Patent ID: 9492062
Filing Date: 2016-11-15
CPC Classification: A61B,A61M

Claim Text:
1. A surgical access device comprising an insufflation obturator comprising: an elongate body having a longitudinal axis, a proximal end, a distal end and a body lumen extending from the proximal end of the elongate body to the distal end of the elongate body; a handle connected to the proximal end of the elongate body; a bladeless, tapered tip at the distal end of the elongate body and having a tip cavity, the tip cavity being interconnected with the body lumen; the tip having an inner surface and an outer surface defining a tip wall; the tip including an insufflation vent hole extending across the tip wall through the outer surface and the inner surface and into the tip cavity interconnecting the tip cavity with outside of the tip; the tip including an aperture extending across the tip wall through the outer surface and the inner surface and into the tip cavity interconnecting the tip cavity with outside of the tip; the aperture being coaxial with the longitudinal axis; an insufflation gas pathway defined from the proximal end of the elongate body and out through the vent hole for the delivery of insufflation gas; and a micro-seal located inside the aperture and adjacent to the vent hole such that the micro-seal is partially resident inside the tip cavity and partially resident outside the obturator and configured such that the entire micro-seal is movable with respect to the tip between a first position sealing the vent hole and a second position permitting insufflation gas to flow out through the vent hole.