JP5864835B2 - Incontinence underwear - Google Patents

Description

  The present invention relates to an incontinence undergarment that can absorb urine during incontinence.

  In recent years, various incontinence underwear that can absorb urine during incontinence have been proposed. For example, Patent Document 1 discloses incontinence underwear in which a waterproof fabric, a water retaining material, and a surface fabric are laminated in this order on the crotch portion of the underwear. In this incontinence underwear, the surface fabric is formed of a water-repellent material to prevent the urine absorbed in the water retaining material from returning to the surface fabric side. Patent Document 2 discloses an incontinence undergarment that uses a net-like surface fabric to reduce contact between the skin and the undergarment and reduce stickiness due to urine.

JP-A-8-56974 Japanese Patent Laid-Open No. 10-60703

  By the way, the incontinence underwear as described above is required to smoothly and quickly absorb urine from the surface fabric at the time of incontinence and not to reverse. However, the incontinence undergarments in the above patent documents are still insufficient to achieve this purpose, and further improvements have been desired.

  The present invention has been made to solve the above-described problems, and provides an incontinence undergarment that can smoothly absorb urine during incontinence and that can prevent reversion to the skin side. Objective.

An incontinence undergarment according to the present invention is an undergarment body having a crotch part, a liquid-absorbing member disposed on the side facing the inside of the undergarment body in the crotch part, having water retention, and disposed on the liquid-absorbing member. A sheet-like surface member having liquid permeability, and at least one coupling means that extends along a longitudinal direction of the crotch portion and couples the surface member and the liquid absorbing member. And at least one each on both sides of a center line extending in the longitudinal direction of the crotch part and passing through the center in the width direction of the crotch part. The distance between the close coupling means is 22.5 mm or less, and the coupling means extends in a curved shape extending from the front side toward the rear side along the both side edges of the crotch portion, The result Front and rear ends of the unit are respectively terminate short of the longitudinal front and rear end portions of the crotch portion, between the front end portion of the crotch portion and the front end portion of said coupling means and, A gap is formed between the rear end portion of the coupling means and the rear end portion of the crotch portion .

  According to this configuration, since the surface member and the liquid absorbing member are coupled by the coupling means extending in the longitudinal direction of the crotch portion, the following effects can be obtained. That is, it is possible to prevent the surface member from being displaced from the liquid absorbing member or to be lifted by the coupling means, and it is possible to maintain the close contact state of both members. Therefore, urine absorbed from the surface member can be smoothly transferred to the liquid absorbing member. As a result, it is possible to prevent urine from remaining on the surface member and causing discomfort to the user. In addition, since the coupling means extends in the longitudinal direction of the crotch portion, it can help the absorbed urine diffuse in the longitudinal direction of the crotch portion. Therefore, since urine does not stop at a specific portion of the liquid-absorbing member, it is possible to suppress urine from returning due to a wearer's movement or body pressure.

The coupling means may be formed so as to extend in the longitudinal direction of the crotch portion, and can take various forms such as a linear shape, a dot shape, a broken line shape, and a waveform. Further, the coupling means passes through the center in the width direction of the crotch portion, across the center line extending in the longitudinal direction of the crotch portion, on both sides, can be provided at least one by one. At this time, the distance between the center line and the coupling means closest to the center line is preferably 22.5 mm or less, more preferably 7.5 to 22.5 mm, and more preferably 12.5 to More preferably, it is 20 mm. By doing in this way, urine absorbed in the vicinity of the center line can be diffused in a wide range of the liquid absorbing member while ensuring the adhesion between the surface member and the liquid absorbing member. Therefore, since urine does not stay in the specific part of the liquid absorbing member, it is possible to effectively suppress reversion.

Further , a gap S can be formed between the front end portion of the coupling means and the front end portion in the longitudinal direction of the crotch portion . Thereby, the urine diffused along the coupling means can be prevented from diffusing up to the front end portion of the crotch portion.

