CN213098448U

CN213098448U - Scanning rod and dental implant assembly

Info

Publication number: CN213098448U
Application number: CN202020959842.0U
Authority: CN
Inventors: 王五星; 于敬军
Original assignee: Guangdong Ante Dental Co ltd
Current assignee: Guangdong Ante Dental Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-05-04
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a scanning pole and dentistry planting body subassembly, wherein, this scanning pole and planting body coupling, the concave holding tank that is equipped with in upper end of planting body, the scanning pole is including scanning section, spacing section and the cooperation section that connects gradually, be equipped with the fastening hole in the scanning pole, the fastening hole runs through the both ends of scanning pole, spacing section is back to the terminal surface of scanning section is sunken to be formed with the spacing groove, cooperation section part is located the spacing inslot, another part stretches out outside the spacing groove, and insert in the holding tank, so that the up end of planting body with the cell wall of spacing groove is laminated mutually. The utility model discloses technical scheme's scanning rod aims at ensuring that the scanning rod can stabilize and the planting body cooperation, ensures the accuracy of scan data.

Description

Scanning rod and dental implant assembly

Technical Field

The utility model relates to a dental instrument technical field, in particular to scanning rod and dental implant subassembly.

Background

In the process of dental implantation, a scanning rod is a vital component in the process of manufacturing a CAD/CAM personalized implant abutment, and is mainly used for scanning the position and direction of an implant in an oral cavity by a model scanner or an intraoral scanner, obtaining the position and direction data of the implant in the oral cavity by scanning the scanning rod, and performing surface matching on the data and a model in an implant database in design software to obtain implant information so as to finish personalized repair. However, after the scanning rod in the related art is matched with the implant, especially when the matching length is long, the matching part of the scanning rod and the implant is prone to shaking, which leads to easy deviation during fastening, and further affects the accuracy of scanning data.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scanning rod aims at ensuring that the scanning rod can stabilize and the planting body cooperation ensures the accuracy of scanning data.

For realize above-mentioned mesh, the utility model provides a scanning rod, with the planting body coupling, the concave holding tank that is equipped with in upper end of planting body, scanning rod is including scanning section, spacing section and the cooperation section that connects gradually, be equipped with the fastening hole in the scanning rod, the fastening hole runs through the both ends of scanning rod, spacing section is dorsad the terminal surface of scanning section is sunken to be formed with the spacing groove, cooperation section part is located the spacing inslot, another part stretches out outside the spacing groove, and insert in the holding tank, so that the up end of planting body with the cell wall of spacing groove is laminated mutually.

Optionally, the spacing groove includes the spacing lateral wall of groove diapire, first spacing lateral wall and second, first spacing lateral wall is connected the groove diapire, and with the groove diapire sets up perpendicularly, the spacing lateral wall of second is connected first spacing lateral wall, and with first spacing lateral wall is the contained angle setting, the upper end of planting body includes top face, connection the first side terminal surface of top face and connection the second side terminal surface of first side terminal surface, the groove diapire laminate in the top face, first spacing lateral wall laminate in first side terminal surface, the spacing lateral wall laminate of second in second side terminal surface.

Optionally, the scanning section, the limiting section and the matching section are all cylindrical sections, and the diameters of the scanning section and the matching section are smaller than the diameter of the limiting section.

Optionally, the scanning section, the limiting section and the matching section are of an integral structure.

Optionally, the matching section comprises a connecting section body and a clamping section body, the connecting section body is connected with the limiting section, part of the connecting section body is located in the limiting groove, the other part of the connecting section body extends out of the limiting groove, the clamping section body is connected with one end, far away from the limiting section, of the connecting section body, and the clamping section body is used for being inserted into the accommodating groove.

Optionally, a first clamping surface and a second clamping surface arranged at an included angle with the first clamping surface are formed on the side surface of the clamping section body, the accommodating groove is provided with a first groove side wall and a second groove side wall arranged at an included angle with the first groove side wall, the first clamping surface is attached to the first groove side wall, and the second clamping surface is attached to the second groove side wall;

and/or the clamping segment body is of an octagonal prism structure.

Optionally, the length L1 of the connecting segment body has a range value of: l1 is more than or equal to 2.3mm and less than or equal to 2.7 mm;

and/or the length L2 of the clamping segment body has the range value as follows: l2 is more than or equal to 1.8mm and less than or equal to 2.2 mm.

Optionally, a positioning surface is formed on a side wall surface of the scanning section, a marking surface is formed on a side surface of the matching section, and the positioning surface and the marking surface are located on the same plane or the positioning surface and the marking surface are parallel.

