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CO5090866A1 - ABSORBENT STRUCTURES THAT INCLUDE STORAGE ELEMENTS OF FLUIDS WITH IMPROVED CAPACITY TO UNGROUND DISTRIBUTION ELEMENTS OF ELEVATED FLOW - Google Patents

ABSORBENT STRUCTURES THAT INCLUDE STORAGE ELEMENTS OF FLUIDS WITH IMPROVED CAPACITY TO UNGROUND DISTRIBUTION ELEMENTS OF ELEVATED FLOW

Info

Publication number
CO5090866A1
CO5090866A1 CO99015438A CO99015438A CO5090866A1 CO 5090866 A1 CO5090866 A1 CO 5090866A1 CO 99015438 A CO99015438 A CO 99015438A CO 99015438 A CO99015438 A CO 99015438A CO 5090866 A1 CO5090866 A1 CO 5090866A1
Authority
CO
Colombia
Prior art keywords
absorption
capillary
region
elements
region comprises
Prior art date
Application number
CO99015438A
Other languages
Spanish (es)
Inventor
Gianfranco Palumbo
Mattias Schmidt
Original Assignee
Procter & Gamble
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 Procter & Gamble filed Critical Procter & Gamble
Publication of CO5090866A1 publication Critical patent/CO5090866A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • 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
    • A61F13/534—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 having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—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 having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • 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
    • A61F2013/530437—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 having a part with elevated absorption means
    • A61F2013/530452—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 having a part with elevated absorption means having chemically-stiffened fibres
    • A61F2013/530459—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 having a part with elevated absorption means having chemically-stiffened fibres being curled
    • 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
    • A61F2013/530437—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 having a part with elevated absorption means
    • A61F2013/530452—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 having a part with elevated absorption means having chemically-stiffened fibres
    • A61F2013/530467—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 having a part with elevated absorption means having chemically-stiffened fibres being twisted
    • 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
    • A61F2013/530802—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 characterized by the foam or sponge other than superabsorbent
    • A61F2013/53081—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 characterized by the foam or sponge other than superabsorbent with special pore dimension or arrangement
    • A61F2013/530817—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 characterized by the foam or sponge other than superabsorbent with special pore dimension or arrangement being open cells

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

La presente invención se refiere a estructuras absorbentes para su uso en artículos absorbentes, que comprenden una primera región para captación/distribución de fluidos y una segunda región para almacenamiento de fluidos. La primera región comprende materiales que pueden tener una presión de desorción capilar relativamente alta, mientras que la segunda región comprende materiales o elementos que exhiben una presión de absorción capilar suficientemente alta de modo de drenar aún eficientemente la primera región. De este modo, la primera región comprende material que tiene un flujo acumulativo de más de 0,075 g/cm2/seg a 12,4 cm de altura, y/o un tiempo de escurrimiento de menos de 120 segundos a esa altura, y la segunda región comprende material que cumple por lo menos con uno de los requisitos siguientes: (a) una capacidad de absorción a 35 cm de por lo menos 15 g/g en el ensayo de sorción capilar; y/o (b) una capacidad de absorción a 0 cm de por lo menos 15 g/g en el ensayo de sorción capilar, y una eficiencia de absorción a 40 cm de por lo menos 55%; y/o(c) una Altura de Sorción Absorción Capilar, al 50% de su capacidad y a 0 cm de altura de absorción (CSAH 50), de por lo menos 35 cm en el ensayo de sorción capilar. <EMI FILE="99015438_1" ID="1" IMF=JPEG >The present invention relates to absorbent structures for use in absorbent articles, which comprise a first region for fluid collection / distribution and a second region for fluid storage. The first region comprises materials that can have a relatively high capillary desorption pressure, while the second region comprises materials or elements that exhibit a sufficiently high capillary absorption pressure so as to still efficiently drain the first region. Thus, the first region comprises material that has a cumulative flow of more than 0.075 g / cm2 / sec at 12.4 cm high, and / or a runoff time of less than 120 seconds at that height, and the second region comprises material that meets at least one of the following requirements: (a) an absorption capacity at 35 cm of at least 15 g / g in the capillary sorption test; and / or (b) an absorption capacity at 0 cm of at least 15 g / g in the capillary sorption test, and an absorption efficiency at 40 cm of at least 55%; and / or (c) a Capillary Absorption Absorption Height, at 50% capacity and 0 cm absorption height (CSAH 50), of at least 35 cm in the capillary sorption assay. <EMI FILE = "99015438_1" ID = "1" MFI = JPEG>

CO99015438A 1998-03-13 1999-03-12 ABSORBENT STRUCTURES THAT INCLUDE STORAGE ELEMENTS OF FLUIDS WITH IMPROVED CAPACITY TO UNGROUND DISTRIBUTION ELEMENTS OF ELEVATED FLOW CO5090866A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1998/005043 WO1999045878A1 (en) 1998-03-13 1998-03-13 Absorbent structures comprising fluid storage members with improved ability to dewater high flux distribution members

Publications (1)

Publication Number Publication Date
CO5090866A1 true CO5090866A1 (en) 2001-10-30

Family

ID=22266593

Family Applications (1)

Application Number Title Priority Date Filing Date
CO99015438A CO5090866A1 (en) 1998-03-13 1999-03-12 ABSORBENT STRUCTURES THAT INCLUDE STORAGE ELEMENTS OF FLUIDS WITH IMPROVED CAPACITY TO UNGROUND DISTRIBUTION ELEMENTS OF ELEVATED FLOW

Country Status (18)

