Urinary collection device

Details Urinary collection device Urinary collection device

1993-05-28

1995-04-25

Kruter, Jerome L.

Surgery

Means and methods for collecting body fluids or waste material

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

128761, A61F 544

Patent

active

054094739

ABSTRACT:
An inexpensive, disposable device for collecting a mid-stream urine specimen from a female donor which device can be used by the donor herself without professional help. The device comprises a container having two chambers, one for collecting and discarding the initial, unwanted portion of the urine flow and the other chamber for collecting and retaining the later, cleaner, portion of the urine flow. A pivoted "paddle" valve comprising two conjoined paddles is disposed between the chambers and--controlled by the flow of urine, itself--directs the first, contaminated, portion of the urine to the discard chamber and directs the remainder of the flow to the specimen chamber. Initially, one of the paddles covers and seals the specimen chamber to prevent urine from entering that chamber. The other paddle is suspended over the opening of the discard chamber. As the flow of urine begins, the paddle suspended over the discard chamber in the path of the flow of urine is pushed downward by the force of the leading flow of urine. The downward motion of the discard paddle causes the valve to turn like a paddle wheel. As the valve rotates, the paddle initially disposed over and covering the specimen chamber opens that chamber and continues rotating until it intersects and is stopped by the wall of the discard chamber. Thus, the paddle which initially closed the specimen chamber turns and closes the opening to the discard chamber and at the same time redirects the flow of urine into the specimen chamber. In short, the initial flow of urine striking the paddle over the discard chamber is collected in the discard chamber. At the same time this initial flow turns the valve, opening the specimen chamber and closing the discard chamber thereby directing the subsequent cleaner urine flow to the specimen chamber.

REFERENCES:
patent: 3499327 (1970-03-01), Lane, Jr.
patent: 3625654 (1971-12-01), Van Duyne
patent: 4492258 (1985-01-01), Lichenstein et al.
patent: 4569090 (1986-02-01), Muller
patent: 4696067 (1987-09-01), Woodward
patent: 4852560 (1989-08-01), Hermann

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