A method for closing an opening in a wall of a body lumen using a clip can include advancing a distal end of an elongate member within the body lumen, the elongate member having a distal portion that assists in presenting the wall for receiving a clip having a plurality of tissue engaging portions having...http://www.google.co.uk/patents/US20070282352?utm_source=gb-gplus-sharePatent US20070282352 - Closure device and methods for making and using them
