JP3584169B2 - Dental training system - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a dental training system.
[0002]
[Prior art]
Generally, in dental practice, attaching the tooth jaw model in accordance with the training purpose couch for model training, how to master the dental technology by applying therapeutic purposes in the dental jaw model is adopted.
[0003]
[Problems to be solved by the invention]
However, there is a case where the treatment technique acquired in the training cannot be reflected in the actual treatment of the patient only by the training with the dental jaw model. As the cause can be considered a variety of things, treatment attitude at the time of model training, treatment operations, learning such as how to handle the treatment equipment is not only insufficient, immediately to the patient practice the techniques learned in the model training Applied and could not evaluate the results.
[0004]
[Means for Solving the Problems]
Accordingly, the present invention is, not only can be evaluated immediately the results of the model training, along with the applicable immediately the patient practice the techniques learned in the model training, it can be evaluated by comparing the results of the result and the patient practice of model practice dentistry It is intended to provide a training system.
[0005]
To achieve this object, the dental training system of claim 1
(A) a first dental clinic for training;
(B) a dental jaw model provided on the first dental examination table;
(C) a first chair located near the first dental office,
(D) a first photographing camera installed above the dental jaw model and photographing the training situation using the dental jaw model;
(E) a monitor for projecting an image photographed by the first photographing camera;
(F) a second dental couch on which the patient is placed;
(G) a second chair located near the second dental office,
(H) the spatial position of the first dental treatment table and the first chair, characterized in that a means which enables reproduction between the second dental treatment table and a second chair.
[0006]
The dental training system according to claim 2 according to another aspect of the present invention further comprises:
(I) adjusting means for adjusting the heights of the first and second dental tables and the first and second chairs, respectively;
(J) The display device further comprises display means for displaying the adjusted heights of the first and second dental clinics and the first and second chairs.
[0007]
The dental training system according to claim 3 according to another aspect of the present invention further comprises:
(K) a second photographing camera arranged above the second dental examination table for photographing the treatment status of the patient, and an image photographed by the second photographing camera is projected on a monitor; It is characterized by.
[0008]
The dental training system according to claim 4 according to another aspect of the present invention further comprises:
(L) An image recording unit for recording a first image photographed by a first photographing camera and a second image photographed by a second photographing camera is provided.
[0009]
【The invention's effect】
According to the dental training system of claim 1, capturing the situation at the time of training using dental model with photographing camera, the captured content (i.e., training conditions) and reflects on the monitor, inadequacies during model training (E.g., posture at the time of treatment, how to handle the device) can be objectively self-evaluated, and self-correction can be performed based on it. In addition, the height of the examination table and chair at the time of the dental model training is reflected on the examination table and chair of the patient training, so that the patient training can be performed in an appropriate posture. Then, after training using a dental model, performs a patient training in the same environment, training people so can be applied directly to the patient practice the sense that you mastered in the model training, can learn the treatment technology in a short period of time.
[0010]
Further, according to the dental training system of claim 2, the height of the treatment table and chair for the model training accurately reflect the couch and chair for patient training, allows the patient training in model training and the same environmental .
[0011]
Further, according to the dental training system of the third aspect, the situation of the model training and the situation of the patient training can be displayed on a monitor, and the difference between the two can be evaluated and analyzed on a moving image.
[0012]
According to the dental training system of the fourth aspect, the recorded training status can be reproduced, evaluated and analyzed at any time.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
I. Outline of Dental Training System FIGS. 1 and 2 show an outline of a dental training system 10 according to the present invention. The dental training system 10 includes a first training zone Z1 using tooth jaw model, the second training zone Z2 to apply the techniques learned in the first training zone 12 to the actual patient, the first training zone Z1 first 2 includes an evaluation zone Z3 for displaying and evaluating the training status in the training zone Z2 on the image, and an instructor zone Z4 for the instructor to observe and evaluate the training content and training result of each trainee.
