Patent ID: 9486149
Filing Date: 2016-11-08
CPC Classification: A61B,A61F

Claim Text:
1. A dilation introducer for orthopedic surgery comprising: a first dilator tube comprising a conductive portion configured to carry electric current therethrough, the first dilator tube having a distal portion and a proximal portion, the outer surface of the first dilator tube having a first outer radius centered around a first longitudinal axis, and a first longitudinal lumen having a first inner radius, and a second dilator tube having a distal portion and a proximal portion, the outer surface of the second dilator tube having a second outer radius centered around a second longitudinal axis, a second longitudinal lumen having a second inner radius centered around the first longitudinal axis, the second longitudinal lumen enclosed within the outer surface of the second dilator tube such that the second dilator tube is configured to simultaneously dilate tissue on all sides of the first dilator tube, the distal portion of the second dilator tube having a generally semi-annular cross-section, the second longitudinal lumen configured for removably receiving the first dilator tube for slidable movement within the second lumen, wherein the first longitudinal axis is parallel to and laterally offset from the second longitudinal axis.