A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 10/00 (2006.01) A61B 17/34 (2006.01)
Patent
CA 2184904
An improved, cone shaped puncturing/cutting tip (25) is provided for the inner cannula (12) or stylet of a biopsy needle. The cone shaped tip is defined by a frontal vertex co-incident with the center of the cannula or the stylet and a circular base (36) of diameter about equal that of the cannula or stylet. The surface of the cone shaped tip end includes at least three circumferentially spaced, longitudinally extending cutting vane edges (40) extending from the vertex to the base.
La présente invention concerne une pointe tranchante/perforante conique améliorée (25) prévue pour la canule interne (12) ou le stylet d'une aiguille de biopsie. La pointe conique est définie, d'une part, par un sommet frontal dans l'axe central de la canule ou du stylet, et d'autre part, par une base circulaire (36) d'un diamètre presque égal à celui de la canule ou du stylet. La surface de la pointe conique comporte au moins trois lignes dorsales coupantes (40) réparties sur la circonférence, et s'étendant longitudinalement depuis le sommet jusqu'à la base.
Gowling Lafleur Henderson Llp
Haaga John R.
LandOfFree
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