Distal protection guidewire with nitinol core

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/01 (2006.01) A61F 2/01 (2006.01)

Patent

CA 2509676

A guidewire (10) having a proximal section (12), a distal section (14), and a transition section (16) is disclosed. The proximal section may be formed of a relatively stiff, inelastic material, whereas the distal section may be formed of a relatively flexible, elastic material having superelastic properties. A coupling member may be placed adajcent to the transition section to secure the proximal and distal sections together. An intravascular device such as an embolic protechon filter (46) is placed on the guidewire.

L'invention concerne un fil guide comprenant une partie proximale, une partie distale et une partie de transition. Par exemple, dans un mode de réalisation de la présente invention, la partie proximale peut être constituée d'un matériau inélastique relativement rigide, la partie distale pouvant être constituée d'un matériau élastique relativement souple présentant des propriétés superélastiques. Un élément de couplage peut être placé au voisinage de la partie de transition de manière à fixer ensemble les parties proximale et distale.

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