A medical device comprising a cell including an ablation element and a carrier configured to receive at least a portion of said ablation element is disclosed. The medical device further comprises a tube enclosing the cell. At least a portion of the tube includes a membrane and the tube includes at least one hole proximate the ablation element for facilitating fluid flow. The medical device further comprises a fluid inlet for providing fluid to the interior of the tube. A method of using the medical device is also disclosed.