An introducer member (1300) comprising: a body having a proximal portion (1302) and a distal portion (1304), the proximal portion including an outer layer (1306) and an inner layer (1308) which collectively define a cavity (1310), the proximal portion defining a hollow (1312) which is configured to receive a portion of an end effector (20), the body defining a passage (1314) which is in fluid communication with the cavity, and a port (1316) supported on the body, the port being configured to facilitate inflation of the cavity.
