CO5060473A1 - Estructuras de barrera permeales al aire impermeables al liquido y productos hechos a partir de las mismas - Google Patents

Estructuras de barrera permeales al aire impermeables al liquido y productos hechos a partir de las mismas

Info

Publication number
CO5060473A1
CO5060473A1 CO98048515A CO98048515A CO5060473A1 CO 5060473 A1 CO5060473 A1 CO 5060473A1 CO 98048515 A CO98048515 A CO 98048515A CO 98048515 A CO98048515 A CO 98048515A CO 5060473 A1 CO5060473 A1 CO 5060473A1
Authority
CO
Colombia
Prior art keywords
liquid
porous layer
permeable
substrate
air
Prior art date
Application number
CO98048515A
Other languages
English (en)
Inventor
Vincent Paul Lasko
Ciesielski Mary Gail
Original Assignee
Mcneil Ppc Inc
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 Mcneil Ppc Inc filed Critical Mcneil Ppc Inc
Publication of CO5060473A1 publication Critical patent/CO5060473A1/es

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
    • A61F13/53—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
    • A61F13/539—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 characterised by the connection of the absorbent layers with each other or with the outer layers
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
    • 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
    • A61F13/51—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 outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
    • A61F13/5146—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable having apertures of perforations
    • 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
    • A61F13/51—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 outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F13/51458—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable
    • A61F13/51462—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being air-pervious or breathable being defined by a value or parameter
    • 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
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • 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
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • 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
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/425—Porous materials, e.g. foams or sponges

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Materials Engineering (AREA)
  • Hematology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dermatology (AREA)
  • Dispersion Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Laminated Bodies (AREA)

Abstract

Una estructura de barrera permeable al aire, sustancialmenteimpermeable al líquido caracterizada porque comprende por lo menos una capa porosa que tiene lados opuestos, estando constituida la capa porosa por: un sustrato que tiene poros que se extienden entre los lados opuestos, que corresponden a los lados opuestos de la capa porosa; de manera que un líquido pueda atravesar el sustrato: y partículas que están fundidas a al menos un lado del sustrato poroso, a fin de resistir la entrada del líquido a los poros; en donde la capa porosa resiste sustancialmente la penetración por el líquido cuando está contenida en un producto absorbente de prueba que queda encima del primer lado de la capa porosa, al que están fundidas las partículas bajo una carga de 0.07 kg/cm2 , y donde la capa porosa tiene un valor Frazier de permeabilidad al aire que está en la escala de más de cero hasta alrededor de 861 mm3 / m2 /minuto.Adicionalmente se relaciona con un producto absorbente, que tiene bordes longitudinales opuestos y bordes transversales opuestos, y que comprende una lámina permeable al líquido, orientada hacia el cuerpo, una barrera permeable al aire, sustancialmente permeable al líquido orientada hacia una prenda íntima, y una estructura absorbente intermedia.
CO98048515A 1997-08-25 1998-08-25 Estructuras de barrera permeales al aire impermeables al liquido y productos hechos a partir de las mismas CO5060473A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/917,987 US6277104B1 (en) 1997-08-25 1997-08-25 Air permeable, liquid impermeable barrier structures and products made therefrom

Publications (1)

Publication Number Publication Date
CO5060473A1 true CO5060473A1 (es) 2001-07-30

Family

ID=25439608

Family Applications (1)

Application Number Title Priority Date Filing Date
CO98048515A CO5060473A1 (es) 1997-08-25 1998-08-25 Estructuras de barrera permeales al aire impermeables al liquido y productos hechos a partir de las mismas

Country Status (17)

Country Link
US (1) US6277104B1 (es)
EP (1) EP0900571B1 (es)
JP (1) JPH11128272A (es)
CN (1) CN1321624C (es)
AR (1) AR016867A1 (es)
AT (1) ATE284228T1 (es)
AU (1) AU757223B2 (es)
BR (1) BR9803225A (es)
CA (1) CA2245335C (es)
CO (1) CO5060473A1 (es)
CZ (1) CZ269298A3 (es)
DE (1) DE69828002T2 (es)
ES (1) ES2234054T3 (es)
HU (1) HUP9801909A1 (es)
SG (1) SG79990A1 (es)
TW (1) TW412416B (es)
ZA (1) ZA987643B (es)

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CZ269298A3 (cs) 1999-03-17
AR016867A1 (es) 2001-08-01
ZA987643B (en) 2000-02-24
HUP9801909A1 (hu) 1999-10-28
ATE284228T1 (de) 2004-12-15
EP0900571B1 (en) 2004-12-08
HU9801909D0 (en) 1998-10-28
EP0900571A2 (en) 1999-03-10
EP0900571A3 (en) 2000-10-11
DE69828002D1 (de) 2005-01-13
TW412416B (en) 2000-11-21
CN1321624C (zh) 2007-06-20
BR9803225A (pt) 2000-01-11
DE69828002T2 (de) 2005-11-24
CA2245335A1 (en) 1999-02-25
SG79990A1 (en) 2001-04-17
CN1209312A (zh) 1999-03-03
CA2245335C (en) 2008-02-12
US6277104B1 (en) 2001-08-21
JPH11128272A (ja) 1999-05-18
AU757223B2 (en) 2003-02-06
ES2234054T3 (es) 2005-06-16
AU7999998A (en) 1999-03-04

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