Lump palpation model

Abstract

To provide a lump palpation model which allows a user to experience the simulated sensation of breast cancer lumps by gently pressing and stroking the model with fingers, and which can be handily used while taking a bath, etc.SOLUTION: A lump palpation model 1 for allowing a user to experience the simulated feel of lumps present inside a body through tactile sensation is provided, the lump palpation model comprising a main body 2 having a mounting surface 21 for mounting the model and a touching surface 20 to be touched for a simulated experience, and simulated lumps 3 simulating lumps embedded in the main body 2, and being configured to float on water. The mounting surface 21 has an adhesive surface that can be adhered to a wall or the like.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a lump tactile model that allows a user to simulate the experience of a lump inside the body, such as a breast, through tactile sensation. [Background technology]

[0002] Breast cancer is a common disease that affects one in nine Japanese women, but it can be detected by touching one's own breasts, and if detected early, 90 percent of cases can be cured. However, ordinary women without medical knowledge do not know what a breast cancer lump feels like, and it is difficult to detect small early-stage breast cancers even when they feel their breasts.

[0003] The breast pad described in Patent Document 1 is made of a soft resin such as medical silicone rubber, and has a pad body with a convex curved surface that mimics the shape of a breast, a flange portion that extends outward from the lower part of the periphery of the pad body, and a convex stopper that protrudes from the surface of the flange portion in the same direction as the convex curved surface of the pad body and is used to fit the lower edge of a brassiere cup between the outer periphery of the pad body, and can be used as a breast model for breast cancer palpation.

[0004] Breast pads such as those described in Patent Document 1 do not have any artificial lumps inside them that resemble lumps, so it is difficult to imagine a breast cancer lump when touching them.

[0005] There is also a known breast model that is similar in shape and softness to an adult woman's breast, has a simulated lump embedded inside, and allows users to feel the sensation of a breast cancer lump by pressing it with their finger. These breast models are made of silicone rubber, which is expensive and heavy, making them unsuitable for easy use in everyday life. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Patent No. 6872253 Summary of the Invention [Problem to be solved by the invention]

[0007] The present invention has been made in view of the above-mentioned problems, and aims to provide a lump tactile model that allows users to experience the feel of a breast cancer lump by gently pressing and stroking it with their fingers, and that can be easily used, particularly when taking a bath. [Means for solving the problem]

[0008] The invention of claim 1 is a lump tactile model that simulates the experience of a lump present inside the body through touch, comprising a main body having a placement surface on which the model is placed and a touchable surface that is touched for the simulated experience, and a pseudo-lump portion that simulates a lump embedded in the main body, and is characterized in that the lump tactile model floats on water, and the placement surface has an adhesive surface.

[0009] The invention of claim 2 is a lump tactile model that simulates the experience of a lump present inside the body through touch, comprising a main body having a surface on which it is placed and a touchable surface that is touched for the simulated experience, and a simulated lump portion embedded in the main body that simulates a lump, and is characterized by being able to float on water.

[0010] The invention of claim 3 is a lump tactile model that simulates the experience of a lump present inside the body through touch, comprising a main body having a placement surface on which the body is placed and a touchable surface that is touched for the simulated experience, and a simulated lump portion that simulates a lump embedded in the main body, wherein the placement surface has an adhesive surface.

[0011] The invention of claim 4 is a lump tactile model described in any one of claims 1 to 3, characterized in that the artificial lump portions are embedded in multiple locations in the main body, each embedded at a different depth from the touchable surface.

[0012] The invention of claim 5 is a lump tactile model described in any one of claims 1 to 3, characterized in that the main body is divided into a plurality of blocks, and at least one of the plurality of blocks does not have the pseudo lump portion embedded therein, and the other blocks have the pseudo lump portion embedded therein.

[0013] The invention according to claim 6 is the lump tactile model according to any one of claims 1 to 3, characterized in that the touched surface is flat.

[0014] The invention according to claim 7 is the lump tactile model according to any one of claims 1 to 3, characterized in that the placement surface has an opening, and the opening reaches the pseudo lump portion.

[0015] The invention of claim 8 is a lump tactile model described in any one of claims 1 to 3, characterized in that a plurality of protrusions are formed on the surface of the pseudo lump portion facing the touched surface.

[0016] The invention of claim 9 is a lump tactile model according to any one of claims 1 to 3, characterized in that the outer peripheral surface of the pseudo lump portion is formed with a protrusion that runs in a direction that intersects with the contact surface and the placement surface. [Effects of the Invention]

[0017] The lump tactile model of the present invention has a simulated lump part imbedded in a body having a touchable surface, so that by gently pressing and stroking the touchable surface with a finger, it is possible to simulate the tactile sensation of a lump present inside the body.

[0018] The lump tactile model of the present invention floats on water, so by leaving it floating in the bathtub it is easy to see and pick up, and it is possible to easily compare the feel of the simulated lump with the feel of the surface of one's own body while bathing, allowing one to self-check for the presence or absence of lumps on a daily basis.

[0019] The lump tactile model of the present invention can be attached by attaching the adhesive surface on the mounting surface to the surface of a wall or mirror in a dressing room or bathroom, eliminating storage space and making it easy to handle.With the lump tactile model attached to the surface of a wall or mirror, the user can lightly press and stroke the touchable surface of the main body with the fingers of one hand while lightly pressing and stroking the surface of their own body with the fingers of the other hand, allowing them to easily perform a self-check while comparing to see if there are any lumps inside the body.Furthermore, if the lump tactile model is placed in a conspicuous location, it is less likely to forget to perform a self-check.

[0020] In addition, multiple artificial lumps are embedded in the main body at different depths from the surface to be touched, allowing users to experience the sensation of lumps occurring at various depths inside the body.

[0021] In addition, if at least one of the multiple blocks of the main body does not have a pseudo lump portion embedded in it and the other blocks do, it is possible to feel the difference in sensation between the area with a lump and the area without a lump.

[0022] In addition, if the surface to be touched is flat, it is easy to slide your finger over it, and if multiple pseudo-lumps are embedded, you can experience the difference in the feel of lumps that occur in different locations.

[0023] In addition, if an opening is provided on the placement surface that reaches the pseudo-lump portion, the suction cup effect of the opening makes it easier to attach to a wall or mirror in a bathroom, changing room, etc. and place it there.

[0024] In addition, by forming multiple protrusions on the surface of the pseudo-lump facing the touch surface, it is possible to simulate the tactile sensation of a lump such as a tumor.

[0025] In addition, if a protrusion is formed on the outer circumferential surface of the pseudo-lump portion along a direction intersecting the contact surface and the placement surface, the pseudo-lump portion will be less likely to rotate or move even when embedded inside the soft main body. [Brief explanation of the drawings]

[0026] [Figure 1]FIG. 1 is a perspective view of a lump tactile model showing a first embodiment. [Figure 2] FIG. 1 is a longitudinal sectional view of a lump tactile model showing a first embodiment. [Figure 3] FIG. 1 is a cross-sectional view of a lump tactile model showing the first embodiment. [Figure 4] FIG. 2 is a perspective view of a pseudo lump portion according to the first embodiment. [Figure 5] FIG. 2 is a perspective view of a pseudo lump portion according to the first embodiment. [Figure 6] FIG. 2 is a perspective view of a pseudo lump portion according to the first embodiment. [Figure 7] 1A to 1C are explanatory diagrams illustrating the manufacturing stages of the lump tactile model according to the first embodiment. [Figure 8] 1A to 1C are explanatory diagrams illustrating the manufacturing stages of the lump tactile model according to the first embodiment. [Figure 9] 1A to 1C are explanatory diagrams illustrating the manufacturing stages of the lump tactile model according to the first embodiment. [Figure 10] 1A to 1C are explanatory diagrams illustrating the manufacturing stages of the lump tactile model according to the first embodiment. [Figure 11] 1A to 1C are explanatory diagrams illustrating the manufacturing stages of the lump tactile model according to the first embodiment. [Figure 12] 10A to 10C are explanatory diagrams illustrating the manufacturing stages of a lump tactile model according to the second embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0027] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the present invention is not limited to the embodiments described below.

[0028] [First embodiment] A first embodiment of the present invention will be described with reference to FIGS.

[0029] FIG. 1 is a perspective view of the lump tactile model, FIG. 2 is a longitudinal cross-sectional view of the lump tactile model, FIG. 3 is a transverse cross-sectional view of the lump tactile model, FIGS. 4 to 6 are perspective views of a pseudo lump portion according to the embodiment, and FIGS. 7 to 11 are explanatory diagrams of the manufacturing stages of the lump tactile model according to the embodiment.

[0030] FIG. 2 is a longitudinal cross-sectional view that schematically shows a cross section passing through pseudo lump portions 3b, 3c, and 3a in this order.

[0031] As shown in Figures 1 to 3, in this embodiment, the lump tactile model 1 is used to simulate the experience of a lump present inside the body (for example, breast cancer present in the breast) through touch, and comprises a main body 2 that mimics the feel of a human body (for example, a breast) and multiple (three in this embodiment) artificial lump portions 3 embedded in the main body 2.

[0032] The main body 2 is an elliptical cylinder with a cross section of 80 mm in major axis and 50 mm in minor axis, and a thickness of 20 mm, and is of a shape and size that is not bulky and easy to hold and handle in the hand.

[0033] The color of the main body 2 is a warm color that is relatively close to the color of the human body, such as opaque pink or pale orange.

[0034] The main body 2 is an elastic body made of thermoplastic polyurethane (TPU), and its hardness is, for example, about 10° to 15° according to the JIS standard "JIS K 6253-3," which is similar in softness to that of a breast.

[0035] The specific gravity of the main body 2 is smaller than that of water, and is set to a weight such that the lump tactile model 1 floats on water even when it includes the pseudo lump portion 3.

[0036] The main body 2 has a touchable surface 20 that can be touched to simulate the experience of a lump present inside the body, and a placing surface 21 on which the device is placed.

[0037] Specifically, one oval surface of the main body 2 constitutes the touchable surface 20 that can be touched with the fingers to simulate the sensation of a lump present inside the body, and the other surface opposite the touchable surface 20 constitutes the placement surface 21 for placing on the surface of furniture, a wall, a mirror, etc.

[0038] The contact surface 20 is formed as a mirror surface by molding the cavity surface of a mold that has been mirror-finished by buffing, and is a smooth plane that is easy to slide a finger over, like human skin.

[0039] The mounting surface 21 is formed as a mirror surface by the cavity surface of a mold that has been mirror-finished by buffing, and serves as a smooth, flat, adsorption surface that easily adheres to the surface of a mirror or the like.

[0040] The artificial lump portion 3 is modeled after a breast cancer lump and is an elastic body made of silicone. Its hardness is, for example, about 40° according to the JIS standard "JIS K 6253-3," and is formed to be harder than the main body 2.

[0041] As shown in FIGS. 4 to 6, each of the three pseudo lump portions 3 (3a, 3b, 3c) has a cylindrical shape.

[0042] The three pseudo-lump portions 3 (3a, 3b, 3c) each comprise a cylindrical body 30 whose central axis is aligned in the thickness direction of the main body 2, a plurality of hemispherical protrusions 31 formed on the surface of the cylindrical body 30 facing the contact surface 20, and a plurality of ridges 32 formed to protrude from the outer peripheral surface of the cylindrical body 30.

[0043] The protrusions 32 are cylindrical and are formed at equal intervals around the circumference of the cylinder 30 over the entire height direction, with the tip on the contact surface 20 side projecting hemispherically from the surface of the cylinder 30 facing the contact surface 20 side. The protrusions 32 may be formed so that a portion of them protrudes from the outer circumferential surface of the cylindrical body 30 .

[0044] The three pseudo lump portions 3 (3a, 3b, 3c) are formed to have different heights and outer diameters. In this embodiment, the height of pseudo lump portion 3a is 12 mm and the outer diameter is 16 mm, the height of pseudo lump portion 3b is 8 mm and the outer diameter is 10.5 mm, and the height of pseudo lump portion 3c is 16 mm and the outer diameter is the same 10.5 mm as pseudo lump portion 3b.

[0045] The protrusions 31 are hemispherical with a diameter of about 1 mm, and the number formed is adjusted according to the diameter of the cylindrical body 30. In this embodiment, eight protrusions 31 are formed around one pseudo lump in the circumferential direction around the center in pseudo lump 3a (Fig. 4), four protrusions 31 are formed around one pseudo lump in the circumferential direction around the center in pseudo lump 3b (Fig. 5), and four protrusions 31 are formed around one pseudo lump in the circumferential direction around the center in pseudo lump 3c (Fig. 6).

[0046] The ridges 32 are cylindrical with a diameter of about 1 mm, and the number formed is adjusted according to the diameter of the cylindrical body 30. In this embodiment, eight pseudo lump portions 3a, 3b, and 3c are formed (FIGS. 4 to 6).

[0047] The outer diameter of the pseudo lump portion 3 is set in the range of about 10 mm to 20 mm, and the outer diameters of the three pseudo lump portions 3 (3a, 3b, 3c) may be the same or different.

[0048] A pin insertion hole 33 is formed along the central axis from the bottom surface of the cylindrical body 30 of the pseudo lump portion 3 (FIG. 9).

[0049] As shown in Figure 3, the main body 2 is divided into four blocks (four blocks separated by 90 degrees from the center point of the ellipse of the main body 2) by the major and minor axes which are perpendicular to each other, and pseudo lump portion 3a, pseudo lump portion 3b, and pseudo lump portion 3c are embedded in three blocks, respectively, and pseudo lump portion 3 is not embedded in the remaining block.

[0050] The method for setting the range of blocks in which pseudo lump portions 3 are not embedded is not limited to the above method. It can be set assuming an area of ​​at least the pad of a finger pressing lightly. In other words, if pseudo lump portions 3 are not provided in an area of ​​the touchable surface 20 of the main body 2 that is at least equal to the area of ​​the pad of a finger pressing lightly, that area is a block in which pseudo lump portions are not embedded.

[0051] As shown in FIG. 2, the pseudo lump portion 3 is embedded in the main body 2 with its bottom surface floating about 2 mm above the mounting surface 21 .

[0052] Since the three pseudo lump portions 3 (3a, 3b, 3c) have different heights, if they are embedded in the main body 2 so that the heights of their bottom surfaces are the same, they will be embedded at different depths from the contact surface 20.

[0053] The mounting surface 21 of the main body 2 is formed with openings 210 that reach the bottom surfaces of the pseudo lump portions 3a, 3b, and 3c.

[0054] The lump tactile model 1 is manufactured as follows. The pseudo-lump portions 3a, 3b, and 3c are molded in advance using a mold.

[0055] As shown in FIG. 7, inside the lower mold A, three pins B are provided upright on the bottom surface at positions where the pseudo lump portions 3a, 3b, and 3c are to be embedded. The cavity surface for forming the mounting surface 21 of the lower mold A is mirror-finished by buffing.

[0056] Next, as shown in FIG. 8, a spacer C having a through hole with a height of about 2 mm through which the pin B passes is provided at the lower end of the pin B so as to come into contact with the bottom surface of the lower mold A. In this embodiment, the three spacers C have the same height, but may have different heights.

[0057] Next, as shown in Figure 9, three pins B standing up from the bottom surface of the lower mold A are fitted into the pin insertion holes 33 of the pseudo lump portions 3a, 3b, and 3c, and the bottom surfaces of the pseudo lump portions 3a, 3b, and 3c are abutted against the upper surface of the spacer C.

[0058] Next, as shown in Fig. 10, the upper mold D is placed on top of the lower mold A, and the lower mold A and the upper mold D are fixed together. A space corresponding to the shape of the main body 2 is formed between the lower mold A and the upper mold D. The cavity surface of the upper mold D that forms the contact surface 20 is mirror-finished by buffing.

[0059] Next, as shown in FIG. 11, thermoplastic polyurethane resin that will become the main body 2 is poured into the space between the lower mold A and the upper mold D and hardened while being adhered to the surfaces of the pseudo-lump portions 3a, 3b, and 3c.

[0060] After the thermoplastic polyurethane resin has hardened, the lower mold A and upper mold D are disassembled and the molded product is removed. The contact surface 20 and the placement surface 21 of the body 2 of the removed molded product are mirror-finished because they are molded on the cavity surface of the mold which has been mirror-finished by buffing.

[0061] A lump tactile model 1 is formed with artificial lump portions 3a, 3b, and 3c embedded inside a main body 2 (FIG. 2).

[0062] The outer peripheral surfaces of the pseudo-lump portions 3a, 3b, and 3c are formed with ridges 32 that run along a direction that intersects with the contact surface 20 and the placement surface 21 of the main body 2, increasing frictional resistance as the material of the main body 2 and the material of the pseudo-lump portions 3a, 3b, and 3c engage with each other in an uneven manner, and the pseudo-lump portions will not rotate or move even when embedded in the soft main body 2.

[0063] Since a spacer C is provided at the lower end of the pin B, the bottom surfaces of the pseudo lump portions 3 a, 3 b, and 3 c are not exposed to the mounting surface 21 of the main body 2.

[0064] In the placement surface 21 of the main body 2, an opening 210 is formed at the position where the pin B is pulled out, reaching the pseudo lump portions 3a, 3b, and 3c.

[0065] The lump tactile model 1 allows the user to simulate the experience of having a breast cancer lump inside the body by gently pressing and stroking the touchable surface 20 of the main body 2, which has a softness similar to that of a breast, with the fingers to touch the pseudo lump part 3 embedded inside. At this time, the tips of a plurality of protrusions 31 and ridges 32 are formed on the surface of the pseudo-lump portion 3 facing the touched surface 20, so that a tactile sensation that more realistically resembles a breast cancer tumor lump can be obtained.

[0066] Lump tactile model 1 floats on water, so by leaving it floating in the bathtub it is easy to see and pick up, and it is possible to easily compare the feel of Lump tactile model 1 with the feel of the surface of one's own body (breast) while bathing, allowing for daily self-checks for the presence or absence of lumps.

[0067] Even if the touchable surface 20 becomes less slippery after long-term use, by applying soapy foam to the touchable surface 20 when taking a bath, the surface can be made more slippery with fingers.

[0068] By attaching the lump tactile model 1 by adhering the adhesive surface formed on the placement surface 21 of the main body 2 to the surface of a wall or mirror in a dressing room or bathroom, it is not difficult to find a place to store it and is easy to handle.With the main body attached to the surface of the wall or mirror, the user can lightly press and stroke the surface of the main body with the fingers of one hand while lightly pressing and stroking the surface of their own body with the fingers of the other hand, allowing them to easily check for the presence or absence of a lump inside the body and, if the lump tactile model 1 is placed in a conspicuous location, it is difficult to forget to perform the self-check.

[0069] The adhesive surface of the placing surface 21 has an adhesive effect with a smooth surface, and furthermore, the opening 210 formed in the placing surface 21 exhibits an effect like a suction cup, which assists the adsorption of the placing surface 21, and the lump tactile model 1 can be attached to a wall or a mirror for a long period of time without falling off. The adsorption effect of the lump tactile model 1, which has three pseudo lump portions 3, i.e., three openings 210, was tested by adhering the adsorption surface to a whiteboard, and none of the lump tactile models 1 fell off even after 62 days.

[0070] The lump tactile model 1 has a plurality of pseudo lump parts 3a, 3b, 3c embedded in the main body 2 at different depths from the touch surface 20, allowing the user to experience the feel of lumps occurring at various depths inside the body.

[0071] In the lump tactile model 1, one of the multiple blocks of the main body 2 does not have a pseudo lump part embedded therein, and the other blocks have pseudo lump parts 3 embedded therein, so that the difference in feel between a part with a lump and a part without a lump can be known.

[0072] The lump tactile model 1 has a flat touch surface 20 that allows the finger to slide easily, and multiple pseudo lump portions 3a, 3b, 3c are embedded, allowing the user to experience the difference in feel of lumps occurring in different locations.

[0073] The lump tactile model 1 has ridges 32 formed on the outer circumferential surfaces of the pseudo lump parts 3a, 3b, 3c, protruding in a direction intersecting with the touch surface 20 and the placement surface 21, so that even if the soft main body 2 is pressed during use, the pseudo lump parts 3a, 3b, 3c embedded inside are prevented from rotating or moving.

[0074] Second Embodiment A second embodiment of the present invention will be described with reference to Fig. 12. Note that a description of the same parts as in the first embodiment will be omitted, and the following mainly focuses on the different parts.

[0075] The second embodiment differs from the first embodiment in some respects in the manufacturing process of the lump tactile model. FIG. 12 is an explanatory diagram of a manufacturing stage of a lump tactile model according to the second embodiment, which corresponds to the manufacturing stage shown in FIG. 9 according to the first embodiment.

[0076] Specifically, in the first embodiment, a spacer C is used and attached to the lower end of the pin B so that the bottom surfaces of the pseudo lump portions 3a, 3b, and 3c are not exposed on the mounting surface 21 of the main body 2, but in the second embodiment, the spacer C is omitted and the pseudo lump portions 3a, 3b, and 3c are provided to manufacture a lump tactile model.

[0077] The length of the three pins B rising from the bottom surface of the lower mold A is made longer than the depth of the pin insertion holes 33 in the pseudo lump portions 3a, 3b, and 3c, or the depth of the pin insertion holes 33 in the pseudo lump portions 3a, 3b, and 3c is made shallower than the length of the three pins B rising from the bottom surface of the lower mold A, so that when the pins B are fitted into the pin insertion holes 33 and the tips of the pins B are abutted against the upper ends (rear ends) of the pin insertion holes 33, a space is formed between the bottom surface of the lower mold A and the bottom surfaces of the pseudo lump portions 3a, 3b, and 3c.

[0078] Then, three pins B standing up from the bottom surface of the lower mold A are fitted into the pin insertion holes 33 of the pseudo-lump portion, and the tips of the pins B are brought into contact with the upper ends (rear ends) of the pin insertion holes 33 to form pseudo-lump portions 3a, 3b, and 3c in the lower mold A.

[0079] As a result, a space is formed between the bottom surface of the lower mold A and the bottom surfaces of the pseudo lump portions 3a, 3b, and 3c.

[0080] The other manufacturing steps are the same as those in the first embodiment. In this way, a lump tactile model can be manufactured without using the spacer C, so that the bottom surfaces of the pseudo lump portions 3a, 3b, 3c are not exposed on the mounting surface 21 of the main body 2.

[0081] Since no spacer C is used and the portion corresponding to the thickness of the pin B becomes the opening 210 that reaches the bottom surface of each of the pseudo-lump portions 3a, 3b, and 3c, the size of the opening 210 in the second embodiment is smaller than that in the first embodiment, making it less conspicuous and more attractive in appearance.

[0082] [Other Modifications] The present invention is not limited to the above-described embodiment, and may also include the following, for example.

[0083] In this embodiment, the planar shape of the main body is elliptical, but it may also be other shapes such as circular or rectangular.

[0084] In this embodiment, three pseudo lump portions are embedded in the main body, but the number of pseudo lump portions can be increased or decreased, and the dimensions of the pseudo lump portions can also be changed as appropriate.

[0085] In this embodiment, the entire mounting surface is used as an adsorption surface, but an adsorption surface may be provided on only a part of the mounting surface.

[0086] In this embodiment, an opening is formed on the placing surface of the main body, so it is possible to distinguish between the placing surface and the touchable surface, but this can be made even easier by displaying a mark indicating that it is the touchable surface. Furthermore, by using the position of this mark to indicate the top, bottom, left and right of the touched surface and attaching a leaflet or the like indicating the buried position of the pseudo-lump, even if you cannot feel the pseudo-lump when sliding your finger over the touched surface, you can confirm the buried position and reliably simulate the tactile experience of the pseudo-lump.

[0087] In this embodiment, a pseudo lump that mimics a breast cancer lump is embedded in the main body, but a pseudo lump that mimics a benign lump may also be embedded so that the difference in feel between a breast cancer lump and a benign lump can be compared.

[0088] The lump tactile model 1 of this embodiment is not for medical use, and is therefore made light and compact for ease of handling. As a breast cancer lump tactile model, it does not require specifications conducive to medical use, such as accurate tactile feel and durability, but the present invention may also be applied to a medical lump palpation model.

[0089] The technical matters in the embodiments including the modified examples may be combined and applied to other embodiments to form examples. [Explanation of symbols]

[0090] 1 Lump texture model 2 Main unit 20 Touched surface 21 Placement surface 210 Aperture 3 Pseudo-lump area 30 Cylinder 31 Protrusion 32 protrusion 33 Pin insertion hole A Lower mold B-pin C spacer D Upper mold

Claims

1. A lump tactile model that simulates the experience of a lump present in the body through touch, a main body having a placement surface on which the device is placed and a touchable surface that is touched for the simulated experience; a pseudo-lump portion simulating a lump embedded in the main body, Floats on water, The mounting surface has an adsorption surface. A lump tactile model characterized by:

2. A lump tactile model that simulates the experience of a lump present in the body through touch, a main body having a placement surface on which the device is placed and a touchable surface that is touched for the simulated experience; a pseudo-lump portion simulating a lump embedded in the main body, Floats on water, A lump tactile model characterized by:

3. A lump tactile model that simulates the experience of a lump present in the body through touch, a main body having a placement surface on which the device is placed and a touchable surface that is touched for the simulated experience; a pseudo-lump portion simulating a lump embedded in the main body, The mounting surface has an adsorption surface. A lump tactile model characterized by:

4. A plurality of the pseudo lump portions are embedded in the main body, and are embedded at different depths from the contact surface.

4. The lump tactile model according to claim 1, wherein the lump tactile model is a tactile model of a human body.

5. The main body is divided into a plurality of blocks, and at least one of the plurality of blocks does not have the pseudo lump portion embedded therein, and the other blocks have the pseudo lump portion embedded therein.

4. The lump tactile model according to claim 1, wherein the lump tactile model is a tactile model of a human body.

6. The contact surface is flat.

4. The lump tactile model according to claim 1, wherein the lump tactile model is a tactile model of a human body.

7. The placement surface has an opening, and the opening reaches the pseudo-lump portion.

4. The lump tactile model according to claim 1, wherein the lump tactile model is a tactile model of a human body.

8. A plurality of protrusions are formed on the surface of the pseudo-lump portion facing the contact surface.

4. The lump tactile model according to claim 1, wherein the lump tactile model is a tactile model of a human body.

9. A protrusion is formed on the outer peripheral surface of the pseudo-lump portion along a direction intersecting the contact surface and the placement surface.

4. The lump tactile model according to claim 1, wherein the lump tactile model is a tactile model of a human body.

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