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WO2006110067A1 - Tampon absorbant - Google Patents

Tampon absorbant Download PDF

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Publication number
WO2006110067A1
WO2006110067A1 PCT/RU2006/000178 RU2006000178W WO2006110067A1 WO 2006110067 A1 WO2006110067 A1 WO 2006110067A1 RU 2006000178 W RU2006000178 W RU 2006000178W WO 2006110067 A1 WO2006110067 A1 WO 2006110067A1
Authority
WO
WIPO (PCT)
Prior art keywords
absorbent
liquid
user
absorbent element
pad according
Prior art date
Application number
PCT/RU2006/000178
Other languages
English (en)
Russian (ru)
Inventor
Irina Ivanovna Aksentieva
Original Assignee
Irina Ivanovna Aksentieva
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 Irina Ivanovna Aksentieva filed Critical Irina Ivanovna Aksentieva
Publication of WO2006110067A1 publication Critical patent/WO2006110067A1/fr

Links

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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4758—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a longitudinal direction

Definitions

  • the invention relates to a disposable absorbent pad, which is used mainly as a menstrual pad.
  • Absorbent gaskets are known in the art (analogues are U.S. Patent JV ° 5439458, class A61F13 / 15, A61F 13/20; U.S. Patent No. JA 5681300, class A61F13 / 15, A61F13 / 20; U.S. Patent Number JN ° 6171291 Bl, class.
  • body fluids hereinafter referred to as liquids or exudates
  • Absorbent pads contain the front, crotch, and back sections, where, during use of the strip, the front section is adjacent to the pubis, the crotch section is adjacent to the labia majora, and the posterior portion is adjacent to the buttocks of the wearer.
  • a liquid-permeable layer facing the wearer's body while wearing the product a liquid-impermeable layer located on the opposite side of the gasket, an absorber located between the liquid-permeable and liquid-impermeable layers, and accumulating liquid, penetrating through the permeable layer of the gasket.
  • Both woven and non-woven material, or a perforated sheet of plastic can be used as a liquid-permeable material facing the user's body while wearing the product (see analogues - U.S. Patent Nos. 4324246, 4690679, 3463154, 4795455).
  • the liquid impermeable layer may be made of a non-woven material containing polyethylene or polypropylene, or a woven material of designed to impervious to liquids (see analogue - US patent JYs 4731066).
  • the structure of the absorber should ideally be such that the absorbent pad absorbs the exudates immediately upon their arrival so that these exudates do not accumulate or otherwise remain on top of the pad, but are immediately transported to the place where they could be stored.
  • the absorber must provide a system for the distribution and storage of exudates, which effectively uses all its absorption capacity.
  • the described concept is characterized in that a part of the absorbent components of the absorber has a granular structure.
  • the material of the absorbent component of the absorber is designed in such a way that while wearing, as well as in contact with the liquid, it remains loose, which ensures optimal conformity of the product in shape to the response portion of the user's body during various movements and under various types of loads.
  • the prior art absorbent pad (see analogue - RF patent Ns 2203641, figures 4, 6, class A61F13 / 15), containing a liquid-permeable layer facing the user's body, a liquid-impermeable layer located on the opposite side the user's body to the side of the gasket, an absorber located between the permeable and liquid-tight layers, a rigid element located within at least the crotch area and configured to compress in the transverse direction. Rounded ridges are formed along the lateral edges of the gasket, made curved in the downward and inward directions, which during use of the gasket are designed to contact the body in the inguinal folds of the user.
  • a raised profile is formed between the ridges by the absorber, designed to be placed between the user's labia majora.
  • this product has a restriction on filling with exudates, since the absorber is small.
  • the interdental pads tend to cause inconvenience when used by most women.
  • Exudate absorbers are known from the prior art that contain superabsorbent materials that can solve the problems of gel blocking the liquid and flatten the fibers when wetted, and can also quickly receive and transfer exudates over a relatively large part of the area of the absorbent material (see analogues - RF patent Ns 2090170, class A61F13 / 15, A61F13 / 46; U.S. Patent N ° 4610678, 4765780, 4798603, 4935022).
  • a known exudate absorber (see the closest analogue is RF patent N ° 2125861, class A61 F 13/46), located between the permeable and liquid impermeable layers.
  • the mentioned absorber contains a large number of layers, where in each pair of layers the uppermost layer is a receiving and distributing layer that quickly takes exudates, and the lower layer is a storage layer and consists, at least in part, of a high-speed absorbing gel material.
  • the absorbent pads described above fulfill their function, namely, they efficiently absorb and retain the exudates released, mainly when the user is awake and controls the position and filling of the pads.
  • the absorbent pad is deformed in most cases and its anatomical alignment with the opposing surface of the user's body shape to which it is adjacent is violated, and when the user is on his back, the pad is located bent to a horizontal surface and does not fit snugly to the body of the user, which does not allow the gasket to effectively absorb all the liquid released by the user, part of the cat swarm rush along mezhyagodichnoy user gap and contaminate underwear.
  • the user of the vehicle may also encounter the above-described problem with the seat cushion position underestimated towards the back of the seat when the rear portion of the pad is slightly below the arcuate curved crotch portion of the pad. Disclosure of invention
  • the absorbent pad contains the front, crotch and back sections, the last of which is located opposite the intergluteal fissure and is adjacent to the buttocks of the user when using the pad, in addition, the pad contains a liquid-permeable layer facing the user's body, a liquid-impermeable layer, located on the side of the gasket opposite from the user's body, an absorber located between the permeable and liquid-tight layers and accumulating liquid b penetrating the napkin, and the rear section of the napkin is additionally equipped with an absorbent element designed to be placed in the intergluteal crevice of the user and containing a base located on the outer surface of the liquid-permeable layer, the front part located on the side of the crotch section and receiving from the body the user's fluid, the side
  • Fig.l - shows an absorbent pad made in accordance with the present invention.
  • Figure 2 - shows an alternative embodiment of an absorbent gasket made in accordance with the present invention.
  • Fig.Z - shows a cross section along the line A-A of figure 1.
  • FIG. 4 - shows a cross section along the line BB of figure 2.
  • FIG. 5 - shows an alternative absorbent pad, made along the line BB of figure 2.
  • FIG. 6 is a longitudinal section along the line B-B of FIG. 2.
