CN104043205B - Vertically-separated support for oral cavity radiotherapy and manufacturing method thereof - Google Patents

Vertically-separated support for oral cavity radiotherapy and manufacturing method thereof Download PDF

Info

Publication number
CN104043205B
CN104043205B CN201410312900.XA CN201410312900A CN104043205B CN 104043205 B CN104043205 B CN 104043205B CN 201410312900 A CN201410312900 A CN 201410312900A CN 104043205 B CN104043205 B CN 104043205B
Authority
CN
China
Prior art keywords
oral cavity
radiotherapy
support
separation type
rack body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201410312900.XA
Other languages
Chinese (zh)
Other versions
CN104043205A (en
Inventor
涂文勇
丁继平
胡海生
石慧烽
孔月虹
徐璇丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Original Assignee
Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine filed Critical Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority to CN201410312900.XA priority Critical patent/CN104043205B/en
Publication of CN104043205A publication Critical patent/CN104043205A/en
Application granted granted Critical
Publication of CN104043205B publication Critical patent/CN104043205B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Radiation-Therapy Devices (AREA)

Abstract

The invention discloses a vertically-separated support for oral cavity radiotherapy and a manufacturing method of the vertically-separated support. The vertically-separated support for oral cavity radiotherapy comprises a support body. The support body is a hollow shell. The external shape of the support body is matched with the intra-cavity shape, formed when a patient opens the mouth, of the oral cavity. The front portion of the support body is a fixed portion, and an upper surface shell and a lower surface shell of the fixed portion are provided with an upper dentition impression groove and a lower dentition impression groove respectively. The rear portion of the support body is a supporting tongue pressing portion, the upper surface of the supporting tongue pressing portion serves as a support palate surface, and the lower surface of the supporting tongue pressing portion serves as a support tongue surface. The fixed portion and the supporting tongue pressing portion are communicated through a ventilation channel. The oral cavity support is suitable for oral cavity jaw surface tumor radiotherapy, the exposure dose which endangers organs can be stably and effectively reduced, oral mucosa damage and taste damage generated in the oral cavity jaw surface tumor radiotherapy process are reduced, and compliance and quality of life are improved when the patient receives radiotherapy.

