An electroporation device 1 comprising a handle section 100； an elongate introducershaft 10 connected to said handle section 100, said introducer shaft 10 havinga distal tip 13； and a set of electrodes 60 having respective distal ends 61, eachelectrode 60 being slidably arranged within said introducer shaft 10 from a retractedposition, where said distal ends 61 are enclosed within said introducer shaft10, to an exposed position, where said distal ends 61 extend from said distal tip13； wherein said electrode distal ends 61 are deflectable away from a longitudinalaxis L of said shaft 10 when deployed/extended to their extended position, suchthat at least one planar projection taken in a plane perpendicular to said longitudinalaxis L of a distance D1 between a pair of distal ends 61 of said electrodes 60 is largerthan a maximal extent D2 of a cross-section of said introducer shaft 10, said cross-sectiontaken in a plane perpendicular to said longitudinal axis L at a distal end 11 ofsaid introducer shaft 10.
