Instrumentation for facilitating cutting an opening in a side wall of a body conduit in a patient. A tubular structure defines a lumen and has a sharpened distal end portion configured to cut a section of the body conduit to create the opening. A tissue holding structure is provided which is axially...http://www.google.ca/patents/US20020082614?utm_source=gb-gplus-sharePatent US20020082614 - Medical grafting apparatus and methods
