Urinary collection system and improved female urinary appliance

Details Urinary collection system and improved female urinary appliance Urinary collection system and improved female urinary appliance

1982-11-16

1988-11-15

Rosenbaum, C. Fred

Surgery

Means and methods for collecting body fluids or waste material

Receptacle attached to or inserted within body to receive...

A61F 544

Patent

active

047846542

ABSTRACT:
An improved female urinary appliance is disclosed. The appliance includes a mouth surrounding a urine-receiving cavity, and a drainage channel. The mouth is adapted to be positioned within the labia folds of the user, in contact with the vestibular tissue around the meatus and held in place by gentle vacuum. A valve is preferably used in combination with the appliance, and includes an inlet and an outlet, for maintaining a preselected vacuum condition at the valve inlet and a predetermined pressure condition at the valve outlet is disclosed. In preferred use, the drainage channel is suitable connected in spaced relation to the valve inlet. The valve contains a flow control element adapted to control flow of urine from the cavity. While the mouth is held against the vestibular tissue by gentle vacuum, urine flowing through the appliance and valve entrains gas present in the cavity. In the cavity, a desired vacuum condition is maintained, over time, because the valve includes a semi-permeable membrane adapted to permit air and other gas to diffuse through a portion of the valve and thereby to counteract the effects of entrainment and relieve or maintain the vacuum condition at a predetermined level.

REFERENCES:
patent: 3194238 (1965-07-01), Breece, Jr.
patent: 3335714 (1967-08-01), Giesy
patent: 3529599 (1970-09-01), Folkman
patent: 4160383 (1979-07-01), Rauschenberger
patent: 4202058 (1980-05-01), Anderson
patent: 4270539 (1981-06-01), Frosch (Michard)
Catalog at `Gore-Tex Membrane Products`, W. L. Gore & Assoc., Elkton, Md., 21921, 1980.

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