Patent ID: 8821527
Filing Date: 2014-09-02
Classification: A61B,A61M

Abstract:
1. A surgical cannula system comprising: a cannula having a proximal end, a distal end, and a lumen extending therebetween; a tissue attachment ring having a lumen extending therethrough, the tissue attachment ring being configured to operably couple to a biological tissue; a locking mechanism operably coupled to at least one of the cannula or the tissue attachment ring, the locking mechanism having a first locking state and a second locking state; and a tip coupled to the distal end of the cannula, wherein the tip includes an outer surface for promoting tissue ingrowth; wherein the cannula is configured to move with respect to the tissue attachment ring when the locking mechanism is in the first locking state and the locking mechanism in the second locking state resists movement of the cannula with respect to the tissue attachment ring.