A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/06 (2006.01) A61B 17/34 (2006.01) A61M 5/158 (2006.01) A61B 10/00 (2006.01) A61B 17/00 (2006.01) A61M 5/32 (2006.01)
Patent
CA 2513692
An introducer needle for an infusion set or the like includes a solid tip portion with a plurality of intersecting wedge surfaces that converge toward a common insertion point. Preferably, the common insertion point is coincident with a central axis of the introducer needle. The tip portion also includes a plurality of cutting edges formed at intersections of the wedge surfaces. The cutting edges converge toward the common insertion point so that insertion of the introducer needle into the membrane causes even cutting and separation of the membrane around the introducer needle.
La présente invention a trait à une aiguille de ponction-introduction pour un ensemble de perfusion ou analogue comportant une portion de pointe pleine avec une pluralité de surfaces taillantes convergeant vers un point d'insertion commun. De préférence le point d'insertion commun coïncide avec un axe central de l'aiguille de ponction-introduction. La portion de pointe comporte également une pluralité d'arêtes coupantes formées aux intersections des surfaces taillantes. Les arêtes coupantes convergent vers le point d'insertion commun de sorte que l'insertion de l'aiguille de ponction-introduction dans la membrane entraîne la coupe et la séparation de la membrane autour de l'aiguille de ponction-introduction
Animas Corporation
Blake Cassels & Graydon Llp
LandOfFree
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