Patent ID: 9668721
Date: 2017-06-06
CPC Classifications: A61B

Claim:
1. A wound retractor for accessing a body cavity, the wound retractor comprising: a proximal ring configured for disposition outside of the body cavity including an inflatable member that is adjustable to a plurality of radial dimensions; a distal ring configured for disposition inside the body cavity; a flexible sleeve extending between the proximal and distal rings and defining a passage for reception of an object, the proximal ring configured to adjust a radial dimension of the flexible sleeve to retract tissue; a rigid ring member that is separately insertable by a user during a surgical procedure into a space directly adjacent to an inner circumferential surface of the proximal ring, the rigid ring member having an outer circumferentially recessed portion configured to receive at least a portion of the proximal ring, the rigid ring member selectively providing rigidity to the proximal ring.