#$%^&*AU2017251835A120171116.pdf#####H: kmh Interwoven NRPortbl DCC KMH I592559_i.doex-27/0/2017 ABSTRACT One embodiment is directed to a geometric adaptor apparatus for assisting with translumenal vascular access, comprising a dilator adaptor member having proximal and distal ends and defining a dilator adaptor lumen therethrough, wherein the dilator adaptor lumen is defined by an inner diameter profile sized to accommodate insertion of one or more portions of a guidewire, and wherein the dilator adaptor is further defined by an outer diameter profile sized to accommodate at least partial insertion of the proximal end of the dilator adaptor into a dilator member lumen formed through a dilator member, the dilator member being coupleable to an introducer catheter member through an introducer member lumen formed through the introducer member. Fig. 1B2115 NN C N N ) ~ 'N N NN 'K N N N N N N N ~ N N ~ NX V Vt. N N N N N N N N N /~'
