Urinary incontinence pads
The incontinence pad design addresses pain during peeling by using a dual-adhesiveness surface and visual guidance, enhancing user comfort and ease of use.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- KOBAYASHI PHARMA CO LTD
- Filing Date
- 2024-12-18
- Publication Date
- 2026-06-30
AI Technical Summary
Conventional incontinence pads attached to the vaginal vestibule cause pain when peeled off due to strong adhesion, leading to user dissatisfaction.
An incontinence pad design with a main body having a back surface that adheres to the vaginal vestibule, featuring a first region with high adhesiveness and a second region with lower adhesiveness, allowing easy peeling, and optionally including a guide portion for alignment and a translucent material for visual guidance.
Reduces pain and discomfort during peeling by minimizing the force required, ensuring easy attachment and detachment, and providing visual guidance for correct positioning.
Smart Images

Figure 2026106640000001_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to an incontinence pad.
Background Art
[0002] Conventionally, a water-absorbent sheet known as a product for preventing female urinary incontinence absorbs urine leaking from the urethral orifice and protects underwear. Although such a water-absorbent sheet can protect clothes including underwear from urine, it cannot eliminate the wet feeling or odor caused by urine, and may cause dissatisfaction among users.
[0003] On the other hand, Patent Document 1 discloses an incontinence pad that prevents involuntary urine leakage from the urethral orifice itself. This incontinence pad is attached to the vaginal vestibule surrounding the urethral orifice so as to close the urethral orifice.
Prior Art Documents
Patent Documents
[0004]
Patent Document 1
Summary of the Invention
Problems to be Solved by the Invention
[0005] However, since the incontinence pad of Patent Document 1 is attached to the mucosa of the vaginal vestibule, it may cause pain when the pad is peeled off therefrom.
[0006] An object of the present disclosure is to provide an incontinence pad with less pain when peeled off.
Means for Solving the Problems
[0007] (Item 1) An incontinence pad to be worn on the urethral orifice, comprising: a main body portion having a back surface that contacts the vaginal vestibule so as to close the urethral orifice, and a front surface opposite to the back surface Equipped with, The aforementioned reverse side is, Having adhesive properties that allow it to be attached to the vaginal vestibule, a first region covering the portion of the vaginal vestibule surrounding the urethral opening, A second region is located on the outer edge of the back surface and has lower adhesiveness than the first region. Includes urinary incontinence pads.
[0008] (Section 2) The main body is, Substrate and An adhesive layer disposed on the substrate and forming the back surface including, The urinary incontinence pad described in item 1.
[0009] (Section 3) The adhesive layer includes a first portion that overlaps with the first region and a second portion that overlaps with the second region, as viewed from a direction perpendicular to the surface. When the urinary incontinence pad is attached to the urethral opening, and the direction from the user's back to their abdomen is defined as the longitudinal direction, the second portion is formed in a number of striates extending in the longitudinal direction. Urinary incontinence pads as described in item 2.
[0010] (Section 4) The adhesive layer includes a first portion that overlaps with the first region and a second portion that overlaps with the second region, as viewed from a direction perpendicular to the surface. The thickness of the first part is greater than the thickness of the second part. Urinary incontinence pads as described in item 2 or 3.
[0011] (Section 5) The main body is provided with a guide portion for aligning the main body with respect to the urethral opening when the user attaches the main body to the vaginal vestibule. A urinary incontinence pad as described in any of items 1 to 4.
[0012] (Section 6) The guide portion includes a mark that can be perceived by the user visually or tactilely from the surface side. The incontinence pad according to Item 5.
Effect of the Invention
[0013] According to the present disclosure, an incontinence pad with less pain when peeling off is provided.
Brief Description of the Drawings
[0014] [Figure 1] Perspective view of the incontinence pad according to the first embodiment. [Figure 2] View of the vulva with the incontinence pad according to the first embodiment attached, viewed from the outside. [Figure 3] Cross-sectional view taken along line III-III of FIG. 2. [Figure 4] Side view of the incontinence pad according to the first embodiment. [Figure 5] View of the incontinence pad according to the first embodiment viewed from the front side. [Figure 6] View of the incontinence pad according to the first embodiment viewed from the back side. [Figure 7] Perspective view of the incontinence pad according to the second embodiment. [Figure 8] Cross-sectional view of the vulva with the incontinence pad according to the second embodiment attached. [Figure 9] Side view of the incontinence pad according to the second embodiment. [Figure 10] View of the incontinence pad according to the second embodiment viewed from the front side. [Figure 11] View of the incontinence pad according to the second embodiment viewed from the back side. [Figure 12] View of the incontinence pad according to the third embodiment viewed from the front side. [Figure 13] Side view of the incontinence pad according to the third embodiment. [Figure 14] View of the incontinence pad according to the third embodiment viewed from the back side. [Figure 15A] View of the vulva with the incontinence pad according to the third embodiment attached, viewed from the outside. [Figure 15B]A diagram showing the external view of the vulva with the urinary incontinence pad according to the third embodiment attached in a different manner. [Figure 16] A diagram showing a modified urinary incontinence pad viewed from the reverse side. [Figure 17A] A view of a urinary incontinence pad, showing another modified example, from the reverse side. [Figure 17B] A diagram showing a urinary incontinence pad, another modified example, viewed from the reverse side. [Figure 18] A diagram showing a urinary incontinence pad, another modified example, viewed from the reverse side. [Figure 19A] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 19B] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 19C] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 19D] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 19E] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 20A] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 20B] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 20C] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 20D] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 21A] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 21B] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface. [Figure 21C] Figure 21A shows a cross-sectional view along the line XXI-XXI. [Figure 21D] Another cross-sectional view of line XXI-XXI in Figure 21A. [Figure 22A] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface at a slight angle. [Figure 22B]Figure 22A shows the tab in the folded state. [Figure 23A] A diagram showing a urinary incontinence pad, another modified example, viewed from the surface at a slight angle. [Figure 23B] Figure 23A shows the tab in the folded state. [Modes for carrying out the invention]
[0015] Hereinafter, several embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and their descriptions will not be repeated. Furthermore, each drawing is schematic, with parts omitted or exaggerated as appropriate, to facilitate understanding.
[0016] [1. First Embodiment] Figure 1 shows a perspective view of a urinary incontinence pad 1 according to the first embodiment. The urinary incontinence pad 1 is a urinary incontinence prevention product for women and is attached to the urethral opening 91 to block the urethral opening 91 in order to prevent involuntary urine leakage from the user's urethral opening 91. The urinary incontinence pad 1 may or may not be absorbent. The urinary incontinence pad 1 traps urine inside the urethral opening 91 and suppresses leakage of urine from the urethral opening 91. As a result, the urinary incontinence pad 1 can protect clothing, including underwear, from urine and reduce the feeling of wetness and odor caused by urine.
[0017] Figure 2 is an external view of the female vulva 90 with the urinary incontinence pad 1 attached, and Figure 3 is a cross-sectional view taken along line III-III in Figure 2. As shown in these figures, the urethral opening 91 is located anterior to the vaginal opening 93. Anterior to the urethral opening 91 is the clitoris 96 (including the clitoral body 96A and clitoral glans 96B). Unless otherwise specified, when describing body parts, anterior-posterior and lateral are defined relative to the user. The urethral opening 91 and the vaginal opening 93 are formed in the vaginal vestibule 92. The vaginal vestibule 92 is a generally flat area whose anterior side is surrounded by the clitoris 96 and whose left and right sides are surrounded by the labia minora 95. The left and right sides of the labia minora 95 are further surrounded by the labia majora 94. The urinary incontinence pad 1 is attached to the portion of the vaginal vestibule 92 surrounding the urethral opening 91 and is housed between the vaginal vestibule 92 and the labia minora 95. In Figure 2, the dotted lines indicate the portion of the urinary incontinence pad 1 that is hidden by the labia minora 95 and the urethral opening 91 that is hidden by the urinary incontinence pad 1.
