CN209827047U - Fixed assembly of planting guide plate - Google Patents
Fixed assembly of planting guide plate Download PDFInfo
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- CN209827047U CN209827047U CN201920295187.0U CN201920295187U CN209827047U CN 209827047 U CN209827047 U CN 209827047U CN 201920295187 U CN201920295187 U CN 201920295187U CN 209827047 U CN209827047 U CN 209827047U
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Abstract
The utility model relates to the technical field of medical equipment, a fixed subassembly of baffle is planted is provided. The component comprises an anchorage nail and a nail seat, wherein the outer wall of the first end of the anchorage nail is provided with an external thread, and the second end of the anchorage nail is provided with a driving position matched with an installation tool; the first end of nail seat with the connection can be dismantled to the second end of anchorage nail, the second end of nail seat be the toper structure, be used for with plant the draw-in groove joint on the baffle. The utility model has the advantages of being simple in structure and simple in operation, can firmly fix the planting baffle in the patient oral cavity, avoid follow-up kind of tooth in-process to plant the baffle and take place the skew, guaranteed the precision of kind of tooth. In addition, because the jaw bone of the oral cavity of the patient is a curved surface, the axis of the anchorage nail screwed into the jaw bone of the oral cavity of the patient is likely to incline relative to the vertical surface. The utility model discloses a set up the second end of nailing seat into the toper structure, just probably insert smoothly the second end of nailing seat and plant the baffle, avoid it and plant the draw-in groove on the baffle and take place to interfere.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a fixed subassembly of baffle is planted.
Background
With the increasing attention of people on oral health and the wide clinical popularization of oral implantation technology, more and more patients begin to choose to implant and repair missing teeth.
Because the oral cavity has the characteristics of non-direct vision, narrow space and the like, and the oral implant surgery needs to be performed with a series of precise operations in the oral cavity under the condition of local anesthesia, the complications of the oral implant surgery are high. At present, with the development of computer technology, the surgical navigation brings revolutionary changes to the surgical operation with the advantages of precision, flexibility, minimal invasion and the like, leads the modern medicine to move from intuition medical treatment to precision medical treatment, and has already developed the related work and research of oral implantation navigation at home and abroad, but the existing oral implantation navigation operation has the following problems: for a patient with more missing teeth, particularly a patient without a tooth jaw with missing dentition, the implanting guide plate is mainly fixed by mucous membrane in the operation process, and the mucous membrane has certain elasticity, so that the implanting guide plate is easy to deviate, and the final tooth implanting precision is further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the planting guide plate in the oral planting operation can not be firmly fixed and can easily deviate, thereby influencing the final tooth planting precision.
In order to solve the problems, the utility model provides a fixing component of a planting guide plate, which comprises an anchorage nail and a nail seat, wherein the outer wall of the first end of the anchorage nail is provided with an external thread, and the second end of the anchorage nail is provided with a driving position used for being matched with an installation tool; the first end of nail seat with the connection can be dismantled to the second end of anchorage nail, the second end of nail seat be the toper structure, be used for with plant the draw-in groove joint on the baffle.
The cross section of the second end of the anchorage nail is polygonal, and the driving position is a polygonal prism structure on the anchorage nail.
The end face of the second end of the anchorage nail is provided with a first threaded hole, the nail seat is longitudinally penetrated and provided with a stepped hole, a screw rod of the screw penetrates through the stepped hole and is in threaded fit connection with the first threaded hole, and the head of the screw is abutted to the stepped face of the stepped hole.
The end face of the second end of the anchorage nail is provided with a conical bulge protruding outwards, and the first threaded hole longitudinally penetrates through the conical bulge; the nail seat is internally provided with a ring groove which is communicated with the small end of the stepped hole and is coaxial with the stepped hole so as to form a positioning groove for inserting the conical bulge.
The driving position is a mounting hole formed in the end face of the second end of the anchorage nail, and the mounting hole is used for being connected with the inner angle wrench in a matched mode.
The outer wall of the second end of the anchorage nail is provided with an external thread, and the end face of the first end of the nail seat is provided with a second threaded hole which is in threaded fit connection with the second end of the anchorage nail.
The nail seat cover is detachably covered on the nail seat.
