Or a doctor might use a special tube called a catheter and give the medicine directly into the blood clot.
To insert the stent, the doctor uses another tube called a catheter.
A thin, lighted tube called an arthroscope is placed inside a small cut made near the joint.
He or she uses a thin, flexible tube called a colonoscope to look at the colon.
Usually a small, metal mesh tube called a stent is placed at the same time.
A tube called a "spear" extends from the opening to the other end.
Or the doctor uses a tube called a graft to connect the artery and a vein.
A small tube called a stent often is placed in the artery to hold it open.
The doctor places a thin tube called a catheter into the vein through a small cut in the skin.
You have two small passage from your throat called the Eustachian tubes, one leading into each middle ear.