  • FIG. 7- schematically shows an absorbent element with an adhesive substance on the base.
  • FIG. 8 is a schematic illustration of an absorbent element with an alternative embodiment of an adhesive substance forming a liquid-permeable adhesion surface.
  • FIG. 9 - shows the absorbent pad, made along the line B-B of figure 2, in the user's position "on the back".
  • absorbent treatment it is understood that articles which absorb and retain liquid, mainly menstrual blood, are excreted from the user's body (hereinafter referred to as liquid).
  • Absorbent gaskets are a “one-off” product, are not intended for reuse and are disposed of after the first use, i.e. not intended for restoration in the laundry room or in any other way for reuse.
  • the absorbent pad 1 (hereinafter referred to as the pad 1) contains a liquid-permeable layer 2 facing the user’s body and contacts said outer surface 3 with said body; a liquid-impermeable layer 4 located on the opposite side of the pad 1 from the user's body and facing the underwear of the user; an absorber 5 located between said permeable 2 and liquid impermeable 4 layers; an absorbent element 6 located on the outer surface 3 of the liquid-permeable layer 2.
  • Permeable 2 and liquid impermeable 4 layers preferably have a width greater than the width of the absorber 5, and are permanently connected together along the perimeter of the strip 1 with the formation of longitudinal 7 and 8 edges, as well as the front 9 and rear 10 transverse edges.
  • the gasket 1 also contains the front AND, crotch 12 and rear 13 sections along which the previously mentioned longitudinal edges 7 and 8 extend, in addition, the front section 11 is bounded by the front transverse edge 9 and the rear section 13 is bounded by the rear transverse edge 10.
  • Connection of permeable 3 and liquid-impermeable 4 layers can be performed by any suitable method, for example, by gluing, stitching, heat welding or ultrasound.
  • the front section 11 is facing forward of the user's body and is adjacent to the pubis
  • the crotch section 12 is located opposite the vagina and adjacent to the labia majora
  • the posterior section 13 is located opposite the intergluteal gap and is adjacent to the buttocks of the user.
  • the crotch section 12 forms a part of the gasket 1, designed to receive and absorb the main part of the liquid, which is released by the user's body into the gasket 1 during its use.
  • the gasket 1 taking into account the anatomy of the user, in particular, the outer contour of the gasket 1 can be in the form of a “doggie” or “sandwiches”, that is, the crotch section 12 is slightly narrowed towards the longitudinal axis W the gasket 1, relative to the front 11 and rear 13 sections, so that the gasket 1 is conveniently located between the legs of the user.
  • the division of the gasket 1 into the front 11, the crotch 12 and the rear 13 sections does not imply clear boundaries between them, but mainly aimed at facilitating the description of the strip 1, starting from the differences that are in the front 11, crotch 12 and rear 13 sections, depending on how they are supposed to be located relative to the user's body.
  • the liquid permeable layer 2 receives and conducts the liquid to the absorber 5, while the liquid permeable layer 2 must have good permeability in order to ensure quick passage and direction of the liquid to the absorber 5.
  • the liquid permeable layer 2 should be soft and pleasant to the body the user and, in addition, capable of preventing the so-called reverse wetting of the user's body. For reasons of comfort and in order to avoid irritation to the skin, it is important that the outer surface 3 of the liquid-permeable layer 2 in contact with the body is kept as dry as possible when using the gasket 1. In addition, during use, the dry surface of the gasket 1 is perceived by the user purely visually as cooler and more pleasant, and during manipulation when replacing the gasket 1 is more attractive than a damp surface covered with spots.
  • the liquid permeable layer 2 can be made of the following materials, for example, porous foams, plastic nets, perforated plastic films, natural fibers (e.g. wood or cotton fibers), artificial fibers (e.g. polyester, or polypropylene, or polyurethane fibers), or from a combination of natural and synthetic fibers.
  • the liquid-permeable layer 2 should contain a large number of pores for quick absorption of the liquid and its removal from the user's body and from the place of selection.
  • the fibers of which the liquid-permeable layer 2 consists do not lose their physical properties, in particular elasticity, under the action of the liquid.
  • liquid permeable layer 2 can be treated with, for example, a surfactant to allow free passage of liquid through it.
  • the use of hydrophobic fibers allows the liquid to pass to the absorber 5 without even leaving moisture on the outer surface 3 of the liquid-permeable layer 2.
  • the liquid impermeable layer 4 is an element of the gasket 1, preventing the leakage of liquid on the underwear of the user. It is important that the liquid-impermeable layer 4 is comfortable and safe for the user, i.e. It did not cause allergies to the user and met the liquid tightness criterion.
  • Examples of materials that are suitable for use as a liquid impermeable layer 4 are plastic films consisting of polyethylene, polypropylene or polyester. However, materials that are initially liquid permeable but which are coated with a plastic, polymer or other liquid impermeable material can be used. In this case, leakage of liquid from the underside of the gasket 1 is prevented.
  • the liquid-impermeable layer 4 may consist of a liquid-impervious plastic layer facing the absorber 5 and an outer layer of non-woven material facing the underwear of the user.
  • a liquid impermeable layer 4 is felt as a textile product.
  • the absorber 5 is a means of receiving and retaining the fluid released by the user.
  • the absorber 5 must effectively receive, distribute, and also retain the fluid released from the body during the second or other subsequent release.
  • the absorber 5 may contain one or more layers.
  • the absorber 5 may comprise an upper layer for receiving and distributing liquid, and a lower layer for holding said liquid (not shown in the figures), while said layers may remain unbonded, or may be bonded by, for example, spraying glue.
  • the top layer may contain fibrous materials, for example, polyester, rayon, or similar materials, or combinations of these materials.
  • the top layer may further include thermoplastic fibers in order to give the top layer stability and maintain its structural integrity.
  • the bottom layer may be made of cellulosic fluffy mass, or compressed peat moss, or a combination of cellulosic fluffy mass and compressed peat moss.
  • the absorber 5 may also be made of cellulose fleece and / or cotton fiber, to which superabsorbent materials can or may not be added, capable of absorbing liquid in quantities many times greater than their own weight.
  • Super absorbent materials may include polymer absorbent gelling materials, super absorbent fibers, for example, acrylate graft polymer fibers and super absorbent fibers of modified cellulose.
  • the polymer absorbent gelling materials are typically in the form of particles mixed with a cellulosic fleece and / or cotton fiber.
