CN101637413B - Maxillary bone repair stent and manufacturing method thereof - Google Patents
Maxillary bone repair stent and manufacturing method thereof Download PDFInfo
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- CN101637413B CN101637413B CN2009100918455A CN200910091845A CN101637413B CN 101637413 B CN101637413 B CN 101637413B CN 2009100918455 A CN2009100918455 A CN 2009100918455A CN 200910091845 A CN200910091845 A CN 200910091845A CN 101637413 B CN101637413 B CN 101637413B
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- upper jaw
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- maxillary bone
- bone
- repair stent
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Abstract
The invention relates to a maxillary bone repair stent which can be in line with requirements on large-area maxillary bone defect shape repair and the like and a manufacturing method thereof. The maxillary bone repair stent is characterized in that the maxillary bone repair stent comprises a maxillary bone-shaped stent body, four protrudent connecting areas with sunk hole array structures are sequentially distributed on the upper edge of the maxillary bone-shaped stent body, and the connecting areas are the right cheekbone connecting area, the right piriform aperture connecting area, the left piriform aperture connecting area and the left cheekbone connecting area respectively; a piriform aperture shape repair area is arranged between the right piriform aperture connecting area and the left piriform aperture connecting area; a maxillary bone grafting area is distributed on the lower edge of the maxillary bone-shaped stent body; a maxillary alveolar area is distributed between the upper edge and the lower edge of the maxillary bone-shaped stent body; and the maxillary bone grafting area and the maxillary alveolar area both have through hole array structures.
Description
Technical field
The present invention relates to the implant infrastructure body object that in the clinical defect of maxilla prosthesis of medical treatment, uses, particularly a kind ofly can meet maxillary bone repair stent and the manufacture method that large tracts of land defect of maxilla form reparation etc. requires.
Background technology
Owing to reasons such as congenital development problem, gene mutation, tumor resection or wounds, caused the damaged of upper jaw bone, also influenced the basic function of inside, patient oral cavity simultaneously, make a big impact for patient's basic life.Existing medical treatment general using minitype titanium plate and autologous transplanting bone is clinically repaired.But the application clinically of this kind method has bigger limitation.At first it only is applicable to and transplants fibula isocortex bone, and secondly, the minitype titanium plate is the unified specification product, generally only is used for wounds such as repair of bone fractures, can not reach requirements such as large tracts of land defect of maxilla form and function reparation, does not satisfy clinical demand far away.
Summary of the invention
The present invention is directed to the defective or the deficiency that exist in the prior art, a kind of maxillary bone repair stent and manufacture method that can meet requirements such as large tracts of land defect of maxilla form reparation is provided.Described maxillary bone repair stent has the effect of form reparation and function reparation concurrently, thereby satisfies patient's individual demand.
Technical scheme of the present invention is as follows:
Maxillary bone repair stent, it is characterized in that, comprise upper jaw bone shape rack body, the bonding pad that all has the counterbore array structure of four projectioies that distribute successively in the upper edge of described upper jaw bone shape rack body: cheekbone bonding pad, right side, apertura piriformis bonding pad, right side, apertura piriformis bonding pad, left side and cheekbone bonding pad, left side; It between apertura piriformis bonding pad, described right side and apertura piriformis bonding pad, left side apertura piriformis form reparation district; Upper jaw bone graft area is distributing in the lower edge of described upper jaw bone shape rack body; The alveoli dentales maxillae district is distributing between the upper edge of described upper jaw bone shape rack body and lower edge; Described upper jaw bone graft area and alveoli dentales maxillae district all have the via-hole array structure.
Described upper jaw bone graft area has and extends back the U type structure that is used to fill spongy bone or powdery bone along the lower edge of described upper jaw bone shape rack body.
Described upper jaw bone graft area has the angular structure that extends back in the top position, lower edge of described upper jaw bone shape rack body, and described angular structure is used for the block bone of two-sided fixedly implantation.
Counter bore hole diameters scope in the described counterbore array structure is 1.0mm～5.0mm, and the through-hole diameter scope in the described via-hole array structure is 1.0mm～5.0mm.
The counterbore in the described counterbore array structure and the centre-to-centre spacing scope of counterbore are 1.0mm～5.0mm, and the through hole in the described via-hole array structure and the centre-to-centre spacing scope of through hole are 1.0mm～5.0mm.
Metal or nonmetallic materials that described upper jaw bone shape rack body adopts permanent implanted cranio-maxillofacial to repair.
