阅读说明：本技术 一种用于口腔种植导航系统的可调节式连接杆 (Adjustable connecting rod for oral implant navigation system ) 是由 张志宏 陈佳 刘红红 于 2019-08-07 设计创作，主要内容包括：本发明公开了一种用于口腔种植导航系统的可调节式连接杆,包括连接杆杆体,连接杆杆体两端分别为参考板连接杆及固定装置连接杆；所述参考板连接杆及固定装置连接杆之间同轴设有伸缩长度可调的调节杆,调节杆至少为两组,相邻的调节杆之间具有相对伸缩自由度,调节杆包括与参考板连接杆或固定装置连接杆连接的第一连接部,以及与相邻调节杆连接的第二连接部,第一连接部与第二连接部之间具有相对旋转的自由度。本发明所提供的可调节式连接杆可根据使用环境及使用需要进行对应的长度、角度调整,能有效提高导航下口腔种植手术的精准性和安全性,降低手术风险,具有显著的社会价值和应用价值,值得大力推广和应用。(The invention discloses an adjustable connecting rod for an oral implant navigation system, which comprises a connecting rod body, wherein two ends of the connecting rod body are respectively a reference plate connecting rod and a fixing device connecting rod; the adjustable-length adjusting rod is coaxially arranged between the reference plate connecting rod and the fixing device connecting rod, the adjusting rods are at least two groups, relative telescopic freedom degrees are arranged between adjacent adjusting rods, each adjusting rod comprises a first connecting portion connected with the reference plate connecting rod or the fixing device connecting rod and a second connecting portion connected with the adjacent adjusting rods, and relative rotary freedom degrees are arranged between the first connecting portions and the second connecting portions. The adjustable connecting rod provided by the invention can be adjusted in length and angle according to the use environment and use requirements, can effectively improve the accuracy and safety of the oral implant operation under navigation, reduces the operation risk, has remarkable social value and application value, and is worthy of great popularization and application.)

1. the utility model provides an adjustable connecting rod for navigation is planted in oral cavity, includes the connecting rod body of rod, and connecting rod body of rod both ends are reference plate connecting rod and fixing device connecting rod, its characterized in that respectively: the adjustable-length adjusting rod is coaxially arranged between the reference plate connecting rod and the fixing device connecting rod, the adjusting rods are at least two groups, relative telescopic freedom degrees are arranged between adjacent adjusting rods, each adjusting rod comprises a first connecting portion connected with the reference plate connecting rod or the fixing device connecting rod and a second connecting portion connected with the adjacent adjusting rods, and relative rotary freedom degrees are arranged between the first connecting portions and the second connecting portions.

2. the adjustable connecting rod for an oral implant navigation system of claim 1, wherein: an inner thread is arranged in an inner cavity of the reference plate connecting rod and the fixing device connecting rod along the axial direction, and an outer thread matched with the inner thread is arranged outside the first connecting part of the adjusting rod; and internal threads are arranged in one group of inner cavities in the second connecting parts of the adjacent adjusting rods, and external threads matched with the internal threads are arranged outside the other group.

3. The adjustable connecting rod for an oral implant navigation system of claim 2, wherein: and limiting bolts are arranged between the threaded joints.

4. The adjustable connecting rod for an oral implant navigation system of claim 1, wherein: the first connecting portion and the second connecting portion are provided with extending portions extending out relatively, a bolt penetrates through the extending portions, and a nut is sleeved on the extending end of the bolt.

5. The adjustable connecting rod for an oral implant navigation system of claim 4, wherein: the extending parts extending out of the first connecting part and the second connecting part are provided with knurling surfaces.

Technical Field

The invention relates to the technical field of oral medical instruments, in particular to an adjustable connecting rod for an oral implant navigation system.

Background

With the gradual popularization of the oral implant treatment, the requirements of patients on the accuracy and the minimally invasive property of the oral implant treatment are increasingly increased. In order to meet the requirement, in recent years, the oral implant navigation technology is gradually applied to the oral implant field and plays an increasingly greater role. Compared with the traditional free-hand and static guide plate guided implantation surgery, the method greatly improves the accuracy and the minimally invasive property of dental implantation treatment through the application fusion of a medical image three-dimensional visualization technology, a registration technology and a space positioning technology and the support of software, a computer and accessory hardware thereof, an optical positioning device, image data and a positioning device.