  • the absorbent element 6 is designed to be placed in the intergluteal crevice of the user for quick collection and at least temporary retention of fluid discharged from the body by the user and not absorbed by the crotch area 12 of the pad 1, in order to prevent fluid from leaking onto the user's underwear.
  • the absorbent element 6, according to figures 1 and 2 is located on the outer surface 3 of the liquid-permeable layer 2 within the rear portion 1 and mainly in the center and along the longitudinal axis W of the gasket 1.
  • the absorbent element 6 contains a base 14 facing the outer surface 3 of the permeable for fluid layer 2; the front part 15 facing the location of the crotch section 12 or the exit of fluid from the user's body; a rear portion 16 opposite the front portion 15; the lateral parts 17 and 18 adjacent to the opposite sections of the buttocks in the intergluteal fissure of the user; outer surface 19 facing the user's body.
  • the absorbent element 6 may have profiles of various shapes, allowing it to be consistent with the anatomy of the user, i.e. with geometric contours of the counter surface of the buttocks of the user.
  • the profile of the absorbent element 6 can be made in the form of an isosceles triangle, as shown in figure 3, or in the form of a hemisphere slightly expanded at the base 14, as shown in figure 4, or in the form of a triangle with an arcuate concave towards the longitudinal axis W of the strip 1 by the side parts 17 and 18, as shown in figure 5.
  • the absorbent element 6, filled according to figures 3 and 4 under the influence of the buttocks of the user could be deformed and thereby be consistent with the geometric contours of the opposite surface of the buttocks of the user.
  • the profile shape of the absorbent element 6 can be selected taking into account the type of material from which it is made.
  • the absorbent element 6, according to figure 5 can be made from extruded under high pressure and temperature cotton fibers using hot-melt binder fibers uniformly distributed in a mixture with cotton fibers.
  • the front part 15 of the absorbent element 6 should efficiently absorb liquid discharged from the body by the user and not absorbed by the interstitial portion 12 of the gasket 1 in order to allow it to pass along the side parts 17, 18 towards the rear part 16 of the absorbent element 6.
  • Preferred an option is to make the front part 15 in the form of a flattened section, as shown in figure 1, or in the form of a wedge-shaped section, as shown in figure 2.
  • the absorbent element 6 can be formed by layers, for example, the upper 20 and lower 21, where the lower layer 21 is located under the upper layer 20 and is in contact with the outer surface 3 of the liquid-permeable layer 2.
  • the upper layer 20 may have a higher density than the lower layer 21, which will give the user a tactile sense of integrity of the absorbent element 6.
  • the preferred option is to give the lower layer 21 multifunctional properties related to the high speed of reception and distribution of fluid along the side parts 17, 18 toward the rear portion 16 of the absorbent element 6, while the outer surface 19 of the side portions 17, 18 should remain as dry as possible to reduce the likelihood of skin irritation of the user.
  • the absorbent element 6 can be made of a wide variety of absorbent materials, it should be borne in mind that the absorbent element 6 must be inert in chemical and biological decomposition, AND
  • the absorbent element 6 can be made of natural fibers, such as cotton or cellulose, into which hot-melt binder fibers can be added. If the absorbent element 6 consists of layers, then the upper layer 19 may be made of materials previously mentioned for the manufacture of liquid permeable layer 2, and the lower layer 21 may be made of fibrous materials, such as cotton or rayon.
  • An optional option is the presence in the lower layer 21 of the rear part 16 of the absorbent element 6 of the previously mentioned superabsorbent materials, which block the liquid out through the outer surface 19 of the rear part 16.
  • An advantageous embodiment of the gasket 1 is the implementation of an absorbent element 6 with a length L ranging from 20 mm to 60 mm and a height h ranging from 7 mm to 20 mm.
  • the absorbent element 6 can be attached to the liquid-permeable layer 2 by means of an adhesive substance 22, forming, according to FIG. 7, a liquid-tight layer located along the perimeter of the base 14 of the absorbent element 6.
  • the adhesive substance 22, according to figure 8 can be made in the form of filamentary fibers forming a “pintinky” and, accordingly, a liquid-permeable adhesion surface.
  • An alternative is the fastening of the absorbent element 6 to the liquid-permeable layer 2 by means of crosslinking 23, for example, by thermal adhesion (thermofusion) or with textile threads.
  • the stitching 23 can be performed along the perimeter of the base 14, as shown in figure 2, while it is necessary to ensure that the liquid permeable layer 2 is not damaged so that it could cause the liquid to flow out through it, i.e. to the user's body.
  • the area of the base 14 through which the liquid enters through the liquid-permeable layer 2 to the absorber 5 is larger the area of the outer surface 19 of the front portion 15 of the absorbent element 6. If the absorbent element 6 is connected to the outer surface 3 of the liquid-permeable layer 2 with an adhesive composition 22 applied in the form of continuous strips, as shown in figure 7, then the area of the portion 24 of the base 14 directly in contact with said outer surface 3 of the liquid-permeable layer 2, should be larger than the area of the outer surface 19 of the front portion 15 of the absorbent element 6.
  • the gasket 1 can be additionally provided with flexible wings 25 and 26 located at least in the area of the crotch section 12 and protruding to the side.
  • the wings 25 and 26 are designed to be wrapped around the edges of the holes in the panties for legs or similar underwear of the user and mounted on the outside to the panties.
  • the gasket 1 can be fixed to the user's panties using a pressure sensitive adhesive 27 located on the liquid-tight layer 4 in the central zone along the longitudinal axis W of the gasket 1, as well as on the mentioned wings 25 and 26.
  • the adhesive 27 is closed by a removable element 28 that protects it from contamination, which is removed before using the gasket 1.
  • the front section 11 is adjacent to the pubis
  • the crotch section 12 is located opposite the zone 29 of the fluid exit from the body and is adjacent to the labia majora
  • the rear section 13 is located opposite the intergluteal gap and is adjacent to the buttocks, while the absorbent element 6 is located in the intergluteal gap of the user.
  • the liquid (shown on 9 by arrows), liberated abundantly from the body by the user and not absorbed by the interstitial portion 12 of the pad 1, rushes along the outer surface 3 of the liquid-permeable layer 2 or along the outer surface of the user's body to the absorbent element 6 and the delay INDICATES therein, wherein part of the liquid through the base 14 and the liquid-permeable layer 2 can enter the absorber 5.
  • the above-described gasket 1 is hygienic and has a high degree of comfort.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (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