Described upper jaw bone shape rack body adopts the surgical implant that satisfies 13810 standards with pure titanium or titanium alloy material, perhaps adopts six aluminum, the seven niobium titanium alloy materials that satisfy ISO or ASTM standard.
The manufacture method of described maxillary bone repair stent is characterized in that may further comprise the steps:
A. gather CT or MRI image that the patient comprises the upper jaw bone zone, obtain the view data of DICOM form;
B. utilize the view data of described DICOM form to carry out three-dimensional reconstruction, on the basis of reconstructed image, carry out the design of maxillary bone repair stent then in conjunction with three-dimensional reconstruction software;
C. the designing requirement inner surface of described maxillary bone repair stent will be fitted with the eclipsed surface of bone of institute, and outer surface will meet repairs required form;
D. but the data that the design of described maxillary bone repair stent is finished are converted to process data, adopt numer centre or CNC milling machine to carry out digitized processing then, process the blank of maxillary bone repair stent;
E. maxillary bone repair stent is carried out post-production and handle, comprising punching, the polishing operation.
CT full name in the medical science: computed tomography, CT are a kind of multiple functional state of an illness detection instruments, and it is that electronic computer x-ray tomography technology is called for short.
MRI is the abbreviation of Magnetic Resnane Iamging, and Chinese is nuclear magnetic resonance.The abbreviation of cad-Computer Aided Design, i.e. computer-aided design.
DICOM is the english abbreviation of Digital Imaging and Communications in Medicine, i.e. digital imaging and communications in medicine.In dicom standard specific definition the composition form and the switching method of image and relevant information thereof, utilize this standard, people can set up the I/O work that an interface is finished image data on image documentation equipment.
Technique effect of the present invention is as follows:
Maxillary bone repair stent of the present invention can meet the reparation of large tracts of land defect of maxilla form, has the effect that form reparation and function are repaired concurrently, thereby satisfies patient's individual demand.
Maxillary bone repair stent of the present invention and manufacture method not only have personalization features, and have the effect of form reparation and function reparation concurrently.Maxillary bone repair stent of the present invention is primarily aimed at the large defect reparation in upper jaw bone, for it provides a kind of total solution.Recovery support configuration and the match mutually of patient's upper jaw form, support has the bone grafting groove, is convenient to the doctor and carries out from a series of operations such as the transplanting of body bone and Dental Implant.
Description of drawings
Fig. 1 is the structural representation of maxillary bone repair stent of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the user mode figure of maxillary bone repair stent of the present invention.
Reference numeral lists as follows:
Cheekbone bonding pad, 1-right side, apertura piriformis bonding pad, 2-right side, apertura piriformis bonding pad, 3-left side, cheekbone bonding pad, 4-left side, 5-alveoli dentales maxillae district, 6-upper jaw bone graft area, 7-apertura piriformis form reparation district.
The specific embodiment
(Fig. 1-Fig. 3) the present invention will be described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of maxillary bone repair stent of the present invention, and Fig. 2 is the vertical view of Fig. 1.As depicted in figs. 1 and 2, maxillary bone repair stent, comprise upper jaw bone shape rack body, the bonding pad that all has the counterbore array structure of four projectioies that distribute successively in the upper edge of described upper jaw bone shape rack body: cheekbone bonding pad, right side 1, apertura piriformis bonding pad, right side 2, apertura piriformis bonding pad 3, left side and cheekbone bonding pad, left side 4; It between apertura piriformis bonding pad, described right side 2 and apertura piriformis bonding pad, left side 3 apertura piriformis form reparation district 7; Upper jaw bone graft area 6 is distributing in the lower edge of described upper jaw bone shape rack body; Alveoli dentales maxillae district 5 is distributing between the upper edge of described upper jaw bone shape rack body and lower edge; Described upper jaw bone graft area 6 and alveoli dentales maxillae district 5 all have the via-hole array structure.
Described upper jaw bone graft area has and extends back the U type structure that is used to fill spongy bone or powdery bone along the lower edge of described upper jaw bone shape rack body; Perhaps, described upper jaw bone graft area has the angular structure that extends back in the top position, lower edge of described upper jaw bone shape rack body, and described angular structure is used for the block bone of two-sided fixedly implantation.