The utility model has simple structure and convenient operation, and when in operation, the first end of the anchorage nail is screwed into the oral jaw bone of a patient by using the mounting tool; next, connecting the first end of the nail seat to the second end of the anchorage nail, and exposing the nail seat out of the oral jaw bone of the patient; then determining the position of the anchorage nail in the jaw bone of the oral cavity of the patient; then, a clamping groove is formed in the implant guide plate according to the position of the anchorage nail in the jaw bone of the oral cavity of the patient; finally, the clamping groove of the planting guide plate is clamped into the second end of the nail seat, namely the conical structure, so that the planting guide plate can be firmly fixed in the oral cavity of a patient, the situation that the planting guide plate deviates in the follow-up tooth planting process is avoided, and the tooth planting precision is guaranteed. In addition, because the jaw bone of the oral cavity of the patient is a curved surface, the axis of the anchorage nail screwed into the jaw bone of the oral cavity of the patient is likely to incline relative to the vertical surface. And the utility model discloses a second end with the nail seat sets up to the toper structure, even just can guarantee the axis vertical face slope relatively of anchorage nail, the second end of nail seat also can insert smoothly and plant the baffle, and can not take place to interfere with the draw-in groove on planting the baffle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a mounting plate fixing assembly according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of an anchorage nail in embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a nail seat in embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of the nail seat cover in embodiment 1 of the present invention;
fig. 5 is a schematic diagram of the arrangement positions of the X-ray radiation-blocking marks on the temporary denture in embodiment 3 of the present invention.
Reference numerals:
1. anchorage nails; 1-1, a first end of an anchorage nail; 1-2, a polygonal prism structure; 1-3, a first threaded hole; 1-4, conical protrusions; 2. a nail seat; 2-1, a stepped hole; 2-1-1, step surface; 2-2, positioning a groove; 3-1, a screw; 3-2, the head of the screw; 4. a nail seat cover; 5. a temporary denture; 6. x-ray radiation-blocking mark points.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.
In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
It is to be understood that, unless otherwise expressly stated or limited, the term "coupled" is used in a generic sense as defined herein, e.g., fixedly attached or removably attached or integrally attached; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.
Example 1
Referring to fig. 1 to 3, the present embodiment provides a fixing assembly for an implant guide plate, which comprises an anchorage nail 1 and a nail seat 2, wherein the first end 1-1 of the anchorage nail is provided with an external thread on the outer wall and a driving position for cooperating with an installation tool at the second end; the first end of nail seat 2 can be dismantled with the second end of anchorage nail 1 and be connected, and the second end of nail seat 2 is the toper structure, is used for with plant the draw-in groove joint on the baffle.
During operation: firstly, screwing a first end 1-1 of an anchorage nail into a jaw bone of a mouth of a patient by using an installation tool; next, connecting the first end of the nail seat 2 to the second end of the anchorage nail 1, and exposing the nail seat 2 to the jaw bone of the oral cavity of the patient; then determining the position of the anchorage nail 1 in the jaw bone of the oral cavity of the patient; then, a clamping groove is formed in the implant guide plate according to the position of the anchorage nail 1 in the jaw bone of the oral cavity of the patient; finally, the clamping groove of the planting guide plate is clamped into the second end, namely the conical structure, of the nail seat 2, so that the planting guide plate can be firmly fixed in the oral cavity of a patient.
Preferably, the cross-sectional shape of the second end of the anchorage nail 1 is a polygon, and the driving position is a polygonal prism structure 1-2 on the anchorage nail 1. When the anchorage nail 1 is installed, medical staff only need to clamp the polygonal structure 1-2 on the anchorage nail 1 through a wrench or pliers to drive the anchorage nail 1 to rotate, and then the anchorage nail 1 can be easily screwed into the oral jaw of a patient. Wherein, the cross-sectional shape of the second end of the anchorage nail 1 can be, but is not limited to, a trilateral shape, a quadrilateral shape, a hexagonal shape or an octagonal shape.