Description

Oral cavity radiotherapy upper and lower separation type support and preparation method thereof
Technical field
The invention belongs to tumor of head and neck radiation therapy technology field, more particularly, to one kind is in Oral and maxillofacial tumors radiotherapy Upper and lower separation type dental stent and preparation method thereof used in journey.
Background technology
Comprehensive Treatment based on radiotherapy or radiotherapy is in current medical domain, tumor of head and neck to be treated Basic principle, more than 70% head-neck malignant tumor is both needed to radiocurable intervention in its therapeutic process.But always Since, function of parotid caused by radiotherapy is damaged, oral mucosa damage and the sense of taste are damaged etc., the xerostomia leading to therefrom and oral cavity Modal complication in illness, always head-neck malignant tumor radiotherapy, these complication have a strong impact on the existence matter of patient Amount, sometimes even results in and has to suspend radiotherapy, thus reducing the Partial controll to tumor.
The incidence rate of radioactivity oral mucosa damage and sense of taste damage and the order of severity are shone with oral mucosa and tongue respectively The dosage penetrated is closely related with volume.At present, for reducing the tongue and oral mucosa radioactive dose in Patients During Radiotherapy, domestic warp Often using cork, disposable syringe etc., tongue and part oral mucosa are pushed away target area, but the method is primarily present pressure tongue effect Fruit is not affirmed, position poor repeatability, the shortcoming being unable to individuation.
Content of the invention
It is an object of the present invention to provide a kind of separation type support up and down of oral cavity radiotherapy, contribute to reducing Jeopardize the radioactive dose of organ, improve field dose, contribute to applying electronic Real time portal imaging (EPID) and improve radiotherapy position Accuracy.
Another object of the present invention is to the manufacture method that radiotherapy upper and lower separation type support in above-mentioned oral cavity is provided.
Purpose according to a first aspect of the present invention, the invention provides a kind of radiotherapy of oral cavity, with upper and lower separation type support, is wrapped Containing rack body, this rack body is a hollow shell, and oral cavity intracavity shape when its external shape and people dehisce is coincide;This The front portion of frame body is standing part, and the upper surface housing of standing part and lower surface housing are respectively equipped with denture impression groove With mandibular dentition impression groove;The rear portion of this rack body is a bulging tongue portion, and the upper surface of a bulging tongue portion is support palatal surface, The lower surface propping up bulging tongue portion is support lingual surface;Support palatal surface is that an oral cavity palatal surface shape when shape is dehisced with people is coincide Curved surface, support lingual surface is the curved surface that an oral cavity lingual surface shape when shape is dehisced with people is coincide, and its medium-height trestle lingual surface must be tight with tongue Contiguity is touched, and reserves certain space to tongue simultaneously again, has both avoided pressing tongue tension to cause discomfort, will not elapse tongue backward again and cause tongue After fall, cause patient to suffocate.
Additionally, dividing and a bulging tongue portion between in fixation portions with gas-permeable channels insertion, the two ends of this gas-permeable channels The first air-vent being respectively opened in rack body front end shell is saturating with second being opened on the housing of rack body end Pore.
Specifically:The dental stent of the present invention is made for personalization, and its external shape carries out radiation according to need and controls Oral cavity intracavity shape customization when the sufferer treated is dehisced.The front portion of this dental stent is standing part, and rear portion is a bulging tongue Point.Denture impression groove and mandibular dentition impression groove are respectively equipped with the standing part of this dental stent, upper and lower surface particles, And upper and lower denture impression groove is all deeper, it is to avoid this dental stent wear situation about being moved to sufferer oral area it is ensured that In radiation therapy process this dental stent and upper mandibular bone good position repeatability.The effect of this bulging tongue portion, a side Face is to separate upper mandibular bone and supporting role, makes to jeopardize organ and is fixed on beyond high dose area, reduces radioactive dose;On the other hand Be tongue is fixed on oral cavity bottom it is ensured that in radiation therapy process the position of tongue repeatability.Finally, the consolidating of this dental stent With gas-permeable channels insertion between fixed part and a bulging tongue portion, before the two ends of this gas-permeable channels are respectively opened in rack body The first air-vent in end housing and the second air-vent being opened on the housing of rack body end;Oral cavity with gas-permeable channels Support is conducive to keeping sufferer to wear the airway patency that this dental stent carries out during radiotherapy, and this advantage is for oral and maxillofacial surgery Tumor radiotherapy patient be particularly important, and the situation because of edema of throat airway narrows in its Patients During Radiotherapy happens occasionally;The present invention Dental stent in be provided with the gas-permeable channels of before and after's insertion, and clinically use the mouth containing thing such as stopper in radiotherapy to sufferer at present Compare, can effectively prevent respiratory distress, respiratory movement degree increases and leads to target area displacement error to increase, thus maximum possible Avoid patient and the generation of contingency such as suffocate.
