CN105193492A - 3D printed percutaneous pedicle guide plate and preparation method thereof - Google Patents
3D printed percutaneous pedicle guide plate and preparation method thereof Download PDFInfo
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- CN105193492A CN105193492A CN201510514432.9A CN201510514432A CN105193492A CN 105193492 A CN105193492 A CN 105193492A CN 201510514432 A CN201510514432 A CN 201510514432A CN 105193492 A CN105193492 A CN 105193492A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims description 135
- 238000010146 3D printing Methods 0.000 claims description 11
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000002591 computed tomography Methods 0.000 claims description 2
- 238000007639 printing Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000002513 implantation Methods 0.000 abstract 1
- 230000002980 postoperative effect Effects 0.000 abstract 1
- 208000011580 syndromic disease Diseases 0.000 abstract 1
- 239000000463 material Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 210000003484 anatomy Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 231100000915 pathological change Toxicity 0.000 description 2
- 230000036285 pathological change Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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 a preparation method of a 3D printed percutaneous pedicle guide plate. The preparation method comprises the following steps: firstly arranging a positioning plate on a vertebral body needing operation; then scanning the vertebral body to obtain the data of upper skin of the vertebral body needing operation and the data of the positioning plate; then analyzing the data, carrying out reverse fitting on the data of the skin and the positioning plate to form a fitting plate and reserving a positioning hole in the positioning plate; designing percutaneous pedicle guide holes in a pedicle, enabling the percutaneous pedicle guide holes to reversely extend onto the fitting plate to form the percutaneous pedicle guide holes and obtaining complete guide plate data; printing the percutaneous pedicle guide plate after converting the obtained guide plate data to be in a format identified by a 3D printer. The guide plate can be used for accurately carrying out screw implantation operation on the percutaneous pedicle and has the effect of reducing the way of repeatedly using X-ray scanning for positioning during the percutaneous vertebral body operation, thus effectively reducing the postoperative syndromes.
Description
Technical field
A kind of medical apparatus and instruments applied during the operation of a kind of medical apparatus and instruments, particularly pedicle applied when the invention belongs to vertebral body operation, is particularly related to percutaneous cervical arc root guide plate that a kind of 3D prints and preparation method thereof.
Background technology
Relate to the Minimally Invasive Surgery operation of pedicle, comprise percutaneous vertbroplasty or balloon kyphoplasty or percutaneous cervical arc root fixation etc., current pedicle maximum difficult point of performing the operation accurately determines the entry point of pedicle and enters to follow closely direction.The modus operandi adopted has traditional cutting operation and the percutaneous surgery of Wicresoft.Traditional cutting operation determining that pedicle of vertebral arch has the guide plate related in this when entering to follow closely direction, owing to recognizing for the anatomic landmark of concrete vertebral body in art, so easily find the use location of guide plate.And Minimally Invasive Surgery is the operation of percutaneous, by vertebra skin of back, only can substantially determine vertebral body position, therefore be difficult to recognize definite operation vertebral body position by vertebral body dorsal skin merely, now in order to determine that more operation vertebral body needs to carry out x-ray bombardment and determine, determine pedicle enter to follow closely direction time also need to be determined by a large amount of X-ray scannings more.Therefore need a kind of pedicle of vertebral arch guide plate of applicable percutaneous cervical arc root operation easy to use, and can individuation be realized.
Along with the development of digitized and 3D printing technique, personalized treatment is realized at medical domain, the therapeutic device of preparation personalization becomes possibility, according to the scan-data of patient itself, carry out digital assay, carry out matching, forming personalized data, utilize 3D printing technique by the prosthese of design or apparatus printing shaping.
Less about the pedicle of vertebral arch guiding technique patent of percutaneous at present, although there is the pedicle of vertebral arch guide plate of percutaneous, 3D prints percutaneous cervical arc root guide plate 201420318412.5, but this guide plate only comprises one piece of guide plate and pedicle sleeve, determine any block vertebral body carry out performing the operation and guide plate placement location time still need X-ray to scan, the accurate placement to guide plate could be realized.Dependence to X-ray scanning in art when prior art guide plate still can not avoid percutaneous cervical arc root to perform the operation, the application of guide plate is comparatively complicated.
