CN204600658U - The cervical lateral mass screw guiding that 3D prints implants plate - Google Patents
The cervical lateral mass screw guiding that 3D prints implants plate Download PDFInfo
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- CN204600658U CN204600658U CN201520190024.8U CN201520190024U CN204600658U CN 204600658 U CN204600658 U CN 204600658U CN 201520190024 U CN201520190024 U CN 201520190024U CN 204600658 U CN204600658 U CN 204600658U
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- 239000007943 implant Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 142
- 230000008569 process Effects 0.000 claims abstract description 133
- 238000010146 3D printing Methods 0.000 claims abstract description 5
- 230000008719 thickening Effects 0.000 claims description 2
- 238000002513 implantation Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000003872 anastomosis Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000004141 dimensional analysis Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 208000007623 Lordosis Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
This utility model is that the cervical lateral mass screw guiding that a kind of 3D prints implants plate, and this implantation plate is printed by 3D printing technique, comprises one or a few blocks guide plate, and one to several lateral mass screw guide pin road, guide plate central authorities or side arrange one to several spinous process hole; Described guide plate top is a plane, bottom curved surface and cervical lateral mass and vertebral plate oppositely consistent; Bottom guide plate, curved surface is unanimously outside lateral mass, and guide plate upper plane extends to nail road and extend 2-5mm again after the outlet of upper plane.When guide plate number is polylith, between guide plate, be provided with connecting elements.Another for ensureing the locking pin that stability that guiding implants plate arranges number and do not wait on guide plate, other in spinous process hole fixation clamp is set.This utility model is simple and reasonable, easy to use, effectively for inserting of cervical lateral mass screw provides into nail guide pin road, can ensure the accuracy (direction and the degree of depth) into nail, reduces the difficulty of operation and the risk of operation.
Description
Technical field
This utility model belongs to cervical posterior approach introductory medical apparatus and instruments, is particularly related to the cervical lateral mass screw guiding implantation plate that 3D prints.
Background technology
At present clinically, the posterior approach for the cervical diseases of patient is treated, and the art formula often considered comprises the decompression operation of posterior cervical " single open-door " or " double door " Laminoplasty or different modes.In operation, for keeping the physiology lordosis of the stable of cervical vertebra motion segment and maintenance cervical vertebra, usually while decompression, the internal fixtion following closely excellent internal fixation system with cervical lateral mass is added, and the lateral mass screw of connection metal rod is manyly walked in posterior cervical lateral mass, lateral mass screw enter to follow closely direction and angle has strict demand, enter to follow closely the inaccurate of direction and may cause expendable wound to patient, the grasp of therefore entering to follow closely direction and the degree of depth to lateral mass screw is very crucial, also very high to the requirement of Doctors' skill, be badly in need of wanting a kind of assistive device to carry out assist physician continuation lateral mass screw and enter nail, to reach the object reducing operation risk.
At present along with the progress of 3D printing technique, at medical domain, people attempt mode reverse engineering combined with 3D printing technique, the equipment such as CT or nuclear magnetic resonance, NMR (MRI) is utilized to gather the shape data at the positions such as human organ, skeleton, joint, reconstruction of three-dimensional digital model, then with 3D printing type manufacture teaching and referential model of performing the operation, be usually used in helping to manufacture artificial limb or carry out surgical repair, because of high with the anastomose property at the position such as organ, skeleton, joint, application constantly increased.It is also not very universal that current existence utilizes this kind of mode to prepare Thoracolumbar disk pedicle screw guiding die plate, but also do not find that utilizing this technology to carry out cervical lateral mass screw enters to follow closely the apparatus led.And prior art exists and is used for pedicle screw and enters the navigation template irregular structure of device of nail guiding and thinner, easily rupture, without fixture after placing, the accuracy feeding nail impacts.
And posterior cervical lateral mass screw fixed guider and screw fixing means patent, be only the square structure containing 1 locating hole, and do not use inconvenience with vertebral plate matching.Needs to continuous polylith cervical lateral mass enter nail fix time, also there is many irrational places in prior art.Therefore the individuation lateral mass screw guiding die plate that the anastomose property needing a kind of 3D of application printing technique to prepare is strong.