Preferably, the present invention oral cavity radiotherapy with upper and lower separation type support, the cross section of gas-permeable channels is circle, and A diameter of 1~1.5cm of the cross section of this gas-permeable channels.For in theory, cross section is the gas-permeable channels of any shape Play the unobstructed effect of above-mentioned holding patient airway;Preferably, the shape of cross section of gas-permeable channels is set to circle, and this is ventilative The diameter of the cross section of passage is set to 1~1.5cm, in the case that bottom surface maximum diameter is restricted, circular relatively rectangle, pros The other shapes floor space such as shape is maximum, thus ensureing the ventilation maximum of cylinder gas-permeable channels.
Preferably, the present invention oral cavity radiotherapy with upper and lower separation type support, mandibular dentition impression groove and rack body end Vertical dimension between end is 4.5~5cm, both can ensure the pressure tongue effect determining, when dental stent can be avoided long, stimulates again The pars oralis pharyngises of wearer cause the situation of pharynx back wall reflection to occur.
Further, the present invention oral cavity radiotherapy with, in upper and lower separation type support, being provided with around the first air-vent More than three index aperture, index aperture is also opened in rack body front end shell, and extends different depth, mark into rack body Note in the hole places non-co-planar metal marker thing, and this metal marker thing is preferably the stainless steel ball of diameter 3mm.MV level x-ray is with Kang Pu Based on scattering, bone is low with soft-tissue image resolution, and anatomical structure show owes clear, and storing is developed clearly more than three non- Coplanar metal label, can improve the launched field image precision registering with reference picture (DRR image) and speed, contribute to applying EPID carries out the termed image-guided radiotherapy (IGRT) of incidence.Further, since upper jaw bone and skull lean on sutura to link, cranium Maxillary region device The mobile very little of official is it can be assumed that whole head is 1 rigid structural.So in head the coordinate of any point will with 3 with On the change of non-co-planar labelling article coordinate and change.Because of the function of can carrying out image registration based on metal marker, The range of application making the dental stent of the present invention expands further, in addition to being suitable for Oral and maxillofacial tumors radiotherapy, also very suitable Together in being applied in H/N tumors Patients During Radiotherapy.
In theory, the non-co-planar metal marker thing of 3 or more than 3 all can achieve above-mentioned purpose, but label number mistake The difficulty of registration how can be increased, the therefore number of index aperture and label is preferably 3.Additionally, the suitable metal of all size Thing all can realize above-mentioned purpose as metal marker thing, but is wherein easily purchased with stainless steel ball economy, therefore is preferred.Through experimentation Find that the development of diameter 1mm, 2mm steel ball is unclear, the stainless steel ball artifact with diameter greater than 5mm is heavier, therefore preferably diameter 3mm Stainless steel ball, can best meet clinical practice demand.
Further, the present invention oral cavity radiotherapy with upper and lower separation type support, the thickness of shell of rack body is 2~ The thickness of shell of 10mm, preferably rack body is 5~10mm.In general, the thickness of shell of dental stent is at least 2mm. When radiotherapy is carried out away from mucomembranous surface nearer sufferer to tumor, the thickness of shell of dental stent increases to 5 by the present invention~ 10mm, and fit tightly with mucosal surface, so that tumor is in outside built-up areas, it is allowed to play tissue equivalent's implant (Bolus) act on.In clinical radiotherapy irradiation process, patient that some skins or mucosal surface are invaded, need to be with tissue etc. Effect packing material shifts to an earlier date buildup depth to improve field dose.The dental stent housing of the present invention, only needs when making to select Even density, CT value and soft tissue is close, material can be fitted tightly, meet the requirement as Bolus with mucosal surface is made, that is, Tissue equivalent's implant (Bolus) effect can be played.
Purpose according to a second aspect of the present invention, the present invention also provides the above-mentioned oral cavity radiotherapy system of upper and lower separation type support Make method, comprise the steps of:
Step one, data acquisition:
(1) impression taking cream is put in patient's mouth after softening, and occlusion is moulding, takes out and rinses setting under water, obtains thering is this The model of the shell shape with upper and lower separation type support for the oral cavity radiotherapy of invention;
(2) above-mentioned prepared model is carried out CT tomoscan;Obtain each faultage image;
Step 2, sets up geometric model:
(1) CT faultage image obtained above is imported Mimics software, set up threedimensional model;
(2) delineate gas-permeable channels and the index aperture of different depth in MEDCAD module again, then pass through Boolean subtraction calculation 3D view is shown, is finally saved as STL form;
Step 3, sets up physical model:
(1) this STL formatted file is inputted 3D printer, print threedimensional model, be finally built into metal in index aperture Label is simultaneously sealed up for safekeeping, that is, obtain the upper and lower separation type support of the oral cavity radiotherapy of the present invention.
