WO2019069468A1 - Couche jetable pour nourrisson de faible poids corporel - Google Patents

Couche jetable pour nourrisson de faible poids corporel Download PDF

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Publication number
WO2019069468A1
WO2019069468A1 PCT/JP2017/036546 JP2017036546W WO2019069468A1 WO 2019069468 A1 WO2019069468 A1 WO 2019069468A1 JP 2017036546 W JP2017036546 W JP 2017036546W WO 2019069468 A1 WO2019069468 A1 WO 2019069468A1
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WO
WIPO (PCT)
Prior art keywords
longitudinal direction
disposable diaper
low
guiding portion
diaper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/036546
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English (en)
Japanese (ja)
Inventor
真紀 辻井
山中　康弘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unicharm Corp filed Critical Unicharm Corp
Priority to PCT/JP2017/036546 priority Critical patent/WO2019069468A1/fr
Priority to JP2017565861A priority patent/JP7034716B2/ja
Priority to TW107211297U priority patent/TWM577310U/zh
Publication of WO2019069468A1 publication Critical patent/WO2019069468A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/494—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means

Definitions

  • the present invention relates to disposable diapers for low-weight children.
  • a first notch and a second notch are formed at the central portion in the longitudinal direction of the absorbent core so that the crotch region can maintain a flat shape when worn.
  • the first notch and the second notch have a notch shape extending inward in the width direction from the outer edge of the absorbent core.
  • the diaper when the diaper is worn, usually, the baby is turned over, the waist portion on the fastening tape side is placed under the back of the baby, and the fastening tape is locked on the ventral side.
  • diapers may be exchanged for low-weight children who are still lying, because of the concept of minimal handling where it is desirable not to touch the body as much as possible.
  • the diaper may be retrofitted so that fastening and removal of the fastening tape is possible on the back side. Therefore, in the case of a disposable diaper for low-weight children, it is necessary to assume the case of being worn normally and the case of being worn backwards.
  • the present invention has an object to provide a disposable diaper for low-weight infants that can be fitted to low-weight infants who take a posture when in the womb even when worn normally or reversely. I assume.
  • the main invention for achieving the above object is a disposable diaper for a low weight child having an absorbent core and having a longitudinal direction and a width direction, and the absorbent core is bent along the width direction.
  • a disposable diaper for low-weight children characterized in that the first folding guide, the second folding guide, and the third folding guide are provided at different positions in the longitudinal direction. is there.
  • the present invention it is possible to provide a disposable diaper for low-weight infants that fits to low-weight infants who take a posture when in the womb even when worn normally or reversely.
  • FIG. 2A is a schematic cross-sectional view of the first waist portion 1A
  • FIG. 2B is a schematic cross-sectional view of the crotch portion 1B
  • 3A to 3C are explanatory views of the attached state of the diaper 1.
  • FIG. 2 is a schematic plan view of the diaper 1;
  • FIG. 2 is a schematic plan view of the diaper 1;
  • FIG. 2 is a plan view of an absorbent core 2;
  • FIG. 8A to FIG. 8C are explanatory views of a method of mounting the diaper 1 on a low-weight child smaller than the mounting target.
  • a disposable diaper for a low weight child having an absorbent core and having a longitudinal direction and a width direction, wherein the absorbent core guides the first folding guide portion to bend along the width direction, It is a disposable diaper for low-weight children, characterized by having a two-fold guiding part and a third folding part at different positions in the longitudinal direction.
  • a disposable diaper for a low weight baby it fits with a low weight baby who takes a posture when in the womb even when worn normally and when it is worn reversely.
  • the second fold induction portion is located at the center of the disposable diaper in the longitudinal direction, and the first fold induction portion and the third fold induction portion are It is a disposable diaper for low-weight children, characterized by being located symmetrically with respect to the center of the disposable diaper in the longitudinal direction.
  • a disposable diaper for a low weight baby it fits with a low weight baby who takes a posture when in the womb even when worn normally and when it is worn reversely.
  • the second fold induction portion is located at the center of the disposable diaper in the longitudinal direction
  • the first fold induction portion is at the center of the disposable diaper in the longitudinal direction.
  • Low in weight characterized in that it is located in the middle between the first and second ends
  • the third fold guiding part is located in the middle between the middle and the other end of the disposable diaper in the longitudinal direction. It is a disposable diaper for children.
  • the low-weight children can be fitted so that their legs can be raised to a position where both knees stick to the abdomen.
  • the absorbent core has a narrow portion which is narrower than the end portion at the central portion in the longitudinal direction, and the first folding guiding portion, the second folding guiding portion The fold induction
  • derivation part are located in the said narrow part, It is a disposable diaper for low weight children.
  • the width of the absorbent core that abuts the crotch of the low-weight children becomes narrow.
  • low-weight children can easily move their legs.
  • the legs of a low-weight child are closed, it is possible to suppress the pressure on the skin of the low-weight child by the absorbent core.
