WO2021210569A1 - Waterproof sheet - Google Patents

Abstract

Provided is a waterproof sheet that can surely prevent excrement from adhering not only to clothes and bedding laid under the body of a care receiver but also to clothes covering the front surface of the body.　The waterproof sheet (1) is formed by overlapping a first cloth (5) having water absorption and a second cloth (6) having a waterproof property, and comprises: a quadrangular sheet body (2) that is surrounded by a first side (2a) and a fourth side (2d); a first engagement part (3) provided in the first cloth (5); and a second engagement part (4) that is provided in the second cloth (6) and engaged with the first engagement part (3), wherein the sheet body (2) is attached to the inside of the clothes of the care receiver in a state in which the first cloth (5) side is directed toward a trunk side of the care receiver and is wrapped around the trunk so that the first side (2a) and a second side (2b) are along the body axis of the care receiver.

Description

Tarpaulin

The present invention relates to a waterproof sheet for preventing excrement from penetrating into clothes, sheets, etc., and particularly relates to a waterproof sheet that is wrapped around the body of a care recipient.

Conventionally, bedridden care recipients are equipped with a flat diaper and a waterproof cover that covers the diaper in an attempt to prevent excrement such as urine from leaking out of the cover.
However, excrement may leak from the gap between the cover and the torso and the gap between the legs, and the leaked material completely adheres to and permeates the care recipient's clothes, bed sheets, and comforters. Could not be prevented. Therefore, the care recipient's clothes are exchanged to clean the body, and the bed sheets and the like are frequently exchanged, which is a burden on both the care recipient and the caregiver.
Therefore, in recent years, a technique for preventing the leaked matter from adhering to clothes, bed sheets and the like has been developed, and some inventions or inventions have already been disclosed.

Patent Document 1 discloses a device relating to a waterproof sheet for the purpose of preventing stains on the bed under the name of "waterproof sheet".
Hereinafter, the invention disclosed in Patent Document 1 will be described. The invention disclosed in Patent Document 1 is a substantially square waterproof sheet including a laminated front sheet material and a back sheet material, the front sheet material is formed of a towel cloth, and the back sheet material is made of a material having a waterproof function. It is characterized by being formed.
In the device having such a feature, the waterproof sheet is spread on the bedding with the surface sheet material of the towel cloth facing upward, and the care recipient wearing the nightwear is laid down on the bedding. Therefore, the feel of the surface sheet material and the comfort of sleeping can be improved. In addition, by forming the back sheet material with a material having a waterproof function, it is possible to minimize the dirt on the bedding when food and drink are spilled or when urine leaks, etc., and it is possible to replace the dirty bedding. The burden can be reduced.

Next, Patent Document 2 discloses an invention relating to a waterproof sheet for the purpose of preventing stains on the bed under the name of "waterproof sheet for nursing care".
Hereinafter, the invention disclosed in Patent Document 2 will be described. The invention disclosed in Patent Document 2 comprises arranging a water absorbent having a size smaller than that of the waterproof sheet at the center of a waterproof sheet long in the width direction, and the water absorbent is a water absorbent paper containing a mixture of a polymer absorbent and pulp. It is characterized by being covered with.
In the invention having such characteristics, the waterproof sheet is spread with the water absorbent body facing upward at an appropriate position of the bed, and both ends of the waterproof sheet are woven and fixed between the bed mat and the bed. Then, the care recipient wearing clothes is laid down on the water absorbent body for use. Therefore, since the waterproof sheet is firmly fixed at an appropriate position on the bed, misalignment and loosening such as wrinkles are unlikely to occur. In addition, the leaked excrement quickly spreads to the front surface of the absorber and is absorbed by the polymer absorbent. Therefore, since the excrement is not re-released due to pressure or the like, the bed mat can be protected from contamination.

Utility Model Registration No. 3162957 JP-A-2018-83032

However, in the invention disclosed in Patent Document 1, since a waterproof sheet is laid under the care recipient's body for use, the excrement leaked to the back surface of the care recipient causes clothing on the back surface of the care recipient. Cannot be prevented from getting dirty. In addition, since the excrement leaked to the front surface of the care recipient cannot be absorbed, it is not possible to prevent the clothes, the bed sheets, and the comforter that cover the front surface from becoming dirty. Therefore, it is still necessary to replace clothes and hanging sheets, and it is considered that it cannot be said that the dirt on the bedding could be kept to a minimum. Especially when changing clothes, the care recipient must be naked once, which may cause a cold or a cold in the cold winter.

