CN215937749U

CN215937749U - Digital positioning guide plate suitable for full-mouth planting

Info

Publication number: CN215937749U
Application number: CN202121705533.1U
Authority: CN
Inventors: 徐光宙; 李岩; 杨驰; 张志愿
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date: 2020-07-27
Filing date: 2021-07-26
Publication date: 2022-03-04
Anticipated expiration: 2031-07-26
Also published as: CN215584433U; CN113440282A; CN216124593U; CN113440282B

Abstract

The utility model provides a digital positioning guide plate suitable for full-mouth planting, which is of an integrated structure and comprises a positioning sleeve, a positioning anode and a connector; the structure of the locating sleeve is matched with molar or wisdom tooth to guide the matched digital bone cutting guide plate to the target position. The positioning guide plate and the bone cutting guide plate are connected in a way of the key way, and the positioning guide plate can be positioned for the first time in the whole process without performing the second positioning, thereby saving the operation time, ensuring the accuracy of the implant implantation and really realizing the whole-process digital guided implantation.

Description

Digital positioning guide plate suitable for full-mouth planting

Technical Field

The utility model relates to the technical field of oral instruments, in particular to a digital positioning guide plate suitable for full-mouth implantation.

Background

The quality of life of the old is greatly damaged by the full-mouth toothless or serious dentition deletion, the mental health is ensured, the problem that the patient without the tooth jaw can not eat food normally can be effectively and fundamentally solved by the scheme of immediate restoration by full-mouth immediate planting, and the quality of life of the tooth jaw is improved efficiently and to a great extent. Traditional planting mainly relies on doctor's experience accumulation, and the direction of planting the body can't be controlled accurately to the art of art person in the art, and this will increase the risk of the adjacent important structure of operation in-process damage, can make later stage prosthetic degree of difficulty increase even. The digital technology utilizes preoperative CT data to design and plan, analyzes the bone mass, the bone density and the position away from an important anatomical structure of an implant part, selects a proper implant site, designs the implant direction of the implant according to relevant occlusion parameters, and is expected to realize accurate guidance on the implant of the implant.

At present, the whole-course digital guide plate guidance whole-mouth planting process is not realized in the world. The digital guide plate for full-mouth planting mainly has the following two problems: 1. the problem of trimming the plane of the alveolar bone is not considered in the design of the digital guide plate at present, the phenomenon that the plane of the alveolar bone is not matched with a combined curve basically exists in a patient without an odontognathic jaw, and if the plane trimming is not carried out on the alveolar bone before an implantation operation, the normal combined curve is difficult to recover in the implantation restoration process. If the curvature is not normal, various complications such as temporomandibular joint disorder will be caused, and therefore digital bone cutting guide guidance is required for bone plane modification. 2. The positioning guide plate, the bone cutting guide plate and the planting guide plate which are used for full-mouth digital planting at present are three independent guide plates, after the positioning guide plate is used for positioning hole preparation, the problem that the guide plate cannot be completely positioned when the bone cutting guide plate and the planting guide plate are installed often occurs, and conversion in the operation process is wasted for a long time.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation and overcoming the defects in the prior art, the utility model provides the digital positioning guide plate suitable for full-mouth implantation, the positioning guide plate is detachably connected with the osteotomy guide plate, the positioning nail is not required to be taken out in the whole process, the guide plate is not required to be repositioned when the osteotomy guide plate is replaced after the positioning of the initial positioning guide plate is completed, the positioning guide plate can be directly taken down, the osteotomy guide plate is left, the operation time is saved to a great extent, and the accuracy of the digital guided implantation operation is ensured.

The technical scheme for solving the problems is as follows:

the utility model provides a digital positioning guide plate suitable for full-mouth planting, which is of an integrated structure and comprises a positioning sleeve, a positioning anode and a connector; the structure of the locating sleeve is matched with molar or wisdom tooth to guide the digital bone cutting guide plate to the target position.

In some embodiments of the utility model, the inner side of the retention anode is provided with a plurality of retention posts for connecting the digital positioning guide to the digital osteotomy guide.

In some embodiments of the utility model, the number of the retention posts is 2 to 6.

In some embodiments of the present invention, the retention post is shaped to match a retention groove on the digital osteotomy guide such that the retention post is adapted to be inserted into the retention groove.

In some embodiments of the utility model, the connector connects the position sleeve and the retention anode.

In some embodiments of the utility model, a first key way penetrating through the retention column is arranged on the retention anode, and a key body for penetrating is utilized to enable the digital positioning guide plate and the digital bone cutting guide plate to be connected in a key way.

In some embodiments of the utility model, the retention anode further extends with a bone cutting guide attaching part, and the bone cutting guide attaching part is provided with a second key way facing the retention column.

In some embodiments of the utility model, the first and second emboli are coaxial and of the same diameter.

