Patent ID: 8523895
Filing Date: 2013-09-03
Classification: A61B

Abstract:
1. A surgical obturator comprising: a first shaft portion extending along a longitudinal axis of a shaft and having a first shield at said first shaft portion's distal end; a second shaft portion juxtaposed with said first shaft portion and having a second shield at said second shaft portion's distal end, wherein inner surfaces of said first shaft portion and said second shaft portion include opposing planar surfaces along their lengths that slide against one another along their longitudinal axis; a blade juxtaposed between said first shield and said second shield having a piercing tip portion and a lateral cutting edge portion, wherein said piercing tip portion forms a single vertex at its distal end, and wherein said blade is configured with a groove in which said first shield is juxtaposed and wherein said second shield is configured with a groove in which said blade is juxtaposed; a first biasing element for biasing said first shield to its distalmost position, thereby covering said piercing tip portion; and a second biasing element for biasing said second shield into its distalmost position, thereby covering said lateral cutting edge portion.