For the patent solving prior art percutaneous cervical arc root guide plate is less, and can not break away from the dependence of X-ray scanning in use procedure and use the problems such as convenient not, the invention provides percutaneous cervical arc root guide plate that a kind of 3D prints and preparation method thereof.
Summary of the invention
Can not break away from the dependence of X-ray scanning in guide plate use procedure to overcome prior art and use the problems such as convenient not, the object of this invention is to provide percutaneous cervical arc root guide plate that a kind of 3D that can solve the problem prints and preparation method thereof.
Object of the present invention is achieved through the following technical solutions:
The preparation method of the percutaneous cervical arc root guide plate that a kind of 3D prints is: 1) on the skin of back of the every block vertebral body that need perform the operation, arrange one to multiple piece of spacer;
2) carry out preoperative scanning acquisition to operation vertebral body need to perform the operation the data of vertebral body, upper side skin and spacer; As x-ray and CT thin slice scan mode, optimal way is: utilize CT machine to patient's pathological changes vertebral body, and on vertebral body, side skin, vertebral body neighbouring section anatomical structure and the spacer be arranged on superior skin carry out continuous tomoscan and obtain its Dicom medical digital images normal data.Described CT machine sweep parameter: Scan slice thickness is 1mm, voltage 120kV; The layer data of described CT Scanner is derived with Dicom form, input Mimics10.01 software, through framing, Threshold segmentation, dynamic partition, every tomographic image, through selective editing and leak process, removes redundant data, smoothing processing, finally by 3D calculate set up comprise vertebral body, the threedimensional model of superior skin and spacer exports;
3) to the data analysis matching obtained: by obtain 3D vertebral body, superior skin and spacer data separate computer software as Mimics software, reverse matching skin also determines spacer data, the spacer data finally obtaining reverse matching skin curved surface and finally determine, reverse skin curved surface will be obtained and thicken formation matching plate, and on matching plate, stay a locating hole corresponding with spacer;
4) perform the operation at Three-D limited meta software (as Mimics) Imitating, establish best pedicle of vertebral arch enter a little and puncture or put the direction of nail, design pedicle pilot hole, and oppositely extend on matching plate, form percutaneous cervical arc root pilot hole, percutaneous cervical arc root pilot hole can surpass matching plate to be continued to extend 1-3cm, the guide plate data that final acquisition is complete;
5) the guide plate data will obtained, the form being converted into the identification of 3D printer, as after STL formatted file, prints percutaneous cervical arc root guide plate.
The determination that operation vertebral body position when guide plate can be facilitated to use is set of spacer; Locating hole is corresponding with spacer position, directly can place guide plate during use by spacer and locating hole, easy to use and directly perceived.
Further, the shape of described spacer is set to circle, and circle arranges convenient placement.
Further, on each operation vertebral body, a described spacer is set, described spacer is arranged a spacer axis, described matching plate is provided with the matching plate axis with axis collinear on spacer.The design of axis is conveniently determined to prevent the deflection of position by the placement direction of guide plate.Further, described spacer arranges the skin of back place on centre position (corresponding spinous process point), described spacer is arranged a vertical axis, described matching plate is provided with the matching plate vertical axis with axis collinear on spacer.The set-up mode of spacer and vertical axis arrange can clearly and symmetric guide plate is set, prevent from causing interference to inserting needle direction.
Or on each operation vertebral body, two described spacer numbers are set, simultaneously corresponding matching two locating holes on matching plate.Arranging of two spacers and locating hole by mutual corresponding, directly can be placed guide plate, ensures the accuracy of position.Further, described spacer is arranged along the spinal column longitudinal axis, is separately positioned on the position on the upper side with on the lower side of each vertebral body of need performing the operation.The longitudinal direction of spacer and locating hole arrange also can clearly and symmetric guide plate is set, prevent from causing interference to entering direction
Further, when 3D prints, the material of application is medical resin material.
