What is the technique of mechanically widening a narrowed or obstructed blood vessel whereby tightly folded balloons are passed into the narrowed locations and then inflated to a fixed size using water pressures some 75 to 500 times normal blood pressure (6 to 20 atmospheres)?
Result - Angioplasty
What is a localised, blood-filled dilation of a blood vessel caused by disease or weakening of the vessel wall, which most commonly occurs in arteries at the base of the brain and in the aorta?
What can be inserted to provide for delivery or drawing off liquid into or from a blood vessel, or inserting a surgical instrument?
