JP2807551B2 - Dental training desk - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a dental training desk provided with a patient model for dental training.

(Prior art) Dental practice is roughly divided into practice of preservative treatment for preserving natural teeth such as cutting treatment or orthodontic treatment of a diseased part of a tooth decay, taking an impression, making a denture, There is practice of prosthetic treatment to create a denture instead of a natural tooth such as occlusal adjustment after wearing. When performing clinical practice for conservative treatment, use a so-called supine head model that keeps the head almost horizontal,
When performing prosthetic training, a so-called upright head model in which the head is kept upright is used. In addition, the practice of conservative treatment and prosthesis, such as the use of various syringes and handpieces for medical practice of conservative treatment, and the indispensability of a technical suction device and micromotor for technical use, etc. The equipment used and the equipment to be equipped on the training desk are different from those used in the training in the previous training, so that the training desk for consulting preservative treatment and the training desk or work desk for prosthetic training have been separated from each other. The schools were also set up, and the training and training rooms were also set up separately. Therefore, no patient model for training has ever been intended to be used for both training in the supine position and training in the standing position.

In addition, a training desk equipped with a patient model is, for example,
No.-9115, No.57-22197, etc., but only the head model is equipped on the training desk, and the patient model has both the torso model and the head model. There is no training desk equipped with. A patient model with only a head model is not enough to learn the positions and postures of the operator and assistant during medical treatment. Of course, for example, there is a training device simulating a dental medical chair, such as a dental training device of Japanese Patent Publication No. 55-42398, which has both a torso model and a head model. Dedicated equipment, and cannot be used for other dental training and practical training. Of course, it cannot be used as a desk. If you need a desk, you need to set it up separately.

(Problems to be Solved by the Invention) The present invention enables the practice of conservative treatment, the practice of prosthetic treatment, and the practice of technical work to be performed at the same training desk. It is an object of the present invention to provide not only a part model but also a torso model so that practical training that better matches the practice of dental care can be performed.

(Means for Solving the Problems) A dental training desk of the present invention includes a patient model for dental training including a head model, a torso model, and a support for connecting the head model to the torso model. The model is mounted below the desk top so that the model can be slidably adjusted back and forth and the inclination with respect to the horizontal plane, and the support has a front-rear rotating part that can turn the head model in the supine position and the standing position. It is characterized by having.

(Embodiment) A configuration and an embodiment of the present invention will be described below in detail with reference to the drawings. First, a patient model for dental training provided in the dental training desk of the present invention will be described. FIG. 1 is a side view of a patient model according to the present invention. The patient model includes a torso model 1, a head model 2, and a support 3. The support receiver 4 held and fixed to the fuselage model 1 has an insertion hole 5, and the first arm 3 a of the support 3 is inserted through the insertion hole 5 so as to be slidable and removable. Numeral 6 denotes a slide adjusting screw which is screwed into a screw hole in the side wall of the receiving body 4 and whose tip engages with a longitudinally extending long groove (not shown) provided in the first arm 3a. By tightening the screw, the tip of the screw presses the bottom surface of the long groove, fixing the first arm 3a at a desired sliding position.
Alternatively, the tip of the screw may be fitted into a fitting hole provided on the bottom surface of the long groove of the first arm 3a to adjust and fix the sliding of the first arm.

The support 3 is provided with the second arm 3 in addition to the first arm 3a.
b, having a third arm 3c, and a front-rear rotating part 3d for coupling the second arm to the first arm so as to be adjustable in inclination,
A left / right rotating unit 3e for coupling the third arm to the second arm so as to be rotatable. The tilt axis of the front-rear rotating part 3d extends in the horizontal direction and in the shoulder width direction of the fuselage model.
Therefore, the second arm and the third arm and the head model connected thereto are tilted by the rotating portion 3d,
Can turn to supine and upright positions. On the other hand, the left-right rotating part 3e is selected such that the direction of the rotation axis is in a plane orthogonal to the tilt axis of the front-rear rotating part, and therefore, the third arm and the third arm are connected to the third arm by the rotating part 3e. The rotated head model can be rotated left and right. At the end of the third arm, a mounting member 3f is mounted. The mounting plate 2b of the jaw model 2a of the head model 2 is coupled to the mounting plate 2b with the screw 2c. It is possible.

