urethral catheter

例句：

1. 1.The patient was given a urethral catheter to relieve his pain.
   患者被给予尿道导管以缓解他的疼痛。
2. 2.Urethral catheters are commonly used in gynecological procedures.
   尿道导管在妇科手术中常用。
3. 3. During the procedure, the doctor inserted a urethral catheter into the patient's urethra.
   在手术过程中，医生将尿道导管插入患者的尿道。