CN109700517A - A kind of auxiliary reset instrument and preparation method thereof for atlantoaxial dislocation - Google Patents
A kind of auxiliary reset instrument and preparation method thereof for atlantoaxial dislocation Download PDFInfo
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- CN109700517A CN109700517A CN201910104130.2A CN201910104130A CN109700517A CN 109700517 A CN109700517 A CN 109700517A CN 201910104130 A CN201910104130 A CN 201910104130A CN 109700517 A CN109700517 A CN 109700517A
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- 238000002360 preparation method Methods 0.000 title abstract description 5
- 230000009467 reduction Effects 0.000 claims abstract description 28
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 22
- 238000010146 3D printing Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 210000003625 skull Anatomy 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
- 238000000110 selective laser sintering Methods 0.000 claims description 4
- 208000024891 symptom Diseases 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
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- 239000003814 drug Substances 0.000 claims 1
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- 238000010586 diagram Methods 0.000 description 3
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- 206010033799 Paralysis Diseases 0.000 description 2
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Abstract
The auxiliary reset instrument and preparation method thereof that the invention discloses a kind of for atlantoaxial dislocation, the reduction instrument include atlas sticking part, head sticking part, dentata sticking part and adjustment portion；Adjustment portion includes support bridge, adjustable column and nut；One end of support bridge and head sticking part are connected, and the other end and dentata sticking part are connected；Adjustable column is inserted in the middle part of support bridge, adjustable column one end is connect with nut thread, and the adjustable column other end is fixedly connected with atlas sticking part；The inner surface of atlas sticking part is adapted to completely with the atlas bone face of sufferer；The inner surface of head sticking part is adapted to completely with the skull face of sufferer；The inner surface of dentata sticking part is adapted to completely with the dentata bone face of sufferer；Atlas sticking part, head sticking part, dentata sticking part use 3D printing method machine-shaping.The accurate reset of realization patient's atlas and axis that can be safe and reliable using the instrument, and it is subsequent fixed not influence atlas and axis.
Description
Technical field
The present invention relates to digital medical and medical instruments field, specially a kind of auxiliary reset device for atlantoaxial dislocation
Tool and preparation method thereof.
Background technique
Atlantoaxial dislocation or be extensive region, irreducible atlantoaxial dislocation, refers between the first segment (atlas) of cervical vertebra, the second section (dentata)
Joint lose normal relationship in a mutual action.
Atlantoaxial dislocation type includes anterior dislocation, backward dislocation, the dislocation of bilateral asymmetry and rotatory dislocation.Atlantoaxial dislocation can
Directly or indirectly stimulation, compressing spinal cord, nerve and blood vessel, cause a series of diseases, classical symptom has: 1) occipitalia and neck pain
Bitterly；2) torticollis and neck movement are limited；3) upper spinal cord lesion can behave as whole-body muscle anxiety, and holding material is unstable or powerless；
Walking is powerless；Stool and urine is powerless；Limb muscle atrophy；Serious person may occur in which total paralysis；4) dizziness, tinnitus, blurred vision, chest
Bored, palpitaition and blood pressure raising etc..Atlantoaxial dislocation possibly even oppresses upper neck because incidence is slightly hurt or whiplash
Marrow, hard paralysis can occur suddenly in patient, or even breathe myoparalysis and dead, the timely diagnoses and treatment of need.
Treat atlantoaxial dislocation, it is necessary first to reset to atlas and axis, release spinal compression, then stable cervical vertebra closes
Section, prevents from dislocating again.Atlantoaxial dislocation parting can be divided into traction reduction type, operative reduction type and can not be three kinds of restoration type.Extensive region pivot
Vertebra position operation risk is very big, difficulty is high, achieves a series of achievements, but extensive region for the clinical research of atlantoaxial dislocation in recent years
Irreducible atlantoaxial dislocation, which still has, is difficult to reset the case where can not resetting of sum.In operative reduction, traditional atlas and axis operative reduction instrument
It has the following problems:
(1) traditional skull traction device is fixed in patient's skull, goes to draw by drawing outside weight, which head by
Power area stenosis, it appears it is heavy, original, and there are security risks；
(2) reset effect of cranium mode of traction is not very ideal, and cannot achieve accurate reset.
