A lead extraction device synchronized to the cardiac cycle which utilizes laser light to separate an implanted object, such as a pacemaker lead, from fibrous scar tissue and thereby permit the implanted object to be extracted from a body. The extraction device features a catheter having a central...http://www.google.es/patents/US5674217?utm_source=gb-gplus-sharePatente US5674217 - Heart synchronized extractor for an implanted object
Heart synchronized extractor for an implanted object