Compared with the prior art, the utility model has the following beneficial effects:

1. the whole-course digital guide plate suitable for whole-mouth implantation is used for guiding the implantation of an implant through a step-type digital positioning guide plate, a digital bone cutting guide plate and a digital final guide plate, different guide plates are connected in a way of a key way, and the whole course can be positioned after the first guide plate is positioned, so that the second positioning is not needed, the operation time is saved, and the accuracy of the implantation of the implant is also ensured.

2. In the utility model, the structure of the digital positioning guide plate is suitable for being detachably connected with the digital bone cutting guide plate in a combined key way mode, when in use, the digital bone cutting guide plate and the digital bone cutting guide plate are combined and connected into a whole in advance, the positioning sleeve of the digital positioning guide plate is matched with molar teeth or wisdom teeth of a patient to guide the digital bone cutting guide plate to a target position, then the digital positioning guide plate is detached, the digital bone cutting guide plate is left to guide subsequent bone grafting plane trimming and fixed digital terminal guide plate guide implant implantation, the scheme of taking restoration as guide implantation and whole-course digitization is really realized, and finally, the ideal tooth restoration effect is obtained.

Drawings

FIG. 1 is a first schematic structural diagram of a digital positioning guide plate according to the present invention.

FIG. 2 is a schematic structural diagram of a digital positioning guide plate according to the present invention.

FIG. 3 is a side view of a retained anode of the digital locating guide of the present invention.

Fig. 4 is a schematic structural diagram of the digital osteotomy guide of the present invention.

FIG. 5 is a schematic view of the digital positioning guide and the digital osteotomy guide combined with a bolted connection structure according to the present invention.

The labels in the figure are: 1-a digital positioning guide plate; 2-a digital bone cutting guide plate; 11-a positioning sleeve; 12-a retention anode; 13-a linker; 14-a retention column; 15-a first embolus; 16-a bone cutting guide plate attaching part; 17-a second keyway; 18-the plug body; 21-positioning holes; 22-retention groove.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

The embodiment of the utility model provides a positioning guide plate suitable for full-mouth planting, and referring to fig. 1 and fig. 2, the digital positioning guide plate 1 is of an integrated structure and comprises a positioning sleeve 11, a retention anode 12 and a connecting body 13; the structure of the digital positioning sleeve 11 is matched with molar teeth or wisdom teeth so as to guide the matched digital bone cutting guide plate 2 to the target position; a plurality of fixing columns 14 are arranged on the inner side of the fixing anode 12 and used for connecting the digital positioning guide plate 1 to the digital bone cutting guide plate 2; the position sleeve 11 is prefabricated according to the digital information of gathering and forms, can match completely with the molar or wisdom tooth that correspond in the patient's oral cavity, and the location is accurate, wears comfortablely.

In some embodiments of the present invention, the number of the retention posts 14 is 2 to 6; preferably 4, symmetrically distributed, and referring to fig. 2 and 3, correspondingly, the number of the matched retention grooves 22 on the digital osteotomy guide 2 is also 4, and the retention columns 14 can be inserted into the retention grooves 22 to connect the digital positioning guide 1 and the digital osteotomy guide 2.

In some embodiments of the present invention, the retention post 14 is shaped to match the retention groove 22 on the digital osteotomy guide 2 such that the retention post 14 is adapted to be inserted into the retention groove 22.

In some embodiments of the present invention, the connecting body 13 connects the positioning sleeve 11 and the retention anode 12, and plays a role of supporting the digital positioning guide plate 1, so as to facilitate use; the shape of the connecting body 13 is not limited, and the connecting body can realize corresponding functions, preferably in a shape of a "T", referring to fig. 1, both ends of the connecting body 13 in the transverse direction are respectively connected to both ends of the positioning sleeve 11, and the positioning anode 12 is longitudinally connected.

In some embodiments of the utility model, referring to fig. 2, a first key 15 is provided on the digital positioning guide 1 to pass through the retaining post 14, and a key 18 is used for passing through to connect the digital positioning guide 1 and the digital osteotomy guide 2 in a key way.

In some embodiments of the present invention, referring to fig. 2 and 3, the retention anode 12 further extends with a bone cutting guide attaching portion 16, and the bone cutting guide attaching portion 16 is provided with a second key way 17 facing the retention post 14; the bone cutting guide attaching part 16 is arranged and adapted to be attached to a corresponding part of the digital bone cutting guide 2, thereby facilitating the combined connection of the digital positioning guide 1 and the digital bone cutting guide 2. The second key 17 provided in the bone cutting guide attaching portion 16 can make the key connection between the combined guide plates more secure and less likely to be displaced.

In some preferred embodiments of the utility model, said second tract 17 is coaxial and of the same diameter as said first tract 15; referring to fig. 5, when the retention anode 12 of the digital positioning guide 1 is inserted into the retention groove 22 of the digital osteotomy guide 2, a bolt 18 sequentially penetrates through the second bolt 17, the pre-fabricated bolt on the retention groove 22 and the first bolt 15, so as to realize the combined bolt-way connection of the digital positioning guide 1 and the digital osteotomy guide 2.

