Medical liquid dispenser with filter means

Details Medical liquid dispenser with filter means Medical liquid dispenser with filter means

1979-06-21

1981-12-22

Spear, Jr., Frank A.

Liquid purification or separation

Plural distinct separators

Filters

128214R, B01D 2914

Patent

active

043069738

ABSTRACT:
A medical liquid dispensing device such as a medical administering dripset or a syringe having a liquid conducting tube comprising at least one partition element forming in the liquid conducting tube, at least two liquid passageways longitudinally separate from each other across the partition element, and at least one elongated microporous tubular element which extends in part in at least one of the two liquid passageways in the liquid conducting tube from the partition element. The tubular element has at least one longitudinal passageway closed in at least one of the liquid passageways in the liquid conducting tube. Thus, the microporous tubular element serves as a microporous filter medium for collecting on its inner and/or outer peripheral surfaces the solid particles contained in a liquid medicament or transfusion blood passed through the microporous tubular element.

REFERENCES:
patent: 3660281 (1972-05-01), Tober
patent: 3856683 (1974-12-01), Parr

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