A tissue cutting device includes a catheter with a window at its distal tip for admitting tissue into a catheter compartment. A cylindrical cartridge in the compartment has a cutting edge that supports an electrically conductive cutting element, e.g. a band or wire. The cutting element and adjacent tissue...http://www.google.es/patents/US7172590?utm_source=gb-gplus-sharePatente US7172590 - Tissue heating device and RF heating method with tissue attachment feature
Tissue heating device and RF heating method with tissue attachment feature