Patent ID: 8052732
Filing Date: 2011-11-08
Classification: A61F

Abstract:
1. A delivery system comprising: a spindle comprising: a spindle body; and spindle pins extending radially outward from said spindle body; a tip comprising: a sleeve, said spindle pins extending from said spindle body toward said sleeve; a primary sheath abutment surface, said sleeve extending proximally from said primary sheath abutment surface; an endoprosthesis comprising a proximal anchor stent ring comprising: proximal apexes; distal apexes; struts extending between said proximal apexes and said distal apexes; and a pair of anchor pins located on said struts adjacent each of said proximal apexes, said proximal apexes and said anchor pins defining spindle pin catches, said spindle pins extending into said spindle pin catches, said sleeve radially constraining said anchor pins, said anchor pins comprising distal tips uncovered by said sleeve when said proximal anchor stent ring is in a delivery profile to prevent said distal tips from engaging said sleeve; a primary sheath extending distally around said entire sleeve and to said primary sheath abutment surface when said proximal anchor stent ring is in said delivery profile; and a handle comprising a primary sheath actuation member for retracting said primary sheath.