This utility model pin enters the device problem of nail guiding for not having rationally effective cervical lateral mass screw, there is provided a kind of rational in infrastructure, use simple, can very well for cervical lateral mass screw leads, and effectively can enter nail guiding to 1 piece to polylith cervical lateral mass, the medical apparatus and instruments entering nail guiding to bilateral or one-sided cervical lateral mass can be realized.
Utility model content
Well nail guiding can not be entered to cervical lateral mass screw in order to overcome existing technology, the problem that can not lead to polylith cervical lateral mass, the purpose of this utility model is to provide cervical vertebra (neck 3-neck 7) the lateral mass screw guiding implantation plate that a kind of 3D that can solve the problem prints.
The purpose of this utility model is achieved through the following technical solutions:
The cervical lateral mass screw guiding that 3D prints implants a plate, and comprise one or a few blocks guide plate, one to several lateral mass screw guide pin road be arranged on guide plate, described guide plate is also arranged one to several spinous process hole; Described guide plate top is a plane, and bottom guide plate, curved surface and vertebral plate are oppositely consistent; Bottom guide plate, side extends to outside lateral mass, and guide plate upper plane is vertically thickening of base plane.It is consistent that direction, guide pin road and lateral mass screw enter direction, Ding Ding road, and axis, guide pin road is through entering Ding Ding road entry point; Between polylith guide plate, connecting elements is set; Spinous process hole is used for the insertion of spinous process.Guide pin road provides into nail guide channel for lateral mass screw, lateral mass screw can be made accurately to enter lateral mass, prevent the fracture of lateral mass; The plane on guide plate top can make operation technique be more prone to.Spinous process inserts spinous process hole makes implantation plate stability increase.
Further, the guide plate number described in such scheme is set to one or more mode,
Guide plate number is the technical scheme of a piece:
Further, described guide plate can cover 1-5 (neck 3-neck 7) lateral mass continuously, can realize the object of simultaneously performing the operation to continuous multiple lateral mass.
Further, described guide plate is arranged the lateral mass screw guide pin road corresponding with covering lateral mass number and spinous process hole.Described spinous process hole is arranged on guide plate central authorities, arranges 1-5 spinous process hole; Described lateral mass screw guide pin road is arranged on both sides, spinous process hole, arranges 1-5 to guide pin road (individuation controls inserting needle direction and the degree of depth), can realize the object led to the multiple lateral mass screw of bilateral.
Or described spinous process hole is arranged on guide plate side, 1-5 spinous process hole is set; Described lateral mass screw guide pin road (individuation controls inserting needle direction and the degree of depth) is arranged at by spinous process hole, arranges 1-5 guide pin road, can realize the object that one-sided boil on the nape opposite the mouth lateral mass screw carries out leading.
Technical scheme when guide plate number is polylith is:
Further, described guide plate number arranges 1-5 block, and each guide plate can cover a cervical lateral mass, each guide plate is arranged one or a pair lateral mass screw guide pin road and a spinous process hole, has been provided with the connecting elements of interconnect function between two guide plates.
Further, described spinous process hole is positioned at each guide plate central authorities, and each guide plate is arranged 1 to described lateral mass screw guide pin road, described guide pin road is arranged on both sides, spinous process hole; Or described spinous process hole is positioned at each guide plate side, each guide plate is arranged 1 described lateral mass screw guide pin road, described lateral mass screw guide pin road is arranged at by spinous process hole.
Further, described connecting elements for connecting two adjacent guide plates, connecting elements scalable, the position of each vertebral plate that more easily coincide when making operation.
Further, connecting elements comprises and is arranged at the connecting hole on guide plate and the syndeton between guide plate, syndeton is to play arbitrarily the material of interconnect function, wherein be preferably soft steel bar or nylon rope, this arranges the distance that can regulate between guide plate, angle also between adjustable guide plate, applies convenient during operation.
