Patent ID: RE44667

Claim:
A catheter for use in a system for monitoring mucosal damage in hollow viscous organs, said catheter comprising: a. a length of tubing suitable for insertion into hollow viscous organs; b. a plurality of electrodes disposed proximate a distal end of the tubing; and c. a plurality of electrical leads respectively electrically connected to the plurality of electrodes and extending through the tubing to a proximal end thereof; wherein: d. the electrodes each comprise: a cylindrical central portion having an annular side wall and a diameter generally equal to an outer diameter of the tubing; first and second cylindrical extensions attached to a top and a bottom of the cylindrical central portion, respectively, and coaxial therewith, said first and second cylindrical extensions having a diameter smaller than the diameter of the cylindrical central portion; and an axial bore extending through the cylindrical central portion and first and second cylindrical extensions; and e. the electrodes are spaced apart from one another by annular spacers positioned over the cylindrical extensions and abutting the cylindrical central portions.