[0018] Figure 4 is a side view of the urinary incontinence pad 1. As shown in Figures 1 and 4, the urinary incontinence pad 1 comprises a main body 2. The main body 2 includes a base material 10 and an adhesive layer 20 disposed on the back surface 10B of the base material 10. The back surface 10B of the base material 10 is the surface that faces the urethral opening 91 when the urinary incontinence pad 1 is attached to the urethral opening 91. The adhesive layer 20 has adhesive properties that allow it to be attached to the vaginal vestibule 92 and forms the back surface 2B of the main body 2. The back surface 2B of the main body 2 is the surface that contacts the vaginal vestibule 92 so as to close the urethral opening 91. On the other hand, the front surface 2A of the main body 2 (the surface opposite to the back surface 2B) is formed by the base material 10 and coincides with the front surface 10A of the base material 10 (the surface opposite to the back surface 10B). As described above, when the urinary incontinence pad 1 is attached to the urethral opening 91, the main body 2 is attached to the vaginal vestibule 92 via the back surface 2B.
[0019] The base material 10 is constructed in a sheet form, and the adhesive layer 20 is laminated on the back surface 10B of the base material 10. The main body 2 is also sheet-like as a whole. Before use of the urinary incontinence pad 1, a release film 4 is attached to the adhesive layer 20. That is, the release film 4 is attached to the back surface 2B of the main body 2. The release film 4 is a film (sheet) that covers the adhesive layer 20 from the outside (opposite side of the base material 10) and protects the adhesive layer 20. When the urinary incontinence pad 1 is used, the release film 4 is peeled off from the adhesive layer 20, and the exposed adhesive layer 20 is attached to the vaginal vestibule 92 surrounding the urethral opening 91. The adhesive layer 20 is made to adhere tightly to the vaginal vestibule 92. The urinary incontinence pad 1 is typically individually packaged for hygiene reasons. In Figure 4, the pouch 5 containing the urinary incontinence pad 1 is shown by a dashed line.
[0020] Figure 5 shows the urinary incontinence pad 1 viewed from the surface 2A side of the main body 2. In this figure, the release film 4 has been removed. In the example of Figure 5, the shape of the base material 10 (and consequently the shapes of the main body 2 and adhesive layer 20) is approximately triangular, and more specifically, approximately isosceles, when viewed from a direction perpendicular to the surface 2A of the main body 2. In this embodiment, the vertex of the approximately isosceles triangle corresponds to the clitoris 96 side when the urinary incontinence pad 1 is attached, and the base of the approximately isosceles triangle corresponds to the vaginal opening 93 side when the urinary incontinence pad 1 is attached. The two equal sides of the approximately isosceles triangle correspond to the left and right edges of the main body 2.
[0021] Figure 6 shows the urinary incontinence pad 1 viewed from the back surface 2B of the main body 2. In this figure, the release film 4 has been removed. As shown in the figure, the back surface 2B of the main body 2 is formed by an adhesive layer 20 and includes a first region A1 and a second region A2. The boundary line between the first region A1 and the second region A2 is indicated by the symbol L2. The first region A1 has adhesive properties that allow it to be attached to the vaginal vestibule 92. The second region A2 is a region with lower adhesive properties than the first region A1. When the urinary incontinence pad 1 is attached, the first region A1 is positioned to cover the portion of the vaginal vestibule 92 surrounding the urethral opening 91. That is, as shown in Figure 6, the portion C1 of the main body 2 that should cover the urethral opening 91 is located within the first region A1. The second region A2 is located at the outer edge of the back surface 2B. In the example of Figure 6, the second region A2 is located at the upper end of the back surface 2B. On the other hand, the first region A1 occupies the entire area below the second region A2 within the back surface 2B.
[0022] The first region A1, which is more adhesive than the second region A2, can be firmly attached to the area surrounding the urethral opening 91 in the vaginal vestibule 92. As a result, the urethral opening 91 is firmly closed while the urinary incontinence pad 1 is in place. On the other hand, when removing the urinary incontinence pad 1, it can be easily peeled off the vaginal vestibule 92 by starting to peel it off from the second region A2 located on the outer edge of the back surface 2B. Although more force is required to start peeling, the adhesive force of the second region A2, which is the starting area for peeling, is relatively weak, so it is possible to start peeling without applying much force. In the example in Figure 6, the urinary incontinence pad 1 can be easily peeled off from the upper side where the second region A2 is located, towards the lower side. Note that since the urinary incontinence pad 1 is attached to the vaginal vestibule 92, which is made of mucous membrane that is sensitive to irritation, if strong force is applied to peel it off from the vaginal vestibule 92, the user may experience pain. However, in this embodiment, since strong force is not required to begin peeling off the urinary incontinence pad 1, stimulation to the vaginal vestibule 92 is reduced, and pain when peeling off the urinary incontinence pad 1 is reduced.
[0023] Various methods can be considered to impart stronger adhesion to the first region A1 than to the second region A2, and these methods can be appropriately adopted. Hereinafter, when viewed from a direction perpendicular to the surface 2A of the main body 2, the portion of the adhesive layer 20 that overlaps with the first region A1 will be called the first portion 21, and the portion that overlaps with the second region A2 will be called the second portion 22.
[0024] First, by making the adhesive constituting the first part 21 have higher adhesive strength than the adhesive constituting the second part 22, it is possible to impart stronger adhesiveness to the first region A1 than to the second region A2.
[0025] Alternatively, or in addition to the above, the first region A1 can be given stronger adhesion than the second region A2 by making the patterns of the first portion 21 and the second portion 22 different. Specifically, by making the density of the adhesive layer in the first region A1 greater than the density of the adhesive layer in the second region A2, the first region A1 can be given stronger adhesion than the second region A2. For example, as shown in Figure 6, it is preferable that the first portion 21 be a solid, patternless layer so that it can firmly close the urethral opening 91. In other words, in this example, the adhesive layer is arranged without gaps throughout the entire first region A1. On the other hand, the second portion 22 is formed with a pattern in which parts with and without the adhesive layer 20 are mixed, or a pattern in which parts with a large thickness and parts with a small thickness of the adhesive layer 20 are mixed (for example, a pattern in which the surface of the adhesive layer 20 is wavy in a cross-sectional view). In other words, the adhesive layer is thinned out and arranged within the second region A2. As a result, within the second region A2, the contact area between the adhesive layer 20 and the vaginal vestibule 92 is reduced, which reduces the resistance when peeling off the urinary incontinence pad 1, making it easier to peel off the urinary incontinence pad 1 and, consequently, further reducing the pain when peeling it off.
[0026] As shown in Figure 6, the second portion 22 can be formed into numerous ridges extending in the longitudinal direction. Unless otherwise specified, the longitudinal direction of the urinary incontinence pad 1 refers to the direction from the user's back to their abdomen when the urinary incontinence pad 1 is attached, with the user's ventral side (clitoris 96 side) being the upper side and the dorsal side (vaginal opening 93 side) being the lower side. The ridges of the second portion 22 may be in the shape of straight stripes, as in the example in Figure 6, or they may extend in a meandering manner. Furthermore, the ridges of the second portion 22 may extend intermittently in the longitudinal direction, with breaks in places. This allows the urinary incontinence pad 1 to be easily peeled off in the longitudinal direction along the ridges of the adhesive layer 20, starting from the second region A2. In the example in Figure 6, since the second portion 22 is positioned at the upper end of the back surface 2B, the urinary incontinence pad 1 can be easily peeled off in the longitudinal direction from the top to the bottom.