[0014]
II. First Training Zone The first training zone Z1 has five training devices 12 arranged in parallel. The training device 12 generally includes a medical table 14 and a chair (first chair) 16 for the trainee provided on one end side of the medical table 14. The end of the examination table 14 near the chair 16 is configured so that a dental jaw model 18 according to the treatment technique to be acquired can be detachably mounted. Further, the medical table 14 is provided with a tool 20 (for example, a handpiece) necessary for dental treatment, so that the trainee can use the necessary tool as needed.
[0015]
As shown in FIG. 3, the examination table 14 includes a table 22 on which the dental jaw model 18 is mounted, and a base 24 that supports the table 22 so as to be able to move up and down. In the present embodiment, the base 24 includes a base lower part 28 fixed to the floor surface 26 and a base upper part 30 assembled in a telescopic manner with respect to the base lower part 28. In a space formed inside the upper base 30, a cylinder device 32 for raising and lowering the upper base 30 with respect to the lower base 28 is provided. The cylinder device 32 is connected to a foot controller 34 arranged on the floor 26 on the side of the examination table 14, and the trainee A1 (see FIG. 2) drives the cylinder device 32 by operating the foot controller 34 with a foot. Then, the upper base 30 can be moved up and down to a desired height of the trainee A1.
[0016]
In order to measure the height from the floor 26 to the upper surface of the table 22, as shown in FIGS. 3 and 4, a potentiometer 36 is fixed to the outer surface of the lower base 28 with its rotation axis 38 oriented horizontally. The pinion 40 is fixed to the rotating shaft 38. On the other hand, a rack 42 extending in the vertical direction is fixed to the outer surface of the base upper portion 30 so as to face the pinion 40, and the pinion 40 meshes with the rack 42.
[0017]
In order to display the height of the table 22 to the trainee A, a display device 44 is provided above the table 22.
[0018]
The cylinder device 32, potentiometer 36, foot switch 34, and display device 44 are connected to a control circuit 46 (see FIG. 3). In FIG. 3, the control circuit 46 is displayed outside the medical table 14, but is provided inside the medical table 14. When receiving the signal from the foot switch 34, the control circuit 46 drives the cylinder device 32 to adjust the height of the table 22. At this time, the amount of elevation of the table 22 is measured by the potentiometer 36, and the measurement result is transmitted to the control circuit 46. The control circuit 46 calculates the height of the table 22 based on the signal from the potentiometer 36, and displays the calculated height of the table 22 on the display device 44.
[0019]
As shown in FIG. 5, the trainee's chair 16 has a substrate 50 fixed to the floor surface 26. One end of a horizontal arm 52 is connected to the substrate 50, and the horizontal arm 52 is rotatable about a vertical axis indicated by reference numeral. The vertical axis 54 is aligned with a vertical reference axis (usually called a skill axis) passing through the incisal end of the upper central incisor of the dental jaw model 18 attached to the examination table 14. The other end of the horizontal arm 52 is connected to a vertical support 56 extending vertically upward from the other end. The vertical support 56 includes a cylindrical support lower part 58 having a lower end fixed to the tip of the horizontal arm 54, and a cylindrical support upper part 60 telescopically assembled on the support lower part 58. In a space formed inside the lower column 58 and the upper column 60, a cylinder device 62 that moves the upper column 60 up and down with respect to the lower column 58 is arranged.
[0020]
The column upper part 60 is provided with a horizontal guide 64 that extends in the major axis direction of the horizontal arm 54 at the upper end. The horizontal guide 64 supports a horizontal moving member 66, and the horizontal moving member 66 supports a seat 68 so that the horizontal moving member 66 and the seat 68 can move in the horizontal direction along the horizontal guide 64.
[0021]
The chair 16 also includes a hand lever 70 (see FIG. 6) for positioning and releasing the horizontal moving member 66 with respect to the horizontal guide 64 so that the trainee can fix the position and height of the seat 68, and a column upper part 60. A foot pedal 72 is provided at the lower part of the support column 58 to be fixed and released. Therefore, the trainee can move himself to the most appropriate position with respect to the tooth model 18 by operating the hand lever 70 and the foot pedal 72.
