixture more accurate, can reduce inserting needle number of times and x-ray radiation, shorten operating time, and it is safer to make to perform the operation, interior fixing more reliable, union of fracture effect is better, there is good clinical value.
Brief description of the drawings
Fig. 1 is the stravismus structural representation of extensive region axis arch root screw guides in embodiment of the present utility model;
Fig. 2 be in embodiment of the present utility model arc support body face structural representation; And
Fig. 3 is the structural representation of embodiment hollow core guide barrel of the present utility model.
Detailed description of the invention
For technological means, creation characteristic that this utility model is realized, reach object and effect is easy to understand, following examples are specifically addressed this utility model extensive region axis arch root screw guides by reference to the accompanying drawings.
Fig. 1 is the structural representation of extensive region axis arch root screw guides in embodiment of the present utility model.
As shown in Figure 1, in the present embodiment, extensive region axis arch root screw guides 100 is by being fixed in the cantle nodule position of atlas of human body, implant the implantation point being positioned in pedicle of vertebral arch for guide fixture, comprising: arc support body 1, location division 2 and two hollow guide barrel 3.In the present embodiment, fixture is screw.
In the present embodiment, extensive region axis arch root screw guides 100 comprises two arc support bodys 1, is double-decker.Arc support body 1 has the radian taking cantle tuberosity as the center of circle, and cantle tuberosity is the bulge-structure that is positioned at the vertebral arch rear of human body atlas, and corresponding, the radian that arc support body 1 has can wrap up the cervical vertebra rear side of human body and the scope in outside.
Fig. 2 is the structural representation of arc support body in embodiment of the present utility model.
The structure of two arc support bodys 1 in the present embodiment is identical, omits the concrete elaboration to another at this.As shown in Figure 2, arc support 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 support body 1, two gathering sills 12 are positioned at the both sides of running through through hole 11, and along the bearing of trend setting of arc support 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 that are positioned at arc frame body 1 bearing of trend.Two arc support bodys 1 stack mutually, coordinate by bolt and nut component, two arc support bodys 1 are carried out fastening with two fastener holes 13 of one end, make between two arc support bodys 1 fastened accordingly.Overlay the arc support body 1 in outside being evenly provided with respectively scale 14 with the opposing lateral surface of the cantle tuberosity of human body along two gathering sills 12, under the instruction of scale 14, two hollow guide barrel 3 are positioned.
As shown in Figure 1, location division 2 entirety have adopted the technical scheme of clamp, specifically comprise: 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, in the present embodiment, nut 242 is handle nut.
Jaw 21 is for interlock 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 matching operation at upper pincers lower limb 22 and lower pincers lower limb 23, and screw rod 241 is fixed on the inner side face of lower pincers lower limb 23 after penetrating pincers lower limb 22.Nut 242 matches with screw rod 241, when nut 242 matches fixing upper pincers lower limb 22 and lower pincers lower limb 23 with screw rod 241, the subtended angle of jaw 21 is fixed, thereby makes the firm interlock of jaw 21 live cantle tuberosity.
Lower pincers lower limb 23 penetrates and runs through through hole 12 and make to fix between arc support 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, operator's thumb makes the subtended angle size of the more convenient quick adjustment jaw 21 of operator make jaw 21 interlocks live the cantle tuberosity of human body through thumb locating slot 222.
Fig. 3 is the structural representation of embodiment hollow core guide barrel of the present utility model.
As shown in Figure 3, that in figure, show is in two hollow guide barrel 3, 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.Be formed with two raised member 31 in the both sides of each hollow guide barrel 3, two raised member 31 are fixedly connected with the both sides of hollow guide barrel 3 by a minor axis respectively, hollow guide barrel 3 can be rotated relative to raised member 31, thereby regulate the angle of hollow guide barrel 3.Two hollow guide barrel 3 penetrate respectively corresponding gathering sill 12, and two raised member 31 are folded in respectively the centre of two arc support bodys 1, and each hollow guide barrel 3 can be slided along gathering sill 12.In the time that hollow guide barrel 3 moves to definite position in gathering sill 12, coordinate the two ends of two arc support bodys 1 are tightened up by bolt and nut, make hollow guide barrel be fixed on the current location of gathering sill 12, and then by regulating the angle of hollow guide barrel 3 to determine screw placement point.
