A trocar assembly for providing a pressurized insufflation fluid into a patient cavity and for providing sealable access to the patient cavity by a surgical instrument. The assembly comprises an inner tubular member having a proximal end and a distal end. An outer tubular member is disposed about the...http://www.google.es/patents/US20040204671?utm_source=gb-gplus-sharePatente US20040204671 - Continuous gas flow trocar assembly
Número de solicitud: 10/441,149 Número de publicación: US 2004/0204671 A1 Fecha de presentación: 17 May 2003 Patente emitida: US7182752 ( Fecha de emisión 27 Feb 2007)
