Assembly for filtering amniotic fluid

Details Assembly for filtering amniotic fluid Assembly for filtering amniotic fluid

1990-01-22

1991-05-14

Jones, W. Gary

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

2104161, 210418, 210435, 210446, 210448, 604 27, 604 31, B01D 3502

Patent

active

050153692

ABSTRACT:
An assembly for the removal and examination of amnioytes in early pregnancy by filtering the amniotic fluid and returning the fluid to the fetus subsequent to filtering wherein a conduit structure has a filter incorporated therein and is constructed to include two different paths of fluid flow, one for drawing off said amniotic fluid through the filter means and one for returning the amniotic fluid subsequent to filtering along a path which bypasses said filter structure.

REFERENCES:
patent: 3520416 (1970-07-01), Keedwell
patent: 3892226 (1975-07-01), Rosen
patent: 4100923 (1978-07-01), Southern
patent: 4170056 (1979-10-01), Meyst et al.
patent: 4229306 (1980-10-01), Hein et al.
patent: 4310017 (1982-01-01), Raines
patent: 4447226 (1984-05-01), Mayoral
patent: 4685472 (1987-08-01), Muto
patent: 4817599 (1989-04-01), Drews
patent: 4820261 (1989-04-01), Schmoll et al.
patent: 4957629 (1990-09-01), Smith et al.

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