阅读说明：本技术 纸尿裤 (Paper diaper ) 是由 筒井克志 于 2018-11-20 设计创作，主要内容包括：本发明提供能够根据婴幼儿(早产儿和低出生体重儿)的体型大小的差异而穿戴、抑制对治疗和看护造成妨碍的纸尿裤。纸尿裤(2)具备：无纺布(3),其从婴幼儿的背侧经裆部延伸至腹侧；底层片材(4),其抑制婴幼儿排出的排泄物的透过；吸收体(5),其设于无纺布(3)和底层片材(4)之间,吸收透过无纺布(3)的排泄物；及带部(6),其具有可自由拆卸地连结于无纺布(3)的连结部(63)。无纺布(3)与底层片材(4)彼此粘合部分的至少一部分形成为延伸部(31),该延伸部(31)不与吸收体(5)重叠,并从吸收体(5)的腹侧的端部进一步朝向腹侧延伸。在无纺布(3)延伸的方向上,延伸部(31)的长度(L1)比连结部(63)的长度(L2)长。(The invention provides a diaper which can be worn according to the difference of body sizes of infants (premature infants and low-birth-weight infants) and can prevent the treatment and nursing from being hindered. A diaper (2) is provided with: a nonwoven fabric (3) extending from the back side of the infant to the abdomen side through the crotch part; a back sheet (4) that inhibits the permeation of excrement discharged by infants; an absorbent body (5) which is provided between the nonwoven fabric (3) and the back sheet (4) and absorbs excrement that has passed through the nonwoven fabric (3); and a belt part (6) having a connecting part (63) detachably connected to the nonwoven fabric (3). At least a part of the portion where the nonwoven fabric (3) and the back sheet (4) are bonded to each other is formed as an extended portion (31), and the extended portion (31) does not overlap the absorbent body (5) and extends from the end portion on the stomach side of the absorbent body (5) further toward the stomach side. The length (L1) of the extension part (31) is longer than the length (L2) of the connection part (63) in the direction in which the nonwoven fabric (3) extends.)

1. A diaper characterized by comprising:

a nonwoven fabric extending from a back side of the infant through the crotch portion to a stomach side;

a back sheet that is provided on the side opposite to the infant when viewed from the nonwoven fabric, and that suppresses the permeation of excrement discharged from the infant;

an absorbent body which is provided between the nonwoven fabric and the back sheet and absorbs the excrement that has passed through the nonwoven fabric; and

a belt portion fixed to at least one of the nonwoven fabric and the back sheet, extending on both sides in a direction intersecting with a direction in which the nonwoven fabric extends, and having a connecting portion detachably connected to the nonwoven fabric,

at least a part of a portion where the nonwoven fabric and the backsheet are bonded to each other is formed as an extended portion which does not overlap with the absorbent body and which extends from an end portion of the absorbent body on the ventral side further toward the ventral side,

the length of the extending portion is longer than the length of the connecting portion in the direction in which the nonwoven fabric extends.

2. The diaper according to claim 1,

the connecting part is a thread gluing belt,

the front belt connected with the fastening belt is arranged on the surface of the non-woven fabric.

3. The diaper according to claim 1 or 2,

the back sheet has a plurality of crease marks provided in the extension portion at positions corresponding to the body weight of the infant.

4. The diaper according to any of claims 1 to 3,

the nonwoven fabric has a plurality of hip marks provided at positions corresponding to the body weight of the infant.

5. The diaper according to any of claims 1 to 4,

the bottom sheet has a first hook and loop fastener and a second hook and loop fastener connected to the first hook and loop fastener on the extension portion.

Technical Field

The present invention relates to a diaper for infants used in medical facilities such as hospitals, in particular, a diaper for premature infants and infants with low birth weight.

Background

Premature and low birth weight infants are cared for in the incubator of the Neonatal Intensive Care Unit (NICU). In general, for premature infants and low-birth-weight infants who are cared for in a neonatal intensive care unit, ordinary disposable diapers and paper diapers are used as in other infants. However, the weight of a premature infant or the like is, for example, about 800g to 2000 g. That is, the premature infant or the like has a smaller body size than other infants. Therefore, when a normal diaper is used for a premature infant or the like, a gap is likely to be generated between the body of the premature infant or the like and the diaper. If a gap is formed between the body of a premature infant or the like and the diaper, there is a possibility that excrement of the premature infant or the like leaks from the gap between the body of the premature infant or the like and the diaper. In addition, a hose may be inserted into a body of a premature infant or the like, or a navel may be cut off. In such a case, if a normal paper diaper is used, the paper diaper may cover the body of a premature infant or the like completely. Therefore, it is not preferable in terms of hygiene. Furthermore, the size of a premature infant or the like varies depending on the body weight. Therefore, if the size of the ordinary diaper is merely reduced while maintaining the shape and structure of the ordinary diaper, it is difficult to cope with the difference in body size among a plurality of premature infants and the like.