L'invention concerne un tampon absorbant (1) à usage unique, destiné à s'utiliser comme tampon hygiénique. Le tampon comprend des zones avant (11), périnée (12) et arrière (13), la zone arrière se situant en face de la raie fessière et adhérant aux fesses de l'utilisateur / l'utilisatrice pendant l'utilisation du tampon (1). De plus, le tampon (1) comprend une couche perméable aux liquides (2) tournée vers le corps de l'utilisateur / l'utilisatrice, imperméable aux liquides, un absorber disposé du coté opposé du corps de l'utilisateur / l'utilisatrice du tampon (1), qui est situé entre les couches perméable (2) et imperméable, qui accumule le liquide pénétrant dans le tampon (1). La nouveauté de l'invention consiste en ce qui la zone arrière (13) du tampon (1) est également munie d'un élément absorbant supplémentaire (6) destiné à être disposé dans la raie fessière de l'utilisateur / l'utilisatrice et comportant une base située à la surface externe (3) de la couche perméable au liquide, une partie avant (15) disposée du côté de la zone intermédiaire (12) et recevant le liquide s'écoulant de l'organisme de l'utilisateur / l'utilisatrice, ainsi que des parties latérales (17) et (18) qui adhèrent aux fesses de l'utilisateur / l'utilisatrice lors de l'utilisation du tampon (1).
PCT/RU2006/000178 2005-04-12 2006-04-11 Tampon absorbant WO2006110067A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2005110712/14A RU2301051C2 (ru) 2005-04-12 2005-04-12 Прокладка абсорбирующая
RU2005110712 2005-04-12

