Disclosed is an expandable transluminal sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion of at least a part of the distal end of the sheath to a second, enlarged cross-sectional configuration. The sheath is configured for use in...http://www.google.ca/patents/US20080215008?utm_source=gb-gplus-sharePatent US20080215008 - EXPANDABLE TRANS-SEPTAL SHEATH