Manufacture method provided by the present invention, integrated use die cream molding, CT scan, MIMICS software, MEDCAD Design and the technology such as 3D printing, can quickly and accurately produce oral cavity radiotherapy according to the customization of sufferer individuation with dividing up and down Every type support.
Brief description
Fig. 1 is the left view with upper and lower separation type support for the oral cavity radiotherapy of the present invention;
Fig. 2 is the top view with upper and lower separation type support for the oral cavity radiotherapy of the present invention;
Fig. 3 is the upward view with upper and lower separation type support for the oral cavity radiotherapy of the present invention;
Fig. 4 is the front view with upper and lower separation type support for the oral cavity radiotherapy of the present invention;
Fig. 5 is the rearview with upper and lower separation type support for the oral cavity radiotherapy of the present invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with each reality to the present invention for the accompanying drawing The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention, In order that reader more fully understands that the application proposes many ins and outs.But, even if there is no these ins and outs and base In following embodiment many variations and modification it is also possible to realize each claim of the application technical side required for protection Case.
The first embodiment of the present invention is related to a kind of radiotherapy of oral cavity with upper and lower separation type support, comprises rack body 1, should Rack body 1 is a hollow shell, and oral cavity intracavity shape when its external shape and people dehisce is coincide, and that is, basis wears this oral cavity Oral cavity intracavity shape personalized customization when the sufferer of support is dehisced forms, and the thickness of shell of rack body 1 is 3mm.
The front portion of this rack body 1 is standing part, and the upper surface housing of standing part and lower surface housing set respectively There are upper denture impression groove 2 and mandibular dentition impression groove 3, on this, distance of denture impression groove 2 and mandibular dentition impression groove 3 is according to sufferer Mouth opening personalized customization, in general, distance is 2cm between upper and lower denture impression groove, the width of standing part Denture concrete condition also according to sufferer is adjusted, and is 3.5cm.Additionally, mandibular dentition impression groove 3 and rack body 1 end it Between vertical dimension be 4.5cm;In the dental stent of present embodiment, upper denture impression groove 2 and mandibular dentition impression groove 3 impressions are equal Relatively deep, when sufferer wears this dental stent, on this, denture impression groove 2 and mandibular dentition impression groove 3 can play preferable fixation, Avoid dental stent to be moved after the wearing, ensure the good position of this dental stent and upper mandibular bone in radiation therapy process Put repeatability.
The rear portion of this rack body 1 is a bulging tongue portion, and the upper surface of a bulging tongue portion is support palatal surface 4, support The curved surface that oral cavity palatal surface shape when palatal surface 4 is dehisced with people for a shape matches, the lower surface of a bulging tongue portion is support Lingual surface 5, the curved surface that oral cavity lingual surface shape when support lingual surface 5 is dehisced with people for a shape matches;This bulging tongue portion Effect, is on the one hand to separate upper mandibular bone and supporting role, makes to jeopardize organ and is fixed on beyond high dose area, reduces and is shone agent Amount;On the other hand be tongue is fixed on oral cavity bottom it is ensured that in radiation therapy process the position of tongue repeatability.Above-mentioned support The shape of palatal surface and support lingual surface is all to carry out intraoral palatal surface and lingual surface shape when radiocurable sufferer is dehisced according to need Personalized customization, in general, mandibular dentition impression go up backward at 0.5~1cm backward diagonal 1cm about constitute support lingual surface before Edge, support lingual surface extends back and about grinds one's teeth in sleep to the 3rd.Support lingual surface in present embodiment must be in close contact with tongue, give simultaneously again Tongue reserves certain space, has both avoided pressing tongue tension to cause discomfort, will not elapse tongue backward again and cause glossoptosis, cause patient to stop up Breath.
Divide and a bulging tongue portion between in fixation portions with gas-permeable channels 6 insertion, the cross section of this gas-permeable channels can Think the circle of diameter 1cm, the two ends of this gas-permeable channels 6 are respectively opened in of the circle in rack body 1 front end shell One air-vent 61 and the second air-vent 62 of the circle being opened on rack body 1 end housing, the oral cavity with gas-permeable channels 6 Support is conducive to holding sufferer to wear this dental stent and carries out airway patency during radiotherapy.
What deserves to be explained is, the number of the gas-permeable channels 6 in present embodiment can also be this gas-permeable channels more than In addition to can be for circular cross section, the cross section of the other shapes such as alternatively oval, square, equally can reach holding sufferer The effect of airway unobstructed.