The percutaneous cervical arc root guide plate that 3D prepared by described preparation method prints comprises, for the spacer at the corresponding skin of back place of patient vertebral body, with the matching plate locating skin matching of need performing the operation, matching plate is arranged at the locating hole that spacer is corresponding, matching plate is also provided with percutaneous cervical arc root pilot hole.Spacer in the preoperative scan-data time be arranged at patient correspondence operation vertebral body place, until operation terminate completely after take off.Spacer effectively can ensure the accurate placement of guide plate, and simple and convenient; Percutaneous cervical arc root pilot hole can ensure the accuracy into nail position and direction.
Further, described locating surface can arrange any shape, wherein circular spacer.
Further, be applied to each need perform the operation vertebral body time, described spacer arranges one, and spacer is arranged a spacer axis, described matching plate is provided with the matching plate axis with axis collinear on spacer.
Further, spacer is arranged on the corresponding skin of back center position (horizontal direction is consistent with pedicle of vertebral arch level) of each operation vertebral body, described spacer is arranged a vertical axis, described matching plate is provided with the matching plate vertical axis with axis collinear on spacer.
Further, when being applied to each operation vertebral body, described spacer number arranges two, and on matching plate, correspondence arranges two locating holes.
Further, described spacer is arranged along the spinal column longitudinal axis, is separately positioned on the position on the upper side with on the lower side of each vertebral body of need performing the operation.
Further, described percutaneous cervical arc root pilot hole is given prominence to from matching plate, and outstanding distance is 1-3cm, and the outstanding pilot hole degree of depth is comparatively large, can better determine into nail direction.
Further, the pilot hole obtained is transparent material, and has scale in described pilot hole arranged outside, and arranging of scale can conveniently to the observation carrying out the degree of depth.
Further, the face contacting skin bottom described matching plate is arranged the structure be fixed on by matching plate on skin, prevent guide plate from rocking, several locking pin can be set, several piece double faced adhesive tape can also be set.On the skin that the arranging of locking pin can ensure that guide plate is fixed on for vertebral body, prevent the movement of position, and locking pin is comparatively thin, can not cause very large wound to patient.Preferably be set to double faced adhesive tape, and arrange 4 pieces of double faced adhesive tapes, the setting of double faced adhesive tape can not cause wound to patient, can conveniently take off after using.
Further, the material of guide plate is medical resin material.
During use, before carrying out scanning, spacer is placed on vertebral body position of need performing the operation, after carry out obtaining of guide plate data, 3D prints guide plate; After place corresponding with spacer for the locating hole of guide plate in time performing the operation, place after guide plate and positioning needle or pedicle screw implanted, after carry out follow-up operation, take off guide plate and spacer after operation terminates.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 2 structural representation;
Fig. 2 is the embodiment of the present invention 4 structural representation;
Fig. 3 is the embodiment of the present invention 5 structural representation;
Fig. 4 is locating sheet structure schematic diagram of the present invention;
In figure, 1, matching plate; 2, percutaneous cervical arc root pilot hole; 3, locating hole; 4, spacer; 41; Spacer axis; 42, matching plate axis 51, locking pin; 52, double faced adhesive tape; 6, skin; 7, scale.
Detailed description of the invention
The preparation method of the percutaneous cervical arc root guide plate that embodiment 1 one kinds of 3D print
The preparation method of the percutaneous cervical arc root guide plate that a kind of 3D prints is, 1) on each vertebral body that need perform the operation, circular spacer 44 is set, and circular spacer 44 arranges 1-2;
2) carry out preoperative scanning acquisition to operation vertebral body need to perform the operation the data of vertebral body, upper side skin and spacer 4; Utilize CT machine to patient's pathological changes vertebral body, on vertebral body, side skin, vertebral body neighbouring section anatomical structure and the spacer 4 be arranged on superior skin carry out continuous tomoscan and obtain its Dicom medical digital images normal data.Described CT machine sweep parameter: Scan slice thickness is 1mm, voltage 120kV; The layer data of described CT Scanner is derived with Dicom form, input Mimics10.01 software, through framing, Threshold segmentation, dynamic partition, every tomographic image, through selective editing and leak process, removes redundant data, smoothing processing, finally by 3D calculate set up comprise vertebral body, the threedimensional model of superior skin and spacer 4 exports;
3) to the data analysis matching obtained: by obtain 3D vertebral body, superior skin and spacer 4 data separate computer software as Mimics software, reverse matching skin also determines spacer 4 data, spacer 4 data finally obtaining reverse matching skin curved surface and finally determine, reverse skin curved surface will be obtained and thicken formation matching plate 1, and on matching plate 1, stay a locating hole 3 corresponding with spacer 4;
4) perform the operation at Three-D limited meta software (as Mimics) Imitating, establish best pedicle of vertebral arch enter a little and puncture or put the direction of nail, design pedicle pilot hole 2, and oppositely extend on matching plate 1, form percutaneous cervical arc root pilot hole 2, percutaneous cervical arc root pilot hole 2 can surpass matching plate 1 to be continued to extend 1-3cm, the guide plate data that final acquisition is complete;
5) the guide plate data will obtained, the form being converted into the identification of 3D printer, as after STL formatted file, prints percutaneous cervical arc root guide plate.