On the plan of establishment basis of above-mentioned one piece of guide plate and several piece guide plate, optimize utility model scheme further:
Further, described spinous process hole shape and spinous process form fit, the internal diameter in spinous process hole is consistent with the external diameter of spinous process, and spinous process hole is effectively enclosed within spinous process.
Further, the distance of described guide plate upper plane and bottom curved surface peak is 2-5mm.
Further, guide plate is also arranged one to several staple, staple arranges different numbers because guide plate varies in size, guide plate arranges 2-4 root staple when can cover one piece of cervical lateral mass, guide plate arranges 4-8 root staple when can cover 2 pieces or 3 pieces of cervical lateral masses, staple is arranged on the position in lateral mass screw guide pin road, but without lateral mass screw guide pin road, and guide plate middle edge position.Arranging of staple effectively can ensure that guide plate coincide and stability on cervical lateral mass.
Further, described spinous process hole site is provided with spinous process fixation clamp, and fixation clamp is elastic fixing clip, can in use tightly clamp spinous process, guide plate and cervical lateral mass are fitted more, stable.
Further, position, described lateral mass screw guide pin road is provided with nail road buckle, and buckle controls the center that screw is in nail road, and the screw of scalable different size is accurately by lateral mass screw guide pin road.
The preparation method that the invention also discloses the cervical lateral mass screw guiding implantation plate that described 3D prints is,
Step 1: the initial data being obtained patients with cervical motion segment (neck 3-neck 7) by the scanning technique such as thin-layer CT or nuclear magnetic resonance, NMR;
Step 2: utilize three-dimensional reconstruction software, sets up the threedimensional model of cervical vertebra motion segment, and to neck 3-neck 7 lateral mass screw enter Ding Ding road entry point, enter to follow closely direction and spinous process external diameter carries out three dimensional analysis;
Step 3: to the threedimensional model of lateral mass, enter Ding Ding road entry point and enter to follow closely direction and carry out reverse matching, form a fitting surface coincide with neck 3-neck 7 lateral mass, it have lateral mass screw guide pin road junction and spinous process aperture;
Step 4: curved surface is oppositely thickened, each point is made to thicken in a plane, lateral mass screw guide pin road junction oppositely extends along entering to follow closely direction, another opening is formed in the plane, spinous process aperture extends along spinous process size, form another spinous process aperture in the plane, set up the threedimensional model that neck 3-neck 7 cervical lateral mass screw guiding implants plate;
Step 5: three-dimensional modeling data guiding being implanted plate imports 3D printer, loads printed material, prints guiding and implants plate.
Further, described enter Ding Ding road entry point in lateral mass mid point on 2-3mm, direction is: be inclined upwardly parallel with superior articular process's articular surface, outward-dipping 25 degree, screw runs through front and back cortical bone, and tip is positioned at the upper outside (Magerl technology) before articular process.
Further, the fitting surface described in described method step 3 is bottom spinous process place matching to spinous process.
Further, the plan range curved surface peak that each point described in described method step 4 thickens is 2-5mm.
During use, after operation is windowed or sham operated time, implantation plate is placed on corresponding neck 3-neck 7 lateral mass, is holed on cervical lateral mass by lateral mass screw guide pin road, boring terminate after taking off guiding implant plate, the use of complete twin installation.
Compared with prior art, the beneficial effects of the utility model are: it is better, more stable with cervical lateral mass fitness that the arranging of spinous process hole can make guiding implant when plate uses, and during matching without matching to spinous process top, minimizing matching difficulty; The setting in guide plate size and different number lateral mass screw guide pin road reaches the guiding to different number and not homonymy lateral mass screw; The setting of guide plate upper plane, makes operation more easily simple; The setting of staple and spinous process fixation clamp can make device use more stable; Lateral mass screw guide pin road buckle the accuracy that can effectively ensure into nail direction and the degree of depth (two cortex is fixed) is set; Convenient adjustment when the setting of syndeton makes operation, can give each lateral mass matching faster.
