When a patient is having a coronary artery block one method of relieving the block is by using a cardiac stent. Cardiac stent is a device which looks like a rolled tube made out of a metal net.
The stent is inserted via the femoral artery or via an artery in the arm via a catheter and it is guided to the place where the block is by looking at a dynamic angiogram.
Then this stent is inflated by a balloon inside the stent and the balloon is deflated again and taken back with the catheter while the stent is kept in the place where the blockage is, so that its not going to get occluded again. The stent provides a support to the damaged artery.
There are drug elluting stents which ellute a drug when the stent is placed so that atheroma plaque won't get deposited at the site of the stent again.
The price of the stent varies with the features it has.
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