CN111759504A

CN111759504A - Dental scanning rod

Info

Publication number: CN111759504A
Application number: CN202010755710.0A
Authority: CN
Inventors: 廖府明; 江晓霞; 廖瑞
Original assignee: Huizhou Kunpeng Denture Co ltd
Current assignee: Huizhou Kunpeng Denture Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-10-13

Abstract

The application relates to a dental scanning rod which is matched and connected with an implant planted on a dental bed, and comprises a first connecting rod and a second connecting rod, wherein the lower end of the first connecting rod is inserted on the implant, the second connecting rod is connected between the first connecting rod and the implant, and the first connecting rod is fixedly connected with the implant through the second connecting rod; and the upper end of the first connecting rod is provided with a pointing plate. The beneficial effect of this application is: through set up directional board, and first directive surface, second directive surface at first connecting rod, make the scanner can clearly scan the position and the direction of scanning pole, obtain accurate planting body position to improve the accuracy of planting the tooth. This application passes through the second connecting rod, fixes first connecting rod on the planting body, and first connecting rod is provided with directional board and installing port, makes first connecting rod, second connecting rod installation dismantle more convenient, improves the tooth implantation efficiency.

Description

Dental scanning rod

Technical Field

The present application relates to the field of dental product manufacturing, and more particularly, to a dental scan bar.

Background

After a doctor implants an implant in a patient's mouth, the doctor needs to wear a base station and a crown bridge prosthesis on the upper part of the implant, if the doctor selects a standard base station, the doctor can directly prepare the standard base station and scan and design the crown bridge prosthesis, and if the doctor selects to manufacture a personalized base station, the information of the implant in the patient's mouth is transferred out through a scanning rod because the personalized base station is designed through computer software. With the aid of the scanner, the scanning rod can be mounted directly on the implant to directly scan the implant information in the patient's mouth.

Because the existing scanning rod does not have an indication area for indicating the direction, the position and the direction of the implant are difficult to accurately determine, and the position direction of the implant is deviated.

Disclosure of Invention

This application is for overcoming the problem that is difficult to accurate definite implant's position and direction among the prior art, and the technical problem that this application will be solved provides a dentistry scanning rod.

A dental scanning rod is matched and connected with an implant planted on a gum and comprises a first connecting rod and a second connecting rod, wherein the lower end of the first connecting rod is inserted on the implant, the second connecting rod is connected between the first connecting rod and the implant, and the first connecting rod and the implant are fixedly connected through the second connecting rod; and the upper end of the first connecting rod is provided with a pointing plate.

Optionally, the pointing board is formed by protruding one side surface of the upper end of the first connecting rod outwards, and the width of the pointing board is continuously narrowed along the protruding direction; the bottom of the pointing plate is connected with the first connecting rod to form an inclined surface or an arc-shaped surface, and the width of the inclined surface or the arc-shaped surface is narrowed along the protruding direction.

Optionally, the first connecting rod is further provided with a first directing surface and a second directing surface, and an extension intersecting line of the first directing surface and the second directing surface is located on the same plane as a center line of the directing plate.

Optionally, the first and second directing surfaces are formed by the upper end of the first link being concave.

Optionally, the first connecting rod includes an upper end portion, a connecting portion, and a lower end portion, the first direction surface, the second direction surface, and the direction plate are located at the upper end portion, the upper end portion and the lower end portion are all cylindrical, the radius of the upper end portion is greater than that of the lower end portion, and two ends of the connecting portion are respectively connected to the upper end portion and the lower end portion.

Optionally, a through groove penetrating through the upper end portion, the connecting portion and the lower end portion is dug in the middle of the first connecting rod, and a limiting groove with a circle center in the same axis as the through groove is further arranged in the through groove; the radius of the limiting groove is smaller than that of the through groove, and the limiting groove is arranged in the connecting portion and the lower end portion.

Optionally, the second link includes a connector and a screw connection portion integrally connected to the connector.

