Patent ID: 8956284
Filing Date: 2015-02-17
Classification: A61B

Abstract:
1. A minimally invasive retractor assembly, comprising: at least one retractor including a pair of retractor blades; a posted screw defining a longitudinal axis, the screw including a post, a collar, a transition member interposed between the collar and the post, and a shank extending distally from the collar, the transition member tapered along the longitudinal axis, the shank insertable into bone, the transition member and the pair of retractor blades including complementary members that are engageable with one another to releasably secure the pair of retractor blades to the transition member, the posted screw defining a longitudinal channel extending through the shank; and a pin configured and dimensioned to be received within the longitudinal channel, wherein the complementary members of the posted screw and the pair of retractor blades are operatively associated with the longitudinal channel, whereby the pin inserted through the shank of the posted screw releasably secures the pair of retractor blades to the screw, the pair of retractor blades radially translatable relative to the longitudinal axis of the screw.