The dental stent of present embodiment is applied to tumor of head and neck radiotherapy, is particularly suitable in Oral and maxillofacial tumors Use in Patients During Radiotherapy, oral cavity intracavity shape customization when it is dehisced according to sufferer forms, and is carried out with upper and lower dentition impression groove Fix, be supported with support palatal surface and support lingual surface and press tongue.With the current clinically stopper used in Patients During Radiotherapy Compare Deng mouth containing thing, its comfortableness and position repeatability all have a very significant increase, and can stablize, effectively in tumor of head and neck Reduce in radiotherapy and jeopardize the radioactive dose of organ, thus reduce salivary gland function in radiotherapy damage, oral mucosa damage and The sense of taste is damaged, and improves the life quality of sufferer;And it is additionally arranged, in dental stent, the gas-permeable channels running through rack body front and back end, Airway patency can be ensured, further reduce sense of discomfort in accepting radiation therapy process for the sufferer, complying with of sufferer can be improved Property and satisfaction.
Oral cavity radiotherapy involved by second embodiment of the present invention upper and lower separation type support, its structure and the first enforcement The dental stent of mode is essentially identical, and its further improvement is:The thickness of shell of rack body 1 increases to 10mm.
The dental stent of present embodiment, is particularly suitable for tumor away from the nearer sufferer of mucomembranous surface.Present embodiment In dental stent housing select be 3D printing polylactic acid (PLA) material, even density, CT value is close with soft tissue, energy Fit tightly with mucosal surface, meet the requirement as tissue equivalent's implant (Bolus).Thickness of shell increases to the oral cavity of 10mm Support, makes tumor be in outside built-up areas, plays tissue equivalent's implant (Bolus) effect.Compared with first embodiment, this Dental stent in embodiment improve field dose, the conformal degree that improve plan and uniformity, reduce total jumping figure and Jeopardize the radioactive dose of organ.
With upper and lower separation type support, its structure is with first, for oral cavity radiotherapy involved by third embodiment of the present invention The dental stent of two embodiments is essentially identical, and its further improvement is:Set around described first air-vent 61 There are three index aperture 7, index aperture 7 is also opened in rack body 1 front end shell and extends different depth into rack body 1, Non-co-planar metal marker thing is placed in this index aperture 7.
The metal marker thing that present embodiment is placed in index aperture 7 can be the rustless steel steel ball of a diameter of 3mm, MV level X , based on Compton scattering, bone is low with soft-tissue image resolution for line, and anatomical structure shows owes clear, puts development clearly three Non-co-planar metal marker thing, can improve the launched field image precision registering with reference picture (DRR image) and speed, contribute to applying EPID carries out the termed image-guided radiotherapy (IGRT) of incidence.Further, since upper jaw bone and skull lean on sutura to link, cranium Maxillary region device The mobile very little of official is it can be assumed that whole head is 1 rigid structural.So in head, the coordinate of any point will be marked with 3 Remember that the change of article coordinate changes.
Above-mentioned technique effect is confirmed by radiotherapy clinical trial:The image registration being carried out based on non-co-planar metal marker thing Compared with traditional registration based on anatomical structure image, registration error, within 1mm, improves registering speed, and meeting clinic makes With requiring.Because of the function of can carrying out image registration based on metal marker so that the application of the dental stent of the present invention Scope expands further, in addition to being suitable for Oral and maxillofacial tumors radiotherapy, is also admirably suitable for being applied to H/N tumors Patients During Radiotherapy In.
4th embodiment of the present invention, is related to the upper and lower separation type support of oral cavity radiotherapy in above-mentioned 3rd embodiment Manufacturing process, include data acquisition successively, set up geometric model, set up these three steps of physical model, specifically:
Step one:Data acquisition
(1) it is placed in 70 DEG C of hot water with red two pieces of die cream and puts in patient's mouth after softening, advise it to be slowly engaged moulding, Take out after two minutes and rinse setting under cold water, obtain the model with the dental stent shell shape of the present invention.
(2) carry out tomography on the large aperture positioning CT simulated machine tool being placed on GE company to produce on above-mentioned prepared model to sweep Retouch.The condition of scanning:120kv, thickness 0.625mm, away from 0.625mm, each faultage image is directly stored layer with Dicom3.0 standard.
Step 2:Set up geometric model
(1) the CT image of Dicom form is imported Mimics10.01 software, for making oral cavity model details be carried as far as possible Take, repeatedly attempt defining threshold value setting up and cover cover mask, with -400~1000Hu carry out region increase appropriate, through going except process of making an uproar Except redundant data, then set up threedimensional model through calculate3D from mask.
(2) delineate the index aperture of different depth again in MEDCAD module three positions with cylinder paintbrush tool, with When delineate gas-permeable channels, then shown in 3D view by Boolean subtraction calculation, finally saved as Binary STL form, because Standard File Format for cooperation between design software and printer is stl file form.
Step 3:Set up physical model
By this STL formatted file input 3D printer (Makerbot Replicator2 generation), to print parameters according to need It is configured, including base, support, internal filling, wall thickness number of plies etc., then prints threedimensional model, finally in index aperture It is built into metal marker (stainless steel ball) to seal up for safekeeping, that is, obtain the upper and lower separation type support of the oral cavity radiotherapy of the present invention.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention, And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.

