Patent ID: 8657843
Filing Date: 2014-02-25
Classification: A61B

Abstract:
1. An obturator comprising: a handle having a switch movable from a first, locked position to a second, unlocked position, the switch having a first section and a second section; and a shaft connected to the handle and having a longitudinal axis, the shaft having a movable portion and a fixed portion with a blade connected to the fixed portion of the shaft; wherein the first and second section are rotatable with respect to the handle about a second longitudinal axis offset from and parallel to the longitudinal axis of the shaft and the switch in the first position having the first section of the switch obstructing the movable portion of the shaft to prevent movement of the movable portion of the shaft along the longitudinal axis and in the second position having the second section of the switch obstructing the movable portion of the shaft and allowing movement of the movable portion of the shaft along the longitudinal axis; and wherein the first section is a first arm coupled to a user accessible tab and the second section is a good arm smaller than the first arm.