[0027] The thicknesses of the first part 21 and the second part 22 may be the same, but as shown in Figures 1 and 4, the thickness of the first part 21 can be greater than that of the second part 22. This method also effectively imparts stronger adhesion to the first region A1 than to the second region A2. This is because the pressure applied to the first part 21 is greater than that applied to the second part 22. In this case, the adhesion of the first part 21 to the vaginal vestibule 92 is increased, and the urethral opening 91 can be closed more firmly.
[0028] When r1 is the ratio of the area of the second region A2 to the total area of the first region A1 and the second region A2, from the viewpoint of ease of peeling, it is preferable that r1 > 0.005, more preferable that r1 > 0.01, and even more preferable that r1 > 0.03. On the other hand, it is preferable that r1 < 0.9, more preferable that r1 < 0.8, and even more preferable that r1 < 0.7.
[0029] The base material 10 is preferably made of a biocompatible material. From the viewpoint of improving the fit to the vaginal vestibule 92 and improving the wearing comfort, the base material 10 is preferably made of flexibility, elasticity, cushioning, and lightness. For example, the base material 10 can be made of synthetic resin, elastomers such as rubber and thermoplastic elastomers, or natural materials such as cotton. Examples of preferred materials that give the base material 10 the above properties include foams such as polyethylene foam, nonwoven fabrics, and synthetic resin base materials formed in sheet form. Examples of synthetic resins include polyethylene resin, polyester resin, polyvinyl chloride (PVC), polyurethane resin, and silicone resin.
[0030] The adhesive layer 20 is preferably made of a biocompatible material. Furthermore, from the viewpoint of improving the fit to the vaginal vestibule 92 and improving the wearing comfort, the adhesive layer 20 is preferably made of a material that is flexible, elastic, cushioned, and lightweight. The adhesive layer 20 can be made of an adhesive that has such properties.
[0031] According to the first embodiment, a second region A2, which is less adhesive than the first region A1, is provided on the outer edge of the back surface 2B of the main body 2. As a result, the urinary incontinence pad 1 can be easily peeled off the vaginal vestibule 92 by starting to peel it off from the second region A2. This also reduces the pain when peeling off the urinary incontinence pad 1.
[0032] [2. Second Embodiment] Next, the urinary incontinence pad 101 according to the second embodiment will be described. Figure 7 shows a perspective view of the urinary incontinence pad 101. As can be seen by comparing Figure 1 and Figure 7, the urinary incontinence pad 101 differs from the urinary incontinence pad 1 according to the first embodiment in that it is provided with tabs 3 and markings 7 (an example of a guide portion). In the following, the differences from the first embodiment will be mainly described, and the common parts with the first embodiment will be omitted as appropriate.
[0033] The urinary incontinence pad 101 is provided with tabs 3 that rise from the surface 2A of the main body 2. The tabs 3 are for the user to grasp with their fingers when attaching or detaching the urinary incontinence pad 101, and facilitate the user's operation of attaching and detaching the urinary incontinence pad 101. The tabs 3 are formed to a size that is easy for the user to grasp when attaching or detaching the urinary incontinence pad 101. Preferably, the tabs 3 are integrally formed with the base material 10 included in the main body 2, but they may also be attached as separate parts.
[0034] When attaching the urinary incontinence pad 101, for example, the user holds the tab 3 with their fingers, positions the main body 2 relative to the urethral opening 91, and attaches the adhesive layer 20 to the vaginal vestibule 92. More specifically, the user holds the main body 2 by holding the tab 3 with one hand, and removes the release film 4 from the main body 2 with the other hand. Then, while still holding the tab 3 with one hand, the user spreads the labia minora 95 to the left and right with the other hand, exposing the vaginal vestibule 92 (especially the area around the urethral opening 91) from between the labia minora 95. In this state, the user moves the hand holding the tab 3, directing the adhesive layer 20 toward the exposed vaginal vestibule 92, and aligns the urinary incontinence pad 101 relative to the urethral opening 91. Then, the user presses the adhesive layer 20 against the vaginal vestibule 92 to make contact and attach and secure the urinary incontinence pad 101. On the other hand, when removing the urinary incontinence pad 101, for example, the user pinches the tab 3 with their fingers and pulls the tab 3 so that the main body 2 peels off along the vaginal vestibule 92, thereby removing the urinary incontinence pad 101 from the urethral opening 91.
[0035] Tab 3 is used in an upright position, as shown in Figure 7, to make it easier for the user to grasp when attaching or detaching the urinary incontinence pad 101. On the other hand, while the urinary incontinence pad 101 is attached, Tab 3 is folded along the surface 2A of the main body 2 and housed between the vaginal vestibule 92 and the labia minora 95 (see Figures 8 and 9). Figure 8 is a cross-sectional view taken at the same position as in Figure 3, after attaching the urinary incontinence pad 101 to the vulva 90 in the same position as in Figure 2. Figure 9 is a side view of the urinary incontinence pad 101 with Tab 3 folded. While the urinary incontinence pad 101 is attached, Tab 3 is placed on top of the surface 2A of the main body 2. Then, when Tab 3 is folded along the surface 2A of the main body 2, the entire urinary incontinence pad 101, including Tab 3 and the main body 2, becomes compact and can be housed comfortably between the vaginal vestibule 92 and the labia minora 95. Therefore, tab 3 does not come into unnatural contact with the external genitalia 90, including the labia minora 95 and labia majora 94, and does not cause unnecessary irritation. As a result, discomfort caused by the presence of tab 3 is suppressed when the user is wearing the urinary incontinence pad 101, especially when the user moves their body. Thus, discomfort during wear is reduced, and the user can use the urinary incontinence pad 101 comfortably.
[0036] As shown in Figures 7, 8, and 9, the tab 3 is preferably formed in a thin, flake shape to further reduce discomfort while wearing it. Furthermore, it is preferable that the entire urinary incontinence pad 101, including the tab 3 and the main body 2, is formed in a sheet shape when the tab 3 is folded.
[0037] Furthermore, from the viewpoint of further reducing discomfort during wear, it is preferable that the tab 3 can maintain a bent state along the surface 2A of the main body 2 when no external force is applied. In this case, the tab 3 will not strongly press on the labia minora 95 in the direction of spreading them apart (making them stand up) during wear, making discomfort less likely. It is preferable that the tab 3 can maintain a bent state until it makes surface contact with the surface 2A, as shown by the solid line in Figure 9, when no external force is applied, but it may also be slightly raised from the surface 2A, as shown by the dotted line in Figure 9. On the other hand, the tab 3 can be made to stand upright as shown in Figure 7 by applying an external force such as pinching it with your fingers, and can be angled from 0° to 180° relative to the surface 2A of the main body 2. From the viewpoint of making the tab 3 easier to pinch, it is preferable that the tab 3 can stand upright at a right angle to the surface 2A of the main body 2.
[0038] The urinary incontinence pad 101 is also typically individually packaged for hygienic reasons. Figure 9 shows a pouch 5 containing the urinary incontinence pad 101, indicated by a dashed line. From the viewpoint of miniaturizing the pouch 5, it is preferable that the tab 3 is housed in the pouch 5 in a state where it lies down along the surface 2A of the main body 2, as shown in Figure 9. Furthermore, by maintaining its downed position within the pouch 5, the tab 3 may be conditioned to remain lying down along the surface 2A of the main body 2 even after being removed from the pouch 5. In other words, the property of the tab 3 to maintain a state where it lies down along the surface 2A of the main body 2 even when no external force is applied may be formed within the pouch 5. Alternatively, this property may be formed before it is housed in the pouch 5, for example, by pressing the tab 3 against the surface of the main body 2.
