Results: All observed patients had good voiding without impotence and incontinence, except 1 failure due to exosmosis of urine.

• 结果：钻孔器组全部病例均排尿通畅，仅1例因术后并发尿外渗而致手术失败，均未出现术后阳痿及尿失禁等并发症。