  • the second folding guiding portion is located at the central portion of the narrow portion in the longitudinal direction, and the first folding guiding portion is the narrow in the longitudinal direction.
  • the third folding guiding portion is located on the one side of the center of the center and the center of the one side, and the third fold guiding portion is the other than the center of the center of the narrow portion in the longitudinal direction and the center of the other side It is a disposable diaper for low weight infants characterized by being located at the side.
  • the low-weight children can be fitted so that their legs can be raised to a position where both knees stick to the abdomen.
  • At least one of the first folding guiding portion and the third folding guiding portion is a portion where the width of the absorbent core starts to narrow in the narrow portion. It is a disposable diaper for underweight children characterized by being located.
  • the low-weight children can be fitted so that their legs can be raised to a position where both knees stick to the abdomen.
  • the outline of the narrow portion becomes steeper, the width of the absorbent core becomes narrower in a wider range in the longitudinal direction, and the leg of the low-weight child can be easily pulled up.
  • a disposable diaper for a low weight baby it fits with a low weight baby who takes a posture when in the womb even when worn normally and when it is worn reversely.
  • a disposable diaper for such a low-weight child comprising: a pair of first side flaps extending to both outer sides in the width direction on one side in the longitudinal direction and to which a fastening tape is fixed;
  • the other side includes a pair of second side flaps extending to both outer sides in the width direction, and from the one side in the longitudinal direction, the first folding guiding portion, the second folding guiding portion,
  • the third folding guiding portion is positioned, and the first folding guiding portion, the second folding guiding portion, and the third folding guiding portion are respectively provided on the both sides in the width direction of the absorbent core. It is a pair of notch parts which become convex in the cross direction inside, It is a disposable diaper for low weight children characterized by the above-mentioned.
  • the absorbent core can be folded at the first to third fold guiding portions.
  • the first folding guiding portion is positioned at a position corresponding to the pulled-up leg without the first folding guiding portion being positioned at a position where the leg can not be pulled up.
  • the separated position is a disposable diaper for a low-weight child, characterized in that the separated position is located on the one side of the center on the other side than the position separated by the first length.
  • a pair of solid gathers are disposed on both sides in the width direction of the disposable diaper, and the solid gathers extend and contract in the longitudinal direction. Allowing the elastic member to stand on the skin side, and in the longitudinal direction, the center of the stretchable portion of the elastic member for solid gathers is located on the other side of the center of the disposable diaper, It is a disposable diaper for low-weight children, which is characterized.
  • the portion of the diaper on the fastening tape side is difficult to bend. Therefore, the diaper can be smoothly passed between the legs of a low-weight child with the part of the diaper on the fastening tape side in front.
  • the apex of the notch of the third fold guiding portion is located on one side of the other side of the standing start point of the three-dimensional gather portion in the longitudinal direction.
  • the length in the longitudinal direction of the stretchable portion of the elastic member for the three-dimensional gathers portion is the first fold
  • a disposable diaper for low-weight children which is equal to or longer than the length in the longitudinal direction between the apexes of the notches of the guiding portion and the third fold guiding portion.
  • the diaper is likely to be three-dimensionally shaped due to the contraction of the elastic member for three-dimensional gathers even when worn normally and when worn backward.
  • the disposable diaper for low-weight children is a diaper intended for infants of 3000 grams or less (particularly less than 2500 grams).
  • a disposable diaper for low-weight children an embodiment will be described by taking a tape-type disposable diaper attached to low-weight children with fastening tape as an example.
  • the disposable diaper for low-weight children is not limited to the tape type, and may be, for example, a pad-type disposable diaper not provided with a fastening tape.
  • FIG. 1 is a plan view of a low-weight-weight tape-type disposable diaper 1 (hereinafter referred to as “diaper”) which has been developed and extended in the longitudinal direction, as viewed from the skin side.
  • FIG. 2A is a schematic cross-sectional view of the first waist portion 1A
  • FIG. 2B is a schematic cross-sectional view of the crotch portion 1B.
  • the diaper 1 has a longitudinal direction and a width direction. Moreover, the diaper 1 has the 1st waist part 1A, the crotch part 1B, and the 2nd waist part 1C along with the longitudinal direction. As shown to FIG. 2A, the direction where each member which comprises the diapar 1 was laminated
  • the diaper 1 comprises an absorbent core 2 for absorbing waste fluid, a liquid-permeable top sheet 3 disposed on the skin side of the absorbent core 2, and a liquid disposed on the non-skin side of the absorbent core 2. From the both sides in the width direction of the exterior sheet 5 which is disposed on the non-skin side of the impervious leak-barrier sheet 4 and the leak-barrier sheet 4 and forms the outer shape of the diaper 1 It has a pair of extending side sheets 6.
