Drip chamber
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United States of America Patent
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-
Jul 26, 1983
Grant Date -
N/A
app pub date -
Jun 1, 1981
filing date -
Jun 1, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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