A needle comprising: (a) a walled lumen having: (i) a proximate end； (ii) a distal end； and (iii) a plurality of zones located between the proximal end and the distal end, the plurality of zones comprising: (1) a first zone with a first stiffness value； (2) a second zone connected to the first zone, the second zone having a second stiffness value； (3) a third zone connected to the second zone, the third zone having a third stiffness value； and (4) a fourth zone connected to the third zone, the fourth zone having a fourth stiffness value； wherein some of the plurality of zones include one or more cut patterns in the walled lumen.
