An indwelling catheter has a hollow catheter body, a catheter tube fitted to a front end of the catheter body, an elastic valve fitted inside the catheter body, and a hollow plug slidably fitted inside the catheter body. The catheter tube, the elastic valve, and the plug are aligned in this order. A...http://www.google.es/patents/US20020128604?utm_source=gb-gplus-sharePatente US20020128604 - Indwelling catheter
Número de solicitud: 10/094,662 Número de publicación: US 2002/0128604 A1 Fecha de presentación: 12 Mar 2002 Patente emitida: US7008404 ( Fecha de emisión 7 Mar 2006)