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Body fluid absorbent article

  • US 7,847,145 B2
  • Filed: 03/29/2004
  • Issued: 12/07/2010
  • Est. Priority Date: 03/31/2003
  • Status: Active Grant
First Claim
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1. A body fluid absorbent article, whereinan absorbent is provided in a body fluid absorbent portion and includes a body fluid absorption and holding function and a shrinkage function when contact with a body fluid;

  • an absorption control, layer is provided on said absorbent, and a liquid impermeable range of which is reduced whenever a body fluid is excreted;

    said absorbent includes a fixed portion fixed to the article, and a free portion that is not fixed to the article,said absorption control layer is reduced from a fixed portion side of said absorbent toward a free portion side thereof whenever the body fluid is excreted;

    said absorbent is elongated and includes said fixed portion on one end thereof, andsaid absorption control layer is a cylindrical member including the liquid impermeable range continuous in a circumferential direction and a longitudinal direction, said absorbent being inserted into an inner cavity of said absorption control layer.

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