#$%^&*AU2013201004A120130314.pdf#####TROCAR ASSEMBLY WITH OBTURATOR DESIGN ABSTRACT An obturator (100) for use in penetrating tissue, which comprises an elongate member (104) defining a longitudinal axis ("k"), and having a proximal end and a distal end and a penetrating member (124) adjacent the distal end of the elongate member (104) and having a distal penetrating tip (130) dimensioned to pass through tissue, the penetrating member (124) defining an external wall leading toward the penetrating tip (130), the external wall including first and second continuous raised elements (136) arranged in diametrical opposed relation, each raised element (136) having a length ("b") relative to the longitudinal axis ("k") substantially greater than a width ("m") relative to a transverse axis ("j") transverse to the longitudinal axis ("k").