Accompanying drawing explanation
Fig. 1 is this utility model embodiment 1 structural representation;
Fig. 2 this utility model embodiment 2 structural representation;
Fig. 3 this utility model embodiment 3 structural representation;
Fig. 4 this utility model embodiment 4 structural representation;
Fig. 5 this utility model embodiment 5 structural representation;
Fig. 6 this utility model embodiment 6 structural representation;
In figure, 1, guide plate; 11, guide plate upper plane; 12, curved surface bottom guide plate; 2, lateral mass screw guide pin road; 3, spinous process hole; 31, fixation clamp; 4, staple; 51, connecting hole; 52, soft metal bar.
Detailed description of the invention
The cervical lateral mass screw guiding that embodiment 1 3D prints implants plate structure
The cervical lateral mass screw guiding that 3D prints implants a plate, comprises an entity guide plate 1, and the large I of guide plate 1 covers 1 cervical lateral mass; 1 is arranged at the lateral mass screw guide pin road 2 on guide plate 1, guide plate 1 is also arranged 1 spinous process hole 3; Spinous process hole 3 is positioned at guide plate 1 side, and it is other that lateral mass screw guide pin road 2 is arranged at spinous process hole 3, and it is consistent that direction, lateral mass screw guide pin road 2 and lateral mass screw enter direction, Ding Ding road, and by lateral mass screw guide pin road 2, screw accurately can enter lateral mass.Guide plate 1 top is a plane 11, and bottom guide plate 1, curved surface 12 is oppositely consistent with operation vertebral plate; Bottom guide plate 1 outside curved surface 12 side to lateral mass, side is to the opposite side of spinous process, and bottom guide plate, curved vertical thickens to guide plate upper plane.Spinous process hole 3 shape is consistent with spinous process shape, and the internal diameter in spinous process hole 3 moves consistent with the external diameter of spinous process, and spinous process hole 3 can effectively be enclosed within spinous process.Guide plate 1 upper plane 11 is 3mm with the distance of bottom curved surface 12 peak.The material of guide plate 1 is medical resin.
During use, after operation is windowed or sham operated time, guide plate is placed on corresponding neck 3-neck 7 lateral mass, is holed on cervical lateral mass by lateral mass screw guide pin road 2, boring terminate after taking off guiding implant plate, the use of complete twin installation.
The cervical lateral mass screw guiding that embodiment 2 3D prints implants plate structure
The cervical lateral mass screw guiding that 3D prints implants a plate, comprises an entity guide plate 1, and the large I of guide plate 1 covers 1 cervical lateral mass; 2 are arranged at the lateral mass screw guide pin road 2 on guide plate 1, guide plate 1 are also arranged 1 spinous process hole 3; Spinous process hole 3 is positioned at guide plate 1 central authorities, and 2 lateral mass screw guide pin roads 2 are arranged on both sides, spinous process hole 3, and it is consistent that direction, lateral mass screw guide pin road 2 and lateral mass screw enter direction, Ding Ding road, and by lateral mass screw guide pin road 2, screw accurately can enter lateral mass.Guide plate 1 top is a plane 11, and bottom guide plate 1, curved surface 12 can be oppositely consistent with operation vertebral plate; Bottom guide plate 1, curved surface 12 extends to outside the lateral mass of both sides, and bottom guide plate, curved vertical thickens to guide plate upper plane.Spinous process hole 3 shape is consistent with spinous process shape, and the internal diameter in spinous process hole 3 moves consistent with the external diameter of spinous process, and spinous process hole 3 is effectively enclosed within spinous process.Guide plate 1 upper plane 11 is 4mm with the distance of bottom curved surface 12 peak.Guide plate 1 also being arranged 4 staples 4,2 is arranged on the position in lateral mass screw guide pin road 2,2 guide plate 1 middle edge positions.Arranging of staple 4 effectively can ensure that guide plate 1 coincide and stability on cervical lateral mass.The material of guide plate 1 is medical resin.
During use, after decompression or sham operated time, implantation plate is placed on corresponding neck 3-neck 7 lateral mass, is holed on cervical lateral mass by lateral mass screw guide pin road 2, boring terminate after taking off guiding implant plate, the use of complete twin installation.
