We're not going to be able to get a vein and put a little catheter in, as you could do in a pet or a human patient.

我们不能像对待宠物或人类病人那样，在静脉插入小导管。

And what doctors do is they insert a small tube called a catheter usually in a blood vessel in the groin and thread it up into the kidney in this case.

将小导管插入腹股沟处的一根血管，后将导管插至肾脏。

The main treatment method involves doctors putting small catheters inside the heart to identify and burn misfiring tissue, which can block bad signals.

主要的治疗方法在心脏内放置小导管，以识别和烧毁失活组织，这可以阻止不良信号。

With TIPS, a tube is inserted via a catheter to allow communication between the portal vein and hepatic vein.

使用TIPS时，可通过小导管插入大导管，以实现门静脉和肝静脉之间的连通。

Now, since the gland is still functional, they have to put a small catheter inside it.

现在，由于腺体仍有功能，他们需要往里面插入一根小导管。