Patent document 1 discloses a disposable diaper for premature infants or low-birth-weight infants to be used for premature infants and low-birth-weight infants to be cared for in a heat-insulating box of a neonatal intensive care unit. The disposable diaper for premature infants or low-birth-weight infants described in patent document 1 is worn on a premature infant or the like in the following manner: the premature infant or the like is placed on the absorbent main body, and the portions of the belt portions protruding from both sides of the absorbent main body are wound around the waist and detachably connected to each other, and then the absorbent main body is closely attached so as to cover the back side to the abdomen side through the crotch portion. According to the description of patent document 1, since physical movements of premature infants and low-birth-weight infants are restricted, even if the absorbent main body is not locked by the belt portion, the absorbent main body does not open. Further, according to the description of patent document 1, the front end portion of the absorbent main body can be sandwiched between the belt portion wrapped around the waist and the body in case of any accident.

Prior art documents

Patent document

Patent document 1: japanese patent No. 5069532

Disclosure of Invention

However, the urine discharge position for men is located on the front side (ventral side) of the urine discharge position for women. That is, men excrete urine from a position on the anterior side (ventral side) of women. Therefore, even if the physical movement of the premature infant and the low-birth-weight infant is restricted, the urine of the premature infant or the like in the male may flow to the abdominal side of the premature infant or the like itself only by the absorbent body being in close contact with the abdominal side or being held between the belt portion and the body. In addition, when the absorbent main body is closely attached to the abdomen side, the part closely attached to the abdomen side may be caught by a person who performs treatment and care, and may hinder the treatment and care. Therefore, the following diapers are desired: the diaper can be worn in a manner corresponding to the difference in body size between a premature infant and a low-birth-weight infant, and can suppress the hindrance to treatment and care.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a diaper that can be worn so as to correspond to a difference in body size between infants (premature infants and low-birth-weight infants), and that can suppress disturbance in treatment and nursing.

According to the present invention, the above-mentioned problem is solved by a diaper comprising: a nonwoven fabric extending from a back side of the infant through the crotch portion to a stomach side; a back sheet that is provided on the side opposite to the infant when viewed from the nonwoven fabric, and that suppresses the permeation of excrement discharged from the infant; an absorbent body which is provided between the nonwoven fabric and the back sheet and absorbs the excrement that has passed through the nonwoven fabric; and a tape portion fixed to at least one of the nonwoven fabric and the back sheet, extending on both sides in a direction intersecting with a direction in which the nonwoven fabric extends, and having a connection portion detachably connected to the nonwoven fabric; at least a part of a portion where the nonwoven fabric and the backsheet are bonded to each other is formed as an extended portion which does not overlap with the absorbent body and which extends from an end portion of the absorbent body on the ventral side further toward the ventral side; the length of the extending portion is longer than the length of the connecting portion in the direction in which the nonwoven fabric extends.

According to the structure, at least a part of the portion where the nonwoven fabric and the backsheet are bonded to each other is formed as an extended portion which does not overlap with the absorbent body. That is, the absorber is not disposed in the extending portion. The extending portion extends from the end portion on the ventral side of the absorbent body further toward the ventral side. The length of the extending portion is longer than the length of the connecting portion in the direction in which the nonwoven fabric extends. By providing the diaper with such an extension portion, the infant care provider can adjust the length extending from the back side to the abdomen side of the infant through the crotch portion by folding the extension portion in accordance with the body size of the infant, and can wear the diaper corresponding to the body size of the infant on the infant. Thus, the diaper of the present invention can be worn so as to correspond to the difference in body size between infants. Therefore, it is possible to suppress the occurrence of a gap between the body of the infant and the diaper due to the curling of the diaper, and to suppress the leakage of the excrement of the infant from the gap between the body of the infant and the diaper. Further, since the extension portion is folded and connected to the connection portion in accordance with the size of the infant, the extension portion can be prevented from being caught by a person who performs treatment and care, and the obstruction of the treatment and care can be prevented. In addition, when an infant care provider (premature infant and low birth weight infant) folds the extension portion to the side opposite to the infant according to the size of the infant and couples the coupling portion of the belt portion to the folded extension portion, the coupling portion is folded at least along the end portion of the absorber, so that the entire width of the coupling portion in the extending direction can be reliably accommodated in the folded extension portion. Therefore, the coupling portion is coupled to the extending portion over the entire width thereof, and the coupling between the coupling portion and the extending portion can be reinforced.