[0039] Figure 10 shows the urinary incontinence pad 101 viewed from the surface 2A side of the main body 2. In this figure, the release film 4 has been removed. In this embodiment, as shown in Figures 7, 9, and 10, the tab 3 (more precisely, the boundary line L1 between the tab 3 and the main body 2, which extends along the base of the tab 3 to the main body 2) extends substantially parallel to the surface 2A of the main body 2 in the lateral direction. Unless otherwise specified, the lateral direction of the urinary incontinence pad 101 refers to the direction in which the bases of the user's legs are aligned when the urinary incontinence pad 101 is attached, with the left leg side being the left side and the right leg side being the right side. When the tab 3 (boundary line L1) extends in the lateral direction, the two fingers used to grasp the tab 3 can be positioned in front of and behind the body. Therefore, the operation of attaching and detaching the urinary incontinence pad 101, which is performed by the user placing their hand below their urethral opening 91 and grasping the tab 3, becomes easier.
[0040] In the example shown in Figure 10, the tab 3 is folded along the surface 2A of the main body 2 and, when viewed from a direction perpendicular to the surface 2A of the main body 2, fits inside the outer edge 2P of the main body 2. In other words, when viewed from the same direction, the tab 3 does not protrude from the main body 2. Therefore, when the tab 3 is folded, the overall shape of the urinary incontinence pad 101, including the tab 3 and the main body 2, does not become unnecessarily uneven, further reducing discomfort while wearing it.
[0041] In Figure 10, the tab 3 in a downward-folded state is shown by a solid line, and the tab 3 in an upward-folded state is shown by a dotted line. Thus, from the viewpoint of reducing discomfort during wear, it is preferable that the tab 3 be folded to at least one side and contained within the outer edge 2P. That is, the tab 3 may be configured so that it does not protrude from the outer edge 2P when folded to one side, but protrudes from the outer edge 2P when folded to the other side. Of course, the tab 3 may also be configured so that it is contained within the outer edge 2P of the main body 2 regardless of which side it is folded to. If the tab 3 is designed to fold to one side, it is preferable that it is contained within the outer edge 2P of the main body 2 when folded in the direction in which it is designed to fold.
[0042] As shown in Figure 10, when viewed from a direction perpendicular to the surface 2A of the main body 2, the boundary line L1 between the tab 3 and the main body 2 is positioned offset from the center of gravity G of the main body 2 on the surface 2A of the main body 2. In other words, when viewed from a direction perpendicular to the surface 2A of the main body 2, the boundary line L1 does not coincide with the center of gravity G and does not run over the center of gravity G. As a result, when the tab 3 is pinched and pulled with fingers, the tensile force is not evenly distributed on the main body 2, and peeling begins from the area on the adhesive layer 20 where the tensile force is greater. As a result, the urinary incontinence pad 101 becomes easier to peel off from the vaginal vestibule 92. In this disclosure, the center of gravity G of the main body 2 may be the geometric center of the figure drawn by the outer edge 2P of the main body 2 when viewed from a direction perpendicular to the surface 2A (the position of the arithmetic mean taken for all points belonging to the figure), or it may be the position of the foot of the perpendicular drawn from the center of mass of the main body 2 to the surface 2A. In the example shown in Figure 10, the horizontally extending tab 3 (boundary line L1) is positioned on the surface 2A of the main body 2 offset above the center of gravity G, but it may also be positioned offset below the center of gravity G. When the horizontally extending tab 3 (boundary line L1) is positioned offset above the center of gravity G, the urinary incontinence pad 101 becomes easier to peel off from top to bottom, and when it is positioned offset below, it becomes easier to peel off from bottom to top. From the viewpoint of ease of peeling, when the distance between the boundary line L1 and the center of gravity G is d1 and the length of the main body 2 is d2, it is preferable that d1 / d2 > 0.10, more preferably d1 / d2 > 0.20, and even more preferably d1 / d2 > 0.30. The length d2 of the main body 2 is the maximum length of the main body 2 in the direction perpendicular to the direction in which the tab 3 (boundary line L1) extends.
[0043] On the other hand, from the viewpoint of ease of application of the urinary incontinence pad 1, the tab 3 (boundary line L1) may overlap with the center of gravity G. This makes it easier to apply the urinary incontinence pad 1 as it stabilizes its position during application. Even if the tab 3 (boundary line L1) does not overlap with the center of gravity G, it is preferable that the tab 3 (boundary line L1) is close to the center of gravity G. When the distance between the boundary line L1 and the center of gravity G is d1 and the length of the main body 2 is d2, it is preferable that d1 / d2 < 0.30, more preferably that d1 / d2 < 0.20, and even more preferably that d1 / d2 < 0.10.
[0044] Figure 11 shows the urinary incontinence pad 101 viewed from the back surface 2B of the main body 2. In this figure, the release film 4 has also been removed. In Figure 11, the position of the tab 3 (boundary line L1) located on the front surface 2A of the main body 2 is shown by a dotted line for reference. In the examples of Figures 10 and 11, the tab 3 (boundary line L1) is positioned on the front surface 2A and back surface 2B of the main body 2, offset above the center of gravity G of the main body 2. That is, the tab 3 (boundary line L1) and the second region A2 are positioned on the front surface 2A and back surface 2B of the main body 2, offset to the same side with respect to the center of gravity G. Therefore, when the tab 3 is pinched and pulled with the fingers to peel the urinary incontinence pad 101 from the vaginal vestibule 92, the pulling force is more easily transmitted to the second region A2. In other words, the force can be efficiently applied to the second region A2, which is the starting area for peeling. Therefore, the urinary incontinence pad 101 can be removed more easily from the vaginal vestibule 92, and the pain when removing the urinary incontinence pad 101 is also reduced.
[0045] Tab 3 is also preferably made of a biocompatible material. Tab 3 may be integrally constructed from the same material as the base material 10, or it may be made of a different material.
[0046] As shown in Figures 7 and 9-11, the main body 2 is provided with a mark 7. Mark 7 is a mark (marker) that the user can perceive visually. Mark 7 serves as a guide for the user to align the main body 2 with the urethral opening 91 when attaching the main body 2 to the vaginal vestibule 92. The urinary incontinence pad 101 needs to be attached near the urethral opening 91 in the external genitalia 90, which is difficult for the user to see, making it difficult to attach it in the correct position. If the urinary incontinence pad 101 is attached in a misaligned position, the urethral opening 91 will not be properly closed, and urine leakage will not be prevented. Mark 7 provides guidance to help the user attach the urinary incontinence pad 101 to the correct position on the vaginal vestibule 92 in order to prevent such a situation. Mark 7 makes it easy to attach the urinary incontinence pad 101 to the correct position near the urethral opening 91.
[0047] In this embodiment, the mark 7 is positioned to surround the portion C1 of the main body 2 that should cover the urethral opening 91. Therefore, the user can easily understand the portion C1 of the main body 2 that should be superimposed on the urethral opening 91 by using the mark 7 as a guide. The user can position the main body 2 in the correct position on the vaginal vestibule 92 by superimposing the portion of the main body 2 surrounded by the mark 7 onto the urethral opening 91 while visually confirming as needed.
