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Nd:YAG lasers designed to deliver their energy into the vessels to eliminate areas of narrowing (i.e., angioplasty). These lasers consist of an Nd:YAG laser generator and a delivery system including optical fibers and a catheter. Usually, ablation is performed by direct laser ablation; but some devices ablate the thrombotic tissue thermically by heating a metal cap enclosing the distal tip of a vascular catheter. Angioplasty Nd:YAG lasers are mostly used in peripheral vessel treatments.
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