Drip chamber

Details Drip chamber Drip chamber

1981-06-01

1983-07-26

Truluck, Dalton L.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604252, 210188, 210927, A61M 516

Patent

active

043952607

ABSTRACT:
An apparatus and method for effectively eliminating the risk of introducing air bubbles into a fluid delivery system such as to administer parenteral fluids to a patient. The apparatus comprises a baffle positioned within a drip chamber for deflecting fluid expelled from a fluid resistor in order to eliminate turbulence and the formation of micro-bubbles during rapid filling or flushing of the fluid delivery system. The drip chamber also comprises a filter membrane positioned across the outlet of the drip chamber. The filter membrane is attached to a filter carrier assembly which enables the filter membrane to be momentarily displaced so that air bubbles trapped beneath the filter membrane may escape.

REFERENCES:
patent: 3030954 (1962-04-01), Thornton
patent: 3311268 (1967-03-01), Fields
patent: 3521635 (1970-07-01), Koehn
patent: 3677242 (1972-07-01), Shaye
patent: 3935111 (1976-01-01), Bentley
patent: 4056100 (1977-11-01), Noiles

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