Optionally, the second connecting rod extends into the through groove, and the connecting head is clamped at the upper end of the limiting groove; the screwing part extends into the implant and is screwed in the implant, and the first connecting rod is fixedly connected with the implant.

Optionally, the connecting head and the connecting surface at the upper end of the limiting groove are inclined planes.

Optionally, the lower end portion is provided with a mounting opening which is embedded with the implant.

Compared with the prior art, the beneficial effects of this application are:

(1) through set up directional board, and first directive surface, second directive surface at first connecting rod, make the scanner can clearly scan the position and the direction of scanning pole, obtain accurate planting body position to improve the accuracy of planting the tooth.

(2) This application passes through the second connecting rod, fixes first connecting rod on the planting body, and first connecting rod is provided with directional board and installing port, makes first connecting rod, second connecting rod installation dismantle more convenient, improves the tooth implantation efficiency.

Drawings

Fig. 1 is a perspective view of a scan bar according to an embodiment of the present application.

Fig. 2 is a top view of a scan shaft according to an embodiment of the present application.

Fig. 3 is a cross-sectional view of a scan shaft of an embodiment of the present application 1.

Fig. 4 is an exploded view of a scan rod according to an embodiment of the present application.

FIG. 5 is a cross-sectional view of a scan shaft according to an embodiment of the present application, as shown in FIG. 2.

Detailed Description

The present application will be further described with reference to the following detailed description.

The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, if any, are used in the orientations and positional relationships indicated in the drawings only for the convenience of describing the present application and for simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.

In the embodiment shown in fig. 1-5, the present application provides a dental scanning rod, which is connected to an implant 3 implanted on a gum in a matching manner, and comprises a first connecting rod 1 and a second connecting rod 2, wherein the lower end of the first connecting rod 1 is inserted into the implant 3, the second connecting rod 2 is connected between the first connecting rod 1 and the implant 3, and the second connecting rod 2 fixedly connects the first connecting rod 1 and the implant 3; the upper end of the first connecting rod 1 is provided with a pointing plate 4. In this embodiment, the scanning rod of this application includes first connecting rod 1, second connecting rod 2, and wherein, first connecting rod 1 passes through second connecting rod 2 to be fixed on implant 3, through set up directional board 4 at first connecting rod 1, makes the position and the direction that the scanner can clearly scan the scanning rod, obtains accurate implant 3 position to improve the accuracy of planting the tooth. The first connecting rod 1 and the second connecting rod 2 may be made of metal or plastic. This application passes through second connecting rod 2, fixes first connecting rod 1 on implant 3, makes first connecting rod 1, the installation of second connecting rod 2 dismantle more convenient, improves the tooth implantation efficiency.

In some embodiments, the direction plate 4 is formed by protruding outward from one side of the upper end of the first link 1, and the width of the direction plate 4 is gradually narrowed in the protruding direction; the bottom of the direction plate 4 is connected with the first connecting rod 1 to form an inclined surface or an arc surface with the width narrowed along the protruding direction. In the present embodiment, the first link 1 and the direction plate 4 are integrally molded in a mold, wherein the width of the direction plate 4 is gradually narrowed along the protruding direction, i.e. the center of the direction plate 4 along the direction is narrowed, so as to better indicate the direction and save the volume. The bottom of the directing plate 4 is connected with the first connecting rod 1 to form an inclined plane or an arc-shaped surface with the width narrowed along the protruding direction, so that the connection strength of the directing plate 4 and the first connecting rod 1 is increased, and the structural stability of the scanning rod is improved. In addition, directional board 4 not only plays the effect of instruction position, and simultaneously, this application still can put, install first connecting rod 1 in planting through directional board 4, improves the tooth implantation efficiency.