When the arranging of circular spacer 4 can facilitate guide plate to use, the determination of vertebral body position; Locating hole 3 is corresponding with circular spacer 4 position, directly can place guide plate during use by circular spacer 4 and locating hole 3, easy to use and directly perceived.Vertebral body scan mode is X-ray scanning or CT scan.When 3D prints, the material of application is medical resin material.
Need perform the operation on vertebral body each, circular spacer 4 is arranged on skin of back 6 place on the position of the centre of each vertebral body of need performing the operation, circular spacer 4 arranges a perpendicular positioning sheet axis 41, matching plate 1 is provided with the matching plate vertical axis 42 with circular spacer axis 41 conllinear.The set-up mode of circular spacer 4 and vertical axis arrange can clearly and symmetric guide plate is set, prevent from causing interference to entering direction.
Or need perform the operation on vertebral body each, circular spacer 4 number arranges two, corresponding matching two locating holes 3 on matching plate 1 simultaneously.Arranging of two circular spacers 4 and locating hole 3 by mutual corresponding, directly can be placed guide plate, ensures the accuracy of position.Circular spacer 4 is arranged along the spinal column longitudinal axis, is separately positioned on the position on the upper side with on the lower side of each vertebral body of need performing the operation.Circular spacer 4 and the longitudinal direction of locating hole 3 arrange also can clearly and symmetric guide plate is set, prevent from causing interference to entering direction.
The percutaneous cervical arc root guide plate that embodiment 2 one kinds of 3D print
The percutaneous cervical arc root guide plate that 3D prepared by preparation method prints comprises, for the circular spacer 4 at patient vertebral body skin 6 place, with the matching plate 1 locating skin 6 matching of need performing the operation, matching plate 1 is arranged at the locating hole 3 of circular spacer 4 correspondence, matching plate 1 is also provided with percutaneous cervical arc root pilot hole 2.Circular spacer 4 is arranged at when scan-data on the skin of back 6 in the middle of patient's correspondence operation vertebral body, takes off after operation terminates completely.Circular spacer 4 effectively can ensure the accurate placement of guide plate, and simple and convenient; Percutaneous cervical arc root pilot hole 2 can ensure the accuracy into nail position and direction.For a vertebral body operation, circular spacer 4 arranges one, and circular spacer 4 is arranged a spacer axis 41, matching plate 1 is provided with the matching plate axis 42 with circular spacer axis 41 conllinear.Circular spacer 4 is arranged on skin of back 6 place in the centre position (corresponding spinous process point) of each vertebral body of need performing the operation, circular spacer 4 arranges a vertical axis 41, matching plate 1 is provided with matching plate 1 vertical axis 41 with axis 41 conllinear on circular spacer 4.Matching plate 1 is arranged 4 pieces of layers of two-sided.Pilot hole 2 is given prominence to from matching plate 1, and outstanding distance is 1cm, and the material of guide plate is medical resin material.
During use, before carrying out scanning, circular spacer 4 is placed on vertebral body position of need performing the operation, after carry out obtaining of guide plate data, 3D prints guide plate; After place corresponding with circular spacer 4 for the locating hole 3 of guide plate in time performing the operation, place after guide plate and positioning needle or pedicle screw implanted, after carry out follow-up operation, take off guide plate and circular spacer 4 after operation terminates.