[0022]
The height and direction of the seat 68 and the distance from the seat 68 to the dental jaw model 18 (more precisely, the height of the center of the surface on which the trainee sits, the direction of the horizontal arm 54, and the tooth jaw model from the center of the seating surface) to measure the distance of), the amount of rotation of the horizontal arm 54 around the potentiometer 74, the vertical axis 52 on a chair 16 for measuring the amount of movement of the strut top 60 for three potentiometers (post bottom 58 ( A potentiometer 76 for measuring the rotation angle) and a potentiometer 78) for measuring the amount of movement of the horizontal moving member 66 with respect to the horizontal guide 64 are provided. In order to simplify the drawing, these potentiometers 74, 76, and 78 are designated with the outside of the chair 16, in practice, the potentiometer 74 is provided between the strut lower 58 and the support upper 60, The potentiometer 76 is provided on the substrate 50 or the horizontal arm 54, and the potentiometer 78 is provided on the horizontal guide 64 or the horizontal moving member 66.
[0023]
Potentiometer 74, 76 and 78 are connected to the control circuit 46, control circuit 46, the distance in the height-direction and skill axes et chair 16 on the basis of a signal from the potentiometer 74, 76 and 78 The calculation is performed, and the calculated value is displayed on the display device 44. Therefore, training person sits on the chair 16, the numerical values appearing on the display device 44 by reading (table height, distance from the height-direction and skills axis of the chair), their own against tooth jaw model 18 You can check the position.
[0024]
Returning to FIG. 2, in order to record the situation during the treatment training using the dental jaw model 18, a photographing camera 80 and two dental lights 82 and 84 are provided above the dental jaw model 18. For example, they are supported by a pole 86 extending upward from the table 22 and extending horizontally above the tooth model 18. As the photographing camera 80, various image pickup devices for converting an image into an electric signal, such as a small camera such as a CCD, a video camera, and a Sachicon photographing device, can be used. In the present embodiment, an infrared camera is used. I have. The supporting pole 86 and the photographing camera 80 are preferably arranged so that the center line of the photographing camera 80 coincides with the median line 54 (see FIG. 5) of the tooth jaw model 18. Further, instead of the support pole 86, the photographing camera 80 and the dental lights 82 and 84 may be supported on the ceiling of the first training zone Z1.
[0025]
An infrared lamp 88 that emits infrared light is arranged near the photographing camera 80. The infrared lamp 88 is supported by a support pole 86 and projects infrared rays toward a photographing area of the photographing device 80.
[0026]
III. The second training zone second training zone Z2 is a zone that practice by applying a treatment technology that was mastered by using a dental model in the first training zone Z1 to the actual patient, in terms of dental treatment table is not provided with a dental model It is different from the first training zone Z1. Therefore, the detailed description of each device in the second training zone is omitted, and in the following description, the corresponding devices in the first training zone Z1 are distinguished by adding "'" after the reference sign as necessary. .
[0027]
IV. The evaluation zone Z2 is for recording images taken by the photographing cameras 80 and 80 'of the first and second training zones Z1 and Z2, and for evaluating the training situation photographed by the photographing cameras 80 and 80'. As shown in FIG. 7, camera controllers 90 and 90 ', video devices (VCR) 92 and 92', and monitor devices 94 and 94 'are provided corresponding to each training device 12. Each camera controller 92, 92 'is connected to the corresponding photographing camera 80, 80', and converts image data transmitted from the photographing camera 80, 80 'into image data of a predetermined format. The video devices 92, 92 'are connected to the corresponding camera controllers 90, 90', and record the image data output from the camera controllers 90, 90 'on an appropriate recording medium (for example, a magnetic tape). The monitor devices 94 and 94 'are composed of a cathode ray tube or a liquid crystal panel, and display image data recorded on a recording medium by the video devices 92 and 92'.