  • the absorbent core 2 one obtained by forming a liquid absorbent fiber such as pulp fiber containing a high absorbent polymer (so-called SAP) into a predetermined shape, or SAP in which an SAP layer is adhered to a hydrophilic sheet A sheet, an air-laid sheet etc. which shape
  • the absorbent core 2 may be coated with a core wrap sheet 2A such as liquid permeable tissue paper or non-woven fabric.
  • a pair of solid gathers 8 and a pair of leg elastics 10 that extend and contract in the longitudinal direction along the circumference of the wearer's leg are disposed on both sides in the width direction of the diaper 1.
  • the solid gather section 8 a part of the side sheet 6 is erected on the skin side by the solid gather section elastic member 9 that expands and contracts in the longitudinal direction.
  • the solid gatherer 8 blocks excrement.
  • the leg elastic members 10 are disposed outside in the width direction of the rising start point of the three-dimensional gather portion 8 in the width direction (width direction inner end 42 a of the second joint portion 42 shown in FIG. 5 described later). By the leg elastics 10, the diaper 1 fits around the legs of the wearer and the leakage of excrement is suppressed.
  • a thread-like elastic member such as thread rubber
  • sheet-like elastic members such as an elastic film
  • the solid gatherer elastic member 9 and the leg elastic member 10 each have a stretchable portion (effective length portion) in which stretchability is developed in the longitudinal direction.
  • a portion fixed to the sheet in a state of being extended in the longitudinal direction becomes an elastic portion. Only the stretchable parts are shown in the drawing.
  • the external shape of the diaper 1 in the unfolded state is a substantially hourglass shape.
  • the first waist portion 1A has a pair of first side flaps 31 extending on both sides in the width direction than the crotch 1B on one side in the longitudinal direction and to which the fastening tape 7 is fixed.
  • the second waist portion 1C has, on the other side in the longitudinal direction, a pair of second side flaps 32 extending to both lateral sides in the width direction than the crotch portion 1B.
  • the first side flaps 31 and the second side flaps 32 are formed by the side sheet 6 and the exterior sheet 5.
  • the fastening tape 7 has a tape base 7A and a hook material 7B.
  • the tape substrate 7A has a substantially rectangular shape elongated in the width direction.
  • the hook material 7B is, for example, a male member of a surface fastener, and is provided on the skin side surface of the tape base 7A.
  • the unfolded diaper 1 is folded in half at the approximate center in the longitudinal direction while being applied to the wearer.
  • the first side flaps 31 are folded back inward.
  • the hook material 7B of the fastening tape 7 is locked to the non-skin side of the second waist portion 1C.
  • the diaper 1 is for low weight children. Therefore, the length in the longitudinal direction of the diaper 1 in the state in which the diaper 1 is expanded and stretched in the longitudinal direction may be about 175 mm to 330 mm. Specifically, the product length for body weight less than 2500 g may be 310 mm, the product length for body weight less than 1500 g may be 270 mm, and the product length for body weight less than 1000 g may be about 230 mm.
  • the waist size of the diaper 1 may be about 160 to 295 mm. Specifically, the waist size for a body weight less than 2500 g may be 273.5 mm, and the waist size for a body weight less than 1500 g may be about 220 mm.
  • the product was stretched in the width direction without causing the end in the width direction of one fastening tape 7 to the end on the base side in the width direction of the hook material 7B included in the other fastening tape 7 It is the dimension in the state.
  • 3A to 3C are explanatory views of the attached state of the diaper 1.
  • the posture when in the womb means that the back is C-shaped as shown in FIG. 3A and the legs are M-shaped as shown in FIG. 3C while both knees are attracted to the abdomen.
  • the situation is Hereinafter, such a posture is also referred to as "a bent posture after bending".
  • the diaper 1 when replacing the diaper 1, the diaper 1 may be passed between the legs of a low weight child lying flat and the diaper 1 replaced for a low weight child lying flat without putting the low weight child on its back . Therefore, as shown in FIG. 3A, the first waist portion 1A provided with the fastening tape 7 is not only mounted normally so as to cover the back side, but also as shown in FIG. 3B, the first waist portion 1A. There is a case where a back and forth reverse wearing is performed so as to cover the ventral side. In the case of back and forth wearing, it is not necessary to put a hand under the abdomen of a low-weight child who is lying down to lock or remove the fastening tape 7.
  • the diaper 1 is good for the diaper 1 to be provided with the tearing-out line 11 for cutting off a part of 1st waistline part 1A to which the fastening tape 7 is fixed. By doing so, removal of the diaper 1 from a low weight child becomes easy.
  • FIG. 6 is a plan view of the absorbent core 2.
  • FIG. 7 is a schematic plan view of the diaper 1 of the modification.
  • FIG. 8A to FIG. 8C are explanatory views of a method of mounting the diaper 1 on a low-weight child smaller than the mounting target.
  • one side on which the fastening tape 7 is disposed is also referred to as “tape side”, and the other side opposite thereto is also referred to as “non-tape side”.
