A surgical portal apparatus for permitting introduction of a surgical object within tissue includes a portal member defining a longitudinal axis and having leading and trailing ends. The portal member includes an outer wall defining a longitudinal opening dimensioned for reception of a surgical object....http://www.google.es/patents/US20060212061?utm_source=gb-gplus-sharePatente US20060212061 - Surgical portal with enhanced retention capabilities
Surgical portal with enhanced retention capabilities
Número de solicitud: 11/081,183 Número de publicación: US 2006/0212061 A1 Fecha de presentación: 16 Mar 2005 Patente emitida: US8062305 ( Fecha de emisión 22 Nov 2011)
