An instrument access device comprises at least a first instrument seal 71 to effect a seal around a first instrument extended through the device and a second instrument seal 72 to effect a seal around a second instrument extended through the device. The instrument seals 71, 72 are configured to be arranged...http://www.google.fr/patents/US20090036745?utm_source=gb-gplus-shareBrevet US20090036745 - INSTRUMENT ACCESS DEVICE
Numéro de demande: 12/133,827 Numéro de publication: US 2009/0036745 A1 Date de dépôt: 5 juin 2008 Brevet délivré: US8187178 ( Date de délivrance 29 mai 2012)