In some embodiments, the first link 1 is further provided with a first directing surface 5 and a second directing surface 6, and the extended intersection line of the first directing surface 5 and the second directing surface 6 is located on the same plane with the center line of the directing plate 4. In the present embodiment, the first and second directing surfaces 5 and 6 are provided to cooperate with the directing plate 4, so as to obtain an accurate position of the implant 3, thereby improving the accuracy of tooth implantation. The first and second directing surfaces 5 and 6 are formed by the concave upper end of the first connecting rod 1. The maximum depth L1 of the side surfaces of the first and second directing surfaces 5 and 6 at the upper end of the first link 1 is in the range of: l1 is not less than 0.3mm and not more than 0.8 mm. That is, the concave depth size of establishing can influence first connecting rod 1's overall structure, if L1 is less than 0.3mm, then the second locating surface 11 that will detect is nearer apart from first connecting rod 1's lateral wall distance for detect the great and precision and can not obtain guaranteeing, if L1 is greater than 0.8mm, then can reduce more first connecting rod 1's volume, thereby influence the holistic support intensity of first connecting rod 1. Therefore, the maximum depth L1 recessed in the side surface of the upper end of the first link 1 is set to a range value of 0.3mm ≦ L1 ≦ 0.8mm, and may be set to, for example, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, or the like, so that the first and second pointing surfaces 5, 6 can be effectively and easily detected, while the overall strength of the first link 1 is also ensured. It should be noted that the maximum depth L1 can be selected by one skilled in the art according to specific situations.

In some embodiments, the first link 1 includes an upper end portion 11, a connecting portion 12, and a lower end portion 13, the first directing surface 5, the second directing surface 6, and the directing plate 4 are located at the upper end portion 11, the upper end portion 11 and the lower end portion 13 are each cylindrical, the radius of the upper end portion 11 is larger than that of the lower end portion 13, and two ends of the connecting portion 12 respectively connect the upper end portion 11 and the lower end portion 13. In this embodiment, the upper end portion 11, the connecting portion 12 and the lower end portion 13 are an integral structure to simplify the structure and improve the strength, and the production is facilitated, and the upper end portion 11 and the lower end portion 13 are both cylindrical, and the cross-sectional area of the upper end portion 11 is larger than that of the lower end portion 13, and both ends of the connecting portion 12 are respectively connected to the upper end portion 11 and the lower end portion 13, so that the connecting portion 12 is in an inverted cone shape, and thus a cup-shaped structure with a certain cone is formed by the connecting portion 12 close to the first connecting rod 1 in the process of healing the cuff of the gum, and the cup-shaped structure.

In some embodiments, a through groove 14 penetrating through the upper end portion 11, the connecting portion 12, and the lower end portion 13 is dug in the middle of the first link 1, and a limiting groove 15 having a circle center coaxial with the through groove 14 is further disposed in the through groove 14; the radius of the limiting groove 15 is smaller than that of the through groove 14, and the limiting groove 15 is arranged in the connecting part 12 and the lower end part 13. The second link 2 includes a connection head 21 and a screw portion 22 integrally connected to the connection head 21. The second connecting rod 2 extends into the through groove 14, and the connecting head 21 is clamped at the upper end of the limiting groove 15; the screw connection part 22 extends into and is screwed in the implant 3 to fixedly connect the first connecting rod 1 and the implant 3. Wherein, the through groove 14 is communicated with the limiting groove 15. In this application, the radius of second connecting rod 2 is less than the radius that leads to groove 14, makes second connecting rod 2 can stretch into and lead to the setting of groove 14, and the radius of connector 21 is greater than the radius of spacing groove 15, makes when the spiro union portion 22 spiro union of second connecting rod 2 is at planting body 3, and connector 21 can be fixed in spacing groove 15 upper end, realizes fixing first connecting rod 1 on planting body 3. This application passes through second connecting rod 2, fixes first connecting rod 1 on implant 3, makes first connecting

rod

1, 2 installation dismantlements of second connecting rod more convenient, improves the tooth implantation efficiency. Meanwhile, the connecting surface of the connecting head 21 and the upper end of the limiting groove 15 are inclined. Further strengthen the interlock degree of connector 21 and spacing groove 15, first connecting rod 1, second connecting rod 2, planting body 3 are connected more firmly. Wherein, the top of the second connecting rod 2, i.e. the top of the connecting head 21, is provided with a hexagonal mounting hole 23 for mounting the second connecting rod 2 on the implant 3.

