Patent ID: 6059761
Filing Date: 2000-05-09
Classification: A61F,A61M

Abstract:
A simple automatic opening and closing type of urination apparatus comprising:a cylinder provided in a front end with an inlet port, on a rear end with a cylinder flange, and in an outer peripheral wall of an intermediate portion with a plurality of outlet ports;a pressure responsive plunger slidably received in said cylinder and provided on a front end with a liquid-sealing portion, on a rear end with a plunger flange, and on an intermediate portion with a plurality of ribs which extend longitudinally and cross each other radially, at least one of said ribs being provided with serrated teeth which are aligned at a given pitch in a longitudinal direction;a resilient member for interconnecting said cylinder flange on the rear end of said cylinder and said plunger flange on the rear end of said plunger to attract said ends to each other;a protective casing secured to the rear end of said cylinder for permitting said pressure responsive plunger to move in an axial direction; anda lock mechanism for engaging with and disengaging from said serrated teeth of said rib of said plunger to retain and release the axial movement of said plunger;whereby the urine in a urinary bladder is discharged from one of said outlet ports in said cylinder into a urine-collecting bag outside of a patient's body when a pressure of urine in the urinary bladder reaches one of predetermined values, each of said outlet ports being set to correspond to each of said predetermined values of said pressure of urine in the urinary bladder communicated with said inlet port of said cylinder.