Preferably, the coupling portion is a hook and loop fastener, and a front tape coupled to the hook and loop fastener is provided on a surface of the nonwoven fabric.

According to the above configuration, the front tape connected to the fastening tape as the connection portion is provided on the surface of the nonwoven fabric. Thus, the connecting portions are more reliably connected to the surface of the nonwoven fabric.

Preferably, the back sheet has a plurality of crease marks provided in the extension at positions corresponding to the weight of the infant.

According to the above configuration, the infant care giver can fold the extension portion toward the side opposite to the infant according to the body size of the infant (the body weight of the infant) with reference to the fold line provided on the back sheet. This makes it possible to easily wear the diaper on an infant and to suppress a burden on the infant.

Preferably, the nonwoven fabric has a plurality of hip marks provided at positions corresponding to the body weight of the infant.

According to the above configuration, the care giver of the infant can place the infant on the diaper so that the hip of the infant fits the hip mark according to the body size of the infant. Therefore, the care giver of the infant can place the infant at an appropriate position on the diaper by one operation, and can suppress the burden on the infant. Further, since the care giver of the infant can place the infant at an appropriate position of the diaper, it is possible to suppress the occurrence of a gap between the body of the infant and the diaper due to the curling of the diaper, and to suppress the leakage of the excrement of the infant from the gap.

Preferably, the back sheet has a first hook and loop fastener and a second hook and loop fastener connected to the first hook and loop fastener on the extension portion.

According to the structure, the back sheet has a first hook and loop fastener and a second hook and loop fastener. The first and second fastening tapes are provided at the extension portion and are configured to be capable of being coupled to each other. Therefore, when the care giver of the infant grasps the body size of the infant (the body weight of the infant), the extension portion is folded back according to the body size of the infant before the infant is placed on the diaper, and the first fastening tape and the second fastening tape are coupled to each other, so that the folded-back extension portion can be maintained. Compared with the case where the infant care giver turns over the extension portion after placing the infant on the diaper, the diaper can suppress the stimulation to the infant and the burden on the infant.

ADVANTAGEOUS EFFECTS OF INVENTION

According to the present invention, it is possible to provide a diaper that is worn according to the difference in body size between infants (premature infants and low-birth-weight infants) and that suppresses the disturbance of treatment and nursing.

Drawings

Fig. 1 is a plan view showing a surface side of a diaper according to an embodiment of the present invention;

fig. 2 is a plan view showing the back side of the diaper according to the present embodiment;

fig. 3 is a perspective view showing a diaper according to the present embodiment;

FIG. 4 is a cross-sectional view of cross-section A1-A1 shown in FIG. 1;

fig. 5 is a perspective view illustrating a method of using the diaper according to the present embodiment;

fig. 6 is a perspective view illustrating a method of using the diaper according to the present embodiment;

fig. 7 is a perspective view showing a state in which the diaper according to the present embodiment is worn on an infant.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It should be noted that the embodiments described below are preferred specific examples of the present invention, and therefore, various technically preferred limitations are added, but the scope of the present invention is not limited to these embodiments unless the description of the present invention is specifically limited in the following description. In the drawings, the same components are denoted by the same reference numerals, and detailed description thereof will be omitted as appropriate.

A diaper according to an embodiment of the present invention will be described with reference to fig. 1 to 4. The diaper 2 according to the present embodiment is called a disposable diaper (diaper) and a paper diaper (diaper) for use by an infant. Specifically, the diaper 2 according to the present embodiment is used for premature infants and low-birth-weight infants in medical facilities such as hospitals.

The diaper 2 is sold in a state in which the diaper 2 is folded at a substantially central portion in the longitudinal direction of the diaper 2. On the other hand, the diaper 2 is developed as shown in fig. 1 and 2 when used. One end of the diaper 2 in the longitudinal direction is disposed on the back side of the infant, and the other end of the diaper 2 in the longitudinal direction is disposed on the abdomen side of the infant. In the diaper 2 shown in fig. 1 and 2, the direction of the arrow D11 corresponds to the back side of an infant, and the direction of the arrow D12 corresponds to the abdomen side of an infant. Further, a substantially central portion of the diaper 2 in the longitudinal direction is disposed in the crotch of the infant.