Summary of the invention
It is proposed by the present invention a kind of for extensive region for the problems of the towed reduction instrument of tradition in background technique
Auxiliary reset instrument of irreducible atlantoaxial dislocation and preparation method thereof, the reduction instrument combination digital medical simulation analysis and 3D printing skill
Art designs reduction instrument for the distribution of the biomethanics such as individual patients atlantoaxial dislocation parting characteristic and surrounding ligaments muscle,
To the safe and reliable accurate reset for realizing patient's atlas and axis, and it is subsequent fixed not influence atlas and axis.
The specific technical solution of the present invention is:
The present invention provides a kind of auxiliary reset instruments for atlantoaxial dislocation:
Including atlas sticking part, head sticking part, dentata sticking part and adjustment portion；
Adjustment portion includes support bridge, adjustable column and nut；
One end of support bridge and head sticking part are connected, and the other end and dentata sticking part are connected；
Adjustable column is inserted in the middle part of support bridge, adjustable column one end is connect with nut thread, and the adjustable column other end is bonded with atlas
Portion is fixedly connected；
The inner surface of atlas sticking part is adapted to completely with the atlas bone face of sufferer；
The inner surface of head sticking part is adapted to completely with the skull face of sufferer；
The inner surface of dentata sticking part is adapted to completely with the dentata bone face of sufferer；
The atlas sticking part, head sticking part, dentata sticking part use 3D printing method machine-shaping.It is rotated when use
Nut, so that adjustable column slides in support bridge, thus atlas sticking part, head sticking part, dentata sticking part stress pair
Atlantoaxial dislocation is resetted.
Further, in order to save making step, and ensure the precision of production, support bridge, adjusting in above-mentioned adjustment portion
Column is also integrally machined molding with atlas sticking part, head sticking part, dentata sticking part by the way of 3D printing.
Further, mach mode machine-shaping also can be used in support bridge, adjustable column in above-mentioned adjustment portion.
Further, for the patient of some rotatory dislocations, the adjusting direction of the adjustable column in the adjustment portion and human body
There is angle α between sagittal plane；90°≥α≥0°.The angle is determined according to the actual dislocation angle of patient.Wherein, human body sagittal
Face is human anatomy technical term, that is, is exactly that human body is divided into left and right two parts, left and right section is exactly human body sagittal plane.
Further, for the patient of some rotatory dislocations, the scheme of another reduction instrument is additionally provided, that is, is exactly
Make two groups of adjustment portions；Wherein, the angle in two groups of adjustment portions between adjustable column is acute angle.One group of adjustment portion is for carrying out front and back
Dislocation resets, and one group of adjustment portion is for carrying out rotatory dislocation reset.
Further, when support bridge, adjustable column are made of mach mode in adjustment portion, support bridge uses screw thread
The mode of connection is connected with head sticking part, dentata sticking part respectively；Adjustable column is bonded by the way of being threadedly coupled with atlas
Portion be connected, and the thread rotary orientation of adjustable column and nut be threadedly coupled with adjustable column and atlas sticking part it is oppositely oriented.
Further, in order to keep doctor's operation more convenient, above-mentioned nut may be selected hex nut also and band handle may be selected
Nut.
It is described based on the above-mentioned structure to the auxiliary reset instrument for atlantoaxial dislocation, now to the production side of reduction instrument
Method is introduced, and specifically includes following steps,
Step A1 establishes the threedimensional model of patient's head and vertebra；
Acquire atlantoaxial dislocation patient affected part medical image data, using medical image data processing software to acquire cure
It learns image data and carries out noise reduction, Threshold segmentation, three-dimensional reconstruction, reconstruction patients head and vertebra threedimensional model, reduction atlas and axis is de-
Position state and location information；
Step A2, using the threedimensional model, the reduction instrument model is designed；
The threedimensional model is imported into 3-matic software, based on patient's head, the bone face of atlas and axis and actual dislocation
Symptom characteristic, using 3-matic software, design can be bonded with the head that patient's head, atlas bone face, dentata bone face are bonded completely
Portion, atlas sticking part, dentata sticking part, and support bridge and adjustable column are designed simultaneously；
Step A3, using selective laser fusion technology or Selective Laser Sintering or fusion sediment technology to step
Atlas sticking part, head sticking part designed by A2, dentata sticking part, support bridge and adjustable column carry out 3D printing production, then
Carry out surface rubbing down, Thread Machining Process；
Step A4, it will carry out disinfection sterilization treatment by the part of A3 step production.
