An expandable tissue supporting device of the present invention employs ductile hinges at selected points in the expandable device. When expansion forces are applied to the device as a whole, the ductile hinges concentrate expansion stresses and strains in small well defined areas. The expandable medical...http://www.google.es/patents/US20080249609?utm_source=gb-gplus-sharePatente US20080249609 - EXPANDABLE MEDICAL DEVICE WITH DUCTILE HINGES
Número de solicitud: 12/139,737 Número de publicación: US 2008/0249609 A1 Fecha de presentación: 16 Jun 2008 Patente emitida: US8052735 ( Fecha de emisión 8 Nov 2011)
