三、导尿管的种类 Urethral catheter types ①直头Straight tip 2 ②弯头Coude tip 3 ③三腔3-way catheter irrigation 3 三、导尿管的种类 Urethral catheter types ①直头 Straight tip ②弯头 Coude tip ③三腔 3-way catheter irrigation