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Trans-rectum universal ports

  • US 8,632,462 B2
  • Filed: 07/13/2011
  • Issued: 01/21/2014
  • Est. Priority Date: 03/14/2011
  • Status: Active Grant
First Claim
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1. 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.

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