阅读说明：本技术 具有激光辅助测距定深功能的牙科综合治疗椅 (Dental comprehensive treatment chair with laser-assisted distance measurement and depth setting functions ) 是由 熊宇 黄葳 于 2019-09-29 设计创作，主要内容包括：本发明涉及牙科设备技术领域,具体为具有激光辅助测距定深功能的牙科综合治疗椅,包括固定在地面上的底座,底座上设有座椅本体和辅助支架,辅助支架上设有平衡臂和操控台,操控台上设有测距定位模块,测距定位模块包括激光测距模块、第一控制模块和第一通信模块,第一控制模块用于通过激光测距模块检测车针切削或进入牙体的深度并将车针切削或进入牙齿的深度发送给导航显示装置。本发明提供的具有激光辅助测距定深功能的牙科综合治疗椅,可以为操作者提供实时、精确的数字化操作引导,从而显著提高临床操作的精准性,减少牙科治疗中对操作者的手感和临床经验的依赖,从而大大降低口腔临床诊疗的难度并减少治疗中并发症或意外情况的发生。(The invention relates to the technical field of dental equipment, in particular to a dental comprehensive treatment chair with a laser-assisted distance measurement and depth setting function, which comprises a base fixed on the ground, wherein a seat body and an auxiliary support are arranged on the base, a balance arm and a control platform are arranged on the auxiliary support, a distance measurement and positioning module is arranged on the control platform, the distance measurement and positioning module comprises a laser distance measurement module, a first control module and a first communication module, and the first control module is used for detecting the depth of a car needle for cutting or entering a tooth body through the laser distance measurement module and sending the depth of the car needle for cutting or entering the tooth to a navigation display device. The dental comprehensive treatment chair with the laser-assisted ranging and depth-setting function can provide real-time and accurate digital operation guidance for an operator, so that the accuracy of clinical operation is obviously improved, the dependence on the hand feeling and the clinical experience of the operator in dental treatment is reduced, the difficulty of oral clinical diagnosis and treatment is greatly reduced, and complications or accidents in treatment are reduced.)

1. The dental comprehensive treatment chair with the laser-assisted ranging and depth-setting functions comprises a base fixed on the ground, wherein a chair body and an auxiliary support are arranged on the base, a balance arm and a control table are arranged on the auxiliary support, and a ranging and positioning module is arranged on the control table; the range finding positioning module comprises a laser range finding module and a first control module, the laser range finding module is used for detecting the distance from the surface of the handpiece of the dental handpiece to the tooth surface, and the first control module is used for detecting the depth of the cutting of the needle or the entering of the tooth body of the dental handpiece according to the detection result of the laser range finding module.

2. The dental unit-therapy chair with laser-assisted distance-measuring and depth-setting functions according to claim 1, wherein: the operating table is also provided with a navigation display device, the distance measurement positioning module further comprises a first communication module, and the first control module is used for sending the depth of the cutting or tooth entering of the machine needle to the navigation display device through the first communication module;

the navigation display device comprises a second control module, a second communication module, a display module and a model acquisition module; the second control module receives data sent by the dental handpiece through the second communication module, and the model acquisition module is used for acquiring a three-dimensional model of the spatial structure of the tooth body to be treated; the second control module is used for controlling the display module to display the space structure three-dimensional model, and the second control module is also used for controlling the display module to display the real-time position of the needle on the space structure three-dimensional model according to the cutting depth or the tooth entering depth of the needle.

3. The dental unit-therapy chair with laser-assisted distance-measuring and depth-setting functions according to claim 2, wherein: the mobile phone comprises a mobile phone body and is characterized in that a gesture detection module is arranged on the mobile phone body and used for detecting the inclination angle of a vehicle needle, and the first control module is further used for sending the inclination angle of the vehicle needle to a navigation display device through a first communication module.

4. The dental unit-therapy chair with laser-assisted distance-measuring and depth-setting functions according to claim 2, wherein: the laser ranging module has a plurality ofly, be equipped with a plurality of light holes that lead to on the aircraft nose, first control module judges the inclination of car needle through calculating the difference between each ranging module testing result, first control module calculates the depth that the car needle cut or got into the tooth according to ranging module's testing result and the inclination of car needle, first control module still is used for sending the testing result of car needle angle to the host computer.

