CPC A61B 17/3472 (2013.01) [A61B 17/3423 (2013.01); A61B 17/3496 (2013.01)] | 10 Claims |
1. An access assembly for use with an intraosseous access device, comprising:
a needle including a rounded distal region extending radially inward toward a central axis of the needle to define a beveled distal opening, the needle including a needle lumen;
an obturator initially disposed in the needle lumen, the obturator formed of a flexible material configured to prevent material from entering the needle lumen by conforming to an inner profile of the needle lumen;
a needle hub attached to the needle, the needle hub including an external keyed coupling surface extending circumferentially around the needle hub; and
an obturator hub attached to the obturator, the obturator hub including an internal keyed coupling surface extending circumferentially around a cavity of the obturator hub,
wherein the internal keyed coupling surface is configured to operatively couple with the external keyed coupling surface to define a fixed angular orientation between the needle hub and the obturator hub.
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