Patent ID: 7582093
Filing Date: 2009-09-01
Classification: A61B,B25B

Abstract:
1. A screw extraction/insertion device comprising: a shaft sleeve having a proximal portion and a distal portion longitudinally interposed by an intermediate portion, the distal portion adapted for engaging a screw, wherein the proximal, intermediate, and distal portions are aligned with a longitudinal axis of the shaft sleeve; and a shoulder that extends radially inward from the distal portion towards the longitudinal axis; wherein the proximal portion comprises a surface that has at least two longitudinal edges, wherein the distal portion comprises a surface that has at least two longitudinal edges, wherein said surface of the proximal portion is angularly displaced about the longitudinal axis with respect to said surface of the distal portion, and wherein the intermediate portion comprises a surface that connects the proximal portion to the distal portion.