Optionally, the outer surface of the scanning segment is provided with a matte layer.

The utility model also provides a dental implant subassembly, dental implant subassembly include the planting body, as above-mentioned scanning rod and connection the planting body with the mounting of scanning rod.

The utility model discloses in technical scheme's the scanning rod, set up the spacing groove through the terminal surface at spacing section back to the scanning section is sunken, and cooperation section part is located this spacing inslot, the holding tank in another part stretches into the spacing inslot outside with the planting body cooperates, so, after cooperation section cooperation gets into the holding tank, the up end of planting body can laminate in the cell wall of spacing groove, namely, the up end of planting body is acceptd at the spacing inslot, spacing section can form backstop and spacing to the planting body after the cooperation, thereby avoided the phenomenon that rocking appears easily in scanning rod and planting body complex position, the scanning rod can not squint, and then guaranteed scan data's accuracy.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded view of an embodiment of the dental implant of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the dental implant of the present invention;

fig. 3 is a schematic structural diagram of an embodiment of the scanning rod of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Scanning rod	101	Fastening hole
11	Scanning segment	111	Locating surface
				12	Spacing section	13	Mating segment
1301	Marking surface	1302	First clamping surface
				131	Connecting segment	132	Clamping section body
120	Limiting groove	121	Trough bottom wall
				122	First limit side wall	123	Second limit side wall
20	Implant body	21	Accommodating tank
				201	Top end face	202	First side end face
203	Second side end surface	211	First groove side wall
				212	Side wall of the second groove	1303	Second clamping surface

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a scanning rod 10.

Referring to fig. 1 to 3, in the embodiment of the present invention, this scanning rod 10 is connected with the planting body 20, the concave holding tank 21 that is equipped with in upper end of planting body 20, scanning rod 10 includes scanning section 11, spacing section 12 and the cooperation section 13 that connects gradually, be equipped with fastening hole 101 in the scanning rod 10, fastening hole 101 runs through the both ends of scanning rod 10, spacing section 12 is dorsad the terminal surface of scanning section 11 is sunken to be formed with spacing groove 120, cooperation section 13 part is located in spacing groove 120, another part stretches out outside the spacing groove 120, and inserts in the holding tank 21, so that the up end of planting body 20 with the cell wall of spacing groove 120 laminates mutually.

The scanning rod 10 of the application can be made of metal or all-ceramic materials, and the matching section 13 is mainly used for being matched and connected with the implant 20 in the oral cavity, so that the scanning rod 10 can be installed and fixed on the implant 20. The scanning section 11 is mainly used for the oral scanner to scan the oral scanner, and scans the spatial three-dimensional data of the scanning rod 10 into a computer matched with the oral scanner for use, and the data is processed by three-dimensional software to form a three-dimensional model which is displayed by a display screen, so that medical staff can observe the spatial position relationship of the scanning rod 10 conveniently to determine the position of the implant 20. The fastening hole 101 is a through hole so that a fixing member (e.g., a fastening screw, a pin, etc.) can be inserted through the fastening hole 101 and then coupled to the planting hole of the implant 20 to fasten the scanning rod 10 to the implant 20.

Therefore, the utility model discloses in technical scheme's scanning rod 10, set up spacing groove 120 through the terminal surface that is in spacing section 12 back to scanning section 11 is sunken, and cooperation section 13 part is located this spacing groove 120, another part stretches into spacing groove 120 outer and cooperates with holding tank 21 in the planting body 20, and thus, after cooperation section 13 cooperation gets into holding tank 21, the up end of planting body 20 can laminate in the cell wall of spacing groove 120, namely, the up end of planting body 20 is acceptd at spacing groove 120, spacing section 12 can form backstop and spacing to planting body 20 after the cooperation, thereby avoided scanning rod 10 and planting body 20 matched with position phenomenon that rocks to appear easily, scanning rod 10 can not squint, and then guaranteed scan data's accuracy.

In an embodiment of the present application, the limiting groove 120 includes a groove bottom wall 121, a first limiting side wall 122 and a second limiting side wall 123, the first limiting side wall 122 is connected to the groove bottom wall 121, and is vertically disposed to the groove bottom wall 121, the second limiting side wall 123 is connected to the first limiting side wall 122, and is disposed at an included angle with the first limiting side wall 122, the upper end surface of the implant 20 includes a top end surface 201, a connection a first side end surface 202 and a connection of the top end surface 201 a second side end surface 203 of the first side end surface 202, the groove bottom wall 121 is attached to the top end surface 201, the first limiting side wall 122 is attached to the first side end surface 202, and the second limiting side wall 123 is attached to the second side end surface 203.