Next, it is considered that the invention disclosed in Patent Document 2 also has the same problems as the invention disclosed in Patent Document 1 because it is used by laying a tarpaulin under the body of the care recipient. Be done.

The present invention has been made in response to such conventional circumstances, and is applied not only to the clothes and bedding laid under the care recipient's body, but also to the clothes covering the front surface of the care recipient and the front surface thereof. It is an object of the present invention to provide a waterproof sheet that can reduce the burden on both the care recipient and the caregiver in order to surely prevent the excrement from adhering to the hung bedding.

In order to achieve the above object, in the first invention, the first cloth having water absorption and the second cloth having waterproof property are overlapped with each other and face the first and second sides facing each other. A quadrangular sheet body surrounded by the third and fourth sides, a first fastening portion provided on the first cloth, and a first fastening portion provided on the second cloth and fastened to the first fastening portion. A second engagement portion is provided, the first engagement portion is arranged near the first side or the second side, and the second engagement portion is near the first side and the second. Of the two sides, the first engagement portion is arranged on the side where it is not arranged, and the seat body is covered with the first cloth side so that the first and second sides are along the body axis of the care recipient. It is characterized in that it is worn inside the clothes of the care recipient in a state of being directed to the body side of the caregiver and wrapped around the body.

In the invention of such a configuration, since the seat body is worn by being wrapped around the body so that the first and second sides are along the body axis of the care recipient, the third and fourth sides are In each case, it is necessary to have a length of one round or more around the torso of the care recipient of an average body shape. Desirably, the third and fourth sides can form a mating portion covering the abdomen by overlapping the first side portion and the second side portion of the sheet body. It is good to have a length. This is to prevent the leaked material from the front surface of the care recipient from adhering to and permeating the hanging sheets and the like.
Further, since the seat body is attached to the inside of the clothes of the care recipient, it is possible to prevent the clothes covering the front surface as well as the back surface of the care recipient from being soiled by leaks.
Further, as the first and second engaging materials, for example, a surface fastener, a wire fastener, a point fastener, and a string body are used.
In addition, "waterproofness" in the present application is synonymous with the definition of "waterproof sheets" described in JIS standard L4212, "there is a waterproof function used to prevent excrement from penetrating into the mattress or bed". be.

In the invention having the above configuration, the seat body is arranged between the diaper cover and the clothes, and the first cloth side of the seat body is wound so as to face the body side, and then the seat body is wound with the first engaging portion. When the second engaging portions are attached to each other, the seat body is in a state of covering the torso of the care recipient over the entire circumference. As a result, the leaked material leaked from the gap between the cover and the torso worn by the care recipient and the gap between the legs is completely absorbed by the first cloth.
In addition, since the absorbed leak does not permeate the second cloth, it is prevented from adhering to the clothes, bed sheets, hanging sheets, etc. of the care recipient and permeating.

Next, in the second invention, in the first invention, a third cloth is provided on the first side and the second side of the sheet body, respectively, and the first cloth is made of at least cotton fibers. The second cloth is characterized by containing a waterproof resin component, and the third cloth is composed of cotton fibers and synthetic fibers.
In the invention having such a configuration, as the first cloth, for example, a towel cloth made of only water-absorbent fibers such as cotton fibers and a blended cloth made of cotton fibers and synthetic fibers are used.
Further, as the second cloth, for example, a cloth made of a synthetic resin fiber having a waterproof property or a cloth body made of a base material made of a non-waterproof fiber coated with a waterproof resin component is used. ..
Further, when the sheet body is wrapped around the body of the care recipient, the third cloth is formed by overlapping the first side portion and the second side portion of the sheet body. It is provided in the mating part.

