Inventors:
Oscar R. Polo - Portland OR, US
International Classification:
A61B 17/3205
Abstract:
Tissue severing devices and methods as provided in embodiments herein are operable to be inserted through small surgical openings and advanced to tissue to be severed. The tissue severing device comprises a tube member, an inner member, and a cutting element including a cutting element proximal end and a cutting element distal end, the cutting element distal end extending from the inner member distal end, the tube member distal end being operable to move distally over the inner member distal end with the tube lumen operable to receive the cutting element distal end therein, the tube member distal end being operable to move in a proximal direction to expose the cutting element distal end.