Counter bore hole diameters scope in the described counterbore array structure is 1.0mm～5.0mm, and the through-hole diameter scope in the described via-hole array structure is 1.0mm～5.0mm.The counterbore in the described counterbore array structure and the centre-to-centre spacing scope of counterbore are 1.0mm～5.0mm, and the through hole in the described via-hole array structure and the centre-to-centre spacing scope of through hole are 1.0mm～5.0mm.Metal or nonmetallic materials that described upper jaw bone shape rack body adopts permanent implanted cranio-maxillofacial to repair.Described upper jaw bone shape rack body adopts the surgical implant that satisfies 13810 standards with pure titanium or titanium alloy material, perhaps adopts six aluminum, the seven niobium titanium alloy materials that satisfy ISO or ASTM standard.
The manufacture method of described maxillary bone repair stent may further comprise the steps:
A. gather CT or MRI image that the patient comprises the upper jaw bone zone, obtain the view data of DICOM form;
B. utilize the view data of described DICOM form to carry out three-dimensional reconstruction, on the basis of reconstructed image, carry out the design of maxillary bone repair stent then in conjunction with three-dimensional reconstruction software;
C. the designing requirement inner surface of described maxillary bone repair stent will be fitted with the eclipsed surface of bone of institute, and outer surface will meet repairs required form;
D. but the data that the design of described maxillary bone repair stent is finished are converted to process data, adopt numer centre or CNC milling machine to carry out digitized processing then, process the blank of maxillary bone repair stent;
E. maxillary bone repair stent is carried out post-production and handle, comprising punching, the polishing operation.
Fig. 3 is the user mode figure of maxillary bone repair stent of the present invention.This shows that maxillary bone repair stent is installed in the situation of patient's defect.
The effect of each several part is as follows in the maxillary bone repair stent:
1, right side cheekbone bonding pad---have counter bore structure, be used for recovery support is connected with the right side cheekbone;
2, right side apertura piriformis bonding pad---have counter bore structure, be used for recovery support is connected with the residual bone of right side apertura piriformis;
3, left side apertura piriformis bonding pad---have counter bore structure, be used for recovery support is connected with the residual bone of right side apertura piriformis;
4, left side cheekbone bonding pad---have counter bore structure, be used for recovery support is connected with the left side cheekbone;
5, alveoli dentales maxillae district---have through-hole structure, major function has two, and one for supporting upper jaw zone soft tissue, recovers patient's facial shape;
6, upper jaw bone graft area---have through-hole structure, be used for bone grafting, be used for the Dental Implant of second phase.Its form can be " L " type structure or angular structure, also can be " positive U " type structure, and " L " type structure generally is used for fixing the monoblock fibula of implantation, and " positive U " type structure generally is used to fill powdery bones such as spongy bone or artificial bone.
7, apertura piriformis form reparation district---suitable with residual apertura piriformis structure, be used to repair the configuration of apertura piriformis.
Personalized maxillary bone repair stent can be processed with following material:
1, the surgical implant that satisfies 13810 standards is with pure titanium or titanium alloy material.
2, satisfy six aluminum, the seven niobium titanium alloy materials of ISO or ASTM standard.
3, individual event titanium alloy T LM and TLE etc. (Xibei Inst. of Non-Ferrous Metals is being applied for adding surgical implant and processed the material national standard with titanium or titanium alloy at present).
4, other can be used for metal or nonmetallic materials that permanent implanted cranio-maxillofacial is repaired.
The work flow of personalized maxillary bone repair stent:
1, gathers patient CT or MRI image, obtain the view data of DICOM form.
2, utilize relevant three-dimensional reconstruction software to carry out three-dimensional reconstruction, on the basis of reconstructed image, carry out the design of recovery support then.
3, design feature comprises that inner surface is wanted and eclipsed surface of bone is fitted closely, and outer surface will meet repairs required form.
4, after Design and Machining goes out blank, recovery support is carried out post-production handle, comprising punching, operations such as polishing.
Should be pointed out that the above specific embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore, although this description has been described in detail the invention with reference to drawings and Examples,, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the invention, and it all is encompassed in the middle of the protection domain of the invention patent.
Claims (8)
1. maxillary bone repair stent, it is characterized in that, comprise upper jaw bone shape rack body, the bonding pad that all has the counterbore array structure of four projectioies that distribute successively in the upper edge of described upper jaw bone shape rack body: cheekbone bonding pad, right side, apertura piriformis bonding pad, right side, apertura piriformis bonding pad, left side and cheekbone bonding pad, left side; It between apertura piriformis bonding pad, described right side and apertura piriformis bonding pad, left side apertura piriformis form reparation district; Upper jaw bone graft area is distributing in the lower edge of described upper jaw bone shape rack body; The alveoli dentales maxillae district is distributing between the upper edge of described upper jaw bone shape rack body and lower edge; Described upper jaw bone graft area and alveoli dentales maxillae district all have the via-hole array structure.
