JP5670640B2 - Human head model - Google Patents

Description

  The present invention relates to a human head model used in dental practice or the like.

2. Description of the Related Art Conventionally, in a dental medical education field, a dental practice has been performed in which cutting training or the like is performed on a tooth planted in a dentition occlusion model using a human head model.
As a human head model used for such dental training, etc., a head model body imitating a human head, a mask member imitating a facial part such as a human cheek, and a head What is provided with the dentition occlusion model provided in the model main body is known.
The part corresponding to the mouth of the mask member is an opening, and a handpiece or the like is inserted from the opening, and the tooth set in the dentition occlusion model is cut and the like in a state close to clinical. Can practice.
Examples of such a human head model include those disclosed in the following documents.

Japanese Utility Model Publication No. 6-3419 (Patent Document 1) discloses a model in which a face model and a dental occlusion model provided with a head model body and a mask member can be attached to and detached from each other.
Here, a face model fixedly supported by a support base is described. In Patent Document 1, if the operation lever is operated against the elasticity of the spring member, the face model is provided on the back surface of the face model. A structure is disclosed in which the locking state between the small diameter portion of the boss and the locking hole provided in the support base is released.

Registered Utility Model No. 3040834 (Patent Document 2) discloses a mask member that is detachably attached to the front surface of the head model body.
The upper peripheral edge of the back surface of the mask member described here is provided with a bendable locking convex piece. This Patent Document 2 locks into a locking hole formed in the human head model. A structure is disclosed in which the mask member can be attached to the front surface of the human head model by bending the distal end portion of the locking convex piece after the convex piece is inserted through.

No. 6-3419 Registered Utility Model No. 3040834

  By the way, the mask member formed by imitating the face part such as the cheek of the human body as described above is inevitably soiled or damaged when performing various training such as cutting training on the tooth, Therefore, the mask member is required to be easily replaced from the head model body. In addition, each trainee who conducts the training may wear a personally-owned mask member to perform the training, and a long-life one that is durable enough to withstand its use even if the mask member is frequently attached and detached is required. . Moreover, as a model for training, it is required to be easy to handle and manage, to be inexpensive, and to have a realistic appearance to some extent.

However, the one disclosed in Patent Document 1 can easily remove the entire face model including the head model body and the mask member from the support base by operating the operation lever. It is not easy to attach and detach the model body and the mask member.
Moreover, although the said patent document 1 describes that a head model main body and a mask member are detachably latched by a hook-shaped stopper etc., when removing and attaching a mask member, it is described. There is no disclosure of specific binding means or the like taking into account the load applied to the joint portion with the head model body.

  When the mask member is attached to the head model body, the one described in Patent Document 2 is inserted into the locking hole formed in the head model body, and the mask member is inserted. At least two actions are required for mounting the mask member “inserting” and “folding” such as folding the locking convex piece in the state. Therefore, a structure that can be easily attached and detached is required.

  The present invention has been made in view of the above, and an object thereof is to provide a human head model that is easy to manage, includes a mask member that is easy to attach and detach, is inexpensive, and has a realistic appearance. And

The present invention comprises a head model body imitating the head of a human body, and a soft elastic material that has an opening corresponding to the mouth portion and is imitated on the cheek of a human body and is joined to the head model main body. A human head model comprising a mask member, wherein the head model body and the mask member are detachably connectable to each other via a binding means, and the head model body of the mask member Is integrated with a reinforcing member made of a flexible material that is more rigid and shape-retaining than the soft elastic material, and the detachment of the mask member from the head model body is described above. The mask member is made to act by applying a force against the binding force of the binding means to the mask member, and the binding means includes a plurality of convex portions and concave portions provided at intervals, and the convex portions. Is detachable from the head model body. And wherein the are.
According to this configuration, the head model main body and the mask member can be detachably joined to each other via the binding means, and the separation of the mask member from the head model main body is caused by the binding force by the binding means. Since the resisting force is made to act on the mask member, the mask member can be attached and detached easily and quickly. For example, when performing masking training on teeth, if the mask member becomes dirty, damaged, or needs to be attached / detached / replaced, the mask member will exert a force against the binding force of the binding means. Since the mask member can be detached from the head model main body by one action of acting on the mask member, the mask member can be quickly replaced.
In addition, since the reinforcing member is integrated with the joint portion of the mask member with the head model body, and the joint portion of the mask member is reinforced with the reinforcing member, the force resisting the binding force by the binding means is masked. Even if it acts on the member, the mask member does not break.
Therefore, even if the mask member is frequently attached and detached, it can have a long life with durability that can endure its use.
In addition, since the joining of the mask member and the head model main body is realized by simple attachment means integrated with each of the mask member and the head model main body, for example, the mask member can be separately used with mounting parts. Compared with the form in which the head model body is joined to the head model body, there is no risk of losing parts for mounting, and the management of the human head model is easy.
Furthermore, although the mask member can be easily detached, the mask member can be easily detached during work such as cutting training on the teeth, for example, because a force against the binding force by the binding means cannot be applied to the mask member. Therefore, the work can be easily performed.

