应当冲洗导管检查是否通畅，并检查导丝与穿刺针是否配套。

The catheter should be flushed, and compatibility between the guide wire and the needle should be confirmed.

youdao

应当冲洗导管检查是否通畅，并检查导丝与穿刺针是否配套。

The catheter should be flushed, and compatibility between the guide wire and the needle should be confirmed.

youdao