A method for treating a sphincter provides a polymer material having a liquid state. The method also provides a catheter having a distal end, a tissue piercing device carried by the distal end, and an energy delivery device coupled to the tissue piercing device. The tissue piercing device has a lumen....http://www.google.es/patents/US20050159743?utm_source=gb-gplus-sharePatente US20050159743 - Method for treating a sphincter
Número de solicitud: 11/079,697 Número de publicación: US 2005/0159743 A1 Fecha de presentación: 14 Mar 2005 Patente emitida: US7449020 ( Fecha de emisión 11 Nov 2008)