Furthermore, the component also comprises a screw, a first threaded hole 1-3 is formed in the end face of the second end of the anchorage nail 1, a stepped hole 2-1 is longitudinally formed in the nail seat 2 in a penetrating mode, a screw rod 3-1 of the screw penetrates through the stepped hole 2-1 to be in threaded fit connection with the first threaded hole 1-3, and a head 3-2 of the screw abuts against a stepped face 2-1-1 of the stepped hole 2-1. Therefore, after the anchorage nail 1 is screwed into the jaw bone of the oral cavity of a patient, medical staff can align the small end of the stepped hole 2-1 of the nail seat 2 with the first threaded hole 1-3, and then continuously screw the screw rod 3-1 of the screw into the first threaded hole 1-3 through the large end of the stepped hole 2-1 until the head 3-2 of the screw abuts against the stepped surface of the stepped hole 2-1. At this time, the nail seat 2 is firmly fixed to the second end of the anchorage nail 1.
Further, considering that the inner space of the oral cavity is narrow and the sight is blocked, the stepped hole 2-1 of the nail seat 2 is difficult to be quickly aligned with the first threaded hole 1-3 of the anchorage nail 1, so in order to realize the quick alignment of the stepped hole 2-1 and the first threaded hole 1-3, the end surface of the second end of the anchorage nail 1 is provided with a conical bulge 1-4 protruding outwards, and the first threaded hole 1-3 longitudinally penetrates through the conical bulge 1-4; an annular groove which is communicated with the small end of the stepped hole 2-1 and is coaxial is arranged in the nail seat 2 to form a positioning groove 2-2 for inserting the conical bulge 1-4. Therefore, medical staff can ensure that the stepped hole 2-1 is coaxial with the first threaded hole 1-3 only by clamping the positioning groove 2-2 of the nail seat 2 into the conical bulge 1-4 of the anchorage nail 1.
In addition, because the mounted position of anchorage nail 1 on patient's oral cavity jaw is not predetermined during actual operation, that is to say, the mounted position of anchorage nail 1 on patient's oral cavity jaw is random, and the design of later planting baffle is that the position that needs to rely on anchorage nail 1 is seted up to the draw-in groove on the planting baffle. However, since the material of the anchorage nail 1 and the nail seat 2 is usually metal, a large artifact is generated when the oral cavity CBCT is used for scanning a patient, so as to avoid the artifact from affecting subsequent operations, in this embodiment, a mode of "oral cavity scanner + image registration" is used to replace the oral cavity CBCT scanning mode, and for the convenience of scanning and imaging by the oral cavity scanner, as shown in fig. 4, the assembly further includes a nail seat cover 4 having a regular geometric shape, and the nail seat cover 4 is detachably covered on the nail seat 2. Therefore, before medical staff scans the oral cavity of a patient by using the oral cavity scanner, the nail seat cover 4 can be covered on the nail seat 2, and after the scanning is finished, the nail seat cover 4 can be directly detached. The material of the nail base cover 4 is preferably a nonmetal, such as resin, and the shape of the nail base cover 4 is preferably a regular shape such as a cylinder or a rectangular parallelepiped.
Example 2
The structure and the principle of the planting guide fixing assembly in this embodiment are the same as those in embodiment 1, and the description thereof is omitted.
The difference lies in that, the driving position is the mounting hole that sets up at the second end terminal surface of anchorage nail 1 in this embodiment, and the mounting hole is used for being connected with interior angle spanner cooperation. When the anchorage nail 1 is installed, medical staff only need insert the interior angle spanner in the mounting hole of the anchorage nail 1, and the anchorage nail 1 can be driven to rotate by rotating the interior angle spanner, so that the anchorage nail 1 can be easily screwed into the oral jaw of a patient. Wherein, the cross-sectional shape of the mounting hole can be but is not limited to a triangle, a quadrangle, a hexagon or an octagon.
Further, the outer wall of the second end of the anchorage nail 1 is provided with an external thread, and the end face of the first end of the nail seat 2 is provided with a second threaded hole which is used for being in threaded fit connection with the second end of the anchorage nail 1. In this embodiment, after the first end 1-1 of the anchorage pin is screwed into the jaw bone of the oral cavity of the patient, the second end of the anchorage pin 1 needs to be exposed out of the jaw bone of the oral cavity of the patient; when the nail seat 2 is installed, the medical staff directly rotates the nail seat 2, and the second end of the anchorage nail 1 is screwed into the second threaded hole of the nail seat 2.