The percutaneous cervical arc root guide plate that embodiment 3 one kinds of 3D print
The percutaneous cervical arc root guide plate that 3D prepared by preparation method prints comprises, for the circular spacer 4 at patient vertebral body skin 6 place, with the matching plate 1 locating skin 6 matching of need performing the operation, matching plate 1 is arranged at the locating hole 3 of circular spacer 4 correspondence, matching plate 1 is also provided with percutaneous cervical arc root pilot hole 2.Circular spacer 4 is arranged at when scan-data on the skin of back 6 of patient's correspondence operation vertebral body axis, takes off after operation terminates completely.Circular spacer 4 effectively can ensure the accurate placement of guide plate, and simple and convenient; Percutaneous cervical arc root pilot hole 2 can ensure the accuracy into nail position and direction.For single vertebral body operation, circular spacer 4 number arranges two, and on matching plate 1, correspondence arranges two locating holes 3.Circular spacer 4 is arranged along the spinal column longitudinal axis, is separately positioned on skin of back 6 place of the position on the upper side and on the lower side of each vertebral body axis of need performing the operation.Contact bottom matching plate 1 on skin 6 and 4 pieces of layers of two-sided are set.Pilot hole 2 is given prominence to from matching plate 1, and outstanding distance is 2cm, and the material of guide plate is medical resin material.
During use, before carrying out scanning, circular spacer 4 is placed on vertebral body position of need performing the operation, after carry out obtaining of guide plate data, 3D prints guide plate; After place corresponding with circular spacer 4 for the locating hole 3 of guide plate in time performing the operation, place after guide plate and positioning needle or pedicle screw implanted, after carry out follow-up operation, take off guide plate and circular spacer 4 after operation terminates.
The percutaneous cervical arc root guide plate that embodiment 4 one kinds of 3D print
The percutaneous cervical arc root guide plate that 3D prepared by preparation method prints comprises, for the circular spacer 4 at patient vertebral body skin 6 place, with the matching plate 1 locating skin 6 matching of need performing the operation, matching plate 1 is arranged at the locating hole 3 of circular spacer 4 correspondence, matching plate 1 is also provided with percutaneous cervical arc root pilot hole 2.Circular spacer 4 is arranged at when scan-data on the skin of back 6 of patient's correspondence operation vertebral body axis, takes off after operation terminates completely.Circular spacer 4 effectively can ensure the accurate placement of guide plate, and simple and convenient; Percutaneous cervical arc root pilot hole 2 can ensure the accuracy into nail position and direction.For single vertebral body operation, circular spacer 4 number arranges two, and on matching plate 1, correspondence arranges two locating holes 3.Circular spacer 4 is arranged along the spinal column longitudinal axis, is separately positioned on skin of back 6 place of the position on the upper side and on the lower side of each vertebral body axis of need performing the operation.In addition, matching plate 1 is arranged several locking pin 51.On the skin 6 that the arranging of locking pin 51 can ensure that guide plate is fixed on for vertebral body, the movement of placement location, and locking pin 51 is comparatively thin, can not cause very large wound to patient.Pilot hole 2 is given prominence to from matching plate 1, and outstanding distance is 3cm, and the material of guide plate is medical resin material.
During use, before carrying out scanning, circular spacer 4 is placed on vertebral body position of need performing the operation, after carry out obtaining of guide plate data, 3D prints guide plate; After place corresponding with circular spacer 4 for the locating hole 3 of guide plate in time performing the operation, place after guide plate and positioning needle or pedicle screw implanted, after carry out follow-up operation, take off guide plate and circular spacer 4 after operation terminates.
