PE20000791A1 - LIQUID TRANSPORTATION MEMBER HAVING HIGH PERMEABILITY IN BULKY REGIONS AND HIGH PRESSURE POINT OF BUBBLING - Google Patents

LIQUID TRANSPORTATION MEMBER HAVING HIGH PERMEABILITY IN BULKY REGIONS AND HIGH PRESSURE POINT OF BUBBLING

Info

Publication number
PE20000791A1
PE20000791A1 PE1999000601A PE00060199A PE20000791A1 PE 20000791 A1 PE20000791 A1 PE 20000791A1 PE 1999000601 A PE1999000601 A PE 1999000601A PE 00060199 A PE00060199 A PE 00060199A PE 20000791 A1 PE20000791 A1 PE 20000791A1
Authority
PE
Peru
Prior art keywords
region
average
bubbling
porosity
pressure point
Prior art date
Application number
PE1999000601A
Other languages
Spanish (es)
Inventor
Fred Desai
Mattias Schmidt
Karl Michael Schumann
Gerald Alfred Young
Donald Carroll Roe
Bruno Johannes Ehrnsperger
Gary Dean Lavon
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 PE20000791A1 publication Critical patent/PE20000791A1/en

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
    • A61F13/534—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
    • A61F13/5376—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 characterised by the performance of the layer, e.g. acquisition rate, distribution time, transfer time
    • 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
    • A61F13/36—Surgical swabs, e.g. for absorbency or packing body cavities during surgery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/08—Thickening liquid suspensions by filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/08—Thickening liquid suspensions by filtration
    • B01D17/085—Thickening liquid suspensions by filtration with membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2031—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure
    • 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
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15365—Dimensions
    • A61F2013/1539—Dimensions being expandable
    • 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
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15487—Capillary properties, e.g. wicking
    • A61F2013/15495—Capillary properties, e.g. wicking pore dimension
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/32—Hydrocarbons, e.g. oil

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Thermal Sciences (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)
  • Chemical Kinetics & Catalysis (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Mechanical Engineering (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)

Abstract

MIEMBRO PARA TRANSPORTE DE LIQUIDOS QUE COMPRENDE : i) AL MENOS UNA REGION DE VOLUMEN DE PERMEABILIDAD PROMEDIO kb, POROSIDAD DE CUANDO MENOS 50%, DENSIDAD PROMEDIO MINIMO DE 0,001 g/cm3; Y, ii) UNA REGION DE PARED, QUE CIRCUNSCRIBE A i), LA CUAL COMPRENDE UNA REGION DE PUERTO DE PERMEABILIDAD PROMEDIO kp, POROSIDAD DE CUANDO MENOS 10%, ESPESOR PROMEDIO DE NO MAS DE 100 µm. DICHO MIEMBRO TIENE UNA PRESION P EN EL PUNTO DE BURBUJA, MEDIDO CON UN LIQUIDO DE TENSION SUPERFICIAL DE 72 mN/m, DE 1 KPa, TAL QUE P*P*kb > m*(E/2)*l*l SIENDO "l" LA TENSION SUPERFICIAL DEL LIQUIDO QUE SE HA DE TRANSPORTAR, "E" LA POROSIDAD VOLUMETRICA DE ESE MIEMBRO, Y m ES CUANDO MENOS 1. UNA PRIMERA REGION DEL MIEMBRO COMPRENDE PRIMEROS MATERIALES EN CONTACTO CON UN ELEMENTO ADICIONAL EL CUAL SE EXTIENDE HACIA EL INTERIOR DE UNA VECINA SEGUNDA REGION DEL MIEMBRO. ADEMAS, kb/kp ES DE CUANDO MENOS 10, LA RELACION DE VOLUMEN ENTRE i) Y ii) AL MENOS DE 10, Y LA PROPORCION ENTRE EL TAMANO PROMEDIO DE PORO DE LA REGION DE VOLUMEN Y EL DE LA REGION DE PUERTO ES DE AL MENOS 10MEMBER FOR TRANSPORTATION OF LIQUIDS THAT INCLUDES: i) AT LEAST ONE REGION OF AVERAGE PERMEABILITY VOLUME kb, POROSITY OF AT LEAST 50%, MINIMUM AVERAGE DENSITY OF 0.001 g / cm3; AND, ii) A WALL REGION, CIRCUMSCRIBING TO i), WHICH INCLUDES A PORT REGION OF AVERAGE PERMEABILITY kp, POROSITY OF AT LEAST 10%, AVERAGE THICKNESS OF NO MORE THAN 100 µm. SAID MEMBER HAS A PRESSURE P AT THE POINT OF BUBBLE, MEASURED WITH A LIQUID SURFACE TENSION OF 72 mN / m, OF 1 KPa, SUCH THAT P * P * kb> m * (E / 2) * l * l BEING " l "THE SURFACE TENSION OF THE LIQUID TO BE TRANSPORTED," E "THE VOLUMETRIC POROSITY OF THAT MEMBER, AND m IS WHEN LESS THAN 1. A FIRST REGION OF THE MEMBER INCLUDES FIRST MATERIALS IN CONTACT WITH AN ADDITIONAL ELEMENT WHICH EXTENDS TOWARDS THE MEMBER INTERIOR OF A SECOND REGION MEMBER NEIGHBOR. ALSO, kb / kp IS AT LEAST 10, THE VOLUME RATIO BETWEEN i) AND ii) AT LEAST 10, AND THE PROPORTION BETWEEN THE AVERAGE PORE SIZE OF THE VOLUME REGION AND THE PORT REGION IS AL MINUS 10