Example 3
The embodiment provides a use method of the planting guide fixing assembly, which comprises the following steps:
as shown in fig. 5, a plurality of X-ray radiation-blocking mark points 6 are embedded in the surface of the temporary denture 5; the purpose of this is to: for a patient with a lot of missing teeth, especially for an edentulous patient with missing dentition, the patient must try on the temporary denture 5 to determine the occlusion relationship between the upper and lower teeth, aesthetic effect, and comfort level of use in order to determine the position of the implant. However, since the temporary denture 5 is usually made of silicon rubber or resin, when the patient wears the temporary denture 5 to perform oral CBCT scanning, the gray level of the image of the temporary denture 5 is very close to that of the human soft tissue, and is difficult to distinguish between the two images, and the gray level of the X-ray radiation-blocking mark points 6 in the oral CBCT image is very high, that is, the difference between the gray level of the image of the X-ray radiation-blocking mark points 6 and the gray level of the image of the temporary denture 5 and the human tissue is large, so a plurality of X-ray radiation-blocking mark points 6 need to be embedded in the surface of the temporary denture 5 in order to obtain a clear and accurate soft tissue contour during oral CBCT scanning.
Placing the temporary denture 5 in the oral cavity of the patient and scanning the oral cavity of the patient by means of oral cavity CBCT scanning to obtain a first set of CBCT data;
the temporary denture 5 is separately scanned by means of oral CBCT to obtain a second set of CBCT data;
registering the first group of CBCT data and the second group of CBCT data according to the corresponding X-ray radiation-blocking mark points 6 on the first group of CBCT data and the second group of CBCT data to obtain the soft tissue contour of the oral cavity of the patient and the contour of the temporary denture 5;
the medical staff can determine the position of the implant according to the soft tissue contour and the contour of the temporary denture 5; therefore, medical staff can open the guide hole on the planting guide plate according to the position of the planting body.
Screwing the first end 1-1 of the anchorage pin into the jawbone of the patient's mouth with the mounting tool, in particular: when the driving position arranged at the second end of the anchorage nail 1 is the polygonal column structure 1-2, the medical staff only needs to clamp the polygonal column structure 1-2 on the anchorage nail 1 through a wrench or a pliers to drive the anchorage nail 1 to rotate, and then the anchorage nail 1 can be screwed into the oral jaw of the patient easily; when setting up the drive position of the second end of anchorage nail 1 for be used for with interior angle spanner complex mounting hole time, medical staff only need insert interior angle spanner and establish in anchorage nail 1's mounting hole, just can drive anchorage nail 1 rotatory through rotating interior angle spanner, and then just can easily be with anchorage nail 1 screw in patient's oral cavity jaw.
Connecting the first end of the nail seat 2 to the second end of the anchorage nail 1, and exposing the nail seat 2 out of the jaw bone of the oral cavity of the patient;
the nail seat cover 4 is covered on the nail seat 2; because the anchorage pins 1 and the pin bases 2 are usually made of metal, a large artifact is generated when the oral cavity CBCT is used for scanning a patient, so that in order to avoid the artifact from affecting subsequent operations, the oral cavity CBCT scanning mode is replaced by a mode of 'oral cavity scanner + image registration', and in order to facilitate scanning and imaging of the oral cavity scanner, the pin base covers 4 can be covered on the pin bases 2 before the oral cavity of the patient is scanned by the oral cavity scanner.
Scanning the oral cavity of the patient by using an oral cavity scanner to acquire curved surface data of the temporary denture 5;
the curved surface data of the temporary denture 5 is registered with the first set of CBCT data to obtain the position of the anchorage nail 1 in the patient's oral jaw, specifically: since the first CBCT data set is obtained when the implant guide fixing assembly is not installed in the oral cavity of the patient, and the curved surface data of the temporary denture 5 is obtained after the implant guide fixing assembly is installed, the present embodiment can convert the nail seat cover 4 into the CT space by registering the two sets of data, and then can determine the position of the anchorage nail 1 in the jaw bone of the oral cavity of the patient according to the positions of the nail seat cover 4 and the anchorage nail 1.
