Patent ID: 8545448
Filing Date: 2013-10-01
Classification: A61B

Abstract:
1. A trocar sleeve ( 1 ) comprising a distal tubular section ( 2 ), a section ( 3 ) which connects to the distal tubular section at a proximal side and which is widened proximally, and at least one spiral ( 8 ) having a circular contour and arranged helically on a periphery of the distal tubular section ( 2 ), the distal tubular section ( 2 ) having a length and a width, the length extending parallel to a longitudinal axis of the distal tubular section ( 2 ) and extending perpendicularly to the width, wherein the distal tubular section ( 2 ) has a polygonal cross section extending perpendicularly to the longitudinal axis of the distal tubular section ( 2 ) and parallel to the width of the distal tubular section ( 2 ), the at least one spiral ( 8 ) extending radially outwardly beyond an outer periphery of the polygonal cross-section of the distal tubular section ( 2 ).