As shown in fig. 1 and 2, the diaper 2 includes a nonwoven fabric 3, a back sheet 4, an absorbent body 5, and a belt portion 6. The nonwoven fabric 3 is provided on the surface side that contacts the skin of the infant. In the specification of the present application, the "surface" refers to a surface that comes into contact with the body of a user (infant) of the diaper. The back sheet 4 is provided on the back side opposite to the infant when viewed from the nonwoven fabric 3. In the specification of the present application, the "back surface" refers to a surface of the diaper 2 exposed to the outside in a state where the diaper 2 is worn by an infant. The absorbent body 5 is provided between the nonwoven fabric 3 and the back sheet 4.

The nonwoven fabric 3 extends from the back side of the infant through the crotch portion to the abdomen side. That is, the nonwoven fabric 3 extends in the extending direction D1 shown in fig. 1 and 2. The extending direction D1 corresponds to the "direction in which the nonwoven fabric and the backsheet extend" and the "longitudinal direction of the diaper". The length of the nonwoven fabric 3 in the extending direction D1 is substantially the same as the length of the diaper 2, for example, about 100mm to 300 mm. However, the length of the nonwoven fabric 3 in the extending direction D1 is not limited to this.

The nonwoven fabric 3 is a material that is not easily fluffed, and therefore, is used as a surface material that comes into contact with the skin of an infant, and has a function of allowing excrement such as urine of an infant to pass through the absorbent body 5. The nonwoven fabric 3 may be referred to as a topsheet (topsheet), or the like, for example. The nonwoven fabric 3 is formed by melting hot-melt fibers (for example, PET/PE, PP/PE, PET/EP, PP/EP) obtained by fiberizing a synthetic resin by a Thermal bonding method (Thermal bond), a spun-bond method (Spunbond), or the like without using a binder.

As shown in fig. 4, the nonwoven fabric 3 of the present embodiment is formed of a plurality of layers, and has a first fiber layer 33 and a second fiber layer 34. The first fiber layer 33 is disposed on a surface that is in direct contact with the skin of an infant, and has a concave-convex surface 333, and the concave-convex surface 333 has a plurality of concave portions 331 and a plurality of convex portions 332. This reduces the area of the nonwoven fabric 3 in contact with the skin, thereby preventing a feeling of discomfort, diaper rash, and the like. The second fiber layer 34 is overlapped with the back surface (inner side of the diaper 2) of the first fiber layer 33, and has a flat sheet shape as a whole.

The convex portions 332 of the first fiber layer 33 are raised on the opposite side to the second fiber layer 34, whereby the inner spaces S of the convex portions 332 are formed as fiber-thinned portions. This allows urine of an infant to be temporarily stored in the inner space S of the projection 332 even when the urine is not rapidly absorbed by the absorber 5. The first fiber layer 33 and the second fiber layer 34 are partially crimped to each other.

The concave-convex surface 333 is provided with three-dimensional fold portions 35 on both outer sides in the width direction D2. The three-dimensional fold portion 35 intercepts urine that is not temporarily stored in the concave-convex surface 333, which is a so-called side leakage prevention barrier. The width direction D2 corresponds to a "direction intersecting the direction in which the nonwoven fabric and the backsheet extend" and a "width direction of the diaper", and is orthogonal to the extending direction D1. The length (width) of the nonwoven fabric 3 in the width direction D2 is, for example, about 50mm to 150 mm. However, the length of the nonwoven fabric 3 in the width direction D2 is not limited to this.

The three-dimensional fold portion 35 is provided with leg fold portions 36 on both outer sides in the width direction D2. The leg gathers 36 are in close contact with the crotch of the infant, and even if excreted urine or the like leaks from the three-dimensional gathers 35, the urine or the like can be prevented from leaking to the outside of the diaper 2.

The elastic body 7 is provided inside each of the three-dimensional gathers 35 and the leg gathers 36. The elastic body 7 is disposed along the extending direction D1 and has elastic contractibility. For example, a rubber having an elongated shape such as a rubber thread may be used as the elastic body 7. A sheet-like or net-like rubber may be used as the elastic body 7. The elastic body 7 is fixed in a stretched state, and when no external force is applied, a contraction force is applied to the three-dimensional gathers 35 and the leg gathers 36. Therefore, as shown in fig. 3 and 4, the three-dimensional gathers 35 and the leg gathers 36 stand up when worn due to the elastic contractibility of the elastic body 7. As shown in fig. 3, when no external force is applied to the diaper 2, the diaper 2 bent in an arc shape is elastically maintained.