5. The dental unit-therapy chair with laser-assisted distance-measuring and depth-setting functions according to claim 2, wherein: the light through hole is for predetermineeing the figure, laser rangefinder module still includes image acquisition module, image acquisition module is used for gathering the shape that laser irradiation was behind the tooth face, first control module detects dental handpiece's inclination and the aircraft nose to the distance of tooth face according to the distortion condition of laser shape on tooth tissue surface face.

6. The dental unit-therapy chair with laser-assisted distance-measuring and depth-setting functions according to claim 2, wherein: the mobile phone comprises a mobile phone body and is characterized in that a torque sensor is further arranged on the mobile phone body and used for detecting torque parameters borne by a needle, the first control module is further used for sending detection results of the torque sensor to a navigation display device, and the second control module is further used for calculating hardness parameters and torque directions of a root pipe wall contacted with the tip end of the needle according to the torque parameters and controlling the display module to display the hardness parameters and the torque directions.

7. The dental unit-therapy chair with laser-assisted distance-measuring and depth-setting functions according to claim 2, wherein: the first control module is further used for acquiring the running parameters of the dental handpiece and sending the running parameters to the navigation display device, and the display module is further used for displaying the running parameters of the dental handpiece.

8. The dental unit-therapy chair with laser-assisted distance-measuring and depth-fixing functions according to any one of claims 3 to 5, wherein: the first control module is electrically connected with the zero setting correction key, and after receiving a signal of the zero setting correction key, the first control module calculates the length of the needle which is not cut or enters the tooth according to the detection result of the laser ranging module and the inclination angle of the needle and takes the length as the total length of the needle.

9. A dental unit chair with laser-assisted distance measuring and depth setting functions according to claim 8, wherein: and after receiving the signal of the zero setting correction key, the first control module acquires data of the laser ranging module and the attitude detection module for multiple times, calculates the total length of the needle, and takes the average value of multiple calculation results as the total length of the needle.

10. A dental unit chair with laser-assisted distance measuring and depth setting functions as claimed in claim 9, wherein: the first control module comprises a timing module, when the total length of the needle is calculated every time, the first control module judges whether the mobile phone body is stable or not through data of the attitude detection sensor, the first control module is used for recording the duration time for the mobile phone body to be stable through the timing module, and the first control module is used for collecting a detection result of the laser ranging module and the inclination angle of the needle and calculating the total length of the needle after the duration time is greater than a preset value.

Technical Field

The invention relates to the technical field of dental equipment, in particular to a dental comprehensive treatment chair with a laser-assisted distance measurement and depth setting function.

Background

In the common dental treatment such as cavity preparation, root canal treatment, post preparation, abutment preparation for fixing a prosthesis and the like, the accurate positioning of the length of the root canal treatment instrument entering the root canal or the determination of the depth of the grinding tooth tissue surface by a machine needle is often needed. In clinic, although the length or depth can be measured by means of an apical X-ray film, a root canal length measuring instrument or a silicon rubber guide plate, the length or depth still needs to be measured manually for many times by a doctor in operation, and the measurement is estimated by combining the experience of the doctor, so that the accurate and quick operation is not facilitated. Improper control of the operation depth in dental treatment often causes damage to apical dead center or lateral penetration of the root canal wall in root canal treatment, and causes unexpected pulp exposure and decreased resistance of the abutment in tooth restoration preparation. Therefore, the accurate positioning of the depth of the endodontic instrument or the dental needle in the tooth tissue in the clinical operation is of great significance for improving the accuracy and reliability of the dental treatment.

In recent years, technologies such as a dental cone beam projection computer reconstruction tomography (CBCT) technology, a 3D oral scanning technology and the like are rapidly developed, a foundation is laid for application of a digital technology in oral clinical diagnosis and treatment, and formation and development of an oral full-course digital diagnosis and treatment concept including diagnosis design, guide plate manufacturing, clinical operation, postoperative evaluation and the like are promoted. The digital technology-guided dental precision treatment can obviously reduce the technical threshold of clinical operation, changes the diagnosis and treatment mode which excessively depends on doctor experience and operation hand feeling in the traditional technology, and is beneficial to reducing the occurrence of diagnosis and treatment complications. If the position and the depth of the car needle of the location dental handpiece that can be accurate in the tooth tissue, will provide accurate digital operation guide for the operator to show the precision that improves clinical operation, greatly reduced oral cavity clinical diagnosis's the degree of difficulty simultaneously. Therefore, there is a need for a method of positioning a needle that can be applied in the root canal of a tooth to solve the above problems. If a set of system or equipment capable of carrying out digitization and visual display on the oral environment, operating instruments and the like is researched and developed, visual guide and accurate digital operation guide are provided for an operator, and the difficulty of oral clinical diagnosis and treatment can be greatly reduced.

