CN107007365A - Operation puncturing 3D printing template and preparation method - Google Patents
Operation puncturing 3D printing template and preparation method Download PDFInfo
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- CN107007365A CN107007365A CN201710319830.4A CN201710319830A CN107007365A CN 107007365 A CN107007365 A CN 107007365A CN 201710319830 A CN201710319830 A CN 201710319830A CN 107007365 A CN107007365 A CN 107007365A
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Abstract
The invention discloses a kind of operation puncturing 3D printing template, the 3D printing template includes plate body and some cylinders with puncturing hole；The cylinder is through the seam segmentation of puncturing hole；Outer collar is provided with the outside of the cylinder；The plate body is configured with centring ring.Also disclose that a kind of preparation method of operation puncturing 3D printing template.It can significantly reduce operating time using this puncture template, it is often more important that patient and patient irradiation's open-assembly time can be significantly reduced；Simultaneously according to preoperative precise positioning, it is possible to reduce puncture time, puncture angle is accurately determined, it is to avoid the appearance of complication, improve curative effect.Particularly with the patient that there is in congenital malformation or skeletal injury, preoperative can clearly perform the operation and improves puncture accuracy at feasibility.
Description
Technical field
The present invention relates to puncturing operation field, particularly a kind of operation puncturing 3D printing template and preparation method.
Background technology
The committed step of sacral nerve neuromodulation art (SNM) is that puncture needle is accurately inserted to sacral nerve hole, then inserts interim electricity
Pole is simultaneously tested, and whether neural reflex meets operation and require in observation art.Whether SNM operations succeed, and key is accurately, soon
Speed is punctured to optimal sacrum hole.
Traditional piercing method is that cross positioning mode under X-ray examination, incisura ischiadica hand touch positioning mode, measure fixed through apex of coccyx
The real-time ultrasound Conducted Puncture positioning mode that position method and a nearly stage occur.Its weak point is embodied in：
1.X lines can not make specific diagnosis for sacrum and coccyx deformity, fracture or the narrow and small patient in sacral nerve hole；
2. when average puncture overlong time (20min-3h), increase patient suffering and patient and patient irradiation's exposure
Between；
3. puncture time is more, it is most likely that cause occur hemotoncus or scar around nerve because of penetration damage, influence god
Through the generation for stimulating conduction condition；
4. after puncture needle implantation neuraforamen, it is impossible to predict it whether parallel with nerve root, it is possible to influence postoperative test effect
Really.
Because in consideration of it, special propose this invention.
The content of the invention
It is an object of the invention to provide a kind of strong adaptability, efficiency high, accuracy is high, and the good operation puncturing of effect is beaten with 3D
Die plate and preparation method.
To achieve these goals, a kind of operation puncturing 3D printing template that the present invention is provided, the 3D printing template
Including plate body and some cylinders (2) with puncturing hole (3)；If the plate body is put together by dry plate body block (1)；The post
Body (2) is entirely located in the same side of plate body and seam (4) place between plate body block, and is split by seam (4), while described
Puncturing hole (3) is located at the center of the cylinder (2), and seam (4) passes through the puncturing hole (3)；Provided with outer on the outside of the cylinder
Lasso (6), both relative can slide；The plate body is configured with centring ring (8).
It is preferred that, the edge connected between the plate body block (1) is provided with dovetail (5).
It is preferred that, the centring ring (8) is configured with cross position line (7).
A kind of operation puncturing described above preparation method of 3D printing template, is followed the steps below successively：
(1) selection patient's buttocks sticks the paster containing metal, does prone position near the body surface mark point of bone
CT, obtains the DICOM format data containing metal marker point；
(2) sacrum of the mark point containing high gray value and the sacral nerve figure of low gray value are rebuild respectively using gray scale
Picture, then above-mentioned two image registration fusion is drawn new images, a virtual puncture line is set up in new images；
(3) to puncture the axial line design puncturing hole of needle tray and cylinder of line as 3D printing guide plate, to puncture line as outside cylinder
The axis designs outer collar of lasso, using the center of metal patch as center of circle Design Orientation circle, obtains STL form 3D files；And
(4) template finished product is printed using 3D printer.
It is preferred that, posture and ABD pad the pressure thing of body and skin are performed the operation afterwards therewith when being prone position CT in step (1)
In it is completely the same.