[0028]
In order to clarify the connection state of each device, the monitor device 94 for the first training zone Z1 and the monitor device 94 'for the second training zone Z2 are displayed at different places. The model training in the first training zone Z1 and the patient training in the second training zone Z2 can be displayed and compared at the same time.
[0029]
Further, one monitor device 94 may be divided into screens, and the training contents in the first training zone Z1 and the training contents in the second training zone Z2 may be displayed on the same monitor device 94.
[0030]
Similarly, the video device 92 for the first training zone Z1 and the video device 92 ′ for the second training zone Z2 may be shared.
[0031]
V. Instructor zone Instructor zone Z4 is provided with an instructor monitor device 96 and an instructor video device 98 connected to the monitor device 96, as shown in FIG. A changeover switch 100 is provided in the instructor zone Z4. The changeover switch 100 is connected to a controller 102 that controls the entire system 10. By operating the changeover switch 100, the contents of the training in the first and second training zones Z1 and Z2 are displayed on the instructor monitor 96. An image of the exemplary treatment reproduced or reproduced on the instructor's video device 98 can be displayed on each of the training monitor devices 94 and 94 '.
[0032]
In addition, the instructor zone Z4, training apparatus intended for the same model or patient and the first and second training zone Z1, Z2 (photographing camera 104 includes a camera controller 106.) Is provided, where shot model treated May be displayed on the monitor devices 94 and 94 'in the evaluation zone Z3.
[0033]
VI. During training with dental model 18 in the model training first training zone Z1, training person A, along with operating the foot controller 34 to adjust the height of the table 22, by operating the hand lever 70 and foot pedal 72 The height and the horizontal position of the seat 68 are adjusted, and the user moves himself / herself to a position where the dental jaw model 18 is most easily accessed. At this time, the height of the table 22, the height and the horizontal position of the seat 68 (the positions in the X and Y directions, and the rotation angle) are displayed on the display device 44 on the table 22. The displayed numerical value may be stored in a storage device (not shown).
[0034]
The situation during the model training is photographed by the photographing camera 80, and the image data is recorded by the video device 92 via the camera controller 90. Further, the image data may be displayed on the video devices 92 and 92 'in the evaluation zone Z3 and the monitor device 96 for the instructor so that the assistant and the instructor can observe the training situation.
[0035]
When an infrared camera is used as the photographing camera 80, as shown in FIG. 8, a part of the body of the trainee A (for example, a head, a shoulder, or a hand) or an end of a handpiece used by the trainee A Then, a reflecting member 110 (for example, a seal) that reflects infrared light is attached thereto, the reflecting member 110 is illuminated with an infrared lamp 88, the reflected light is photographed with an infrared camera, and the locus 112 of the photographed reflecting member is displayed on a video device. It may be recorded at 92 (see FIG. 9).
[0036]
VII. During patient training in patients Practice second training zone Z2, training person height of the table 22 set during model training, the height and horizontal position of the chair 16, 'table 22' training apparatus 10, relative to chair 16 ' To reproduce. At the time of the patient training, the training situation is recorded as an image in the same manner as the model training in the first training zone Z1. Further, as in the case of the model training, the reflecting member 110 'is attached to a part of the body of the trainee A or the handpiece, and the reflecting member 110' is photographed by the infrared camera 88 ', and the trajectory 112' is recorded as a video. The information may be recorded by the device 92 '.
[0037]
VIII. The contents of the training evaluation model training and the patient training can be evaluated not only individually in the evaluation zone Z1 and the instructor zone Z4, but also in comparison with each other. For example, FIGS. 8A and 8B show patient training and model training of the same trainee A. As shown in these figures, but when the model exercise midline training person A is almost correctly matches the midline of the model 18, the median line between the training person midline patient A B becomes patient training May be out of order. In other words, even when the model exercise not properly positioned training user A target (Dental Model 18), not correctly positioned when facing the actual patient B target (patient), model training for its 18 There is a case where the technique acquired in the above is not accurately reflected on the actual patient B.