In the human head model of the present invention, the convex part may be screwed into the head model body to be detachable.
Further, in the human head model of the present invention, the outer diameter of the convex portion is slightly larger than the inner diameter of the concave portion, and any of the convex portions is elastically deformed by fitting the convex portion into the concave portion , The main body and the mask member may be joined.
According to this configuration, since the binding means has a simple configuration, it is easy to attach and detach, and can be manufactured at a lower cost than those configured by a complicated mechanism.

In the human head model of the present invention, the reinforcing member may be made of a thin plate-like resin material or metal material, and may be integrally formed with the joint portion of the mask member.
According to this configuration, since the reinforcing member is integrally formed with the mask member, the mask member and the reinforcing member can be firmly integrated, and the reinforcing member can be prevented from being easily removed from the mask member. be able to.

In the human head model of the present invention, a step portion corresponding to the thickness of the other may be formed in one of the joint portions of the mask member and the head model body.
According to this configuration, since the step portion corresponding to the thickness of the mask member or the head model body is formed, when the mask member is attached to the head model body, these joint portions are flush with each other without a step. Smooth surface. Therefore, the appearance of the entire human head model can be improved, and the user can perform dental training and the like with a realistic feeling close to the actual human head.

  According to the human head model of the present invention, it is possible to provide an easy-to-manage, inexpensive and realistic appearance equipped with a mask member that is easy to attach and detach and has durability.

It is a whole perspective view which shows 1st Embodiment of the human head model of this invention, and is a figure which shows the state which peeled partially the head member from the head model main body. It is a whole perspective view which shows a human body head model, and is a figure which shows the state by which the mask member is mounted | worn with the head model main body. It is a back top view of the mask member provided in a human body head model. It corresponds to a cross-sectional view taken along the line ZZ in FIG. 2, and (a) to (c) are diagrams for explaining a joint structure between the head model main body and the mask member. It is a figure which shows the modification of the embodiment, (a) And (b) is typical principal part sectional drawing for demonstrating the joining structure of a head model main body and a mask member. It is a front view which shows 2nd Embodiment of a human body head model, and is a typical front view which shows the state which made the mask member detach | leave from the head model main body. (A) And (b) is typical principal part sectional drawing for demonstrating the junction structure of the head model main body of 2nd Embodiment, and a mask member. It is a front view which shows 3rd Embodiment of a human body head model, and is a typical front view which shows the state which made the mask member detach | leave from the head model main body. (A) And (b) is typical principal part sectional drawing for demonstrating the junction structure of the head model main body and mask member of 3rd Embodiment. It is a front view which shows 4th Embodiment of a human body head model, and is a typical front view which shows the state which made the mask member detach | leave from the head model main body. (A) And (b) is typical principal part sectional drawing for demonstrating the junction structure of the head model main body of 4th Embodiment, and a mask member. It is a figure which shows the usage example of the human head model which concerns on this invention, and is an external appearance side view which shows an example of the dental training stand by which the human head model was employ | adopted.

Hereinafter, an embodiment of a human head model of the present invention will be described with reference to the drawings.
First, a first embodiment of the present invention will be described with reference to FIGS.
A human head model 1 shown in the present embodiment has a head model main body 2 that imitates the head of a human body, and an opening 3a that is formed to imitate the cheek of a human body and corresponds to the mouth portion. 2 and a mask member 3 made of a soft elastic material.
The head model body 2 and the mask member 3 can be detachably joined to each other via the binding means 7, and the joint portion of the mask member 3 with the head model body 2 is more than the soft elastic material. A reinforcing member 8 made of a flexible material having rigidity and shape retention is integrated.
The mask member 3 and the head model body 2 can be joined to each other via the binding means 7 by the mutual pressing and binding force. The mask member 3 can be detached from the head model body 2 by binding. This is made possible by applying a force against the binding force of the means 7 to the mask member 3.

The human head model 1 is formed to imitate the upper part of the human body from the neck, that is, the face and head, and as shown in FIGS. 1 and 2, the human head model 1 includes the head, eyes, and the like. The upper half of the head and the nose and the like is the head model main body 2, and the lower half of the cheek, mouth and jaws below the nose are constituted by the mask member 3. Here, the terms “upper” and “lower” are used as a concept in which the head side of the human body is up and the leg side is down (hereinafter the same).
The head model main body 2 is made of a hard resin material, and the example shown in the figure is a relatively fine model of the human head such as hair, eyebrows, eyelids, ear holes, etc. so as to be closer to the actual human head. However, the present invention is not limited to this, and a simplified head model body may be used.
The mask member 3 is made of a soft elastic material as described above, and is formed by appropriately molding, for example, rubber, a silicone rubber sheet, a silicone foam sheet (silicone sponge) or the like having a softness similar to that of the human skin, and a coloring process if necessary. Can be used.

Inside the head model main body 2, a dental occlusion model 4 having a jaw model (not shown) in which teeth 4a are planted, and an occlusal model attaching / detaching part (not shown) that allows the dental occlusion model 4 to be detachable. ) And are provided.
In addition, as shown in FIG. 1, you may make it attach to the outer periphery of the dentition occlusion model 4 the buccal mucosa-like cylinder part 5 imitating a buccal mucosa which can be used also as a water receptacle at the time of a dental training, for example. Moreover, you may enable it to switch in steps to a desired angle by rotating the knob part 6 which can adjust the inclination of the human head model 1.

