A flash chamber having a self-closing valve for use with a catheter is described. The flash chamber, which is connected to the catheter, precludes blood leakage as a needle is removed from the catheter and an IV unit is coupled to the catheter. The flash chamber permits the practitioner to visually verify...http://www.google.es/patents/US6533759?utm_source=gb-gplus-sharePatente US6533759 - Flash chamber with a self closing valve for use with a catheter
Flash chamber with a self closing valve for use with a catheter