[0048] Even if the main body 2 is attached so as to cover the entire urethral opening 91, if the highly adhesive first region A1 shifts away from the urethral opening 91 and the less adhesive second region A2 overlaps with the urethral opening 91, the urethral opening 91 may not be properly closed, potentially causing urine leakage. In this embodiment, however, the mark 7 is positioned within the first region A1 (see Figure 11). Therefore, by aligning the mark 7 with the urethral opening 91, the urethral opening 91 can be securely covered with the highly adhesive first region A1.
[0049] In the examples shown in Figures 7, 10, and 11, the mark 7 is roughly rectangular and has two linear portions 7L and 7R extending vertically. These portions 7L and 7R are arranged side by side. In this case, the mark 7 is easily visible when the user is looking at the urinary incontinence pad 101 from the front below the vulva 90 when attempting to put on the pad (including when looking at it from the front through a mirror; the same applies in the following description). Therefore, the presence of vertically extending portions 7L and 7R in the mark 7 (at least partially vertically extending) enhances the guidance function described above.
[0050] In this embodiment, the main body 2 is translucent. That is, the main body 2 is formed to be transparent or semi-transparent. Therefore, the user can see from the front surface 2A to the back surface 2B through the main body 2, and can also see from the back surface 2B to the front surface 2A. As a result, when the user is about to attach the urinary incontinence pad 101 and is looking at the urinary incontinence pad 101 from the front below the vulva 90, it becomes easy to visually check the area around the urethral opening 91 through the main body 2. That is, the area around the urethral opening 91 is not hidden from view by the main body 2. Therefore, the user can accurately grasp the position of the target (urethral opening 91) to which the mark 7 should be aligned and then attach the main body 2 to the vaginal vestibule 92. In addition, if the main body 2 is translucent, the user can visually check whether the adhesive layer 20 and the vaginal vestibule 92 are in close contact, thereby confirming whether the urinary incontinence pad 101 is firmly attached. Whether or not the adhesive layer 20 and the vaginal vestibule 92 are in close contact can be confirmed, for example, by observing the appearance of air bubbles or other features formed between them.
[0051] To impart light-transmitting properties to the main body 2, the base material 10 and the adhesive layer 20 can be formed to be transparent or translucent. For example, the base material 10 can be made from a transparent or translucent resin sheet (film), and in particular, from a transparent or translucent resin sheet with high flexibility. For example, the adhesive layer 20 can be made from a biocompatible and transparent adhesive such as a hydrogel, silicone-based adhesive, or acrylic-based adhesive.
[0052] In addition to the main body 2, the tab 3 may also be formed to be transparent or translucent. For example, the tab 3, like the base material 10, can be made from a transparent or translucent resin sheet (film), and can be made from a particularly flexible transparent or translucent resin sheet.
[0053] As shown in Figures 10 and 11, the mark 7 can be configured to be visible from both the front surface 2A and the back surface 2B of the main body 2. However, the mark 7 may also be visible from only one of the two sides of the main body 2. From the viewpoint of effectively performing the guidance function described above, it is preferable that the mark 7 be visible from at least the front surface 2A so that it is easily noticeable to the user when the urinary incontinence pad 101 is attached. In the example of Figure 9, the mark 7 is formed only on the front surface 10A of the base material 10. However, if the main body 2 is translucent, the mark 7 will be visible from the back surface 2B as well as the front surface 2A of the main body 2.
[0054] The method for forming the mark 7 on the main body 2 is not particularly limited. For example, the mark 7 can be formed by printing on the surface 10A of the base material 10, or by attaching a sticker. Alternatively, the mark 7 can be formed on the back surface 10B of the base material 10, either in addition to or instead of the surface 10A. Furthermore, the mark 7 may be formed on the adhesive layer 20 instead of the base material 10.
[0055] As described above, in the second embodiment, the user can easily attach and detach the urinary incontinence pad 101 by operating the tab 3. Furthermore, while the urinary incontinence pad 101 is in place, the tab 3 is folded along the surface 2A of the main body 2 and housed between the vaginal vestibule 92 and the labia minora 95. Therefore, the user is less likely to feel discomfort due to the presence of the tab 3 while wearing the urinary incontinence pad 101. As a result, the user can use the urinary incontinence pad 101 comfortably.
[0056] Furthermore, in the second embodiment, a mark 7 is provided on the main body 2, allowing the user to align the main body 2 with respect to the urethral opening 91 using the mark 7 as a guide. As a result, the urinary incontinence pad 101 can be easily attached in the correct position.
[0057] [3. Third Embodiment] Next, the urinary incontinence pad 201 according to the third embodiment will be described. Figure 12 shows the urinary incontinence pad 201 as viewed from the surface 202A side, which will be described later, and Figure 13 shows a side view of the urinary incontinence pad 201. As shown in these figures, the urinary incontinence pad 201 is provided with tabs 3, similar to the second embodiment. In addition, compared to the second embodiment, the urinary incontinence pad 201 is provided with extensions 31 (an example of guide parts) instead of markings 7. In the following, the differences from the second embodiment will be mainly described, and the common parts with the first and second embodiments will be omitted as appropriate.
[0058] The urinary incontinence pad 201, compared to the second embodiment, includes a main body 202 instead of a main body 2. The main body 202 has a cover portion 30 corresponding to the main body 2 in the second embodiment, as well as an extension portion 31 extending from the cover portion 30. The cover portion 30 is the portion of the main body 202 that includes a portion C1 that should cover the urethral opening 91. The extension portion 31 extends from the cover portion 30 so as to be aligned with the clitoris 96 when the cover portion 30 is covering the urethral opening 91.
[0059] The urethral opening 91 is located approximately 2.5 cm posterior to the clitoral glans 96B. Therefore, the vertical length of the extension 31 is set such that the distance d3 between the portion C1 of the cover portion 30 that should cover the urethral opening 91 and the portion C2 of the extension 31 that should overlap the clitoris 96 (more precisely, the clitoral glans 96B; the same applies hereafter) roughly matches the distance d4 (approximately 2.5 cm) between the urethral opening 91 and the clitoris 96. As a result, when a predetermined portion of the extension 31 is placed over the clitoris 96, the cover portion 30 is correctly positioned relative to the urethral opening 91, and the portion C1 that should cover the urethral opening 91 overlaps with the urethral opening 91.
[0060] As shown in Figure 12, it is preferable that a mark 32 is provided on the portion C2 of the extension 31 that is to be superimposed on the clitoris 96. In the example shown in the figure, the portion C2 of the extension 31 that is to be superimposed on the clitoris 96 is near the upper end. The mark 32 can be formed in various ways, similar to the mark 7, for example, by printing or by attaching a sticker. It is preferable that the mark 32 is visible from at least the surface 202A side of the main body portion 202.
[0061] Figure 14 is a view of the urinary incontinence pad 201 from the opposite side of Figure 12 (from the back surface 202B side, which will be described later). As shown in Figures 12 to 14, the cover portion 30 has the same configuration as the main body portion 2 according to the second embodiment. The extension portion 31 is formed to extend the base material 10 included in the cover portion 30 toward the clitoris 96 side. It is preferable that the extension portion 31 is integrally formed with the base material 10, as shown in Figure 13. The surface 202A of the main body portion 202 is composed of the surface 10A of the base material 10 and the surface 31A of the extension portion 31. On the other hand, the back surface 202B of the main body portion 202 is formed by the adhesive layer 20 on the vaginal opening 93 side and by the back surface 31B of the extension portion 31 on the clitoris 96 side.
