Patent ID: 8147458

Claim:
A trocar system comprising: a housing comprising a proximal portion and a distal portion; a cap assembly comprising: a cap coupled to the proximal portion of the housing and having an orifice therethrough, a plurality of protectors in a rest state extending proximally away from the orifice and outside of and away from the cap and the housing, and a small-sized seal element coupled to the protectors; a guide assembly disposed at least in part within the housing, distal to the cap assembly, the guide assembly comprising: a tube, and a large-sized seal disposed at a distal portion of the tube, substantially coaxial with the small-sized seal element; and a zero seal element disposed at least in part within the housing, substantially coaxial with the large-sized seal element and the small-sized seal element, the zero seal element comprising a distal end disposed adjacent to the distal portion of the housing, and distal to the small-sized seal element and the large-sized seal element.