Patent ID: 8231579
Filing Date: 2012-07-31
Classification: A61B,A61M

Abstract:
1. A cannula sealing apparatus comprising seal members each having a different sized aperture with which, in use, surgical instruments of different sizes may be inserted in a first direction to seal with a selected seal member, at least one of the seal members being pivotable from an operative position in which a surgical instrument in use is inserted in the first direction to seal with that member and an inoperative position, the pivot axis of the pivotal movement of the seal member being in a second direction, transverse to the first direction, the apparatus further including an opening in a housing of the apparatus through which, in use, a surgical instrument is arranged to be inserted in the first direction with the seal effected by the seal members being arranged to be in the region of that opening wherein the pivotal axis of the seal member is spaced from the opening in the housing in a direction extending in the first direction.