[0062] As shown in Figures 13 and 14, an adhesive layer 33 is placed on the back surface 31B of the extension 31, on the portion C2 that is to be superimposed on the clitoris 96. The adhesive layer 33 has adhesive properties that allow it to be attached to the clitoris 96. A release film is attached to the adhesive layer 33 to protect it. In the example in Figure 13, the same single release film 4 covers both the adhesive layer 20 and the adhesive layer 33. However, the release film covering the adhesive layer 20 and the adhesive layer 33 can also be separate. The adhesive layer 33 is positioned to overlap the mark 32 with the main body portion 202 in between.
[0063] When attaching the urinary incontinence pad 201, for example, the user removes the release film 4, then grasps the tab 3 and positions the main body 202 below the vulva 90. Then, using the mark 32 as a guide, aligns the adhesive layer 33, which is to be placed on the part C2 that should overlap the clitoris 96, with the clitoris 96. With the free hand (fingers), press the adhesive layer 33 against the clitoris 96 to make contact, and attach and secure the extension 31 to the clitoris 96. Next, with one hand (fingers), spread the labia minora 95 to the left and right, exposing the vaginal vestibule 92 (especially the area around the urethral opening 91) from between the labia minora 95. With the other hand, grasp the tab 3 and manipulate the cover part 30, pressing the adhesive layer 20 against the exposed vaginal vestibule 92 to make contact. At this time, attach and secure the cover part 30 to the vaginal vestibule 92 without bending the main body 202. As a result, the urethral opening 91 is closed by the cover portion 30. Then, as in the second embodiment, the tab 3 is folded along the surface 202A of the main body portion 202 and is housed between the vaginal vestibule 92 and the labia minora 95. Figure 15A is a view of the vulva 90 from the outside at this time. In Figure 15A, parts that are not visible from the outside are indicated by dotted lines.
[0064] In this embodiment, first, a predetermined portion of the extension 31 is aligned with the clitoris 96 as described above. Then, using that state as a reference, the cover portion 30 connected to the extension 31 is aligned with the urethral opening 91. For the user, the clitoris 96 may be easier to locate and / or access than the urethral opening 91. In this embodiment, in such situations, aligning the cover portion 30 with respect to the urethral opening 91 becomes easier.
[0065] As shown in Figure 15A, after covering the urethral opening 91 with the cover portion 30, the extension portion 31 may be folded back toward the cover portion 30. Figure 15B is a view of the vulva 90 from the outside at this time. In Figure 15B, parts that are not visible from the outside are shown with dotted lines. Also, for clarity, the folded extension portion 31 is shown with diagonal hatching. In this embodiment, the adhesive layer 33 is used to temporarily fasten the extension portion 31 to the clitoris 96. According to this embodiment, there is no discomfort caused by the extension portion 31 being attached to the clitoris 96 while the urinary incontinence pad 201 is being worn. In addition, while the urinary incontinence pad 201 is being worn, the extension portion 31 may also be folded along the surface 202A of the main body portion 202, like the tab 3, and housed between the vaginal vestibule 92 and the labia minora 95. Furthermore, the main body portion 202 may have a fold formed in advance for folding back the extension portion 31.
[0066] The adhesive layer 33 can be omitted. In that case, the extension 31 will not be fixed to the clitoris 96, but the cover 30 can be attached to the vaginal vestibule 92 while holding the extension 31 with your hand.
[0067] When removing the urinary incontinence pad 201, the user can also peel it off by pinching and pulling the extension 31. Alternatively, the urinary incontinence pad 201 can be peeled off by pinching the tab 3 or by pinching the end of the cover 30. Therefore, the extension 31 may be configured to be detachable from the cover 30 after the urinary incontinence pad 201 has been attached. For example, the main body 202 may have perforations pre-formed for removing the extension 31.
[0068] As described above, in the third embodiment, the main body 202 is provided with an extension 31. By aligning the extension 31 with the clitoris 96, the user can align the cover 30 with the urethral opening 91. This makes it easier to align the cover 30 with the urethral opening 91.
[0069] [4. Variant] Although several embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications are possible without departing from the spirit of the invention. For example, the following modifications are possible. Furthermore, the gist of the above embodiments and the following modifications can be combined as appropriate within the scope of the spirit of the present invention.
[0070] [4-1] The adhesive layer 20 may be omitted. For example, the adhesive layer 20 may be omitted after the substrate 10 is made of a material with adhesive properties on its surface, such as silicone resin or hydrocolloid, thereby providing adhesiveness to the back surface 10B of the substrate 10. In this case, for example, the materials of the parts of the substrate 10 that define the first region A1 and the second region A2 may be different, or the first region A1 and / or the second region A2 may be surface-treated to give the first region A1 stronger adhesiveness than the second region A2. Similarly, the adhesive layer 33 may be omitted after the extension 31 is made of a material with adhesive properties on its surface, and the back surface 31B of the extension 31 is provided with adhesiveness.
[0071] [4-2] In the second and third embodiments, the tab 3 (boundary line L1) extended substantially parallel to the lateral direction on the surfaces 2A,202A of the main body 2,202, but it may also extend at an angle to the lateral direction or substantially parallel to the vertical direction. From the viewpoint of making it easier to pinch and peel off the tab 3 (boundary line L1), it is preferable that the tab 3 (boundary line L1) is positioned offset from the center of gravity G along a direction perpendicular to the direction in which the tab 3 (boundary line L1) extends.
[0072] [4-3] In the second embodiment, the second region A2 is located at the upper end of the back surface 2B of the main body 2, but it can also be located in various other places. However, from the viewpoint of making it easier to peel off the urinary incontinence pad 101, the second region A2 is preferably located at the outer edge of the back surface 2B, and can be located at the lower end of the back surface 2B, for example, as shown in Figure 16. In the example in Figure 16, the first region A1 occupies the entire area above the second region A2 within the back surface 2B. In this example, the urinary incontinence pad 101 can be easily peeled off from the lower side where the second region A2 is located towards the upper side.
[0073] Furthermore, in the example shown in Figure 16, tab 3 (boundary line L1) is positioned on the back surface 2B, offset below the center of gravity G. Note that in Figure 16, the position of tab 3 (boundary line L1) on the front surface 2A is shown by a dotted line for reference. In this example as well, since tab 3 (boundary line L1) and the second region A2 are positioned on the front surface 2A and back surface 2B of the main body 2, offset to the same side relative to the center of gravity G, the urinary incontinence pad 101 can be peeled off more easily. Note that in the example shown in Figure 16, the thickness of the first portion 21 can be made greater than the thickness of the second portion 22. In this case as well, the pressure applied to the first portion 21 tends to be greater than that applied to the second portion 22. Therefore, stronger adhesion can be provided to the first region A1.
[0074] Alternatively, the second region A2 may be formed along the entire outer edge of the back surface 2B, as shown in Figures 17A and 17B. In the example of Figures 17A and 17B, peeling can be easily started from any position on the outer edge of the back surface 2B. That is, the user can freely choose the direction in which to peel, thus improving the operability of the urinary incontinence pad 101. The shape of the first region A1 surrounded by the second region A2 is not particularly limited, and can be, for example, substantially similar in shape to the outer shape of the second region A2, as shown in Figure 17A. In this case, the width of the second region A2 can be approximately constant along the outer edge 2P of the main body 2. Alternatively, the shape of the first region A1 may be, for example, substantially rectangular (see Figure 17B), substantially circular, or substantially elliptical. In addition, in the example of Figures 17A and 17B, the thickness of the first part 21 can be made greater than the thickness of the second part 22. In this case as well, the pressure applied to the first part 21 tends to be greater than that applied to the second part 22. Therefore, stronger adhesion can be imparted to the first region A1.
[0075] Furthermore, this modified example is also applicable to the main body 2 according to the first embodiment and the cover 30 according to the third embodiment.
