Medtronic has the potential to be a trend setter with its attempt to have drug eluting stents (DES) treat erectile dysfunction (ED). The device maker recently moved one step closer in this effort as it reported that it had completed its ZEN (Zotarolimus-Eluting Peripheral Stent System for the Treatment of Erectile Dysfunction in Males with Sub-Optimal Response to PDE5 Inhibitors), feasibility study. The device, which hasn't been named yet, will be inserted into the pelvic area of the body. More specifically the stent is delivered using a catheter threaded up to the pelvis, where the pudendal artery is located. It...