CN213993777U - Novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device - Google Patents
Novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device Download PDFInfo
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- CN213993777U CN213993777U CN202020519172.0U CN202020519172U CN213993777U CN 213993777 U CN213993777 U CN 213993777U CN 202020519172 U CN202020519172 U CN 202020519172U CN 213993777 U CN213993777 U CN 213993777U
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Abstract
The utility model belongs to the technical field of orthodontic clinic and discloses a novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device, which comprises a main body and a tubular lining; the tubular lining is made of stainless steel tubes, and a circle of outer protruding structures are arranged at the lower end of the tubular lining. The main body includes: a positioning portion, a connecting portion, and a guide portion; the positioning part is provided with a tissue surface for positioning the tooth surface and fitting and a stress surface which is completely fitted with the corresponding tooth surface by virtue of constraint force when bearing pressure; a connecting portion for connecting the positioning portion and the guide portion; a guide portion inside which a tubular liner is placed. Through computer-aided design, a stainless steel sleeve with a smooth inner wall is designed in the guide tube, and the implantation anchorage nail is implanted into the zygomatic alveolar ridge at the top end of the implantation handle under the constraint of the stainless steel sleeve according to the pre-designed position and angle. Can be accurately implanted into the zygomatic crest bony prominence, increases the accuracy and the success rate of clinical application, and has good market prospect.
Description
Technical Field
The utility model belongs to the technical field of just abnormal clinical, especially, relate to a novel zygomatic alveolar ridge implant anchorage nail location direction a little device.
Background
Currently, the current state of the art commonly used in the industry is such that: with the rise of the implant, the application of the micro-screw implant similar to the implant appears in orthodontic clinical correction, and as the micro-implant belongs to a strong anchorage and directly acts on a jaw bone, the problem of anchorage loss can not be generated, so that the micro-implant anchorage has been widely applied to orthodontic clinical correction.
In summary, the problems of the prior art are as follows: the existing clinical method is to combine X-ray image to cut the oral mucosa at the lower part of the zygomatic alveolar ridge for implantation or to implant directly without cutting the mucosa, the zygomatic alveolar ridge is a protrusion of the upper maxillary bone side surface obliquely and backwards, the shape and the direction are different from one person to another, the direct implantation method cannot ensure that the anchorage nail is completely positioned in the zygomatic alveolar ridge protrusion after implantation, and because the implantation position is closer to the maxillary molar root tip, if the distance is too close, the stability of the anchorage nail is influenced and the molar tooth root is damaged.
Disclosure of Invention
Problem to prior art existence, the utility model provides a novel antitorque nail location guider is planted a little to cheekbone alveolar ridge department solves and plants when planting a little to plant the antitorque nail in cheekbone alveolar ridge department in clinical, and skew scheduling problem easily appears in the position.
The utility model is realized in such a way that a novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device comprises a main body and a tubular lining; the main part comprises three parts, is location portion, connecting portion and guide portion in proper order, and nonrust steel tubular inside lining external diameter and guide portion internal diameter phase-match rely on the frictional force maintenance after putting into, and there is a round protuberant structure stainless steel inner tube one side edge simultaneously for the slippage of restriction stainless steel inner tube when the operation.
The tubular lining is made of stainless steel tubes, and a circle of outer protruding structures are arranged at the lower end of the tubular lining.
Further, the body includes: a positioning portion, a connecting portion, and a guide portion;
the positioning part is provided with a tissue surface for positioning the tooth surface and fitting and a stress surface which is completely fitted with the corresponding tooth surface by virtue of constraint force when bearing pressure;
a connecting part for connecting the positioning part and the guiding part
A guide portion inside which a tubular liner is placed.
Further, the guide part adopts a tubular structure.
Further, the outer diameter of the guide portion is 7.5mm, the inner diameter is 5.5mm, and the height is 8 mm.
Further, the outer diameter of the outer protrusion structure is the same as the inner diameter of the guide tube.
Further, the inner diameter of the outer convex structure is larger than the diameter of the head end of the micro-implant anchorage nail implantation handle rod.
In summary, the advantages and positive effects of the invention are:
(1) novel just abnormal implant anchorage nail location direction device a little passes through computer aided design to at the smooth stainless steel sleeve of guide pipe internal design, realize implanting the handle top and will implant anchorage nail according to predesigned position and angle and implant the cheekbone alveolar ridge under the stainless steel sleeve restraint.
