first, second and third lumens formed within the catheter
body, each of the first, second and third lumens extending from
respective ports formed adjacent the proximal end and toward the
distal end, the first and the second lumens terminating in ports
at the distal tip; and
an electrosurgical tissue cutting instrument disposed in the
third lumen for selectively cutting tissue, the tissue cutting
instrument forming a papillotome/sphincterotome.
118. Catheter assembly for advancement and manipulation
through an endoscope into a body passage comprising;
(a) an elongate catheter body having first, second and third
lumens formed within said catheter body, said first lumen
configured for receiving a guide wire and said second lumen
configured for injecting contrast agent, said first and second
lumens terminating in ports at the distal end of said catheter
body; and
(b) an electrosurgical tissue cutting instrument disposed in
said third lumen.
125. Catheter assembly for advancement and manipulation
through an endoscope into a body passage comprising:
(a) an elongate catheter body having first, second and third
lumens formed within said catheter body, said first and second
lumens terminating in ports at the distal end of said catheter
body; and
(b) an electrosurgical tissue cutting instrument disposed in
said third lumen.
8. The claims of the parties are:
Rowland: 90-125
Weaver '681: 1-23
Weaver '028: 1-17
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