Below the nose portion of the head model main body 2 is formed as a notch, and is joined so as to cover the upper peripheral edge of the mask member 3 so as to cover the portion. Yes.
Specifically, the head model main body 2 and the mask member 3 are detachably joined to each other via the binding means 7, and a part and ear that are located near the ear across the nose portion of the head model main body 2. An upper peripheral portion (hereinafter referred to as an upper peripheral portion) of the mask member 3 is joined to a portion extending from the vicinity toward the jaw direction of the human head model 1.
The binding means 7 includes a binding means 7a on the head model main body 2 side and a binding means 7b on the mask member 3 side. In this embodiment, the binding means 7 is a substantially cylindrical convex portion 70a. (Refer to the enlarged view of the portion X in FIG. 1) and a substantially cylindrical recess 70b (see an enlarged view of the portion Y in FIG. 1) formed corresponding to the convex portion 70a.
In addition, although the thing of the example of illustration shows the convex part 70a and the recessed part 70b which are circular shape in planar view, it is good not only in this but it may be elliptical shape in planar view.

The binding means 7 shown here can be called a hook type, and a plurality of substantially cylindrical convex portions 70a and a mask member provided at intervals along the front side peripheral portion of the head model main body 2. 3, a plurality of substantially cylindrical recesses 70 b provided at intervals along the peripheral edge of the back surface side.
The outer diameter R1 (see FIG. 4) of the convex portion 70a is slightly larger than the inner diameter R2 (see FIG. 4) of the concave portion 70b. By fitting the convex portion 70a into the concave portion 70b, the opening peripheral edge of the concave portion 70b is elastically deformed. Then, the head model body 2 and the mask member 3 are joined.
A stepped portion 2 a corresponding to the thickness of the joining portion forming a part of the mask member 3 is formed on the front side peripheral portion of the head model body 2 that is a joining portion with the mask member 3 of the head model body 2. ing.
The stepped portion 2a is provided with a plurality of substantially cylindrical convex portions 70a provided at appropriate intervals, and a screw head 70aa to be described later becomes a protruding portion corresponding to the convex portion 70a (see FIG. (See the enlarged view of part X in Fig. 1).
On the other hand, a concave portion 70 b into which the convex portion 70 a is fitted is provided at a joint portion of the mask member 3 with the head model body 2, that is, an upper peripheral portion on the back surface side of the mask member 3.
A reinforcing member 8 made of a flexible material that is more rigid and shape-retaining than the soft elastic material constituting the mask member 3 is integrated with the mask member 3 at the joint portion of the mask member 3 with the head model body 2. The reinforcing member 8 is formed with a communication hole 8a (see an enlarged view of the Y portion in FIG. 1) that serves as a fitting opening for the convex portion 70a.
In addition, the shape of the convex part and the concave part may be formed to be a shape such as a polygon or a cross in addition to this shape when seen in a plan view. It is also possible to combine different shapes. There is at least a concave portion corresponding to the position where the convex portion is formed, and at the junction between the convex portion and the concave portion, the outer diameter of the convex portion is slightly larger than the inner diameter of the concave portion, and at least one of the convex portion and the concave portion Any structure can be used as long as both can be joined by elastic deformation.

As the reinforcing member 8, any member may be used as long as it is made of a flexible material that is more rigid and shape-retaining than the soft elastic material. In other words, in terms of flexibility, the mask member 3 is more flexible and flexible than the reinforcing member 8, and in terms of rigidity, the reinforcing member 8 is more rigid and stronger than the mask member 3. It is required to be a material. For example, the reinforcing member 8 may be made of a resin material or a metal material made of thin plate-like polypropylene or the like.
The reinforcing member 8 may be integrated with the mask member 3 via an adhesive or the like. When the reinforcing member 8 is made of a resin material or a metal material as described above, the joint portion of the mask member 3 with the head model main body 2 is used. It is possible to form a single piece.
Since the reinforcing member 8 when the molded integrally by simultaneous molding on the connecting portion between the head model body 2 of the mask member 3 may be firmly integrated with the mask member 3 and the reinforcing member 8, the mask member 3 Therefore, it is possible to realize a configuration that can more reliably prevent the reinforcing member 8 from being easily removed.
Further, as described later, a part of the binding means such as a hook-and-loop fastener, a plate magnet, or a magnetic body can be used as the reinforcing member 8.

FIG. 3 is a plan view of the back side of the mask member 3. As shown here, the mask member 3 is formed in a substantially fan shape, and a substantially circular opening 3a is formed in an approximately central portion corresponding to the mouth.
The central part of the upper peripheral edge of the mask member 3 is a part joined to the lower nose part of the head model body 2, and the upper corners and side parts of the mask member 3 from both sides of the upper peripheral part of the mask member 3 excluding this part. A step portion 3b (see FIGS. 4B and 4C) corresponding to the thickness of the reinforcing member 8 is formed over the step portion 3b, and the reinforcing member 8 is provided integrally with the step portion 3b. It has been.
Then, a plurality of substantially cylindrical shapes are provided at an appropriate interval corresponding to the convex portion 70a formed on the head model main body 2 at the joint portion with the head model main body 2 at the upper peripheral edge on the back surface side of the mask member 3. The recess 70b is formed. The recess 70b includes a communication hole 8a formed in the reinforcing member 8 and a locking recess 70ba (FIGS. 4B and 4C) into which the protrusion 70a (see FIGS. 4A to 4C) is fitted. ))).
At this time, a slit portion (not shown) cut in the inner peripheral edge portion of the communication hole 8a of the reinforcing member 8 is provided in the diameter direction of the communication hole 8a so that the convex portion 70a is not easily removed. It may be a thing. According to this, the convex part 70a and the concave part 70b can be easily fitted / removed, and the attachment / detachment can be performed more easily and quickly.