(2) Implant anchorage nail location guider combines together patient's jaw CBCT and intraoral scan data and designs in the digital software of 3shape, and print through Objet30 Dental print 3D printer and form, print the material and be resin material, it is more lower for laminating and rotation resistance to implant the handle top in order to make device guide part pipe wall and planting body, the stainless steel sleeve pipe of smooth surface of design in the stand, make sheathed tube internal diameter and planting body plant the external diameter on handle top laminate mutually, and pass through just, such design makes the position and the angle of planting body can accurate definite, avoid the skew. And the inner diameter of the stainless steel sleeve can be changed according to the diameter of the screwdriver head of the implant, and the stainless steel sleeve is easy to sterilize and use and is more convenient to use.
(3) Through implant anchorage nail location guiding device implants can be accurately implanted in zygomatic alveolar ridge crest bone is protruding, has increased clinical application's rate of accuracy and success rate, has good market prospect.
(4) When the micro-implant is implanted clinically, the implantation position and the implantation angle are determined by the naked eyes of a doctor mainly according to a radioactive ray two-dimensional or three-dimensional image, the implantation accuracy is poor, and the bone quantity around the implanted anchorage nail and the distance between the implanted anchorage nail and a tooth root are directly influenced. Therefore, the utility model discloses a based on three-dimensional image predesign implant channel of implant anchorage nail in software, guarantee to plant anchorage nail and implant in the zygomatic alveolar ridge, make bone mass around it sufficient to keep away from the root of a tooth as far as possible, showing stability and the security that has improved the implantation.
(5) The utility model relates to an in the whole 3Shape software suit of use (3 Shape company in red-ish), the built-in data of software can restore the Shape of planting anchorage nail as far as possible, make the design more accurate. Through postoperative CBCT verification, the position and the angle of the implant anchorage nail are accurate after the novel implant anchorage nail positioning and guiding device is used in the operation. The whole device is positioned by utilizing the surface form of the tooth, and the retention is pressed by one hand, so that the positioning accuracy and the retention firmness are ensured. The guide catheter is designed according to different planting handles, and a certain length of the guide catheter is ensured, so that the implantation angle can be as close to the design angle as possible. The image of scanning in the mouth is added, has avoided the intraoral ware of correcting during the design, can design the implantation position simultaneously, guarantees to plant the anchorage nail and exposes the part and be located attached gum, does benefit to later stage use and clean and be difficult for being wrapped up by the mucous membrane. The 3D printing technology is adopted during manufacturing, the cost is saved, and the stainless steel liner tube can be sterilized and repeatedly used, so that the clinical popularization is facilitated.
Drawings
Fig. 1 is a schematic structural view of a novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device provided by the embodiment of the utility model.
Fig. 2 is a cross-sectional view a-a of fig. 1 according to an embodiment of the present invention.
Fig. 3 is a usage state diagram of the novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device provided by the embodiment of the utility model.
In the figure: 1. a tooth root; 2. a tooth; 3. zygomatic alveolar ridge; 4. a positioning part; 5. a connecting portion; 6. a guide section; 7. a tubular liner.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Aiming at the problems in the prior art, the invention provides a novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device, which is described in detail in the following by combining the attached drawings 1 to 3.
This novel zygomatic alveolar ridge microimplant anchorage nail location guider includes a main part and a tubular inside lining 7, and the main part comprises three interconnect's part, is respectively: a positioning part 4, a connecting part 5 and a guiding part 6. The positioning part 4 is a cuboid plate-shaped structure, the surface with larger area is matched with the occlusal surface of teeth, the connecting part 5 is a rod-shaped structure, one end of the connecting part is connected with the edge of the positioning part 4 at a certain angle, the other end of the connecting part is connected with the outer side of the guiding part 6 at an angle, the guiding part 6 is a cylindrical structure, the inner side of the guiding part is provided with a stainless steel inner tube,
the positioning part 4 is provided with an organization surface and a stress surface, the organization surface is jointed with the surfaces (the bucco-lingual side and the occlusal surface) of 2 or 3 teeth for positioning, and the positioning part 4 is completely jointed with the corresponding tooth surface by depending on the constraint force when the stress surface bears the pressure.
The connecting portion 5 is used to connect the positioning portion 4 and the guide portion 6, and is curved.