  • stretched in the longitudinal direction is the state which the diapar 1 extended
  • the diaper 1 is in a stretched state until the dimension in the longitudinal direction of each member (for example, the side sheet 6 etc.) constituting the diaper 1 matches or approximates to the dimension in the longitudinal direction of that member alone. .
  • the crotch portion of the low-weight baby whose legs are pulled up abuts on a portion closer to one side in the longitudinal direction than the central portion in the longitudinal direction of the diaper 1.
  • the diaper 1 has a break starting point at a position (F1) at which the leg starts to rise from the buttocks in contact with the floor.
  • the position (F2) of the groin on the ventral side of the leg being pulled up By doing so, the portion (F1 to F2) of the diaper 1 in contact with the crotch of a low-weight child becomes the bottom, and the diaper 1 is likely to be deformed in three dimensions.
  • the diaper 1 when the diaper 1 has the elastic member 9 for a three-dimensional gather portion or the leg elastic member 10, the diaper 1 is formed three-dimensionally in a round shape with the skin side inside by the contraction of both elastic members 9 and 10. Therefore, the diaper 1 fits the posture of a low-weight child whose back is rounded in a C-shape.
  • the absorbent core 2 of the present embodiment has a first folding guiding portion 21a, a second folding guiding portion 21b, and a third folding guide which guide the sheet so as to bend along the width direction.
  • the portions 21c are provided at different positions in the longitudinal direction.
  • the first folding guiding portion 21a, the second folding guiding portion 21b, and the third folding guiding portion 21c are located in order from the tape side in the longitudinal direction.
  • the portion of the absorbent core 2 between the second fold induction portion 21b and the third fold induction portion 21c is the crotch portion of a low weight child whose leg is pulled up to the non-tape side.
  • the absorbent core 2 is broken at the second folding guiding portion 21b and the third folding guiding portion 21c, and the diaper 1 is three-dimensionally deformed so as to follow the low-weight child whose leg is pulled up to the non-tape side.
  • the portion of the absorbent core 2 between the first fold induction portion 21a and the second fold induction portion 21b is the crotch portion of a low weight baby whose leg is pulled up to the tape side.
  • the absorbent core 2 is broken at the first folding guiding portion 21a and the second folding guiding portion 21b, and the diaper 1 is three-dimensionally deformed so as to follow the low-weight child whose leg is pulled up to the tape side.
  • the diaper 1 of the present embodiment fits a low-weight child who takes a posture when in the womb, both when worn normally and when worn backwards and backwards. Therefore, it is possible to suppress the leakage of waste fluid. Also, low-weight children are less likely to move and have edema. Therefore, according to the diaper 1 of the present embodiment which fits to the posture of a low-weight child, unnecessary tightening is eliminated, and the occurrence of further edema can be prevented.
  • a pair of notches 22a protruding inward in the width direction is formed on both sides in the width direction of the absorbent core 2 as the first to third fold guiding portions 21a to 21c. 22c is provided.
  • the pair of notches 22a to 22c have symmetrical shapes with respect to a center line (not shown) that bisects the absorbent core 2 in the width direction, and are arranged symmetrically.
  • the notch portions 22a to 22c are not limited to the mountain shape shown in FIG. 5, and may be, for example, a rectangular shape or a cut line.
  • the basis weight (g / cm 2 ) of a member (such as a liquid absorbent fiber) constituting the absorbent core 2 is lower than that of the surrounding area, or the absorbent core 2 There is no member that constitutes Therefore, at the portion of the absorbent core 2 provided with the pair of notches 22a to 22c, the absorbent core 2 is easily bent along the width direction due to the difference in rigidity with the surrounding region.
  • the present invention is not limited to the formation of the first to third fold guiding portions 21a to 21c by the notches 22a to 22c.
  • the absorbent core 2 may be bent along the width direction in a manufacturing process, or the basis weight of members constituting the absorbent core 2 may be reduced along the width direction, or the width direction of the absorbent core 2 may be reduced.
  • the first to third fold guiding portions 21a to 21c may be formed by forming slits along the width direction in the central portion of the sheet.
  • the arrangement of the first to third fold guiding portions 21a to 21c may be as follows. As shown in FIG. 4, the second folding guiding portion 21 b may be located at the center CL ⁇ b> 1 of the diaper 1 in the longitudinal direction. In addition, the center CL1 of the diaper 1 is not limited to the top of the notch 22b of the second folding guide 21b, and any portion of the notch 22b may be positioned.
  • the 1st folding guidance part 21a and the 3rd folding guidance part 21c are located symmetrically with respect to center CL1 of diaper 1 in a longitudinal direction. That is, the length from the center CL1 of the diaper 1 to the apex of the notch 22a of the first folding guiding portion 21a and the length from the center CL1 of the diaper 1 to the apex of the recess 22c of the third folding guiding portion 21c are It should be equal.