In the invention having the above structure, in addition to the action of the first invention, since the first cloth is made of at least cotton fibers, the water absorption is good and the flexibility is also good.
Further, since the second cloth contains a waterproof resin component, the permeation of the moisture absorbed by the first cloth is prevented. Further, since the third cloth is composed of cotton fibers and synthetic fibers, by selecting the type of synthetic fibers, in addition to the high water absorption of the cotton fibers, for example, the strength and morphology of the above-mentioned mating portion. Sustainability can be improved.

Subsequently, in the third invention, in the first or second invention, a covering portion for covering at least the first cloth is formed on each of the first to fourth sides, and the covering portion has waterproof property. It is characterized by that.
In the invention of such a configuration, the covering portion has a folding structure in which the second cloth is folded to the side of the first cloth and the first cloth is sandwiched between the two second cloths, as well as the first and the first. It is conceivable that a cloth body different from the second cloth sandwiches both the first and second cloths and covers them.
In the invention having the above configuration, in addition to the action of the first or second invention, at least the first cloth is covered with a waterproof covering portion, so that the excrement once absorbed by the first cloth is discharged. It is prevented from seeping out of this first cloth.

Further, in the fourth invention, in the first or second invention, a plurality of fixing members for fixing the four corners of the square-shaped flat diaper are attached to the center of the first cloth. , Each of the plurality of fixing members is a piece of cloth.
In the invention having such a configuration, if it is desired to temporarily increase the amount of excrement absorbed, it is conceivable to add a flat diaper between the first cloth and the care recipient. In this case, fixing the added diaper becomes a problem.
Therefore, in the invention having the above configuration, in addition to the action of the first or second invention, the four corners of the diaper are fixed by a plurality of fixing members, so that the diaper is wound around the body and even after that. Misalignment is prevented.

According to the first invention, since the seat body covers the body of the care recipient over the entire circumference, the leaked material leaked from the gap between the diaper cover worn by the care recipient and the body, etc. , It is possible to prevent all the absorbed leaks from being absorbed by the first cloth and further permeating through the second cloth.
Therefore, it is possible to reliably prevent excrement from adhering not only to the clothes and bedding laid under the care recipient's body but also to the clothes covering the front surface of the care recipient and the bedding hung on the front surface. Therefore, the frequency of changing clothes of the care recipient and the amount of laundry are reduced as compared with the conventional case, and the burden on both the care recipient and the caregiver can be reduced.

According to the second invention, in addition to the effect of the first invention, the first cloth that comes into direct contact with the care recipient has good water absorption and flexibility, and the second cloth allows moisture to permeate. In order to prevent the excrement, even when the excrement is absorbed by the first cloth, it is possible to reduce the discomfort when the seat body is attached and at the same time prevent the excrement from leaking out. Is.
Further, since the third cloth can improve the strength and shape retention of the mating portion, deterioration of the mating portion can be suppressed, and the product life of the third cloth can be extended even when the waterproof sheet is repeatedly washed and used. be able to.

According to the third invention, in addition to the effect of the first or second invention, the covering portion prevents excrement once absorbed in the first cloth from seeping out from the first cloth. Therefore, the leakage of excrement can be prevented more strongly.

According to the fourth invention, in addition to the effect of the first or second invention, the plurality of fixing members prevent the diaper from being displaced when the sheet body is wrapped around the body, so that excrement is produced. It is possible to prevent the added diaper from being properly absorbed and the diaper from becoming wrinkled and uncomfortable to sleep.

(A) and (b) are a plan view when the tarpaulin according to the embodiment of the present invention is viewed from the first cloth side and a plan view when viewed from the second cloth side, respectively. c) is a cross-sectional view taken along the line AA in (a), and (d) is a cross-sectional view taken along the line BB in (a). It is a usage state diagram of the waterproof sheet which concerns on embodiment of this invention. (A) is a plan view of the tarpaulin according to the first modification of the embodiment of the present invention when viewed from the first cloth side, and (b) is a view taken along the line CC in (a). It is a cross-sectional view, and (c) is a cross-sectional view of the tarpaulin according to the second modification of the embodiment of the present invention when viewed from the same position as the line CC in (a). (A) and (b) are plan views of the waterproof sheet according to the third and fourth modifications of the embodiment of the present invention when viewed from the first cloth side, respectively.

