JP4279049B2 - Absorption mat - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an absorbent mat laid on the surface of a bed when an incontinence patient or an infant goes to bed.
[0002]
[Prior art]
When an incontinence patient such as an elderly person or a sick person or an infant with nocturnal enuresis goes to bed, a liquid-blocking sheet or an absorbent mat having a function of absorbing urine is laid on the surface of the bed.
[0003]
Patent Literature 1 below discloses a nursing deodorant rug having a liquid absorbing function and a deodorizing function. This nursing deodorant rug is laid by wrapping a wing extending on both sides of a base sheet around a side edge of a bed.
[0004]
The care deodorant rug is overlapped with a water-repellent base sheet so that a part of the cover sheet can be peeled off, and the deodorant sheet can be interposed between the base sheet and the cover sheet. It has become. A water absorption / water retention sheet is installed on the cover sheet, but a flat fastener piece is attached to each of the periphery of the base cover and the water absorption / water retention sheet, and by joining the flat fastener pieces, The water absorption / water retention sheet can be fixed to a base sheet.
[0005]
[Patent Document 1]
Japanese Patent Laid-Open No. 2002-95690
[Problems to be solved by the invention]
Since the deodorizing rug for nursing care uses a plurality of flat fastener pieces to fix the base sheet and the water-absorbing / water-holding sheet, when the water-absorbing / water-holding sheet is mounted out of position, It is necessary to release the joining of the flat fastener pieces and reattach them, and the attaching operation is troublesome. In addition, the individual flat fastener pieces may be joined in a state where the water absorption / water retention sheet is bent or wrinkled, and in this case, it is difficult to correct the bending or wrinkle of the water absorption / water retention sheet.
[0007]
Furthermore, the place where the flat fastener pieces are joined rises to the surface side, and the flat fastener pieces are likely to give a foreign object feeling to an elderly person or patient sleeping. Furthermore, the raised portion of the flat fastener piece may apply local pressure to the body, compressing skin tissue and blood vessels, and possibly causing blood flow disturbance.
[0008]
The present invention solves the above-described conventional problems, and provides an absorbent mat that is easy to position and attach an absorbent sheet to a base sheet, and that is easy to attach and detach, and that does not bulge flat fastener pieces and the like. The purpose is to do.
[0009]
The present invention, in an absorbent mat having a rectangular base sheet having a front surface and a back surface, and an absorbent sheet removably attached to the surface of the base sheet,
When the line passing through the midpoints of the two opposite sides of the quadrangle is a center line extending in the vertical direction and the direction orthogonal to the center line is the horizontal direction, both sides from the center line on the surface of the base sheet A pair of liquid-impervious holding sheets is arranged with a space between each of the holding sheets , and each holding sheet is arranged in a lateral direction from an inner edge facing the center line to an outer edge facing the center line. Has a width dimension,
From the inner edge, until the depth end located between the inner edge and the outer edge, the holding space and each of the retaining sheet and the surface of the base sheet is not fixed form Has been
Between the end of the depth and the outer edge, the holding sheet and the surface are bonded to the entire surface or a bonded portion is formed that is bonded intermittently,
Both sides of the absorbent sheet capable of absorbing and holding liquid can be held in the holding space.
[0010]
The absorbent mat can be installed without easily moving the absorbent sheet by simply inserting both sides of the absorbent sheet into the holding space between the base sheet and the holding sheet. Even if it is bent or wrinkled, it is easy to correct it. Further, the absorbent sheet can be easily attached to and detached from the base sheet. Furthermore, since a flat fastener piece or the like is not used, the surface is flat and there is little possibility of giving a foreign body feeling to an elderly person, a sick person or an infant.
[0011]
Pair With this embodiment, the holding sheet, the outer edge and the inner edge is placed on the surface of the base sheet so as to be parallel to the center line, facing each other and extending in a direction perpendicular to the center line These lateral edges are fixed to the base sheet .
[0012]
In the above configuration, the holding space has a bag shape in which both end portions of the inner edge portion are closed, so that the absorbent sheet inserted into the holding space is difficult to move both in the horizontal direction and in the vertical direction.
[0013]
Moreover, in this invention, the width dimension of the extension part from the said depth end to the edge part furthest away from the said centerline of the said base sheet is 20 cm or more .
[0014]
By winding the extended portion of the above dimensions around the edge of the bed, the base sheet can be attached to the bed without moving.
[0015]
Further, the present invention can be configured as both end portions are Oite, absorbing layer on the base sheet surface is provided in a region where the absorbent sheet held in the holding space is superimposed on the base sheet.
