US Patent 8926583 Piercing member protection device

The present invention concerns a male connection part for connection with a female piercing member protection device having a longitudinal cylinder-like body having a longitudinal axis C, a first side and a second side, an outer and an inner surface, a barrier member arranged at the center of the first side of the male connection member, intersecting the longitudinal axis C, and a fluid communication channel extending from the barrier member of the male connection part to the second side of the male connection part, wherein the male connection part further comprises at least one turning grip protrusion to provide for an increased turning friction between the female piercing member protection device after assembly.