[0076] [4-4] In the first embodiment, the second portion 22 is formed in a stripe pattern, but other patterns may be used to form a pattern in which areas with and without the adhesive layer 20 are mixed, or a pattern in which areas with a large thickness and areas with a small thickness of the adhesive layer 20 are mixed. For example, from the viewpoint of weakening the adhesiveness of the second region A2 and making it easier to peel off the urinary incontinence pad 1, the second portion 22 can be, for example, a grid pattern or a dot pattern. Alternatively, the second portion 22 may be a border pattern with many lines extending in the horizontal direction, and the horizontal lines may extend in a straight line, meander, or extend intermittently with breaks in places in the horizontal direction. In this case, the urinary incontinence pad 1 can be easily peeled off in the horizontal direction. Note that this modification is also applicable to the second portion 22 in the second and third embodiments.
[0077] [4-5] In the first embodiment, as shown in Figure 18, the second portion 22 may be omitted from the adhesive layer 20. That is, within the back surface 2B of the main body portion 2, the adhesive layer (first portion 21) may exist only in the first region A1, and the second region A2 may not have an adhesive layer, with the second region A2 being formed by the back surface 10B of the base material 10. In this case as well, the urinary incontinence pad 1 can be easily peeled off by starting to peel off the second region A2. This modified example is also applicable to the second portion 22 in the second and third embodiments.
[0078] [4-6] In the second embodiment, the shape of the main body 2 (base material 10) is not limited to the approximately triangular shape described above, but can be of various shapes. For example, the shape of the main body 2 (base material 10) can be approximately elliptical (see Figure 19A), egg-shaped (teardrop-shaped) (see Figure 19B), approximately rectangular (see Figure 19C), approximately trapezoidal (see Figure 19D), peanut-shaped (approximately elliptical with the central part in the longitudinal direction indented from both the left and right sides) (see Figure 19E), etc.
[0079] Alternatively or in addition to the above, the shape of tab 3 is not limited to the shape described above and can be of various shapes. For example, tab 3 can be formed to be vertically elongated as shown in Figures 19A and 19C, rather than horizontally elongated as in the second embodiment.
[0080] Furthermore, in Figures 19A to 19E, the boundary line L2 between the first region A1 and the second region A2, located on the back surface 2B of the main body 2, is shown as a dotted line for reference. As shown in these examples, the position of the second region A2 can also be arranged in various ways.
[0081] Furthermore, the various features relating to the shape and position of the main body 2 (base material 10), tab 3, and the first region A1 and second region A2 exemplified here can be combined in various ways other than those exemplified here. Also, this modified example is applicable to the main body 2 (or cover 30), tab 3, and the first region A1 and second region A2 according to the first and third embodiments.
[0082] [4-7] In the second embodiment, the shape of the mark 7 can be configured in various ways. The shape of the mark 7 is not limited to a substantially rectangular shape, but may be a triangle, a star shape or other polygon, a circle, or an ellipse. For example, as shown in Figure 20A, the mark 7 can be configured to be many times larger than the portion C1 that is to cover the urethral opening 91 in the main body 2. Alternatively, the mark 7 may be composed of two linear portions extending in the vertical direction, as shown in Figure 20B. In the example of Figure 20B, the portion C1 that is to cover the urethral opening 91 is located within the area enclosed by the mark 7 and the outer edge 2P of the main body 2. In the examples of Figures 20A and 20B, the mark 7 is also positioned to surround the portion C1 that is to cover the urethral opening 91.
[0083] Furthermore, mark 7 may have a shape that does not define a closed region, as shown in Figures 20C and 20D. In the example in Figure 20C, mark 7 is a single line extending horizontally. In the example in Figure 20D, mark 7 is composed of two linear parts that intersect in a cross shape, and the intersection of the cross indicates the portion C1 that should cover the urethral opening 91.
[0084] Mark 7 may be positioned to overlap the portion C1 that should cover the urethral opening 91, as shown in Figure 20D. In this case as well, the user can easily understand the portion C1 that should overlap the urethral opening 91 on the main body 2 by using Mark 7 as a guide. In the example in Figure 20D, the user can correctly position the main body 2 in the vaginal vestibule 92 by aligning the portion indicated by Mark 7 (the intersection of the cross) on the main body 2 with the urethral opening 91. Mark 7 may also consist of an outer edge and an inner region defined by the outer edge. The inner region may be colored or have a pattern so that it can be distinguished from other parts, for example. In this case, Mark 7 (more specifically, the inner region of Mark 7) will be positioned to overlap the portion C1 that should cover the urethral opening 91.
[0085] Furthermore, in the examples shown in Figures 20A, 20B, and 20D, the mark 7 extends vertically, at least partially. Therefore, the guidance function of the mark 7 is enhanced.
[0086] [4-8] In the second embodiment, the mark 7 was a mark that the user could perceive visually, but instead of this, or in addition, it may be a mark that the user could perceive by touch. In this case as well, the mark 7 can perform a guidance function. For example, the portion of the surface 2A and / or back surface 2B of the main body 2 surrounded by the mark 7, or the portion where the mark 7 is placed, may be formed to be thicker or thinner than other parts, so that it is uneven or rough, or the texture may be made different from other parts. The tactilely perceiveable mark 7 allows the user to position the urinary incontinence pad 101 by relying on their sense of touch. Therefore, the poor workability of having to attach the urinary incontinence pad 101 to the external genitalia 90, which is difficult for the user to see, is compensated for, and the attachment of the urinary incontinence pad 101 becomes easier.
[0087] Mark 7 may be perceptible by touch from both the front surface 2A and the back surface 2B of the main body 2, or it may be perceptible by touch from only one of them. However, from the viewpoint of enhancing the guidance function, it is preferable that Mark 7 be perceptible by touch from at least the front surface 2A side so that it is easy for the user to touch when attaching the urinary incontinence pad 101.
[0088] [4-9] In the second embodiment, the entire main body 2 is configured as a translucent clear portion. However, the main body 2 may partially include a clear portion. In the example shown in Figures 21A and 21B, the clear portion 25 is shown as white, and the peripheral portion 26 surrounding the clear portion 25 is shown as gray. The peripheral portion 26 is a region with lower translucency than the clear portion 25 and may be semi-transparent (colored), but is typically opaque. The user can see from the front surface 2A side to the back surface 2B side of the main body 2 through the clear portion 25, and can also see from the back surface 2B side to the front surface 2A side. On the other hand, if the peripheral portion 26 is opaque, the user cannot see from the front surface 2A side to the back surface 2B side through the peripheral portion 26, nor can they see from the back surface 2B side to the front surface 2A side. Alternatively, if the peripheral portion 26 is semi-transparent, the user can see from the front surface 2A side to the back surface 2B side, and from the back surface 2B side to the front surface 2A side, although it is not as easy to see through the clear portion 25.
[0089] In the examples shown in Figures 21A and 21B, the peripheral portion 26 has lower light transmission than the clear portion 25, making it easier to see than the clear portion 25. Therefore, compared to the configuration in the second embodiment where the entire main body portion 2 is composed of a clear portion, the visibility of the urinary incontinence pad 101 is improved. As a result, the user can more easily grasp the shape of the urinary incontinence pad 101 and handle it more easily. On the other hand, the user can visually check the area around the urethral opening 91 through the clear portion 25, so they can accurately grasp the position of the target (urethral opening 91) to which the mark 7 should be aligned and then attach the main body portion 2 to the vaginal vestibule 92.
[0090] In the example shown in Figure 21A, mark 7 is defined as the boundary line between the clear portion 25 and the surrounding portion 26. In this example, the portion of the main body 2 enclosed by mark 7 is configured as the clear portion 25. On the other hand, as shown in Figure 21B, mark 7 may be provided separately from the boundary line between the clear portion 25 and the surrounding portion 26.
