A needless valve is described which avoids the suctioning problems of the prior needleless devices upon deactivation and which preferably provides a positive self-purging effect. The valve is self-purging at the end of an administration cycle, avoiding clogging of attached catheters or other devices,...http://www.google.fr/patents/US20030183795?utm_source=gb-gplus-shareBrevet US20030183795 - Needleless valve
Numéro de demande: 10/397,606 Numéro de publication: US 2003/0183795 A1 Date de dépôt: 26 mars 2003 Brevet délivré: US6840501 ( Date de délivrance 11 janv. 2005)