In this embodiment, a space for the implant 20 to fasten and hold is defined between the limiting section 12 and the groove wall of the limiting groove 120, and after the upper end of the implant 20 is fitted in the holding space, since a vertical corner is formed between the groove bottom wall 121 and the first limiting side wall 122, and the first limiting side wall 122 and the second limiting side wall 123 also form a corner, when the top end surface 201, the first side end surface 202, and the second side end surface 203 of the implant 20 are correspondingly fitted with the groove bottom wall 121, the first limiting side wall 122, and the second limiting side wall 123, the upper end of the implant 20 can be limited and stopped, thereby effectively ensuring the stability of the upper end fitting of the implant 20.

In one embodiment, the scanning section 11, the position limiting section 12 and the matching section 13 are all cylindrical sections, and the diameters of the scanning section 11 and the matching section 13 are smaller than the diameter of the position limiting section 12. So, spacing section 12 is located between scanning section 11 and the cooperation section 13 and forms into the bulge loop structure, and planting body 20 can be spacing by this bulge loop structure, and the convenient installation operation to scanning rod 10 and planting body 20 moreover is convenient for the scanner to obtain data to scanning section 11 scanning simultaneously.

Further, in the present application, the scanning section 11, the limiting section 12 and the matching section 13 are an integrated structure. By such arrangement, the structure of the scanning rod 10 can be simplified, and the processing and the production are convenient.

In an embodiment of the present application, the matching section 13 includes a connecting section body 131 and a clamping section body 132, the connecting section body 131 is connected to the limiting section 12, and part of the connecting section body is located in the limiting groove 120, and the other part of the connecting section body extends out of the limiting groove 120, the clamping section body 132 is connected to the connecting section body 131 far away from one end of the limiting section 12, and the clamping section body 132 is used for inserting into the accommodating groove 21. The connecting section body 131 is a cylindrical section, and the connecting section body 131 and the clamping section body 132 are integrated, so that after the clamping section body 132 is matched with the accommodating groove 21, a certain distance is formed between the clamping section body 132 and the groove bottom wall 121 of the limiting groove 120, the upper end of the implant 20 can be accommodated in the limiting groove 120 for limiting, and the part of the scanning rod 10, which is matched with the implant 20, is prevented from shaking.

Further, this application the lateral surface of the card section body 132 is formed with first joint face 1302 and with first joint face 1302 is the second joint face 1303 that the contained angle set up, holding tank 21 have first groove lateral wall 211 and with first groove lateral wall 211 is the second groove lateral wall 212 that the contained angle set up, first joint face 1302 laminating in first groove lateral wall 211, second joint face 1303 laminating in second groove lateral wall 212. So set up, when the cooperation of the card section of thick bamboo 132 is pegged graft in holding tank 21, first joint face 1302, second joint face 1303 laminate respectively and can form into the turning spacing behind first groove lateral wall 211 and the second groove lateral wall 212 of butt to avoid scanning pole 10 to take place to rotate relative planting body 20, be favorable to the fastening operation to scanning pole 10.

In another embodiment, the holding segment 132 is an octagonal prism structure. Therefore, the eight prism structure is formed with eight clamping surfaces, the eight clamping surfaces can be processed simultaneously and are attached to the side walls of the accommodating grooves 21 to stop rotation, the scanning rod 10 is better in stability after being installed, and the appearance is more attractive.

The length L1 of the connecting segment body 131 ranges from: l1 is more than or equal to 2.3mm and less than or equal to 2.7 mm; and/or the length L2 of the holding section 132 has a range value of: l2 is more than or equal to 1.8mm and less than or equal to 2.2 mm. The length L1 of the connecting segment body 131 should not be too long, nor too short, and if it is too long, the distance between the upper end of the implant 20 and the limiting groove 120 is lengthened after the clamping segment body 132 is matched, and the top end surface 201 of the implant 20 cannot be attached to the groove bottom wall 121 of the limiting groove 120 for limiting; if the length is too short, the clamping segment 132 cannot be completely fitted into the accommodating groove 21, and the stability after installation is poor. If the length L2 of the retaining segment 132 is too long, the overall length of the engaging segment 13 is too long, which is not convenient for the scanner to scan the scanning segment 11, and if it is too short, the engaging length with the receiving slot 21 is too short, which is not good for the stability of installation. Therefore, the present application designs the values of L1 and L2 within the above ranges. It is understood that in practical applications, specific values of L1 may be 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, etc., and specific values of L2 may be 1.8mm, 1.9mm, 2mm, 2.1mm, 2.2mm, etc.

