Surgery – Means and methods for collecting body fluids or waste material – Material collector or receptacle having attaching means to...
Patent
1983-12-30
1986-08-05
Rosenbaum, C. Fred
Surgery
Means and methods for collecting body fluids or waste material
Material collector or receptacle having attaching means to...
604335, 604350, A61M 100
Patent
active
046040951
ABSTRACT:
Return valve for a bag (1) for collecting liquid excretions from a human body, which valve comprises a valve flap (9,10) made of flexible film and placed between a reservoir portion (8) of the bag and a portion having a coupling to be connected with corresponding fastening means placed around an opening in the body. In order to ensure an extreme security against leakage through the return valve, the return valve further comprises a second valve flap (13, 14) arranged downstream of the first valve in the direction of the flow of the liquid secretions, which second valve flap comprises a film portion passing the opening (at 11) of the first valve, and together with the valve flap of the first valve forming a passage to the region between the first and second valves.
REFERENCES:
patent: 2796864 (1957-06-01), Johnson
patent: 3430842 (1969-03-01), Yamaguchi
patent: 3822720 (1974-07-01), Souza
patent: 3901265 (1975-08-01), Groombridge
patent: 4084590 (1978-04-01), Caraway
patent: 4533354 (1985-08-01), Jensen
Coloplast A/S
Kruter J. L.
Rosenbaum C. Fred
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