The waterproof sheet according to the embodiment of the present invention will be described in detail with reference to FIGS. 1 to 4. 1 (a) and 1 (b) are a plan view of the tarpaulin according to the embodiment of the present invention when viewed from the first cloth side and a plan view when viewed from the second cloth side, respectively. 1 (c) is a cross-sectional view taken along the line AA in FIG. 1 (a), and FIG. 1 (d) is a cross-sectional view taken along the line BB in FIG. 1 (a).
As shown in FIGS. 1A to 1D, the waterproof sheet 1 according to the first embodiment includes a sheet body 2, a first engaging portion 3 provided on the sheet body 2, and the first engaging portion 3. A second engagement portion 4 that is attached to the engagement portion 3 of the above is provided.
Of these, the sheet body 2 is a thermocompression bonding sheet 9A in which the first cloth 5 having water absorption and the second cloth 6 having waterproofness are shown in FIGS. 1 (c) and 1 (d). It is laminated by being bonded by thermocompression bonding via.
Further, the sheet body 2 has a rectangular shape surrounded by a first side 2a, a second side 2b, a third side 2c, and a fourth side 2d. That is, the first side 2a and the second side 2b are short sides facing each other, and the third side 2c and the fourth side 2d are long sides facing each other.
As will be described later with reference to FIG. 2, the lengths of the first side 2a and the second side 2b can both cover the knee 53 from the body 51 of the care recipient 50 having an average body shape. Has a degree of length. Further, the lengths of the third side 2c and the fourth side 2d both have a length of one or more around the body 51 of the care recipient 50 of the above-mentioned body shape. However, the ratio of the lengths of the first side 2a to the fourth side 2d may be other than the above.

Further, the sheet body 2 has a rectangular third cloth 7, which has the same area on the first side 2a of the first cloth 5 and on the second side 2b of the second cloth 6, respectively. 8 is provided. Specifically, the peripheral edge of the third cloth 7 is sewn on the first cloth 5.
Further, the entire surface of the third cloth 8 is attached to the second cloth 6 by thermocompression bonding via a thermocompression bonding sheet 9B. In this way, the reason why the third cloth 8 is thermocompression bonded to the second cloth 6 instead of being sewn is that the sewn forms minute holes in the second cloth 6 and the waterproof property is impaired. This is to avoid being struck.
As the thermocompression bonding sheets 9A and 9B, known ones are used.

Specifically, the first cloth 5 is made of, for example, a towel cloth having a loop-shaped pile. This towel cloth is formed of, for example, only cotton fibers or a blended fiber composed of synthetic fibers such as cotton fibers and polyester. When the blended fiber is used, the blending ratio of the cotton fiber and the synthetic fiber is, for example, 80% and 20% by weight.
Next, the second cloth 6 is formed by coating a base material with a waterproof resin component such as polyurethane. Further, as the base material, a cloth made of a synthetic resin such as polyester or nylon is used. In addition to this, as the second cloth 6, a cloth body made of a synthetic resin fiber having waterproof property may be used.
Further, the third cloths 7 and 8 are formed of a blended fabric made of cotton fibers and synthetic fibers such as polyester. In this case, the blending ratio of the cotton fiber and the synthetic fiber is, for example, 35% and 65% by weight. Therefore, the third cloths 7 and 8 have water absorption and are improved in strength and shape retention as compared with the first cloth 5. Further, as the third cloths 7 and 8, for example, a twill woven cloth is used.

Next, the first engaging portion 3 is arranged closer to the first side 2a and closer to the third side 2c of the first cloth 5. Specifically, the first engaging portion 3 is a hook-and-loop fastener that is arranged on the surface of the third cloth 7 and sewn to the third cloth 7 in advance. However, the first engaging portion 3 may be arranged along the entire length of the first side 2a of the first cloth 5 instead of the above.
On the other hand, the second engaging portion 4 is arranged on the side of the second cloth 6 on which the first engaging portion 3 is not arranged. Therefore, in the above case, the second engaging portion 4 is arranged closer to the second side 2b and closer to the third side 2c. In addition, the second engaging portion 4 may be arranged along the entire length of the second side 2b of the second cloth 6. The second engaging portion 4 is also a hook-and-loop fastener that is arranged so as to be overlapped on the surface of the third cloth 8 and sewn to the third cloth 8 in advance.