Next, the joint structure between the head model main body 2 and the mask member 3 will be described in more detail with reference to FIGS.
As shown in FIG. 4A, the stepped portion 2a formed at the joint portion of the head model body 2 with the mask member 3 is provided with an insert nut 21 for screwing the convex portion 70a by the shaft portion 70ab. Yes. A plurality of the insert nuts 21 are provided at appropriate intervals corresponding to the positions where the convex portions 70a are formed, and are embedded integrally when the head model body 2 is molded. Reference numeral 20 in the drawing is an insertion hole of the insert nut 21 formed at that time.
The convex portion 70a includes a screw head 70aa that constitutes a screw as shown in the figure. The screw is made of a resin material, a metal material, or the like, and is screwed to the insert nut 21 and thus includes a shaft portion 70ab on which a male screw is formed.
The shape of the screw head 70aa is not limited to the example shown in the figure, but if it has a rounded shape that does not have a square shape as shown in the figure, it should be easy to fit / detach from the recess 70b. Can do. In addition to this shape, the screw head can be tapered so that it can be easily inserted into and removed from the recess. The shaft portion 70ab is screwed into the insert nut 21 fitted in the insertion hole 20, whereby the convex portion 70 a can be screwed into the insertion hole 20 via the insert nut 21.
According to this, the convex part 70a can be easily attached to the head model main body 2, and the convex part 70a cannot be easily detached from the insertion hole 20.
In addition, the fixation structure to the head model main body 2 of the convex part 70a is not limited to the above-mentioned example. Further, if a groove matching the shape of the driver is formed on the insertion direction front side of the shaft portion 70ab, the shaft portion 70ab screwed to the insert nut 21 can be easily removed with a screwdriver. In the case of this form, since the mask member 3 can be shared with a conventional human head model in which the mask member is fixed with screws, there is an advantage that versatility is high.
Further, the shaft portion 70ab may be configured such that the convex portion 70a press-fitted and fixed to the insertion hole 20 cannot be removed. At least when the mask member 3 is attached / detached, any configuration may be used as long as the convex portion 70a is not dropped / embedded.

As shown in FIG. 4B, the outer diameter R1 of the convex portion 70a is formed to be slightly larger (R1> R2) than the inner diameter R2 of the opening of the concave portion 70b, specifically, the inner diameter of the communication hole 8a. ing. Further, the inner diameter of the locking recess 70ba communicating with the communication hole 8a is also formed to be slightly larger than the inner diameter of the communication hole 8a.
Therefore, when the concave portion 70b is fitted into the convex portion 70a, the concave portion 70b on the mask member 3 side is elastically deformed, and thereafter, when the two are fitted together, the concave portion 70b has a restoring elasticity to return to the original shape, The inner wall surface of 70b acts to press the screw head 70aa of the convex portion 70a, and a strong joined state is obtained.
That is, by this, the joined state of the head model main body 2 and the mask member 3 is such that the mask member 3 cannot be detached unless a force against the binding force by the binding means 7 (7a, 7b) is applied to the mask member 3. Can do.
Further, as described above, the outer diameter of the convex portion 70a and the inner diameter of the locking concave portion 70ba are formed to be slightly larger than the inner diameter of the communication hole 8a.
Therefore, as shown in FIG. 4C, when the convex portion 70a is fitted into the locking concave portion 70ba, the inner peripheral edge portion of the communication hole 8a bites into the constricted portion at the boundary between the screw head portion 70aa and the shaft portion 70ab. The head model body 2 and the mask member 3 are more firmly joined with each other.
Thereby, for example, the mask member 3 is not easily detached during work such as cutting training on the tooth 4a (see FIGS. 1 and 2), and the work can be easily performed.
Moreover, since the joining structure of the head model main body 2 and the mask member 3 is a simple structure as described above, it can be manufactured at a lower cost than that constituted by a complicated mechanism.