The beneficial effects of the present invention are:
1, the present invention makes atlas sticking part, head sticking part, dentata sticking part and human body bone by the way of 3D printing
Face is bonded completely, and broad contact area makes bone face uniform force and disperses, and greatly reduces bone discontinuity and part
The excessive and impaired risk of stress improves the reliability and safety of instrument.
2, the adjustment portion of the invention rotating nuts in operation application are after may make atlas and axis to reset, and nut and stud can
Realize self-locking, atlas and axis ligamentopexis can be implemented after fixed current reset state immediately, reset it is simple to operate, and will not be right
Subsequent atlas and axis ligamentopexis has an impact, and further promotes the safety and reliability of operation.
3, the present invention is by the way of two groups of adjustment portions or using dislocation before and after the adjusting direction of adjustable column and atlas and axis
Direction between the mode of angle is set, any one situation being applicable not only in atlas and axis anterior dislocation and rotatory dislocation is independent
Occur, is also applied for two kinds of situations of atlas and axis anterior dislocation and rotatory dislocation while occurring, improve the applicability of instrument.
4, reduction instrument of the invention is not take up operating bed and its peripheral space, no during carrying out operative reduction
The operation of clinician's normal surgical is influenced, operating space is greatly saved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of reduction instrument.
Fig. 2 is the first optimization structural schematic diagram of reduction instrument.
Fig. 3 is second of optimization structural schematic diagram of reduction instrument.
Appended drawing reference is as follows:
1- atlas sticking part, 2- head sticking part, 3- dentata sticking part, 4- adjustment portion 5- support bridge, 6- adjustable column, 7- spiral shell
It is female.
Specific embodiment
Reduction instrument and production method of the invention are further described below by embodiment and attached drawing:
Embodiment:
Structure
As shown in Figure 1, a kind of auxiliary reset instrument for atlantoaxial dislocation, including atlas sticking part 1, head sticking part
2, dentata sticking part 3 and adjustment portion 4；Adjustment portion 4 includes support bridge 5, adjustable column 6 and nut 7；One end of support bridge 5 with
Head sticking part 2 is connected, and the other end and dentata sticking part 3 are connected；
Adjustable column 6 is inserted in the middle part of support bridge 5,6 one end of adjustable column is threadedly coupled with nut 7,6 other end of adjustable column and atlas
Sticking part 1 is fixedly connected；The inner surface of atlas sticking part 1 is adapted to completely with the atlas bone face of sufferer；The interior table of head sticking part 2
Face is adapted to completely with the skull face of sufferer；The inner surface of dentata sticking part 3 is adapted to completely with the dentata bone face of sufferer；
Wherein, atlas sticking part 1, head sticking part 2, dentata sticking part 3 use 3D printing method machine-shaping, adjustment portion
Middle support bridge, adjustable column use mach mode machine-shaping.
Or support bridge 5 and adjustable column 6 are equal in atlas sticking part 1, head sticking part 2, dentata sticking part 3, adjustment portion 4
It is integrally formed by the way of 3D printing.
Based on above structure, the present embodiment additionally provides optimization design:
There is the patient of rotatory dislocation again for some existing front and backs dislocations, while in order to easy to make, providing two kinds of instruments
Structure:
As shown in Fig. 2, having angle α in 1, adjustment portion between the adjusting direction and human body sagittal plane of adjustable column 6；90°≥α
≥0°.The angle is determined according to the actual dislocation angle of patient.
As shown in figure 3,2, reduction instrument includes two groups of adjustment portions 4；Wherein, the folder in two groups of adjustment portions 4 between adjustable column 6
Angle is acute angle.One group of adjustment portion is resetted for carrying out front and back dislocation, and one group of adjustment portion is for carrying out rotatory dislocation reset.