The percutaneous cervical arc root guide plate that embodiment 5 one kinds of 3D print
The percutaneous cervical arc root guide plate that 3D prepared by preparation method prints comprises, for the circular spacer 4 at patient vertebral body skin 6 place, with the matching plate 1 locating skin 6 matching of need performing the operation, matching plate 1 is arranged at the locating hole 3 of circular spacer 4 correspondence, matching plate 1 is also provided with percutaneous cervical arc root pilot hole 2.Circular spacer 4 is arranged at when scan-data on the skin of back 6 of patient's correspondence operation vertebral body axis, takes off after operation terminates completely.Circular spacer 4 effectively can ensure the accurate placement of guide plate, and simple and convenient; Percutaneous cervical arc root pilot hole 2 can ensure the accuracy into nail position and direction.For single vertebral body operation, circular spacer 4 number arranges two, and on matching plate 1, correspondence arranges two locating holes 3.Circular spacer 4 is arranged along the spinal column longitudinal axis, is separately positioned on skin of back 6 place of the position on the upper side and on the lower side of each vertebral body axis of need performing the operation.In addition, matching plate 1 upper bottom portion contact skin 6 arranges 4 pieces of double faced adhesive tapes 52.Guide plate can effectively be fixed on skin 6 by arranging of double faced adhesive tape 52, and must not form injury by skin 6.Pilot hole 2 is given prominence to from matching plate 1, and outstanding distance is 2cm, pilot hole 2 arranged outside scale 7.The material of guide plate is medical resin material.
During use, before carrying out scanning, circular spacer 4 is placed on vertebral body position of need performing the operation, after carry out obtaining of guide plate data, 3D prints guide plate; After place corresponding with circular spacer 4 for the locating hole 3 of guide plate in time performing the operation, place after guide plate and positioning needle or pedicle screw implanted, after carry out follow-up operation, take off guide plate and circular spacer 4 after operation terminates.
The percutaneous cervical arc root guide plate that embodiment 6 one kinds of 3D print
The percutaneous cervical arc root guide plate that 3D prepared by preparation method prints comprises, for the circular spacer 4 at patient vertebral body skin 6 place, with the matching plate 1 locating skin 6 matching of need performing the operation, matching plate 1 is arranged at the locating hole 3 of circular spacer 4 correspondence, matching plate 1 is also provided with percutaneous cervical arc root pilot hole 2.Circular spacer 4 is arranged at when scan-data on the skin of back 6 of patient's correspondence operation vertebral body axis, takes off after operation terminates completely.Circular spacer 4 effectively can ensure the accurate placement of guide plate, and simple and convenient; Percutaneous cervical arc root pilot hole 2 can ensure the accuracy into nail position and direction.For multiple vertebral body operation, skin of back 6 place in the middle of each corresponding vertebral body arranges a circular spacer 4, matching plate 1 and the matching of multiple superior skin 6, and arranges 1 locating hole 3 at each circular locating openings 3 place.Circular spacer 4 is arranged on skin of back 6 place in the centre position (corresponding spinous process point) of each vertebral body of need performing the operation, each circular spacer 4 is arranged a perpendicular positioning sheet axis 41, matching plate 1 is provided with the matching plate vertical axis 42 with circular spacer axis 41 conllinear.Corresponding every block vertebral body matching plate 1 upper bottom portion contact skin 6 arranges 4 pieces of double faced adhesive tapes 52.Guide plate can effectively be fixed on skin 6 by arranging of double faced adhesive tape 52, and must not form injury by skin 6.Pilot hole 2 is given prominence to from matching plate 1, and outstanding distance is 2cm, and the material of guide plate is medical resin material.
During use, before carrying out scanning, circular spacer 4 is placed on vertebral body position of need performing the operation, after carry out obtaining of guide plate data, 3D prints guide plate; After place corresponding with circular spacer 4 for the locating hole 3 of guide plate in time performing the operation, place after guide plate and positioning needle or pedicle screw implanted, after carry out follow-up operation, take off guide plate and circular spacer 4 after operation terminates.
The explanation of above-described embodiment is just for understanding the present invention.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also carry out some improvement to the present invention, these improvement also will fall in the protection domain of the claims in the present invention.
Claims (10)
1. the preparation method of the percutaneous cervical arc root guide plate of a 3D printing is, 1) one or more spacer (4) is set on the skin of back of the vertebral body that need perform the operation, 2) carry out preoperative scanning acquisition to vertebral body of need performing the operation need to perform the operation vertebral body and spacer (4), the data of upper side skin and spacer (4), 3) to the data analysis matching obtained, reverse matching skin also determines spacer (4) data, reverse matching skin forms a matching plate (1), and on matching plate (1), stay a locating hole corresponding with spacer (4); 4) perform the operation at three-dimensional software Imitating, establish best pedicle of vertebral arch enter a little and puncture or put the direction of nail, design pedicle pilot hole (2), and oppositely extend on matching plate (1), form percutaneous cervical arc root pilot hole (2), obtain complete guide plate data; 5) the guide plate data will obtained, after being converted into the form of 3D printer identification, print percutaneous cervical arc root guide plate.