Subsequently, the operation of the waterproof sheet according to the embodiment of the present invention will be described with reference to FIG. FIG. 2 is a usage state diagram of the waterproof sheet according to the embodiment of the present invention. The components shown in FIG. 1 are designated by the same reference numerals in FIG. 2, and the description thereof will be omitted. In addition, the illustration of the clothes of the care recipient is also omitted.
As shown in FIG. 2, the waterproof sheet 1, sheet 2, as the first side 2a and a second side 2b extends along the body axis A _B of the care 50, first fabric 5 side to be It is attached to the inside of the clothes of the care recipient 50 in a state of being directed to the body 51 side of the caregiver 50 and wrapped around the body 51. That is, the seat body 2 is attached by being sandwiched between the diaper cover 60 worn by the care recipient 50 and the clothes with the second cloth 6 facing outward.

As a specific procedure for attaching the waterproof sheet 1, first, the first cloth 5 is laid upward and under the back and the diaper of the care recipient 50, and then a part of the sheet body 2 near the second side 2b. The first cloth 5 is hung so as to be in direct contact with the diaper cover 60 on the abdomen 52 side of the care recipient 50.
Next, the part of the first side 2a is hung on the abdomen 52 with the second cloth 6 facing up from above the part of the second side 2b. By doing so, on the abdomen 52 side of the care recipient 50, the first engagement portion 3 overlaps the second engagement portion 4, and these are engaged with each other, and the third cloth 7, A mating portion 10 in which the eights overlap each other is formed. That is, in the mating portion 10, the seat body 2 near the second side 2b, which is in contact with the diaper cover 60 of the care recipient 50, is overlapped with the seat body 2 near the first side 2a.

Therefore, when the seat body 2 is mounted on the body portion 51 of the care recipient 50 by the above mounting method, the seat body 2 covers the body portion 51 to the knee 53 of the care recipient 50 all around them. It will be in a covered state.
At this time, on the back side of the care recipient 50, the first cloth 5 surrounds the rear surface and the left and right side surfaces of the diaper cover 60.
Therefore, the leaked material leaking from the gap between the diaper cover 60 and the back of the care recipient 50 and the gap between the diaper cover 60 and the buttocks descends to the bed side, so that the back side of the care recipient 50 and the care recipient 50 are all affected. It is absorbed by the first cloth 5 wrapped around the side surfaces of the left and right bodies.
However, since the second cloth 6 is waterproof, the leaked material absorbed by the first cloth 5 wrapped around the back side or the like is prevented from penetrating the second cloth 6. .. Therefore, the leaked matter is prevented from adhering to the back side of the clothes of the care recipient 50, the bed sheets, the hanging sheets, and the like and permeating.

Further, on the abdomen 52 side of the care recipient 50, the first cloth 5 near the second side 2b comes into direct contact with the diaper cover 60, and the third cloth from the top of the second cloth 6 in this portion is further contacted. 8, the third cloth 7, and the first cloth 5 closer to the first side 2a are stacked in this order. Therefore, the leaked material leaking from the gap between the diaper cover 60 and the abdomen 52 and the gap between the diaper cover 60 and the inguinal region is completely absorbed by the first cloth 5 and the third cloths 7 and 8.
Then, the leaked material absorbed by the first cloth 5 and the third cloths 7 and 8 is prevented from being permeated by the doubled second cloths 6 and 6, so that the care recipient 50 It is prevented from adhering to and penetrating the clothes covering the abdomen 52, the hanging sheets, the hanging futon, and the like.
In addition, when the first engaging portion 3 and the second engaging portion 4 are engaged with each other, the first side 2a is held while the portion of the seat body 2 near the second side 2b is pressed. The mating portion 10 is opened by grasping and peeling off the closer portion. Therefore, the third cloths 7 and 8, which have higher strength and shape retention than the first cloth 5, are provided on the first side 2a and the second side 2b, respectively, so that the mating portion 10 can be provided. Deterioration such as kinking and breaking is suppressed.

