A system for use in flow metering apparatus for detecting bubble formation in both clear and opaque fluids in an administration set includes a light source and a light detector positioned on opposite sides of a transparent tubing segment of the administration set such that light transmitted through the...http://www.google.es/patents/US4367736?utm_source=gb-gplus-sharePatente US4367736 - System for detecting bubble formation in clear and opaque fluids
System for detecting bubble formation in clear and opaque fluids