[0016]
In this absorbent mat, urine that could not be absorbed by the absorbent sheet can be held by the absorbent layer, and it is easy to prevent leakage of urine from the base sheet to the bed.
[0017]
In the present invention, a slip prevention layer made of low-density polyethylene or a rubber-based resin material appears on the back surface of the base sheet.
[0018]
By providing the slip prevention layer, it is easy to prevent the base sheet from slipping or wrinkling on the surface of the bed. Further, since the resin layer is used to prevent the displacement, the convex portion due to the provision of the displacement preventing means is not formed, and the body does not feel uncomfortable or locally pressed.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a perspective view showing an absorbent mat according to a first embodiment of the present invention, FIG. 2A is a cross-sectional view of the absorbent sheet shown in FIG. 1, taken along line AA, and FIG. FIG. 3 is a partial cross-sectional view showing a state in which an absorbent sheet is attached to the base sheet.
[0020]
An absorbent mat 1 shown in FIG. 1 includes a base sheet 2 and an absorbent sheet 10 that is detachably attached to the base sheet 2.
[0021]
The base sheet 2 is a quadrilateral having longitudinal edges 2a, 2a parallel to the longitudinal center line OO and lateral edges 2b, 2b orthogonal to the longitudinal center line OO. The base sheet 2 shown in FIG. 1 has a rectangular shape in which the lateral edges 2b and 2b are longer than the longitudinal edges 2a and 2a. However, the base sheet 2 may be square, or may have a rectangular shape in which the vertical edges 2a and 2a are longer than the horizontal edges 2b and 2b.
[0022]
The base sheet 2 is installed on the surface of the bed, that is, the surface of the bed mat or the mattress. At this time, the vertical center line OO is installed along the vertical center line of the bed. The base sheet 2 is laid such that the longitudinal side edges 2a, 2a are wound around the back side of the bed mat or mattress. Therefore, the lateral width W1 of the base sheet 2 is about 100 cm to 250 cm, and is determined according to the width dimension of the bed on which the base sheet 2 is laid.
[0023]
Since the base sheet 2 is laid under the waist of an elderly person, a sick person, or an infant, the longitudinal length L1 is, for example, 40 cm or more.
[0024]
As shown in FIGS. 1 and 2B, the base sheet 2 has a surface 21 on the side facing the body and a back surface 22 on the side facing the surface of the bed. On the surface 21 of the base sheet 2, holding sheets 3 and 3 are provided at intervals in the horizontal direction. The outer edges 3 a and 3 a of the holding sheets 3 and 3 substantially coincide with the vertical edge 2 a of the base sheet 2, and the horizontal edges 3 b and 3 b of the holding sheets 3 and 3 are the horizontal edges of the base sheet 2. It almost coincides with the portions 2b and 2b. The inner edge portions 3c and 3c of the holding sheets 3 and 3 are parallel to the longitudinal center line OO and at a position equidistant from the longitudinal center line OO to the left and right.
[0025]
As shown in FIGS. 1 and 2B, holding spaces 5 and 5 are formed between the surface 21 of the base sheet 2 and the holding sheets 3 and 3, respectively. In the holding spaces 5 and 5, portions where the inner edge portions 3 c and 3 c of the holding sheets 3 and 3 face the surface 21 of the base sheet 2 are openings 5 a and 5 a. Further, the depth end edges 5b and 5b of the holding spaces 5 and 5 are located at positions where the width dimension Wa enters from the inner edges 3c and 3c toward the outer edges 3a and 3a. The depth end edges 5b, 5b extend in parallel with the inner edge portions 3c, 3c, and the surface 21 of the base sheet 2 and the holding sheets 3, 3 are joined at the depth end edges 5b, 5b.
[0026]
The holding spaces 5 and 5 have a length dimension La extending in the vertical direction, and the front surface 21 of the base sheet 2 and the holding sheets 3 and 3 at the vertical ends 5c and 5c of the holding spaces 5 and 5. And are joined. In this embodiment, the base sheet 2 and the holding sheet 3 are joined entirely or intermittently between the depth end edges 5b, 5b and the outer edges 3a, 3a, and the end ends 5c, 5c The base sheet 2 and the holding sheet 3 are bonded to the entire surface or intermittently between the direction edge portions 3b and 3b.
[0027]
As a result, the holding spaces 5 and 5 have a bag shape in which the openings 5a and 5a are directed to the longitudinal center line OO, and the portions other than the openings 5a and 5a are closed.
[0028]
The holding space 5, 5 has a width Wa, that is, a depth dimension of 1 to 10 cm, preferably 3 to 5 cm. Within the above range, the absorbent sheet 10 can be reliably held by the holding spaces 5 and 5, and the depth dimensions of the holding spaces 5 and 5 are not too large, and the holding sheets 3 and 3 can be used for the liquid absorbent sheet 10. Does not reduce the surface area of the liquid receiving side.
