人类阴茎勃起的机理迄今没有完全清楚。最近,有人发表了一种阳萎的治疗方法,即把药物直接注入到阴茎海绵体内致阴茎勃起,使性交成为可能。Virag 报告,在一次由于血管障碍行阳萎手术中,在阴茎海绵体内注入盐酸婴粟硷,阴茎完全勃起持续2小时。试用于临床有器质性病变阳萎患者也收到良好效果。这是由于盐酸婴粟硷的血管扩张作用、平滑肌松弛作用而发生的阴茎勃起。同时,Brindley以肾上腺素阻断剂作用于血管平滑肌显示血管扩张作用,认为是血液潴留于阴茎而勃起的。他给自己的静脉内注射肾上腺素阻断剂,接着试注于阴茎海绵体内,证明阴茎发生勃起。使用的药剂为酚妥拉明,而且用长效的苯氧胺。把这些α-阻滞剂在临床应用于阳萎患者,收到良 The mechanism of human penile erection has not been fully understood so far. Recently, an impotence treatment has been published that injects drugs directly into the penis and causes penile erection, making sexual intercourse possible. Virag reports that in a single episode of impotence due to vascular implants, penicillin hydrochloride was injected into the penis and the penis was fully erected for two hours. Trial for patients with clinical impotence disease also received good results. This is due to the vasodilatation of the baby’s base of hydrochloric acid, the erection of the penis where the smooth muscle relaxes. At the same time, Brindley uses an epinephrine blocker to act on vascular smooth muscle to show vasodilation, which is thought to be blood retention in the penis and erection. He gave his own intravenous injection of adrenergic blockers, and then test injection in the penis, to prove that the penile erection. The agent used is phentolamine, but with long-acting amoxicillin. The α-blockers in clinical application to impotence patients, received good