  • the first folding guiding portion 21a is located at the center CL2 of the center CL1 of the diaper 1 in the longitudinal direction and the end 1a on one side of the diaper 1, and the third folding guiding portion 21c is of the diaper 1 in the longitudinal direction. It is good to be located in the center CL3 of the center CL1 and the other end 1b of the diaper 1.
  • the vertexes of the notches 22a and 22c of the first and third folding guiding portions 21a and 21c are located at the respective points CL2 and CL3 of the diaper 1, but any portion of the notches 22a and 22c Should just be located.
  • the first folding guiding portion 21a and the third folding guiding portion 21c may be located apart from the center CL1 of the diaper 1 by a quarter of the product length of the diaper 1.
  • the absorbent core 2 can be folded at a position corresponding to the ventral base (F2 in FIG. 3C) of the leg pulled up to a position where both knees stick to the abdomen.
  • the diaper 1 is three-dimensionally deformed so as to fit a low-weight child who takes a posture when in the womb.
  • the absorbent core 2 of the present embodiment has a narrow portion 2 ⁇ / b> A that is narrower than the end portion at the central portion in the longitudinal direction.
  • the first folding guiding portion 21a, the second folding guiding portion 21b, and the third folding guiding portion 21c are located in the narrow portion 2A.
  • the width of the absorbent core 2 between the first and second fold induction parts 21a and 21b is narrowed, and the width of the absorbent core 2 between the second and third fold induction parts 21b and 21c is narrowed. There is. That is, the width of the absorbent core 2 with which the crotch of a low weight child abuts is narrowed. Therefore, low-weight children can move their legs easily. In addition, when the legs of a low-weight child are closed, it is possible to suppress pressure on the skin of the low-weight child by the highly absorbent core 2.
  • the second folding and guiding portion 21b may be located at the central portion of the narrow portion 2A in the longitudinal direction. And it is good for the 1st folding guidance part 21a to be located in one side rather than central CL4 of center CL4 of narrow part 2A in the longitudinal direction, and end 2A1 of one side of narrow part 2A. Conversely, the third folding / guiding portion 21c may be located on the other side of the center CL4 of the narrow portion 2A in the longitudinal direction and the center CL6 of the other end 2A2.
  • the first folding guiding portion 21a and the third folding guiding portion 21c be separated from the center CL4 of the narrow portion 2A by at least 1/4 the length L2 of the narrow portion 2A.
  • the absorbent core 2 can be folded at a position corresponding to the ventral base (F2 in FIG. 3C) of the leg pulled up to a position where both knees stick to the abdomen.
  • the diaper 1 is three-dimensionally deformed so as to fit a low-weight child who takes a posture when in the womb.
  • the first folding guiding portion 21a and the third folding guiding portion 21c are preferably located at a position where the width of the absorbent core 2 starts to narrow, ie, the longitudinal direction of the narrow width portion 2A. It should be located at the end of the By doing so, the diaper 1 is three-dimensionally deformed so as to fit a low-weight child whose legs are raised so that both knees stick to the abdomen.
  • a part of each of the notches 22a and 22c of the first and third fold guiding portions 21a and 21c is formed by the outline 2A3 of the narrow portion 2A inclined inward in the width direction. Therefore, the inclination of the outline 2A3 becomes steep. Therefore, in a wider range in the longitudinal direction, the width of the absorbent core 2 can be narrowed, and the leg of the low-weight child can be easily pulled up.
  • Each length L3 from the center CL4 of the absorbent core 2 in the longitudinal direction to the end 2A1 on one side of the narrow portion 2A and the other end 2A2 is 22 of the longitudinal length L1 of the absorbent core 2 It is preferable that the length is% or more (L3 ⁇ L1 ⁇ 0.22).
  • the long narrow portions 2 ⁇ / b> A extend to both outer sides in the longitudinal direction, so that it is easy to pull up the leg of the low-weight child even when the diaper 1 is usually worn or worn backwards.
  • the narrow portion 2A can be brought into contact with the crotch of a low-weight child whose legs can be raised so that both knees stick to the abdomen, and the absorbent core 2 compresses the skin of the low-weight child Can be suppressed.
  • both side ends 2a in the width direction of the narrow portion 2A may have straight portions 2A4 along the longitudinal direction.
  • the width of the absorbent core 2 can be narrowed over a wider range in the longitudinal direction, as compared to the case where the side end of the narrow portion has an arc shape that is convex inward in the width direction. Therefore, a narrower narrow portion 2A is located at the crotch of a low weight child whose legs can be pulled up, and the absorbent core 2 can be used to suppress pressure on the skin of the low weight child.
  • the straight portions 2A4 may be provided on both sides in the longitudinal direction with respect to the center CL4 in the longitudinal direction of the absorbent core 2.
  • the leg can be easily pulled up even when the diaper 1 is normally worn or reversely worn, and the absorbent core 2 can be used to suppress pressure on the skin of a low-weight baby.
