A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/01 (2006.01) A61B 5/00 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2467502
Alternative designs, materials and manufacturing methods for medical devices such as guidewires. Some embodiments are directed to a guidewire (10), including a core wire (12) having a proximal portion (18) and a distal portion (20), and an elongated distal assembly (22) defining an inner lumen (24), the elongated distal assembly (22) connected to the core wire (12) adjacent the distal portion (20) of the core wire (12), wherein the elongated distal assembly (22) includes a plurality of separate and discrete interlocking segments (32). Some other embodiments are directed to a guidewire (410) including a tubular segment (422) connected to the distal portion (2) of the corewire (12), wherein the tubular segment (422) includes a plurality of notches (444) therein to increase the lateral flexibility of the segment (422) while maintaining rotational torqueability.
L'invention concerne des modèles, des matériaux et des procédés de fabrication différents destinés à des dispositifs médicaux, tels que des fils guides. Certains modes de réalisation ont trait à un fil guide (10) comprenant une tige d'armature (12) ayant une portion proximale (18) et une portion distale (20), et un ensemble distal allongé (22) formant une lumière interne (24). Cet ensemble distal allongé (22) est relié à la tige d'armature (12) adjacente à la portion distale (20) de la tige d'armature (12), l'ensemble distal allongé (22) comprenant une pluralité de segments articulés discrets et séparés (32). D'autres modes de réalisation ont pour objet un fil guide (410) comportant un segment tubulaire (422) lié à la portion distale (20) de la tige d'armature (12), ledit segment tubulaire (422) comprenant une pluralité d'encoches (444) de manière à augmenter la flexibilité latérale du segment (422), tandis qu'est maintenue la capacité rotative du couple.
Boston Scientific Limited
Cassan Maclean
LandOfFree
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