A disposable cuvette through which to pass pulsatile flowing blood. The cuvette has a conduit with two opposed walls having a predetermined separation therebetween that varies with each pulse of the flowing blood. A sealed air pocket damps the variation of the predetermined separation. The conduit is...http://www.google.ca/patents/US5456253?utm_source=gb-gplus-sharePatent US5456253 - Disposable extracorporeal conduit for blood constituent monitoring