[0091] The method for forming the clear portion 25 and the peripheral portion 26 on the main body 2 is not particularly limited, but for example, the method shown in Figures 21C and 21D can be considered. Figure 21C is a cross-sectional view taken along line XXI-XXI of Figure 21A. In this example, the clear portion 25 is formed by attaching a transparent or translucent sheet (film) 27 to a predetermined position on a transparent or translucent adhesive layer 20. The clear portion 25 consists of the sheet 27 and the portion of the adhesive layer 20 that overlaps with the sheet 27. On the other hand, the peripheral portion 26 is formed by attaching a sheet (film) 28 to the remaining portion of the adhesive layer 20 where the sheet 27 is not attached, so as to surround the sheet 27. The sheet 28 is a sheet with lower light transmittance than the sheet 27 and is a sheet with holes cut to match the shape of the clear portion 25. The peripheral portion 26 consists of the sheet 28 and the portion of the adhesive layer 20 that overlaps with the sheet 28.
[0092] Figure 21D is another cross-sectional view taken along line XXI-XXI of Figure 21A. In this example, a transparent or translucent sheet (film) 29 is attached so as to cover the entire surface of a transparent or translucent adhesive layer 20. Then, a peripheral portion 26 is formed by attaching a less light-transmitting sheet 28 to a predetermined position on the surface of the sheet 29 opposite to the adhesive layer 20. The sheet 28 is a sheet with holes cut to match the shape of the clear portion 25. The peripheral portion 26 is composed of the sheet 28 and the portions of the adhesive layer 20 and sheet 29 that overlap with the sheet 28. On the other hand, the clear portion 25 is composed of the adhesive layer 20 and the portions of sheet 29 that do not overlap with sheet 28.
[0093] Furthermore, not only the main body portion 2 of the second embodiment, but also the entire or partial main body portions 2,202 of the first and third embodiments may be configured to be translucent. Conversely, the entire main body portion 2 of the second embodiment may be configured to be opaque.
[0094] [4-10] In the second and third embodiments, tab 3 may be omitted.
[0095] [4-11] In the second embodiment, mark 7 may be omitted from the urinary incontinence pad 101. Also, in the third embodiment, mark 32 may be omitted from the urinary incontinence pad 201.
[0096] [4-12] The shape of the extension 31 is not limited to the above-described shape, as long as it allows the cover 30 to be positioned at the urethral opening 91, starting from the clitoris 96. For example, the extension 31 may be a string of a length corresponding to the distance between the clitoris 96 and the urethral opening 91, or it may be a string with a sheet having an adhesive layer attached to its tip for sticking to the clitoris 96.
[0097] [4-13] In the second embodiment, only one tab is provided on the surface 2A of the main body 2, but multiple tabs may be provided. In this case, the user can select the tab they find easiest to use or use multiple tabs, making it easier to attach and detach the urinary incontinence pad 101. For example, as shown in Figures 22A to 23B, a second tab 6 may be provided in addition to the tab 3 described above. The second tab 6 also rises from the surface 2A of the main body 2. Note that in Figures 22A to 23B, for simplicity, only the surface 2A of the main body 2 is shown.
[0098] The second tab 6 (more precisely, the boundary line L3 between the second tab 6 and the main body 2, extending along the base of the second tab 6 to the main body 2) may extend parallel to tab 3 (boundary line L1) in the same direction on the surface 2A of the main body 2, or it may extend in a different direction. In the latter case, the user can select the direction of operation by selecting the tab. For example, as shown in Figures 22A to 23B, if tab 3 (boundary line L1) extends in the horizontal direction, the second tab 6 (boundary line L3) may be configured to extend in the vertical direction. In this case, the second tab 6 (boundary line L3) may extend substantially parallel to the vertical direction, or it may extend at an angle to the vertical direction. When viewed from a direction perpendicular to the surface 2A of the main body 2, tab 3 and the second tab 6 may intersect in a cross shape, as shown in Figures 22A and 22B, or they may form a T shape, as shown in Figures 23A and 23B. In Figures 22A to 23B, tab 3 is divided into left and right halves, with a notch where the second tab 6 is inserted, at a position where it intersects with the second tab 6.
[0099] In Figures 22A and 23A, tabs 3 and 2nd tab 6 are upright on the surface 2A of the main body 2 so that the user can grasp them when attaching or detaching the urinary incontinence pad 101. On the other hand, Figures 22B and 23B show the urinary incontinence pad 101 being worn, and of tabs 3 and 2nd tab 6, only tab 3, which extends horizontally, is folded along the surface 2A of the main body 2. The second tab 6, which extends vertically, can be positioned between the left and right labia minora 95 even if it remains upright while the urinary incontinence pad 101 is being worn, thereby reducing discomfort during wear. Therefore, the second tab 6, which extends vertically, may be fixed in an upright position and not foldable. Alternatively, the second tab 6, which extends vertically, may be foldable along the surface 2A of the main body 2 so that the user can arbitrarily accommodate it between the vaginal vestibule 92 and the labia minora 95.
[0100] Furthermore, this modified example is also applicable to tab 3 according to the third embodiment. [Explanation of symbols]
[0101] 1,101,201 urinary incontinence pads 2,202 Main body 2A,202A surface 2B,202B back side 2P outer edge 3 tabs 4. Release film 5 pouches 6. Second Tab 7 marks 10 Base material 10A surface 10B back side 20 Adhesive layer 21 Part 1 22 Part 2 25 Clear part 26 Peripheral area Seats 27, 28, 29 30 Cover section 31 Extension 31A surface 31B back side 32 marks 33 Adhesive layer 90 Vulva 91 Urethral meatus 92 Vaginal vestibule 93 Vaginal opening 94 Labia majora 95 Labia minora 96 clitoris 96A Clitoral body 96B Clitoral glans A1 1st area A2 2nd area C1 Part of the main body that should cover the urethral opening The portion of the C2 extension that should overlap the clitoris. G center of gravity L1~L3 boundary line
Claims
1. A urinary incontinence pad that is attached to the urethral opening, The main body has a back surface that is in contact with the vaginal vestibule so as to close the urethral opening, and a front surface opposite to the back surface. Equipped with, The aforementioned reverse side is, Having adhesive properties that allow it to be attached to the vaginal vestibule, a first region covering the portion of the vaginal vestibule surrounding the urethral opening, A second region is located on the outer edge of the back surface and has lower adhesiveness than the first region. Includes urinary incontinence pads.
2. The main body is, Substrate and An adhesive layer disposed on the substrate and forming the back surface including, The urinary incontinence pad according to claim 1.
3. The adhesive layer includes a first portion that overlaps with the first region and a second portion that overlaps with the second region when viewed from a direction perpendicular to the surface. When the urinary incontinence pad is attached to the urethral opening, and the direction from the user's back to their abdomen is defined as the longitudinal direction, the second portion is formed in a number of striates extending in the longitudinal direction. The urinary incontinence pad according to claim 2.
4. The adhesive layer includes a first portion that overlaps with the first region and a second portion that overlaps with the second region when viewed from a direction perpendicular to the surface. The thickness of the first part is greater than the thickness of the second part. The urinary incontinence pad according to claim 2.
5. The main body is provided with a guide portion for aligning the main body with respect to the urethral opening when the user attaches the main body to the vaginal vestibule. A urinary incontinence pad according to any one of claims 1 to 4.
6. The guide portion includes a mark that can be perceived by the user visually or tactilely from the surface side. The urinary incontinence pad according to claim 5.