3, further, when support bridge 5, adjustable column 6 are made of mach mode in adjustment portion, support bridge 5 is adopted
The mode being threadedly coupled is connected with head sticking part 2, dentata sticking part 3 respectively；Adjustable column 6 using be threadedly coupled by the way of with
Atlas sticking part 1 is connected, and the rotation that the thread rotary orientation of adjustable column 6 and nut 7 is threadedly coupled with adjustable column 6 and atlas sticking part 1
To opposite.
4, in order to keep doctor's operation more convenient, hex nut, which may be selected, in above-mentioned nut 7 also may be selected the nut with handle.
Production method
Step A1 establishes the threedimensional model of patient's head and vertebra；
It acquires atlantoaxial dislocation patient affected part medical image data (including but not limited to CT data), utilizes medical image number
Noise reduction, Threshold segmentation, three-dimensional are carried out to acquired medical image data according to processing software (including but not limited to Mimi cs software)
The operation such as reconstruction, reconstruction patients head and vertebra (including at least atlas and dentata) threedimensional model, restores atlantoaxial dislocation state
With the information such as position；
Step A2, using the threedimensional model, the reduction instrument model is designed；
The threedimensional model that step A1 is rebuild imports 3-matic software, based on patient's head, the bone face of atlas and axis and reality
The dislocation symptom characteristic on border, using 3-matic software, design can be bonded completely with patient's head, atlas bone face, dentata bone face
Head sticking part, atlas sticking part, dentata sticking part, and support bridge and adjustable column are designed simultaneously；
Step A3, selective laser fusion technology (SLM), Selective Laser Sintering (SLS) or fusion sediment are utilized
Technology (FDM) carries out 3D printing production to personalization support bridge designed by step 2 and atlas connector, then carries out surface throwing
The post-processing such as mill, screw thread process；
Step A4, it will carry out disinfection sterilization treatment by the part of A3 step production.
Application method
Step B1, in operation, first with head frame adjustment head and cervical vertebra location status, so that handled by step A4
Reduction instrument can be bonded with the skull face of patient, dentata bone face and atlas bone face completely respectively；
Step B2, it when reduction instrument needs fixed, drills in patient's skull suitable position, is perforated and wound using steel wire
Fixed support bridge and head sticking part utilize the fixed support bridge of steel wire winding and dentata sticking part, atlas sticking part；
Step B3, after the fitting of reduction instrument each section, fixing, tighten nut, continue to rotate, drive atlas mobile and
Rotation is implemented atlas and axis ligamentopexis, is treated to the atlantoaxial dislocation of patient after atlas reset.
Claims (8)
1. a kind of auxiliary reset instrument for atlantoaxial dislocation, it is characterised in that:
Including atlas sticking part, head sticking part, dentata sticking part and adjustment portion；
Adjustment portion includes support bridge, adjustable column and nut；
One end of support bridge and head sticking part are connected, and the other end and dentata sticking part are connected；
Adjustable column is inserted in the middle part of support bridge, adjustable column one end is connect with nut thread, and the adjustable column other end and atlas sticking part are solid
Fixed connection；
The inner surface of atlas sticking part is adapted to completely with the atlas bone face of sufferer；
The inner surface of head sticking part is adapted to completely with the skull face of sufferer；
The inner surface of dentata sticking part is adapted to completely with the dentata bone face of sufferer；
The atlas sticking part, head sticking part, dentata sticking part use 3D printing method machine-shaping.
2. the auxiliary reset instrument according to claim 1 for atlantoaxial dislocation, it is characterised in that: in the adjustment portion
The machine-shaping by the way of 3D printing of support bridge, adjustable column.
3. the auxiliary reset instrument according to claim 1 for atlantoaxial dislocation, it is characterised in that: supported in adjustment portion
Bridge, adjustable column use mach mode machine-shaping.
4. the auxiliary reset instrument according to claim 2 or 3 for atlantoaxial dislocation, it is characterised in that:
There is angle α between the adjusting direction and human body sagittal plane of adjustable column in the adjustment portion；90°≥α≥0°.