It is preferred that, the method that sacral nerve position is determined in step (2) is：Sacral nerve is determined using gray value, is drawn some
It is determined that and suspicious representative sacral nerve spatial point, using algorithm, after the sacral nerve spatial point of first determination, take determination
The spatial point of degree TOP V, is linked to be a curve, represents the out of shape of sacral nerve.
It is preferred that, line is punctured in step (2) and reaches sacral nerve rootses through sacrum hole from skin, and parallel nerve is out of shape as far as possible.
It is preferred that, the aperture of puncturing hole is 0.6mm in step (3).
The operation puncturing that the present invention is provided 3D printing template and preparation and application, have the advantages that：
It can significantly reduce operating time using this puncture template, it is often more important that patient and patient's spoke can be significantly reduced
Penetrate open-assembly time；Simultaneously according to preoperative precise positioning, it is possible to reduce puncture time, puncture angle is accurately determined, it is to avoid complication
Appearance, improve curative effect.It is preoperative clearly to perform the operation feasibility simultaneously particularly with the patient that there is in congenital malformation or skeletal injury
Improve and puncture accuracy.
Brief description of the drawings
The operation puncturing 3D printing formwork structure schematic diagram that Fig. 1 is provided by the embodiment of the present invention one；
The operation puncturing 3D printing formwork structure schematic diagram that Fig. 2 is provided by the embodiment of the present invention two.
In figure：
1. the centring ring of 7. cross position line of plate body 2. cylinder, 3. puncturing hole, 4. seam, 5. dovetail, 6. outer collar 8.
9. plate body block
Embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Embodiment one
Fig. 1 is refer to, this implementation provides a kind of operation puncturing 3D printing template.
The 3D printing template includes plate body 1 and some cylinders 2 with puncturing hole 3, if the plate body 1 is by dry plate body
Block 9 is put together；The cylinder 2 is entirely located in the same side of plate body and is located at the seam 4 between plate body block 9, and by seam 4
Segmentation；The outside of cylinder 2 is provided with outer collar 6, and both relative can slide；The plate body is configured with centring ring 8.
The edge connected between plate body block 9 is configured with dovetail 5, the chimeric structure of dovetail 5 can make plate body block 9 it
Between connect it is even closer, while also improving the bulk strength of plate body.
Puncturing hole 3 is built in the center of cylinder 2, and seam 4 facilitates the installation of template in surgical procedure by puncturing hole 3
With dismounting.
6 pairs of the outer collar in the outside of cylinder 2 will can be fixed together by the cylinder 2 that seam 4 is split, the swallow with plate edge at one's side
The respective outer side edges of tail tenon 5 consolidate the overall structure of template.Outer collar 6 relative can be slided with cylinder 2, convenient to install and dismounting.
The centring ring 8 constructed with plate, needs to overlap with the position that patient's buttocks is marked, with essence when template is Shi Jishiyong
The position that accurate solid plate really is placed, improves degree of accuracy during puncturing operation.Cross position line 7 is also configured with centring ring, is made
Positioning is more accurate.
This template uses split-type structural, the carrying being easy to after the completion of product and sterilization.The routine disinfection side of hospital
Formula is usually oxirane or Low-temperature Plasma Sterilization.If template uses integrated design, due in irregular shape, volume mistake
Greatly, it has not been convenient to carry out disinfection and carry by the conventional equipment of hospital.
This template is provided with special outer collar 6 in the outside of cylinder 2, and both relative can slide, the outer collar 6 in model sheetinstallat
Cylinder 2 is entangled into fixation.Instantly, can be by outer collar 6 along the upward sliding of cylinder 2, you can in the puncture needle by skin is pierced into after pin
Template is pulled down while being left in place.Outer collar 6 is also 3D printing part, and size can be according to the chi of the puncture needle of different vendor
It is very little to be changed, to reach matching.And the puncture template of integral type then can not be in the case where retaining the puncture needle for being pierced into skin
Template is removed.
Meanwhile, using split-type design can in operation as needed assembled part template, and selective lower pin
Punctured, if puncture effect is undesirable, other can be clicked through after the other positions of operation re-assembly other block templates
Row is punctured.And integrated template then lacks choice after mounting, it can only select to continue to puncture if puncture effect is undesirable
Or form removal stops puncturing.
The present embodiment also provides a kind of preparation method of operation puncturing 3D printing template.
Patient's buttocks is selected, as mark point, to stick the paster containing metal closest to the body surface of bone, be easy to
The installation positioning of template in surgical procedure afterwards.
