| 摘要 |
SURGICAL HAND ACCESS APPARATUS A surgical access apparatus (10), which comprises: a housing member (16) 5 defining a housing axis and a passageway (28) therethrough, the housing (16) dimensioned for passage through tissue; and a seal member (20) mounted across the passageway (28), the seal member (20) having proximal and distal end faces and defining seal passage (42) for permitting passage of a surgical object in substantial sealed reception therewith, the seal member (20) including at least one expansible segment, the io expansible segment including a protruding rib (40) extending in a proximal direction from the proximal end face and a corresponding recess defined within the distal end face and aligned with the protruding rib (40), the expansible segment arranged to extend radially generally toward and away from the housing axis, and being dimensioned and adapted to facilitate radial movement of the seal passage (42) during manipulation of the object is within the seal member (20). |