5. the auxiliary reset instrument according to claim 2 or 3 for atlantoaxial dislocation, it is characterised in that:
The adjustment portion is two groups；
Wherein, the angle in two groups of adjustment portions between adjustable column is acute angle.
6. the auxiliary reset instrument according to claim 3 for atlantoaxial dislocation, it is characterised in that: the support bridge is adopted
The mode being threadedly coupled is connected with head sticking part, dentata sticking part respectively；Adjustable column using be threadedly coupled by the way of and extensive region
Vertebra sticking part be connected, and the thread rotary orientation of adjustable column and nut be threadedly coupled with adjustable column and atlas sticking part it is oppositely oriented.
7. the auxiliary reset instrument according to claim 5 for atlantoaxial dislocation, it is characterised in that: the nut is six
Angle nut or nut with handle.
8. a kind of production method based on the auxiliary reset instrument for being used for atlantoaxial dislocation described in claim 2, it is characterised in that:
Include the following steps,
Step A1 establishes the threedimensional model of patient's head and vertebra；
Atlantoaxial dislocation patient affected part medical image data is acquired, using medical image data processing software to acquired medicine shadow
As data carry out noise reduction, Threshold segmentation, three-dimensional reconstruction, reconstruction patients head and vertebra threedimensional model, reduction atlantoaxial dislocation shape
State and location information；
Step A2, using the threedimensional model, the reduction instrument model is designed；
The threedimensional model is imported into 3-matic software, based on patient's head, the bone face of atlas and axis and actual dislocation symptom
Feature, using 3-matic software, design the head sticking part that can be bonded completely with patient's head, atlas bone face, dentata bone face,
Atlas sticking part, dentata sticking part, and support bridge and adjustable column are designed simultaneously；
Step A3, using selective laser fusion technology or Selective Laser Sintering or fusion sediment technology to step A2 institute
It designs atlas sticking part, head sticking part, dentata sticking part, support bridge and adjustable column and carries out 3D printing production, then carry out
Surface rubbing down, Thread Machining Process；
Step A4, it will carry out disinfection sterilization treatment by the part of A3 step production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910104130.2A CN109700517B (en) | 2019-02-01 | 2019-02-01 | Auxiliary resetting device for atlantoaxial dislocation and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910104130.2A CN109700517B (en) | 2019-02-01 | 2019-02-01 | Auxiliary resetting device for atlantoaxial dislocation and manufacturing method thereof |
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| CN109700517A true CN109700517A (en) | 2019-05-03 |
| CN109700517B CN109700517B (en) | 2024-03-19 |
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| CN202724045U (en) * | 2011-12-28 | 2013-02-13 | 北京爱康宜诚医疗器材股份有限公司 | Atlas fusion prosthesis |
| CN102784001A (en) * | 2012-09-10 | 2012-11-21 | 董大明 | Posterior atlantoaxial resetting device |
| CN203089338U (en) * | 2013-01-30 | 2013-07-31 | 广州军区广州总医院 | Atlantoaxial anterior approach restoration inner fixing device |
| CN104434287A (en) * | 2014-12-25 | 2015-03-25 | 南方医科大学南方医院 | Anterior cervical and craniocervical fixing device |
| CN204410945U (en) * | 2014-12-25 | 2015-06-24 | 南方医科大学南方医院 | The anterior approach cranium neck fixture improved |
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| CN105213007A (en) * | 2015-10-23 | 2016-01-06 | 西安交通大学第二附属医院 | Template is dissected on a kind of front road of self-resetting atlantoaxial dislocation |
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| US20180110549A1 (en) * | 2016-10-21 | 2018-04-26 | Essence Medical Devices Co., Ltd. | Vertebral lamina supporting device |
| CN107822747A (en) * | 2017-09-22 | 2018-03-23 | 牛国旗 | A kind of 3D printing Occipitocervical fussion fixing device |
| CN108378915A (en) * | 2018-02-09 | 2018-08-10 | 北京奥精医药科技有限公司 | A kind of preceding road fixed plate of atlas and axis and preparation method |
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