Vacuum suction type urinating aid

Claim 1

A vacuum suction type urinating aid capable of simultaneous use by plural subjects, said aid comprising: a plurality of urine suction units capable of simultaneous use by different subjects, each said unit including a urine receiver having a urine suction opening adapted to be applied to the urinating region of a particular subject to receive therefrom urine, an air suction opening separate from said urine suction opening, and a urine outlet, a urine tank, and a urine transport tube connected between said urine outlet and said urine tank; a plurality of vacuum suction tubes, each said vacuum suction tube having a first end connected to an upper portion of a respective said urine tank and a second end; each said vacuum suction tube having therein a respective valve movable between a first position blocking the respective said vacuum suction tube and a second position opening said respective vacuum suction tube; means, comprising a single vacuum suction device commonly connected to said second ends of all of said vacuum suction tubes, for, with respect to each said urine suction unit when the respective said valve is in said second position thereof, drawing air into the respective said urine receiver through said air suction hole therein and for drawing air and any urine in said respective urine receiver through the respective said urine outlet and urine transport tube into the respective said urine tank; and each said urine suction unit including control means, connected to the respective said valve and to said single vacuum suction device, for selectively operating said single vacuum suction device and moving said respective valve from said first position thereof to said second position thereof, whereby when each said control means is not operated said respective valve is maintained in said first position thereof and, in the absence of operation of any other of said control means, said single vacuum suction device is stopped.