As described above, according to the waterproof sheet 1, the care recipient 50 penetrates into the clothes, the mattress and the mattress, the mattress and the comforter, respectively, on the back side and the abdomen 52 side of the care recipient 50. Since this is prevented, the frequency of changing clothes and the amount of laundry of the care recipient 50 are reduced as compared with the conventional case, and the burden on both the care recipient 50 and the caregiver can be reduced.
Further, the body portion 51 can be covered over the entire circumference by a simple operation of winding the sheet body 2 with the first cloth 5 side facing the body portion 51 side. Therefore, even an inexperienced caregiver can quickly master the waterproof sheet 1.
Further, in this winding operation, it is not necessary for the caregiver to hold the bedridden care recipient 50. Therefore, from this point as well, the burden on both the care recipient 50 and the caregiver can be reduced.

Further, according to the waterproof sheet 1, since the first cloth 5 and the third cloth 8 come into contact with the care recipient 50, the touch is good. In addition, since the leaked material is quickly absorbed by the first cloth 5 and the third cloth 8, the leaked material adheres to the skin surface of the care recipient 50 and causes discomfort and illness. Can be prevented.
Further, since the third cloths 7 and 8 are provided, deterioration such as twisting and breaking of the mating portion 10 is suppressed, so that the waterproof sheet 1 loses its shape even when it is repeatedly attached and washed for a long period of time. It is less likely to be done, and the product life can be extended.
The waterproof sheet 1 can be easily manufactured by a method of heat welding a relatively inexpensive cloth such as a towel cloth or a waterproof cloth. Therefore, since the manufacturing cost is low, it can be expected that the waterproof sheet 1 can be easily introduced into a nursing care facility, a hospital, a general household, or the like.

Subsequently, the configuration of the waterproof sheet according to the first modification of the embodiment will be described with reference to FIGS. 3 (a) and 3 (b). FIG. 3A is a plan view of the waterproof sheet according to the first modification of the embodiment of the present invention when viewed from the first cloth side, and FIG. 3B is FIG. 3A. It is a cross-sectional view taken along the line CC. The components shown in FIGS. 1 and 2 are designated by the same reference numerals in FIGS. 3A and 3B, and the description thereof will be omitted.
As shown in FIGS. 3A and 3B, in the waterproof sheet 1A according to the first modification of the embodiment, the first side 2a to the fourth side 2d are the first cloth 5, respectively. A covering portion 11 for covering the above is formed. The covering portion 11 is formed by making the area of the second cloth 6 wider than the area of the first cloth 5 so that the second cloth 6 is folded toward the first cloth 5.

Specifically, as shown in FIG. 3B, in the covering portion 11, from the back side of the peripheral edge 5a of the first cloth 5 to the front surface, the second cloth 6 is used through the thermocompression bonding sheet 9A. It is covered. Therefore, the covering portion 11 has a foldable structure in which the peripheral edge 5a of the first cloth 5 is sandwiched between the two second cloths 6 and exhibits waterproofness. The configuration of the waterproof sheet 1A other than this is the same as the configuration of the waterproof sheet 1 according to the embodiment.

In the waterproof sheet 1A having the above configuration, since the peripheral edge 5a of the covering portion 11 has a folding structure sandwiched between the two second cloths 6, the excrement once absorbed by the first cloth 5 is collected. Exudation from the peripheral edge 5a is prevented. Further, the covering portion 11 has an action of reinforcing the thermocompression bonding between the first cloth 5 and the second cloth 6 on the first side 2a to the fourth side 2d and preventing them from being separated. Have.
Therefore, according to the waterproof sheet 1A, the covering portion 11 can more strongly prevent the leakage of excrement. Further, since the covering portion 11 prevents the first cloth 5 and the second cloth 6 from being separated from each other, it is possible to prevent the covering portion 11 from deteriorating and peeling off from each other during continuous use. The other actions and effects of the waterproof sheet 1A are the same as the actions and effects of the waterproof sheet 1 according to the examples.