Next, a procedure for attaching / detaching the mask member 3 to / from the head model body 2 will be described.
First, when the mask member 3 is mounted on the head model body 2, the mask member 3 is placed on the joint portion of the head model body 2, and the mask member 3 is placed on the front side peripheral portion of the head model body 2. The back side upper peripheral edge is put on top of each other. Then, the mask member 3 can be attached to the head model main body 2 if the binding means 7b on the mask member 3 side and the binding means 7a on the head model main body 2 side provided opposite to each other are connected. Can do. For example, both may be bound one after another from the vicinity of the nose, or both may be sequentially bound from the vicinity of the ear.
In this way, the binding means 7 (7a, 7b) can be joined with one action only by binding, for example, the binding means on the mask member 3 side as if the hook provided on the clothes is fastened. 7b (70b) can be pushed and fitted to the binding means 7a (70a) on the head model body 2 side.
Here, since the stepped portion 2a corresponding to the thickness of the mask member 3 is formed in the head model main body 2, as shown in FIG. can do. Further, since the binding means 7b (70b) on the mask member 3 side is provided on the back surface of the mask member 3, if the mask member 3 is attached to the head model body 2, the binding means 7 (7a, 7b) Invisible from the surface. Therefore, the appearance of the entire human head model 1 can be improved, and dental training or the like can be performed with a realistic feeling close to an actual human head.

On the other hand, when the attached mask member 3 is detached from the head model body 2, the mask resists the force against the binding force of the binding means 7 (7a, 7b) joined in reverse to the case of mounting. It acts on the member 3. That is, when a force is applied in the direction of separating the binding means 7 (7a, 7b) by holding one end of the mask member 3 (see FIG. 1), the joined state is released and the mask member 3 is moved to the head model body 2. Can be disengaged from.
At this time, the reinforcing member 8 is integrated with the joint portion of the mask member 3 with the head model body 2, and the joint portion of the mask member 3 is reinforced by the reinforcing member 8, so that the binding means 7 (7a 7b), the mask member 3 made of a soft elastic material is not broken even if a force against the binding force according to 7b) is applied to the mask member 3. Therefore, even if the mask member 3 is frequently attached and detached, it can have a long life with durability that can withstand its use.
As described above, since the mask member 3 can be easily attached to and detached from the head model main body 2, for example, when performing a cutting training on the tooth 4 a, the mask member 3 is soiled or damaged, and it is necessary to attach / detach / replace. In such a case, the mask member can be replaced quickly.

  In the present embodiment, the convex portion 70a is formed on the head model main body 2 side, and the concave portion 70b is formed on the mask member 3 side, thereby constituting the binding means 7. However, the present invention is not limited to this. A concave portion may be formed on the head model body 2 side, and a convex portion may be formed on the mask member 3 side. Further, here, an example has been described in which the concave portion 70b side is elastically deformed and fitted into the convex portion 70a. However, the present invention is not limited to this. For example, the screw head portion 70aa is made of an elastic member such as a rubber material, and the convex portion 70a side is It may be elastically deformed and fitted into the recess 70b. Alternatively, both the convex portion and the concave portion may be formed of a member that is elastically deformed, and at least one of the convex portion or the concave portion is elastically deformed, whereby the head model body 2 and the mask member 3 are firmly joined. Any configuration can be used as long as the state can be maintained and the mask member 3 can be detached by applying a certain force.

Next, a modification of the present embodiment will be described with reference to FIG.
Portions common to the above example are denoted by common reference numerals, and description of the common portions is omitted.
In the modification shown here, the configuration of the binding means 7 (7a, 7b) is the same, but the mask member 3 is attached to the head model body 2 when the mask member 3 is attached to the back side of the head model body 2. It differs from the above example in that it is mounted with the front side being overlaid.
Therefore, there is no step portion at the joint portion with the mask member 3 on the head model body 2 side, and in this example, a step portion 3c is formed at the joint portion with the head model body 2 on the mask member 3 side.
The step portion 3c is provided with a concave portion 70b into which the convex portion 70a is fitted, and the reinforcing member 8 is also integrally fixed, and a communication hole 8a communicating with the locking concave portion 70ba is formed.
Further, as shown in the figure, the insertion hole 20 formed in the head model main body 2 may be formed with a bottom so that the binding means 70a cannot be seen from the front side of the head model main body 2.

In this modification, when the mask member 3 is mounted on the head model main body 2, the upper peripheral edge on the front surface side of the mask member 3 is brought to the rear peripheral edge of the head model main body 2 (FIG. 5A). (See FIG. 5 (b)). The attachment means 7b (70b) on the mask member 3 side and the attachment means 7a (70a) on the head model body 2 side provided opposite to each other are attached together. .
Even in this configuration, for example, the binding means 7b (70b) on the mask member 3 side is directed to the binding means 7a (70a) on the head model main body 2 side as if the hook provided on the clothes is fastened. Both can be joined with a single action of pushing and fitting.
Also in this configuration, a step portion 3c corresponding to the thickness of the head model body 2 is formed on the mask member 3 side, and a surface having no step at the joint portion on the surface side as shown in FIG. A smooth surface can be obtained. Further, when the insertion hole 20 formed in the head model main body 2 is bottomed, the binding means 7 (7a, 7b) cannot be seen from the surface of the head model main body 2. Appearance can be improved, and dental training can be performed with a realistic feeling close to the actual human head.

Hereinafter, examples in which the structure of the binding means 7 is different from that of the first embodiment will be described as each embodiment.
Further, in the following, parts common to the first embodiment are denoted by common reference numerals, and description of common parts is omitted.
A second embodiment of the present invention will be described with reference to FIGS.
The binding means 7 includes a binding means 7a on the head model body 2 side and a binding means 7b on the mask member 3 side. In this embodiment, the binding means 7 is a convex member 71a, and this convex shape. It is comprised by the concave strip 71b formed corresponding to the member 71a.
The binding means 7 shown here can be called a chuck type, and is composed of a convex member 71a and a concave strip 71b, and the width dimension R3 of the convex member 71a is larger than the opening width dimension R4 of the concave strip 71b. Then, when the convex member 71a is pushed into the concave stripe 71b, the concave stripe 71b is elastically deformed, and the head model body 2 and the mask member 3 are joined.

