Patent ID: 8298157
Filing Date: 2012-10-30
Classification: A61B

Abstract:
1. An introducer cannula configured for receiving a medical instrument, comprising: a cannula tube having a side wall, a proximal end, and a distal end, said side wall surrounding a central lumen, said cannula tube having a central longitudinal axis passing through said central lumen and extending between said proximal end and said distal end; an elongate tissue anchor positioned in said central lumen of said cannula tube, said elongate tissue anchor having a mounting end and an anchoring free end, said elongate tissue anchor being movable in said central lumen such that said anchoring free end is movable between a retracted position and a deployed position; and an actuator coupled to said proximal end of said cannula tube, said actuator being coupled to said mounting end of said elongate tissue anchor, said actuator being operatively configured to rotate relative to the cannula tube to selectively position said anchoring free end of said elongate tissue anchor in one of said retracted position and said deployed position.