Next, the configuration of the waterproof sheet according to the second modification of the embodiment will be described with reference to FIG. 3 (c). FIG. 3C is a cross-sectional view taken along the line when the waterproof sheet according to the second modification of the embodiment of the present invention is viewed from the same position as the line CC in FIG. 3A. The components shown in FIGS. 1 and 2 are designated by the same reference numerals in FIG. 3 (c), and the description thereof will be omitted.
In the waterproof sheet 1B according to the second modification of the embodiment, the first cloth 5 and the covering portion 12 covering the second cloth 6 are formed on the first side 2a to the fourth side 2d, respectively. NS. The covering portion 12 has a sandwiching structure in which a waterproof cloth body 13 different from the first cloth 5 and the second cloth 6 sandwiches the first cloth 5 and the second cloth 6. The material of the waterproof cloth 13 is the same as the material of the second cloth 6, but may be different.

Specifically, as shown in FIG. 3C, the peripheral edges 14 and 14 on which the first cloth 5 and the second cloth 6 overlap each other are formed by the waterproof cloth 13 via the thermocompression bonding sheet 15. It is thermocompression bonded. The configuration of the waterproof sheet 1B other than this is the same as the configuration of the waterproof sheet 1 according to the embodiment.
In the waterproof sheet 1B having the above configuration, the covering portion 12 has a sandwiching structure in which the waterproof cloth 13 sandwiches the first cloth 5 and the second cloth 6, and therefore has the same function as the waterproof sheet 1A. And can exert the effect.

Further, the configuration of the waterproof sheet according to the third and fourth modified examples of the embodiment will be described with reference to FIG. 4 (a) and 4 (b) are plan views of the waterproof sheet according to the third and fourth modifications of the embodiment of the present invention when viewed from the first cloth side, respectively. The components shown in FIGS. 1 to 3 are designated by the same reference numerals in FIG. 4, and the description thereof will be omitted.
As shown in FIG. 4A, in the waterproof sheet 1C according to the third modification of the embodiment, the first cloth 5 is located at the four corners 61a of the flat diaper 61 having a quadrangular shape in the substantially center thereof. Four fixing members 16 for fixing each of the four fixing members 16 are attached.
Each of the four fixing members 16 is a strip-shaped piece of cloth. These fixing members 16 are attached to the surface of the first cloth 5 in a state in which their longitudinal directions are inclined by 45 degrees with respect to the first side 2a to the fourth side 2d, respectively. Specifically, the fixing member 16 is made of, for example, cotton fiber or synthetic fiber, and its longitudinal ends 16a and 16a are sewn on the surface of the first cloth 5. _{Therefore, a gap S 16} is formed between the end portion 16a and the end portion 16a between the fixing member 16 and the first cloth 5.

In the waterproof sheet 1C having the above configuration, the four corners 61a of the diaper 61 _{are inserted into the four gaps S 16} respectively, so that the four corners 61a are fixed by the four fixing members 16. Therefore, the misalignment of the diaper 61 is prevented even when the seat body 2 is wound around the body portion 51 or when the care recipient 50 is in the supine position thereafter.
Therefore, when it is desired to temporarily increase the amount of excrement absorbed, it is possible to prevent the excrement from being not properly absorbed by the added diaper 61, or to prevent the diaper 61 from wrinkling and deteriorating sleeping comfort. ..
Further, when the amount of excrement absorbed by the first cloth 5 is reduced by properly absorbing the excrement in the added diaper 61, the frequency of washing is reduced and the degree of dirt removal is reduced. Improvement can also be expected.

Further, as shown in FIG. 4B, in the waterproof sheet 1D according to the fourth modification of the embodiment, four fixing members 17 are provided instead of the four fixing members 16 in the waterproof sheet 1C.
Each of the four fixing members 17 is a piece of cloth having a right-angled isosceles triangle shape. In these fixing members 17, the first cloth 5 is in a state where the edge portion 17a corresponding to the base of the right-angled isosceles triangle is inclined by 45 degrees with respect to the first side 2a to the fourth side 2d, respectively. It is attached to the surface of. Further, the edges 17b and 17b corresponding to the hypotenuse of the right-angled isosceles triangle are sewn on the surface of the first cloth 5. Therefore, in the edge portion 17a, a gap S ₁₇ is formed between the fixing member 17 and the first cloth 5.