The solid line in the figure shows the case where the head model is held in an upright position, and the dotted line shows the case where the second arm is tilted 90 degrees from the case of the solid line by the front and rear rotating part and the head model is held in the supine position. Is shown. In the case of a three-dimensional object, it is desirable to turn the face toward the surgeon located at 9 o'clock to 12 o'clock, and this is performed by adjusting the rotation of the left-right rotating unit.

The torso model 1 is supported on a support of the torso model so that the tilt with respect to the horizontal plane can be freely adjusted.
This is because it is desirable that the torso can be changed to the horizontal position or the upright position in accordance with the supine position or the standing position of the head model. In addition, the head model is adjusted to a desired height above the floor surface by adjusting the inclination of the torso model 1 with respect to the horizontal plane and the sliding adjustment of the first arm of the support described above, so that the medical chair can be raised and lowered in actual clinical practice. This is because it is desirable to be able to simulate. In this case, the support receiver 4 is attached to the fuselage model 1 via a tilt adjusting means such as the front-rear rotating part 3d so that the support body 3 can be connected to the fuselage model in a tilt-adjustable manner. You may. In addition, in order to adjust the inclination of the head model brought about in the supine position and the standing position in the front and rear directions, the head model can be adjusted freely with respect to the third arm 3c by using the front / rear rotating part 3d. The head model may be attached via a means that can be tilted back and forth.

As described above, the first arm 3a of the support 3 can be freely inserted into and removed from the support receiver 4, and the head model 2 can be attached and detached with the screw 2c. That is, the head model 2 is detachably connected to the body model 1, and the head model can be exchanged and stored with or without the support as necessary.

A front-rear rotation part 13d for connecting the second arm 3b of the support 3 to the first arm 3a so as to be tiltably adjustable, and a left-right rotation part for connecting the third arm 3c to the second arm 3b so as to be rotationally adjustable.
Various known tilt adjustment means or rotation adjustment means can be used as 13e. An example of the tilt adjusting means constituting the rotating part in the front-rear direction according to the present invention will be described below with reference to a sectional view of FIG. 2 and an exploded perspective view of a main part of FIG. 3, which is disclosed in Japanese Utility Model Publication No. 57-44990. It is of the same type as the one proposed by humans. A large diameter portion 104, on the shaft support portions 101 and 102 of the support base 100 coupled to the first arm 3a,
A support shaft 103 having a small diameter portion 105 and a diameter step portion 106 is supported so as to be movable in the axial direction. A rotary bearing 107 connected to the second arm 3b is rotatably inserted into the large diameter portion 104 of the support shaft 103, and a ratchet wheel 109 is inserted through the small diameter portion 105 so as to be movable in the axial direction. Radial row-shaped trapezoidal pawls 108 are engraved on the right end face of the rotary bearing 107, as shown in FIG. 3, and corresponding radial row-shaped trapezoidal pawls 110 are formed on the left side of the ratchet wheel 109. It is engraved on the end face. A center concave portion 111 and a plurality of pin fitting holes 112 are provided on the right end surface of the ratchet. Further, a slide prevention collar 115 is fitted around the outer periphery of the ratchet wheel 109, one end of the collar comes into contact with an end face of the rotary bearing 107, and the other end comes into contact with the shaft support portion 102, so that the axial movement of the rotary bearing 107 is prevented. Blocked by the collar. Further, the rotation preventing pin 114 inserted into the pin insertion hole 112 of the ratchet and the pin insertion hole of the shaft support is fixed to the shaft support 102 by a set screw 116 to prevent the wheel 109 from rotating. . The spring 113 is mounted between the bottom surface of the center concave portion 111 of the ratchet and the shaft support 102 in a compressed state.
Pressing toward 7. The distal end of the small diameter portion 105 of the support shaft 103 penetrates the bearing portion 102 and protrudes outward, and the protrusion has a retaining nut 117 screwed into a screw groove provided in the portion, and the support shaft 103
Is prevented from escaping to the left in the figure.