Country Link
EP (1) EP1061877A1 (en)
JP (1) JP2002505911A (en)
KR (1) KR20010041808A (en)
CN (1) CN1292669A (en)
AR (1) AR018157A1 (en)
AU (1) AU6556198A (en)
BR (1) BR9815731A (en)
CA (1) CA2322566A1 (en)
CO (1) CO5090866A1 (en)
CZ (1) CZ20003200A3 (en)
HU (1) HUP0102906A3 (en)
IL (1) IL138232A0 (en)
MX (1) MXPA00008960A (en)
PE (1) PE20000535A1 (en)
TR (1) TR200002637T2 (en)
TW (1) TW401292B (en)
WO (1) WO1999045878A1 (en)
ZA (1) ZA991995B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040024375A1 (en) * 2002-08-02 2004-02-05 John Litvay Multi-functional tissue for absorbent articles
CA2619929A1 (en) 2005-09-06 2007-03-15 Tyco Healthcare Group Lp Self contained wound dressing with micropump
US8198505B2 (en) 2006-07-12 2012-06-12 The Procter & Gamble Company Disposable absorbent articles comprising non-biopersistent inorganic vitreous microfibers
WO2013003686A1 (en) 2011-06-30 2013-01-03 The Procter & Gamble Company Absorbent structure comprising an oil-scavenger component
CN107252383A (en) 2011-07-14 2017-10-17 史密夫及内修公开有限公司 Wound dressing and treatment method
CN107095739B (en) 2012-05-23 2020-11-13 史密夫及内修公开有限公司 Apparatus and method for negative pressure wound therapy
AU2013298198B2 (en) 2012-08-01 2017-05-11 Smith & Nephew Plc Wound dressing
ES2625709T3 (en) 2012-08-01 2017-07-20 Smith & Nephew Plc. Wound dressing
KR101670644B1 (en) * 2013-10-31 2016-10-28 센주긴조쿠고교 가부시키가이샤 Flux recovery device and soldering device
EP3666237B1 (en) 2014-06-18 2023-11-01 Smith & Nephew plc Wound dressing
US10729600B2 (en) 2015-06-30 2020-08-04 The Procter & Gamble Company Absorbent structure
CN108348385B (en) 2015-11-04 2021-06-15 宝洁公司 Absorbent structure
CN108348387B (en) 2015-11-04 2021-05-28 宝洁公司 Absorbent structure
CA3004318C (en) 2015-11-04 2021-06-08 The Procter & Gamble Company Absorbent structure comprising a heterogeneous mass
EP3370784B1 (en) 2015-11-04 2024-06-12 The Procter & Gamble Company Absorbent structure
GB2555584B (en) 2016-10-28 2020-05-27 Smith & Nephew Multi-layered wound dressing and method of manufacture
JP2021500171A (en) 2017-11-06 2021-01-07 ザ プロクター アンド ギャンブル カンパニーＴｈｅ Ｐｒｏｃｔｅｒ ＆ Ｇａｍｂｌｅ Ｃｏｍｐａｎｙ Absorbent article with conforming features
JP2022519610A (en) * 2019-02-13 2022-03-24 ザ プロクター アンド ギャンブル カンパニー Women's hygiene pad with non-woven topsheet with improved feel

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
CH532158A (en) 1969-12-10 1972-12-31 Ciba Geigy Ag Use of N-heterocyclic perfluoroalkyl monocarboxylic acid esters for the finishing of textile fiber material
US3699103A (en) 1970-10-07 1972-10-17 Hoffmann La Roche Process for the manufacture of 5-desoxy-l-arabinose and novel intermediates
PH23956A (en) 1985-05-15 1990-01-23 Procter & Gamble Absorbent articles with dual layered cores
US4935022A (en) 1988-02-11 1990-06-19 The Procter & Gamble Company Thin absorbent articles containing gelling agent
US5387207A (en) 1991-08-12 1995-02-07 The Procter & Gamble Company Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same
US5260345A (en) 1991-08-12 1993-11-09 The Procter & Gamble Company Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials
US5147345A (en) * 1991-08-12 1992-09-15 The Procter & Gamble Company High efficiency absorbent articles for incontinence management
SE508400C2 (en) * 1993-12-29 1998-10-05 Sca Hygiene Prod Ab Absorption body in an absorbent article
US5599335A (en) 1994-03-29 1997-02-04 The Procter & Gamble Company Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer
US5563179A (en) * 1995-01-10 1996-10-08 The Proctor & Gamble Company Absorbent foams made from high internal phase emulsions useful for acquiring and distributing aqueous fluids
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US5843852A (en) * 1995-12-21 1998-12-01 Kimberly-Clark Worldwide, Inc. Absorbent structure for liquid distribution
ES2166847T3 (en) * 1996-05-28 2002-05-01 Procter & Gamble MATERIALS FOR THE DISTRIBUTION OF FLUIDS, WITH IMPROVED PROPERTIES OF SUCTION OR CAPILLARY ACTION OR DATE.

Also Published As

Publication number Publication date
MXPA00008960A (en) 2001-05-01
JP2002505911A (en) 2002-02-26
TR200002637T2 (en) 2000-11-21
PE20000535A1 (en) 2000-07-26
CA2322566A1 (en) 1999-09-16
CN1292669A (en) 2001-04-25
CZ20003200A3 (en) 2001-02-14
IL138232A0 (en) 2001-10-31
WO1999045878A1 (en) 1999-09-16
EP1061877A1 (en) 2000-12-27
TW401292B (en) 2000-08-11
ZA991995B (en) 1999-09-13
AR018157A1 (en) 2001-10-31
AU6556198A (en) 1999-09-27
KR20010041808A (en) 2001-05-25
HUP0102906A2 (en) 2002-01-28
HUP0102906A3 (en) 2002-02-28
BR9815731A (en) 2000-12-26

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