Ad
related to: ptca balloon catheter
Search results
Results from the WOW.Com Content Network
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. [1] Balloon catheters are also utilized in the deployment of stents during angioplasty. Balloon catheters are supplied to the cath lab with a stent pre-mounted on the
Balloon angioplasty is the inflation of a balloon (often part of an integrated medical device combining a balloon, guidewire, and stent) within the coronary artery to 'crush' the plaque causing the occlusion into the walls of the artery. Balloon angioplasty is still often performed as a part of PCI procedure, it is rarely the only activity ...
A deflated balloon attached to a catheter (a balloon catheter) is passed over a guide-wire into the narrowed vessel and then inflated to a fixed size. [1] The balloon forces expansion of the blood vessel and the surrounding muscular wall, allowing an improved blood flow. [1]
The most commonly used are 0.014-inch-diameter (0.36 mm) guide wires and the balloon dilation catheters. [citation needed] By injecting radiocontrast agent through a tiny passage extending down the balloon catheter and into the balloon, the balloon is progressively expanded.
In 1977, Andreas Grüntzig introduced percutaneous transluminal coronary angioplasty (PTCA), also called balloon angioplasty, in which a catheter was introduced through a peripheral artery and a balloon expanded to dilate the narrowed segment of the artery. [127]
Cardiac catheterization (heart cath) is the insertion of a catheter into a chamber or vessel of the heart.This is done both for diagnostic and interventional purposes. A common example of cardiac catheterization is coronary catheterization that involves catheterization of the coronary arteries for coronary artery disease and myocardial infarctions ("heart attacks").
A PCI involves performing a coronary angiogram to determine the location of the infarcting vessel, followed by balloon angioplasty (and frequently deployment of an intracoronary stent) of the stenosed arterial segment. In some settings, an extraction catheter may be used to attempt to aspirate (remove) the thrombus prior to balloon angioplasty.
Numerous sequel applications of Fogarty's catheter came about. The first balloon angioplasty, for example, was performed with a Fogarty catheter in 1965, and has led to over six hundred fifty thousand such operations per year. Fogarty has also modified his catheter to less invasive biopsy techniques.
Ad
related to: ptca balloon catheter