If the operation of the tilt adjusting device is described, the trapezoidal pawl teeth 110 of the ratchet wheel and the trapezoidal pawl teeth 108 of the rotary bearing 107 that are always pressed by the spring 113 are engaged with each other, and the ratchet wheel 109 is as described above. Since the rotation is prevented by the rotation prevention pin 114, the rotation bearing cannot rotate.
However, when the support shaft 103 is pressed to the right and slides to the right, the diameter step portion 106 presses the ratchet and slides the ratchet to the right against the force of the spring 113. The engagement with the pawl teeth 110 of the vehicle is released, and the rotary bearing 107 becomes rotatable around the support shaft 103. In this state, the second arm 3b connected to the rotary bearing is tilted at a desired angle. Next, when the pressing force on the support shaft 103 is released, the ratchet wheel returns to the original position again by the elastic force of the spring 113, the pawl teeth 108 and the pawl teeth 110 mesh with each other, and the rotation of the rotary bearing, that is, the second arm 3b Is locked.

Further, an example of a rotation adjusting means for rotatably connecting the third arm to the second arm will be described with reference to a cross-sectional view of FIG. 4 and a plan view of a connecting portion at the tip of the second arm of FIG. ,
A concave portion 201 is provided in the coupling portion 200 at the distal end of the second arm 3b, and a plate-shaped ring 203 having a large number of, for example, twenty through holes 204 and a central screw hole 205 on the outer peripheral portion is fitted into the concave portion. A concave groove 207 is formed at a position corresponding to the through hole 204 in the coupling portion 206 at the tip of the third arm 3c, and the compressed spring 208 and the ball 20 are formed in the concave groove.
9 and insert. Insertion hole at the center of the joint 206 of the third arm
The central part of a bolt 211 having screw grooves at both ends is inserted into 210, and the screw groove at one end is screwed with the screw groove 202 of the second arm and the screw hole 205 of the ring, and protrudes from the joint of the third arm. The nut 212 is screwed into the screw groove at the other end. The ball 209 partially fits into the through hole 204 of the ring 203, and the third arm 3c can rotate stepwise around the center of the bolt 211.

Next, an embodiment of the dental training desk of the present invention, which is required to have the dental training patient model described above, will be described. FIG. 6 is a front view of the dental training desk of the present invention, and FIG. 7 is a right side view thereof. In the figure, reference numeral 10 denotes a patient model mounted on a training desk, and a support for connecting the torso model 11 and the head model to the torso model.
It consists of 13. Although not shown in detail in the drawing, the support 13 has a front-rear rotating part and a left-right rotating part so that the head model can be turned to the supine position and the upright position as described above. The support 13 is detachably attached to the fuselage model.

Reference numeral 14 denotes a desk top plate, and a drawer 15 is provided below the top plate so as to be slidable forward and backward. The fuselage model 11 is attached to the drawer 15, and the drawer is placed in front of the desk. It is pivotally supported by the drawer 15 so that the tilt with respect to the horizontal can be adjusted freely in the drawn state. Therefore, the torso model of patient model 10
Numeral 11 can be adjusted to be slidable back and forth below the tabletop of the desk and tiltable with respect to the horizontal. As shown in FIG. 7, the patient model 10 is mounted on the front side and the back side of the training desk, and the training desk can be used from both the front side and the back side of the desk. Two apprentices can use the desk facing each other from both sides of the desk.

16 is a three-way syringe, a vacuum syringe, an air turbine handpiece attached to the shoulder of the fuselage model,
Instruments for dental care, such as micromotor handpieces, can be freely pulled out of the trunk model by the pulley storage method and stored in the shoulder part. 17 is a vacuum syringe holder, and 18 is a drawer for storing a handpiece. Reference numeral 19 denotes a storage room for storing the head model 12 detachably connected to the trunk model 11 when the head model 12 is removed from the trunk model. Numeral 20 denotes a vacuum mouse to and from which a technical suction device essential for a technical work for dental prosthesis is attached and detached. 2 is a technical micromotor, which is also essential for technical work. 23 is an air gun, and 24 is a film viewer for observing an X-ray photograph. 25 is a foot controller for a technician. 26 is an arm for attaching a medical treatment light, and 27 is a technical light. Reference numeral 28 denotes a mounting arm for a liquid crystal display panel for displaying operation procedures and the like. Reference numeral 29 denotes a control unit on the front side of the desk, which includes a group of switches 31, a main switch 32, a gas cock for a medical light, a technical light, and a film viewer.
33, an air cock 34, a spare outlet 35 and the like. Reference numeral 30 denotes a control unit on the rear side of the desk, which is provided with various switches, cocks and the like, similarly to the control unit 29 on the front side. 36 is a panel that separates the front side and the rear side of the desk.