2. the preparation method of the percutaneous cervical arc root guide plate of 3D printing according to claim 1, it is characterized in that, need perform the operation on vertebral body each, a described spacer (4) is set, described spacer (4) is arranged a spacer axis (41), described matching plate (1) is provided with the matching plate axis (42) with spacer axis (41) conllinear.
3. the preparation method of the percutaneous cervical arc root guide plate of 3D printing according to claim 2, it is characterized in that, described spacer (4) is arranged on the centre position of each vertebral body of need performing the operation, described spacer (4) is arranged a vertical axis (41), described matching plate (1) is provided with the matching plate vertical axis with spacer vertical axis conllinear.
4. the preparation method of the percutaneous cervical arc root guide plate of 3D printing according to claim 1, is characterized in that, need perform the operation on vertebral body each, arrange two described spacers (4).
5. the preparation method of the percutaneous cervical arc root guide plate of 3D printing according to claim 4, it is characterized in that, described spacer (4) is arranged along the spinal column longitudinal axis, is separately positioned on the position on the upper side with on the lower side of each vertebral body of need performing the operation.
6. the preparation method of the percutaneous cervical arc root guide plate of 3D printing according to claim 1, it is characterized in that, described vertebral body scan mode is X-ray scanning or CT scan.
7. the percutaneous cervical arc root guide plate that the 3D that prepared by preparation method described in claim 1 prints comprises, for the spacer (4) at patient vertebral body skin place, with the matching plate (1) locating skin matching of need performing the operation, matching plate (1) is upper arranges the locating hole (3) corresponding with spacer (4), matching plate (1) is also provided with percutaneous cervical arc root pilot hole (2).
8. the percutaneous cervical arc root guide plate of 3D printing according to claim 7, it is characterized in that, be applied to each need perform the operation vertebral body time, described spacer (4) arranges one, and spacer (4) arranges an axis (41), described matching plate (1) is provided with the matching plate axis (41) with spacer axis (41) conllinear.
9. the percutaneous cervical arc root guide plate of 3D printing according to claim 7, it is characterized in that, be applied to each need perform the operation vertebral body time, described spacer (4) number arranges two, arranges two locating holes (3) in the upper correspondence of matching plate (1).
10. the percutaneous cervical arc root guide plate of 3D printing according to claim 7, is characterized in that, the face of described matching plate (1) bottom contact skin arranges several locking pin (51) or several piece double faced adhesive tape (52).
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| CN201510514432.9A CN105193492A (en) | 2015-08-20 | 2015-08-20 | 3D printed percutaneous pedicle guide plate and preparation method thereof |
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| CN201510514432.9A CN105193492A (en) | 2015-08-20 | 2015-08-20 | 3D printed percutaneous pedicle guide plate and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852957A (en) * | 2016-04-20 | 2016-08-17 | 华南理工大学 | Metal guide plate capable of improving screw-setting precision in spinal operation and manufacturing method of metal guide plate |
| CN106037921A (en) * | 2016-06-29 | 2016-10-26 | 自贡市第四人民医院 | Perspectivity-assisted skin-outer individual minimally-invasive pedicle screw navigation template device |
| CN106037892A (en) * | 2016-05-11 | 2016-10-26 | 首都医科大学附属北京友谊医院 | Percutaneous universal-angle vertebral pedicle puncture guide apparatus |
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| CN109431583A (en) * | 2018-11-13 | 2019-03-08 | 深圳市艾科赛龙科技股份有限公司 | A kind of pedicle of vertebral arch navigation model method for building up and device |
| CN109431583B (en) * | 2018-11-13 | 2021-06-22 | 深圳市艾科赛龙科技股份有限公司 | Method and device for establishing pedicle navigation model |
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