As a modification of the nonwoven fabric 3, for example, the convex portions 332 may have a substantially hexagonal shape and the concave portions 331 may have a groove shape (not shown) corresponding to six sides of the substantially hexagonal shape of the convex portions 332, in a plan view of the diaper 2 viewed from the front surface side (see fig. 1). Of course, the shapes of the concave portion 331 and the convex portion 332 are not limited thereto. The nonwoven fabric 3 may be formed by applying a mesh process to the first fiber layer 33 and the second fiber layer 34 and may have numerous through holes. By such a mesh processing, the nonwoven fabric 3 allows excrement such as urine and loose stool peculiar to the newborn to rapidly permeate into the absorbent body 5. Therefore, the excrement easily penetrates into the absorbent body 5.

The back sheet 4 is used as a back material provided on the opposite side of the nonwoven fabric 3 from the infant, and suppresses the permeation of excrement discharged from the infant. The back sheet 4 is a sheet exposed to the outside in a state where the diaper 2 is worn by an infant, and is formed of a flexible material such as a thin plastic film. Specifically, a polyethylene film, a polyethylene laminated paper, or the like can be used as the material of the back sheet 4. Preferably, the back sheet 4 is impervious to urine and permeable to water vapor. This prevents the portion covered with the diaper 2 from becoming hot.

The absorbent body 5 is provided between the nonwoven fabric 3 and the back sheet 4, and has a function of absorbing excrement that has passed through the nonwoven fabric 3. That is, the absorbent body 5 is a portion for absorbing and holding liquid such as discharged urine. The absorbent body 5 is preferably an absorbent body having high liquid retention properties, and is preferably a relatively thin absorbent body. Preferably, the absorbent body 5 is in a state of small volume. As the absorber 5, for example, a pulp absorber in which a polymer as an absorbing material is mixed with pulp or a polymer is dispersed in pulp, a polymer sheet in which a polymer is disposed at a high density between sheets made of pulp or the like and formed into a sheet shape, or the like can be used.

As shown in fig. 4, the absorbent body 5 is surrounded by the tissue 52 and is not exposed to the outside. As the tissue 52, a sheet material made of a soft material absorbing liquid or the like such as pulp, rayon, cotton, kenaf, bagasse, silk, fibers (polyolefin, polyester, acrylic) subjected to hydrophilic treatment, or the like, alone or in combination, can be used.

The belt portions 6 are fixed to at least one of the nonwoven fabric 3 and the back sheet 4 and extend on both sides in a direction (width direction D2) intersecting the extending direction D1 of the nonwoven fabric 3. Specifically, the belt portion 6 has a first belt main body 61 and a second belt main body 62. The first belt main body 61 is a belt-like member extending in one of the width directions D2. The second belt main body 62 is a belt-like member extending in the other direction (the direction opposite to the first belt main body 61) in the width direction D2.

Preferably, the belt portion 6 has stretchability in the width direction D2. For example, as the material of the belt portion 6, a stretchable nonwoven fabric can be used. Alternatively, as the material of the belt portion 6, a belt-like member may be used in which a plurality of nonwoven fabrics are bonded to each other and an elastic body such as a rubber thread having elastic contractibility is provided between the plurality of nonwoven fabrics.

A coupling portion 63 is provided at the distal end portions of the first belt main body 61 and the second belt main body 62. The connection portion 63 is detachably connected to the nonwoven fabric 3. Specifically, the coupling portion 63 is a hook and loop fastener. As shown in fig. 1 and 3, a front tape 32 is provided on the surface of the abdomen-side end of the nonwoven fabric 3, and the front tape 32 is coupled to a coupling portion 63 that is a hook and loop fastener. The coupling between the coupling portion 63 and the front belt 32 will be described in detail later.

The coupling portion 63 is not limited to the hook and loop fastener, and may be an adhesive layer provided with an adhesive. Even in this case, the connection portion 63 as an adhesive layer is detachably connected to the nonwoven fabric 3. The front belt 32 is not necessarily provided.

