Abstract: The invention provides a novel prostate dilation catheter, which comprises a main tube, wherein a urinary catheterization cavity, an internal capsule cavity, an external capsule cavity and a flushing cavity are provided inside the main tube, a composite bar-like high pressure water capsule is arranged in front portions of an outlet of the urinary catheterization cavity and an outlet of the flushing cavity, the composite bar-like high pressure water capsule comprises an internal capsule and an external capsule, the internal capsule is arranged inside the outer capsule and at a front end of the outer capsule, and the front ends of the internal capsule cavity and the external capsule cavity are formed with openings which are located inside the internal capsule and the external capsule respectively.

Abstract: The present invention provides compositions and methods of use for treatment of erectile dysfunction associated with neuropathy related to diabetes, prostatectomy, cysto-prostatectomy, radical cystectomy, abdominoperineal resection of the rectum, cryoablation or radiation therapy.

Abstract: The present invention provides compositions and methods for promoting the recovery of vascular function in erectile dysfunction associated with vasculopathy by administering a composition comprising a vasoactive prostaglandin and a biocompatible polymer. In preferred embodiments, the prostaglandin composition is a topical composition comprising prostaglandin E1, a biocompatible polymer and a penetration enhancer and the topical composition is applied to the meatus at the tip of the penis. In another embodiment, the invention provides a method for increasing microvascular outgrowth at a targeted arterial segment comprising administering a prostaglandin E1 composition to produce an extracellular prostaglandin E1 concentration of about 1 micromolar to about 10 micromolar adjacent to the targeted arterial segment for about four days.