The specific works process of extensive region axis arch root screw guides 100 is as follows:
Carry out DATA REASONING according to patient CT image and determine the screw placement point in pedicle of vertebral arch.First regulate the subtended angle size of jaw 21 by upper pincers lower limb 22 and lower pincers lower limb 23, make jaw 21 interlocks live cantle tuberosity, then coordinate to tighten by screw rod 241 and nut 242 upper pincers lower limb 22 and lower pincers lower limb 23 are fixed, and then the subtended angle of fixing jaw 21 makes the firm interlock of jaw 21 live cantle tuberosity.Secondly, according to fixed screw placement point, by the hollow guide barrel 3 of sliding, hollow guide barrel 3 is fixed on the interior corresponding position of gathering sill 13, then regulates the angle of hollow guide barrel 3, determine screw placement point.Finally, by this screw placement point of screw placement, complete screw placement process via hollow guide barrel 3.
The effect of embodiment and effect
The extensive region axis arch root screw guides that the present embodiment provides, because location division is fixed on pedicle screw guider in the cantle nodule position of atlas, then be fixed in gathering sill according to the implantation hollow guide barrel of naming a person for a particular job, make hollow guide barrel very accurate corresponding with the position of implanting point, finally fixture is implanted to this implantation point along cannulated sleeve, therefore the extensive region axis arch root screw guides of the present embodiment makes the implantation of fixture more accurate, can reduce inserting needle number of times and x-ray radiation, shorten operating time, and it is safer to make to perform the operation, interior fixing more reliable, union of fracture effect is better, there is good clinical value.
In the axis arch root screw guides of the extensive region of the present embodiment, due to arc support body with the opposing side surface part of cantle tuberosity on all be provided with scale, hollow guide barrel is fixed in gathering sill under the instruction of scale according to implanting point, therefore makes the location of screw placement point more accurate.
In the axis arch root screw guides of the extensive region of the present embodiment, stretch out bent frame and form the thumb locating slot that allows operator be affectedly bashful because upper pincers lower limb has, therefore make that operator is more convenient to be affectedly bashful fast two pincers lower limbs and to regulate jaw subtended angle sizes with interlock cantle tuberosity.
In the axis arch root screw guides of the extensive region of the present embodiment, fixture is screw, and screw is through the empty implanted implantation point of hollow guide barrel.In the extensive region axis arch root screw guides that this utility model 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, and Kirschner wire is 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 utility model, is not used for limiting protection domain of the present utility model.
Claims (6)
1. implant for guide fixture an extensive region axis arch root screw guides that is positioned at the implantation point in pedicle of vertebral arch by being fixed in the cantle nodule position of atlas, it is characterized in that, comprising:
Arc support body, has the radian taking described cantle tuberosity as the center of circle, is provided with the through hole that runs through that is positioned at middle part, and described in being positioned at, runs through through hole both sides and two gathering sills on the bearing of trend of described arc support body;
Location division, comprises for the jaw of cantle tuberosity described in interlock, for regulating two of subtended angle size pincers lower limbs of described jaw and described subtended angle being fixed to the subtended angle fixed component of stating cantle tuberosity with firm interlock residence;
Two hollow guide barrel, penetrate respectively and are arranged in described two gathering sills and can slide along described gathering sill, and be fixed in described gathering sill and pass for described fixture according to described implantation point,
Wherein, described subtended angle fixed component comprises after penetrating the described pincers lower limb that described two pincers are positioned at top in lower limbs and is fixed on the screw rod on the described pincers lower limb that is positioned at below, and matches with described screw rod for the nut of fixing described subtended angle,
Described in any in lower limbs of described two pincers, clamping lower limb runs through through hole described in penetrating described arc support body and described location division is fixed.
2. extensive region according to claim 1 axis arch root screw guides, is characterized in that:
Wherein, described arc support body with the opposing side surface part of described cantle tuberosity on be evenly provided with scale,
Described two hollow guide barrel are positioned under the instruction of described scale.