  • the width W1 of the absorbent core 2 of the second folding guide portion 21b (that is, the width between the apexes of the pair of notches 22b) and the width W2 of the absorbent core 2 in the linear portion 2A4 are 15 mm or more and 45 mm or less It is good to have a degree. By doing so, it is possible to suppress the pressure on the skin of a low-weight child with the absorbent core 2 while securing the absorption capacity of the absorbent core 2.
  • the indicator 12 whose color changes due to urination can be accommodated in the narrow portion 2A.
  • the indicator 12 easily reacts in the narrow portion 2A. Therefore, the indicator 12 can be reacted even with low urine weight of low-weight children, and it becomes easy to understand the replacement time of the diaper 1.
  • the tape-side end 2A1 of the narrow portion 2A be located below (non-tape side) than the lower end 7a (non-tape side end 7a) of the fastening tape 7 .
  • the absorption capacity of the absorbent core 2 can be secured by not making the narrow portions 2A unnecessarily long.
  • the apex 22a1 of the notch 22a of the first folding guiding portion 21a is also located below the non-tape side of the lower end 7a of the fastening tape 7.
  • the first folding guiding portion 21a is located at a position corresponding to the root (F2 in FIG. 3C) of the raised leg without the first folding guiding portion 21a being located at a position where the leg can not be pulled up. Is located.
  • the absorptive core 2 does not need to have the narrow part 2A.
  • the first to third fold guiding portions 21a to 21c may be provided to the absorbent core 2 having a rectangular shape in a plan view.
  • the absorbent core 2 of the present embodiment has a symmetrical shape with respect to the center CL4 in the longitudinal direction. Therefore, the fold guide portions (21a, 21c) are provided on both sides in the longitudinal direction with respect to the center CL4 in the longitudinal direction of the absorbent core 2, or the linear portions 2A4 of the absorbent core 2 are provided. Therefore, there is no difference between when the diaper 1 is usually worn and when it is worn backwards, and the diaper 1 fits with low-weight children.
  • the diaper 1 is passed between the legs of a low-weight child with a flat bottom, with the first waist part 1A side to which the fastening tape 7 is fixed facing forward.
  • the elastic member 9 for a three-dimensional gather portion located inside in the width direction has a greater influence on the deformation of the diaper 1 when it is bent.
  • the center 9 CL of the stretchable portion of the elastic member 9 for solid gathers may be located closer to the non-tape side than the center CL 1 of the diaper 1.
  • the first waist part 1A on the tape side is less likely to be curved than the second waist part 1C on the non-tape side, and tends to be maintained in a flat shape. Therefore, at the time of back and forth wearing, the first waist part 1A can be smoothly passed between the legs of a low-weight child who is lying down, and the diaper 1 can be easily put on.
  • the length of the sheet portion around the legs from the side end of the absorbent core 2 in the width direction to the side end of the diaper 1 is long, so the standing height of the solid gather portion 8 can be secured. Therefore, the length of the narrow portion 2A in the longitudinal direction may be longer than the length of the stretchable portion of the solid gathers elastic member 9 in the state where the diaper 1 is developed and stretched in the longitudinal direction.
  • the narrow portion 2A can be disposed over the long range of the solid gathers elastic member 9, and the solid gathers 8 can be erected more reliably. Therefore, the waste fluid can be blocked by the three-dimensional gatherer 8.
  • the length L4 of the longitudinal direction of the stretchable portion of the elastic member 9 for solid gathers is first folded
  • the length L5 in the longitudinal direction between the apexes (22a1 to 22c1) of the notches 22a and 22c of the guiding part 21a and the third folding guiding part 21c may be longer than or equal to L5 (L4 ⁇ L5).
  • the elastic member 9 for a three-dimensional gather portion over the long range of the first folding guiding portion 21a to the third folding guiding portion 21c. Therefore, when normally mounted, the second and third folding guiding portions 21b and 21c are the bottom, and when reversely mounted, the first and second folding guiding portions 21a and 21b are the bottom.
  • the diaper 1 can be formed round and three-dimensionally. Therefore, the diaper 1 fits with the posture of a low-weight child whose back is rounded in a C-shape.
  • the diaper 1 may be used also for a low-weight child smaller than the target size of the diaper 1.
  • the second waist part 1C is folded back to the non-skin side to make the state of FIG. 8B.
  • the diaper 1 in the state of FIG. 8B is placed on the wearer, the diaper 1 is folded in two, with the approximate center of the first folding guiding portion 21a and the second folding guiding portion 21b as the folding position FL2.
  • the first side flaps 31 are folded inward, and the fastening tape 7 is engaged with the skin side surface of the second waist portion 1C.
  • the absorbent core 2 is broken at the first folding guide portion 21a and the second folding guide portion 21b to be the bottom, and the diaper 1 is three-dimensionally deformed by fitting to the crotch portion of a low-weight baby.
  • the diaper 1 since the diaper 1 has the three fold induction parts 21a to 21c, it is easy to fold the part of the diaper 1 to the non-skin side by the third fold induction part 21c, and is used also for low weight children smaller than the target size. It can be said that it is easy.