  The coupling means can be formed by various methods such as an adhesive, thermocompression bonding, and fusion. For example, the coupling means can be formed by sewing. In this way, even if the incontinence undergarment is repeatedly washed, it is possible to prevent the coupling means from being destroyed. Moreover, since a thread | yarn is used for a connection, the touch is good and it can be used without a sense of incongruity.

  In addition, for example, when the surface member and the liquid absorbing member are formed of fibers, the coupling means may be formed by any of the above methods, and the surface in the formed coupling means portion. It is preferable that the fiber density of the member and the liquid absorbing member is higher than that of other portions. By doing so, urine can easily move along the portion of the coupling means having a high fiber density by capillary action, so that urine can be smoothly transferred from the surface member to the liquid absorbing member in the vicinity of the coupling means. In addition, urine can be diffused along the coupling means in the longitudinal direction of the crotch portion.

  When the coupling means is formed by sewing, it is preferable to form the stitches so as to extend substantially parallel to the longitudinal direction of the crotch portion. By doing so, it is possible to promote diffusion of urine along the stitch in the longitudinal direction of the crotch portion.

  In the incontinence undergarment, the surface member is not particularly limited as long as the surface member is a material having liquid permeability. For example, a hydrophilic layer disposed on the liquid absorbing member side and formed of hydrophilic fibers, and an undergarment body Can be formed with a hydrophobic layer formed of fibers having hydrophobicity.

  According to this structure, since the hydrophobic layer is formed in the part which contacts skin, urine becomes difficult to remain on the surface of a surface member. Therefore, stickiness can be prevented and a good feeling of use can be imparted. On the other hand, since the hydrophilic layer is in close contact with the hydrophobic layer, urine in the hydrophobic layer can be easily guided to the hydrophilic layer side, and urine can be more smoothly transferred from the surface member to the liquid absorbing member. Further, according to this configuration, even if urine reversal occurs due to the wearer's movement or body pressure, the urine that has returned to the surface member immediately moves from the hydrophobic layer to the hydrophilic layer, thus maintaining a good feeling of use. be able to.

  In the present invention, it is preferable that a liquid-impermeable layer for preventing liquid leakage is provided below the liquid-absorbing member. Such a layer can be formed, for example, by making the crotch part liquid impervious by water repellent treatment, or by laminating a resin or the like on the surface facing the underwear body of the liquid absorbing member, It can also be formed by disposing a sheet-like liquid-proof member having liquid impermeability between the liquid-absorbing member.

  According to the incontinence undergarment according to the present invention, it is possible to smoothly absorb urine at the time of incontinence and to prevent reversion to the skin side.

It is a front view of the underwear for incontinence which concerns on one Embodiment of this invention. FIG. 2 is a development view of the incontinence undergarment in FIG. 1. It is the sectional view on the AA line of FIG. It is a figure which shows the pattern of the sewing part in an Example and a comparative example.

  Hereinafter, an embodiment of an incontinence undergarment according to the present invention will be described with reference to the drawings. FIG. 1 is a front view of an incontinence undergarment according to the present embodiment, and FIG. 2 is a development view of the incontinence undergarment of FIG. In the following description, the direction perpendicular to the paper surface of FIG. 1 is referred to as the front-rear direction, and the direction is defined as “front” in front of the paper surface and “back” in the opposite direction. In addition, on the basis of the vertical direction in FIG. 1, they are referred to as “upper” and “lower”.

  As shown in FIG. 1, this incontinence underwear is formed in a women's shorts shape, and is formed by a front cloth part 1, a rear cloth part 2, a pair of side parts 3, and a crotch part 4. It has a body. And the liquid absorption part 5 which absorbs urine is arrange | positioned inside the crotch part 4 so that it may mention later. The crotch part 4 connects lower ends of the front cloth part 1 and the rear cloth part 2, and foot holes 6 are formed on both sides of the crotch part 4. As shown in FIG. 2, the crotch portion 4 is formed in a trapezoidal shape that spreads from the front side toward the rear side, and the side edge adjacent to the foot hole 6 is formed in a curved shape that curves inward. Yes. Further, the rear end edge of the crotch portion 4 has a curved shape that is convex to the rear side. In addition, the underwear main body including the crotch part 4 is formed of a general knitted fabric as shorts.