Claims (9)

1. a kind of radiotherapy of oral cavity with upper and lower separation type support it is characterised in that comprising rack body (1), described rack body (1) For a hollow shell, oral cavity intracavity shape when its external shape and people dehisce is coincide;
The front portion of described rack body (1) is standing part, and the upper surface housing of described standing part and lower surface housing divide It is not provided with denture impression groove (2) and mandibular dentition impression groove (3);The rear portion of described rack body (1) is a bulging tongue portion, institute The upper surface stating a bulging tongue portion is support palatal surface (4), and described support palatal surface (4) is an oral cavity palate when shape is dehisced with people The curved surface that face shape is coincide;The lower surface of described bulging tongue portion is support lingual surface (5), and described support lingual surface (5) is a shape The curved surface that oral cavity lingual surface shape when shape and people dehisce is coincide;
With gas-permeable channels (6) insertion between described standing part and a bulging tongue portion, the two ends of described gas-permeable channels (6) are respectively For the first air-vent (61) of being opened in rack body (1) front end shell be opened on the housing of rack body (1) end Second air-vent (62);
It is provided with more than 3 index aperture (7) around described first air-vent (61), described index aperture (7) is also opened in support Extend different depth in the front end shell of body (1) and to rack body (1) is interior.
2. oral cavity according to claim 1 radiotherapy with upper and lower separation type support it is characterised in that described gas-permeable channels (6) Cross section be preferably diameter 1~1.5cm circle.
3. oral cavity according to claim 1 radiotherapy with upper and lower separation type support it is characterised in that described mandibular dentition impression groove (3) vertical dimension and described rack body (1) end between is 4.5~5cm.
4. the oral cavity radiotherapy according to any one of claims 1 to 3 with upper and lower separation type support it is characterised in that described mark The number of note hole (7) is preferably 3.
5. oral cavity according to claim 4 radiotherapy with upper and lower separation type support it is characterised in that described labelling in the hole place Non-co-planar metal marker thing.
6. oral cavity according to claim 5 radiotherapy with upper and lower separation type support it is characterised in that described metal marker thing is excellent Elect the stainless steel ball of diameter 3mm as.
7. oral cavity according to claim 6 radiotherapy with upper and lower separation type support it is characterised in that described rack body (1) Thickness of shell be 2~10mm.
8. oral cavity according to claim 7 radiotherapy with upper and lower separation type support it is characterised in that described rack body (1) Thickness of shell be 5~10mm.
9. the manufacture method of upper and lower separation type support of the oral cavity radiotherapy described in claim 7 is it is characterised in that comprise following step Suddenly:
Step one, data acquisition:
(1) impression taking cream is put in patient's mouth after softening, and occlusion is moulding, takes out and rinses setting under water, obtains with the present invention The shell shape with upper and lower separation type support for the oral cavity radiotherapy model;
(2) above-mentioned prepared model is carried out CT tomoscan;Obtain each faultage image;
Step 2, sets up geometric model:
(1) CT faultage image obtained above is imported Mimics software, set up threedimensional model;
(2) gas-permeable channels and the index aperture of different depth are delineated in MEDCAD module again, then by Boolean subtraction calculation in 3D Shown in view, finally saved as STL form;
Step 3, sets up physical model:
(1) this STL formatted file is inputted 3D printer, print threedimensional model, be finally built into metal marker in index aperture Thing is simultaneously sealed up for safekeeping, that is, obtain the upper and lower separation type support of the oral cavity radiotherapy of the present invention.
CN201410312900.XA 2014-07-02 2014-07-02 Vertically-separated support for oral cavity radiotherapy and manufacturing method thereof Expired - Fee Related CN104043205B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410312900.XA CN104043205B (en) 2014-07-02 2014-07-02 Vertically-separated support for oral cavity radiotherapy and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410312900.XA CN104043205B (en) 2014-07-02 2014-07-02 Vertically-separated support for oral cavity radiotherapy and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN104043205A CN104043205A (en) 2014-09-17
CN104043205B true CN104043205B (en) 2017-02-15

