A one-way valve suitable for implant in the human vascular system is disclosed. The valve is formed by a tube of braided filaments and has an upstream end supported in an open configuration by a radial support. The valve has a downstream portion formed by a plurality of flexible leaflets resiliently...http://www.google.fr/patents/US20020107565?utm_source=gb-gplus-shareBrevet US20020107565 - Endovascular valve
Numéro de demande: 09/733,681 Numéro de publication: US 2002/0107565 A1 Date de dépôt: 1 déc. 2000 Brevet délivré: US6494909 ( Date de délivrance 17 déc. 2002)