  Next, the liquid absorption part will be described in detail with reference to FIG. 3 is a cross-sectional view taken along line AA in FIG.

  As shown in FIG. 3, the liquid absorption part 5 has a liquid-proof member 51, a liquid absorption member 52, and a surface member 53, and is arranged in this order on the upper surface of the crotch part 4. These members are formed in a substantially trapezoidal shape corresponding to the shape of the crotch portion 4, and the outer peripheral edges of the surface member 53 and the liquid-proof member 51 are respectively sewn to the outer peripheral edges of the crotch portion 4. Further, the surface member 53 and the liquid absorbing member 52 are coupled by a sewing portion 54 (coupling means) configured by sewing a plurality of threads.

  The surface member 53 has an action of quickly absorbing urine and diffusing it into the liquid absorbing member 52. The material constituting the surface member 53 is not particularly limited as long as it is liquid permeable, such as a woven fabric or a knitted fabric, and may be formed of one layer or a plurality of layers. For example, the surface member 53 can be formed of two layers, and the upper layer (hydrophobic layer) can be formed of fibers having hydrophobicity, and the lower layer (hydrophilic layer) can be formed of fibers having hydrophilicity. By forming in this way, the upper layer makes it difficult for urine to remain on the surface of the surface member 53, preventing stickiness and giving a good feeling of use. Further, since the lower layer is in close contact with the upper layer, urine in the upper layer can be easily guided to the lower layer side, and urine can be more smoothly transferred from the surface member 53 to the liquid absorbing member 52. Further, according to this configuration, even if the urine reverts due to the wearer's movement or body pressure, the urine that has returned to the surface member 53 immediately shifts from the hydrophobic layer to the hydrophilic layer, thus maintaining a good feeling of use. can do. In this case, for example, it can be formed of a pile knitted fabric having an upper layer made of polyester and a lower layer made of cotton.

  The liquid absorbing member 52 is a member for holding urine that has passed through the surface member 53, and is disposed between the surface member 53 and the liquid-proof member 51, and has a slightly smaller shape than both the members 51 and 53. doing. Although the material which comprises the liquid absorption member 52 will not be specifically limited if it is a material with water absorption and a water retention effect | action, For example, it may form with materials, such as well-known cotton, rayon, and a super absorbent polymer (SAF). It can also be a knitted fabric, a woven fabric, or a non-woven fabric. Further, it can be formed of a known material to which a deodorizing and moisture absorbing function is added.

  The liquid-proof member 51 prevents urine absorbed by the liquid-absorbing member 52 from leaking to the crotch portion 4 side, and is formed of a liquid-impermeable material. The material constituting the liquid-proof member 51 is not particularly limited as long as it has liquid impermeability, and may be formed of one kind or two or more kinds of materials. For example, the lower surface of a known woven fabric such as polyester can be formed by applying a water repellent treatment with polyurethane or the like.

  Next, the sewing portion 54 will be described. As described above, the sewn portion 54 is formed so as to connect the surface member 53 and the liquid absorbing member 52 by sewing with a thread, and as shown in FIG. It extends in the (longitudinal direction). In this example, two sewing portions 54 are formed along the front-rear direction of the crotch portion 4. More specifically, one sewn portion 54 is disposed on each side of a center line L that passes through the center of the crotch portion 4 in the width direction and extends in the front-rear direction. Each sewn portion 54 extends in a slightly curved shape along both side edges of the crotch portion 4, and the front end terminates in front of the front edge of the crotch portion 4. That is, as shown in FIG. 2, a gap S is formed between the front end of the sewn portion 54 and the front end of the crotch portion 4, so that the absorbed urine flows along the sewn portion 54. The front edge of the part 4 is not reached. The rear end of the sewn portion 54 can be formed in the same manner.