2. maxillary bone repair stent according to claim 1 is characterized in that, described upper jaw bone graft area has and extends back the U type structure that is used to fill spongy bone or powdery bone along the lower edge of described upper jaw bone shape rack body.
3. maxillary bone repair stent according to claim 1, it is characterized in that, described upper jaw bone graft area has the angular structure that extends back in the top position, lower edge of described upper jaw bone shape rack body, and described angular structure is used for the block bone of two-sided fixedly implantation.
4. maxillary bone repair stent according to claim 1 is characterized in that, the counter bore hole diameters scope in the described counterbore array structure is 1.0mm～5.0mm, and the through-hole diameter scope in the described via-hole array structure is 1.0mm～5.0mm.
5. maxillary bone repair stent according to claim 1, it is characterized in that, the counterbore in the described counterbore array structure and the centre-to-centre spacing scope of counterbore are 1.0mm～5.0mm, and the through hole in the described via-hole array structure and the centre-to-centre spacing scope of through hole are 1.0mm～5.0mm.
6. maxillary bone repair stent according to claim 1 is characterized in that, metal or nonmetallic materials that described upper jaw bone shape rack body adopts permanent implanted cranio-maxillofacial to repair.
7. maxillary bone repair stent according to claim 1, it is characterized in that, described upper jaw bone shape rack body adopts the surgical implant that satisfies 13810 standards with pure titanium or titanium alloy material, perhaps adopts six aluminum, the seven niobium titanium alloy materials that satisfy ISO or ASTM standard.
8. as the manufacture method of one of above-mentioned claim 1-7 described maxillary bone repair stent, it is characterized in that may further comprise the steps:
A. gather CT or MRI image that the patient comprises the upper jaw bone zone, obtain the view data of DICOM form;
B. utilize the view data of described DICOM form to carry out three-dimensional reconstruction, on the basis of reconstructed image, carry out the design of maxillary bone repair stent then in conjunction with three-dimensional reconstruction software;
C. the designing requirement inner surface of described maxillary bone repair stent will be fitted with the eclipsed surface of bone of institute, and outer surface will meet repairs required form;
D. but the data that the design of described maxillary bone repair stent is finished are converted to process data, adopt numer centre or CNC milling machine to carry out digitized processing then, process the blank of maxillary bone repair stent;
E. maxillary bone repair stent is carried out post-production and handle, comprising punching, the polishing operation.
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| CN2009100918455A CN101637413B (en) | 2009-08-27 | 2009-08-27 | Maxillary bone repair stent and manufacturing method thereof |
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| CN2009100918455A CN101637413B (en) | 2009-08-27 | 2009-08-27 | Maxillary bone repair stent and manufacturing method thereof |
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| CN101637413B true CN101637413B (en) | 2011-04-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8435270B2 (en) | 2010-04-29 | 2013-05-07 | Synthes Usa, Llc | Orthognathic implant and methods of use |
| CA2795668C (en) | 2010-04-29 | 2017-05-16 | Synthes Usa, Llc | Orthognathic implant and methods of use |
| US9066733B2 (en) | 2010-04-29 | 2015-06-30 | DePuy Synthes Products, Inc. | Orthognathic implant and methods of use |
| FR2999071A1 (en) | 2012-12-12 | 2014-06-13 | Obl | METHOD FOR REPOSITIONING BONE FRAGMENTS FOR BONE SURGERY BASED ON THE USE OF IMPLANTS AND CUSTOM GUIDES |
| CN103961153B (en) * | 2014-04-09 | 2017-02-22 | 浙江工业大学 | Fibula bone cutting positioning device and manufacturing method thereof |
| CN105105853B (en) * | 2015-09-29 | 2017-07-28 | 李焰 | A kind of bone-operating guide plate preparation method based on 3D printing |
| CN109926582B (en) * | 2017-12-15 | 2020-06-09 | 中国科学院福建物质结构研究所 | Preparation method of medical titanium-niobium alloy product |
| CN109124830B (en) * | 2018-06-22 | 2021-02-05 | 上海交通大学医学院附属第九人民医院 | Prosthesis manufacturing method based on digital design and numerical control machining manufacturing |
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