Patent ID: 8348950
Filing Date: 2013-01-08
Classification: A61B

Abstract:
1. A method of performing a fusion of a sacroiliac joint, the method comprising: forming at least one aperture that at least partially extends through an ilium and a sacrum; inserting an undercutting system comprising an insertion apparatus and a cutting assembly comprising a cutting edge into the aperture; after the step of inserting, extending the cutting assembly from within the insertion apparatus to between a sacrum and an ilium; after the step of extending, cutting tissue between the ilium and the sacrum by engaging the tissue with the cutting edge while rotating the cutting edge relative to the insertion apparatus; after the step of cutting tissue, retracting the cutting assembly from between the sacrum and the ilium to within the insertion apparatus; after the step of retracting the cutting assembly, removing the undercutting system from the aperture; and after the step of removing the undercutting system from the aperture, inserting a fixation device into the aperture, wherein the fixation device engages the ilium and the sacrum to retain the ilium and the sacrum in a stationary position with respect to each other.