Therefore, in general, premature infants and low-birth-weight infants who are cared for in a neonatal intensive care unit use ordinary disposable diapers and paper diapers made of paper diapers as well as other infants and young children. However, in this case, a gap is likely to be formed between the body of the premature infant or the like and the diaper, and the excrement of the premature infant or the like may leak from the gap between the body of the premature infant or the like and the diaper. In addition, the size of a premature infant or the like varies depending on the body weight. Therefore, if the size of the ordinary diaper is merely reduced while maintaining the shape and structure of the ordinary diaper, it is difficult to cope with the difference in body size among a plurality of premature infants and the like.

Hitherto, there are disposable diapers for premature infants or low-birth-weight infants. For example, disposable diapers for premature infants or low-birth-weight infants are worn on premature infants or the like by: the absorbent body is closely attached to a premature infant or the like by placing the premature infant or the like on the absorbent body, wrapping the belt portion around the waist and connecting the belt portion so as to be detachable, and then covering the absorbent body from the back side to the abdomen side through the crotch portion. However, the discharge position of urine from a male is located on the front side (ventral side) of the discharge position of urine from a female. That is, men excrete urine from a position on the front side (ventral side) of women. Therefore, although the physical movements of the premature infant and the low-birth-weight infant are restricted, if only the absorber is closely attached to the abdominal side, the urine of the male premature infant or the like may flow to the abdominal side of the premature infant or the like itself. Further, the portion in close contact with the abdomen may be caught by a person who performs treatment or care, and may hinder the treatment or care.

In this regard, the diaper 2 according to the present embodiment includes the extension 31. As shown in fig. 1 and 2, the extending portion 31 does not overlap the absorbent body 5 provided on the back side of the nonwoven fabric 3 in a plan view, but is a portion extending further to the abdomen side from the end 51 on the abdomen side of the absorbent body 5, and is a portion where the nonwoven fabric 3 and the back sheet 4 are bonded to each other. In other words, the extending portion 31 is a portion where the nonwoven fabric 3 and the back sheet 4 extend from the abdomen-side end 51 of the absorbent body 5 in the direction of the arrow D12 in the same plan view, and is a portion where the nonwoven fabric 3 and the back sheet 4 are bonded to each other. Therefore, the absorber 5 is not disposed in the extension portion 31. In the extending direction D1 of the nonwoven fabric 3, the length L1 of the extending portion 31 is longer than the length L2 (about 2cm) of the coupling portion 63 of the tape portion 6. For example, the length L1 of the extension portion 31 is about 2 times or more and 5 times or less, preferably 3 times the length L2 of the coupling portion 63. When the length L1 of the extension 31 is 4cm or more, the folding operation described later is facilitated. In the diaper 2 shown in fig. 1 and 2, the length L2 of the coupling portion 63 in the extending direction D1 is substantially the same as the length of the first belt main body 61 and the length of the second belt main body 62, but is not limited thereto, and may be shorter than the length of the first belt main body 61 and the length of the second belt main body 62.

Since the diaper 2 has the extension 31, the care giver of the infant can fold the extension 31 in accordance with the body size of the infant, and can adjust the length extending from the back side to the abdomen side of the infant through the crotch portion, and wear the diaper 2 having a size corresponding to the body size of the infant. Thus, the paper diaper 2 according to the present embodiment can be worn according to the difference in body size of the infant. Therefore, it is possible to suppress the occurrence of a gap between the body of the infant and the diaper 2 due to the deflection of the diaper 2, and to suppress the leakage of the excrement of the infant from the gap. Further, since the extension portion 31 is folded and connected to the connection portion 63 according to the size of the infant, it is possible to suppress the engagement thereof with the person who performs treatment or care and to suppress the hindrance to the treatment or care.

According to the diaper 2 of the present embodiment, the length L1 of the extension portion 31 is longer than the length L2 of the connecting portion 63 in the extending direction D1 of the nonwoven fabric 3. Therefore, as shown in fig. 7, when an infant care provider (premature infant and low birth weight infant) folds the extension portion 31 to the side opposite to the infant according to the body size of the infant and connects the connection portion 63 of the belt portion 6 to the folded extension portion 31, the connection portion 63 is folded at least along the end portion 51 of the absorbent body, so that the entire width (length L2) of the connection portion 63 in the extending direction D1 can be reliably accommodated in the folded extension portion 31. Therefore, the coupling portion 63 is provided so as to be coupled to the extending portion 31 over the entire width thereof, and the coupling between the coupling portion 63 and the extending portion 31 can be reinforced.

Next, the structure of the diaper 2 according to the present embodiment will be described and a method of using the diaper 2 will be described with reference to fig. 5 to 7. First, when the care giver of the infant wears the diaper 2 on the infant, the diaper 2 is unfolded (see fig. 1 and 2), and the infant is placed on the diaper 2.

