Endoluminal non-contact soft tissue ablation using fiber-based Er:YAG laser delivery

Dennis Kundrat, Alexander Fuchs, Andreas Schoob, Lüder Alexander Kahrs & Tobias Ortmaier
The introduction of Er:YAG lasers for soft and hard tissue ablation has proven promising results over the last decades due to strong absorption at 2.94 μm wavelength by water molecules. An extension to endoluminal applications demands laser delivery without mirror arms due to dimensional constraints. Therefore, fiber-based solutions are advanced to provide exible access while keeping space requirements to a minimum. Conventional fiber-based treatments aim at laser-tissue interactions in contact mode. However, this procedure is...
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