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High efficiency absorbent articles for incontinence management

  • US 5,147,345 A
  • Filed: 08/12/1991
  • Issued: 09/15/1992
  • Est. Priority Date: 08/12/1991
  • Status: Expired due to Term
First Claim
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1. An absorbent article useful for absorbing aqueous body fluids discharged by an incontinent individual, said absorbent article comprisingA) a relatively liquid-impervious backing sheet;

  • B) a relatively liquid-pervious topsheet; and

    C) an absorbent core positioned between said backing sheet and said topsheet, said absorbent core comprisingi) a fluid acquisition/distribution component positioned to receive discharged body fluids passing through the article topsheet, said fluid acquisition/distribution component comprising a porous hydrophilic structure which exhibits an initial Fluid Acquisition Rate of at least about 2 mL of synthetic urine per second; and

    ii) a fluid storage/redistribution component maintained in fluid communication with said fluid acquisition/distribution component, said storage/redistribution component comprising a polymeric foam material in the form of a hydrophilic, flexible, open-celled structure which has a free absorbent capacity at 37°

    C. of at at least about 12 mL of synthetic urine per gram of dry foam material and which also has an absorbent capacity for said synthetic urine under a confining pressure of 5.1 kPa maintained for 15 minutes at 37°

    C. which is at least about 5% of its free absorbent capacity.

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