The cervical lateral mass screw guiding that embodiment 3 3D prints implants plate structure
The cervical lateral mass screw guiding that 3D prints implants a plate, comprises an entity guide plate 1, and the large I of guide plate 1 covers three cervical lateral masses; 3 are arranged at the lateral mass screw guide pin road 2 on guide plate 1, guide plate 1 are also arranged 3 spinous process holes 3; Spinous process hole 3 is positioned at guide plate 1 side, and lateral mass screw guide pin road 2 is arranged at the opposite side of guide plate 1, and it is consistent that direction, lateral mass screw guide pin road 2 and lateral mass screw enter direction, Ding Ding road, and by lateral mass screw guide pin road 2, screw accurately can enter lateral mass.Guide plate 1 top is a plane 11, and bottom guide plate 1, curved surface 12 is oppositely consistent with operation vertebral plate; Bottom guide plate 1 outside curved surface 12 side to lateral mass, side is to the opposite side of spinous process, and bottom guide plate, curved vertical thickens to guide plate upper plane.Spinous process hole 3 shape is consistent with corresponding spinous process shape respectively, and the internal diameter in spinous process hole 3 moves consistent with the external diameter of spinous process, and spinous process hole 3 can effectively be enclosed within spinous process.Guide plate 1 upper plane 11 is 3mm with the distance of bottom curved surface 12 peak.The material of guide plate 1 is medical resin.Guide plate 1 also being arranged 6 staples 4,3 is arranged on the position in corresponding lateral mass screw guide pin road 2, and 3 are arranged on side, corresponding spinous process hole 3.Arranging of staple 4 effectively can ensure that guide plate 1 coincide and stability on cervical lateral mass.Position, each spinous process hole 3 is provided with spinous process fixation clamp 31, and fixation clamp 31 is elastic fixing clip 31, can in use tightly clamp spinous process, guide plate 1 and cervical lateral mass are fitted more, stable.
During use, after operation is windowed or sham operated time, implantation plate is placed on corresponding cervical lateral mass, is holed on cervical lateral mass by lateral mass screw guide pin road 2, boring terminate after taking off guiding implant plate, the use of complete twin installation.
The cervical lateral mass screw guiding that embodiment 4 3D prints implants plate structure
The cervical lateral mass screw guiding that 3D prints implants a plate, comprises an entity guide plate 1, and the large I of guide plate 1 covers 3 cervical lateral masses; 6 are arranged at the lateral mass screw guide pin road 2 on guide plate 1, guide plate 1 are also arranged 3 spinous process holes 3; Spinous process hole 3 is positioned at guide plate 1 central authorities, and 6 lateral mass screw guide pin roads 2 are arranged on both sides, spinous process hole 3, and it is consistent that direction, lateral mass screw guide pin road 2 and lateral mass screw enter direction, Ding Ding road, and by lateral mass screw guide pin road 2, screw accurately can enter lateral mass.Guide plate 1 top is a plane 11, and bottom guide plate 1, curved surface 12 can be oppositely consistent with operation vertebral plate; Bottom guide plate 1, curved surface 12 extends to outside the lateral mass of both sides, and bottom guide plate, curved vertical thickens to guide plate upper plane.Spinous process hole 3 shape is consistent with spinous process shape, and the internal diameter in spinous process hole 3 moves consistent with the external diameter of spinous process, and spinous process hole 3 is effectively enclosed within spinous process.Guide plate 1 upper plane 11 is 4mm with the distance of bottom curved surface 12 peak.Guide plate 1 also being arranged 8 staples 4,6 is arranged on the position in corresponding lateral mass screw guide pin road 2,2 guide plate 1 middle edge positions.Arranging of staple 4 effectively can ensure that guide plate 1 coincide and stability on cervical lateral mass.Position, spinous process hole 3 is provided with spinous process fixation clamp 31, and fixation clamp 31 is elastic fixing clip 31, can in use tightly clamp spinous process, guide plate 1 and cervical lateral mass are fitted more, stable.Position, lateral mass screw guide pin road 2 is provided with lateral mass screw guide pin road 2 buckle, and buckle controls the center that screw is in nail road, and the screw of scalable different size is accurately by lateral mass screw guide pin road 2.The material of guide plate 1 is medical resin.
