Anti-reflux drain tube and drainage meter combination

Details Anti-reflux drain tube and drainage meter combination Anti-reflux drain tube and drainage meter combination

1984-08-03

1987-01-06

Rosenbaum, C. Fred

Surgery

Truss

Pad

128767, 604323, A61B 500, B65D 8100, A61M 100

Patent

active

046338870

ABSTRACT:
A drain tube for urine is connected at its distal end to a urine meter. The tube has a predetermined point of weakness so that when the meter is lifted to dump the urine therefrom, the tube kinks off at the point of weakness, thereby preventing passage of urine from the meter back up the drain tube during dumping. The point of weakness is formed by simultaneously stretching and heating a section of the tube while the inner diameter of the tube is held constant on a mandrel.

REFERENCES:
patent: Re30607 (1981-05-01), Manschot et al.
patent: 2694379 (1954-11-01), Hein
patent: 4178934 (1979-12-01), Forman
patent: 4301813 (1981-11-01), Merry et al.
patent: 4305404 (1981-12-01), Dunn

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