Family

ID=51496909

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410312900.XA Expired - Fee Related CN104043205B (en) 2014-07-02 2014-07-02 Vertically-separated support for oral cavity radiotherapy and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN104043205B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104971439A (en) * 2015-07-24 2015-10-14 上海交通大学医学院附属第九人民医院 Tissue equivalent compensator
CN106075736B (en) * 2016-06-22 2018-06-12 成都思维智造科技有限公司 A kind of oral fixing apparatus and preparation method thereof
CN108201470B (en) * 2016-12-16 2021-09-10 上海铂联医疗科技有限公司 Autonomous dental implant robot system and equipment and method thereof
CN108939315B (en) * 2017-05-18 2021-06-18 胡漫 Method for manufacturing buccal device suitable for radiotherapy of head and neck tumor and buccal device
US11730561B2 (en) 2017-07-17 2023-08-22 Board Of Regents, The University Of Texas System Apparatus and methods for three-dimensional printed oral stents for head and neck radiotherapy
CN109125950A (en) * 2018-06-29 2019-01-04 哈尔滨医科大学 A kind of oral cavity radiotherapy mouth containing device bracket and production method
CN109452924B (en) * 2018-10-25 2021-12-24 上海交通大学医学院附属第九人民医院 Preparation method of universal anterior tooth mouth gag
CN109646818B (en) * 2018-12-10 2020-12-25 上海交通大学医学院附属第九人民医院 Oral radiotherapy support
CN112185226B (en) * 2020-08-24 2022-08-26 自贡市第四人民医院(自贡市急救中心) Manufacturing method of simulated lumbar model for training low-age-capital orthopedists to find optimal screw feeding point of lumbar pedicle screw

