Patent ID: 8764648

Claim:
A trocar unit comprising: a flexible lateral wall defining a cavity and a longitudinal axis, a distal portion of which forms a surgical site, the cavity having a proximal end and an open distal end; a flexible first plate configured to connect to a proximal portion of the flexible lateral wall; the flexible first plate surrounded by the flexible lateral wall, the flexible first plate extending generally transversely to the longitudinal axis; a plurality of independent portals extending through at least said flexible first plate, at least one of said independent portals extending through at least said flexible first plate in a direction transverse to said flexible first plate, said portals being configured and dimensioned for simultaneous accommodation of surgical instrumentation, the flexible first plate further including a rigid section attached around the periphery of the flexible first plate, said flexible first plate spaced from the open distal end of the cavity and being positioned above an opening at the surgical site; a second plate configured to fit securely within a portion of the flexible lateral wall and disposed distally with respect to the flexible first plate; and a second rigid section attached around the periphery of the second plate.