Filter arrangement denying bacteria entry to peritoneum

Details Filter arrangement denying bacteria entry to peritoneum Filter arrangement denying bacteria entry to peritoneum

1979-12-10

1982-01-19

Spear, Jr., Frank A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

128213A, 210651, A61M 500, B01D 3100

Patent

active

043115870

ABSTRACT:
A filter connection for peritoneal dialysis is presented including, in a flow line from a source of fresh dialysate solution carried on the patient's body, and under pressure, through a bacteria filter of sub-micron porosity for removing microorganisms generally greater than about 0.2 microns (nominal size) together with tubular connections leading from the filter toward a catheter inserted in the patient's peritoneum including in order from the filter, a first check valve permitting flow only away from the filter, then an outflow port with check valve permitting used dialysis flow only away from the patient, and finally the connection to the catheter tube.

REFERENCES:
patent: 3545438 (1970-12-01), DeVries
patent: 3825493 (1974-07-01), Brown et al.
patent: 3864259 (1975-02-01), Newhart
patent: 4021353 (1977-05-01), Raines et al.
Stephen et al., "Recirculating Peritoneal Dialysis with Subcutaneous Catheter," from TASIAO, vol. XXIII, 1976, pp. 575-579.

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