A clamping groove is formed in the implant guide plate according to the position of the anchorage nail 1 in the jaw bone of the oral cavity of the patient;
the clamping groove of the planting guide plate is clamped into the second end of the nail seat 2. From this, plant the baffle just firmly fixed in patient's oral cavity under the restraint of nail seat 2, and then just also avoided follow-up kind of tooth in-process to plant the baffle and take place the skew, guaranteed the precision of kind of tooth.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The planting guide plate fixing assembly is characterized by comprising an anchorage nail and a nail seat, wherein the outer wall of a first end of the anchorage nail is provided with an external thread, and a second end of the anchorage nail is provided with a driving position matched with an installation tool; the first end of nail seat with the connection can be dismantled to the second end of anchorage nail, the second end of nail seat be the toper structure, be used for with plant the draw-in groove joint on the baffle.
2. The implant guide fixation assembly of claim 1, wherein the second end of the anchorage pin is polygonal in cross-sectional shape, and the driving site is a polygonal prism structure on the anchorage pin.
3. The planting guide fixing assembly as claimed in claim 2, further comprising a screw, wherein a first threaded hole is formed in an end surface of the second end of the anchorage nail, a stepped hole is longitudinally formed in the nail seat in a penetrating manner, a screw rod of the screw penetrates through the stepped hole to be in threaded fit connection with the first threaded hole, and a head of the screw abuts against a stepped surface of the stepped hole.
4. The planting guide fixing assembly of claim 3, wherein the end surface of the second end of the anchorage pin has an outwardly protruding conical projection, and the first threaded hole extends longitudinally through the conical projection; the nail seat is internally provided with a ring groove which is communicated with the small end of the stepped hole and is coaxial with the stepped hole so as to form a positioning groove for inserting the conical bulge.
5. The implant guide fixing assembly according to claim 1, wherein the driving position is a mounting hole formed in the second end face of the anchorage nail, and the mounting hole is used for being matched and connected with an inner angle wrench.
6. The implant guide fixing assembly according to claim 5, wherein the outer wall of the second end of the anchorage nail is provided with an external thread, and the end surface of the first end of the nail seat is provided with a second threaded hole for being in threaded fit connection with the second end of the anchorage nail.
7. The planting guide fixing assembly of any one of claims 1 to 6, further comprising a staple holder cover having a regular geometric shape, the staple holder cover removably covering the staple holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920295187.0U CN209827047U (en) | 2019-03-08 | 2019-03-08 | Fixed assembly of planting guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920295187.0U CN209827047U (en) | 2019-03-08 | 2019-03-08 | Fixed assembly of planting guide plate |
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| Publication Number | Publication Date |
|---|---|
| CN209827047U true CN209827047U (en) | 2019-12-24 |
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| CN201920295187.0U Active CN209827047U (en) | 2019-03-08 | 2019-03-08 | Fixed assembly of planting guide plate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846567A (en) * | 2019-03-08 | 2019-06-07 | 雅客智慧（北京）科技有限公司 | Planting guide plate fixing assembly and using method thereof |
| CN113057753A (en) * | 2021-04-29 | 2021-07-02 | 威海威高洁丽康生物材料有限公司 | Manufacturing method of digital 3D planting guide plate |
| CN113229967A (en) * | 2021-05-10 | 2021-08-10 | 西安交通大学口腔医院 | Guide plate fixing device is planted in oral cavity |
-
2019
- 2019-03-08 CN CN201920295187.0U patent/CN209827047U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846567A (en) * | 2019-03-08 | 2019-06-07 | 雅客智慧（北京）科技有限公司 | Planting guide plate fixing assembly and using method thereof |
| CN109846567B (en) * | 2019-03-08 | 2024-11-05 | 雅客智慧（北京）科技有限公司 | Implantation guide fixing assembly and method of use thereof |
| CN113057753A (en) * | 2021-04-29 | 2021-07-02 | 威海威高洁丽康生物材料有限公司 | Manufacturing method of digital 3D planting guide plate |
| CN113229967A (en) * | 2021-05-10 | 2021-08-10 | 西安交通大学口腔医院 | Guide plate fixing device is planted in oral cavity |
| CN113229967B (en) * | 2021-05-10 | 2022-06-21 | 西安交通大学口腔医院 | Guide plate fixing device is planted in oral cavity |
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