The guiding part 6 is a tubular structure and is used for guiding the implantation direction of the micro-implant to point to the lower part of the zygomatic alveolar ridge 3, and the outer diameter of the guiding part is 7.5mm, the inner diameter of the guiding part is 5.5mm, and the height of the guiding part is 8 mm.
The tubular lining 7 is made of medical stainless steel, the inner surface of the tubular lining is smooth and can be sterilized and disinfected repeatedly, the tubular lining is arranged inside the tubular structure of the guide part 6, a circle of outer protruding structure is arranged at the lower end of the tubular lining and used for limiting the position of the tubular lining, the outer diameter of the tubular lining is the same as the inner diameter of the guide pipe, the tubular lining is connected with the guide pipe by virtue of friction force, the inner diameter of the tubular lining is slightly larger than the diameter of the head end of the micro-implant anchorage nail implant handle rod, and the tubular lining can pass through the micro-implant anchorage nail and is constrained in direction.
The main structure is formed by printing through a 3D printer according to CBCT scanning and intraoral scanning results of a patient, and the stainless steel tubular lining 7 is formed by casting according to the inner diameter determined by the diameters of different implanted handle rod heads.
The utility model discloses at first obtain patient jaw face CBCT scan data and the intraoral soft or hard tissue optical scanning data of patient. Then, the CBCT data and the intraoral scanning data are led into 3Shape Ortho Analyzer software for three-dimensional image registration, and then the 3Shape application Designer software is used for designing a positioning and guiding device on the jaw bone-dentition three-dimensional image which is already registered into a whole. Finally, an Objet30 Dental print 3D printer is used for printing a guide plate, and the manufactured device is clinically applied to implantation of the micro-implant anchorage nail.
More detailed procedures are as follows:
(1) CBCT and intraoral scanning
Firstly, carrying out CBCT examination on the maxillofacial region of a patient, obtaining Dicom-format maxillofacial hard tissue data comprising important anatomical structures such as tooth roots 1, maxillary sinuses, mandibular nerve canals and the like, scanning soft and hard tissues in the mouth of the patient by using a 3Shape Trios intraoral scanner, requiring to scan all soft and hard tissues including dentition, gingiva and mucous membrane tissues in a region to be implanted, and processing the tissues by using software to obtain an STL-format file of the digital three-dimensional image of the soft and hard tissues in the mouth.
(2) Three-dimensional coincidence of CBCT and intraoral scan data
Introducing Dicom format data obtained by CBCT scanning and STL format data obtained by oral scanning into 3Shape Ortho Analyzer software, using automatic 3-point alignment and manual fine adjustment to coincide CBCT and three-dimensional image of oral scanning, combining the forms of soft tissues in the mouth which can not be accurately obtained by CBCT and hard tissues such as tooth root 1 and zygomatic crest 3 which can not be obtained by oral scanning into an integral three-dimensional image, and exporting.
(3) Positioning and guiding device for anchorage nail for design and planting
And importing the overlapped integral three-dimensional data into 3Shape application Designer software to design a positioning guide device. Research shows that the safe distance between the micro-implant and the tooth root 1 should be more than 1.5mm, and in combination with the conditions of the tooth root 1, the zygomatic alveolar ridge 3 and the length of the anchorage nail, the implantation site and the implantation angle of the implantation anchorage nail are designed according to the condition that the anchorage nail is implanted into the bone part which is positioned in the zygomatic alveolar ridge 3 and is more than 1.5mm away from the tooth root 1, and the part which is exposed in the oral cavity and is positioned at the position close to the gum attached to the turning area of the mucous membrane. The device is positioned by means of the shape of the adjacent teeth 2, meanwhile, the existing appliance in the mouth is avoided, the diameter of the catheter of the device is the diameter of the top end of the implanted handle, and the catheter has a certain length, so that the angle in the implantation process is always the designed angle.
(4) Manufacture of devices
And (3) importing the three-dimensional data of the designed device into an Objet30 digital print 3D printer, and printing and molding. And simultaneously, the stainless steel lining pipe is manufactured by casting according to the diameter of the top end of the implantation nail implantation handle.