  • the diaper 1 preferably has the following features.
  • a length L6 from the apex 22c1 (folding position FL1) of the notch 22c of the third folding guiding portion 21c to the end 2c on the non-tape side of the absorbent core 2 is It is preferable that the length L7 in the longitudinal direction between the apexes (22b1 to 22c1) of the notches 22b and 22c of the second folding guiding portion 21b and the third folding guiding portion 21c be shorter (L6 ⁇ L7).
  • the absorbent core 2 folded back to the non-skin side at the apex 22c1 (folding position FL1) of the notch 22c of the third folding guiding portion 21c is the same as that of the notch 22b of the second folding guiding portion 21b. It does not overlap with the vertex 22b1 in the thickness direction. Therefore, it is possible to prevent the fold of the absorbent core 2 in the second fold guiding part 21b from being inhibited by the absorbent core 2 folded back to the non-skin side. Therefore, the diaper 1 deforms in three dimensions so as to fit a low-weight child.
  • the tape-side end (root) 32a of the second side flap 32 in the longitudinal direction is on the non-tape side (longitudinal direction) than the apex 22c1 (folding position FL1) of the notch 22c of the third folding guiding portion 21c. It is good to be located outside).
  • the second waist portion 1C can be easily folded back to the non-skin side at the folding position FL1.
  • the tape-side end 32 a of the second side flap 32 is a portion of the outer edge of the diaper 1 that inclines inward in the width direction toward the tape side in the longitudinal direction, along the longitudinal direction or in the opposite direction It is a boundary point with the inclined part.
  • the tape-side end 32a of the second side flap 32 can also be said to be the point at which the width of the diaper 1 becomes the narrowest.
  • the length L6 in the longitudinal direction from the apex 22c1 (folding position FL) of the notch 22c of the third folding guiding portion 21c to the end 2c on the non-tape side of the absorbent core 2 in the longitudinal direction is the fastening tape 7 It is preferable that the width L2 be greater than or equal to L8 (L6 ⁇ L8).
  • the width L6 of the absorbent core 2 folded back to the non-skin side becomes equal to or more than the width L8 of the fastening tape 7. Therefore, as shown to FIG. 8C, the fastening tape 7 is easy to be latched by the highly rigid area
  • the fastening of the fastening tape 7 is stabilized and the fastening tape 7 is less likely to be detached, as compared with the case where the fastening tape 7 is fastened in the region of low rigidity of only the sheet.
  • the longitudinal direction of vertex 22a1, 22b1 of each notch 22a, 22b of 1st folding guidance part 21a and 2nd folding guidance part 21b It has a length L9 (first length) from the center CL7 (folding position FL2) to the non-tape side end 7a of the fastening tape 7 in the longitudinal direction.
  • the diaper 1 has length L10 (2nd length) from the vertex 22c1 of the notch 22c of the 3rd folding guidance part 21c to the edge 1b at the side of the non-tape of the diaper 1 in a longitudinal direction.
  • a position p2 away from the apex 22c1 of the notch 22c of the third fold guiding portion 21c from the apex 22c1 toward the tape by the length L10 is the position of the end 1b of the diaper 1 folded back to the non-skin side (FIG. 8C) reference).
  • a position p3 away from the center CL7 (folding position FL2) of the first folding guiding portion 21a and the second folding guiding portion 21b toward the non-tape side by a length L9 is an approximate locking position p3 of the end 7a of the fastening tape 7 (See FIG. 8C).
  • the position p2 of the end 1b of the diaper 1 folded back to the non-skin side is closer to the tape than the locking position p3 of the fastening tape 7 It is good to do. That is, it is preferable that the position p2 of the end 1b of the diaper 1 folded back to the non-skin side be located below the locking position p3 of the fastening tape 7 in the attached state (FIG. 8C) of the diaper 1.
  • the fastening tape 7 is difficult to be locked across the end 1 b of the diaper 1. That is, the fastening tape 7 is unlikely to be locked at the boundary between the portion of the diaper 1 folded back to the non-skin side and the portion of the diaper 1 not folded back. Thus, the locking of the fastening tape 7 is stabilized, and the fastening tape 7 is less likely to be detached.
  • the solid gather section 8 is formed by a joint section 40 in which the side sheet 6 is joined to the top sheet 3 with an adhesive or the like.
  • the joint portion 40 extends from the first joint portion 41 disposed at both ends in the longitudinal direction of the diaper 1 to one end 1 a of the diaper 1 in the longitudinal direction to the other end 1 b, and in the width direction than the first joint portion 41.
  • a second joint 42 disposed outside of
  • Position p4 of the longitudinal direction of end 41a by the side of a tape of the 1st joined part 41 arranged at the end of diaper 1 by the side of a non-tape serves as a rising starting point by the side of non-tape of solid gathers part 8.