Prone position CT is carried out to patient, to obtain the DICOM format data containing metal marker point.It is being prone position CT
When, need to ensure posture and ABD pad the pressure thing of patient body and skin with it is completely the same in puncturing operation afterwards, to improve hand
The accuracy punctured during art.
Rebuild the sacrum of the mark point containing high gray value and the sacral nerve image of low gray value respectively using gray scale, then
Above-mentioned two image registration fusion is drawn new images.
Wherein, sacral nerve is determined using gray value, draws the spatial point of some determinations and suspicious representative sacral nerve, profit
With algorithm, after the sacral nerve spatial point of first determination, the spatial point of determination degree TOP V is taken, is linked to be a curve, generation
Table sacral nerve it is out of shape.
A virtual puncture line is set up in new images, puncture path reaches sacral nerve rootses with skin through sacrum hole, and to the greatest extent
The parallel nerve of amount out of shape is best route, to reach optimal puncture effect.
To puncture line as the axial line design puncturing hole of puncturing hole and cylinder, the wherein aperture of puncturing hole is 0.6mm, to match
Puncture needle；To puncture axis designs outer collar of the line as cylinder outer collar；Using the center of metal patch as center of circle Design Orientation circle,
And positioning cross line is added in centring ring, to obtain more accurate locating effect.It is used in being performed the operation based on this
Puncture navigation template three dimensional design figure.Because navigation template is formed according to each patient's sacrum and coccyx CT data personalized designs,
Therefore any sacrum and coccyx is lopsided, fracture or neuraforamen is narrow and small can be diagnosed in the preoperative.
Transfer to 3D printer to be printed in three dimensional design figure, obtain puncturing the finished product of template.
Meanwhile, the present embodiment additionally provides a kind of application method of operation puncturing 3D printing template.
Using prepare before puncture template when the mark point combination template that marks on the centring ring that constructs by the position of template
Positioning, makes the center of mark point and the cross position line center superposition of centring ring；And pass through the dovetail and post between plate body block
The outer collar of external side will puncture template group and merge fixed-type.
Along puncturing hole inserting needle, it is pierced into subcutaneously, puncture needle is inserted into sacral nerve hole, test patient motion response and sensation should
Answer, neural reflex meets after implantation standard, tined-lead electrode is inserted into art behind sacral nerve hole and finished.
Interim stimulator is percutaneously connected, it is whether effective to sacral nerve neuromodulation therapy further to test patient.
Embodiment two
Fig. 2 is refer to, this implementation provides a kind of operation puncturing 3D printing template.
The 3D printing template includes plate body 1 and some detachable cylinders 2 with puncturing hole 3；It is configured with plate body 1
Outer collar 6, outer collar 6 is located at the same side of plate body 1, and plate body 1 is by the portion enclosed hollow out of outer collar 6, to facilitate peace
Fill cylinder 2.
The insertion of cylinder 2 is installed in outer collar 6, and is fixed by outer collar 6.Seam 4 passes through the puncture on cylinder 2
Hole 3 is split by cylinder 2.Partition type and dismountable cylinder 2 makes the template when in use can be after puncture needle penetrates puncturing hole 3
Removed in the case where retaining puncture needle and puncture template.
The centring ring 8 constructed with plate, needs to overlap with the position that patient's buttocks is marked, with essence when template is Shi Jishiyong
The position that accurate solid plate really is placed, improves degree of accuracy during puncturing operation.Cross position line 7 is also configured with centring ring, is made
Positioning is more accurate.
This template uses detachable column structure, the carrying being easy to after the completion of product and sterilization.The routine of hospital
Disinfection way is usually oxirane or Low-temperature Plasma Sterilization.If template uses integrated design, due in irregular shape,
Volume is excessive, it has not been convenient to carries out disinfection and carries by the conventional equipment of hospital.
This template is installed in the outer collar 6 constructed on bottom plate in the insertion of cylinder 2, and cylinder is detachable and is through on cylinder
The seam segmentation of puncturing hole, in model sheetinstallat, outer collar 6, which encloses cylinder 2, entangles and fixed.Instantly, can be upward by cylinder after pin
It is mobile to remove and separated along seam, you can to pull down template while the puncture needle for being pierced into skin is left in place.And one
The puncture template of formula can not then remove template in the case where retaining the puncture needle for being pierced into skin.
Meanwhile, using the design in the present embodiment can in operation as needed mounting portion cylinder 2, and selectively
Lower pin punctured, if puncture effect it is undesirable, can be after the other positions of operation re-assembly other cylinders to other
Point is punctured.And integrated template then lacks choice after mounting, it can only select to continue if puncture effect is undesirable
Puncture or form removal stops puncturing.
