is a selective, hydrophilic catheter designed for optimal entry into celiac trunk. Whereas endothelial cell sampling through endovascular sampling with coils, stents, stent retrievers, or guidewires suffer from poor selectivity and a low or highly variable cell yield, a micro-3D-printed device adapted for endovascular techniques can harvest endothelial cells for transcriptomic analysis.

Balloon catheters

There are also balloon catheters used in angioplasty

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