| CPC A61B 18/1492 (2013.01) [A61B 1/015 (2013.01); A61B 1/04 (2013.01); A61B 2017/00336 (2013.01); A61B 2018/00577 (2013.01); A61B 2218/007 (2013.01)] | 20 Claims |

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1. An ablation device comprising:
a body having a lumen for receiving a distal end of an endoscope;
a cover portion extending from a side of the body, the cover portion defining a recess between the cover portion and the body;
an electrode platform having a treatment surface with at least one electrode positioned thereon, the electrode platform movable between a covered position, where the at least one electrode is covered by the cover portion, and an exposed position, where the at least one electrode is at least partially exposed beyond the cover portion; and,
at least one vacuum port formed in the electrode platform, wherein the at least one vacuum port is arranged about a periphery of the at least one electrode;
wherein the at least one electrode and the at least one vacuum port are positioned on the treatment surface of the electrode platform.
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