  • the adhesive cures at the joint portion 40 (41, 42), and the rigidity is higher than that of the surrounding area. Therefore, the apex 22c1 of the notch 22c of the third folding guiding portion 21c may be located closer to the tape than the non-tape side rising starting point (p4) of the solid gathers portion 8.
  • a tape-type diaper not only a tape-type diaper but also a pad-type diaper, three fold guiding parts may be provided in the absorbent core.
  • the nurse or the like can wear the diaper without confirming which side in the longitudinal direction the notch portion is disposed. That is, it is not necessary to be aware of the longitudinal direction of the diaper.
  • 1 diaper (disposable diaper for low weight children), 1A first waist, 1B crotch, 1C second waist, 2 Absorbent core, 2A narrow part, 21a first folding guide, 21b second folding guide, 21c third folding guide portion 22a to 22c notched portion 3 top sheet, 4 leakproof sheet, 5 exterior sheets, 6 side sheets, 7 fastening tapes, 8 solid gathers, 9 solid gathers elastic members, 10 elastic legs, 11 tear lines, 12 indicators, 31 first side flaps, 32 second side flaps, 40 joints, 41 first joints, 42 second joints

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

Cette couche jetable (1) pour nourrisson de faible poids corporel a une direction longitudinale et une direction de largeur et est pourvue d'un noyau absorbant (2), et est caractérisée en ce que le noyau absorbant (2) a, selon différentes positions dans la direction longitudinale, une première section d'induction de pliage (21a), une seconde section d'induction de pliage (21b) et une troisième section d'induction de pliage (21c) qui induisent des plis le long de la direction de largeur.
PCT/JP2017/036546 2017-10-06 2017-10-06 Couche jetable pour nourrisson de faible poids corporel Ceased WO2019069468A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2017/036546 WO2019069468A1 (fr) 2017-10-06 2017-10-06 Couche jetable pour nourrisson de faible poids corporel
JP2017565861A JP7034716B2 (ja) 2017-10-06 2017-10-06 低体重児用の使い捨ておむつ
TW107211297U TWM577310U (zh) 2017-10-06 2018-08-17 Disposable disposable diapers for low birth weight infants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/036546 WO2019069468A1 (fr) 2017-10-06 2017-10-06 Couche jetable pour nourrisson de faible poids corporel

Publications (1)

Publication Number Publication Date
WO2019069468A1 true WO2019069468A1 (fr) 2019-04-11

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Application Number Title Priority Date Filing Date
PCT/JP2017/036546 Ceased WO2019069468A1 (fr) 2017-10-06 2017-10-06 Couche jetable pour nourrisson de faible poids corporel

Country Status (3)

Country Link
JP (1) JP7034716B2 (fr)
TW (1) TWM577310U (fr)
WO (1) WO2019069468A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0321238A (ja) * 1989-06-19 1991-01-30 Daio Paper Corp 紙おむつ
JP2005296435A (ja) * 2004-04-14 2005-10-27 Uni Charm Corp 使い捨ておむつ
JP2009189380A (ja) * 2008-02-12 2009-08-27 Oji Nepia Co Ltd 吸収性物品
WO2015046631A1 (fr) * 2014-07-25 2015-04-02 ユニ・チャーム株式会社 Couche-culotte jetable
JP2016007495A (ja) * 2014-06-26 2016-01-18 白十字株式会社 使い捨て吸収性物品
WO2016103482A1 (fr) * 2014-12-26 2016-06-30 ユニ・チャーム株式会社 Couche jetable
JP2016147080A (ja) * 2011-06-10 2016-08-18 ザ プロクター アンド ギャンブル カンパニー 吸収性物品で使用するためのラミネート吸収性コア、およびラミネート吸収性コアを作製する方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6750516B2 (ja) * 2017-01-20 2020-09-02 王子ホールディングス株式会社 吸収性物品および折り装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0321238A (ja) * 1989-06-19 1991-01-30 Daio Paper Corp 紙おむつ
JP2005296435A (ja) * 2004-04-14 2005-10-27 Uni Charm Corp 使い捨ておむつ
JP2009189380A (ja) * 2008-02-12 2009-08-27 Oji Nepia Co Ltd 吸収性物品
JP2016147080A (ja) * 2011-06-10 2016-08-18 ザ プロクター アンド ギャンブル カンパニー 吸収性物品で使用するためのラミネート吸収性コア、およびラミネート吸収性コアを作製する方法
JP2016007495A (ja) * 2014-06-26 2016-01-18 白十字株式会社 使い捨て吸収性物品
WO2015046631A1 (fr) * 2014-07-25 2015-04-02 ユニ・チャーム株式会社 Couche-culotte jetable
WO2016103482A1 (fr) * 2014-12-26 2016-06-30 ユニ・チャーム株式会社 Couche jetable

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JP7034716B2 (ja) 2022-03-14
TWM577310U (zh) 2019-05-01
JPWO2019069468A1 (ja) 2020-10-01

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