Patent ID: 11857173
Assignee: ZIMMER BIOMET SPINE, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A surgical retractor comprising:
a retractor body including a medial longitudinal axis;
a first armature including a first gear and a second armature including a second gear, each armature pivotably connected to the retractor body;
a retractor blade affixed to a distal portion of the first armature;
a central drive located internal to the retractor body and engageable with both the first gear and the second gear;
an actuator coupled to the central drive, the actuator operable to operate the central drive to concurrently pivot the first armature and the second armature;
a shim couplable to a distal portion of the retractor blade, wherein the shim includes a pair of tabs extending respectively from a pair of arms of the shim, and wherein the retractor blade includes a plurality of pairs of grooves configured to receive the pair of tabs such that the pair of tabs can lockingly engage each pair of grooves; and
a fastener supported by the shim and configured to anchor the shim and the retractor blade to a vertebral body.