In the waterproof sheet 1D having the above configuration, the four corners 61a of the diaper 61 _{are inserted into the four gaps S 17} , so that the four corners 61a are fixed by the four fixing members 17, respectively. Therefore, the waterproof sheet 1D exhibits the same action and effect as the waterproof sheet 1C. In the waterproof sheet 1D, instead of the four fixing members 17, two rectangular fixing members may be installed with a gap into which the left and right sides of the diaper 61 can be inserted.

The waterproof sheet according to the present invention is not limited to the one shown in the examples. For example, the third cloth 7 may be provided on the side of the second cloth 6 near the first side 2a of the sheet body 2. In this case, the third cloth 8 is provided on the side of the first cloth 5 near the second side 2b of the sheet body 2.
Further, the first engagement portion 3 and the second engagement portion 4 are arranged on the first side 2a and the second side 2b, respectively, in addition to being arranged along the third side 2c in the longitudinal direction thereof. It may be arranged along. Further, in the first engaging portion 3 and the second engaging portion 4, instead of the hook-and-loop fastener, a point fastener such as a snap or a string body may be used.
In addition, the first cloth 5 and the second cloth 6, the second cloth 6 and the third cloth 8 are attached with an adhesive for cloth instead of being thermocompression-bonded with the thermocompression bonding sheets 9A and 9B, respectively. As the second cloth 6, a cloth body having moisture permeability and waterproof property may be used.

The present invention can be used as a waterproof sheet that is wrapped around the torso of a care recipient or a sick person who needs nursing care.

1,1A, 1B, 1C, 1D ... Tarpaulin 2 ... Sheet body 2a ... First side 2b ... Second side 2c ... Third side 2d ... Fourth side 3 ... First engagement part 4 ... 2nd fastening portion 5 ... 1st cloth 5a ... peripheral edge 6 ... 2nd cloth 7, 8 ... 3rd cloth 9A, 9B ... thermal pressure bonding sheet 10 ... mating portion 11, 12 ... covering portion 13 ... waterproofness Cloth 14 ... Peripheral 15 ... Tarpaulin sheets 16, 17 ... Fixing members 16a ... Ends 17a, 17b ... Edge 50 ... Care recipient 51 ... Body 52 ... Abdomen 53 ... Knee 60 ... Diaper cover 61 ... Diaper 61a ... four corners

Claims (4)

1. The first cloth (5) having water absorption and the second cloth (6) having waterproof property are overlapped with each other, and face the first side (2a) and the second side (2b) facing each other. A square sheet body (2) surrounded by a third side (2c) and a fourth side (2d).
   With the first engaging portion (3) provided on the first cloth (5),
   A second engagement portion (4) provided on the second cloth (6) and anchored to the first engagement portion (3) is provided.
   The first engaging portion (3) is arranged closer to the first side (2a) or closer to the second side (2b).
   The second engagement portion (4) is arranged on the side of the first side (2a) and the second side (2b) where the first engagement portion (3) is not arranged. Being done
   The sheet body (2) has the first cloth (5) side so that the first side (2a) and the second side (2b) are along the body axis of the care recipient (50). It is characterized in that it is worn inside the clothes of the care recipient (50) in a state of facing the body portion (51) side of the care recipient (50) and being wrapped around the body portion (51). Waterproof sheet (1).
2. Third cloths (7, 8) are provided on the sheet body (2) closer to the first side (2a) and the second side (2b), respectively.
   The first cloth (5) is made of at least cotton fibers and is made of cotton fibers.
   The second cloth (6) contains a waterproof resin component and contains a waterproof resin component.
   The waterproof sheet (1) according to claim 1, wherein the third cloth (7, 8) is made of cotton fiber and synthetic fiber.
3. The first to fourth sides (2a, 2b, 2c, 2d) are formed with covering portions (11, 12) covering at least the first cloth (5), respectively.
   The waterproof sheet (1A, 1B) according to claim 1 or 2, wherein the covering portions (11, 12) are waterproof.
4. A plurality of fixing members (16, 17) for fixing the four corners (61a) of the square-shaped flat diaper (61) are attached to the center of the first cloth (5).
   The waterproof sheet (1C, 1D) according to claim 1 or 2, wherein the plurality of fixing members (16, 17) are each a piece of cloth.
   
   

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