There is a step between a joint portion of the front surface side peripheral portion of the head model main body 2 with the mask member 3, that is, a portion extending from the small nose portion to the vicinity of the ear across the nose portion and a portion extending downward from the vicinity of the ear. Part 2a is formed. The stepped portion 2a is provided with a rail-like convex member 71a on the fixed body.
The shape of the convex member 71a and the concave strip 71b is formed corresponding to each other. When the convex member 71a is pushed into the concave strip 71b, the concave strip 71b is elastically deformed, and the head model body 2 and the mask member 3 are formed. Any configuration is possible as long as the shapes are joined.
The convex member 71a provided on the head model main body 2 side shown in FIG. 6 and FIG. 7 (a) and FIG. 7 (b) has a protruding portion 71aa protruding in the width direction and a concave shape for strengthening the joined state. And a base 71ac forming a flat surface integrated with the head model main body 2.
The convex member 71a may be formed continuously in a rail shape as shown in FIG. 6, or a plurality of convex members 71a may be provided at appropriate intervals in a discontinuous manner. When a plurality of convex members 71a are provided, the shape of the convex member 71a may be a substantially cylindrical shape including a cylindrical shape or a substantially rectangular parallelepiped shape including a rectangular parallelepiped shape.
In addition, although the example which made the head model main body 2 and the convex-shaped member 71a separate was demonstrated here, it is not limited to this, The convex-shaped member 71a was integrally shape | molded by the head model main body 2 ( It is good also as a head model main body which has a convex part.

A step portion 3b corresponding to the thickness of the reinforcing member 8 is formed at a joint portion of the one mask member 3 with the head model main body 2, and the reinforcing member 8 is fixedly integrated with the step portion 3b. ing.
Then, at the joint portion of the mask member 3 with the head model main body 2 at the upper peripheral edge on the back surface side, a concave strip 71b is formed corresponding to the convex member 71a formed on the head model main body 2. A series of rails are formed along the joint portion.
As shown in FIG. 7, the recess 71b includes a communication opening 8b formed in the reinforcing member 8, and a locking recess 71ba into which the protrusion 71aa of the convex member 71a is fitted.
7 shows an example in which the groove 71b is formed on the reinforcing member 8, but the present invention is not limited to this. For example, the reinforcing member 8 and the mask member 3 are straddled as in the embodiment of FIG. It is good also as what was formed, and it is good also as what formed the groove 71b in the mask member 3, and formed the reinforcement member 8 around the formed groove 71b.

Next, the joint structure between the head model body 2 and the mask member 3 will be described in more detail with reference to FIGS. 7 (a) and 7 (b).
As shown in FIG. 7 (a), a stepped portion 2a formed at the joint portion of the head model body 2 with the mask member 3 is provided with a convex member 71a, and the width dimension R3 of the convex member 71a is as follows. It is formed so as to be larger (R3> R4) than the opening width dimension R4 of the recess 71b, specifically, the opening width dimension of the communication opening 8b. Further, the opening width dimension of the locking recess portion 71ba communicating with the communication opening 8b is also set to be larger than the opening width dimension of the communication opening 8b.
Therefore, when the convex member 71a is fitted into the concave stripe 71b, the opening edge of the concave stripe 71b on the mask member 3 side, that is, the edge of the communication opening 8b is elastically deformed, and then when the two are fitted together, the concave is formed. Restoring elasticity which tries to return to the original shape works on the strip 71b, and the inner wall surface of the concave strip 71b acts so as to press the side portion of the convex member 71a, resulting in a strong joined state.
That is, by this, the joined state of the head model main body 2 and the mask member 3 is set to a state in which the head model body 2 and the mask member 3 cannot be detached unless a force against the binding force by the binding means 7 (71a, 71b) is applied to the mask member 3. Can do.
Further, as described above, the width dimension of the convex member 71a and the opening width dimension of the locking recess portion 71ba are formed to be larger than the opening width dimension of the communication opening 8b.
Therefore, as shown in FIG. 7B, the connection opening 8b is engaged with the constricted portion 71ab constituting the convex member 71a so that the joint relationship between the head model body 2 and the mask member 3 is stronger. It will be a thing.