The oral implantation navigation technology is characterized in that a three-dimensional medical image is virtually and visually applied, an accurate infrared positioning technology is combined, fusion of surgical instruments, the medical image and the human body space position is achieved, accurate tracking navigation in an operation is achieved, an implantation design is adjusted in time, and an important anatomical structure is avoided, so that the implantation precision is effectively improved, the operation safety is improved, the operation time cost is saved, and the long-term success rate of dental implantation is greatly improved.

Before operation, the spatial position of the operation area of the patient can be accurately fused with the medical image by accurate registration, so that accurate tracking in the operation is realized. In the prior art, registration and tracking are realized by adjusting a reference plate, the reference plate and a patient are regarded as a whole in the operation process, relative displacement cannot exist between the reference plate and the patient, otherwise, the image navigation precision is greatly improved, and the reference plate is fixed in the oral cavity of the patient by connecting a connecting rod with an intraoral retention device, so that whether the connecting rod is suitable or not is related to the whole navigation precision.

Use feedback through clinical operation at present, it has following problems to find current connecting rod to exist:

1. Length aspect: because the length of the prior connecting rod can not be adjusted, when the muscles of the cheek of a patient are developed or fat is more, the length extending out of the mouth can not meet the clinical requirement, and even after retention, the connecting rod can be loosened in the operation due to the influence of the thickness of the muscles or fat of the cheek.

2. In the aspect of angle: because current connecting rod angle is fixed, can hinder the going on of planting operation in the art behind the connection reference plate, perhaps because the angle problem shelters from the discernment of infrared tracking camera to the reference plate.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an adjustable connecting rod for an oral implant navigation system, wherein the length and the angle of the adjustable connecting rod can be correspondingly adjusted according to the use requirement.

An adjustable connecting rod for an oral implant navigation system comprises a connecting rod body, wherein a reference plate connecting rod and a fixing device connecting rod are respectively arranged at two ends of the connecting rod body; the adjustable-length adjusting rod is coaxially arranged between the reference plate connecting rod and the fixing device connecting rod, the adjusting rods are at least two groups, relative telescopic freedom degrees are arranged between adjacent adjusting rods, each adjusting rod comprises a first connecting portion connected with the reference plate connecting rod or the fixing device connecting rod and a second connecting portion connected with the adjacent adjusting rods, and relative rotary freedom degrees are arranged between the first connecting portions and the second connecting portions.

The adjustable connecting rod provided by the invention can be correspondingly adjusted in length and angle according to the use environment and use requirements, can effectively improve the accuracy and safety of the navigation lower tooth planting operation, reduces the operation risk, has remarkable social value and application value, and is worthy of great popularization and application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view (in cross-section) of the present invention;

FIG. 3 is a schematic structural view of the knurled surface of the first and second connecting portions of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.

Referring to fig. 1 and 2, the adjustable connecting rod for an oral implant navigation system provided in this embodiment includes a connecting rod body 1, two ends of the connecting rod body 1 are a reference plate connecting rod 2 and a fixing device connecting rod 3, in order to solve the technical problem described in the background art, the technical solution of this embodiment is that a telescopic length adjustable adjusting rod 4 is coaxially disposed between the reference plate connecting rod 2 and the fixing device connecting rod 3, the adjusting rod 4 is at least two sets, a relative telescopic freedom degree is provided between adjacent adjusting rods 4, the adjusting rod 4 includes a first connecting portion 41 connected to the reference plate connecting rod 2 or the fixing device connecting rod 3, and a second connecting portion 42 connected to the adjacent adjusting rod 4, and a relative rotation freedom degree is provided between the first connecting portion 41 and the second connecting portion 42.

The working principle is that, refer to board connecting rod 2, between fixing device connecting rod 3 and two sets of regulation poles 4, constitute the flexible length adjustment department of at least three along the connecting rod body of rod 1 length direction, consequently can be according to the in service behavior, light realization is to the length adjustment of the connecting rod body of rod 1, and more importantly, adjust the rotation type design of the first connecting portion 41 of pole 4 self and second connecting portion 42 through the cooperation, refer to board connecting rod 2, also can form mutual angular adjustment between fixing device connecting rod 3 and the regulation pole 4, so when carrying out navigation guide lower oral cavity planting operation, can effectively realize the required adaptability change of length and angle in the three-dimensional space of connecting rod 1.