FIG. 8 is a front view of another embodiment of the training desk according to the present invention. FIG. 6 shows that the dental care instrument 16 is attached to the front of the torso model 11 instead of the shoulder of the torso model 11. This is different from the embodiment. The reference numerals in the figure are the same as those in FIG.

In the dental training desk of the embodiment as described above, not only is the patient model capable of being switched between the supine position of the conservative treatment and the standing position of the prosthetic treatment, but also the instruments and prostheses required for the treatment of the conservative treatment, The equipment necessary for the technician work is equipped on the desk and is arranged very reasonably. Therefore, it is possible to perform both trainings for the conservative treatment and the prosthetic treatment with this dental training desk. In addition, the patient model attached to the training desk has a torso model so that it matches well with the practice of dental practice, but the torso model can be slid forward and backward under the top plate of the desk, and the head can be adjusted. The support that connects the model to the torso model is also detachable from the torso model, so it can be pulled out in front of the desk during medical practice using the patient model, and can be stored under the tabletop when not performing such medical practice. Also, the patient model does not become an obstacle when the training desk is used for other training, training, for example, practicing technical work.

FIG. 9 is a part of a front view showing details of a fuselage model attached to the desk so as to be slidable back and forth below the tabletop, and attached to the lower surface side of the tabletop 14 with screws 41. The rail 42 of the rail plate 40 is fitted with a box-shaped rail 43 provided on the side surface of the drawer 15, and supports the drawer 15 so as to be able to slide back and forth in the horizontal direction. 44 is a slide adjusting screw for fixing the drawer body 15 at a desired sliding position, screwed into a screw hole provided in the rail plate 40, and pressing the screw tip against the side surface of the drawer body 15, Alternatively, the leading end of the screw is fitted into a fitting hole provided in the side surface to fix the drawer 15 so as not to move. The torso model 11 is supported on the drawer 15 by a horizontal support shaft 45 so that the tilt can be adjusted. A tilt adjusting screw 46 fixes the torso model 11 at a desired tilt angle. The screw
46 is screwed with the screw hole of the drawer body 15, and its tip engages an arc-shaped curved groove 47 centered on a support shaft 45 provided on the side surface of the body model 11, as shown in the explanatory view of FIG. And torso model 11
The body model is fixed at a desired tilt angle by allowing the screw to tilt around 45 and tightening the screw to press the tip against the bottom surface of the groove 47. As the means for making the body model tilt-adjustable, various well-known tilt adjusting devices as described above can be used. Reference numeral 16 in FIG. 9 denotes an instrument such as a syringe mounted on the shoulder of the torso model.

(Effects and Effects of the Invention) The patient model for dental training provided on the dental training desk of the present invention has a support for connecting the head model to the torso model, which has a rotating part in the front-rear direction. Can be diverted to a conservative supine position and a prosthetic treatment standing position.
Therefore, the patient model equipped on the dental training desk of the present invention can be used for both training of conservative treatment and prosthetic treatment. When the support has a left-right rotation unit, the face of the head model can be rotated left-right according to the position of the trainee. When the head model is detachable from the support, an appropriate head model can be selected according to the purpose of the training, which is more advantageous for using the patient model for both conservative treatment and prosthetic treatment. In addition, the patient model for dental training in the dental training desk of the present invention also includes a torso model, so that training can be performed in a situation that is well matched to actual clinical practice, and the positions and postures of the surgeon and assistant can be adjusted. Training can also be performed effectively. Since the torso model is adjustable in tilt with respect to the horizontal, the torso model can also be switched between the horizontal position and the upright position. Or, practice that reflects clinical conditions better, such as adjusting the height of a head model that simulates raising and lowering a dental medical chair. As described above, this effect is obtained when the support is slidably adjustable with respect to the torso model, when the support is tiltable with respect to the torso model, and when the head model is tiltable with respect to the support. Is further enhanced when:

The dental training desk of the present invention has a torso model, a head model provided with the above patient model capable of turning between a supine position for conservative treatment and a standing position for prosthetic treatment, and a desk for conservative treatment and prosthetic treatment. The equipment necessary for medical practice training and the equipment necessary for practical training of prosthetic technics are equipped and rationally arranged. Can all be performed. Therefore, there is no need to separately provide a training desk for training in prosthetic treatment and a training desk for conservative treatment, as in the past. It is not necessary to provide them separately. Therefore, dental practice,
The floor space required for training can be greatly reduced. The training desk is equipped with patient models on the front and rear sides of the desk, respectively, and both front and rear sides are equipped with instruments and medical equipment such as instruments and micromotors for technicians. When the training can be performed from both the front and rear sides, the effect of the floor area saving described above is further increased. Further, in the present invention, since the torso model can be slid forward and backward under the top plate of the desk,
When the training using the patient model is not performed, the torso model can be stored under the tabletop of the desk, so that the patient model is not used when the training desk of the present invention is used in multiple ways as described above. No obstacles. This effect is further enhanced when the support connecting the head model to the body model is detachable from the body model.

[Brief description of the drawings]

FIG. 1 is a side view of an embodiment of a dental patient model equipped on a dental training desk according to the present invention. FIGS. 2 and 3 are cross-sectional views and essential parts of a tilt adjusting device constituting a front-rear rotating part. It is an exploded perspective view. FIG. 4 and FIG. 5 are a cross-sectional view of a rotation adjusting device constituting a direction left-right rotating unit and a plan view of a connecting portion at the tip of a second arm. FIG. 6 is a front view of the dental training desk of the present invention, FIG. 7 is a right side view thereof, and FIG.
The figure is a front view of another embodiment. FIG. 9 is a part of a front view showing details of a torso model slidably mounted below the tabletop, and FIG. 10 is an explanatory view of tilt adjustment of the torso model. (Explanation of symbols) 10 ... patient model, 1,11 ... torso model, 2,12 ... head model, 3,13 ... support, 3d ... front and rear rotating part, 3e ... left and right rotating Part, 14 ... top plate, 15 ... drawer, 16 ... instrument,
20… Vacuum mouse, 21… Technical micromotor, 24… Film viewer, 36… Partition panel.

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Michiaki Okano 680 Higashihamananamicho, Fushimi-ku, Kyoto, Kyoto Prefecture (72) Inventor Mikio Ogawa 680 Higashihamananamicho, Fushimi-ku, Kyoto, Kyoto Morita Manufacturing Co., Ltd. (56) References JP-A-59-109367 (JP, U) JP-A-58-69867 (JP, U) JP-B-50-9115 (JP, B2) JP-B-57-22197 (JP, Y2) ( 58) Field surveyed (Int.Cl. ⁶ , DB name) G09B 73/28

Claims (5)

(57) [Claims] 1. A patient model for dental training comprising a head model, a torso model, and a support body for connecting the head model to the torso model, wherein the torso model is slidably adjustable back and forth and with respect to a horizontal plane. A dental training desk which is mounted below a tabletop of a desk so as to be adjustable in inclination, and wherein the support has a front-rear rotating part capable of turning a head model into a supine position and a standing position. 2. The dental training desk according to claim 1, wherein the support also includes a left-right rotating part. 3. The dental training desk according to claim 1, wherein said head model is detachably connected to a body model. 4. The dental training desk according to claim 1, wherein an instrument for dental care is mounted on a shoulder of the torso model or on a front surface of the desk. 5. The desk is provided with the patient model for dental training on the front side and the rear side, respectively, so that the trainee can use the desk facing the front end and the rear end of the desk. The dental training desk according to 1.