Next, a procedure for attaching / detaching the mask member 3 to / from the head model body 2 will be described.
First, when the mask member 3 is mounted on the head model body 2, the mask member 3 is placed on the joint portion of the head model body 2, and the back side of the mask member 3 is placed on the front side of the head model body 2. Make it superposed. Then, the binding means 7b (71b) on the mask member 3 side and the binding means 7a (71a) on the head model main body 2 side, which are provided facing each other, are bound so that the finger is pressed from the end. By doing so, the mask member 3 can be attached to the head model body 2.
In this way, the two can be joined with a single action to bind them together. For example, the binding means 7b (71b) on the mask member 3 side is attached to the head as if the opening / closing portion of the food storage bag is fastened. It can be pushed in and fitted into the binding means 7a (71a) on the part model main body 2 side.
On the other hand, when the attached mask member 3 is detached from the head model body 2, the mask resists the force against the binding force of the binding means 7 (7a, 7b) joined in reverse to the case of mounting. What is necessary is just to act on the member 3, and the mask member 3 can be made to detach | leave from the head model main body 2 in the same way as 1st Embodiment.
In the present embodiment, the convex member 71a is formed on the head model main body 2 side, and the concave strip 71b is formed on the mask member 3 side, thereby constituting the binding means 7. However, the present invention is limited to this. Alternatively, a concave line may be formed on the head model body 2 side, and a convex member may be formed on the mask member 3 side. Further, here, an example has been described in which the concave strip 71b side is elastically deformed and fitted into the convex member 71a, but the present invention is not limited thereto, and the convex member 71a side is elastically deformed and fitted into the concave strip 71b. Also good. Alternatively, both the convex member and the concave stripe may be constituted by a member that is elastically deformed, and at least one of the convex member or the concave stripe is elastically deformed, whereby the head model body 2 and the mask member 3 are formed. In other words, the mask member 3 may be detached if it is possible to maintain a strong bonding state and to apply a force of a certain level or more.

A third embodiment of the present invention will be described with reference to FIGS.
The binding means 7 includes a binding means 7a on the head model main body 2 side and a binding means 7b on the mask member 3 side. In this embodiment, the binding means 7 is constituted by a pair of fastener members 72a and 72b. It is configured.
The binding means 7 shown here can be called a hook-and-loop fastener type that can be pasted or peeled off again and again, and the head model main body 2 and the mask are formed by a pair of fastener members 72a and 72b. The member 3 is joined. In the illustrated example, a fastener member 72a raised in a hook shape is provided on the head model body 2 side, and a fastener member 72b raised in a loop shape (pile shape) is provided on the mask member 3 side. The embodiment may be reversed, and the pair of fastener members 72a and 72b may be a general hook-and-loop type such as a hook-shaped or loop-shaped type, or a hook-shaped one. .

  A joint portion with the mask member 3 on the front side peripheral portion of the head model main body 2, that is, a portion from the nose portion toward the vicinity of the ear across the nose portion of the head model main body 2, and downward from the vicinity of the ear A stepped portion 2a is formed at the extending portion. The stepped portion 2a is provided with a band-like fastener member 72a that is fixed and integrated with an adhesive or the like, and the stepped portion 2a is a mask member 3 including the thickness of the joined state of the pair of fastener members 72a and 72b. It is formed in the level | step difference equivalent to the part for thickness. According to this, when the mask member 3 is joined to the head model main body 2, it is possible to provide a smooth surface with no step at the joint portion on the surface side of the mask member 3 and the head model main body 3. .

The joint portion of the back surface side peripheral portion of one mask member 3 with the head model main body 2 is provided with an adhesive or the like corresponding to the fastener member 72a provided on the head model main body 2, or the fastener member 72a. A fastener member 72b is fixedly integrated with the mask member 3 by embedding a part thereof (such as a portion where the raised portion is planted).
On the mask member 3 side, as shown in the first embodiment and the second embodiment, the reinforcing member 8 may be integrally formed on the stepped portion, but as shown here, it is provided on the mask member 3 side. The fastener member 72b may function as the reinforcing member 8.

Next, with reference to FIG. 9A and FIG. 9B, the joining structure and attachment / detachment procedure of the head model main body 2 and the mask member 3 will be described in more detail.
First, when attaching the mask member 3 to the head model body 2, the mask member 3 is placed on the joint portion of the head model body 2, and the back side of the mask member 3 is superimposed on the front side of the head model body 2. To be in a state to be. Then, the binding means 7b (72b) on the mask member 3 side and the binding means 7a (72a) on the head model main body 2 side, which are provided facing each other, are pressed and bonded by pressing a finger from the end. To go. Then, the hooked and looped hairs are entangled and meshed with each other, and can be joined with one action only for binding them together.
On the other hand, when the attached mask member 3 is detached from the head model body 2, the mask resists the force against the binding force of the binding means 7 (7a, 7b) joined in reverse to the case of mounting. What is necessary is just to act on the member 3, and the mask member 3 can be made to detach | leave from the head model main body 2 in the same way as 1st Embodiment.

A fourth embodiment of the present invention will be described with reference to FIGS.
The binding means 7 includes a binding means 7a on the head model main body 2 side and a binding means 7b on the mask member 3 side. In this embodiment, the binding means 7 includes a magnet 73a and a magnetic body 73b. Has been.
The binding means 7 shown here can be called a magnet type that can be attached and pulled apart by a magnetic force many times. The head model is composed of a magnet 73a and a magnetic body 73b that sticks to the magnet 73a. The main body 2 and the mask member 3 are joined. In the illustrated example, a magnet is provided on the head model body 2 side and a magnetic body is provided on the mask member 3 side, but the reverse may be possible. The magnet 73a is preferably a thin plate body, and is produced, for example, by mixing magnetic powder into a synthetic resin material or rubber material to form a sheet, and magnetizing the N pole and S pole on the front and back surfaces thereof. Can be used. Similarly, the magnetic body 73b is preferably a thin plate body, and iron, stainless steel, a sheet containing these magnetic powders, and the like can be used.

A joint portion with the mask member 3 on the front side peripheral portion of the head model main body 2, that is, a portion from the nose portion toward the vicinity of the ear across the nose of the head model main body 2, and extends downward from the vicinity of the ear. A step 2a is formed at the site. The stepped portion 2a is provided with a magnet 73a, and the stepped portion 2a is formed in a step corresponding to the thickness of the mask member 3 including the thickness of the bonded state of the magnet 73a and the magnetic body 73b.
According to this, when the mask member 3 is joined to the head model main body 2, it is possible to provide a smooth surface with no step at the joint portion on the surface side of the mask member 3 and the head model main body 3. .

A magnetic body 73 b is provided at a joint portion of the upper peripheral edge on the back side of one mask member 3 with the head model body 2 corresponding to the magnet 73 a provided on the head model body 2.
On the mask member 3 side, as shown in the first embodiment and the second embodiment, the reinforcing member 8 may be integrally formed on the stepped portion, but as shown here, it is provided on the mask member 3 side. You may comprise so that the magnetic body 73b may function as the reinforcement member 8. FIG.

Next, with reference to FIG. 10A and FIG. 10B, the joining structure and attachment / detachment procedure between the head model main body 2 and the mask member 3 will be described in more detail.
First, when attaching the mask member 3 to the head model body 2, the mask member 3 is placed on the joint portion of the head model body 2, and the back side of the mask member 3 is superimposed on the front side of the head model body 2. Both can be bound by magnetic force in the state of being applied.
On the other hand, when the attached mask member 3 is detached from the head model body 2, the mask resists the force against the binding force of the binding means 7 (7a, 7b) joined in reverse to the case of mounting. What is necessary is just to act on the member 3, and the mask member 3 can be made to detach | leave from the head model main body 2 in the same way as 1st Embodiment.

Next, FIG. 12 shows a dental training table 10 in which the human head model 1 of each embodiment described so far is employed. As shown here, the human head model 1 can be attached to a trunk model 11 attached to a training desk 12 for dental practice using a knob portion 6 so that the position can be adjusted. The dental training table 10 includes medical equipment (not shown), technical equipment, various controllers, an illumination lamp 13, and the like, and can perform both dental medical practice and dental technical training.
Here, although the dental training table 10 in which the training desk 12 of the same structure was provided facing was shown, it is not limited to this form. In addition, the human head model 1 of this embodiment is a dental training apparatus (not shown) for clinical education in which a torso model imitating a patient's torso is installed on a medical table used in an actual dental clinic or the like. The present invention can also be applied to a device that is attached to a table using a metal fitting (not shown).

  In addition, the binding means of the present invention is not limited to the above-described example, and it is needless to say that other configurations can be adopted as long as they have the same function. It may be configured by coating, or a linear member such as a wire may be used as the reinforcing member 8 of the mask member 3. In the second embodiment to the fourth embodiment, an example in which the front side of the mask member 3 is overlaid on the back side of the head model main body 2 shown in FIG. 5 can be applied. Needless to say, it is desirable that a stepped portion 3c is formed on the mask member 3 side as shown in FIG. Furthermore, although each embodiment demonstrated the attachment / detachment procedure of the head model main body 2 and the mask member 3, it cannot be overemphasized that it is not limited to these installation / removal procedures.

DESCRIPTION OF SYMBOLS 1 Human body model 2 Head model main body 2a Step part 3 Mask member 3c Step part 7 Binding means 70a Convex part 70b Concave part 71a Convex member 71b Concave strip 72a Fastener member 72b Fastener member 73a Magnet 73b Magnetic body 8 Reinforcement member

Claims (5)

A head model body imitating the head of a human body, and a mask member made of a soft elastic material having an opening corresponding to the mouth portion and imitating the cheek of the human body and joined to the head model main body A human head model equipped with,
The head model body and the mask member can be detachably joined to each other via a binding means, and the joint portion of the mask member with the head model body is more rigid than the soft elastic material. In addition, a reinforcing member made of a flexible material having shape retention is integrated, and the mask member is detached from the head model body by applying a force against the binding force by the binding means. It is possible by acting on,
The binding means is composed of a plurality of convex portions and concave portions provided at intervals,
The convex portion is human head model, wherein Rukoto is detachable from the head model body. In the human head model according to claim 1,
The convex portion is human head model, wherein Rukoto is detachably being screwed into the head model body. In the human head model according to claim 1 or 2 ,
The outer diameter of the convex portion is slightly larger than the inner diameter of the concave portion, and one of the convex portions is elastically deformed by fitting the convex portion into the concave portion, and the head model body and the mask member are joined. A human head model characterized by that. In the human head model according to any one of claims 1 to 3 ,
The human head model , wherein the reinforcing member is made of a thin plate-like resin material or metal material, and is integrally formed with the joint portion of the mask member . In the human head model according to any one of claims 1 to 4 ,
A human head model, wherein a step portion corresponding to the thickness of the other is formed in any one of the joint portions of the mask member and the head model main body .

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