An ablation apparatus for ablating an inner layer in an organ or lumen of a body, or any desired thin layer, includes an expandable member made of a material with a porous exterior surface. An electrolytic solution, housed in an interior of the expandable member, releases electrolytic solution through...http://www.google.fr/patents/US5575788?utm_source=gb-gplus-shareBrevet US5575788 - Thin layer ablation apparatus
