A urological guidewire includes a core formed of a first metallic material and extending toward an end of the guidewire. A coil having a plurality of convolutions is disposed around the core at the end of the guidewire, the coil being formed of a second metallic material different than the first metallic...http://www.google.fr/patents/US20020010426?utm_source=gb-gplus-shareBrevet US20020010426 - Guidewire
Numéro de demande: 09/947,071 Numéro de publication: US 2002/0010426 A1 Date de dépôt: 5 sept. 2001 Brevet délivré: US6716183 ( Date de délivrance 6 avr. 2004)