  Further, as described above, each sewing portion 54 is arranged at a position sandwiching the center line L, but the distance T between the sewing portion 54 and the center line L is the shortest position, 22 0.5 mm or less, preferably 7.5 to 22.5 mm, more preferably 12.5 to 20 mm. By setting it as such a range, urine absorbed in the vicinity of the center line L can be diffused in a wide range of the liquid absorbing member 52 while ensuring the adhesion between the surface member 53 and the liquid absorbing member 52. Thereby, since urine does not remain in the specific part of the liquid absorption member 52, it is possible to effectively suppress reversion.

  Moreover, in the sewing part 54, the surface member 53 and the liquid absorption member 52 are clamped, and the fiber density is high compared with other parts. For this reason, it becomes easy to move urine along the sewing part 54 vicinity with high fiber density by capillary action. Therefore, urine is smoothly transferred from the surface member 53 to the liquid absorbing member 52 in the vicinity of the sewing portion 54 and is effectively diffused along the sewing portion 54 in the longitudinal direction of the crotch portion 4.

  Next, the action of absorbing urine in the incontinence undergarment configured as described above will be described. When urine is discharged due to incontinence, the urine is absorbed from the surface member 53 and absorbed into the liquid absorbing member 52. At this time, urine is diffused in the surface direction in which the liquid absorbing member 52 is disposed, but in particular, is diffused in the front-rear direction by the sewing portion 54. Therefore, since urine does not remain in the specific part of the liquid absorbing member 52, it is possible to suppress the urine from returning to the surface member 53 side from the liquid absorbing member 52. Further, since the liquid-proof member 51 is disposed below the liquid-absorbing member 52, urine is prevented from leaking from the liquid-absorbing member 52 to the crotch portion 4.

  As described above, according to the present embodiment, the surface member 53 and the liquid absorbing member 52 are coupled by the sewing portion 54 that extends in the front-rear direction of the crotch portion 4, and thus the surface member 53 is the liquid absorbing member 52. It is possible to prevent the two members from being separated from each other or to be lifted, and to maintain the close contact state of both members. Therefore, urine absorbed from the surface member 53 can be smoothly transferred to the liquid absorbing member 52. As a result, it is possible to prevent urine from remaining on the surface member 53 and causing discomfort to the user.

  As mentioned above, although one embodiment was described in the present invention, the present invention is not limited to the above-mentioned embodiment, and various changes are possible without departing from the gist thereof. For example, in the above-described embodiment, one sewing part 54 is provided on each side of the center line L, but a plurality of sewing parts 54 may be provided. Moreover, the sewing part 54 does not need to be continuously formed in the front-rear direction of the crotch part 4, and if it is formed along the front-rear direction, it is divided into a part in the front-rear direction, for example, at a plurality of locations. As long as it is provided. The way of sewing in the sewn portion 54 is not particularly limited, but it is preferable that the stitch 541 extends substantially parallel to the longitudinal direction of the crotch portion 4. This is because urine may spread in the width direction if each stitch 541 extends in the width direction even if the sewing portion 54 extends in the front-rear direction.

  Moreover, in the said embodiment, although the surface member 53 and the liquid absorption member 52 are couple | bonded by the sewing part 54, in addition to the sewing by a thread | yarn, the liquid absorption member 52 is used using an adhesive agent, heat sealing | fusion, etc. The surface member 53 can also be coupled.

  Furthermore, in the said embodiment, although the surface member 53, the liquid absorption member 52, the liquid-proof member 51, and the crotch part 4 of the underwear main body are laminated | stacked in order, the urine absorbed by the liquid absorption member 52 transfers to the underwear main body side. If this can be prevented, this configuration is not necessarily required. For example, the crotch portion 4 of the underwear main body may be omitted and the liquid-proof member 51 may be the crotch portion 4 of the underwear main body. If the crotch portion 4 of the underwear main body is water repellent treated, The liquid member 51 can also be omitted.

  Examples of the present invention will be described below. However, the present invention is not limited to the following examples. Here, the performance was evaluated using seven types of examples and one type of comparative example to be compared. In each embodiment, the coupling means is constituted by the sewing portion, but the sewing pattern is different. Further, the comparative example does not have a coupling means such as a sewn portion, and the surface member and the liquid absorbing member are not coupled. And the other underwear main body and the shape and material of a liquid absorption part are common. First, the material will be described.

