Pressure controlled valve apparatus

Details Pressure controlled valve apparatus Pressure controlled valve apparatus

1987-02-11

1988-12-20

Pellegrino, Stephen C.

Surgery

Means and methods for collecting body fluids or waste material

Material collector or receptacle having attaching means to...

128762, A61M 100

Patent

active

047923350

ABSTRACT:
A pressure controlled valve apparatus for use with a catheterized bladder or the like to selectively control fluid flow therefrom comprising a fluid reservoir including a primary fluid reservoir chamber and a secondary fluid reservoir chamber in open fluid communication relative to each other to receive fluid from the catheterized bladder and a fluid flow control including a primary control valve and a secondary control valve each selectively movable between a first and second position, the primary control valve disposed to seal the primary fluid reservoir chamber when in the first position and to unseal the primary fluid reservoir chamber when in the second position in response to a first predetermined pressure to release fluid from the catheterized bladder and the primary fluid reservoir chamber to a fluid collection container and the secondary control valve disposed to seal the secondary fluid reservoir chamber when in the first position and to unseal the secondary fluid reservoir chamber when in the second position in response to a second predetermined pressure to release fluid from the catheterized bladder and the secondary fluid reservoir chamber to a fluid collection container.

REFERENCES:
patent: 2431769 (1947-12-01), Parker
patent: 3626980 (1971-12-01), Svensson
patent: 4265118 (1981-05-01), Griesel
patent: 4559049 (1985-12-01), Haan

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