Patent ID: 7276064

Claim:
A device for the diagnosis or treatment of tissue in a body cavity, the device comprising a side-port sheath comprising a tip, wherein said tip further comprises a tip sidewall; an elongate tip side-port opening that extends through said tip sidewall from a proximal opening edge to a distal opening edge; an internal, gliding surface that extends from a leading edge to a trailing edge, wherein said trailing edge of said gliding surface is adjacent to said distal edge of said side-port opening; and an electrophysiology catheter comprising a catheter sheath and a catheter electrode; wherein said catheter sheath comprises a distal end, and said catheter electrode is a wet-brush electrode comprising a plurality of filaments extending from said distal end of said catheter sheath and wherein interstitial gaps are defined among said plurality of filaments and adapted to channel fluid through said plurality of filaments.