Patent ID: 7390320

Claim:
An automatic urine disposal device comprising: a top sheet made of a breathable and liquid permeable non-woven cloth, wherein said top sheet has a mesh structure at a surface thereof to which the wearer's skin comes in contact; a urine absorbent sheet made of polymeric material; a hydrophilic sheet disposed between said top sheet and said urine absorbent sheet, said hydrophilic sheet comprising a non-woven cloth made of polypropylene, polyethylene or rayon fibers or made of compound fibers of a composite of two or more fibers selected from the group consisting of polypropylene, polyethylene and rayon fibers; an outer sheet formed with a thin sheet made of one liquid-impermeable material selected from the group consisting of a non-woven cloth and a film, wherein said outer sheet is given a water-repellent surface treatment on its inner surface and wherein said outer sheet has said urine absorbent sheet being adhered thereon; gathers slanted inwardly provided on said outer sheet along its contours in longitudinal direction and width direction; a urine drainage tube made of soft and flexible material for directing urine in said urine absorbent sheet to a sealed urine tank through a urine drainage port to which a one-touch joint made of soft material is connected; a urine sensor for detecting urine discharge in said top sheet; and a vacuum pump to lower the pressure inside said urine tank; and said hydrophilic shoot, and a control device operably connected to said urine sensor for starting said vacuum pump on urine discharge in said top sheet according to a signal from said urine sensor and for stopping said vacuum pump on ending of urination.