3. extensive region according to claim 1 axis arch root screw guides, is characterized in that:
Wherein, the described pincers lower limb that is positioned at top has and stretches out bent frame and form the thumb locating slot that allows operator be affectedly bashful.
4. extensive region according to claim 1 axis arch root screw guides, is characterized in that:
Wherein, described fixture is screw,
Described two hollow guide barrel are passed for described screw respectively.
5. extensive region according to claim 1 axis arch root screw guides, 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. according to the extensive region axis arch root screw guides described in claim 1 or 4 or 5, it 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 on described arc support body by described two raised member respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133119.1U CN203815568U (en) | 2014-03-24 | 2014-03-24 | Atlantoaxial pedicle screw guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133119.1U CN203815568U (en) | 2014-03-24 | 2014-03-24 | Atlantoaxial pedicle screw guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203815568U true CN203815568U (en) | 2014-09-10 |
Family
ID=51471119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420133119.1U Withdrawn - After Issue CN203815568U (en) | 2014-03-24 | 2014-03-24 | Atlantoaxial pedicle screw guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203815568U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104306061A (en) * | 2014-10-30 | 2015-01-28 | 华中科技大学同济医学院附属协和医院 | Atlantoaxial pedicle screw guide and preparation method therefor |
| CN104799934A (en) * | 2015-05-18 | 2015-07-29 | 阮渊 | Vertebral pedicle screw-placing guider |
| CN104939905A (en) * | 2014-03-24 | 2015-09-30 | 中国人民解放军第二军医大学 | Atlantoaxial pedicle screw guider |
| CN105877833A (en) * | 2016-05-20 | 2016-08-24 | 程自申 | Spatial-positioning assisted drilling device |
| CN106974715A (en) * | 2017-03-31 | 2017-07-25 | 张银顺 | A kind of Study of Atlas Fracture by Finite fixator |
| CN107411810A (en) * | 2017-07-12 | 2017-12-01 | 中南大学湘雅医院 | A kind of atlas puts nail multifunctional guide device |
| CN109330676A (en) * | 2018-11-16 | 2019-02-15 | 张晨晨 | A kind of orthopaedics pre-fixes guiding device with heteropleural fixed Kirschner wire |
-
2014
- 2014-03-24 CN CN201420133119.1U patent/CN203815568U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104939905A (en) * | 2014-03-24 | 2015-09-30 | 中国人民解放军第二军医大学 | Atlantoaxial pedicle screw guider |
| CN104939905B (en) * | 2014-03-24 | 2017-09-29 | 中国人民解放军第二军医大学 | Atlas and axis pedicle of vertebral arch screw nail guider |
| CN104306061A (en) * | 2014-10-30 | 2015-01-28 | 华中科技大学同济医学院附属协和医院 | Atlantoaxial pedicle screw guide and preparation method therefor |
| CN104799934A (en) * | 2015-05-18 | 2015-07-29 | 阮渊 | Vertebral pedicle screw-placing guider |
| CN105877833A (en) * | 2016-05-20 | 2016-08-24 | 程自申 | Spatial-positioning assisted drilling device |
| CN105877833B (en) * | 2016-05-20 | 2019-04-02 | 程自申 | A kind of space orientation auxiliary bore hole device |
| CN106974715A (en) * | 2017-03-31 | 2017-07-25 | 张银顺 | A kind of Study of Atlas Fracture by Finite fixator |
| CN107411810A (en) * | 2017-07-12 | 2017-12-01 | 中南大学湘雅医院 | A kind of atlas puts nail multifunctional guide device |
| CN107411810B (en) * | 2017-07-12 | 2019-02-05 | 中南大学湘雅医院 | A kind of atlas sets nail multifunctional guide device |
| CN109330676A (en) * | 2018-11-16 | 2019-02-15 | 张晨晨 | A kind of orthopaedics pre-fixes guiding device with heteropleural fixed Kirschner wire |
| CN109330676B (en) * | 2018-11-16 | 2021-03-16 | 青岛智兴医疗器械有限公司 | Orthopedics is with fixed type kirschner wire of heteropleural fixation guide device in advance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20170929 |