In this case, as shown in fig. 1 and 5, the nonwoven fabric 3 has a plurality of hip marks Ml, M2, M3. The hip markers Ml, M2, M3 are provided at positions corresponding to the body weight of the infant on the front surface side of the central portion of the absorber 5 in the direction D1 in which the nonwoven fabric extends. The hip markers Ml, M2, M3 extend linearly in the width direction D2. The hip markers Ml, M2, and M3 may be in the form of continuous straight lines extending in the width direction D2, or may be in the form of parts separated from each other, for example, broken lines or dotted lines, arranged and extending in the width direction D2. For example, the hip markers Ml, M2, and M3 may be formed on the nonwoven fabric 3 by printing. Alternatively, the hip marks Ml, M2, M3 may be formed by embossing, for example, like the concave-convex surface 333 shown in fig. 4.

When the infant care giver wears the diaper 2 on the infant, the infant can be placed on the diaper 2 so that the hip of the infant matches the hip marks Ml, M2, and M3 according to the body size of the infant (the body weight of the infant). That is, the hip mark Ml is a mark for an infant having a body weight of, for example, about 800 g. The infant care provider places an infant on the diaper 2 at an appropriate position by placing the infant on the diaper 2 so that the hip of the infant, which has a weight of about 800g, for example, coincides with the hip mark Ml. Specifically, the infant care provider can fit the crotch portion of the infant to the substantially central portion of the absorber 5 in the extending direction D1. The hip mark M2 is a mark for an infant having a body weight of, for example, about 1500 g. The infant care provider can place an infant on the diaper 2 at an appropriate position by placing the infant on the diaper 2 so that the hip of the infant, which has a weight of, for example, about 1500g, fits the hip mark M2. The hip mark M3 is a mark for an infant having a body weight of, for example, about 2000 g. The infant care provider can place an infant on the diaper 2 at an appropriate position by placing the infant on the diaper 2 so that the hip of the infant, which has a weight of, for example, about 2000g, fits the hip mark M3.

As described above, the infant care provider can place the infant on the diaper 2 so that the buttocks of the infant fit the buttocks marks M1, M2, and M3 according to the body size of the infant, and can place the infant at an appropriate position on the diaper 2 in one operation. That is, the care giver of the infant can adjust the relative position of the infant and the diaper 2 to an appropriate position by one operation, and can prevent the infant from moving unnecessarily. This can suppress an increase in the burden on the infant. Further, since the care giver of the infant can place the infant at an appropriate position of the paper diaper 2, it is possible to suppress the occurrence of a gap between the body of the infant and the paper diaper 2 due to the deflection of the paper diaper 2 and to suppress the leakage of the excrement of the infant from the gap.

The weights of the infants corresponding to the hip markers M1, M2, and M3 are examples, but the present invention is not limited to these. In contrast, the infant corresponding to the hip mark M1 provided on the back side is lighter in weight than the infants corresponding to the hip marks M2 and M3, respectively. In contrast, the body weight of the infant corresponding to the hip mark M3 provided on the abdomen side is heavier than the body weights of the infants corresponding to the hip marks M1 and M2, respectively. The hip mark M2 provided between the hip mark M1 and the hip mark M3 is heavier than the infant corresponding to the hip mark M1 and lighter than the infant corresponding to the hip mark M3.

Next, the care giver of the infant covers the abdomen of the infant with the abdomen-side portion of the diaper 2. At this time, as shown in fig. 2 and 5, the back sheet 4 has a plurality of crease marks M11, M12, M13. The fold marks M11, M12, and M13 are provided on the portion on the back side of the extension 31 (the surface of the back sheet 4 opposite to the nonwoven fabric 3). The fold marks M11, M12, M13 extend linearly in the width direction D2. The fold marks M11, M12, and M13 may be continuous straight lines extending in the width direction D2, or may be separated portions arranged in the width direction D2 and extending as dotted lines or dotted lines, for example. For example, crease marks M11, M12, M13 may be formed on the back sheet 4 by printing. Alternatively, the fold marks M11, M12, M13 may be formed by embossing, for example, like the concave-convex surface 333 described in fig. 4.