Publications (1)

Publication Number Publication Date
WO2006110067A1 true WO2006110067A1 (fr) 2006-10-19

Family

ID=37087274

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2006/000178 WO2006110067A1 (fr) 2005-04-12 2006-04-11 Tampon absorbant

Country Status (2)

Country Link
RU (1) RU2301051C2 (fr)
WO (1) WO2006110067A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5604500B2 (ja) * 2012-11-27 2014-10-08 花王株式会社 吸収性物品

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302523A2 (fr) * 1987-08-06 1989-02-08 Kimberly-Clark Corporation Tampon pour absorber l'exsudat humain
US5197959A (en) * 1988-03-31 1993-03-30 The Procter & Gamble Company Absorbent article
RU2003120445A (ru) * 2000-12-08 2004-10-27 Ска Хайджин Продактс Аб Сужающееся абсорбирующее изделие с боковыми телами

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0004536L (sv) * 2000-12-08 2002-06-09 Sca Hygiene Prod Ab Dambinda

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302523A2 (fr) * 1987-08-06 1989-02-08 Kimberly-Clark Corporation Tampon pour absorber l'exsudat humain
US5197959A (en) * 1988-03-31 1993-03-30 The Procter & Gamble Company Absorbent article
RU2003120445A (ru) * 2000-12-08 2004-10-27 Ска Хайджин Продактс Аб Сужающееся абсорбирующее изделие с боковыми телами

Also Published As

Publication number Publication date
RU2301051C2 (ru) 2007-06-20
RU2005110712A (ru) 2006-10-20

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