Disclosed is an adjustable occlusion device for use in a body lumen such as the left atrial appendage. The occlusion device is removably carried by a deployment catheter. The device may be enlarged or reduced to facilitate optimal placement or removal. Methods are also disclosed. ...http://www.google.com/patents/US20030212432?utm_source=gb-gplus-sharePatent US20030212432 - Method of removing an implanted device
