Patent ID: 8910501
Filing Date: 2014-12-16
Classification: A61B,B21C,B21F

Abstract:
1. A winding mandrel for forming at least a portion of a vasoocclusive coil, comprising: first and second spherical main bodies each having a plurality of flat sides, each of said first and second spherical main bodies having a plurality of cylindrical posts disposed on the first and second spherical main bodies, the plurality of cylindrical posts disposed on the first main body being aligned with orthogonal x and y axes through the first main body, and the plurality of cylindrical posts disposed on the second main body being aligned with orthogonal x and y axes through the second main body, wherein said first and second spherical main bodies are configured to be angularly offset with respect to each other; a central transition post extending between and connecting said first and second main bodies: at least one central cylindrical winding post connected to and extending perpendicularly from said central transition post; a front end cylindrical post disposed on one of said first and second spherical main bodies; and a back end cylindrical post disposed on the other of said first and second spherical main bodies.