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101711135A (en) * 2007-03-12 2010-05-19 3M伊姆泰克公司 Stent for implant guide and prosthetics
CN101862176A (en) * 2009-04-20 2010-10-20 四川省肿瘤医院 Mouth gag for radiotherapy of nasopharyngeal darcinoma
CN202822511U (en) * 2012-08-03 2013-03-27 天津医科大学附属肿瘤医院 Individual bite block for radiotherapy
CN203944037U (en) * 2014-07-02 2014-11-19 上海交通大学医学院附属第九人民医院 Upper and lower separation type support for the radiotherapy of oral cavity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101711135A (en) * 2007-03-12 2010-05-19 3M伊姆泰克公司 Stent for implant guide and prosthetics
CN101862176A (en) * 2009-04-20 2010-10-20 四川省肿瘤医院 Mouth gag for radiotherapy of nasopharyngeal darcinoma
CN202822511U (en) * 2012-08-03 2013-03-27 天津医科大学附属肿瘤医院 Individual bite block for radiotherapy
CN203944037U (en) * 2014-07-02 2014-11-19 上海交通大学医学院附属第九人民医院 Upper and lower separation type support for the radiotherapy of oral cavity

Also Published As

Publication number Publication date
CN104043205A (en) 2014-09-17

Similar Documents

Publication Publication Date Title
CN104043205B (en) Vertically-separated support for oral cavity radiotherapy and manufacturing method thereof
Ciocca et al. Computer‐aided design and manufacturing construction of a surgical template for craniofacial implant positioning to support a definitive nasal prosthesis
Lancellotta et al. Individual 3-dimensional printed mold for treating hard palate carcinoma with brachytherapy: A clinical report
CN108187242A (en) Personalized silica gel indemnity for adjusting target of prophylactic radiotherapy dosage and preparation method thereof
JP6391285B2 (en) Oral model and method for manufacturing oral model
CN104323865B (en) Correction micro screw implantation guide plate and preparation method thereof
CN106075736B (en) A kind of oral fixing apparatus and preparation method thereof
CN105361969A (en) Positioning device of oral implanting robot vision navigation system
Yang et al. Automatic superimposition of palatal fiducial markers for accurate integration of digital dental model and cone beam computed tomography
Fisher et al. Evaluation of 3-D printed immobilisation shells for head and neck IMRT
CN204207868U (en) Correction micro screw implantation guide plate
CN109125950A (en) A kind of oral cavity radiotherapy mouth containing device bracket and production method
Matsuzaki et al. The role of dentistry other than oral care in patients undergoing radiotherapy for head and neck cancer
CN104043206B (en) Laterally-separated support for oral cavity radiotherapy and manufacturing method of laterally-separated support
US20150082614A1 (en) Brachytherapy appliance and method
KR20200100448A (en) Apparatus and Method for Registrating Implant Diagnosis Image
CN203944037U (en) Upper and lower separation type support for the radiotherapy of oral cavity
CN107981973A (en) Ear key delivery device and its Method of printing based on 3D printing
CN203944036U (en) Left and right separation type support for the radiotherapy of oral cavity
CN110882490A (en) Preparation method and application method of individualized compensation film
US11730561B2 (en) Apparatus and methods for three-dimensional printed oral stents for head and neck radiotherapy
CN108325085A (en) A kind of radiotherapy individuation mouth containing device and preparation method thereof
Piao et al. Application of additive and subtractive manufacturing technology for a digitally fabricated removable partial denture after a partial maxillectomy: A clinical report
CN108939315B (en) Method for manufacturing buccal device suitable for radiotherapy of head and neck tumor and buccal device
CN208626456U (en) A kind of dental stent for sucking device for making radiotherapy individuation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20140917

Assignee: Shanghai Kaiermei Medical Equipment Co., Ltd.

Assignor: SHANGHAI NINTH PEOPLE'S HOSPITAL SHANGHAI JIAOTONG University SCHOOL OF MEDICINE

Contract record no.: X2022310000055

Denomination of invention: Upper and lower separated stent for oral radiotherapy and method of making the same

Granted publication date: 20170215

License type: Common License

Record date: 20220809

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170215