During use, after operation is windowed or sham operated time, implantation plate is placed on corresponding cervical lateral mass, is holed on cervical lateral mass by lateral mass screw guide pin road 2, boring terminate after taking off guiding implant plate, the use of complete twin installation.
The cervical lateral mass screw guiding that embodiment 5 3D prints implants plate structure
The cervical lateral mass screw guiding that a kind of 3D prints implants plate, comprise 5 pieces of guide plates 1, each guide plate 1 is arranged a spinous process hole 3 and a lateral mass screw guide pin road 2, spinous process hole 3 is positioned at guide plate 1 side, it is other that lateral mass screw guide pin road 2 is arranged at spinous process hole 3, it is consistent that direction, lateral mass screw guide pin road 2 and lateral mass screw enter direction, Ding Ding road, and by lateral mass screw guide pin road 2, screw accurately can enter lateral mass.Guide plate side is provided with connecting hole, arranges and connect soft metal bar in connecting hole; Guide plate 1 top is a plane 11, bottom guide plate 1 curved surface 12 can with operation vertebral plate reverse matching; Bottom guide plate 1, curved surface 12 side extends to outside lateral mass, and side extends to by spinous process, and guide plate 1 upper plane 11 side extends to lateral mass screw guide pin road 2 behind upper plane 11 exit, then the 4mm that stretches out, and opposite side extends to by spinous process.Spinous process hole 3 shape is consistent with spinous process shape, and the internal diameter in spinous process hole 3 moves consistent with the external diameter of spinous process, and spinous process hole 3 is effectively enclosed within spinous process.Guide plate 1 upper plane 11 is 4mm with the distance of bottom curved surface 12 peak.Each guide plate 1 is arranged 2 staples, one is arranged on the position in corresponding lateral mass screw guide pin road 2, and one is arranged on side, spinous process hole.Arranging of staple effectively can ensure that guide plate 1 coincide and stability on cervical lateral mass.Position, spinous process hole 3 is provided with spinous process fixation clamp, and fixation clamp is elastic fixing clip, can in use tightly clamp spinous process, guide plate 1 and cervical lateral mass are fitted more, stable.Position, lateral mass screw guide pin road 2 is provided with lateral mass screw guide pin road 2 buckle, and buckle controls the center that screw is in nail road, and the screw of scalable different size is accurately by lateral mass screw guide pin road 2.The material of guide plate 1 is medical resin.
During use, after operation is windowed or sham operated time, implantation plate is placed on corresponding cervical lateral mass, is holed on cervical lateral mass by lateral mass screw guide pin road 2, boring terminate after taking off guiding implant plate, the use of complete twin installation.
