A pump especially designed for pumping blood comprises a bladder, the interior surface area and volume of which is changeable, i.e., it stretches and expands during the filling phase, and elastically contracts to its normal relaxed size during the ejection phase. The bladder has a fluid inlet and a fluid...http://www.google.es/patents/US20030032854?utm_source=gb-gplus-sharePatente US20030032854 - Blood pump
Número de solicitud: 09/928,386 Número de publicación: US 2003/0032854 A1 Fecha de presentación: 13 Ago 2001 Patente emitida: US6579223 ( Fecha de emisión 17 Jun 2003)