２．縫着部
縫着部の形状は、図４に示す通りである。実施例１は中心線に沿って１本の縫着部が形成されており、実施例２，３，５，６，及び７では、中心線を挟んで２本の縫着部が設けられている。これらの実施例では、中心線と縫着部との間の最も短い距離が相違している。また、実施例４は、中心線に沿う縫着部と、その両側に一対の縫着部が配置されている。
３．評価実験
上記実施例及び比較例を用いて、逆戻り試験を行った。すなわち、生理食塩水を３ml吸収させた後、１分間放置し、１０枚のろ紙と１kgの錘を１分間のせ、ろ紙に移った生理食塩水の重さの割合を測定した。各実施例及び比較例について、それぞれ３回ずつ実験を行った。結果は、以下の通りである。

1. material

2. The shape of the sewn portion sewn portion is as shown in FIG. In the first embodiment, one sewing portion is formed along the center line. In the second, third, fifth, sixth, and seventh embodiments, two sewing portions are provided across the center line. Yes. In these embodiments, the shortest distance between the center line and the sewn portion is different. In Example 4, a sewn part along the center line and a pair of sewn parts are arranged on both sides thereof.
3. Evaluation experiment A reversion test was performed using the above-described Examples and Comparative Examples. That is, after 3 ml of physiological saline was absorbed, it was allowed to stand for 1 minute, 10 filter papers and 1 kg weight were placed for 1 minute, and the weight ratio of the physiological saline transferred to the filter paper was measured. For each example and comparative example, the experiment was performed three times. The results are as follows.

According to this result, it has been found that by providing the sewn portion, reverse reversal is effectively prevented. Further, as shown in Examples 2 to 6, at least one sewn portion is provided on both sides of the center line and the distance from the center line is 22.5 mm or less, the effect is further improved. Reversion was prevented. Furthermore, if the distance between the center line and the sewn portion provided on both sides of the center line is in the range of 12.5 to 20 mm, the reversion rate will be 3% or less, and reversion will be prevented more effectively. (Examples 3-5).
Further, when the test was performed with the amount of physiological saline changed to 1.5 ml and 5 ml, results showing the same tendency as in Table 2 were obtained.

4 Crotch part 51 Liquid-proof member 52 Liquid-absorbing member 53 Surface member 54 Sewn part

Claims (4)

An underwear body having a crotch part;
A liquid-absorbing member that is disposed on the side facing the inside of the underwear body in the crotch portion and has water retention;
A sheet-like surface member disposed on the liquid-absorbing member and having liquid permeability;
Extending along the longitudinal direction of the crotch portion, and comprising at least one coupling means for coupling the surface member and the liquid absorbing member,
Said coupling means, across the center line extending the center of the width direction of the crotch portion in the longitudinal direction of passing vital the crotch portion, on both sides, is provided at least one by one,
A distance between the center line and the coupling means closest to the center line is 22.5 mm or less;
The coupling means extends along the both side edges of the crotch part in a curved shape extending from the front side toward the rear side, and the front end part and the rear end part of the coupling means are in the longitudinal direction of the crotch part. The front end portion and the rear end portion of the coupling means, respectively , between the front end portion of the coupling means and the front end portion of the crotch portion , and the rear end portion of the coupling means and the rear end portion of the crotch portion. Underwear for incontinence , with a gap formed between them .   The incontinence undergarment according to claim 1, wherein the coupling means is formed by sewing.   The incontinence undergarment according to claim 2, wherein the stitches constituting the coupling means extend substantially parallel to the longitudinal direction of the crotch portion. The surface member is
A hydrophilic layer disposed on the liquid-absorbing member side and formed of a hydrophilic fiber;
The incontinence undergarment according to any one of claims 1 to 3, further comprising a hydrophobic layer facing the inside of the undergarment body and formed of a hydrophobic fiber.

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