[0038]
In the training system 10, in such a case, by displaying the state of the model training and patient training simultaneously, objectively and quantitatively grasp the difference in time of both training, to correct the difference, training person You can learn the right treatment.
[0039]
In the case of using the infrared camera and the reflecting member, as shown in FIG. 9, only the body of the trainee A to which the reflecting member 110 is attached and the movement of the handpiece are taken out and displayed on the monitor devices 94 and 94 '. be able to. Here, FIG. 9 shows the trajectory 112 'of the reflecting member 110' during the patient training and the trajectory 112 of the reflecting member 110 during the model training, and it can be seen that there is a clear difference between the movements of the two. Therefore, the trainee A can objectively grasp that the body and the handpiece are largely moving unlike the time of treatment of the patient and the time of the model training.
[0040]
In the above description, the left side of the trajectory 112 'displays a movement of the body and the handpiece during patient training 9, although the right of the path 112 is displaying their movement during model training The right trajectory 112 ′ may indicate the instructor's movement during exemplary treatment. In this case, the trainee can clearly recognize the difference in the trajectory between himself and the instructor.
[0041]
As shown in FIG. 9, the monitor device may display various values 114 and 114 ′ such as the height of a table and a chair at the time of patient training for the same trainee, and may display various values of the trainee. The numerical values and the corresponding numerical values at the time of the model treatment by the instructor may be displayed together.
[0042]
Further, although the movement of the reflection member is displayed in FIG. 9, a transparent sheet is placed on the screens of the monitor devices 94 and 94 ', and the movement of a specific point (for example, the end of the handpiece) is determined by the assistant S ( The same motion trajectory can be obtained by tracing (see FIG. 1).
[Brief description of the drawings]
FIG. 1 is an overall plan view of a dental training system according to the present invention.
FIG. 2 is a front view of the dental training system shown in FIG.
FIG. 3 is a front view of a training device in the dental training system shown in FIG. 1;
FIG. 4 is a diagram showing an arrangement state of a potentiometer in the training device.
FIG. 5 is a front view of a chair in the dental training system shown in FIG. 1;
FIG. 6 is a plan view showing the movement of the chair shown in FIG.
FIG. 7 is a block diagram of the dental training system shown in FIG. 1;
FIG. 8 shows a sample of an image displayed on a monitor, where (A) shows an example during patient training and (B) shows an example during model training.
FIG. 9 is a diagram illustrating a trajectory of a reflection member projected on a monitor.
[Explanation of symbols]
Reference numeral 10: dental training system, 12: training device, 14, 14 ': examination table, 16, 16': chair, 18: tooth and jaw model, 80, 80 ': photographing camera, 94, 94': monitor device, 46 ... Control device.

Claims (4)

(A) a first dental clinic for training;
(B) a dental jaw model provided on the first dental examination table;
(C) a first chair arranged near the first dental office,
(D) a first photographing camera that is installed above the dental jaw model and captures a training situation using the dental jaw model;
(E) a monitor for projecting an image photographed by the first photographing camera;
(F) a second dental couch on which the patient is placed;
(G) a second chair located near the second dental clinic;
(H) dental training system the spatial position of the first dental treatment table and the first chair, and means that the reproducible between the second dental treatment table and a second chair. (I) adjusting means for adjusting the heights of the first and second dental tables and the first and second chairs, respectively;
(J) The dental training system according to claim 1, further comprising display means for displaying adjusted heights of the first and second dental clinics and the first and second chairs. (K) having a second photographing camera arranged above the second dental examination table for photographing the treatment status of the patient, and projecting an image photographed by the second photographing camera on a monitor; The dental training system according to claim 1, wherein: (1) An image recording unit for recording a first image photographed by a first photographing camera and a second image photographed by a second photographing camera. Oral dental training system.

Images