A guide wire includes a first wire disposed on the distal side of the guide wire and a second wire disposed on the proximal side from the first wire. The first wire and the second wire are joined to each other by welding. A welded portion formed by welding has a projection projecting in the outer peripheral...http://www.google.fr/patents/US20040039309?utm_source=gb-gplus-shareBrevet US20040039309 - Guide wire
Numéro de demande: 10/635,712 Numéro de publication: US 2004/0039309 A1 Date de dépôt: 7 août 2003 Brevet délivré: US7922673 ( Date de délivrance 12 avr. 2011)