What is balloon?

Balloon are:

• - 1. A spherical, inflatable, nonporous sac, such as the one near the tip of a Foley catheter
• - 2. To distend an organ or vessel with gas or fluid
• - 3. To expand a cavity with air to facilitate its examination.

intra-aortic b. A balloon that is placed within the descending aorta and inflated intermittently in a pulsating fashion; upon activation during diastole, its pulsation increases blood pressure and organ perfusion; then, on deflation, it decreases cardiac work with each systole by decreasing afterload.