The cervical lateral mass screw guiding that embodiment 6 3D prints implants plate structure
The cervical lateral mass screw guiding that a kind of 3D prints implants plate, comprise 5 pieces of guide plates 1, each guide plate 1 is arranged a spinous process hole 3 and a pair lateral mass screw guide pin road 2, spinous process hole 3 is positioned at guide plate 1 central authorities, lateral mass screw guide pin road 2 is arranged on both sides, spinous process hole 3, it is consistent that direction, lateral mass screw guide pin road 2 and lateral mass screw enter direction, Ding Ding road, and by lateral mass screw guide pin road 2, screw accurately can enter lateral mass.Guide plate side is provided with connecting hole, arranges and connect soft metal bar in connecting hole; Guide plate 1 top is a plane 11, bottom guide plate 1 curved surface 12 can with operation vertebral plate reverse matching; Bottom guide plate 1, curved surface 12 extends to outside the lateral mass of both sides, and guide plate 1 upper plane 11 extends to lateral mass screw guide pin road, both sides 2 behind upper plane 11 exit, then the 4mm that stretches out.Spinous process hole 3 shape is consistent with spinous process shape, and the internal diameter in spinous process hole 3 moves consistent with the external diameter of spinous process, and spinous process hole 3 is effectively enclosed within spinous process.Guide plate 1 upper plane 11 is 4mm with the distance of bottom curved surface 12 peak.Guide plate 1 also being arranged 8 staples 4,6 is arranged on the position in corresponding lateral mass screw guide pin road 2,2 guide plate 1 middle edge positions.Arranging of staple 4 effectively can ensure that guide plate 1 coincide and stability on cervical lateral mass.Position, spinous process hole 3 is provided with spinous process fixation clamp 31, and fixation clamp 31 is elastic fixing clip 31, can in use tightly clamp spinous process, guide plate 1 and cervical lateral mass are fitted more, stable.Position, lateral mass screw guide pin road 2 is provided with lateral mass screw guide pin road 2 buckle, and buckle controls the center that screw is in nail road, and the screw of scalable different size is accurately by lateral mass screw guide pin road 2.The material of guide plate 1 is medical resin.
During use, after operation is windowed or sham operated time, implantation plate is placed on corresponding cervical lateral mass, is holed on cervical lateral mass by lateral mass screw guide pin road 2, boring terminate after taking off guiding implant plate, the use of complete twin installation.
The cervical lateral mass screw guiding that embodiment 7 3D prints implants the preparation method of plate
The preparation method that the cervical lateral mass screw guiding that 3D prints implants plate is,
Step 1: the initial data being obtained patients with cervical neck 3-neck 7 motion segment by the scanning technique such as CT or nuclear magnetic resonance, NMR;
Step 2: utilize three-dimensional reconstruction software, sets up the threedimensional model of Cervical 3-neck 7 motion segment, and to lateral mass enter Ding Ding road and spinous process external diameter carries out three dimensional analysis;
Step 3: to the threedimensional model of Cervical 3-neck 7 motion segment and enter Ding Ding road and carry out reverse matching, forms a fitting surface 12 coincide with Cervical 3-neck 7 lateral mass and vertebral plate, it has 2 mouthfuls, lateral mass screw guide pin road and 3 mouthfuls, spinous process hole; Fitting surface 12 is bottom spinous process place matching to spinous process.
Step 4: curved surface 12 is oppositely thickened, make each point thicken in a plane 11, entering Ding Ding road oppositely extends, and another opening is formed in plane 11, spinous process hole 3 opening's edge spinous process size extends on guide plate and forms spinous process hole 3, sets up the threedimensional model that cervical lateral mass screw guiding implants plate; Plane 11 Distance surface 12 peak that each point thickens is 2-5mm.
Step 5: the three-dimensional modeling data that guiding implants plate is imported three D printers, loads printed material, prints guiding and implants plate.
Print cervical lateral mass screw guiding implant plate perform the operation altogether or sham operated time use.
The explanation of above-described embodiment is just for understanding this utility model.It should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from this utility model principle, can also carry out some improvement to this utility model, these improvement also will fall in the protection domain of this utility model claim.
Claims (10)
1. the cervical lateral mass screw guiding of a 3D printing implants plate, comprise one or a few blocks guide plate (1), one to several lateral mass screw guide pin road (2) be arranged on guide plate (1), guide plate (1) is also arranged one to several spinous process hole (3) for inserting spinous process; Described guide plate (1) top is a plane (11), and bottom guide plate, curved surface (12) is oppositely consistent with vertebral plate; Curved surface (12) side, guide plate (1) bottom extends to outside lateral mass, guide plate upper plane (11) vertically thickening for bottom curved surface; It is consistent that lateral mass screw guide pin road (2) direction and lateral mass screw enter direction, Ding Ding road, and lateral mass screw guide pin road (2) axis is through entering Ding Ding road entry point; Polylith guide plate arranges connecting elements between (1).