Further, in the present application, a positioning surface 111 is formed on a side wall surface of the scanning segment 11, a marking surface 1301 is formed on a side surface of the matching segment 13, and the positioning surface 111 and the marking surface 1301 are located on the same plane or the positioning surface 111 and the marking surface 1301 are parallel. It can be understood that, with such an arrangement, the position and the direction of the marking surface 1301 can be obtained by detecting the positioning surface 111, and then the position and the direction of the implant 20 in the oral cavity can be obtained, and the plane orientation determination structure is simple and is easy and convenient to operate.

In an embodiment of the present application, the outer surface of the scanning segment 11 is provided with a matte layer (not shown). The matte layer can be a frosted layer and a coating layer, and the matte layer can prevent the scanning section 1111 from reflecting light, so that the scanning data information can be acquired.

The utility model discloses still provide a dental implant subassembly, this dental implant subassembly includes planting body 20, scanning rod 10 and mounting (not shown), and the mounting is connected planting body 20 with scanning rod 10. Wherein the fixing member may be a fastening screw, a fastening pin, etc., whereby the fixing member can penetrate into the fastening hole 101 and the implantation hole to connect the scanning rod 10 with the implant 20. The specific structure of the scanning rod 10 refers to the above embodiments, and since the dental implant assembly adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a scanning rod, is connected with the planting body, the concave holding tank that is equipped with in upper end of planting body, its characterized in that, scanning rod is including scanning section, spacing section and the cooperation section that connects gradually, be equipped with the fastening hole in the scanning rod, the fastening hole runs through the both ends of scanning rod, spacing section is dorsad the terminal surface of scanning section is sunken to be formed with the spacing groove, cooperation section part is located the spacing inslot, another part stretches out outside the spacing groove, and insert in the holding tank, so that the up end of planting body with the cell wall in spacing groove is laminated mutually.

2. The scan bar of claim 1, wherein said limit groove comprises a groove bottom wall, a first limit sidewall and a second limit sidewall, said first limit sidewall is connected to said groove bottom wall and is disposed perpendicular to said groove bottom wall, said second limit sidewall is connected to said first limit sidewall and is disposed at an included angle with said first limit sidewall, said upper end surface of said implant comprises a top end surface, a first side end surface connected to said top end surface and a second side end surface connected to said first side end surface, said groove bottom wall is attached to said top end surface, said first limit sidewall is attached to said first side end surface, and said second limit sidewall is attached to said second side end surface.

3. The scan shaft of claim 1, wherein said scan section, said stop section and said mating section are all cylindrical sections, and wherein the diameter of each of said scan section and said mating section is less than the diameter of said stop section.

4. The scan bar of claim 3 wherein said scan section, said spacing section and said mating section are of unitary construction.

5. The scan shaft of any one of claims 1 to 4, wherein the engaging portion includes a connecting portion and a retaining portion, the connecting portion is connected to the position-limiting portion and partially located in the position-limiting groove, and the other portion extends out of the position-limiting groove, the retaining portion is connected to an end of the connecting portion away from the position-limiting portion, and the retaining portion is configured to be inserted into the accommodating groove.

6. The scan bar of claim 5, wherein a first clamping surface and a second clamping surface arranged at an angle with respect to the first clamping surface are formed on a side surface of the clamping segment, the accommodating groove has a first groove side wall and a second groove side wall arranged at an angle with respect to the first groove side wall, the first clamping surface is attached to the first groove side wall, and the second clamping surface is attached to the second groove side wall;

and/or the clamping segment body is of an octagonal prism structure.

7. The scan bar of claim 5, wherein said connector segments have a length L1 ranging from: l1 is more than or equal to 2.3mm and less than or equal to 2.7 mm;

8. The scan bar of any one of claims 1 to 4, wherein a side wall surface of the scan section is formed with a positioning surface, and a side surface of the engaging section is formed with a marking surface, and the positioning surface and the marking surface are located on the same plane or the positioning surface and the marking surface are parallel.

9. The scan bar of any one of claims 1 to 4, wherein an outer surface of said scan segment is provided with a matte layer.

10. A dental implant assembly, characterized in that it comprises an implant, a scanning rod according to any of claims 1 to 9 and a fixture connecting the implant and the scanning rod.