In some embodiments of the utility model, the digital bone cutting guide has a structure shown in fig. 4, the digital bone cutting guide 2 is a one-piece structure, and the digital bone cutting guide 2 is provided with a positioning hole 21 and a retention groove 22; the digital bone cutting guide plate is provided with a prefabricated plug passage which penetrates through the retention groove 22; the positioning hole 21 is convenient for a matched positioning nail to extend into the positioning hole to fix the digital bone cutting guide plate 2; the inner side of the digital bone cutting guide plate 2 is matched with the alveolar bone to be attached to the alveolar bone, so that the digital bone cutting guide plate 2 is fixed.

The working principle is as follows: the digital combined guide plate can be matched with a digital bone cutting guide plate for use, and can be matched with a digital terminal guide plate and a digital temporary tooth which are detachably connected with the digital bone cutting guide plate in a way of a key way to form a digital combined guide plate. When in use, the fixing post 14 on the fixing anode 12 of the digital positioning guide plate 1 is inserted into the fixing groove 22 of the digital bone cutting guide plate 2, at this time, the first key way 15 of the fixing post 14, the prefabricated key way on the fixing groove 22 and the second key way 17 on the bone cutting guide plate attaching part 16 towards the fixing post 14 form a coaxial through key way, the combined key way type connection of the digital positioning guide plate 1 and the digital bone cutting guide plate 2 is realized by using a key body 18 to sequentially penetrate through the second key way 17, the prefabricated key way on the fixing groove 22 and the first key way 15 (refer to figure 5), the digital bone cutting guide plate 2 is put into the mouth of a patient under the guidance of the positioning sleeve 11, namely, the positioning sleeve 11 in the digital positioning guide plate 1 is put on the teeth in the mouth for positioning, and the digital bone cutting guide plate 2 is guided to a target position, a positioning nail is adopted to penetrate through the positioning hole 21 and fix the digital bone cutting guide plate 2 to the alveolar bone; after positioning is finished, the key way combination between the digital positioning guide plate 1 and the digital bone cutting guide plate 2 is released, and the digital positioning guide plate 1 is taken out; then, trimming the alveolar bone according to the remaining digital bone cutting guide plate 2; after the alveolar bone is trimmed and leveled, a digital terminal guide plate (an implant guide plate) is connected to the digital bone cutting guide plate 2, a hole is prepared for a final implant by using an implant hole on the digital terminal guide plate (the implant guide plate), and the implant is implanted; and then, removing the digital end guide plate (implant guide plate), enabling the implant holes on the digital temporary tooth to correspond to the implants one by one, and taking the digital bone cutting guide plate 2 as a positioning plate to realize the immediate wearing of the digital temporary tooth.

In the utility model, different guide plates are connected in a way of a key way, and the second positioning is not needed after the first guide plate positioning is completed in the whole process, thereby saving the operation time and ensuring the accuracy of the implant implantation. Three guide plates are used in the whole planting process, so that the whole-process digital-guided planting is realized in a real sense.

After the implantation of the utility model, according to the display of CBCT (cone beam CT) after the operation, the implantation site of the implant is basically consistent with the preoperative design, thereby realizing the purpose of accurately transferring the preoperative plan to the operation, further ensuring the safety distance to the maximum extent and reducing the risk of adverse events in the operation.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The digital positioning guide plate suitable for full-mouth planting is characterized in that the digital positioning guide plate (1) is of an integrated structure and comprises a positioning sleeve (11), a retention anode (12) and a connecting body (13); the structure of the digital positioning sleeve (11) is matched with molar teeth or wisdom teeth so as to guide the matched digital bone cutting guide plate (2) to a target position.

2. The digital positioning guide according to claim 1, characterized in that the retention anode (12) is provided on its inside with a number of retention posts (14) for attaching the digital positioning guide (1) to the digital osteotomy guide (2).

3. The digital positioning guide according to claim 2, characterized in that the number of the retention posts (14) is 2-6.

4. The digital positioning guide according to claim 2, characterized in that the retention post (14) is shaped to match a retention groove (22) on the digital osteotomy guide (2) such that the retention post (14) is adapted to be inserted into the retention groove (22).

5. The digital positioning guide of claim 1, characterized in that the connecting body (13) connects the positioning sleeve (11) with the retention anode (12).

6. The digital positioning guide plate according to claim 2, characterized in that a first passage (15) is provided on the retention anode (12) through the retention post (14), and a bolt body (18) is used for the passage to connect the digital positioning guide plate (1) and the digital osteotomy guide plate (2) in a way of passage.

7. The digital positioning guide plate according to claim 6, characterized in that the retention anode (12) is further extended with a bone cutting guide attaching part (16), and the bone cutting guide attaching part (16) is provided with a second key way (17) facing the retention column (14).

8. The digital positioning guide according to claim 7, characterized in that said first (15) and said second (17) key are coaxial and of the same diameter.