[0029]
In the embodiment shown in FIGS. 1 to 3, the thin absorbent layer 7 is overlaid on the surface 21 of the base sheet 2. The absorption layer 7 is disposed between the depth end edge 5b and the depth end edge 5b of the holding spaces 5, 5, and the surface 21 of the base sheet 2 and the absorption layer 7 are bonded to each other with a hot-melt adhesive or the like. ing.
[0030]
The base sheet 2 has extended portions 8 and 8 between the depth end edges 5b and 5b of the holding spaces 5 and 5 and the longitudinal edges 2a and 2a. The lateral width W2 of the extending portions 8, 8 is 20 cm or more, and preferably 30 cm. When it has the said width dimension W2, it becomes possible to wind this extension part 8 and 8 over the back surface from the edge of a bed mat or a mattress.
[0031]
As shown in FIG. 1, the absorbent sheet 10 has longitudinal edges 10a, 10a parallel to each other and lateral edges 10b, 10b orthogonal to the longitudinal edges 10a, 10a. The width dimension Wc in the lateral direction of the absorbent sheet 10 is the same as or slightly shorter than the distance dimension Wb between the depth end edge 5b and the depth end edge 5b of the holding space 5,5. The longitudinal dimension Lb of the absorbent sheet 10 is the same as or slightly shorter than the longitudinal dimension La of the holding spaces 5 and 5.
[0032]
The absorbent sheet 10 may have a rectangular shape in which the lengths of the vertical edge 10a and the horizontal edge 10b are different from each other, but the dimensions La and Wb of the base sheet 2 are substantially equal, and the absorbent sheet 10 is If it is square, it can be held in the holding spaces 5 and 5 without worrying about the direction of the absorbent sheet 10.
[0033]
As shown in FIG. 2A, the absorbent sheet 10 is sandwiched between a liquid-permeable top sheet 11 and a liquid-impermeable back sheet 13, and the top sheet 11 and the back sheet 13. And an absorbent core 12. In the absorbent sheet 10, the top sheet 11 and the back sheet 13 are bonded and fixed with a hot-melt adhesive or the like at an outer peripheral portion that is removed from the absorbent core 12.
[0034]
When using the absorbent mat 1 having the above-described configuration, the base sheet 2 is laid on the surface of the bed on the portion of the bed that touches the waist of an elderly person, a sick person, or an infant, and the extending portions 8 and 8 are extended from both side edges of the bed mat or mattress. Clamp it over the back and fix it. Then, as shown in FIG. 3, the liquid absorbent sheet 10 is positioned and fixed with both side portions of the absorbent sheet 10 sandwiched between the holding spaces 5 and 5. Or you may make it wind the said extension parts 8 and 8 around the back surface of a bed mat or a mattress after the both sides of the absorbent sheet 10 are inserted | pinched inside the holding spaces 5 and 5 previously.
[0035]
The absorbent sheet 10 is always positioned accurately and installed without moving on the base sheet 2 simply by being sandwiched between the holding spaces 5 and 5. Moreover, even if wrinkles occur in the absorbent sheet 10, it can be corrected by simply extending the part. Since the holding sheets 3 and 3 are formed of a thin sheet material, even if the holding sheets 3 and 3 are overlapped with the base sheet 2, it is difficult to give a sense of incongruity to the body or to give a large compressive force locally to the body. There is nothing.
[0036]
Urine or the like leaked by an elderly person, a sick person, or an infant passes through the top sheet 11 of the absorbent sheet 10 and is absorbed by the absorbent core 12. Moreover, since the urine etc. which were absorbed by the absorption core 12 are interrupted | blocked by the back surface sheet 13, it can suppress that urine etc. ooze out toward the base sheet 2. FIG. Moreover, even if urine that could not be absorbed by the absorbent sheet 10 leaks toward the base sheet 2, it prevents the urine from being absorbed by the absorbent layer 7 below and directly soiling the bed mat or mattress. it can.
[0037]
Further, when the absorbent sheet 10 is used for a predetermined time and the absorbent sheet 10 absorbs urine, the absorbent sheet 10 is replaced. In this replacement operation, the absorbent sheet 10 is removed from the holding spaces 5 and 5. This can be done simply by taking out and inserting the new absorbent sheet 10 into the holding spaces 5 and 5.
