Wound retractor including rigid ring

摘要

A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity adapts to tissue tracts of different widths. The surgical instrument includes a proximal member, a distal member, and a sleeve extending between the proximal member and the distal member and defining a longitudinal passage therein. The proximal member includes an inflatable member that selectively adjusts the radial dimension of the proximal member. A ring member may be separately insertable by a user during a surgical procedure into the space directly adjacent to the radially-inner surface of the inflatable member, so as to selectively provide rigidity to the proximal member.

主权项

1. A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity, the surgical apparatus comprising:
a proximal member including an inflatable member, the inflatable member adjustable to a plurality of radial dimensions; a distal member axially aligned with respect to the proximal member; a flexible sleeve extending between the proximal and distal members and defining a passage for reception of an object; and a ring member that is separately insertable by a user during a surgical procedure such that the inflatable member circumferentially surrounds the ring member, so as to selectively provide rigidity to the proximal member.