The preparation method and application method of the puncture template provided in the present embodiment are identical and in embodiment one, herein
Repeat no more.
Operation puncturing provided by the present invention is described in detail with 3D printing template and preparation method above.Herein
In apply specific case the principle and embodiment of the present invention be set forth, the explanation of above example is only intended to side
The core concept of the assistant solution present invention.It should be pointed out that for those skilled in the art, not departing from this hair
On the premise of bright principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into power of the present invention
In the protection domain that profit is required.
Claims (9)
1. a kind of operation puncturing 3D printing template, it is characterised in that the 3D printing template includes plate body (1) and some bands
There is the cylinder (2) of puncturing hole (3)；The cylinder (2) is through seam (4) segmentation of puncturing hole (3)；It is provided with the outside of the cylinder
Outer collar (6)；The plate body is configured with centring ring (8).
2. 3D printing template according to claim 1, it is characterised in that the plate body is by seam (4) if being divided into dry plate
Dovetail (5) is configured between body block, and the plate body block.
3. 3D printing template according to claim 1, it is characterised in that the outer collar (6) can be slided along cylinder (2).
4. 3D printing template according to claim 1, it is characterised in that the centring ring (8) is configured with cross position line
(7)。
5. a kind of preparation method of operation puncturing 3D printing template as described in claim 1-4 is any, it is characterised in that according to
It is secondary to follow the steps below：
(1) selection patient's lumbosacral region sticks the paster containing metal, does prone position near the skin surface mark point of bone
CT, obtains the DI COM formatted datas containing metal marker point；
(2) sacrum of the mark point containing high gray value and the sacral nerve image of low gray value are rebuild respectively using gray scale, then
Above-mentioned two image registration fusion is drawn new images, a virtual puncture line is set up in new images；
(3) puncturing hole and cylinder are designed using the axial line of needle tray for puncturing line as 3D printing guide plate, to puncture line as cylinder outer collar
Axis designs outer collar, using the center of metal patch as center of circle Design Orientation circle, obtain STL form 3D files；And
(4) template finished product is printed using 3D printer.
6. the operation puncturing according to claim 5 preparation method of 3D printing template, it is characterised in that in step (1)
Posture and ABD pad the pressure thing of body and skin are basically identical in performing the operation afterwards therewith when being prone position CT.
7. the operation puncturing according to claim 5 preparation method of 3D printing template, it is characterised in that in step (2)
The method for determining sacral nerve position is：Sacral nerve is determined using gray value, some determinations and suspicious representative sacral nerve is drawn
Spatial point, using algorithm, after the sacral nerve spatial point of first determination, take the spatial point of determination degree TOP V, be linked to be
One curve, represents the out of shape of sacral nerve.
8. the operation puncturing according to claim 5 preparation method of 3D printing template, it is characterised in that in step (2)
Puncture line and reach sacral nerve rootses through sacrum hole from skin, and parallel nerve is out of shape as far as possible.
9. the operation puncturing according to claim 5 preparation method of 3D printing template, it is characterised in that in step (3)
The aperture of puncturing hole is 0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710319830.4A CN107007365A (en) | 2017-05-08 | 2017-05-08 | Operation puncturing 3D printing template and preparation method |
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|---|---|---|---|
| CN201710319830.4A CN107007365A (en) | 2017-05-08 | 2017-05-08 | Operation puncturing 3D printing template and preparation method |
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| CN109223137A (en) * | 2018-11-21 | 2019-01-18 | 深圳悟恫三维科技有限公司 | Multi-functional controllable depth oval foramen guiding device for interventional therapy |
| CN109223138A (en) * | 2018-11-21 | 2019-01-18 | 深圳悟恫三维科技有限公司 | Multi-functional controllable depth fossa sphenopalatina guiding device for interventional therapy |
| CN110141370A (en) * | 2019-06-03 | 2019-08-20 | 上海市肺科医院 | A kind of positioning device and its localization method for Lung neoplasm in art |
| CN112244956A (en) * | 2020-10-21 | 2021-01-22 | 西安点云生物科技有限公司 | Sacral nerve puncture guide plate and construction method thereof |
| CN113244516A (en) * | 2021-07-05 | 2021-08-13 | 真实维度科技控股(珠海)有限公司 | Non-coplanar puncture template manufacturing method based on bony multipoint positioning and template |
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