[0038]
As shown in FIG. 2B, the base sheet 2 is a laminate of a base material layer 23 located on the front surface 21 side and a slip prevention layer 24 appearing on the back surface 22 side. For example, the base material layer 23 is a resin film such as polyethylene resin or polypropylene resin, and the slip prevention layer 24 is a rubber-based resin film such as low density polyethylene (LDPE), SIS, or SBS. The base sheet 2 can be formed by melting and coextrusion laminating the resin material forming the base material layer 23 and the resin material forming the slip prevention layer 24, respectively. Alternatively, the base material layer 23 is laminated and bonded in the order of spunbond nonwoven fabric, point bond nonwoven fabric, spunbond nonwoven fabric / melt blown nonwoven fabric / spunbond nonwoven fabric formed of synthetic fibers such as polyethylene, polypropylene, and polyester. It may be a composite nonwoven fabric, and low-density polyethylene or the rubber-based resin may be melt-extruded and laminated on the surface of the nonwoven fabric to form the slip prevention layer 24.
[0039]
The base sheet 2 configured as described above is liquid-impermeable and can prevent urine or the like absorbed by the absorption layer 7 from oozing out to the back surface 22. Further, the anti-slipping layer 24 formed of low-density polyethylene or rubber-based resin has a tack property, so that it can exert a large frictional force against the surface of the bed mat or mattress, and on the surface of the bed mat or mattress. The base sheet 2 can be prevented from shifting. Therefore, it is possible to prevent the absorbent mat 1 from being greatly displaced or wrinkled when an elderly person, a sick person, or an infant turns over on the absorbent mat 1.
[0040]
Further, since the anti-slipping layer 24 is a smooth resin film and does not have a protrusion, the anti-slipping layer 24 does not form a bulge and does not give a sense of foreign matter to the body.
[0041]
The holding sheets 3 and 3 for forming the holding spaces 5 and 5 are liquid- impermeable, for example, a spunbond nonwoven fabric, a point bond nonwoven fabric, or an air-through nonwoven fabric formed of synthetic fibers such as polyethylene, polypropylene, and polyester. It is. Or the composite nonwoven fabric laminated | stacked and joined in order of the spun bond nonwoven fabric / melt blown nonwoven fabric / spun bond nonwoven fabric may be sufficient. The holding sheets 3 and 3 are preferably made of water-repellent-treated fibers, or those having been subjected to water-repellent treatment after forming a nonwoven fabric.
[0042]
The absorbent layer 7 includes at least one of a hydrophilic fiber or a synthetic fiber that has been subjected to a hydrophilic treatment, and is an airlaid nonwoven fabric in which a web is laminated by an airlaid method and the fibers are bonded with an acrylic adhesive, or the above fibers. A formed spunlace nonwoven fabric, a paper material made from pulp, a paper material made from pulp and rayon, or the like is used. The basis weight can be selected, for example, in the range of 75 to 200 g / m ² , and the density is preferably in the range of 0.1 to 1.0 g / m ³ so as to have a relatively cushioning property for laying under the human body. More preferably, it is 0.15-0.75 g / m < ³ >.
[0043]
As shown in FIG. 2 (A), the back sheet 13 constituting the absorbent sheet 10 is formed by laminating a base material layer 14 and a slip prevention layer 15, and the back sheet 13 includes the base sheet 2 and the base sheet 2. The same can be used. The back sheet 13 is liquid-impermeable and the anti-slipping layer 15 faces the absorbent layer 7, so that the absorbent sheet 10 is less likely to be displaced on the surface 21 of the base sheet 2.
[0044]
The same thing as the said absorption layer 7 can be used for the absorption core 12 of the absorbent sheet 10, and the thing of the same density as the absorption layer 7 is used preferably so that it may have cushioning properties. Further, the top sheet 11 of the absorbent sheet 10 is formed with a resin film having a large number of liquid-permeable holes, a spunlace nonwoven fabric or a spunbonded nonwoven fabric with liquid-permeable holes, or a gap through which liquid passes. Air-through nonwoven fabric.
[0045]
The present invention is not limited to the first embodiment, and various modifications can be made.
[0046]
FIG. 4 is a perspective view showing an absorbent mat 1A according to the second embodiment of the present invention.
Holding sheets 3 and 3 are laminated on the left and right sides of the surface 21 of the base sheet 2A of the absorbent mat 1A, and holding spaces 5A and 5A are formed between the surface of the base sheet 2A and the holding sheets 3 and 3, respectively. Yes. In the holding spaces 5A and 5A, depth end edges 5b and 5b are formed at positions separated by a predetermined width Wa from the inner edges 3c and 3c of the holding sheets 3 and 3 toward the outer edges 3a and 3a. None of the inner edge portions 3c, 3c is joined to the base sheet 2A. Accordingly, the holding spaces 5A and 5A have openings 5a and 5a that face the longitudinal center line OO, and both ends in the longitudinal direction are also open portions 5d and 5d.