Disclosure of Invention

The invention aims to provide a dental comprehensive treatment chair with a laser-assisted ranging and depth-setting function, a system or equipment which can carry out digital and visual display on an oral environment, an operating instrument and the like is provided for an operator, visual guide and accurate digital operation guide are provided for the operator, so that the depth of a car needle for cutting or entering a tooth is quickly and accurately positioned in real time in clinical operation, data support is provided for accurate operation under the guidance of digital technologies such as pit preparation, root canal therapy, abutment preparation for fixing a prosthesis and the like, the situations of accidental exposure, apical dead center damage, lateral penetration of a root canal, breakage of a root canal therapy instrument and the like caused by inaccurate working length are effectively avoided, the accuracy and the effectiveness of treatment are improved, the dependence on the hand feeling and the clinical experience of the operator in complex dental therapy is reduced, and the technical threshold of fine root canal therapy is lowered, and finally, the success rate of complex dental treatment is improved.

In order to solve the technical problem, the present application provides the following technical solutions:

the dental comprehensive treatment chair with the laser-assisted ranging and depth-setting functions comprises a base fixed on the ground, wherein a chair body and an auxiliary support are arranged on the base, a balance arm and a control table are arranged on the auxiliary support, and a ranging and positioning module is arranged on the control table; the range finding positioning module comprises a laser range finding module and a first control module, the laser range finding module is used for detecting the distance from the surface of the handpiece of the dental handpiece to the tooth surface, and the first control module is used for detecting the depth of the cutting of the needle or the entering of the tooth body of the dental handpiece according to the detection result of the laser range finding module.

According to the technical scheme, the laser ranging module is arranged, so that the distance between the machine head and the tooth surface can be detected in real time, the depth of the lathe needle for cutting or entering the tooth is calculated, the position of the end part of the lathe needle can be further positioned, data support is provided for accurate operation under the guidance of a digital technology for cavity preparation, root canal therapy, abutment preparation for fixing a prosthesis and the like, the situations of accidental marrow exposure, apical apex damage, lateral root canal penetration, root canal therapy instrument breakage and the like caused by inaccurate working length are effectively avoided, the accuracy and effectiveness of therapy are improved, and the success rate of complex dental therapy is improved.

Furthermore, a navigation display device is further arranged on the operating platform, the distance measuring and positioning module further comprises a first communication module, and the first control module is used for sending the depth of the cutting or tooth entering of the machine needle to the navigation display device through the first communication module;

the navigation display device comprises a second control module, a second communication module, a display module and a model acquisition module; the second control module receives data sent by the dental handpiece through the second communication module, and the model acquisition module is used for acquiring a three-dimensional model of the spatial structure of the tooth body to be treated; the second control module is used for controlling the display module to display the space structure three-dimensional model, and the second control module is also used for controlling the display module to display the real-time position of the needle on the space structure three-dimensional model according to the cutting depth or the tooth entering depth of the needle.

The navigation display device is configured on the dental comprehensive treatment chair, so that the position depth data of a needle of a dental handpiece can be sent to the navigation display device in real time, the navigation display device can guide a three-dimensional model of a spatial structure of a tooth body of a patient in advance before an operation, and in the process of carrying out root canal treatment, the accurate positioning of a root canal treatment instrument in the current root canal of the tooth body is displayed on the three-dimensional model in real time, so that a prompt effect is played for a user, the user can judge whether the root canal treatment instrument is in a root canal bifurcation or an apical foramen currently, the user is assisted and guided to finish the key steps of root canal formation and the like, the dependence of the user on operation hand feeling and clinical experience is reduced, the visual operation of the root canal treatment is realized, the accuracy and the effectiveness of the treatment are improved, and the success rate of.

Further, the mobile phone body is provided with a gesture detection module, the gesture detection module is used for detecting the inclination angle of the vehicle needle, and the first control module is further used for sending the inclination angle of the vehicle needle to the navigation display device through the first communication module. Through the judgment of adding the inclination angle of the vehicle needle, the position information of the vehicle needle can be acquired more accurately, and more data support is provided for visual operation.