In some embodiments, the lower end 13 is provided with a mounting opening for engagement with the implant 3. In this embodiment, the mounting opening of the present application may be a polygonal prism structure. It should be noted that, lower tip 13 is including the polygon prism structure and the boss that are connected, and the boss deviates from the bottom surface of polygon prism structure and stretches into the inside of planting body 3 and the terminal surface of butt planting body 3 to make first connecting rod 1 can place in planting body 3, and after lower tip 13 of first connecting rod 1 stretched into the inside of planting body 3, the lateral wall of the polygon prism structure of lower tip 13 and the inboard wall laminating butt of planting body 3.

This application makes the scanner can clearly scan the position and the direction of scanning rod through set up directional board 4 and first directive surface 5, second directive surface 6 at first connecting rod 1, obtains accurate planting body 3 position to improve the accuracy of planting the tooth. This application passes through second connecting rod 2, fixes first connecting rod 1 on implant 3, and first connecting rod 1 is provided with directional board 4 and installing port, makes first connecting rod 1, the installation of second connecting rod 2 dismantle more convenient, improves the tooth implantation efficiency.

It should be understood that the above examples of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A dental scanning rod is connected with an implant (3) planted on a gum in a matching way and is characterized by comprising a first connecting rod (1) and a second connecting rod (2), wherein the lower end of the first connecting rod (1) is inserted into the implant (3), the second connecting rod (2) is connected between the first connecting rod (1) and the implant (3), and the first connecting rod (1) and the implant (3) are fixedly connected by the second connecting rod (2); the upper end of the first connecting rod (1) is provided with a pointing plate (4).

2. A dental scanning bar according to claim 1, wherein the direction plate (4) is formed by an outward bulge on one side of the upper end of the first connecting rod (1), and the width of the direction plate (4) is narrowed continuously along the bulge direction; the bottom of the direction plate (4) is connected with the first connecting rod (1) to form an inclined surface or an arc surface with the width narrowed along the protruding direction.

3. Dental scanning bar according to claim 1, characterized in that the first link (1) is further provided with a first pointing surface (5) and a second pointing surface (6), the extension intersection of the first pointing surface (5) and the second pointing surface (6) being located on the same plane as the center line of the pointing board (4).

4. A dental scanning bar according to claim 3, wherein said first and second pointing surfaces (5, 6) are formed by an upper end of said first link (1) being concave.

5. A dental scanning bar according to claim 3, wherein the first link (1) comprises an upper end (11), a connecting portion (12) and a lower end (13), the first directing surface (5), the second directing surface (6) and the directing plate (4) are located at the upper end (11), the upper end (11) and the lower end (13) are cylindrical, the radius of the upper end (11) is larger than that of the lower end (13), and two ends of the connecting portion (12) are respectively connected with the upper end (11) and the lower end (13).

6. A dental scanning rod according to claim 5, wherein a through groove (14) penetrating through the upper end portion (11), the connecting portion (12) and the lower end portion (13) is dug in the middle of the first connecting rod (1), and a limiting groove (15) with the center of the same axis as the through groove (14) is further arranged in the through groove (14); the radius of the limiting groove (15) is smaller than that of the through groove (14), and the limiting groove (15) is arranged in the connecting part (12) and the lower end part (13).

7. Dental scanning rod according to claim 6, characterized in that the second link (2) comprises a connector (21) and a screw connection (22) integrally connected with the connector (21).

8. A dental scanning rod according to claim 7, wherein the second connecting rod (2) is arranged to extend into the through groove (14), and the connecting head (21) is clamped at the upper end of the limiting groove (15); the screw joint part (22) extends into and is screwed in the implant (3) to fixedly connect the first connecting rod (1) and the implant (3).

9. A dental scanning rod according to claim 8, wherein the connecting surfaces of the connecting head and the upper end of the limiting groove (15) are inclined.

10. A dental scanning rod according to claim 5, wherein the lower end (13) is provided with a mounting opening for engagement with the implant (3).