What is balloon catheter?

Balloon Catheter

A balloon catheter is a type of "soft" catheter with an inflatable "balloon" at its tip which is used during a catheterization procedure to enlarge a narrow opening or passage within the body. The deflated balloon catheter is positioned, then inflated to perform the necessary procedure, and deflated again in order to be removed.

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Some articles on balloon catheter:

Cardiac Input - Measuring Cardiac Output - Pulmonary Artery Thermodilution (Trans-right-heart Thermodilution)
... The pulmonary artery catheter (PAC), also known as the Swan-Ganz catheter, was introduced to clinical practice in 1970 and provides direct access to the right heart for thermodilution measurements ... The PAC is balloon tipped and is inflated, which helps "sail" the catheter balloon through the right ventricle to occlude a smaller branch of the pulmonary artery system ... The balloon is deflated ...
Angioplasty Balloon Catheters
... Balloon catheters used in angioplasty are either of Over-the-Wire(OTW) or Rapid Exchange(Rx) design ... When a balloon catheter is used to compress plaque within a clogged coronary artery it is referred to as a plain old balloon angioplasty or POBA ... Balloon catheters are also utilized in the deployment of stents during angioplasty ...
Coronary Stent - Placement
... of the blockage ("lesion") by injecting a contrast medium through the guide catheter and viewing the flow of blood through the downstream coronary arteries ... with the stent in its collapsed form attached onto the outside of a balloon catheter ... by threading the lesion with an ordinary balloon catheter and expanding it to the vessel's original diameter ...

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