The utility model discloses an application method of novel just abnormal anchorage nail location guider will be according to the individualized anchorage nail location guider of planting of patient preparation, and whole device is through the constraining force accurate positioning on implanting near position 2-3 teeth 2, and guide portion 6 corresponds 1 cusp district zygomatic crest 3 prominences of maxillary grinding tooth root, then uses the planting anchorage nail implantation handle that top diameter matches to implant the anchorage nail according to the implantation site and the angle implantation zygomatic crest 3 that guide portion 6 middle stainless steel liner tube 7 guided. After implantation, the handle is separated from the anchorage nail and is moved out of the mouth together with the positioning and guiding device.
Novel just abnormal little implantation anchorage nail location guider's theory of operation is through the tubular structure 6 that has certain length, and the handle is planted in 7 controls the direction of advancing at the implantation in-process, and the position and the angle of 6 pipelines in guide portion are confirmed according to soft or hard tissue in the mouth and the jaw three-dimensional image, guarantee to plant anchorage nail and can implant in the zygomatic alveolar ridge 3 and avoid root of tooth 1. Through placing the smooth stainless steel liner tube 7 of inner wall that laminates mutually with implantation handle top external diameter at 6 pipes in guide portion, locus and angle are implanted in more accurate guide, because of the smooth and with the implantation handle top diameter of inner wall of stainless steel liner tube 7 more laminate, have reduced the frictional force of implantation in-process to improve accuracy nature and stability, increased the success rate of implantation.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (6)
1. A novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device is characterized by comprising a main body and a tubular lining;
the tubular lining is made of stainless steel tubes, and a circle of outer protruding structures are arranged at the lower end of the tubular lining.
2. The novel zygomatic alveolar ridge microimplant anchorage pin positioning guide device of claim 1, wherein the body comprises: a positioning portion, a connecting portion, and a guide portion;
the positioning part is provided with a tissue surface for positioning the tooth surface and fitting and a stress surface which is completely fitted with the corresponding tooth surface by virtue of constraint force when bearing pressure;
a connecting portion for connecting the positioning portion and the guide portion;
a guide portion inside which a tubular liner is placed.
3. The novel zygomatic alveolar ridge micro-implant anchorage nail positioning guide device according to claim 2, wherein the guide part is of a tubular structure.
4. The novel zygomatic alveolar ridge micro-implant anchorage nail positioning guide device of claim 2, wherein the guide part has an outer diameter of 7.5mm, an inner diameter of 5.5mm and a height of 8 mm.
5. The novel zygomatic alveolar ridge micro-implant anchorage nail positioning guide device according to claim 1, wherein the outer diameter of the outer convex structure is the same as the inner diameter of the guide tube.
6. The novel zygomatic alveolar ridge micro-implant anchorage nail positioning guide device of claim 1, wherein the inner diameter of the outer convex structure is larger than the diameter of the head end of the stem of the micro-implant anchorage nail implantation handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519172.0U CN213993777U (en) | 2020-04-10 | 2020-04-10 | Novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519172.0U CN213993777U (en) | 2020-04-10 | 2020-04-10 | Novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device |
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| CN213993777U true CN213993777U (en) | 2021-08-20 |
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| CN202020519172.0U Expired - Fee Related CN213993777U (en) | 2020-04-10 | 2020-04-10 | Novel zygomatic alveolar ridge micro-implant anchorage nail positioning and guiding device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366355A (en) * | 2022-01-10 | 2022-04-19 | 南方医科大学 | Auxiliary implantation device for anchorage nail and use method thereof |
| CN114948288A (en) * | 2022-05-17 | 2022-08-30 | 四川大学 | Navigation device for assisting implantation of maxillary bone arch expander implantation anchorage nail |
| CN115414146A (en) * | 2022-06-28 | 2022-12-02 | 北京联袂义齿技术有限公司 | Improved method for manufacturing orthodontic miniscrew guide plate |
-
2020
- 2020-04-10 CN CN202020519172.0U patent/CN213993777U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366355A (en) * | 2022-01-10 | 2022-04-19 | 南方医科大学 | Auxiliary implantation device for anchorage nail and use method thereof |
| CN114948288A (en) * | 2022-05-17 | 2022-08-30 | 四川大学 | Navigation device for assisting implantation of maxillary bone arch expander implantation anchorage nail |
| CN115414146A (en) * | 2022-06-28 | 2022-12-02 | 北京联袂义齿技术有限公司 | Improved method for manufacturing orthodontic miniscrew guide plate |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |