JP5517038B2 - Seat type pad - Google Patents

Description

  The present invention relates to a seat-type pad for inclining the surface of a headrest or backrest of a dental examination table.

  Since the headrest and backrest of a conventional dental examination table cannot be tilted to the left or right, if treatment is performed without tilting the patient to the dental examination table and tilting to the left or right, treatment water or saliva is placed behind the patient's throat. Accumulates. Especially in the case of middle-aged and elderly patients, muscle strength in the oral cavity often decreases with age, and if saliva or treatment water accumulates in the oral cavity during treatment in the supine position, it is tension to be aware that it will not be swallowed As a result, there is a possibility that saliva or treatment water may be swallowed or thinned despite being conscious. In this way, there is a problem that mental stress increases and treatment cannot be received with peace of mind.

  In addition, in the case of a patient with a curved back or back, the patient may be treated while sitting in a sitting position without sitting on the dental table and putting the patient in the supine position. When such a patient is seated on the dental examination table, a part of his / her curved back hits and cannot be stably placed on the backrest. For this reason, the patient's body becomes unstable and unstable, and there is a problem that the treatment cannot be received with peace of mind because it is dangerous during the treatment.

  Also, the headrest of the dental clinic becomes difficult to open when the jaw is pulled when the patient's head is placed in the patient's supine position. Therefore, in order to facilitate medical care, the top of the head must be tilted backwards, the chin should be slightly protruded, and the posture should be such that it can be opened naturally. As a result, the patient's posture slightly bows upwards, and if the patient's oral cavity is tilted to the right or left in this posture, the head is twisted. If the body axis is tilted for a long time in this way, the neck and shoulders are strengthened, and the neck and shoulders are stiff, causing pain to the patient. Thus, various proposals have been made as methods for changing the posture without causing pain to a patient sitting on a dental examination table. For example, the invention disclosed in Patent Document 1 is known.

  The invention of Patent Document 1 improves the comfort of a person sitting on a chair such as a dental examination table. In this invention, a hole through which the headrest can be inserted is opened at the center of the rectangular cushion. With the headrest inserted in this hole, the cushion part before and after the hole is hung down on the surface of the backrest as needed. It is configured to keep the back and head raised with a cushion by lifting the headrest on the surface.

  However, since the backrest and headrest of the conventional dental examination table are configured so that the patient's posture cannot be tilted, if the patient is tilted to a posture that facilitates medical treatment, the patient can take an unreasonable posture. It will be a lot of tension and pain. Moreover, in the case of the invention of Patent Document 1, there is a problem that the posture of the seated patient can be lifted with a cushion, but the posture cannot be inclined.

JP 2001-120392 A

  The problem to be solved is to tilt the patient supine on the dental table to the right or left in the axial direction, or to support the upper or lower part of the back so as to stabilize the patient sitting on the dental table, It is to make the patient take a comfortable posture when treating the oral cavity.

The seat-type pad of the present invention comprises a seat portion attached to a headrest and / or backrest surface in a dental examination table, and a pad portion attached to the surface of the seat portion to incline the headrest and / or backrest surface. The pad portion is configured to be detachable from the surface of the headrest and / or the backrest via the seat portion, and the pad portion has an inclined surface that is thickened from one side serving as an inclined base end toward the other. The inclined base end side of the pad portion is positioned on the vertical dividing line of the sheet portion, and one surface is attached to either the left or right or the top or bottom .

The seat-type pad of the present invention is detachable from the headrest and / or backrest surface of a conventional dental examination table, and by attaching it, the oral cavity of a patient who is supine on the dental examination table is placed on the right or left side. It can be tilted to a tilted position that is comfortable. As a result, the patient is not burdened even during long-term medical care. In addition, dental treatment is becoming more advanced and the appointment time is tending to be longer, and it is said that the opening of the mouth when taking a medical care position is particularly important for patients.
These are particularly problematic under the following conditions.
・ When treatment time is long ・ When the muscles of the throat are weak in middle-aged age ・ When local anesthesia is applied ・ When vomiting reaction is strong ・ When there is a disorder in the neck or shoulder ・ In the case of a child who is tired of treatment For the above problem, the seat position pad can be tilted and the oral cavity can be tilted slowly to the left or right by using the seat-type pad of the present invention, so treatment water and saliva accumulate on the cheek side and swallow the saliva No worries. Furthermore, there is an advantage that a long-time opening becomes easy and treatment is easy.

  Moreover, in sitting medical care in a state where a patient such as an elderly person or a disabled person is woken up, the back is placed on a substantially flat backrest surface. In this case, in a patient with a curved back or waist, only a part of the curved portion may hit the flat backrest and the body may not be sufficiently supported. However, by using the seat pad of the present invention, the body posture can be kept stable without being shaken, so that the oral cavity is easily stabilized and can receive safe and sufficient treatment.

(A) is a perspective view with a seat pad attached to a dental examination table, (b) is a perspective view of the sheet pad, (c) and (d) are perspective views showing the size of the pad, and (e) is a headrest. It is a front view equipped with a seat type pad. Example 1 FIG. 3 is a view showing the back side of a dental clinic equipped with a sheet-type pad. Example 1 (A) is the perspective view which mounted | wore the dental examination table with the sheet type pad, (b) is the perspective view of a sheet type pad. (Example 2) (A) is the perspective view which mounted | wore the dental examination table with the sheet type pad, (b) is the perspective view of a sheet type pad. (Example 3) (A) is the perspective view which mounted | wore the dental examination table with the sheet type pad, (b) is the perspective view of a sheet type pad. Example 4 (A) is the perspective view which mounted | wore the dental examination table with the sheet type pad, (b) is the perspective view of a sheet type pad. (Example 5) (A) is the perspective view which mounted | wore the dental examination table with the sheet | seat type pad. (Example 6) (A) (b) is a perspective view which shows the structure and effect | action of a sheet-type pad. (Example 6) FIG. 3 is a perspective view showing a sheet-type pad. (Example 7) (A) (b) is a perspective view which shows the method of mounting | wearing a dental examination table with a sheet type pad. (Example 8) (A) (b) is a perspective view which shows the method of mounting | wearing a dental examination table with a sheet type pad. (Example 8) (A) (b) is a perspective view which shows the method of mounting | wearing a dental examination table with a sheet type pad. (Example 8) (A) (b) is a perspective view which shows the method of mounting | wearing a dental examination table with a sheet type pad. (Example 8) (A) (b) is a perspective view which shows the method of mounting | wearing a dental examination table with a sheet type pad. (Example 8) (A) is the perspective view which mounted | wore the dental examination table with the sheet type pad, (b) is the perspective view of a sheet type pad. Example 9

The purpose of making the patient take a tilted posture when performing supine treatment at the dental clinic,
The present invention was realized by mounting the seat pad of the present invention composed of a seat and an inclined pad on the surface of the headrest and / or backrest of a conventional dental examination table.

  The seat-type pad of the present invention comprises a sheet having an equal thickness and a pad having an inclined surface, and is configured to be detachable with respect to a headrest and a backrest of a conventionally used dental examination table.

  The seat type pad 1 of this embodiment shown in FIGS. 1 (a) and 1 (b) is formed as an approximate shape corresponding to the shape of the backrest 3, with the shape of the seat portion 2 as a pad portion 4 attached to the backrest 3. The pad portion 4 is formed in a shape on one side of the vertical dividing line 5 of the sheet portion 2 and has an inclined surface 6 gradually increased in thickness from the vertical dividing line 5 toward the side. The pad portion 4 is a vertical sticking type in which the inclined base end side 7 is positioned on the vertical dividing line 5 of the sheet portion 2 and is integrally attached to the sheet surface on one side of the vertical dividing line 5. . The seat pad has a structure wrapped in leather.

  On the other hand, the seat-type pad 12 attached to the headrest 10 has a seat portion 13 formed in the shape of the headrest 10, and (e) on the left or right side of the vertical dividing line 14 on the surface of the seat portion 13 as shown in FIG. The pad 15 having an appropriate inclination angle in consideration of the sinking of the patient's head is integrated with the seat surface on one side of the vertical dividing line 14 with the inclined base end 16 positioned on the vertical dividing line. This is a vertical sticking type in which the patient's head 18 is tilted to an optimum tilt angle of 35 °.

  Further, as shown in FIG. 2 (b), two belts 8 are connected in the vertical direction and one each in the horizontal direction, and a buckle 9 is provided at the tip of each belt 8. Each of the buckles 9 of the belt 8 can be attached by being joined on the back side of the headrest 10 or the backrest 3 as shown in FIG. Further, when the pad portion 4 or 15 is converted from the left side to the right side in the figure, it is possible to turn the seat type pad 1 or 12 over and attach it.

  The pad 4 or 15 shown in (a) is provided on the entire longitudinal surface of the headrest 10 or backrest 3, but (c) the lower half of the headrest 10 or backrest 3 as shown in FIG. (D) The lower 1/3 shown in the figure may be omitted.

Incidentally, the inclination angle of the pad portion 4 is 10 to 35 ° when mounted on the backrest 3 side, and 20 to 45 ° when mounted on the headrest 10 side. Further, the angle of the head for collecting water on the cheek side is preferably 35 °, and the inclination angle of the headrest is preferably larger than the inclination angle of the backrest.
The hardness of the pad section 4 50~1100N / 314cm ^2, the material is semi-rigid urethane foam of the pad section 4, a high altitude urethane foam, foam urethane foam, a flexible urethane foam, polyether type urethane foam, rubber sponge form, etc. Although the thing similar to the said material is also included, if sufficient softness | flexibility is maintained as the pad part 4, it will not be limited to these materials. Further, the pad portion 4 and the seat portion 2 may be the same or different materials.

  The seat type pads 1 and 12 described above are attached to the headrest 3 and / or the backrest 10 of the dental examination table 11 before introducing the patient, so that the patient is not burdened if necessary and can be easily treated. The pad portions 4 and 15 are adjusted to tilt the body position. As a result, the oral cavity can be gently tilted to either the left or right side, so that the patient does not have to worry about swallowing even though he / she is conscious not to swallow saliva. Further, by tilting the body position, it is easy to open for a long time, and the surgeon can also easily perform treatment. Further, in the case of a patient with a curved back, the back surface can be stably supported by the pad, so that safe and accurate medical care can be performed without placing a burden on the patient.

  The sheet type pad 21 or 25 of the present embodiment shown in FIGS. 3 (a) and 3 (b) is a vertical attachment in which the pad portion 4 or 15 is attached to the surface of the sheet portion 2 or 13 in the embodiment 1. Instead of the equation, the pad portion 22 or 24 is a vertical rotation type in which the pad portion 22 or 24 is configured to be rotatable left and right about the vertical dividing line 5 or 14 in the substantially central portion of the sheet portion 2 or 13. In this case, the inclined base edge 7 or 16 of the pad portion 22 or 24 is fixed to the longitudinal dividing line 5 or 14 of the seat portion 2 or 13 by sewing, and corresponds to the front and back of the pad portion 22 and 24 and the respective surfaces. A plurality of hook-and-loop fasteners 23 are provided on the surfaces of the seat portions 2 and 13, and the pad portions 22 and 24 are configured to be fixed to the surface of the seat portion 2 or 13 via the hook-and-loop fasteners 23 when the pad portions 22 and 24 are rotated. Has been. The hook-and-loop fastener 23 is not limited to this, and a snap or a magnet may be used. Since other configurations are the same as those of the first embodiment, the same portions are denoted by the same reference numerals and description thereof is omitted.

  As described above, the seat-type pad 21 or 25 of the present embodiment only needs to turn the pad portion 22 or 24 left and right when changing the position of the pad portion 22 or 24. 10 and the backrest 3 do not have to be removed, so that labor can be saved and the same effects as in the first embodiment can be obtained.

  The seat type pad 31 or 33 of this embodiment shown in FIGS. 4 (a) and 4 (b) is configured so that one pad portion 22 or 24 can be rotated on the surface of the seat portion 2 or 13 in the second embodiment. Instead of the vertical rotation type, two inclined pad portions 32 or 34 that are about ½ of the pad portion 22 or 24 are formed, and the inclined base end side 7 or 16 of the sheet portion 2 or 13 is formed. It is a vertical rotation type that is fixed to the vertical dividing line 5 or 14 at the substantially central portion by sewing at the same time and is configured to be rotatable left and right around the vertical dividing line 5 or 14. The inclined pad portions 32 and 34 are not limited to being sewn, but may be fixed by an adhesive or by partially melting with heat. Similarly to the second embodiment, a hook-and-loop fastener 23 or the like is provided between the surfaces of the pad portions 32 or 34 or between the pad portions 32 or 34 and the surfaces of the sheet portion 2 or 13 as in the second embodiment. Thus, the surfaces can be fixed to each other. In this embodiment, an example of using two pads having an inclination angle of approximately 1/2 has been described. However, the present invention is not limited to this, and four pads having an inclination angle of 1/4 or an inclination angle of 1/6 are used. Six pads may be used. Since other configurations are the same as those of the first embodiment, the same portions are denoted by the same reference numerals and description thereof is omitted.

  As described above, since the pad portion 32 or 34 of the seat type pad 31 or 33 according to the present embodiment has an inclination angle of approximately 1/2 as compared with the first and second embodiments, the pad portion 32 or 34 is rotated. The angle can be adjusted by stacking one or two sheets on either the left or right side. Further, in this case, since there are two pad portions 32 or 34, the pad portions 32 or 34 may be left and right one by one if the patient's posture is not inclined. Therefore, there is no need to attach or detach the seat pad 31 or 34 to the dental examination table 11. As a result, it can be always mounted on the dental examination table 11, and the same effects as in the first embodiment can be obtained.

  5 (a) and 5 (b), the seat-type pad 41 of this embodiment is replaced with the vertical sticking type of the first embodiment, and the backrest 3 side is a horizontal dividing line at the substantially central portion of the backrest 3. 42 is a horizontal sticking type in which a pad part 43 is stuck on the surface of the sheet part 2 above, while the headrest 10 side is a vertical rotating sheet pad 12 similar to that of the first embodiment. . In this case, the shape of the seat portion 2 on the backrest 3 side is the same as the overall shape of the backrest 3, but the pad portion 43 is formed in a shape above the horizontal dividing line 42 of the backrest 3, and the inclined base end side 44 is located on the horizontal dividing line 42 of the seat portion 3.

  As described above, in the seat-type pad 41 of the present embodiment, the pad portion 43 is attached to the surface of the seat portion 3 above the horizontal dividing line 42 of the backrest 3, but the position of the pad portion 43 is changed downward. In that case, the entire sheet-type inclined pad 41 may be turned over and attached. Thus, for example, in the case of a patient with a curved back, the pad portion 43 can fill the gap formed between the surface of the backrest 3 and the back, and the posture is stabilized, so that the patient can be treated without overworking. be able to.

  The seat type pad 51 of this embodiment shown in FIGS. 6 (a) and 6 (b) is a backrest 3 instead of the horizontal attachment type in which the pad portion 43 is attached to the surface of the seat portion 2 in the embodiment 4. The side is a horizontal rotation type in which the pad portion 52 is configured to be rotatable up and down around the horizontal dividing line 42 at the substantially central portion of the seat portion 2.

  In this case, the pad portion 52 has the inclined base end 53 fixed to the horizontal dividing line 42 of the seat portion 2 by stitching, and a plurality of hook-and-loop fasteners 23 are attached to the front and back of the pad portion 52 and the surface of the seat portion 2, respectively. The pad portion 52 is fixed to the surface of the seat portion 2 via the surface fastener 23 when the pad portion 52 is rotated. The hook-and-loop fastener 23 is not limited to this, and a snap or a magnet may be used. Further, the thickness of the pad portion 52 may be approximately ½ as in the third embodiment, and two layers may be stacked or may be configured as a plurality of sheets divided at a smaller angle. Since other configurations are the same as those of the first embodiment, the same portions are denoted by the same reference numerals and description thereof is omitted.

  As described above, when changing the position of the pad portion 52 to the opposite side of the laterally divided gland, the seat-type pad 51 of the present embodiment only needs to rotate the pad portion 52 up and down. You don't have to remove it from rest 3, so you can save time. When the pad portion 52 is composed of a plurality of sheets, the angle can be adjusted by rotating the pad section 52 so that one or two sheets are stacked one above the other.

  7 (a) (b) and FIG. 8 (a) (b), the sheet-type pad 61 or 64 of this embodiment is replaced with the use of one sheet 2 in the first to fifth embodiments. On the surface of the sheet A, there are three sheets consisting of a first sheet A at the top, a second sheet B superimposed on the lower surface of the sheet A, and a third sheet C stacked on the lowermost surface. It is a vertical / horizontal rotation type constituted by four pad portions 62 adhered.

  In this case, as shown in FIGS. 8 (a) and 8 (b), the four pad portions 62 are adhered to the surface of the uppermost sheet A, and the sheet A is an abbreviation of the second sheet B that overlaps the lower surface thereof. It is sewn on the vertical dividing line 5 in the center, and is fixed so as to be rotatable in the left-right direction indicated by arrows with the vertical dividing gland 5 as an axis. Further, the sheet B is sewn on a horizontal dividing line 42 at a substantially central portion of the third sheet C to be overlapped on the lower surface thereof, and is fixed so as to be rotatable in the vertical direction indicated by an arrow with the horizontal dividing line 42 as an axis. . The sheet A has a vertical dividing line and the sheet B has a horizontal dividing line as a rotation axis. However, the sheet A has a horizontal dividing line and the sheet B has a vertical dividing line as a rotation axis. And may be configured to rotate.

  Further, as shown in FIG. 7B, each of the four pad portions 62 is provided with inclined surfaces 62a and 62b in two directions. In addition, two belts 8 are connected to the sheet C to be stacked on the lowermost surface and one belt 8 to each of the left and right directions. The seat type pad can be attached and detached by connecting the corresponding buckles 9 on the back surface of the rest 3. Further, since the seat pad 64 on the headrest 10 side is the same as the configuration of the seat pad 61, the same parts are denoted by the same reference numerals and the description thereof is omitted.

  With the above configuration, the sheet-type pad 61 or 64 of the present embodiment is the same as the sheet A with the pad portion 62 attached in FIG. 7 (b) in the left-right direction with the vertical dividing line 5 as the axis or the horizontal dividing line 42 as the axis. The pad portion 62 can stably tilt the patient's body position. Even if the surfaces of the pad portion 62 come into contact with each other when the sheet A is rotated in the left-right direction or the up-down direction, there is no problem because the surfaces of the pad portion 62 are provided with the inclined surfaces 62a and 62b. In addition, the same effects as those of the first embodiment can be obtained.

  The sheet-type pad 71 of the present embodiment shown in FIG. 9 uses two sheets A and B instead of using the three sheets A, B and C in the sixth embodiment. In this case, between the first sheet A and the second sheet B superimposed on the back surface, 1/2 of the vertical dividing line 5 in the substantially central portion and 1/2 of the horizontal dividing line 42 in the substantially central portion. Only the length is sewn into an L shape shown in the figure, and four pad portions 62 are adhered to the surface of the sheet A. The pad portion 62 is provided with inclined surfaces 62a and 62b as in the above embodiment, and the belt 8 and the buckle 9 are connected to the seat B.

  The sheet-type pad 71 having the above configuration can achieve the same operational effects as the sixth embodiment.

  10 (a) (b) to FIG. 14 (a) (b), the seat type pads are respectively attached to the headrest 10 or the backrest 3 via the belt 8 in the first to seventh embodiments. In place of the belt 8, it is attached by a method other than the belt 8, and various attachment methods will be described below.

In the example of FIG. 10, a plurality of magnets 81 are provided between the surface of the headrest 10 or the backrest 3 and the back surface of the seat part 2 or 13 on the corresponding pad side, and are attached by the attractive force of the magnets 81. is there.
In the example of FIG. 11, fasteners 82 are attached to the left and right edges of the headrest 10 or the backrest 3 and the left and right edges of the seat portion 2 or 13 corresponding to the headrest 10 or the backrest 3.
In the example of FIG. 12, the bag portion 83 is formed on the left and right edges of the seat portion 2 or 13 on the pad side, and the bag portion 83 is attached by covering the left and right edges of the headrest 10 or backrest 3 corresponding thereto. It is.
In the example of FIG. 13, a tubular portion 84 is formed on the outer peripheral edge of the pad-side seat portion 2 or 13, and a rubber cord is passed through this, covering the outer periphery of the backrest 3, and the rubber cord is contracted on the back side of the backrest 3. It is to be mounted by doing.
In the example of FIG. 14, a plurality of snaps 85 are provided on the outer peripheral edge of the headrest 10 or the backrest 3 and the outer peripheral edge of the pad-side seat 2 or 13, and the snaps 85 are attached to each other for attachment. The hook is not limited to the snap 85, and a hook may be used.

  The seat type pad 91 of this embodiment shown in FIGS. 15 (a) and 15 (b) is different from the first and second embodiments in that the seat portion 2 is separated into a headrest portion and a backrest portion. The seat portion of the backrest portion is integrally connected. In this case, the connected seat portion 92 is formed in a shape that integrally covers the surfaces of the headrest 10 and the backrest 3 at a position where the headrest 10 is lowered to the backrest 3 side. Each of the pad portions 4 and 15 provided on the surface of the sheet portion 92 is configured in a sticking manner in which the pad portions 4 and 15 are attached to one side of the longitudinally divided glands 5 or 14 as in the first and second embodiments. Alternatively, the inclined base end side 7 or 16 of the pad portion 2 or 15 is fixed on the gland of the longitudinally divided gland 5 or 14 by sewing, and is configured to be turnable so as to be able to turn left and right. Since other configurations are the same as those of the first and second embodiments, the same portions are denoted by the same reference numerals and description thereof is omitted.

  As described above, when changing the position of the pad portion 92, the sheet-type pad 91 according to the present embodiment may be mounted with the entire sheet-type pad 91 turned over when the pad portions 4 and 15 are attached. Further, when the pad portions 4 and 15 are pivotable, they may be pivoted left and right. In addition, when the seat-type pad 91 is pulled out upward, the seat portion 92 is also lifted upward at the same time, so that the lower portion of the backrest 3 is lifted and cannot be covered. Since the movement amount of the seat portion 92 is small, the patient's scapula can be sufficiently supported by the pad portion 4 and the posture can be tilted without any problem.

  As described above, by using the seat-type pad of the present invention described in Embodiments 1 to 8 for the headrest 10 and / or the backrest 3, the headrest is inclined at 20 to 45 ° on the headrest 10 side, and the backrest 3 The back can be tilted 10-35 ° on the side, allowing the patient to take a comfortable posture

1,12,21,25,31,33,41,51,61,64,71,91 Seat type pad
2,13,92 Seat part
3 Backrest
4, 15, 22, 24, 32, 34, 43, 52, 62 Pad part
5,14 Vertical dividing line
6 Inclined surface
7,44,53 Inclined base end
8 belt
9 Buckle
10 Headrest
18 head
11 Dental clinic
42 Horizontal dividing line
62a, 62b inclined surface
81 magnet
82 fasteners
83 bags
84 Tubular section
85 snaps

Claims (7)

A seat portion to be attached to the surface of the headrest and / or backrest in the dental clinic, and a pad portion that is attached to the surface of the seat portion and tilts the surface of the headrest and / or backrest, and the pad is interposed via the seat portion. The pad portion is configured to be detachable from the surface of the headrest and / or the backrest, and the pad portion has an inclined surface that is thickened from one side serving as the inclined base end toward the other, and the inclined base end of the pad portion A sheet-type pad characterized in that the side is positioned on a vertical dividing line of the sheet portion and one surface is attached to either the left or right or the top or bottom.   The sheet-type pad according to claim 1, wherein the inclined base end side of the pad portion is fixed to the vertical dividing line in the substantially central portion of the seat portion so as to be rotatable in the left-right direction.   The seat-type pad according to claim 1, wherein the inclined base end side of the pad portion is fixed so as to be rotatable in a vertical direction on a horizontal dividing line in a substantially central portion of the seat portion.   Formed on a plurality of inclined pads having an inclination angle smaller than that of the pad portion, and the inclined base end side of the inclined pad is fixed on the vertically divided gland in the substantially central portion of the seat portion and is configured to be turnable right and left. The sheet type pad according to claim 2 characterized by things.   Formed on a plurality of inclined pads having an inclination angle smaller than that of the pad portion, and the inclined base end side of the inclined pad is fixed on the laterally divided gland in the substantially central portion of the seat portion so as to be rotatable in the vertical direction. The sheet type pad according to claim 3.   A sheet portion having a plurality of pad portions fixed to a surface of a seat portion attached to a headrest and / or backrest surface in a dental examination table, in a horizontal direction about a vertical dividing line at a substantially central portion of the sheet portion, and substantially A sheet-type pad that is fixed so as to be pivotable in the vertical direction about a horizontal dividing line at the center.   The sheet is composed of three sheets, a plurality of pads are attached to the first sheet surface, and the first sheet is divided into either a vertical dividing line or a horizontal dividing line at a substantially central portion thereof. The second sheet is fixed to the second sheet so as to be rotatable about an axis, and the second sheet is fixed to the third sheet so as to be rotatable about the dividing line at a substantially central portion in a direction perpendicular to the dividing line. 7. The sheet-type pad according to claim 6, wherein the sheet-type pad is configured to be rotatable in the left-right or up-down direction about a vertical dividing line or a horizontal dividing line of the sheet.

Images