Medical drainage bag and non-return valve assembly

Details Medical drainage bag and non-return valve assembly Medical drainage bag and non-return valve assembly

1982-09-30

1985-08-06

Pellegrino, Stephen C.

Surgery

Means and methods for collecting body fluids or waste material

Material collector or receptacle having attaching means to...

383 44, 604335, A61M 100

Patent

active

045333548

ABSTRACT:
A drainage bag employs a non-return valve assembly including at least one baffle positioned between the top and bottom of the bag. Each baffle extends completely across the interior of the bag and includes an upper portion which is continuously attached to one face of the bag and a lower portion which is attached to an opposite face of the bag at spaced intervals so as to form at least one opening adapted to permit liquid to flow readily from the top of the bag to the bottom of the bag while inhibiting liquid from flowing from the bottom of the bag to the top of the bag.

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patent: 4319573 (1982-03-01), Whitlock

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