The present provides a removable vessel filter comprising a first and second filtering portion and a first and second anchoring portion, wherein a transverse dimension of the first filtering portion in an expanded configuration is less than a transverse dimension of the first anchoring portion in an...http://www.google.fr/patents/US20020193827?utm_source=gb-gplus-shareBrevet US20020193827 - Removable vein filter
Numéro de demande: 09/911,097 Numéro de publication: US 2002/0193827 A1 Date de dépôt: 23 juil. 2001 Brevet délivré: US6783538 ( Date de délivrance 31 août 2004)
