Patent ID: 8632462

Claim:
A universal port for insertion into a colon, said universal port comprising: an expandable portion configured to be selectively expanded from a collapsed insertion state to an expanded state upon the application of a first rotary drive motion thereto, wherein said expandable portion is configured to engage the colon in said expanded state, said expandable portion comprising: a first expandable hub assembly that is configured to move from a collapsed position to an expanded position upon the application of said first rotary drive motion thereto; a second expandable hub assembly operably coupled to said first expandable hub assembly for rotational motion relative thereto, said second expandable hub assembly configured to move from a second collapsed insertion state to a second expanded state upon application of a second rotary drive motion thereto, said second expandable hub assembly operably supporting a plurality of tissue-engaging members configured to move from un-deployed positions to deployed tissue-engaging positions when said second expandable hub assembly is moved from said second collapsed insertion state to said second expanded state; and an expandable outer ring operably supported on said first expandable hub assembly and wherein said universal port further comprises a drive portion configured to engage said expandable portion and apply said first rotary drive motion to said expandable portion.