2. the cervical lateral mass screw guiding that 3D according to claim 1 prints implants plate, it is characterized in that, described guide plate (1) number is one piece, guide plate (1) can cover the continuous cervical lateral mass of 1-5 block, guide plate is arranged the lateral mass screw guide pin road (2) corresponding with covering lateral mass number and spinous process hole (3).
3. the cervical lateral mass screw guiding that 3D according to claim 2 prints implants plate, it is characterized in that, described spinous process hole (3) is positioned at guide plate (1) side, 1-5 spinous process hole (3) is set, it is other that described lateral mass screw guide pin road (2) is arranged at spinous process hole (3), arranges 1-5 guide pin road (2).
4. the cervical lateral mass screw guiding that 3D according to claim 2 prints implants plate, it is characterized in that, described spinous process hole (3) is positioned at guide plate (1) central authorities, 1-5 spinous process hole (3) is set, described lateral mass screw guide pin road (2) is arranged on spinous process hole (3) both sides, arranges 1-5 to guide pin road (2).
5. the cervical lateral mass screw guiding that 3D according to claim 1 prints implants plate, it is characterized in that, described guide plate (1) number arranges 1-5, each guide plate (1) covers a cervical lateral mass, each guide plate is arranged one or a pair lateral mass screw guide pin road (2) and a spinous process hole (3), between two guide plates (1), be provided with the connecting elements of interconnect function.
6. the cervical lateral mass screw guiding that 3D according to claim 5 prints implants plate, it is characterized in that, described spinous process hole (3) is positioned at each guide plate (1) side, each guide plate (1) is arranged 1 described lateral mass screw guide pin road (2), it is other that described lateral mass screw guide pin road (2) is arranged at spinous process hole (3).
7. the cervical lateral mass screw guiding that 3D according to claim 5 prints implants plate, it is characterized in that, described spinous process hole (3) is positioned at each guide plate (1) central authorities, each guide plate (1) is arranged 1 to described lateral mass screw guide pin road (2), described lateral mass screw guide pin road (2) is arranged on spinous process hole (3) both sides.
8. the cervical lateral mass screw guiding that the 3D according to claim 1-7 any one prints implants plate, it is characterized in that, guide plate (1) is also arranged one to several staple (4).
9. the cervical lateral mass screw guiding that the 3D according to claim 1-7 any one prints implants plate, and it is characterized in that, described guide pin road (2) place also arranges the buckle controlled into nail direction.
10. the cervical lateral mass screw guiding that the 3D according to claim 1-7 any one prints implants plate, and it is characterized in that, described guide plate upper plane (11) is 2-5mm with the distance of bottom curved surface (12) peak.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520190024.8U CN204600658U (en) | 2015-03-31 | 2015-03-31 | The cervical lateral mass screw guiding that 3D prints implants plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520190024.8U CN204600658U (en) | 2015-03-31 | 2015-03-31 | The cervical lateral mass screw guiding that 3D prints implants plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204600658U true CN204600658U (en) | 2015-09-02 |
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| CN201520190024.8U Active CN204600658U (en) | 2015-03-31 | 2015-03-31 | The cervical lateral mass screw guiding that 3D prints implants plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688323A (en) * | 2015-03-31 | 2015-06-10 | 首都医科大学附属北京友谊医院 | 3D-printing cervical vertebra side block screw guide embedded plate and manufacturing method thereof |
| CN108720923A (en) * | 2018-04-02 | 2018-11-02 | 王成功 | Householder method is fixed in fracture of calcaneus closed reduction based on digitlization 3D printing tool |
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2015
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688323A (en) * | 2015-03-31 | 2015-06-10 | 首都医科大学附属北京友谊医院 | 3D-printing cervical vertebra side block screw guide embedded plate and manufacturing method thereof |
| CN108720923A (en) * | 2018-04-02 | 2018-11-02 | 王成功 | Householder method is fixed in fracture of calcaneus closed reduction based on digitlization 3D printing tool |
| CN108720923B (en) * | 2018-04-02 | 2019-10-08 | 王成功 | Householder method is fixed in fracture of calcaneus closed reduction based on digitlization 3D printing tool |
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