Further, laser rangefinder module has a plurality ofly, be equipped with a plurality of light holes that lead to on the aircraft nose, first control module judges the inclination of car needle through calculating the difference between each range module testing result, first control module calculates the depth that the car needle cut or got into the tooth according to the testing result of range module and the inclination of car needle, first control module still is used for sending the testing result of car needle angle to the host computer.

Through setting up a plurality of clear holes, the range finding is carried out to different positions department, in less within range, regards the flank of a tooth as a fixed plane, and then utilizes the distance of many places range finding to look for can reachs the inclination of cell-phone body and car needle, also can be based on the accurate degree of depth of calculation car needle cutting or entering tooth of the inclination of automobile body in reverse.

Further, the clear aperture is for predetermineeing the figure, laser rangefinder module still includes image acquisition module, image acquisition module is used for gathering the shape that laser irradiation was behind the tooth face, first control module detects dental handpiece's inclination and the aircraft nose to the distance of tooth face according to the distortion condition of laser shape on tooth tissue surface face. And judging the inclination angle and the tooth surface distance of the dental handpiece through the distortion of the graph.

Further, still be equipped with torque sensor on the cell-phone body, torque sensor is used for detecting the moment parameter that the car needle received, first control module still is used for sending torque sensor's testing result to navigation display device, second control module still is used for calculating the hardness parameter and the moment direction of the root canal wall that the pointed end of car needle contacted and control display module and show according to the moment parameter. Through setting up torque sensor, can acquire the atress data of car needle, and then deduce the hardness parameter of root canal wall, through showing physical parameters such as root canal wall hardness, direction of force, can further assist and guide the operator to accomplish the root canal treatment process.

Further, the first control module is also used for acquiring the running parameters of the dental handpiece and sending the running parameters to the navigation display device, and the display module is also used for displaying the running parameters of the dental handpiece. The dental handpiece can acquire some running parameters of the dental handpiece, such as data of revolution, torque and the like, can provide more equipment data for operators, and enables the operators to master global data.

And the first control module is electrically connected with the zero setting correction key, and after receiving a signal of the zero setting correction key, the first control module calculates the length of the needle which is not cut or enters the tooth according to the detection result of the laser ranging module and the inclination angle of the needle and takes the length as the total length of the needle. And the length of the needle is automatically detected and calculated through the zero setting correction key.

Further, after the first control module receives the signal of the zero setting correction key, data of the laser ranging module and the gesture detection module are obtained for multiple times, the total length of the needle is calculated, and the average value of multiple calculation results is used as the total length of the needle.

And the average value of multiple detections and calculations is taken, so that the measurement result is more accurate.

Further, the first control module comprises a timing module, when the total length of the needle is calculated each time, the first control module judges whether the mobile phone body is stable or not through data of the attitude detection sensor, the first control module is used for recording duration time for keeping the mobile phone body stable through the timing module, and the first control module is used for collecting a detection result of the laser ranging module and an inclination angle of the needle and calculating the total length of the needle after the duration time is greater than a preset value. Whether the mobile phone body is stable is judged through the gesture detection module, whether detection is carried out is judged according to the stable duration, and then the operator can be ensured to carry out detection and calculation of the total length of the sewing needle after the gesture of the mobile phone is adjusted, and further the measuring result is more accurate.

Drawings

FIG. 1 is an isometric view of a first embodiment of a dental unit chair with laser-assisted distance and depth determination of the present invention;

FIG. 2 is a logic block diagram of a first embodiment of the integrated dental treatment chair with laser-assisted distance measuring and depth setting functions according to the present invention;

FIG. 3 is a logic block diagram of a dental handpiece used in an embodiment of the integrated dental treatment chair with laser-assisted distance measuring and depth setting of the present invention;

FIG. 4 is an isometric view of a dental handpiece for use in an embodiment of a dental unit chair of the present invention having laser-assisted ranging and depth setting;

FIG. 5 is a schematic diagram of the depth of the needle in the embodiment of the integrated dental treatment chair with laser-assisted distance measurement and depth setting functions according to the present invention;

fig. 6 is a display interface of a display module in an embodiment of the dental unit treatment chair with the laser-assisted ranging and depth-setting functions.

Detailed Description

The following is further detailed by way of specific embodiments:

the reference numbers in the drawings of the specification include: the dental robot comprises a base 1, a seat support 2, a seat 3, a chair back 4, a console 6, a navigation display device 7, a dental handpiece 8, a machine body 81, a machine head 82, a machine needle 83, a laser ranging module 84 and teeth 86.