Crease marks M11, M12, M13 are provided at positions corresponding to the body weight of the infant. That is, the fold mark M11 is a mark for an infant having a body weight of, for example, about 800 g. As shown in fig. 6, the infant care provider can fold back the extension 31 at a position corresponding to an infant having a body weight of, for example, about 800g by folding back the extension 31 to the side opposite to the infant with reference to the position of the fold mark M11. The fold mark M12 is a mark for an infant having a body weight of, for example, about 1500 g. As shown in fig. 6, the infant care provider can fold back the extension 31 at a position corresponding to an infant having a body weight of, for example, about 1500g by folding back the extension 31 to the side opposite to the infant with reference to the position of the fold mark M12. The fold mark M13 is a mark for an infant having a body weight of about 2000g, for example. As shown in fig. 6, the infant care provider can fold back the extension 31 at a position corresponding to an infant having a body weight of, for example, about 2000g by folding back the extension 31 to the side opposite to the infant with reference to the position of the fold mark M13.

In this way, the infant care giver can fold the extension portion 31 in accordance with the body size of the infant (the body weight of the infant) based on the fold marks M11, M12, and M13 provided on the back sheet 4. At this time, as shown in fig. 5, the first fastening tape 41 and the second fastening tape 42 are provided on the surface of the back sheet 4 opposite to the nonwoven fabric 3 in the extension portion 31. The first and second fastening tapes 41 and 42 are provided so as to be capable of being coupled to each other on the surface of the back sheet 4 opposite to the nonwoven fabric 3. For example, either one of the first and second fastening tapes 41 and 42 is a male component of the fastening tape. For example, the other of the first and second fastening tapes 41 and 42 is a female member of the fastening tape. The second fastening tape 42 is not necessarily provided on the extension portion 31, and may be provided on the crotch portion side as viewed from the abdomen-side end portion 51 of the absorbent body 5, for example.

Thus, when the care giver of the infant grasps the body size of the infant (the body weight of the infant), before the infant is placed on the diaper 2, the extension portion 31 is folded back according to the body size of the infant, and the first fastening tape 41 and the second fastening tape 42 are coupled to each other, so that the folded-back state of the extension portion 31 can be maintained. Compared with the case where the care giver of the infant places the infant on the diaper 2 and folds the extension portion 31, the stimulation to the infant and the burden on the infant can be suppressed.

Further, since the absorbent body 5 is not disposed in the extending portion 31, the extending portion 31 can be suppressed from being hardened or becoming bulky when the extending portion 31 is folded back. Therefore, the infant care giver can easily fold over the extension portion 31.

Next, as shown in fig. 7, while maintaining the state of being folded back to the extension 31 on the side opposite to the infant, the infant care giver covers the abdomen of the infant with the abdomen-side portion of the paper diaper 2 and connects the connection portion 63 of the belt portion 6 to the surface of the nonwoven fabric 3 exposed on the side opposite to the infant. In this case, as described with reference to fig. 1 and 3, the front tape 32 is provided on the front end surface of the nonwoven fabric 3 on the stomach side. Specifically, the front tape 32 is provided on the surface of the nonwoven fabric 3 in the extension 31. The infant care provider covers the abdomen of the infant with the abdomen-side portion of the diaper 2, and connects the connection portion 63 of the belt portion 6 to the front belt 32. This allows the connecting portion 63 to be more reliably connected to the surface of the nonwoven fabric 3 in the extending portion 31.

As shown in fig. 7, the diaper 2 according to the present embodiment is worn on infants (premature infants and low-birth-weight infants) in such a manner. The infant care provider places the infant on the diaper 2 so that the hip of the infant matches the hip marks Ml, M2, and M3 according to the body size of the infant, and can easily wear the diaper 2 on the infant by folding the extension 31 according to the body size of the infant with reference to the fold marks M11, M12, and M13, and can suppress an increase in burden on the infant.

The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the scope of the claims. The configurations of the above embodiments may be partially omitted or may be arbitrarily combined in a manner different from the above.

Description of the symbols:

2 … diaper, 3 … nonwoven fabric, 4 … backsheet, 5 … absorber, 6 … tape portion, 7 … elastic body, 31 … extension portion, 32 … front tape, 33 … first fiber layer, 34 … second fiber layer, 35 … three-dimensional wrinkle portion, 36 … leg wrinkle portion, 41 … first fastening tape, 42 … second fastening tape, 51 … end portion, 52 … tissue, 61 … first tape body, 62 … second tape body, 63 … coupling portion, 331 … recess, 332 … projection, 333 … recess and projection, D1 … extension direction, D2 … width direction, Ml, M2, M3 … hip mark, M11, M12, M13 … navel mark, N … belly fold, S … inside space.