PE1999000601A 1998-06-29 1999-06-30 LIQUID TRANSPORTATION MEMBER HAVING HIGH PERMEABILITY IN BULKY REGIONS AND HIGH PRESSURE POINT OF BUBBLING PE20000791A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1998/013523 WO2000000131A1 (en) 1998-06-29 1998-06-29 Liquid transport member having high permeability bulk regions and high threshold pressure port regions

Publications (1)

Publication Number Publication Date
PE20000791A1 true PE20000791A1 (en) 2000-11-04

Family

ID=22267399

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1999000601A PE20000791A1 (en) 1998-06-29 1999-06-30 LIQUID TRANSPORTATION MEMBER HAVING HIGH PERMEABILITY IN BULKY REGIONS AND HIGH PRESSURE POINT OF BUBBLING

Country Status (7)

Country Link
EP (1) EP1091712A1 (en)
JP (1) JP2002522250A (en)
AU (2) AU8378298A (en)
CA (1) CA2336022A1 (en)
PE (1) PE20000791A1 (en)
TW (1) TW416845B (en)
WO (2) WO2000000131A1 (en)

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US6659992B1 (en) 1998-06-29 2003-12-09 The Procter & Gamble Company Absorbent article instanteously storing liquid in a predefined pattern
US6764476B1 (en) 1998-06-29 2004-07-20 The Procter & Gamble Company Absorbent article comprising a liquid handling member that rapidly distributes acquired liquid
EP1110517A1 (en) 1999-12-23 2001-06-27 The Procter & Gamble Company Compressible urine collector
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US7569742B2 (en) 2005-09-07 2009-08-04 Tyco Healthcare Group Lp Self contained wound dressing with micropump
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EP3508182A1 (en) 2011-07-14 2019-07-10 Smith & Nephew PLC Wound dressing and method of treatment
JP6400570B2 (en) 2012-05-23 2018-10-10 スミス アンド ネフュー ピーエルシーＳｍｉｔｈ ＆ Ｎｅｐｈｅｗ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ Apparatus and method for local negative pressure closure therapy
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US10076449B2 (en) 2012-08-01 2018-09-18 Smith & Nephew Plc Wound dressing and method of treatment
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Also Published As

Publication number Publication date
EP1091712A1 (en) 2001-04-18
WO2000000131A1 (en) 2000-01-06
AU8378298A (en) 2000-01-17
TW416845B (en) 2001-01-01
JP2002522250A (en) 2002-07-23
AU4840699A (en) 2000-01-17
WO2000000136A1 (en) 2000-01-06
CA2336022A1 (en) 2000-01-06

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