A vessel filter comprising first and second filtering portions and first and second anchoring portions. A transverse dimension of the first filtering portion in an expanded configuration is less than a transverse dimension of the anchoring portion in an expanded configuration, and a transverse dimension...http://www.google.es/patents/US20020193825?utm_source=gb-gplus-sharePatente US20020193825 - Multiple access vein filter
Número de solicitud: 09/883,818 Número de publicación: US 2002/0193825 A1 Fecha de presentación: 18 Jun 2001 Patente emitida: US6793665 ( Fecha de emisión 21 Sep 2004)