[0047]
When the both sides of the absorbent sheet 10 are sandwiched between the holding spaces 5A and 5A, the absorbent sheet 10 is restrained in the lateral direction, but not restrained in the longitudinal direction. However, since the both sides of the absorbent sheet 10 are sandwiched between the holding spaces 5A and 5A, the absorbent sheet 10 can be positioned on the base sheet 2A, and the slip prevention layer 15 appears on the back surface of the absorbent sheet 10. For this reason, it is possible to prevent the absorbent sheet 10 from moving in the vertical direction.
[0048]
FIG. 5 is a cross-sectional view showing an absorbent mat 1B according to a third embodiment of the present invention.
In the absorbent mat 1B, a structure in which the absorbing layer 7 is provided in contact regardless the surface of the base sheet 2B, directly to the absorbent sheet 10 to the surface 21 of the base sheet 2B is placed.
[0049]
Further, the outer edge 3e of the holding sheet 3 is provided at a position closer to the vertical center line OO than the vertical edge 2a of the base sheet 2B. And the part pinched | interposed by the outer side edge part 3e and the vertical direction edge part 2a becomes the extension part 8 wound in the both sides of a bed mat or a mattress.
[0050]
The absorbent mat of each of the above embodiments can be used after the absorbent sheet 10 is disposable and replaced with a new absorbent sheet 10. Moreover, since the base sheet is also formed of a resin film or a non-woven fabric, it can be disposable after a certain period of use.
[0051]
【The invention's effect】
As described above, the absorbent mat of the present invention can be easily attached and detached from the absorbent sheet installed on the base sheet, and the replacement work can be simplified. Moreover, since there are few local unevenness | corrugations on the surface, a foreign body feeling is not given to a body and a body is not strongly pressed locally.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an absorbent mat according to a first embodiment of the present invention,
2A is a cross-sectional view taken along the line AA of the absorbent sheet shown in FIG. 1, and FIG. 2B is a cross-sectional view taken along the line BB of the base sheet shown in FIG.
FIG. 3 is a partial cross-sectional view showing a state where an absorbent sheet is installed on a base sheet,
FIG. 4 is a perspective view showing an absorbent mat according to a second embodiment of the present invention.
FIG. 5 is a partial sectional view showing an absorbent mat according to a third embodiment of the present invention;
[Explanation of symbols]
1, 1A, 1B Absorption mat 2, 2A, 2B Base sheet 3 Holding sheet 5, 5A Holding space 5a Opening 5b Depth end edge 5c Vertical end edge 7 Absorbing layer 8 Extension part 10 Absorbent sheet 11 Top sheet 12 Absorption core 13 Back sheet 15, 24 Slip prevention layer

Claims (5)

In an absorbent mat having a rectangular base sheet having a front surface and a back surface, and an absorbent sheet removably attached to the surface of the base sheet,
When the line passing through the midpoints of the two opposite sides of the quadrangle is a center line extending in the vertical direction and the direction orthogonal to the center line is the horizontal direction, both sides from the center line on the surface of the base sheet A pair of liquid-impervious holding sheets is arranged with a space between each of the holding sheets , and each holding sheet is arranged in a lateral direction from an inner edge facing the center line to an outer edge facing the center line. Has a width dimension,
From the inner edge, until the depth end located between the inner edge and the outer edge, the holding space and each of the retaining sheet and the surface of the base sheet is not fixed form Has been
Between the end of the depth and the outer edge, the holding sheet and the surface are bonded to the entire surface or a bonded portion is formed that is bonded intermittently,
An absorbent mat, wherein both sides of the absorbent sheet capable of absorbing and holding liquid can be held in the holding space. The holding sheet, the outer edge and inner edge is placed on the surface of the base sheet so as to be parallel to the center line, said pair of lateral edges facing each other and extending transversely to the base sheet The absorbent mat according to claim 1, which is fixed to the pad. The absorbent mat according to claim 1 or 2 , wherein a width dimension of an extending part from the depth end to an edge part farthest from the center line of the base sheet is 20 cm or more.   The absorption layer is provided in any one of Claim 1 thru | or 3 in the area | region where the said absorbent sheet with which both ends were hold | maintained in the said holding | maintenance space is piled up on the said base sheet. Absorption mat.   The absorbent mat according to any one of claims 1 to 4, wherein a slip-preventing layer formed of low-density polyethylene or a rubber-based resin material appears on the back surface of the base sheet.

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